diff options
47 files changed, 17925 insertions, 45 deletions
@@ -856,12 +856,18 @@ MKIMAGEFLAGS_u-boot.img = -A $(ARCH) -T firmware -C none -O u-boot \ MKIMAGEFLAGS_u-boot.kwb = -n $(srctree)/$(CONFIG_SYS_KWD_CONFIG:"%"=%) \ -T kwbimage -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) +MKIMAGEFLAGS_u-boot-spl.kwb = -n $(srctree)/$(CONFIG_SYS_KWD_CONFIG:"%"=%) \ + -T kwbimage -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) + MKIMAGEFLAGS_u-boot.pbl = -n $(srctree)/$(CONFIG_SYS_FSL_PBL_RCW:"%"=%) \ -R $(srctree)/$(CONFIG_SYS_FSL_PBL_PBI:"%"=%) -T pblimage u-boot.img u-boot.kwb u-boot.pbl: u-boot.bin FORCE $(call if_changed,mkimage) +u-boot-spl.kwb: u-boot.img spl/u-boot-spl.bin FORCE + $(call if_changed,mkimage) + MKIMAGEFLAGS_u-boot-dtb.img = $(MKIMAGEFLAGS_u-boot.img) u-boot-dtb.img: u-boot-dtb.bin FORCE diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 986b4c5..47806f8 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -236,10 +236,12 @@ config KIRKWOOD config TARGET_DB_MV784MP_GP bool "Support db-mv784mp-gp" select CPU_V7 + select SUPPORT_SPL config TARGET_MAXBCM bool "Support maxbcm" select CPU_V7 + select SUPPORT_SPL config TARGET_DEVKIT3250 bool "Support devkit3250" diff --git a/arch/arm/cpu/armv7/armada-xp/Makefile b/arch/arm/cpu/armv7/armada-xp/Makefile index 885dcee..737159b 100644 --- a/arch/arm/cpu/armv7/armada-xp/Makefile +++ b/arch/arm/cpu/armv7/armada-xp/Makefile @@ -5,3 +5,5 @@ # obj-y = cpu.o +obj-$(CONFIG_SPL_BUILD) += spl.o +obj-$(CONFIG_SPL_BUILD) += lowlevel_spl.o diff --git a/arch/arm/cpu/armv7/armada-xp/lowlevel_spl.S b/arch/arm/cpu/armv7/armada-xp/lowlevel_spl.S new file mode 100644 index 0000000..1febd7b --- /dev/null +++ b/arch/arm/cpu/armv7/armada-xp/lowlevel_spl.S @@ -0,0 +1,62 @@ +/* + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <config.h> +#include <version.h> +#include <linux/linkage.h> + +ENTRY(save_boot_params) + bx lr +ENDPROC(save_boot_params) + +/* + * cache_inv - invalidate Cache line + * r0 - dest + */ + .global cache_inv + .type cache_inv, %function + cache_inv: + + stmfd sp!, {r1-r12} + + mcr p15, 0, r0, c7, c6, 1 + + ldmfd sp!, {r1-r12} + bx lr + + +/* + * flush_l1_v6 - l1 cache clean invalidate + * r0 - dest + */ + .global flush_l1_v6 + .type flush_l1_v6, %function + flush_l1_v6: + + stmfd sp!, {r1-r12} + + mcr p15, 0, r0, c7, c10, 5 /* @ data memory barrier */ + mcr p15, 0, r0, c7, c14, 1 /* @ clean & invalidate D line */ + mcr p15, 0, r0, c7, c10, 4 /* @ data sync barrier */ + + ldmfd sp!, {r1-r12} + bx lr + + +/* + * flush_l1_v7 - l1 cache clean invalidate + * r0 - dest + */ + .global flush_l1_v7 + .type flush_l1_v7, %function + flush_l1_v7: + + stmfd sp!, {r1-r12} + + dmb /* @data memory barrier */ + mcr p15, 0, r0, c7, c14, 1 /* @ clean & invalidate D line */ + dsb /* @data sync barrier */ + + ldmfd sp!, {r1-r12} + bx lr diff --git a/arch/arm/cpu/armv7/armada-xp/spl.c b/arch/arm/cpu/armv7/armada-xp/spl.c new file mode 100644 index 0000000..402e520 --- /dev/null +++ b/arch/arm/cpu/armv7/armada-xp/spl.c @@ -0,0 +1,38 @@ +/* + * Copyright (C) 2014 Stefan Roese <sr@denx.de> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <spl.h> +#include <asm/io.h> +#include <asm/arch/cpu.h> +#include <asm/arch/soc.h> + +DECLARE_GLOBAL_DATA_PTR; + +u32 spl_boot_device(void) +{ + /* Right now only booting via SPI NOR flash is supported */ + return BOOT_DEVICE_SPI; +} + +void board_init_f(ulong dummy) +{ + /* Set global data pointer */ + gd = &gdata; + + /* Linux expects the internal registers to be at 0xf1000000 */ + arch_cpu_init(); + + preloader_console_init(); + + /* First init the serdes PHY's */ + serdes_phy_config(); + + /* Setup DDR */ + ddr3_init(); + + board_init_r(NULL, 0); +} diff --git a/arch/arm/include/asm/arch-armada-xp/config.h b/arch/arm/include/asm/arch-armada-xp/config.h index 00ee775..f9fd424 100644 --- a/arch/arm/include/asm/arch-armada-xp/config.h +++ b/arch/arm/include/asm/arch-armada-xp/config.h @@ -31,7 +31,11 @@ #endif /* CONFIG_SYS_KWD_CONFIG */ /* Add target to build it automatically upon "make" */ +#ifdef CONFIG_SPL +#define CONFIG_BUILD_TARGET "u-boot-spl.kwb" +#else #define CONFIG_BUILD_TARGET "u-boot.kwb" +#endif /* end of 16M scrubbed by training in bootrom */ #define CONFIG_SYS_INIT_SP_ADDR 0x00FF0000 diff --git a/arch/arm/include/asm/arch-armada-xp/cpu.h b/arch/arm/include/asm/arch-armada-xp/cpu.h index 6b60c21..4f5ff96 100644 --- a/arch/arm/include/asm/arch-armada-xp/cpu.h +++ b/arch/arm/include/asm/arch-armada-xp/cpu.h @@ -96,6 +96,9 @@ struct kwgpio_registers { u32 irq_level; }; +/* Needed for dynamic (board-specific) mbus configuration */ +extern struct mvebu_mbus_state mbus_state; + /* * functions */ @@ -103,5 +106,18 @@ unsigned int mvebu_sdram_bar(enum memory_bank bank); unsigned int mvebu_sdram_bs(enum memory_bank bank); void mvebu_sdram_size_adjust(enum memory_bank bank); int mvebu_mbus_probe(struct mbus_win windows[], int count); + +/* + * Highspeed SERDES PHY config init, ported from bin_hdr + * to mainline U-Boot + */ +int serdes_phy_config(void); + +/* + * DDR3 init / training code ported from Marvell bin_hdr. Now + * available in mainline U-Boot in: + * drivers/ddr/mvebu/ + */ +int ddr3_init(void); #endif /* __ASSEMBLY__ */ #endif /* _ARMADA_XP_CPU_H */ diff --git a/arch/arm/mvebu-common/Makefile b/arch/arm/mvebu-common/Makefile index 9dcab69..de243fe 100644 --- a/arch/arm/mvebu-common/Makefile +++ b/arch/arm/mvebu-common/Makefile @@ -10,3 +10,5 @@ obj-y = dram.o obj-y += gpio.o obj-$(CONFIG_ARMADA_XP) += mbus.o obj-y += timer.o + +obj-y += serdes/ diff --git a/arch/arm/mvebu-common/serdes/Makefile b/arch/arm/mvebu-common/serdes/Makefile new file mode 100644 index 0000000..a380fee --- /dev/null +++ b/arch/arm/mvebu-common/serdes/Makefile @@ -0,0 +1,6 @@ +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-$(CONFIG_SPL_BUILD) = high_speed_env_lib.o +obj-$(CONFIG_SPL_BUILD) += high_speed_env_spec.o diff --git a/arch/arm/mvebu-common/serdes/board_env_spec.h b/arch/arm/mvebu-common/serdes/board_env_spec.h new file mode 100644 index 0000000..36e0ed8 --- /dev/null +++ b/arch/arm/mvebu-common/serdes/board_env_spec.h @@ -0,0 +1,262 @@ +/* + * Copyright (C) Marvell International Ltd. and its affiliates + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#ifndef __BOARD_ENV_SPEC +#define __BOARD_ENV_SPEC + +/* Board specific configuration */ + +/* KW40 */ +#define MV_6710_DEV_ID 0x6710 + +#define MV_6710_Z1_REV 0x0 +#define MV_6710_Z1_ID ((MV_6710_DEV_ID << 16) | MV_6710_Z1_REV) +#define MV_6710_Z1_NAME "MV6710 Z1" + +/* Armada XP Family */ +#define MV_78130_DEV_ID 0x7813 +#define MV_78160_DEV_ID 0x7816 +#define MV_78230_DEV_ID 0x7823 +#define MV_78260_DEV_ID 0x7826 +#define MV_78460_DEV_ID 0x7846 +#define MV_78000_DEV_ID 0x7888 + +#define MV_FPGA_DEV_ID 0x2107 + +#define MV_78XX0_Z1_REV 0x0 + +/* boards ID numbers */ +#define BOARD_ID_BASE 0x0 + +/* New board ID numbers */ +#define DB_88F78XX0_BP_ID (BOARD_ID_BASE) +#define RD_78460_SERVER_ID (DB_88F78XX0_BP_ID + 1) +#define DB_78X60_PCAC_ID (RD_78460_SERVER_ID + 1) +#define FPGA_88F78XX0_ID (DB_78X60_PCAC_ID + 1) +#define DB_88F78XX0_BP_REV2_ID (FPGA_88F78XX0_ID + 1) +#define RD_78460_NAS_ID (DB_88F78XX0_BP_REV2_ID + 1) +#define DB_78X60_AMC_ID (RD_78460_NAS_ID + 1) +#define DB_78X60_PCAC_REV2_ID (DB_78X60_AMC_ID + 1) +#define RD_78460_SERVER_REV2_ID (DB_78X60_PCAC_REV2_ID + 1) +#define DB_784MP_GP_ID (RD_78460_SERVER_REV2_ID + 1) +#define RD_78460_CUSTOMER_ID (DB_784MP_GP_ID + 1) +#define MV_MAX_BOARD_ID (RD_78460_CUSTOMER_ID + 1) +#define INVALID_BAORD_ID 0xFFFFFFFF + +/* Sample at Reset */ +#define MPP_SAMPLE_AT_RESET(id) (0x18230 + (id * 4)) + +/* BIOS Modes related defines */ + +#define SAR0_BOOTWIDTH_OFFSET 3 +#define SAR0_BOOTWIDTH_MASK (0x3 << SAR0_BOOTWIDTH_OFFSET) +#define SAR0_BOOTSRC_OFFSET 5 +#define SAR0_BOOTSRC_MASK (0xF << SAR0_BOOTSRC_OFFSET) + +#define SAR0_L2_SIZE_OFFSET 19 +#define SAR0_L2_SIZE_MASK (0x3 << SAR0_L2_SIZE_OFFSET) +#define SAR0_CPU_FREQ_OFFSET 21 +#define SAR0_CPU_FREQ_MASK (0x7 << SAR0_CPU_FREQ_OFFSET) +#define SAR0_FABRIC_FREQ_OFFSET 24 +#define SAR0_FABRIC_FREQ_MASK (0xF << SAR0_FABRIC_FREQ_OFFSET) +#define SAR0_CPU0CORE_OFFSET 31 +#define SAR0_CPU0CORE_MASK (0x1 << SAR0_CPU0CORE_OFFSET) +#define SAR1_CPU0CORE_OFFSET 0 +#define SAR1_CPU0CORE_MASK (0x1 << SAR1_CPU0CORE_OFFSET) + +#define PEX_CLK_100MHZ_OFFSET 2 +#define PEX_CLK_100MHZ_MASK (0x1 << PEX_CLK_100MHZ_OFFSET) + +#define SAR1_FABRIC_MODE_OFFSET 19 +#define SAR1_FABRIC_MODE_MASK (0x1 << SAR1_FABRIC_MODE_OFFSET) +#define SAR1_CPU_MODE_OFFSET 20 +#define SAR1_CPU_MODE_MASK (0x1 << SAR1_CPU_MODE_OFFSET) + +#define SAR_CPU_FAB_GET(cpu, fab) (((cpu & 0x7) << 21) | ((fab & 0xF) << 24)) + + +#define CORE_AVS_CONTROL_0REG 0x18300 +#define CORE_AVS_CONTROL_2REG 0x18308 +#define CPU_AVS_CONTROL2_REG 0x20868 +#define CPU_AVS_CONTROL0_REG 0x20860 +#define GENERAL_PURPOSE_RESERVED0_REG 0x182E0 + +#define MSAR_TCLK_OFFS 28 +#define MSAR_TCLK_MASK (0x1 << MSAR_TCLK_OFFS) + + +/* Controler environment registers offsets */ +#define GEN_PURP_RES_1_REG 0x182F4 +#define GEN_PURP_RES_2_REG 0x182F8 + +/* registers offsets */ +#define MV_GPP_REGS_OFFSET(unit) (0x18100 + ((unit) * 0x40)) +#define MPP_CONTROL_REG(id) (0x18000 + (id * 4)) +#define MV_GPP_REGS_BASE(unit) (MV_GPP_REGS_OFFSET(unit)) +#define MV_GPP_REGS_BASE_0 (MV_GPP_REGS_OFFSET_0) + +#define GPP_DATA_OUT_REG(grp) (MV_GPP_REGS_BASE(grp) + 0x00) +#define GPP_DATA_OUT_REG_0 (MV_GPP_REGS_BASE_0 + 0x00) /* Used in .S files */ +#define GPP_DATA_OUT_EN_REG(grp) (MV_GPP_REGS_BASE(grp) + 0x04) +#define GPP_BLINK_EN_REG(grp) (MV_GPP_REGS_BASE(grp) + 0x08) +#define GPP_DATA_IN_POL_REG(grp) (MV_GPP_REGS_BASE(grp) + 0x0C) +#define GPP_DATA_IN_REG(grp) (MV_GPP_REGS_BASE(grp) + 0x10) +#define GPP_INT_CAUSE_REG(grp) (MV_GPP_REGS_BASE(grp) + 0x14) +#define GPP_INT_MASK_REG(grp) (MV_GPP_REGS_BASE(grp) + 0x18) +#define GPP_INT_LVL_REG(grp) (MV_GPP_REGS_BASE(grp) + 0x1C) +#define GPP_OUT_SET_REG(grp) (0x18130 + ((grp) * 0x40)) +#define GPP_64_66_DATA_OUT_SET_REG 0x181A4 +#define GPP_OUT_CLEAR_REG(grp) (0x18134 + ((grp) * 0x40)) +#define GPP_64_66_DATA_OUT_CLEAR_REG 0x181B0 +#define GPP_FUNC_SELECT_REG (MV_GPP_REGS_BASE(0) + 0x40) + +#define MV_GPP66 (1 << 2) + +/* Relevant for MV78XX0 */ +#define GPP_DATA_OUT_SET_REG (MV_GPP_REGS_BASE(0) + 0x20) +#define GPP_DATA_OUT_CLEAR_REG (MV_GPP_REGS_BASE(0) + 0x24) + +/* This define describes the maximum number of supported PEX Interfaces */ +#define MV_PEX_MAX_IF 10 +#define MV_PEX_MAX_UNIT 4 + +#define MV_SERDES_NUM_TO_PEX_NUM(num) ((num < 8) ? (num) : (8 + (num / 12))) + +#define PEX_PHY_ACCESS_REG(unit) (0x40000 + ((unit) % 2 * 0x40000) + \ + ((unit)/2 * 0x2000) + 0x1B00) + +#define SATA_BASE_REG(port) (0xA2000 + (port)*0x2000) + +#define SATA_PWR_PLL_CTRL_REG(port) (SATA_BASE_REG(port) + 0x804) +#define SATA_DIG_LP_ENA_REG(port) (SATA_BASE_REG(port) + 0x88C) +#define SATA_REF_CLK_SEL_REG(port) (SATA_BASE_REG(port) + 0x918) +#define SATA_COMPHY_CTRL_REG(port) (SATA_BASE_REG(port) + 0x920) +#define SATA_LP_PHY_EXT_CTRL_REG(port) (SATA_BASE_REG(port) + 0x058) +#define SATA_LP_PHY_EXT_STAT_REG(port) (SATA_BASE_REG(port) + 0x05C) +#define SATA_IMP_TX_SSC_CTRL_REG(port) (SATA_BASE_REG(port) + 0x810) +#define SATA_GEN_1_SET_0_REG(port) (SATA_BASE_REG(port) + 0x834) +#define SATA_GEN_1_SET_1_REG(port) (SATA_BASE_REG(port) + 0x838) +#define SATA_GEN_2_SET_0_REG(port) (SATA_BASE_REG(port) + 0x83C) +#define SATA_GEN_2_SET_1_REG(port) (SATA_BASE_REG(port) + 0x840) + +#define MV_ETH_BASE_ADDR (0x72000) +#define MV_ETH_REGS_OFFSET(port) (MV_ETH_BASE_ADDR - ((port) / 2) * \ + 0x40000 + ((port) % 2) * 0x4000) +#define MV_ETH_REGS_BASE(port) MV_ETH_REGS_OFFSET(port) + + +#define SGMII_PWR_PLL_CTRL_REG(port) (MV_ETH_REGS_BASE(port) + 0xE04) +#define SGMII_DIG_LP_ENA_REG(port) (MV_ETH_REGS_BASE(port) + 0xE8C) +#define SGMII_REF_CLK_SEL_REG(port) (MV_ETH_REGS_BASE(port) + 0xF18) +#define SGMII_SERDES_CFG_REG(port) (MV_ETH_REGS_BASE(port) + 0x4A0) +#define SGMII_SERDES_STAT_REG(port) (MV_ETH_REGS_BASE(port) + 0x4A4) +#define SGMII_COMPHY_CTRL_REG(port) (MV_ETH_REGS_BASE(port) + 0xF20) +#define QSGMII_GEN_1_SETTING_REG(port) (MV_ETH_REGS_BASE(port) + 0xE38) +#define QSGMII_SERDES_CFG_REG(port) (MV_ETH_REGS_BASE(port) + 0x4a0) + +#define SERDES_LINE_MUX_REG_0_7 0x18270 +#define SERDES_LINE_MUX_REG_8_15 0x18274 +#define QSGMII_CONTROL_1_REG 0x18404 + +/* SOC_CTRL_REG fields */ +#define SCR_PEX_ENA_OFFS(pex) ((pex) & 0x3) +#define SCR_PEX_ENA_MASK(pex) (1 << pex) + +#define PCIE0_QUADX1_EN (1<<7) +#define PCIE1_QUADX1_EN (1<<8) + +#define SCR_PEX_4BY1_OFFS(pex) ((pex) + 7) +#define SCR_PEX_4BY1_MASK(pex) (1 << SCR_PEX_4BY1_OFFS(pex)) + +#define PCIE1_CLK_OUT_EN_OFF 5 +#define PCIE1_CLK_OUT_EN_MASK (1 << PCIE1_CLK_OUT_EN_OFF) + +#define PCIE0_CLK_OUT_EN_OFF 4 +#define PCIE0_CLK_OUT_EN_MASK (1 << PCIE0_CLK_OUT_EN_OFF) + +#define SCR_PEX0_4BY1_OFFS 7 +#define SCR_PEX0_4BY1_MASK (1 << SCR_PEX0_4BY1_OFFS) + +#define SCR_PEX1_4BY1_OFFS 8 +#define SCR_PEX1_4BY1_MASK (1 << SCR_PEX1_4BY1_OFFS) + + +#define MV_MISC_REGS_OFFSET (0x18200) +#define MV_MISC_REGS_BASE (MV_MISC_REGS_OFFSET) +#define SOC_CTRL_REG (MV_MISC_REGS_BASE + 0x4) + +/* + * PCI Express Control and Status Registers + */ +#define MAX_PEX_DEVICES 32 +#define MAX_PEX_FUNCS 8 +#define MAX_PEX_BUSSES 256 + +#define PXSR_PEX_BUS_NUM_OFFS 8 /* Bus Number Indication */ +#define PXSR_PEX_BUS_NUM_MASK (0xff << PXSR_PEX_BUS_NUM_OFFS) + +#define PXSR_PEX_DEV_NUM_OFFS 16 /* Device Number Indication */ +#define PXSR_PEX_DEV_NUM_MASK (0x1f << PXSR_PEX_DEV_NUM_OFFS) + +#define PXSR_DL_DOWN 0x1 /* DL_Down indication. */ +#define PXCAR_CONFIG_EN (1 << 31) +#define PEX_STATUS_AND_COMMAND 0x004 +#define PXSAC_MABORT (1 << 29) /* Recieved Master Abort */ + +/* PCI Express Configuration Address Register */ + +/* PEX_CFG_ADDR_REG (PXCAR) */ +#define PXCAR_REG_NUM_OFFS 2 +#define PXCAR_REG_NUM_MAX 0x3F +#define PXCAR_REG_NUM_MASK (PXCAR_REG_NUM_MAX << PXCAR_REG_NUM_OFFS) +#define PXCAR_FUNC_NUM_OFFS 8 +#define PXCAR_FUNC_NUM_MAX 0x7 +#define PXCAR_FUNC_NUM_MASK (PXCAR_FUNC_NUM_MAX << PXCAR_FUNC_NUM_OFFS) +#define PXCAR_DEVICE_NUM_OFFS 11 +#define PXCAR_DEVICE_NUM_MAX 0x1F +#define PXCAR_DEVICE_NUM_MASK (PXCAR_DEVICE_NUM_MAX << PXCAR_DEVICE_NUM_OFFS) +#define PXCAR_BUS_NUM_OFFS 16 +#define PXCAR_BUS_NUM_MAX 0xFF +#define PXCAR_BUS_NUM_MASK (PXCAR_BUS_NUM_MAX << PXCAR_BUS_NUM_OFFS) +#define PXCAR_EXT_REG_NUM_OFFS 24 +#define PXCAR_EXT_REG_NUM_MAX 0xF + +#define PXCAR_REAL_EXT_REG_NUM_OFFS 8 +#define PXCAR_REAL_EXT_REG_NUM_MASK (0xF << PXCAR_REAL_EXT_REG_NUM_OFFS) + + +#define PEX_CAPABILITIES_REG(if) ((MV_PEX_IF_REGS_BASE(if)) + 0x60) +#define PEX_LINK_CAPABILITIES_REG(if) ((MV_PEX_IF_REGS_BASE(if)) + 0x6C) +#define PEX_LINK_CTRL_STATUS_REG(if) ((MV_PEX_IF_REGS_BASE(if)) + 0x70) +#define PEX_LINK_CTRL_STATUS2_REG(if) ((MV_PEX_IF_REGS_BASE(if)) + 0x90) +#define PEX_CTRL_REG(if) ((MV_PEX_IF_REGS_BASE(if)) + 0x1A00) +#define PEX_STATUS_REG(if) ((MV_PEX_IF_REGS_BASE(if)) + 0x1A04) +#define PEX_COMPLT_TMEOUT_REG(if) ((MV_PEX_IF_REGS_BASE(if)) + 0x1A10) +#define PEX_PWR_MNG_EXT_REG(if) ((MV_PEX_IF_REGS_BASE(if)) + 0x1A18) +#define PEX_FLOW_CTRL_REG(if) ((MV_PEX_IF_REGS_BASE(if)) + 0x1A20) +#define PEX_DYNMC_WIDTH_MNG_REG(if) ((MV_PEX_IF_REGS_BASE(if)) + 0x1A30) +#define PEX_ROOT_CMPLX_SSPL_REG(if) ((MV_PEX_IF_REGS_BASE(if)) + 0x1A0C) +#define PEX_RAM_PARITY_CTRL_REG(if) ((MV_PEX_IF_REGS_BASE(if)) + 0x1A50) +#define PEX_DBG_CTRL_REG(if) ((MV_PEX_IF_REGS_BASE(if)) + 0x1A60) +#define PEX_DBG_STATUS_REG(if) ((MV_PEX_IF_REGS_BASE(if)) + 0x1A64) + +#define PXLCSR_NEG_LNK_GEN_OFFS 16 /* Negotiated Link GEN */ +#define PXLCSR_NEG_LNK_GEN_MASK (0xf << PXLCSR_NEG_LNK_GEN_OFFS) +#define PXLCSR_NEG_LNK_GEN_1_1 (0x1 << PXLCSR_NEG_LNK_GEN_OFFS) +#define PXLCSR_NEG_LNK_GEN_2_0 (0x2 << PXLCSR_NEG_LNK_GEN_OFFS) + +#define PEX_CFG_ADDR_REG(if) ((MV_PEX_IF_REGS_BASE(if)) + 0x18F8) +#define PEX_CFG_DATA_REG(if) ((MV_PEX_IF_REGS_BASE(if)) + 0x18FC) +#define PEX_CAUSE_REG(if) ((MV_PEX_IF_REGS_BASE(if)) + 0x1900) + +#define PEX_CAPABILITY_REG 0x60 +#define PEX_DEV_CAPABILITY_REG 0x64 +#define PEX_DEV_CTRL_STAT_REG 0x68 +#define PEX_LINK_CAPABILITY_REG 0x6C +#define PEX_LINK_CTRL_STAT_REG 0x70 +#define PEX_LINK_CTRL_STAT_2_REG 0x90 + +#endif /* __BOARD_ENV_SPEC */ diff --git a/arch/arm/mvebu-common/serdes/high_speed_env_lib.c b/arch/arm/mvebu-common/serdes/high_speed_env_lib.c new file mode 100644 index 0000000..702273a --- /dev/null +++ b/arch/arm/mvebu-common/serdes/high_speed_env_lib.c @@ -0,0 +1,1572 @@ +/* + * Copyright (C) Marvell International Ltd. and its affiliates + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#include <common.h> +#include <i2c.h> +#include <spl.h> +#include <asm/io.h> +#include <asm/arch/cpu.h> +#include <asm/arch/soc.h> + +#include "high_speed_env_spec.h" +#include "board_env_spec.h" + +#define SERDES_VERION "2.1.5" +#define ENDED_OK "High speed PHY - Ended Successfully\n" + +static const u8 serdes_cfg[][SERDES_LAST_UNIT] = BIN_SERDES_CFG; + +extern MV_BIN_SERDES_CFG *serdes_info_tbl[]; + +extern u8 rd78460gp_twsi_dev[]; +extern u8 db88f78xx0rev2_twsi_dev[]; + +u32 pex_cfg_read(u32 pex_if, u32 bus, u32 dev, u32 func, u32 offs); +int pex_local_bus_num_set(u32 pex_if, u32 bus_num); +int pex_local_dev_num_set(u32 pex_if, u32 dev_num); + +#define MV_BOARD_PEX_MODULE_ADDR 0x23 +#define MV_BOARD_PEX_MODULE_ID 1 +#define MV_BOARD_ETM_MODULE_ID 2 + +#define PEX_MODULE_DETECT 1 +#define ETM_MODULE_DETECT 2 + +#define PEX_MODE_GET(satr) ((satr & 0x6) >> 1) +#define PEX_CAPABILITY_GET(satr) (satr & 1) +#define MV_PEX_UNIT_TO_IF(pex_unit) ((pex_unit < 3) ? (pex_unit * 4) : 9) + +/* Static parametes */ +static int config_module; +static int switch_module; + +/* Local function */ +static u32 board_id_get(void) +{ +#if defined(CONFIG_DB_88F78X60) + return DB_88F78XX0_BP_ID; +#elif defined(CONFIG_RD_88F78460_SERVER) + return RD_78460_SERVER_ID; +#elif defined(CONFIG_RD_78460_SERVER_REV2) + return RD_78460_SERVER_REV2_ID; +#elif defined(CONFIG_DB_78X60_PCAC) + return DB_78X60_PCAC_ID; +#elif defined(CONFIG_DB_88F78X60_REV2) + return DB_88F78XX0_BP_REV2_ID; +#elif defined(CONFIG_RD_78460_NAS) + return RD_78460_NAS_ID; +#elif defined(CONFIG_DB_78X60_AMC) + return DB_78X60_AMC_ID; +#elif defined(CONFIG_DB_78X60_PCAC_REV2) + return DB_78X60_PCAC_REV2_ID; +#elif defined(CONFIG_DB_784MP_GP) + return DB_784MP_GP_ID; +#elif defined(CONFIG_RD_78460_CUSTOMER) + return RD_78460_CUSTOMER_ID; +#else + /* + * Return 0 here for custom board as this should not be used + * for custom boards. + */ + return 0; +#endif +} + +static u8 board_sat_r_get(u8 dev_num, u8 reg) +{ + u8 data; + u8 *dev; + u32 board_id = board_id_get(); + int ret; + + i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); + + switch (board_id) { + case DB_784MP_GP_ID: + dev = rd78460gp_twsi_dev; + + break; + case DB_88F78XX0_BP_ID: + case DB_88F78XX0_BP_REV2_ID: + dev = db88f78xx0rev2_twsi_dev; + break; + + case DB_78X60_PCAC_ID: + case FPGA_88F78XX0_ID: + case DB_78X60_PCAC_REV2_ID: + case RD_78460_SERVER_REV2_ID: + default: + return 0; + } + + /* Read MPP module ID */ + ret = i2c_read(dev[dev_num], 0, 1, (u8 *)&data, 1); + if (ret) + return MV_ERROR; + + return data; +} + +static int board_modules_scan(void) +{ + u8 val; + u32 board_id = board_id_get(); + int ret; + + /* Perform scan only for DB board */ + if ((board_id == DB_88F78XX0_BP_ID) || + (board_id == DB_88F78XX0_BP_REV2_ID)) { + /* reset modules flags */ + config_module = 0; + + i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); + + /* SERDES module (only PEX model is supported now) */ + ret = i2c_read(MV_BOARD_PEX_MODULE_ADDR, 0, 1, (u8 *)&val, 1); + if (ret) + return MV_ERROR; + + if (val == MV_BOARD_PEX_MODULE_ID) + config_module = PEX_MODULE_DETECT; + if (val == MV_BOARD_ETM_MODULE_ID) + config_module = ETM_MODULE_DETECT; + } else if (board_id == RD_78460_NAS_ID) { + switch_module = 0; + if ((reg_read(GPP_DATA_IN_REG(2)) & MV_GPP66) == 0x0) + switch_module = 1; + } + + return MV_OK; +} + +u32 pex_max_unit_get(void) +{ + /* + * TODO: + * Right now only MV78460 is supported. Other SoC's might need + * a different value here. + */ + return MV_PEX_MAX_UNIT; +} + +u32 pex_max_if_get(void) +{ + /* + * TODO: + * Right now only MV78460 is supported. Other SoC's might need + * a different value here. + */ + return MV_PEX_MAX_IF; +} + +u8 board_cpu_freq_get(void) +{ + u32 sar; + u32 sar_msb; + + sar = reg_read(MPP_SAMPLE_AT_RESET(0)); + sar_msb = reg_read(MPP_SAMPLE_AT_RESET(1)); + return ((sar_msb & 0x100000) >> 17) | ((sar & 0xe00000) >> 21); +} + +__weak MV_BIN_SERDES_CFG *board_serdes_cfg_get(u8 pex_mode) +{ + u32 board_id; + u32 serdes_cfg_val = 0; /* default */ + + board_id = board_id_get(); + + switch (board_id) { + case DB_784MP_GP_ID: + serdes_cfg_val = 0; + break; + } + + return &serdes_info_tbl[board_id - BOARD_ID_BASE][serdes_cfg_val]; +} + +u16 ctrl_model_get(void) +{ + /* Right now only MV78460 supported */ + return MV_78460_DEV_ID; +} + +u32 get_line_cfg(u32 line_num, MV_BIN_SERDES_CFG *info) +{ + if (line_num < 8) + return (info->line0_7 >> (line_num << 2)) & 0xF; + else + return (info->line8_15 >> ((line_num - 8) << 2)) & 0xF; +} + +int serdes_phy_config(void) +{ + int status = MV_OK; + u32 line_cfg; + u8 line_num; + /* addr/value for each line @ every setup step */ + u32 addr[16][11], val[16][11]; + u8 pex_unit, pex_line_num; + u8 sgmii_port = 0; + u32 tmp; + u32 in_direct; + u8 max_serdes_lines; + MV_BIN_SERDES_CFG *info; + u8 satr11; + u8 sata_port; + u8 freq; + u8 device_rev; + u32 rx_high_imp_mode; + u16 ctrl_mode; + u32 board_id = board_id_get(); + u32 pex_if; + u32 pex_if_num; + + /* + * TODO: + * Right now we only support the MV78460 with 16 serdes lines + */ + max_serdes_lines = 16; + if (max_serdes_lines == 0) + return MV_OK; + + switch (board_id) { + case DB_78X60_AMC_ID: + case DB_78X60_PCAC_REV2_ID: + case RD_78460_CUSTOMER_ID: + case RD_78460_SERVER_ID: + case RD_78460_SERVER_REV2_ID: + case DB_78X60_PCAC_ID: + satr11 = (0x1 << 1) | 1; + break; + case FPGA_88F78XX0_ID: + case RD_78460_NAS_ID: + satr11 = (0x0 << 1) | 1; + break; + case DB_88F78XX0_BP_REV2_ID: + case DB_784MP_GP_ID: + case DB_88F78XX0_BP_ID: + satr11 = board_sat_r_get(1, 1); + if ((u8) MV_ERROR == (u8) satr11) + return MV_ERROR; + break; + } + + board_modules_scan(); + memset(addr, 0, sizeof(addr)); + memset(val, 0, sizeof(val)); + + /* Check if DRAM is already initialized */ + if (reg_read(REG_BOOTROM_ROUTINE_ADDR) & + (1 << REG_BOOTROM_ROUTINE_DRAM_INIT_OFFS)) { + DEBUG_INIT_S("High speed PHY - Version: "); + DEBUG_INIT_S(SERDES_VERION); + DEBUG_INIT_S(" - 2nd boot - Skip\n"); + return MV_OK; + } + DEBUG_INIT_S("High speed PHY - Version: "); + DEBUG_INIT_S(SERDES_VERION); + DEBUG_INIT_S(" (COM-PHY-V20)\n"); + + /* + * AVS : disable AVS for frequency less than 1333 + */ + freq = board_cpu_freq_get(); + device_rev = mv_ctrl_rev_get(); + + if (device_rev == 2) { /* for B0 only */ + u32 cpu_avs; + u8 fabric_freq; + cpu_avs = reg_read(CPU_AVS_CONTROL2_REG); + DEBUG_RD_REG(CPU_AVS_CONTROL2_REG, cpu_avs); + cpu_avs &= ~(1 << 9); + + if ((0x4 == freq) || (0xB == freq)) { + u32 tmp2; + + tmp2 = reg_read(CPU_AVS_CONTROL0_REG); + DEBUG_RD_REG(CPU_AVS_CONTROL0_REG, tmp2); + /* cpu upper limit = 1.1V cpu lower limit = 0.9125V */ + tmp2 |= 0x0FF; + reg_write(CPU_AVS_CONTROL0_REG, tmp2); + DEBUG_WR_REG(CPU_AVS_CONTROL0_REG, tmp2); + cpu_avs |= (1 << 9); /* cpu avs enable */ + cpu_avs |= (1 << 18); /* AvsAvddDetEn enable */ + fabric_freq = (reg_read(MPP_SAMPLE_AT_RESET(0)) & + SAR0_FABRIC_FREQ_MASK) >> SAR0_FABRIC_FREQ_OFFSET; + if ((0xB == freq) && (5 == fabric_freq)) { + u32 core_avs; + + core_avs = reg_read(CORE_AVS_CONTROL_0REG); + DEBUG_RD_REG(CORE_AVS_CONTROL_0REG, core_avs); + + /* + * Set core lower limit = 0.9V & + * core upper limit = 0.9125V + */ + core_avs &= ~(0xff); + core_avs |= 0x0E; + reg_write(CORE_AVS_CONTROL_0REG, core_avs); + DEBUG_WR_REG(CORE_AVS_CONTROL_0REG, core_avs); + + core_avs = reg_read(CORE_AVS_CONTROL_2REG); + DEBUG_RD_REG(CORE_AVS_CONTROL_2REG, core_avs); + core_avs |= (1 << 9); /* core AVS enable */ + reg_write(CORE_AVS_CONTROL_2REG, core_avs); + DEBUG_WR_REG(CORE_AVS_CONTROL_2REG, core_avs); + + tmp2 = reg_read(GENERAL_PURPOSE_RESERVED0_REG); + DEBUG_RD_REG(GENERAL_PURPOSE_RESERVED0_REG, + tmp2); + tmp2 |= 0x1; /* AvsCoreAvddDetEn enable */ + reg_write(GENERAL_PURPOSE_RESERVED0_REG, tmp2); + DEBUG_WR_REG(GENERAL_PURPOSE_RESERVED0_REG, + tmp2); + } + } + reg_write(CPU_AVS_CONTROL2_REG, cpu_avs); + DEBUG_WR_REG(CPU_AVS_CONTROL2_REG, cpu_avs); + } + + info = board_serdes_cfg_get(PEX_MODE_GET(satr11)); + DEBUG_INIT_FULL_S("info->line0_7= 0x"); + DEBUG_INIT_FULL_D(info->line0_7, 8); + DEBUG_INIT_FULL_S(" info->line8_15= 0x"); + DEBUG_INIT_FULL_D(info->line8_15, 8); + DEBUG_INIT_FULL_S("\n"); + + if (info == NULL) { + DEBUG_INIT_S("Hight speed PHY Error #1\n"); + return MV_ERROR; + } + + if (config_module & ETM_MODULE_DETECT) { /* step 0.9 ETM */ + DEBUG_INIT_FULL_S("ETM module detect Step 0.9:\n"); + reg_write(SERDES_LINE_MUX_REG_0_7, 0x11111111); + DEBUG_WR_REG(SERDES_LINE_MUX_REG_0_7, 0x11111111); + info->pex_mode[1] = PEX_BUS_DISABLED; /* pex unit 1 is configure for ETM */ + mdelay(100); + reg_write(PEX_PHY_ACCESS_REG(1), (0x002 << 16) | 0xf44d); /* SETM0 - start calibration */ + DEBUG_WR_REG(PEX_PHY_ACCESS_REG(1), (0x002 << 16) | 0xf44d); /* SETM0 - start calibration */ + reg_write(PEX_PHY_ACCESS_REG(1), (0x302 << 16) | 0xf44d); /* SETM1 - start calibration */ + DEBUG_WR_REG(PEX_PHY_ACCESS_REG(1), (0x302 << 16) | 0xf44d); /* SETM1 - start calibration */ + reg_write(PEX_PHY_ACCESS_REG(1), (0x001 << 16) | 0xf801); /* SETM0 - SATA mode & 25MHz ref clk */ + DEBUG_WR_REG(PEX_PHY_ACCESS_REG(1), (0x001 << 16) | 0xf801); /* SETM0 - SATA mode & 25MHz ref clk */ + reg_write(PEX_PHY_ACCESS_REG(1), (0x301 << 16) | 0xf801); /* SETM1 - SATA mode & 25MHz ref clk */ + DEBUG_WR_REG(PEX_PHY_ACCESS_REG(1), (0x301 << 16) | 0xf801); /* SETM1 - SATA mode & 25MHz ref clk */ + reg_write(PEX_PHY_ACCESS_REG(1), (0x011 << 16) | 0x0BFF); /* SETM0 - G3 full swing AMP */ + DEBUG_WR_REG(PEX_PHY_ACCESS_REG(1), (0x011 << 16) | 0x0BFF); /* SETM0 - G3 full swing AMP */ + reg_write(PEX_PHY_ACCESS_REG(1), (0x311 << 16) | 0x0BFF); /* SETM1 - G3 full swing AMP */ + DEBUG_WR_REG(PEX_PHY_ACCESS_REG(1), (0x311 << 16) | 0x0BFF); /* SETM1 - G3 full swing AMP */ + reg_write(PEX_PHY_ACCESS_REG(1), (0x023 << 16) | 0x0800); /* SETM0 - 40 data bit width */ + DEBUG_WR_REG(PEX_PHY_ACCESS_REG(1), (0x023 << 16) | 0x0800); /* SETM0 - 40 data bit width */ + reg_write(PEX_PHY_ACCESS_REG(1), (0x323 << 16) | 0x0800); /* SETM1 - 40 data bit width */ + DEBUG_WR_REG(PEX_PHY_ACCESS_REG(1), (0x323 << 16) | 0x0800); /* SETM1 - 40 data bit width */ + reg_write(PEX_PHY_ACCESS_REG(1), (0x046 << 16) | 0x0400); /* lane0(serdes4) */ + DEBUG_WR_REG(PEX_PHY_ACCESS_REG(1), (0x046 << 16) | 0x0400); /* lane0(serdes4) */ + reg_write(PEX_PHY_ACCESS_REG(1), (0x346 << 16) | 0x0400); /* lane3(serdes7) */ + DEBUG_WR_REG(PEX_PHY_ACCESS_REG(1), (0x346 << 16) | 0x0400); /* lane3(serdes7) */ + } + + /* STEP -1 [PEX-Only] First phase of PEX-PIPE Configuration: */ + DEBUG_INIT_FULL_S("Step 1: First phase of PEX-PIPE Configuration\n"); + for (pex_unit = 0; pex_unit < pex_max_unit_get(); pex_unit++) { + if (info->pex_mode[pex_unit] == PEX_BUS_DISABLED) + continue; + + /* 1. GLOB_CLK_CTRL Reset and Clock Control */ + reg_write(PEX_PHY_ACCESS_REG(pex_unit), (0xC1 << 16) | 0x25); + DEBUG_WR_REG(PEX_PHY_ACCESS_REG(pex_unit), (0xC1 << 16) | 0x25); + + /* 2. GLOB_TEST_CTRL Test Mode Control */ + if (info->pex_mode[pex_unit] == PEX_BUS_MODE_X4) { + reg_write(PEX_PHY_ACCESS_REG(pex_unit), + (0xC2 << 16) | 0x200); + DEBUG_WR_REG(PEX_PHY_ACCESS_REG(pex_unit), + (0xC2 << 16) | 0x200); + } + + /* 3. GLOB_CLK_SRC_LO Clock Source Low */ + if (info->pex_mode[pex_unit] == PEX_BUS_MODE_X1) { + reg_write(PEX_PHY_ACCESS_REG(pex_unit), + (0xC3 << 16) | 0x0F); + DEBUG_WR_REG(PEX_PHY_ACCESS_REG(pex_unit), + (0xC3 << 16) | 0x0F); + } + + reg_write(PEX_PHY_ACCESS_REG(pex_unit), (0xC5 << 16) | 0x11F); + DEBUG_WR_REG(PEX_PHY_ACCESS_REG(pex_unit), + (0xC5 << 16) | 0x11F); + } + + /* + * 2 Configure the desire PIN_PHY_GEN and do power down to the PU_PLL, + * PU_RX,PU_TX. (bits[12:5]) + */ + DEBUG_INIT_FULL_S("Step 2: Configure the desire PIN_PHY_GEN\n"); + for (line_num = 0; line_num < max_serdes_lines; line_num++) { + line_cfg = get_line_cfg(line_num, info); + if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_UNCONNECTED]) + continue; + if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_PEX]) + continue; + if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_SATA]) { + switch (line_num) { + case 4: + case 6: + sata_port = 0; + break; + case 5: + sata_port = 1; + break; + default: + DEBUG_INIT_C + ("SATA port error for serdes line: ", + line_num, 2); + return MV_ERROR; + } + tmp = reg_read(SATA_LP_PHY_EXT_CTRL_REG(sata_port)); + DEBUG_RD_REG(SATA_LP_PHY_EXT_CTRL_REG(sata_port), tmp); + tmp &= ~((0x1ff << 5) | 0x7); + tmp |= ((info->bus_speed & (1 << line_num)) != 0) ? + (0x11 << 5) : 0x0; + + reg_write(SATA_LP_PHY_EXT_CTRL_REG(sata_port), tmp); + DEBUG_WR_REG(SATA_LP_PHY_EXT_CTRL_REG(sata_port), tmp); + } + + if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_QSGMII]) { + /* + * 4) Configure the desire PIN_PHY_GEN and do power + * down to the PU_PLL,PU_RX,PU_TX. (bits[12:5]) + */ + tmp = reg_read(SGMII_SERDES_CFG_REG(0)); + DEBUG_RD_REG(SGMII_SERDES_CFG_REG(0), tmp); + tmp &= ~((0x1ff << 5) | 0x7); + tmp |= 0x660; + reg_write(SGMII_SERDES_CFG_REG(0), tmp); + DEBUG_WR_REG(SGMII_SERDES_CFG_REG(0), tmp); + continue; + } + + if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_SGMII0]) + sgmii_port = 0; + else if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_SGMII1]) + sgmii_port = 1; + else if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_SGMII2]) + sgmii_port = 2; + else if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_SGMII3]) + sgmii_port = 3; + else + continue; + + tmp = reg_read(SGMII_SERDES_CFG_REG(sgmii_port)); + DEBUG_RD_REG(SGMII_SERDES_CFG_REG(sgmii_port), tmp); + tmp &= ~((0x1ff << 5) | 0x7); + tmp |= (((info->bus_speed & (1 << line_num)) != 0) ? + (0x88 << 5) : (0x66 << 5)); + reg_write(SGMII_SERDES_CFG_REG(sgmii_port), tmp); + DEBUG_WR_REG(SGMII_SERDES_CFG_REG(sgmii_port), tmp); + } + + /* Step 3 - QSGMII enable */ + DEBUG_INIT_FULL_S("Step 3 QSGMII enable\n"); + for (line_num = 0; line_num < max_serdes_lines; line_num++) { + line_cfg = get_line_cfg(line_num, info); + if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_QSGMII]) { + /* QSGMII Active bit set to true */ + tmp = reg_read(QSGMII_CONTROL_1_REG); + DEBUG_RD_REG(QSGMII_CONTROL_1_REG, tmp); + tmp |= (1 << 30); +#ifdef ERRATA_GL_6572255 + tmp |= (1 << 27); +#endif + reg_write(QSGMII_CONTROL_1_REG, tmp); + DEBUG_WR_REG(QSGMII_CONTROL_1_REG, tmp); + } + } + + /* Step 4 - configure SERDES MUXes */ + DEBUG_INIT_FULL_S("Step 4: Configure SERDES MUXes\n"); + if (config_module & ETM_MODULE_DETECT) { + reg_write(SERDES_LINE_MUX_REG_0_7, 0x40041111); + DEBUG_WR_REG(SERDES_LINE_MUX_REG_0_7, 0x40041111); + } else { + reg_write(SERDES_LINE_MUX_REG_0_7, info->line0_7); + DEBUG_WR_REG(SERDES_LINE_MUX_REG_0_7, info->line0_7); + } + reg_write(SERDES_LINE_MUX_REG_8_15, info->line8_15); + DEBUG_WR_REG(SERDES_LINE_MUX_REG_8_15, info->line8_15); + + /* Step 5: Activate the RX High Impedance Mode */ + DEBUG_INIT_FULL_S("Step 5: Activate the RX High Impedance Mode\n"); + rx_high_imp_mode = 0x8080; + if (device_rev == 2) /* for B0 only */ + rx_high_imp_mode |= 4; + + for (line_num = 0; line_num < max_serdes_lines; line_num++) { + /* for each serdes lane */ + DEBUG_INIT_FULL_S("SERDES "); + DEBUG_INIT_FULL_D_10(line_num, 2); + line_cfg = get_line_cfg(line_num, info); + if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_UNCONNECTED]) { + DEBUG_INIT_FULL_S(" unconnected ***\n"); + continue; + } + if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_PEX]) { + pex_unit = line_num >> 2; + pex_line_num = line_num % 4; + DEBUG_INIT_FULL_S(" - PEX unit "); + DEBUG_INIT_FULL_D_10(pex_unit, 1); + DEBUG_INIT_FULL_S(" line= "); + DEBUG_INIT_FULL_D_10(pex_line_num, 1); + DEBUG_INIT_FULL_S("\n"); + + /* Needed for PEX_PHY_ACCESS_REG macro */ + if ((line_num > 7) && + (info->pex_mode[3] == PEX_BUS_MODE_X8)) + /* lines 8 - 15 are belong to PEX3 in x8 mode */ + pex_unit = 3; + + if (info->pex_mode[pex_unit] == PEX_BUS_DISABLED) + continue; + + /* + * 8) Activate the RX High Impedance Mode field + * (bit [2]) in register /PCIe_USB Control (Each MAC + * contain different Access to reach its + * Serdes-Regfile). + * [PEX-Only] Set bit[12]: The analog part latches idle + * if PU_TX = 1 and PU_PLL =1. + */ + + /* Termination enable */ + if (info->pex_mode[pex_unit] == PEX_BUS_MODE_X1) { + in_direct = (0x48 << 16) | (pex_line_num << 24) | + 0x1000 | rx_high_imp_mode; /* x1 */ + } else if ((info->pex_mode[pex_unit] == + PEX_BUS_MODE_X4) && (pex_line_num == 0)) + in_direct = (0x48 << 16) | (pex_line_num << 24) | + 0x1000 | (rx_high_imp_mode & 0xff); /* x4 */ + else + in_direct = 0; + + if (in_direct) { + reg_write(PEX_PHY_ACCESS_REG(pex_unit), + in_direct); + DEBUG_WR_REG(PEX_PHY_ACCESS_REG(pex_unit), + in_direct); + } + + continue; + } + + if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_SATA]) { + /* + * port 0 for serdes lines 4,6, and port 1 for + * serdes lines 5 + */ + sata_port = line_num & 1; + DEBUG_INIT_FULL_S(" - SATA port "); + DEBUG_INIT_FULL_D_10(sata_port, 2); + DEBUG_INIT_FULL_S("\n"); + reg_write(SATA_COMPHY_CTRL_REG(sata_port), + rx_high_imp_mode); + DEBUG_WR_REG(SATA_COMPHY_CTRL_REG(sata_port), + rx_high_imp_mode); + continue; + } + + if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_QSGMII]) { + DEBUG_INIT_FULL_S(" - QSGMII\n"); + reg_write(SGMII_COMPHY_CTRL_REG(0), rx_high_imp_mode); + DEBUG_WR_REG(SGMII_COMPHY_CTRL_REG(0), + rx_high_imp_mode); + continue; + } + + if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_SGMII0]) + sgmii_port = 0; + else if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_SGMII1]) + sgmii_port = 1; + else if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_SGMII2]) + sgmii_port = 2; + else if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_SGMII3]) + sgmii_port = 3; + else + continue; + DEBUG_INIT_FULL_S(" - SGMII port "); + DEBUG_INIT_FULL_D_10(sgmii_port, 2); + DEBUG_INIT_FULL_S("\n"); + reg_write(SGMII_COMPHY_CTRL_REG(sgmii_port), rx_high_imp_mode); + DEBUG_WR_REG(SGMII_COMPHY_CTRL_REG(sgmii_port), + rx_high_imp_mode); + } /* for each serdes lane */ + + /* Step 6 [PEX-Only] PEX-Main configuration (X4 or X1): */ + DEBUG_INIT_FULL_S("Step 6: [PEX-Only] PEX-Main configuration (X4 or X1)\n"); + tmp = reg_read(SOC_CTRL_REG); + DEBUG_RD_REG(SOC_CTRL_REG, tmp); + tmp &= 0x200; + if (info->pex_mode[0] == PEX_BUS_MODE_X1) + tmp |= PCIE0_QUADX1_EN; + if (info->pex_mode[1] == PEX_BUS_MODE_X1) + tmp |= PCIE1_QUADX1_EN; + if (((reg_read(MPP_SAMPLE_AT_RESET(0)) & PEX_CLK_100MHZ_MASK) >> + PEX_CLK_100MHZ_OFFSET) == 0x1) + tmp |= (PCIE0_CLK_OUT_EN_MASK | PCIE1_CLK_OUT_EN_MASK); + + reg_write(SOC_CTRL_REG, tmp); + DEBUG_WR_REG(SOC_CTRL_REG, tmp); + + /* 6.2 PCI Express Link Capabilities */ + DEBUG_INIT_FULL_S("Step 6.2: [PEX-Only] PCI Express Link Capabilities\n"); + + for (line_num = 0; line_num < max_serdes_lines; line_num++) { + line_cfg = get_line_cfg(line_num, info); + + if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_PEX]) { + /* + * PCI Express Control + * 0xX1A00 [0]: + * 0x0 X4-Link. + * 0x1 X1-Link + */ + pex_unit = line_num >> 2; + pex_if = MV_SERDES_NUM_TO_PEX_NUM(line_num); + if (info->pex_mode[pex_unit] == PEX_BUS_DISABLED) + continue; + + /* set Common Clock Configuration */ + tmp = reg_read(PEX_LINK_CTRL_STATUS_REG(pex_if)); + DEBUG_RD_REG(PEX_LINK_CTRL_STATUS_REG(pex_if), tmp); + tmp |= (1 << 6); + reg_write(PEX_LINK_CTRL_STATUS_REG(pex_if), tmp); + DEBUG_WR_REG(PEX_LINK_CTRL_STATUS_REG(pex_if), tmp); + + tmp = reg_read(PEX_LINK_CAPABILITIES_REG(pex_if)); + DEBUG_RD_REG(PEX_LINK_CAPABILITIES_REG(pex_if), tmp); + tmp &= ~(0x3FF); + if (info->pex_mode[pex_unit] == PEX_BUS_MODE_X1) + tmp |= (0x1 << 4); + if (info->pex_mode[pex_unit] == PEX_BUS_MODE_X4) + tmp |= (0x4 << 4); + if (0 == PEX_CAPABILITY_GET(satr11)) + tmp |= 0x1; + else + tmp |= 0x2; + DEBUG_INIT_FULL_S("Step 6.2: PEX "); + DEBUG_INIT_FULL_D(pex_if, 1); + DEBUG_INIT_FULL_C(" set GEN", (tmp & 3), 1); + reg_write(PEX_LINK_CAPABILITIES_REG(pex_if), tmp); + DEBUG_WR_REG(PEX_LINK_CAPABILITIES_REG(pex_if), tmp); + + /* + * If pex is X4, no need to pass thru the other + * 3X1 serdes lines + */ + if (info->pex_mode[pex_unit] == PEX_BUS_MODE_X4) + line_num += 3; + } + } + + /* + * Step 7 [PEX-X4 Only] To create PEX-Link that contain 4-lanes you + * need to config the register SOC_Misc/General Purpose2 + * (Address= 182F8) + */ + DEBUG_INIT_FULL_S("Step 7: [PEX-X4 Only] To create PEX-Link\n"); + tmp = reg_read(GEN_PURP_RES_2_REG); + DEBUG_RD_REG(GEN_PURP_RES_2_REG, tmp); + + tmp &= 0xFFFF0000; + if (info->pex_mode[0] == PEX_BUS_MODE_X4) + tmp |= 0x0000000F; + + if (info->pex_mode[1] == PEX_BUS_MODE_X4) + tmp |= 0x000000F0; + + if (info->pex_mode[2] == PEX_BUS_MODE_X4) + tmp |= 0x00000F00; + + if (info->pex_mode[3] == PEX_BUS_MODE_X4) + tmp |= 0x0000F000; + + reg_write(GEN_PURP_RES_2_REG, tmp); + DEBUG_WR_REG(GEN_PURP_RES_2_REG, tmp); + + /* Steps 8 , 9 ,10 - use prepared REG addresses and values */ + DEBUG_INIT_FULL_S("Steps 7,8,9,10 and 11\n"); + + /* Prepare PHY parameters for each step according to MUX selection */ + for (line_num = 0; line_num < max_serdes_lines; line_num++) { + /* for each serdes lane */ + + line_cfg = get_line_cfg(line_num, info); + + if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_UNCONNECTED]) + continue; + + if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_PEX]) { + pex_unit = line_num >> 2; + pex_line_num = line_num % 4; + + if (info->pex_mode[pex_unit] == PEX_BUS_DISABLED) + continue; + /* + * 8) Configure the desire PHY_MODE (bits [7:5]) + * and REF_FREF_SEL (bits[4:0]) in the register Power + * and PLL Control (Each MAC contain different Access + * to reach its Serdes-Regfile). + */ + if (((info->pex_mode[pex_unit] == PEX_BUS_MODE_X4) && + (0 == pex_line_num)) + || ((info->pex_mode[pex_unit] == PEX_BUS_MODE_X1))) { + reg_write(PEX_PHY_ACCESS_REG(pex_unit), + (0x01 << 16) | (pex_line_num << 24) | + 0xFC60); + DEBUG_WR_REG(PEX_PHY_ACCESS_REG(pex_unit), + (0x01 << 16) | (pex_line_num << 24) + | 0xFC60); + /* + * Step 8.1: [PEX-Only] Configure Max PLL Rate + * (bit 8 in KVCO Calibration Control and + * bits[10:9] in + */ + /* Use Maximum PLL Rate(Bit 8) */ + reg_write(PEX_PHY_ACCESS_REG(pex_unit), + (0x02 << 16) | (1 << 31) | + (pex_line_num << 24)); /* read command */ + DEBUG_WR_REG(PEX_PHY_ACCESS_REG(pex_unit), + (0x02 << 16) | (1 << 31) | + (pex_line_num << 24)); + tmp = reg_read(PEX_PHY_ACCESS_REG(pex_unit)); + DEBUG_RD_REG(PEX_PHY_ACCESS_REG(pex_unit), tmp); + tmp &= ~(1 << 31); + tmp |= (1 << 8); + reg_write(PEX_PHY_ACCESS_REG(pex_unit), tmp); + DEBUG_WR_REG(PEX_PHY_ACCESS_REG(pex_unit), tmp); + + /* Use Maximum PLL Rate(Bits [10:9]) */ + reg_write(PEX_PHY_ACCESS_REG(pex_unit), + (0x81 << 16) | (1 << 31) | + (pex_line_num << 24)); /* read command */ + DEBUG_WR_REG(PEX_PHY_ACCESS_REG(pex_unit), + (0x81 << 16) | (1 << 31) | + (pex_line_num << 24)); + tmp = reg_read(PEX_PHY_ACCESS_REG(pex_unit)); + DEBUG_RD_REG(PEX_PHY_ACCESS_REG(pex_unit), tmp); + tmp &= ~(1 << 31); + tmp |= (3 << 9); + reg_write(PEX_PHY_ACCESS_REG(pex_unit), tmp); + DEBUG_WR_REG(PEX_PHY_ACCESS_REG(pex_unit), tmp); + } + + continue; + } + + if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_SATA]) { + /* + * Port 0 for serdes lines 4,6, and port 1 for serdes + * lines 5 + */ + sata_port = line_num & 1; + + /* + * 8) Configure the desire PHY_MODE (bits [7:5]) and + * REF_FREF_SEL (bits[4:0]) in the register Power + * and PLL Control (Each MAC contain different Access + * to reach its Serdes-Regfile). + */ + reg_write(SATA_PWR_PLL_CTRL_REG(sata_port), 0xF801); + DEBUG_WR_REG(SATA_PWR_PLL_CTRL_REG(sata_port), 0xF801); + + /* 9) Configure the desire SEL_BITS */ + reg_write(SATA_DIG_LP_ENA_REG(sata_port), 0x400); + DEBUG_WR_REG(SATA_DIG_LP_ENA_REG(sata_port), 0x400); + + /* 10) Configure the desire REFCLK_SEL */ + + reg_write(SATA_REF_CLK_SEL_REG(sata_port), 0x400); + DEBUG_WR_REG(SATA_REF_CLK_SEL_REG(sata_port), 0x400); + + /* 11) Power up to the PU_PLL,PU_RX,PU_TX. */ + tmp = reg_read(SATA_LP_PHY_EXT_CTRL_REG(sata_port)); + DEBUG_RD_REG(SATA_LP_PHY_EXT_CTRL_REG(sata_port), tmp); + tmp |= 7; + reg_write(SATA_LP_PHY_EXT_CTRL_REG(sata_port), tmp); + DEBUG_WR_REG(SATA_LP_PHY_EXT_CTRL_REG(sata_port), tmp); + + continue; + } + + if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_QSGMII]) { + /* + * 8) Configure the desire PHY_MODE (bits [7:5]) + * and REF_FREF_SEL (bits[4:0]) in the register + */ + reg_write(SGMII_PWR_PLL_CTRL_REG(0), 0xF881); + DEBUG_WR_REG(SGMII_PWR_PLL_CTRL_REG(0), 0xF881); + + /* + * 9) Configure the desire SEL_BITS (bits [11:0] + * in register + */ + reg_write(SGMII_DIG_LP_ENA_REG(0), 0x400); + DEBUG_WR_REG(SGMII_DIG_LP_ENA_REG(0), 0x400); + + /* + * 10) Configure the desire REFCLK_SEL (bit [10]) + * in register + */ + reg_write(SGMII_REF_CLK_SEL_REG(0), 0x400); + DEBUG_WR_REG(SGMII_REF_CLK_SEL_REG(0), 0x400); + + /* 11) Power up to the PU_PLL,PU_RX,PU_TX. */ + tmp = reg_read(SGMII_SERDES_CFG_REG(0)); + DEBUG_RD_REG(SGMII_SERDES_CFG_REG(0), tmp); + tmp |= 7; + reg_write(SGMII_SERDES_CFG_REG(0), tmp); + DEBUG_WR_REG(SGMII_SERDES_CFG_REG(0), tmp); + continue; + } + + if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_SGMII0]) + sgmii_port = 0; + else if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_SGMII1]) + sgmii_port = 1; + else if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_SGMII2]) + sgmii_port = 2; + else if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_SGMII3]) + sgmii_port = 3; + else + continue; + + /* + * 8) Configure the desire PHY_MODE (bits [7:5]) and + * REF_FREF_SEL (bits[4:0]) in the register + */ + reg_write(SGMII_PWR_PLL_CTRL_REG(sgmii_port), 0xF881); + DEBUG_WR_REG(SGMII_PWR_PLL_CTRL_REG(sgmii_port), 0xF881); + + /* 9) Configure the desire SEL_BITS (bits [11:0] in register */ + reg_write(SGMII_DIG_LP_ENA_REG(sgmii_port), 0); + DEBUG_WR_REG(SGMII_DIG_LP_ENA_REG(sgmii_port), 0); + + /* 10) Configure the desire REFCLK_SEL (bit [10]) in register */ + reg_write(SGMII_REF_CLK_SEL_REG(sgmii_port), 0x400); + DEBUG_WR_REG(SGMII_REF_CLK_SEL_REG(sgmii_port), 0x400); + + /* 11) Power up to the PU_PLL,PU_RX,PU_TX. */ + tmp = reg_read(SGMII_SERDES_CFG_REG(sgmii_port)); + DEBUG_RD_REG(SGMII_SERDES_CFG_REG(sgmii_port), tmp); + tmp |= 7; + reg_write(SGMII_SERDES_CFG_REG(sgmii_port), tmp); + DEBUG_WR_REG(SGMII_SERDES_CFG_REG(sgmii_port), tmp); + + } /* for each serdes lane */ + + /* Step 12 [PEX-Only] Last phase of PEX-PIPE Configuration */ + DEBUG_INIT_FULL_S("Steps 12: [PEX-Only] Last phase of PEX-PIPE Configuration\n"); + for (line_num = 0; line_num < max_serdes_lines; line_num++) { + /* for each serdes lane */ + + line_cfg = get_line_cfg(line_num, info); + + if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_UNCONNECTED]) + continue; + + if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_PEX]) { + pex_unit = line_num >> 2; + pex_line_num = line_num % 4; + if (0 == pex_line_num) { + reg_write(PEX_PHY_ACCESS_REG(pex_unit), + (0xC1 << 16) | 0x24); + DEBUG_WR_REG(PEX_PHY_ACCESS_REG(pex_unit), + (0xC1 << 16) | 0x24); + } + } + } + + /*--------------------------------------------------------------*/ + /* Step 13: Wait 15ms before checking results */ + DEBUG_INIT_FULL_S("Steps 13: Wait 15ms before checking results"); + mdelay(15); + tmp = 20; + while (tmp) { + status = MV_OK; + for (line_num = 0; line_num < max_serdes_lines; line_num++) { + u32 tmp; + line_cfg = get_line_cfg(line_num, info); + if (line_cfg == + serdes_cfg[line_num][SERDES_UNIT_UNCONNECTED]) + continue; + + if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_PEX]) + continue; + + if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_SATA]) { + /* + * Port 0 for serdes lines 4,6, and port 1 + * for serdes lines 5 + */ + sata_port = line_num & 1; + + tmp = + reg_read(SATA_LP_PHY_EXT_STAT_REG + (sata_port)); + DEBUG_RD_REG(SATA_LP_PHY_EXT_STAT_REG + (sata_port), tmp); + if ((tmp & 0x7) != 0x7) + status = MV_ERROR; + continue; + } + + if (line_cfg == + serdes_cfg[line_num][SERDES_UNIT_QSGMII]) { + tmp = reg_read(SGMII_SERDES_STAT_REG(0)); + DEBUG_RD_REG(SGMII_SERDES_STAT_REG(0), tmp); + if ((tmp & 0x7) != 0x7) + status = MV_ERROR; + continue; + } + + if (line_cfg == + serdes_cfg[line_num][SERDES_UNIT_SGMII0]) + sgmii_port = 0; + else if (line_cfg == + serdes_cfg[line_num][SERDES_UNIT_SGMII1]) + sgmii_port = 1; + else if (line_cfg == + serdes_cfg[line_num][SERDES_UNIT_SGMII2]) + sgmii_port = 2; + else if (line_cfg == + serdes_cfg[line_num][SERDES_UNIT_SGMII3]) + sgmii_port = 3; + else + continue; + + tmp = reg_read(SGMII_SERDES_STAT_REG(sgmii_port)); + DEBUG_RD_REG(SGMII_SERDES_STAT_REG(sgmii_port), tmp); + if ((tmp & 0x7) != 0x7) + status = MV_ERROR; + } + + if (status == MV_OK) + break; + mdelay(5); + tmp--; + } + + /* + * Step14 [PEX-Only] In order to configure RC/EP mode please write + * to register 0x0060 bits + */ + DEBUG_INIT_FULL_S("Steps 14: [PEX-Only] In order to configure\n"); + for (pex_unit = 0; pex_unit < pex_max_unit_get(); pex_unit++) { + if (info->pex_mode[pex_unit] == PEX_BUS_DISABLED) + continue; + tmp = + reg_read(PEX_CAPABILITIES_REG(MV_PEX_UNIT_TO_IF(pex_unit))); + DEBUG_RD_REG(PEX_CAPABILITIES_REG(MV_PEX_UNIT_TO_IF(pex_unit)), + tmp); + tmp &= ~(0xf << 20); + if (info->pex_type == MV_PEX_ROOT_COMPLEX) + tmp |= (0x4 << 20); + else + tmp |= (0x1 << 20); + reg_write(PEX_CAPABILITIES_REG(MV_PEX_UNIT_TO_IF(pex_unit)), + tmp); + DEBUG_WR_REG(PEX_CAPABILITIES_REG(MV_PEX_UNIT_TO_IF(pex_unit)), + tmp); + } + + /* + * Step 15 [PEX-Only] Only for EP mode set to Zero bits 19 and 16 of + * register 0x1a60 + */ + DEBUG_INIT_FULL_S("Steps 15: [PEX-Only] In order to configure\n"); + for (pex_unit = 0; pex_unit < pex_max_unit_get(); pex_unit++) { + if (info->pex_mode[pex_unit] == PEX_BUS_DISABLED) + continue; + if (info->pex_type == MV_PEX_END_POINT) { + tmp = + reg_read(PEX_DBG_CTRL_REG + (MV_PEX_UNIT_TO_IF(pex_unit))); + DEBUG_RD_REG(PEX_DBG_CTRL_REG + (MV_PEX_UNIT_TO_IF(pex_unit)), tmp); + tmp &= 0xfff6ffff; + reg_write(PEX_DBG_CTRL_REG(MV_PEX_UNIT_TO_IF(pex_unit)), + tmp); + DEBUG_WR_REG(PEX_DBG_CTRL_REG + (MV_PEX_UNIT_TO_IF(pex_unit)), tmp); + } + } + + if (info->serdes_m_phy_change) { + MV_SERDES_CHANGE_M_PHY *serdes_m_phy_change; + u32 bus_speed; + for (line_num = 0; line_num < max_serdes_lines; line_num++) { + line_cfg = get_line_cfg(line_num, info); + if (line_cfg == + serdes_cfg[line_num][SERDES_UNIT_UNCONNECTED]) + continue; + serdes_m_phy_change = info->serdes_m_phy_change; + bus_speed = info->bus_speed & (1 << line_num); + while (serdes_m_phy_change->type != + SERDES_UNIT_UNCONNECTED) { + switch (serdes_m_phy_change->type) { + case SERDES_UNIT_PEX: + if (line_cfg != SERDES_UNIT_PEX) + break; + pex_unit = line_num >> 2; + pex_line_num = line_num % 4; + if (info->pex_mode[pex_unit] == + PEX_BUS_DISABLED) + break; + if ((info->pex_mode[pex_unit] == + PEX_BUS_MODE_X4) && pex_line_num) + break; + + if (bus_speed) { + reg_write(PEX_PHY_ACCESS_REG + (pex_unit), + (pex_line_num << 24) | + serdes_m_phy_change->val_hi_speed); + DEBUG_WR_REG(PEX_PHY_ACCESS_REG + (pex_unit), + (pex_line_num << + 24) | + serdes_m_phy_change->val_hi_speed); + } else { + reg_write(PEX_PHY_ACCESS_REG + (pex_unit), + (pex_line_num << 24) | + serdes_m_phy_change->val_low_speed); + DEBUG_WR_REG(PEX_PHY_ACCESS_REG + (pex_unit), + (pex_line_num << + 24) | + serdes_m_phy_change->val_low_speed); + } + break; + case SERDES_UNIT_SATA: + if (line_cfg != SERDES_UNIT_SATA) + break; + /* + * Port 0 for serdes lines 4,6, and + * port 1 for serdes lines 5 + */ + sata_port = line_num & 1; + if (bus_speed) { + reg_write(SATA_BASE_REG + (sata_port) | + serdes_m_phy_change->reg_hi_speed, + serdes_m_phy_change->val_hi_speed); + DEBUG_WR_REG(SATA_BASE_REG + (sata_port) | + serdes_m_phy_change->reg_hi_speed, + serdes_m_phy_change->val_hi_speed); + } else { + reg_write(SATA_BASE_REG + (sata_port) | + serdes_m_phy_change->reg_low_speed, + serdes_m_phy_change->val_low_speed); + DEBUG_WR_REG(SATA_BASE_REG + (sata_port) | + serdes_m_phy_change->reg_low_speed, + serdes_m_phy_change->val_low_speed); + } + break; + case SERDES_UNIT_SGMII0: + case SERDES_UNIT_SGMII1: + case SERDES_UNIT_SGMII2: + case SERDES_UNIT_SGMII3: + if (line_cfg == serdes_cfg[line_num] + [SERDES_UNIT_SGMII0]) + sgmii_port = 0; + else if (line_cfg == + serdes_cfg[line_num] + [SERDES_UNIT_SGMII1]) + sgmii_port = 1; + else if (line_cfg == + serdes_cfg[line_num] + [SERDES_UNIT_SGMII2]) + sgmii_port = 2; + else if (line_cfg == + serdes_cfg[line_num] + [SERDES_UNIT_SGMII3]) + sgmii_port = 3; + else + break; + if (bus_speed) { + reg_write(MV_ETH_REGS_BASE + (sgmii_port) | + serdes_m_phy_change->reg_hi_speed, + serdes_m_phy_change->val_hi_speed); + DEBUG_WR_REG(MV_ETH_REGS_BASE + (sgmii_port) | + serdes_m_phy_change->reg_hi_speed, + serdes_m_phy_change->val_hi_speed); + } else { + reg_write(MV_ETH_REGS_BASE + (sgmii_port) | + serdes_m_phy_change->reg_low_speed, + serdes_m_phy_change->val_low_speed); + DEBUG_WR_REG(MV_ETH_REGS_BASE + (sgmii_port) | + serdes_m_phy_change->reg_low_speed, + serdes_m_phy_change->val_low_speed); + } + break; + case SERDES_UNIT_QSGMII: + if (line_cfg != SERDES_UNIT_QSGMII) + break; + if (bus_speed) { + reg_write + (serdes_m_phy_change->reg_hi_speed, + serdes_m_phy_change->val_hi_speed); + DEBUG_WR_REG + (serdes_m_phy_change->reg_hi_speed, + serdes_m_phy_change->val_hi_speed); + } else { + reg_write + (serdes_m_phy_change->reg_low_speed, + serdes_m_phy_change->val_low_speed); + DEBUG_WR_REG + (serdes_m_phy_change->reg_low_speed, + serdes_m_phy_change->val_low_speed); + } + break; + default: + break; + } + serdes_m_phy_change++; + } + } + } + + /* Step 16 [PEX-Only] Training Enable */ + DEBUG_INIT_FULL_S("Steps 16: [PEX-Only] Training Enable"); + tmp = reg_read(SOC_CTRL_REG); + DEBUG_RD_REG(SOC_CTRL_REG, tmp); + tmp &= ~(0x0F); + for (pex_unit = 0; pex_unit < pex_max_unit_get(); pex_unit++) { + reg_write(PEX_CAUSE_REG(pex_unit), 0); + DEBUG_WR_REG(PEX_CAUSE_REG(pex_unit), 0); + if (info->pex_mode[pex_unit] != PEX_BUS_DISABLED) + tmp |= (0x1 << pex_unit); + } + reg_write(SOC_CTRL_REG, tmp); + DEBUG_WR_REG(SOC_CTRL_REG, tmp); + + /* Step 17: Speed change to target speed and width */ + { + u32 tmp_reg, tmp_pex_reg; + u32 addr; + u32 first_busno, next_busno; + u32 max_link_width = 0; + u32 neg_link_width = 0; + pex_if_num = pex_max_if_get(); + mdelay(150); + DEBUG_INIT_FULL_C("step 17: max_if= 0x", pex_if_num, 1); + next_busno = 0; + for (pex_if = 0; pex_if < pex_if_num; pex_if++) { + line_num = (pex_if <= 8) ? pex_if : 12; + line_cfg = get_line_cfg(line_num, info); + if (line_cfg != serdes_cfg[line_num][SERDES_UNIT_PEX]) + continue; + pex_unit = (pex_if < 9) ? (pex_if >> 2) : 3; + DEBUG_INIT_FULL_S("step 17: PEX"); + DEBUG_INIT_FULL_D(pex_if, 1); + DEBUG_INIT_FULL_C(" pex_unit= ", pex_unit, 1); + + if (info->pex_mode[pex_unit] == PEX_BUS_DISABLED) { + DEBUG_INIT_FULL_C("PEX disabled interface ", + pex_if, 1); + if (pex_if < 8) + pex_if += 3; + continue; + } + first_busno = next_busno; + if ((info->pex_type == MV_PEX_END_POINT) && + (0 == pex_if)) { + if ((pex_if < 8) && (info->pex_mode[pex_unit] == + PEX_BUS_MODE_X4)) + pex_if += 3; + continue; + } + + tmp = reg_read(PEX_DBG_STATUS_REG(pex_if)); + DEBUG_RD_REG(PEX_DBG_STATUS_REG(pex_if), tmp); + if ((tmp & 0x7f) == 0x7e) { + next_busno++; + tmp = reg_read(PEX_LINK_CAPABILITIES_REG(pex_if)); + max_link_width = tmp; + DEBUG_RD_REG((PEX_LINK_CAPABILITIES_REG + (pex_if)), tmp); + max_link_width = ((max_link_width >> 4) & 0x3F); + neg_link_width = + reg_read(PEX_LINK_CTRL_STATUS_REG(pex_if)); + DEBUG_RD_REG((PEX_LINK_CTRL_STATUS_REG(pex_if)), + neg_link_width); + neg_link_width = ((neg_link_width >> 20) & 0x3F); + if (max_link_width > neg_link_width) { + tmp &= ~(0x3F << 4); + tmp |= (neg_link_width << 4); + reg_write(PEX_LINK_CAPABILITIES_REG + (pex_if), tmp); + DEBUG_WR_REG((PEX_LINK_CAPABILITIES_REG + (pex_if)), tmp); + mdelay(1); /* wait 1ms before reading capability for speed */ + DEBUG_INIT_S("PEX"); + DEBUG_INIT_D(pex_if, 1); + DEBUG_INIT_C(": change width to X", + neg_link_width, 1); + } + tmp_pex_reg = + reg_read((PEX_CFG_DIRECT_ACCESS + (pex_if, + PEX_LINK_CAPABILITY_REG))); + DEBUG_RD_REG((PEX_CFG_DIRECT_ACCESS + (pex_if, + PEX_LINK_CAPABILITY_REG)), + tmp_pex_reg); + tmp_pex_reg &= (0xF); + if (tmp_pex_reg == 0x2) { + tmp_reg = + (reg_read + (PEX_CFG_DIRECT_ACCESS + (pex_if, + PEX_LINK_CTRL_STAT_REG)) & + 0xF0000) >> 16; + DEBUG_RD_REG(PEX_CFG_DIRECT_ACCESS + (pex_if, + PEX_LINK_CTRL_STAT_REG), + tmp_pex_reg); + /* check if the link established is GEN1 */ + if (tmp_reg == 0x1) { + pex_local_bus_num_set(pex_if, + first_busno); + pex_local_dev_num_set(pex_if, + 1); + + DEBUG_INIT_FULL_S("** Link is Gen1, check the EP capability\n"); + /* link is Gen1, check the EP capability */ + addr = + pex_cfg_read(pex_if, + first_busno, 0, + 0, + 0x34) & 0xFF; + DEBUG_INIT_FULL_C("pex_cfg_read: return addr=0x%x", + addr, 4); + if (addr == 0xff) { + DEBUG_INIT_FULL_C("pex_cfg_read: return 0xff -->PEX (%d): Detected No Link.", + pex_if, 1); + continue; + } + while ((pex_cfg_read + (pex_if, first_busno, 0, + 0, + addr) & 0xFF) != + 0x10) { + addr = + (pex_cfg_read + (pex_if, + first_busno, 0, 0, + addr) & 0xFF00) >> + 8; + } + if ((pex_cfg_read + (pex_if, first_busno, 0, 0, + addr + 0xC) & 0xF) >= + 0x2) { + tmp = + reg_read + (PEX_LINK_CTRL_STATUS2_REG + (pex_if)); + DEBUG_RD_REG + (PEX_LINK_CTRL_STATUS2_REG + (pex_if), tmp); + tmp &= ~(0x1 | 1 << 1); + tmp |= (1 << 1); + reg_write + (PEX_LINK_CTRL_STATUS2_REG + (pex_if), tmp); + DEBUG_WR_REG + (PEX_LINK_CTRL_STATUS2_REG + (pex_if), tmp); + + tmp = + reg_read + (PEX_CTRL_REG + (pex_if)); + DEBUG_RD_REG + (PEX_CTRL_REG + (pex_if), tmp); + tmp |= (1 << 10); + reg_write(PEX_CTRL_REG + (pex_if), + tmp); + DEBUG_WR_REG + (PEX_CTRL_REG + (pex_if), tmp); + mdelay(10); /* We need to wait 10ms before reading the PEX_DBG_STATUS_REG in order not to read the status of the former state */ + DEBUG_INIT_FULL_S + ("Gen2 client!\n"); + } else { + DEBUG_INIT_FULL_S + ("GEN1 client!\n"); + } + } + } + } else { + DEBUG_INIT_FULL_S("PEX"); + DEBUG_INIT_FULL_D(pex_if, 1); + DEBUG_INIT_FULL_S(" : Detected No Link. Status Reg(0x"); + DEBUG_INIT_FULL_D(PEX_DBG_STATUS_REG(pex_if), + 8); + DEBUG_INIT_FULL_C(") = 0x", tmp, 8); + } + + if ((pex_if < 8) && + (info->pex_mode[pex_unit] == PEX_BUS_MODE_X4)) + pex_if += 3; + } + } + + /* Step 18: update pex DEVICE ID */ + { + u32 devId; + pex_if_num = pex_max_if_get(); + ctrl_mode = ctrl_model_get(); + for (pex_if = 0; pex_if < pex_if_num; pex_if++) { + pex_unit = (pex_if < 9) ? (pex_if >> 2) : 3; + if (info->pex_mode[pex_unit] == PEX_BUS_DISABLED) { + if ((pex_if < 8) && + (info->pex_mode[pex_unit] == PEX_BUS_MODE_X4)) + pex_if += 3; + continue; + } + + devId = reg_read(PEX_CFG_DIRECT_ACCESS( + pex_if, PEX_DEVICE_AND_VENDOR_ID)); + devId &= 0xFFFF; + devId |= ((ctrl_mode << 16) & 0xffff0000); + DEBUG_INIT_S("Update Device ID PEX"); + DEBUG_INIT_D(pex_if, 1); + DEBUG_INIT_D(devId, 8); + DEBUG_INIT_S("\n"); + reg_write(PEX_CFG_DIRECT_ACCESS + (pex_if, PEX_DEVICE_AND_VENDOR_ID), devId); + if ((pex_if < 8) && + (info->pex_mode[pex_unit] == PEX_BUS_MODE_X4)) + pex_if += 3; + } + DEBUG_INIT_S("Update PEX Device ID 0x"); + DEBUG_INIT_D(ctrl_mode, 4); + DEBUG_INIT_S("0\n"); + } + tmp = reg_read(PEX_DBG_STATUS_REG(0)); + DEBUG_RD_REG(PEX_DBG_STATUS_REG(0), tmp); + + DEBUG_INIT_S(ENDED_OK); + return MV_OK; +} + +/* PEX configuration space read write */ + +/* + * pex_cfg_read - Read from configuration space + * + * DESCRIPTION: + * This function performs a 32 bit read from PEX configuration space. + * It supports both type 0 and type 1 of Configuration Transactions + * (local and over bridge). In order to read from local bus segment, use + * bus number retrieved from mvPexLocalBusNumGet(). Other bus numbers + * will result configuration transaction of type 1 (over bridge). + * + * INPUT: + * pex_if - PEX interface number. + * bus - PEX segment bus number. + * dev - PEX device number. + * func - Function number. + * offss - Register offset. + * + * OUTPUT: + * None. + * + * RETURN: + * 32bit register data, 0xffffffff on error + * + */ +u32 pex_cfg_read(u32 pex_if, u32 bus, u32 dev, u32 func, u32 offs) +{ + u32 pex_data = 0; + u32 local_dev, local_bus; + u32 val; + + if (pex_if >= MV_PEX_MAX_IF) + return 0xFFFFFFFF; + + if (dev >= MAX_PEX_DEVICES) { + DEBUG_INIT_C("pex_cfg_read: ERR. device number illigal ", dev, + 1); + return 0xFFFFFFFF; + } + + if (func >= MAX_PEX_FUNCS) { + DEBUG_INIT_C("pex_cfg_read: ERR. function num illigal ", func, + 1); + return 0xFFFFFFFF; + } + + if (bus >= MAX_PEX_BUSSES) { + DEBUG_INIT_C("pex_cfg_read: ERR. bus number illigal ", bus, 1); + return MV_ERROR; + } + val = reg_read(PEX_STATUS_REG(pex_if)); + + local_dev = + ((val & PXSR_PEX_DEV_NUM_MASK) >> PXSR_PEX_DEV_NUM_OFFS); + local_bus = + ((val & PXSR_PEX_BUS_NUM_MASK) >> PXSR_PEX_BUS_NUM_OFFS); + + /* Speed up the process. In case on no link, return MV_ERROR */ + if ((dev != local_dev) || (bus != local_bus)) { + pex_data = reg_read(PEX_STATUS_REG(pex_if)); + + if ((pex_data & PXSR_DL_DOWN)) + return MV_ERROR; + } + + /* + * In PCI Express we have only one device number + * and this number is the first number we encounter else that the + * local_dev spec pex define return on config read/write on any device + */ + if (bus == local_bus) { + if (local_dev == 0) { + /* + * If local dev is 0 then the first number we encounter + * after 0 is 1 + */ + if ((dev != 1) && (dev != local_dev)) + return MV_ERROR; + } else { + /* + * If local dev is not 0 then the first number we + * encounter is 0 + */ + if ((dev != 0) && (dev != local_dev)) + return MV_ERROR; + } + } + + /* Creating PEX address to be passed */ + pex_data = (bus << PXCAR_BUS_NUM_OFFS); + pex_data |= (dev << PXCAR_DEVICE_NUM_OFFS); + pex_data |= (func << PXCAR_FUNC_NUM_OFFS); + pex_data |= (offs & PXCAR_REG_NUM_MASK); /* lgacy register space */ + /* extended register space */ + pex_data |= (((offs & PXCAR_REAL_EXT_REG_NUM_MASK) >> + PXCAR_REAL_EXT_REG_NUM_OFFS) << PXCAR_EXT_REG_NUM_OFFS); + + pex_data |= PXCAR_CONFIG_EN; + + /* Write the address to the PEX configuration address register */ + reg_write(PEX_CFG_ADDR_REG(pex_if), pex_data); + + /* + * In order to let the PEX controller absorbed the address of the read + * transaction we perform a validity check that the address was written + */ + if (pex_data != reg_read(PEX_CFG_ADDR_REG(pex_if))) + return MV_ERROR; + + /* cleaning Master Abort */ + reg_bit_set(PEX_CFG_DIRECT_ACCESS(pex_if, PEX_STATUS_AND_COMMAND), + PXSAC_MABORT); + /* Read the Data returned in the PEX Data register */ + pex_data = reg_read(PEX_CFG_DATA_REG(pex_if)); + + DEBUG_INIT_FULL_C(" --> ", pex_data, 4); + + return pex_data; +} + +/* + * pex_local_bus_num_set - Set PEX interface local bus number. + * + * DESCRIPTION: + * This function sets given PEX interface its local bus number. + * Note: In case the PEX interface is PEX-X, the information is read-only. + * + * INPUT: + * pex_if - PEX interface number. + * bus_num - Bus number. + * + * OUTPUT: + * None. + * + * RETURN: + * MV_NOT_ALLOWED in case PEX interface is PEX-X. + * MV_BAD_PARAM on bad parameters , + * otherwise MV_OK + * + */ +int pex_local_bus_num_set(u32 pex_if, u32 bus_num) +{ + u32 val; + + if (bus_num >= MAX_PEX_BUSSES) { + DEBUG_INIT_C("pex_local_bus_num_set: ERR. bus number illigal %d\n", + bus_num, 4); + return MV_ERROR; + } + + val = reg_read(PEX_STATUS_REG(pex_if)); + val &= ~PXSR_PEX_BUS_NUM_MASK; + val |= (bus_num << PXSR_PEX_BUS_NUM_OFFS) & PXSR_PEX_BUS_NUM_MASK; + reg_write(PEX_STATUS_REG(pex_if), val); + + return MV_OK; +} + +/* + * pex_local_dev_num_set - Set PEX interface local device number. + * + * DESCRIPTION: + * This function sets given PEX interface its local device number. + * Note: In case the PEX interface is PEX-X, the information is read-only. + * + * INPUT: + * pex_if - PEX interface number. + * dev_num - Device number. + * + * OUTPUT: + * None. + * + * RETURN: + * MV_NOT_ALLOWED in case PEX interface is PEX-X. + * MV_BAD_PARAM on bad parameters , + * otherwise MV_OK + * + */ +int pex_local_dev_num_set(u32 pex_if, u32 dev_num) +{ + u32 val; + + if (pex_if >= MV_PEX_MAX_IF) + return MV_BAD_PARAM; + + val = reg_read(PEX_STATUS_REG(pex_if)); + val &= ~PXSR_PEX_DEV_NUM_MASK; + val |= (dev_num << PXSR_PEX_DEV_NUM_OFFS) & PXSR_PEX_DEV_NUM_MASK; + reg_write(PEX_STATUS_REG(pex_if), val); + + return MV_OK; +} diff --git a/arch/arm/mvebu-common/serdes/high_speed_env_spec.c b/arch/arm/mvebu-common/serdes/high_speed_env_spec.c new file mode 100644 index 0000000..115ec2c --- /dev/null +++ b/arch/arm/mvebu-common/serdes/high_speed_env_spec.c @@ -0,0 +1,185 @@ +/* + * Copyright (C) Marvell International Ltd. and its affiliates + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#include <common.h> +#include <i2c.h> +#include <spl.h> +#include <asm/io.h> +#include <asm/arch/cpu.h> +#include <asm/arch/soc.h> + +#include "high_speed_env_spec.h" + +MV_SERDES_CHANGE_M_PHY serdes_change_m_phy[] = { + /* SERDES TYPE, Low REG OFFS, Low REG VALUE, Hi REG OFS, Hi REG VALUE */ + { + /* PEX: Change of Slew Rate port0 */ + SERDES_UNIT_PEX, 0x0, + (0x0F << 16) | 0x2a21, 0x0, (0x0F << 16) | 0x2a21 + }, { + /* PEX: Change PLL BW port0 */ + SERDES_UNIT_PEX, 0x0, + (0x4F << 16) | 0x6219, 0x0, (0x4F << 16) | 0x6219 + }, { + /* SATA: Slew rate change port 0 */ + SERDES_UNIT_SATA, 0x0083C, 0x8a31, 0x0083C, 0x8a31 + }, { + /* SATA: Slew rate change port 0 */ + SERDES_UNIT_SATA, 0x00834, 0xc928, 0x00834, 0xc928 + }, { + /* SATA: Slew rate change port 0 */ + SERDES_UNIT_SATA, 0x00838, 0x30f0, 0x00838, 0x30f0 + }, { + /* SATA: Slew rate change port 0 */ + SERDES_UNIT_SATA, 0x00840, 0x30f5, 0x00840, 0x30f5 + }, { + /* SGMII: FFE setting Port0 */ + SERDES_UNIT_SGMII0, 0x00E18, 0x989F, 0x00E18, 0x989F + }, { + /* SGMII: SELMUP and SELMUF Port0 */ + SERDES_UNIT_SGMII0, 0x00E38, 0x10FA, 0x00E38, 0x10FA + }, { + /* SGMII: Amplitude new setting gen2 Port3 */ + SERDES_UNIT_SGMII0, 0x00E34, 0xC968, 0x00E34, 0xC66C + }, { + /* QSGMII: Amplitude and slew rate change */ + SERDES_UNIT_QSGMII, 0x72E34, 0xaa58, 0x72E34, 0xaa58 + }, { + /* QSGMII: SELMUP and SELMUF */ + SERDES_UNIT_QSGMII, 0x72e38, 0x10aF, 0x72e38, 0x10aF + }, { + /* QSGMII: 0x72e18 */ + SERDES_UNIT_QSGMII, 0x72e18, 0x98AC, 0x72e18, 0x98AC + }, { + /* Null terminated */ + SERDES_UNIT_UNCONNECTED, 0, 0 + } +}; + +MV_BIN_SERDES_CFG db88f78xx0_serdes_cfg[] = { + /* Z1B */ + {MV_PEX_ROOT_COMPLEX, 0x32221111, 0x11111111, + {PEX_BUS_MODE_X1, PEX_BUS_DISABLED, PEX_BUS_MODE_X4, PEX_BUS_MODE_X4}, + 0x0030, serdes_change_m_phy}, /* Default */ + {MV_PEX_ROOT_COMPLEX, 0x31211111, 0x11111111, + {PEX_BUS_MODE_X1, PEX_BUS_MODE_X1, PEX_BUS_MODE_X4, PEX_BUS_MODE_X4}, + 0x0030, serdes_change_m_phy}, /* PEX module */ + /* Z1A */ + {MV_PEX_ROOT_COMPLEX, 0x32220000, 0x00000000, + {PEX_BUS_DISABLED, PEX_BUS_DISABLED, PEX_BUS_DISABLED, + PEX_BUS_DISABLED}, 0x0030, serdes_change_m_phy}, /* Default - Z1A */ + {MV_PEX_ROOT_COMPLEX, 0x31210000, 0x00000000, + {PEX_BUS_DISABLED, PEX_BUS_MODE_X1, PEX_BUS_DISABLED, PEX_BUS_DISABLED}, + 0x0030, serdes_change_m_phy} /* PEX module - Z1A */ +}; + +MV_BIN_SERDES_CFG db88f78xx0rev2_serdes_cfg[] = { + /* A0 */ + {MV_PEX_ROOT_COMPLEX, 0x33221111, 0x11111111, + {PEX_BUS_MODE_X1, PEX_BUS_DISABLED, PEX_BUS_MODE_X4, PEX_BUS_MODE_X4}, + 0x0030, serdes_change_m_phy}, /* Default: No Pex module, PEX0 x1, disabled */ + {MV_PEX_ROOT_COMPLEX, 0x33211111, 0x11111111, + {PEX_BUS_MODE_X1, PEX_BUS_MODE_X1, PEX_BUS_MODE_X4, PEX_BUS_MODE_X4}, + 0x0030, serdes_change_m_phy}, /* Pex module, PEX0 x1, PEX1 x1 */ + {MV_PEX_ROOT_COMPLEX, 0x33221111, 0x11111111, + {PEX_BUS_MODE_X4, PEX_BUS_DISABLED, PEX_BUS_MODE_X4, PEX_BUS_MODE_X4}, + 0x0030, serdes_change_m_phy}, /* no Pex module, PEX0 x4, PEX1 disabled */ + {MV_PEX_ROOT_COMPLEX, 0x33211111, 0x11111111, + {PEX_BUS_MODE_X4, PEX_BUS_MODE_X1, PEX_BUS_MODE_X4, PEX_BUS_MODE_X4}, + 0x0030, serdes_change_m_phy}, /* Pex module, PEX0 x4, PEX1 x1 */ + {MV_PEX_ROOT_COMPLEX, 0x11111111, 0x11111111, + {PEX_BUS_MODE_X1, PEX_BUS_MODE_X4, PEX_BUS_MODE_X4, PEX_BUS_MODE_X4}, + 0x0030, serdes_change_m_phy}, /* Pex module, PEX0 x1, PEX1 x4 */ + {MV_PEX_ROOT_COMPLEX, 0x11111111, 0x11111111, + {PEX_BUS_MODE_X4, PEX_BUS_MODE_X4, PEX_BUS_MODE_X4, PEX_BUS_MODE_X4}, + 0x0030, serdes_change_m_phy}, /* Pex module, PEX0 x4, PEX1 x4 */ +}; + +MV_BIN_SERDES_CFG rd78460nas_serdes_cfg[] = { + {MV_PEX_ROOT_COMPLEX, 0x00223001, 0x11111111, + {PEX_BUS_MODE_X1, PEX_BUS_DISABLED, PEX_BUS_MODE_X4, PEX_BUS_MODE_X4}, + 0x0030, serdes_change_m_phy}, /* Default */ + {MV_PEX_ROOT_COMPLEX, 0x33320201, 0x11111111, + {PEX_BUS_MODE_X1, PEX_BUS_DISABLED, PEX_BUS_MODE_X4, PEX_BUS_MODE_X4}, + 0x00f4, serdes_change_m_phy}, /* Switch module */ +}; + +MV_BIN_SERDES_CFG rd78460_serdes_cfg[] = { + {MV_PEX_ROOT_COMPLEX, 0x22321111, 0x00000000, + {PEX_BUS_MODE_X4, PEX_BUS_DISABLED, PEX_BUS_DISABLED, PEX_BUS_DISABLED}, + 0x0010, serdes_change_m_phy}, /* CPU0 */ + {MV_PEX_ROOT_COMPLEX, 0x00321111, 0x00000000, + {PEX_BUS_MODE_X4, PEX_BUS_DISABLED, PEX_BUS_DISABLED, PEX_BUS_DISABLED}, + 0x0010, serdes_change_m_phy} /* CPU1-3 */ +}; + +MV_BIN_SERDES_CFG rd78460server_rev2_serdes_cfg[] = { + {MV_PEX_ROOT_COMPLEX, 0x00321111, 0x00000000, + {PEX_BUS_MODE_X4, PEX_BUS_DISABLED, PEX_BUS_DISABLED, PEX_BUS_DISABLED}, + 0x0010, serdes_change_m_phy}, /* CPU0 */ + {MV_PEX_ROOT_COMPLEX, 0x00321111, 0x00000000, + {PEX_BUS_MODE_X4, PEX_BUS_DISABLED, PEX_BUS_DISABLED, PEX_BUS_DISABLED}, + 0x0010, serdes_change_m_phy} /* CPU1-3 */ +}; + +MV_BIN_SERDES_CFG db78X60pcac_serdes_cfg[] = { + {MV_PEX_END_POINT, 0x22321111, 0x00000000, + {PEX_BUS_MODE_X4, PEX_BUS_DISABLED, PEX_BUS_DISABLED, PEX_BUS_DISABLED}, + 0x0010, serdes_change_m_phy} /* Default */ +}; + +MV_BIN_SERDES_CFG db78X60pcacrev2_serdes_cfg[] = { + {MV_PEX_END_POINT, 0x23321111, 0x00000000, + {PEX_BUS_MODE_X4, PEX_BUS_DISABLED, PEX_BUS_DISABLED, PEX_BUS_DISABLED}, + 0x0010, serdes_change_m_phy} /* Default */ +}; + +MV_BIN_SERDES_CFG fpga88f78xx0_serdes_cfg[] = { + {MV_PEX_ROOT_COMPLEX, 0x00000000, 0x00000000, + {PEX_BUS_DISABLED, PEX_BUS_DISABLED, PEX_BUS_DISABLED, PEX_BUS_DISABLED}, + 0x0000, serdes_change_m_phy} /* No PEX in FPGA */ +}; + +MV_BIN_SERDES_CFG db78X60amc_serdes_cfg[] = { + {MV_PEX_ROOT_COMPLEX, 0x33111111, 0x00010001, + {PEX_BUS_MODE_X4, PEX_BUS_MODE_X1, PEX_BUS_MODE_X1, PEX_BUS_MODE_X1}, + 0x0030, serdes_change_m_phy} /* Default */ +}; + +/* + * ARMADA-XP CUSTOMER BOARD + */ +MV_BIN_SERDES_CFG rd78460customer_serdes_cfg[] = { + {MV_PEX_ROOT_COMPLEX, 0x00223001, 0x11111111, + {PEX_BUS_MODE_X1, PEX_BUS_DISABLED, PEX_BUS_MODE_X4, PEX_BUS_MODE_X4}, + 0x00000030, serdes_change_m_phy}, /* Default */ + {MV_PEX_ROOT_COMPLEX, 0x33320201, 0x11111111, + {PEX_BUS_MODE_X1, PEX_BUS_DISABLED, PEX_BUS_MODE_X4, PEX_BUS_MODE_X4}, + 0x00000030, serdes_change_m_phy}, /* Switch module */ +}; + +MV_BIN_SERDES_CFG rd78460AXP_GP_serdes_cfg[] = { + {MV_PEX_ROOT_COMPLEX, 0x00223001, 0x11111111, + {PEX_BUS_MODE_X1, PEX_BUS_DISABLED, PEX_BUS_MODE_X4, PEX_BUS_MODE_X4}, + 0x0030, serdes_change_m_phy} /* Default */ +}; + +MV_BIN_SERDES_CFG *serdes_info_tbl[] = { + db88f78xx0_serdes_cfg, + rd78460_serdes_cfg, + db78X60pcac_serdes_cfg, + fpga88f78xx0_serdes_cfg, + db88f78xx0rev2_serdes_cfg, + rd78460nas_serdes_cfg, + db78X60amc_serdes_cfg, + db78X60pcacrev2_serdes_cfg, + rd78460server_rev2_serdes_cfg, + rd78460AXP_GP_serdes_cfg, + rd78460customer_serdes_cfg +}; + +u8 rd78460gp_twsi_dev[] = { 0x4C, 0x4D, 0x4E }; +u8 db88f78xx0rev2_twsi_dev[] = { 0x4C, 0x4D, 0x4E, 0x4F }; diff --git a/arch/arm/mvebu-common/serdes/high_speed_env_spec.h b/arch/arm/mvebu-common/serdes/high_speed_env_spec.h new file mode 100644 index 0000000..e5aa1b0 --- /dev/null +++ b/arch/arm/mvebu-common/serdes/high_speed_env_spec.h @@ -0,0 +1,87 @@ +/* + * Copyright (C) Marvell International Ltd. and its affiliates + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#ifndef __HIGHSPEED_ENV_SPEC_H +#define __HIGHSPEED_ENV_SPEC_H + +#include "../../../drivers/ddr/mvebu/ddr3_hw_training.h" + +typedef enum { + SERDES_UNIT_UNCONNECTED = 0x0, + SERDES_UNIT_PEX = 0x1, + SERDES_UNIT_SATA = 0x2, + SERDES_UNIT_SGMII0 = 0x3, + SERDES_UNIT_SGMII1 = 0x4, + SERDES_UNIT_SGMII2 = 0x5, + SERDES_UNIT_SGMII3 = 0x6, + SERDES_UNIT_QSGMII = 0x7, + SERDES_UNIT_SETM = 0x8, + SERDES_LAST_UNIT +} MV_BIN_SERDES_UNIT_INDX; + + +typedef enum { + PEX_BUS_DISABLED = 0, + PEX_BUS_MODE_X1 = 1, + PEX_BUS_MODE_X4 = 2, + PEX_BUS_MODE_X8 = 3 +} MV_PEX_UNIT_CFG; + +typedef enum pex_type { + MV_PEX_ROOT_COMPLEX, /* root complex device */ + MV_PEX_END_POINT /* end point device */ +} MV_PEX_TYPE; + +typedef struct serdes_change_m_phy { + MV_BIN_SERDES_UNIT_INDX type; + u32 reg_low_speed; + u32 val_low_speed; + u32 reg_hi_speed; + u32 val_hi_speed; +} MV_SERDES_CHANGE_M_PHY; + +/* + * Configuration per SERDES line. Each nibble is MV_SERDES_LINE_TYPE + */ +typedef struct board_serdes_conf { + MV_PEX_TYPE pex_type; /* MV_PEX_ROOT_COMPLEX MV_PEX_END_POINT */ + u32 line0_7; /* Lines 0 to 7 SERDES MUX one nibble per line */ + u32 line8_15; /* Lines 8 to 15 SERDES MUX one nibble per line */ + MV_PEX_UNIT_CFG pex_mode[4]; + + /* + * Bus speed - one bit per SERDES line: + * Low speed (0) High speed (1) + * PEX 2.5 G (10 bit) 5 G (20 bit) + * SATA 1.5 G 3 G + * SGMII 1.25 Gbps 3.125 Gbps + */ + u32 bus_speed; + + MV_SERDES_CHANGE_M_PHY *serdes_m_phy_change; +} MV_BIN_SERDES_CFG; + + +#define BIN_SERDES_CFG { \ + {0, 1, -1 , -1, -1, -1, -1, -1, -1}, /* Lane 0 */ \ + {0, 1, -1 , -1, -1, -1, -1, -1, 2}, /* Lane 1 */ \ + {0, 1, -1 , 2, -1, -1, -1, -1, 3}, /* Lane 2 */ \ + {0, 1, -1 , -1, 2, -1, -1, 3, -1}, /* Lane 3 */ \ + {0, 1, 2 , -1, -1, 3, -1, -1, 4}, /* Lane 4 */ \ + {0, 1, 2 , -1, 3, -1, -1, 4, -1}, /* Lane 5 */ \ + {0, 1, 2 , 4, -1, 3, -1, -1, -1}, /* Lane 6 */ \ + {0, 1, -1 , 2, -1, -1, 3, -1, 4}, /* Lane 7*/ \ + {0, 1, -1 , -1, -1, -1, -1, -1, -1}, /* Lane 8 */ \ + {0, 1, -1 , -1, -1, -1, -1, -1, -1}, /* Lane 9 */ \ + {0, 1, -1 , -1, -1, -1, -1, -1, -1}, /* Lane 10 */ \ + {0, 1, -1 , -1, -1, -1, -1, -1, -1}, /* Lane 11 */ \ + {0, 1, -1 , -1, -1, -1, -1, -1, -1}, /* Lane 12 */ \ + {0, 1, -1 , -1, -1, -1, -1, -1, -1}, /* Lane 13 */ \ + {0, 1, -1 , -1, -1, -1, -1, -1, -1}, /* Lane 14 */ \ + {0, 1, -1 , -1, -1, -1, -1, -1, -1}, /* Lane 15 */ \ +} + +#endif /* __HIGHSPEED_ENV_SPEC_H */ diff --git a/arch/arm/mvebu-common/u-boot-spl.lds b/arch/arm/mvebu-common/u-boot-spl.lds new file mode 100644 index 0000000..eee1db4 --- /dev/null +++ b/arch/arm/mvebu-common/u-boot-spl.lds @@ -0,0 +1,57 @@ +/* + * (C) Copyright 2002 + * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de> + * + * (C) Copyright 2010 + * Texas Instruments, <www.ti.com> + * Aneesh V <aneesh@ti.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +MEMORY { .sram : ORIGIN = CONFIG_SPL_TEXT_BASE,\ + LENGTH = CONFIG_SPL_MAX_SIZE } +MEMORY { .sdram : ORIGIN = CONFIG_SPL_BSS_START_ADDR, \ + LENGTH = CONFIG_SPL_BSS_MAX_SIZE } + +OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") +OUTPUT_ARCH(arm) +ENTRY(_start) +SECTIONS +{ + .text : + { + __start = .; + arch/arm/cpu/armv7/start.o (.text*) + *(.text*) + *(.vectors) + } >.sram + + . = ALIGN(4); + .rodata : { *(SORT_BY_ALIGNMENT(.rodata*)) } >.sram + + . = ALIGN(4); + .data : { *(SORT_BY_ALIGNMENT(.data*)) } >.sram + + . = ALIGN(4); + .u_boot_list : { + KEEP(*(SORT(.u_boot_list*_i2c_*))); + } >.sram + + . = ALIGN(4); + __image_copy_end = .; + + .end : + { + *(.__end) + } + + .bss : + { + . = ALIGN(4); + __bss_start = .; + *(.bss*) + . = ALIGN(4); + __bss_end = .; + } >.sdram +} diff --git a/board/Marvell/db-mv784mp-gp/binary.0 b/board/Marvell/db-mv784mp-gp/binary.0 deleted file mode 100644 index 17bfad9..0000000 --- a/board/Marvell/db-mv784mp-gp/binary.0 +++ /dev/null @@ -1,17 +0,0 @@ --------- -WARNING: --------- -This file should contain the bin_hdr generated by the original Marvell -U-Boot implementation. As this is currently not included in this -U-Boot version, we have added this placeholder, so that the U-Boot -image can be generated without errors. - -If you have a known to be working bin_hdr for your board, then you -just need to replace this text file here with the binary header -and recompile U-Boot. - -In a few weeks, mainline U-Boot will get support to generate the -bin_hdr with the DDR training code itself. By implementing this code -as SPL U-Boot. Then this file will not be needed any more and will -get removed. - diff --git a/board/Marvell/db-mv784mp-gp/kwbimage.cfg b/board/Marvell/db-mv784mp-gp/kwbimage.cfg index d7ef407..cc05792 100644 --- a/board/Marvell/db-mv784mp-gp/kwbimage.cfg +++ b/board/Marvell/db-mv784mp-gp/kwbimage.cfg @@ -9,4 +9,4 @@ VERSION 1 BOOT_FROM spi # Binary Header (bin_hdr) with DDR3 training code -BINARY board/Marvell/db-mv784mp-gp/binary.0 0000005b 00000068 +BINARY spl/u-boot-spl.bin 0000005b 00000068 diff --git a/board/maxbcm/binary.0 b/board/maxbcm/binary.0 deleted file mode 100644 index 17bfad9..0000000 --- a/board/maxbcm/binary.0 +++ /dev/null @@ -1,17 +0,0 @@ --------- -WARNING: --------- -This file should contain the bin_hdr generated by the original Marvell -U-Boot implementation. As this is currently not included in this -U-Boot version, we have added this placeholder, so that the U-Boot -image can be generated without errors. - -If you have a known to be working bin_hdr for your board, then you -just need to replace this text file here with the binary header -and recompile U-Boot. - -In a few weeks, mainline U-Boot will get support to generate the -bin_hdr with the DDR training code itself. By implementing this code -as SPL U-Boot. Then this file will not be needed any more and will -get removed. - diff --git a/board/maxbcm/kwbimage.cfg b/board/maxbcm/kwbimage.cfg index 5a3bc67..cc05792 100644 --- a/board/maxbcm/kwbimage.cfg +++ b/board/maxbcm/kwbimage.cfg @@ -9,4 +9,4 @@ VERSION 1 BOOT_FROM spi # Binary Header (bin_hdr) with DDR3 training code -BINARY board/maxbcm/binary.0 0000005b 00000068 +BINARY spl/u-boot-spl.bin 0000005b 00000068 diff --git a/board/maxbcm/maxbcm.c b/board/maxbcm/maxbcm.c index 7fc83ee..46b16ac 100644 --- a/board/maxbcm/maxbcm.c +++ b/board/maxbcm/maxbcm.c @@ -11,6 +11,9 @@ #include <asm/arch/soc.h> #include <linux/mbus.h> +#include "../drivers/ddr/mvebu/ddr3_hw_training.h" +#include "../arch/arm/mvebu-common/serdes/high_speed_env_spec.h" + DECLARE_GLOBAL_DATA_PTR; /* Base addresses for the external device chip selects */ @@ -19,8 +22,84 @@ DECLARE_GLOBAL_DATA_PTR; #define DEV_CS2_BASE 0xe2000000 #define DEV_CS3_BASE 0xe3000000 -/* Needed for dynamic (board-specific) mbus configuration */ -extern struct mvebu_mbus_state mbus_state; +/* DDR3 static configuration */ +MV_DRAM_MC_INIT ddr3_b0_maxbcm[MV_MAX_DDR3_STATIC_SIZE] = { + {0x00001400, 0x7301CC30}, /* DDR SDRAM Configuration Register */ + {0x00001404, 0x30000820}, /* Dunit Control Low Register */ + {0x00001408, 0x5515BAAB}, /* DDR SDRAM Timing (Low) Register */ + {0x0000140C, 0x38DA3F97}, /* DDR SDRAM Timing (High) Register */ + {0x00001410, 0x20100005}, /* DDR SDRAM Address Control Register */ + {0x00001414, 0x0000F3FF}, /* DDR SDRAM Open Pages Control Reg */ + {0x00001418, 0x00000e00}, /* DDR SDRAM Operation Register */ + {0x0000141C, 0x00000672}, /* DDR SDRAM Mode Register */ + {0x00001420, 0x00000004}, /* DDR SDRAM Extended Mode Register */ + {0x00001424, 0x0000F3FF}, /* Dunit Control High Register */ + {0x00001428, 0x0011A940}, /* Dunit Control High Register */ + {0x0000142C, 0x014C5134}, /* Dunit Control High Register */ + {0x0000147C, 0x0000D771}, + + {0x00001494, 0x00010000}, /* DDR SDRAM ODT Control (Low) Reg */ + {0x0000149C, 0x00000001}, /* DDR Dunit ODT Control Register */ + {0x000014A0, 0x00000001}, + {0x000014A8, 0x00000101}, + + /* Recommended Settings from Marvell for 4 x 16 bit devices: */ + {0x000014C0, 0x192424C9}, /* DRAM addr and Ctrl Driving Strenght*/ + {0x000014C4, 0xAAA24C9}, /* DRAM Data and DQS Driving Strenght */ + + /* + * DO NOT Modify - Open Mbus Window - 2G - Mbus is required for the + * training sequence + */ + {0x000200e8, 0x3FFF0E01}, + {0x00020184, 0x3FFFFFE0}, /* Close fast path Window to - 2G */ + + {0x0001504, 0x3FFFFFE1}, /* CS0 Size */ + {0x000150C, 0x00000000}, /* CS1 Size */ + {0x0001514, 0x00000000}, /* CS2 Size */ + {0x000151C, 0x00000000}, /* CS3 Size */ + + {0x0020220, 0x00000007}, /* Reserved */ + + {0x00001538, 0x0000000B}, /* Read Data Sample Delays Register */ + {0x0000153C, 0x0000000B}, /* Read Data Ready Delay Register */ + + {0x000015D0, 0x00000670}, /* MR0 */ + {0x000015D4, 0x00000044}, /* MR1 */ + {0x000015D8, 0x00000018}, /* MR2 */ + {0x000015DC, 0x00000000}, /* MR3 */ + {0x000015E0, 0x00000001}, + {0x000015E4, 0x00203c18}, /* ZQDS Configuration Register */ + {0x000015EC, 0xF800A225}, /* DDR PHY */ + + {0x0, 0x0} +}; + +MV_DRAM_MODES maxbcm_ddr_modes[MV_DDR3_MODES_NUMBER] = { + {"maxbcm_1600-800", 0xB, 0x5, 0x0, A0, ddr3_b0_maxbcm, NULL}, +}; + +extern MV_SERDES_CHANGE_M_PHY serdes_change_m_phy[]; + +/* MAXBCM: SERDES 0-4 PCIE, Serdes 7 = SGMII 0, all others = unconnected */ +MV_BIN_SERDES_CFG maxbcm_serdes_cfg[] = { + { MV_PEX_ROOT_COMPLEX, 0x20011111, 0x00000000, + { PEX_BUS_MODE_X1, PEX_BUS_MODE_X1, PEX_BUS_DISABLED, + PEX_BUS_DISABLED }, + 0x1f, serdes_change_m_phy + } +}; + +MV_DRAM_MODES *ddr3_get_static_ddr_mode(void) +{ + /* Only one mode supported for this board */ + return &maxbcm_ddr_modes[0]; +} + +MV_BIN_SERDES_CFG *board_serdes_cfg_get(u8 pex_mode) +{ + return &maxbcm_serdes_cfg[0]; +} int board_early_init_f(void) { @@ -63,9 +142,7 @@ int checkboard(void) /* Configure and enable MV88E6185 switch */ void reset_phy(void) { - u16 devadr = CONFIG_PHY_BASE_ADDR; char *name = "neta0"; - u16 reg; if (miiphy_set_current_dev(name)) return; diff --git a/configs/db-mv784mp-gp_defconfig b/configs/db-mv784mp-gp_defconfig index 7aa216c..a7f13e2 100644 --- a/configs/db-mv784mp-gp_defconfig +++ b/configs/db-mv784mp-gp_defconfig @@ -1,2 +1,3 @@ -CONFIG_ARM=y -CONFIG_TARGET_DB_MV784MP_GP=y +CONFIG_SPL=y ++S:CONFIG_ARM=y ++S:CONFIG_TARGET_DB_MV784MP_GP=y diff --git a/configs/maxbcm_defconfig b/configs/maxbcm_defconfig index 4bcffd8..219586a 100644 --- a/configs/maxbcm_defconfig +++ b/configs/maxbcm_defconfig @@ -1,2 +1,3 @@ -CONFIG_ARM=y -CONFIG_TARGET_MAXBCM=y +CONFIG_SPL=y ++S:CONFIG_ARM=y ++S:CONFIG_TARGET_MAXBCM=y diff --git a/drivers/ddr/mvebu/Makefile b/drivers/ddr/mvebu/Makefile new file mode 100644 index 0000000..50a69ea --- /dev/null +++ b/drivers/ddr/mvebu/Makefile @@ -0,0 +1,14 @@ +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-$(CONFIG_SPL_BUILD) += ddr3_dfs.o +obj-$(CONFIG_SPL_BUILD) += ddr3_dqs.o +obj-$(CONFIG_SPL_BUILD) += ddr3_hw_training.o +obj-$(CONFIG_SPL_BUILD) += ddr3_init.o +obj-$(CONFIG_SPL_BUILD) += ddr3_pbs.o +obj-$(CONFIG_SPL_BUILD) += ddr3_read_leveling.o +obj-$(CONFIG_SPL_BUILD) += ddr3_sdram.o +obj-$(CONFIG_SPL_BUILD) += ddr3_spd.o +obj-$(CONFIG_SPL_BUILD) += ddr3_write_leveling.o +obj-$(CONFIG_SPL_BUILD) += xor.o diff --git a/drivers/ddr/mvebu/ddr3_axp.h b/drivers/ddr/mvebu/ddr3_axp.h new file mode 100644 index 0000000..bf65f6b --- /dev/null +++ b/drivers/ddr/mvebu/ddr3_axp.h @@ -0,0 +1,510 @@ +/* + * Copyright (C) Marvell International Ltd. and its affiliates + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#ifndef __DDR3_AXP_H +#define __DDR3_AXP_H + +#define MV_78XX0_Z1_REV 0x0 +#define MV_78XX0_A0_REV 0x1 +#define MV_78XX0_B0_REV 0x2 + +#define SAR_DDR3_FREQ_MASK 0xFE00000 +#define SAR_CPU_FAB_GET(cpu, fab) (((cpu & 0x7) << 21) | ((fab & 0xF) << 24)) + +#define MAX_CS 4 + +#define MIN_DIMM_ADDR 0x50 +#define FAR_END_DIMM_ADDR 0x50 +#define MAX_DIMM_ADDR 0x60 + +#ifndef CONFIG_DDR_FIXED_SIZE +#define SDRAM_CS_SIZE 0xFFFFFFF +#else +#define SDRAM_CS_SIZE (CONFIG_DDR_FIXED_SIZE - 1) +#endif +#define SDRAM_CS_BASE 0x0 +#define SDRAM_DIMM_SIZE 0x80000000 + +#define CPU_CONFIGURATION_REG(id) (0x21800 + (id * 0x100)) +#define CPU_MRVL_ID_OFFSET 0x10 +#define SAR1_CPU_CORE_MASK 0x00000018 +#define SAR1_CPU_CORE_OFFSET 3 + +#define ECC_SUPPORT +#define NEW_FABRIC_TWSI_ADDR 0x4E +#ifdef DB_784MP_GP +#define BUS_WIDTH_ECC_TWSI_ADDR 0x4E +#else +#define BUS_WIDTH_ECC_TWSI_ADDR 0x4F +#endif +#define MV_MAX_DDR3_STATIC_SIZE 50 +#define MV_DDR3_MODES_NUMBER 30 + +#define RESUME_RL_PATTERNS_ADDR (0xFE0000) +#define RESUME_RL_PATTERNS_SIZE (0x100) +#define RESUME_TRAINING_VALUES_ADDR (RESUME_RL_PATTERNS_ADDR + RESUME_RL_PATTERNS_SIZE) +#define RESUME_TRAINING_VALUES_MAX (0xCD0) +#define BOOT_INFO_ADDR (RESUME_RL_PATTERNS_ADDR + 0x1000) +#define CHECKSUM_RESULT_ADDR (BOOT_INFO_ADDR + 0x1000) +#define NUM_OF_REGISTER_ADDR (CHECKSUM_RESULT_ADDR + 4) +#define SUSPEND_MAGIC_WORD (0xDEADB002) +#define REGISTER_LIST_END (0xFFFFFFFF) + +/* + * Registers offset + */ + +#define REG_SAMPLE_RESET_LOW_ADDR 0x18230 +#define REG_SAMPLE_RESET_HIGH_ADDR 0x18234 +#define REG_SAMPLE_RESET_CPU_FREQ_OFFS 21 +#define REG_SAMPLE_RESET_CPU_FREQ_MASK 0x00E00000 +#define REG_SAMPLE_RESET_FAB_OFFS 24 +#define REG_SAMPLE_RESET_FAB_MASK 0xF000000 +#define REG_SAMPLE_RESET_TCLK_OFFS 28 +#define REG_SAMPLE_RESET_CPU_ARCH_OFFS 31 +#define REG_SAMPLE_RESET_HIGH_CPU_FREQ_OFFS 20 + +/* MISC */ +/* + * In mainline U-Boot we're re-configuring the mvebu base address + * register to 0xf1000000. So need to use this value for the DDR + * training code as well. + */ +#define INTER_REGS_BASE SOC_REGS_PHY_BASE + +/* DDR */ +#define REG_SDRAM_CONFIG_ADDR 0x1400 +#define REG_SDRAM_CONFIG_MASK 0x9FFFFFFF +#define REG_SDRAM_CONFIG_RFRS_MASK 0x3FFF +#define REG_SDRAM_CONFIG_WIDTH_OFFS 15 +#define REG_SDRAM_CONFIG_REGDIMM_OFFS 17 +#define REG_SDRAM_CONFIG_ECC_OFFS 18 +#define REG_SDRAM_CONFIG_IERR_OFFS 19 +#define REG_SDRAM_CONFIG_PUPRSTDIV_OFFS 28 +#define REG_SDRAM_CONFIG_RSTRD_OFFS 30 + +#define REG_DUNIT_CTRL_LOW_ADDR 0x1404 +#define REG_DUNIT_CTRL_LOW_2T_OFFS 3 +#define REG_DUNIT_CTRL_LOW_2T_MASK 0x3 +#define REG_DUNIT_CTRL_LOW_DPDE_OFFS 14 + +#define REG_SDRAM_TIMING_LOW_ADDR 0x1408 + +#define REG_SDRAM_TIMING_HIGH_ADDR 0x140C +#define REG_SDRAM_TIMING_H_R2R_OFFS 7 +#define REG_SDRAM_TIMING_H_R2R_MASK 0x3 +#define REG_SDRAM_TIMING_H_R2W_W2R_OFFS 9 +#define REG_SDRAM_TIMING_H_R2W_W2R_MASK 0x3 +#define REG_SDRAM_TIMING_H_W2W_OFFS 11 +#define REG_SDRAM_TIMING_H_W2W_MASK 0x1F +#define REG_SDRAM_TIMING_H_R2R_H_OFFS 19 +#define REG_SDRAM_TIMING_H_R2R_H_MASK 0x7 +#define REG_SDRAM_TIMING_H_R2W_W2R_H_OFFS 22 +#define REG_SDRAM_TIMING_H_R2W_W2R_H_MASK 0x7 + +#define REG_SDRAM_ADDRESS_CTRL_ADDR 0x1410 +#define REG_SDRAM_ADDRESS_SIZE_OFFS 2 +#define REG_SDRAM_ADDRESS_SIZE_HIGH_OFFS 18 +#define REG_SDRAM_ADDRESS_CTRL_STRUCT_OFFS 4 + +#define REG_SDRAM_OPEN_PAGES_ADDR 0x1414 +#define REG_SDRAM_OPERATION_CS_OFFS 8 + +#define REG_SDRAM_OPERATION_ADDR 0x1418 +#define REG_SDRAM_OPERATION_CWA_DELAY_SEL_OFFS 24 +#define REG_SDRAM_OPERATION_CWA_DATA_OFFS 20 +#define REG_SDRAM_OPERATION_CWA_DATA_MASK 0xF +#define REG_SDRAM_OPERATION_CWA_RC_OFFS 16 +#define REG_SDRAM_OPERATION_CWA_RC_MASK 0xF +#define REG_SDRAM_OPERATION_CMD_MR0 0xF03 +#define REG_SDRAM_OPERATION_CMD_MR1 0xF04 +#define REG_SDRAM_OPERATION_CMD_MR2 0xF08 +#define REG_SDRAM_OPERATION_CMD_MR3 0xF09 +#define REG_SDRAM_OPERATION_CMD_RFRS 0xF02 +#define REG_SDRAM_OPERATION_CMD_CWA 0xF0E +#define REG_SDRAM_OPERATION_CMD_RFRS_DONE 0xF +#define REG_SDRAM_OPERATION_CMD_MASK 0xF +#define REG_SDRAM_OPERATION_CS_OFFS 8 + +#define REG_OUDDR3_TIMING_ADDR 0x142C + +#define REG_SDRAM_MODE_ADDR 0x141C + +#define REG_SDRAM_EXT_MODE_ADDR 0x1420 + +#define REG_DDR_CONT_HIGH_ADDR 0x1424 + +#define REG_ODT_TIME_LOW_ADDR 0x1428 +#define REG_ODT_ON_CTL_RD_OFFS 12 +#define REG_ODT_OFF_CTL_RD_OFFS 16 +#define REG_SDRAM_ERROR_ADDR 0x1454 +#define REG_SDRAM_AUTO_PWR_SAVE_ADDR 0x1474 +#define REG_ODT_TIME_HIGH_ADDR 0x147C + +#define REG_SDRAM_INIT_CTRL_ADDR 0x1480 +#define REG_SDRAM_INIT_CTRL_OFFS 0 +#define REG_SDRAM_INIT_CKE_ASSERT_OFFS 2 +#define REG_SDRAM_INIT_RESET_DEASSERT_OFFS 3 + +#define REG_SDRAM_ODT_CTRL_LOW_ADDR 0x1494 + +#define REG_SDRAM_ODT_CTRL_HIGH_ADDR 0x1498 +/*#define REG_SDRAM_ODT_CTRL_HIGH_OVRD_MASK 0xFFFFFF55 */ +#define REG_SDRAM_ODT_CTRL_HIGH_OVRD_MASK 0x0 +#define REG_SDRAM_ODT_CTRL_HIGH_OVRD_ENA 0x3 + +#define REG_DUNIT_ODT_CTRL_ADDR 0x149C +#define REG_DUNIT_ODT_CTRL_OVRD_OFFS 8 +#define REG_DUNIT_ODT_CTRL_OVRD_VAL_OFFS 9 + +#define REG_DRAM_FIFO_CTRL_ADDR 0x14A0 + +#define REG_DRAM_AXI_CTRL_ADDR 0x14A8 +#define REG_DRAM_AXI_CTRL_AXIDATABUSWIDTH_OFFS 0 + +#define REG_METAL_MASK_ADDR 0x14B0 +#define REG_METAL_MASK_MASK 0xDFFFFFFF +#define REG_METAL_MASK_RETRY_OFFS 0 + +#define REG_DRAM_ADDR_CTRL_DRIVE_STRENGTH_ADDR 0x14C0 + +#define REG_DRAM_DATA_DQS_DRIVE_STRENGTH_ADDR 0x14C4 +#define REG_DRAM_VER_CAL_MACHINE_CTRL_ADDR 0x14c8 +#define REG_DRAM_MAIN_PADS_CAL_ADDR 0x14CC + +#define REG_DRAM_HOR_CAL_MACHINE_CTRL_ADDR 0x17c8 + +#define REG_CS_SIZE_SCRATCH_ADDR 0x1504 +#define REG_DYNAMIC_POWER_SAVE_ADDR 0x1520 +#define REG_DDR_IO_ADDR 0x1524 +#define REG_DDR_IO_CLK_RATIO_OFFS 15 + +#define REG_DFS_ADDR 0x1528 +#define REG_DFS_DLLNEXTSTATE_OFFS 0 +#define REG_DFS_BLOCK_OFFS 1 +#define REG_DFS_SR_OFFS 2 +#define REG_DFS_ATSR_OFFS 3 +#define REG_DFS_RECONF_OFFS 4 +#define REG_DFS_CL_NEXT_STATE_OFFS 8 +#define REG_DFS_CL_NEXT_STATE_MASK 0xF +#define REG_DFS_CWL_NEXT_STATE_OFFS 12 +#define REG_DFS_CWL_NEXT_STATE_MASK 0x7 + +#define REG_READ_DATA_SAMPLE_DELAYS_ADDR 0x1538 +#define REG_READ_DATA_SAMPLE_DELAYS_MASK 0x1F +#define REG_READ_DATA_SAMPLE_DELAYS_OFFS 8 + +#define REG_READ_DATA_READY_DELAYS_ADDR 0x153C +#define REG_READ_DATA_READY_DELAYS_MASK 0x1F +#define REG_READ_DATA_READY_DELAYS_OFFS 8 + +#define START_BURST_IN_ADDR 1 + +#define REG_DRAM_TRAINING_SHADOW_ADDR 0x18488 +#define REG_DRAM_TRAINING_ADDR 0x15B0 +#define REG_DRAM_TRAINING_LOW_FREQ_OFFS 0 +#define REG_DRAM_TRAINING_PATTERNS_OFFS 4 +#define REG_DRAM_TRAINING_MED_FREQ_OFFS 2 +#define REG_DRAM_TRAINING_WL_OFFS 3 +#define REG_DRAM_TRAINING_RL_OFFS 6 +#define REG_DRAM_TRAINING_DQS_RX_OFFS 15 +#define REG_DRAM_TRAINING_DQS_TX_OFFS 16 +#define REG_DRAM_TRAINING_CS_OFFS 20 +#define REG_DRAM_TRAINING_RETEST_OFFS 24 +#define REG_DRAM_TRAINING_DFS_FREQ_OFFS 27 +#define REG_DRAM_TRAINING_DFS_REQ_OFFS 29 +#define REG_DRAM_TRAINING_ERROR_OFFS 30 +#define REG_DRAM_TRAINING_AUTO_OFFS 31 +#define REG_DRAM_TRAINING_RETEST_PAR 0x3 +#define REG_DRAM_TRAINING_RETEST_MASK 0xF8FFFFFF +#define REG_DRAM_TRAINING_CS_MASK 0xFF0FFFFF +#define REG_DRAM_TRAINING_PATTERNS_MASK 0xFF0F0000 + +#define REG_DRAM_TRAINING_1_ADDR 0x15B4 +#define REG_DRAM_TRAINING_1_TRNBPOINT_OFFS 16 + +#define REG_DRAM_TRAINING_2_ADDR 0x15B8 +#define REG_DRAM_TRAINING_2_OVERRUN_OFFS 17 +#define REG_DRAM_TRAINING_2_FIFO_RST_OFFS 4 +#define REG_DRAM_TRAINING_2_RL_MODE_OFFS 3 +#define REG_DRAM_TRAINING_2_WL_MODE_OFFS 2 +#define REG_DRAM_TRAINING_2_ECC_MUX_OFFS 1 +#define REG_DRAM_TRAINING_2_SW_OVRD_OFFS 0 + +#define REG_DRAM_TRAINING_PATTERN_BASE_ADDR 0x15BC +#define REG_DRAM_TRAINING_PATTERN_BASE_OFFS 3 + +#define REG_TRAINING_DEBUG_2_ADDR 0x15C4 +#define REG_TRAINING_DEBUG_2_OFFS 16 +#define REG_TRAINING_DEBUG_2_MASK 0x3 + +#define REG_TRAINING_DEBUG_3_ADDR 0x15C8 +#define REG_TRAINING_DEBUG_3_OFFS 3 +#define REG_TRAINING_DEBUG_3_MASK 0x7 + +#define MR_CS_ADDR_OFFS 4 + +#define REG_DDR3_MR0_ADDR 0x15D0 +#define REG_DDR3_MR0_CS_ADDR 0x1870 +#define REG_DDR3_MR0_CL_MASK 0x74 +#define REG_DDR3_MR0_CL_OFFS 2 +#define REG_DDR3_MR0_CL_HIGH_OFFS 3 +#define CL_MASK 0xF + +#define REG_DDR3_MR1_ADDR 0x15D4 +#define REG_DDR3_MR1_CS_ADDR 0x1874 +#define REG_DDR3_MR1_RTT_MASK 0xFFFFFDBB +#define REG_DDR3_MR1_DLL_ENA_OFFS 0 +#define REG_DDR3_MR1_RTT_DISABLED 0x0 +#define REG_DDR3_MR1_RTT_RZQ2 0x40 +#define REG_DDR3_MR1_RTT_RZQ4 0x2 +#define REG_DDR3_MR1_RTT_RZQ6 0x42 +#define REG_DDR3_MR1_RTT_RZQ8 0x202 +#define REG_DDR3_MR1_RTT_RZQ12 0x4 +#define REG_DDR3_MR1_OUTBUF_WL_MASK 0xFFFFEF7F /* WL-disabled,OB-enabled */ +#define REG_DDR3_MR1_OUTBUF_DIS_OFFS 12 /* Output Buffer Disabled */ +#define REG_DDR3_MR1_WL_ENA_OFFS 7 +#define REG_DDR3_MR1_WL_ENA 0x80 /* WL Enabled */ +#define REG_DDR3_MR1_ODT_MASK 0xFFFFFDBB + +#define REG_DDR3_MR2_ADDR 0x15D8 +#define REG_DDR3_MR2_CS_ADDR 0x1878 +#define REG_DDR3_MR2_CWL_OFFS 3 +#define REG_DDR3_MR2_CWL_MASK 0x7 +#define REG_DDR3_MR2_ODT_MASK 0xFFFFF9FF +#define REG_DDR3_MR3_ADDR 0x15DC +#define REG_DDR3_MR3_CS_ADDR 0x187C + +#define REG_DDR3_RANK_CTRL_ADDR 0x15E0 +#define REG_DDR3_RANK_CTRL_CS_ENA_MASK 0xF +#define REG_DDR3_RANK_CTRL_MIRROR_OFFS 4 + +#define REG_ZQC_CONF_ADDR 0x15E4 + +#define REG_DRAM_PHY_CONFIG_ADDR 0x15EC +#define REG_DRAM_PHY_CONFIG_MASK 0x3FFFFFFF + +#define REG_ODPG_CNTRL_ADDR 0x1600 +#define REG_ODPG_CNTRL_OFFS 21 + +#define REG_PHY_LOCK_MASK_ADDR 0x1670 +#define REG_PHY_LOCK_MASK_MASK 0xFFFFF000 + +#define REG_PHY_LOCK_STATUS_ADDR 0x1674 +#define REG_PHY_LOCK_STATUS_LOCK_OFFS 9 +#define REG_PHY_LOCK_STATUS_LOCK_MASK 0xFFF +#define REG_PHY_LOCK_APLL_ADLL_STATUS_MASK 0x7FF + +#define REG_PHY_REGISTRY_FILE_ACCESS_ADDR 0x16A0 +#define REG_PHY_REGISTRY_FILE_ACCESS_OP_WR 0xC0000000 +#define REG_PHY_REGISTRY_FILE_ACCESS_OP_RD 0x80000000 +#define REG_PHY_REGISTRY_FILE_ACCESS_OP_DONE 0x80000000 +#define REG_PHY_BC_OFFS 27 +#define REG_PHY_CNTRL_OFFS 26 +#define REG_PHY_CS_OFFS 16 +#define REG_PHY_DQS_REF_DLY_OFFS 10 +#define REG_PHY_PHASE_OFFS 8 +#define REG_PHY_PUP_OFFS 22 + +#define REG_TRAINING_WL_ADDR 0x16AC +#define REG_TRAINING_WL_CS_MASK 0xFFFFFFFC +#define REG_TRAINING_WL_UPD_OFFS 2 +#define REG_TRAINING_WL_CS_DONE_OFFS 3 +#define REG_TRAINING_WL_RATIO_MASK 0xFFFFFF0F +#define REG_TRAINING_WL_1TO1 0x50 +#define REG_TRAINING_WL_2TO1 0x10 +#define REG_TRAINING_WL_DELAYEXP_MASK 0x20000000 +#define REG_TRAINING_WL_RESULTS_MASK 0x000001FF +#define REG_TRAINING_WL_RESULTS_OFFS 20 + +#define REG_REGISTERED_DRAM_CTRL_ADDR 0x16D0 +#define REG_REGISTERED_DRAM_CTRL_SR_FLOAT_OFFS 15 +#define REG_REGISTERED_DRAM_CTRL_PARITY_MASK 0x3F +/* DLB*/ +#define REG_STATIC_DRAM_DLB_CONTROL 0x1700 +#define DLB_BUS_OPTIMIZATION_WEIGHTS_REG 0x1704 +#define DLB_AGING_REGISTER 0x1708 +#define DLB_EVICTION_CONTROL_REG 0x170c +#define DLB_EVICTION_TIMERS_REGISTER_REG 0x1710 + +#define DLB_ENABLE 0x1 +#define DLB_WRITE_COALESING (0x1 << 2) +#define DLB_AXI_PREFETCH_EN (0x1 << 3) +#define DLB_MBUS_PREFETCH_EN (0x1 << 4) +#define PREFETCH_NLNSZTR (0x1 << 6) + +/* CPU */ +#define REG_BOOTROM_ROUTINE_ADDR 0x182D0 +#define REG_BOOTROM_ROUTINE_DRAM_INIT_OFFS 12 + +#define REG_DRAM_INIT_CTRL_STATUS_ADDR 0x18488 +#define REG_DRAM_INIT_CTRL_TRN_CLK_OFFS 16 +#define REG_CPU_DIV_CLK_CTRL_0_NEW_RATIO 0x000200FF +#define REG_DRAM_INIT_CTRL_STATUS_2_ADDR 0x1488 + +#define REG_CPU_DIV_CLK_CTRL_0_ADDR 0x18700 + +#define REG_CPU_DIV_CLK_CTRL_1_ADDR 0x18704 +#define REG_CPU_DIV_CLK_CTRL_2_ADDR 0x18708 + +#define REG_CPU_DIV_CLK_CTRL_3_ADDR 0x1870C +#define REG_CPU_DIV_CLK_CTRL_3_FREQ_MASK 0xFFFFC0FF +#define REG_CPU_DIV_CLK_CTRL_3_FREQ_OFFS 8 + +#define REG_CPU_DIV_CLK_CTRL_4_ADDR 0x18710 + +#define REG_CPU_DIV_CLK_STATUS_0_ADDR 0x18718 +#define REG_CPU_DIV_CLK_ALL_STABLE_OFFS 8 + +#define REG_CPU_PLL_CTRL_0_ADDR 0x1871C +#define REG_CPU_PLL_STATUS_0_ADDR 0x18724 +#define REG_CORE_DIV_CLK_CTRL_ADDR 0x18740 +#define REG_CORE_DIV_CLK_STATUS_ADDR 0x18744 +#define REG_DDRPHY_APLL_CTRL_ADDR 0x18780 + +#define REG_DDRPHY_APLL_CTRL_2_ADDR 0x18784 + +#define REG_SFABRIC_CLK_CTRL_ADDR 0x20858 +#define REG_SFABRIC_CLK_CTRL_SMPL_OFFS 8 + +/* DRAM Windows */ +#define REG_XBAR_WIN_19_CTRL_ADDR 0x200e8 +#define REG_XBAR_WIN_4_CTRL_ADDR 0x20040 +#define REG_XBAR_WIN_4_BASE_ADDR 0x20044 +#define REG_XBAR_WIN_4_REMAP_ADDR 0x20048 +#define REG_FASTPATH_WIN_0_CTRL_ADDR 0x20184 +#define REG_XBAR_WIN_7_REMAP_ADDR 0x20078 + +/* SRAM */ +#define REG_CDI_CONFIG_ADDR 0x20220 +#define REG_SRAM_WINDOW_0_ADDR 0x20240 +#define REG_SRAM_WINDOW_0_ENA_OFFS 0 +#define REG_SRAM_WINDOW_1_ADDR 0x20244 +#define REG_SRAM_L2_ENA_ADDR 0x8500 +#define REG_SRAM_CLEAN_BY_WAY_ADDR 0x87BC + +/* PMU */ +#define REG_PMU_I_F_CTRL_ADDR 0x1C090 +#define REG_PMU_DUNIT_BLK_OFFS 16 +#define REG_PMU_DUNIT_RFRS_OFFS 20 +#define REG_PMU_DUNIT_ACK_OFFS 24 + +/* MBUS*/ +#define MBUS_UNITS_PRIORITY_CONTROL_REG (MV_MBUS_REGS_OFFSET + 0x420) +#define FABRIC_UNITS_PRIORITY_CONTROL_REG (MV_MBUS_REGS_OFFSET + 0x424) +#define MBUS_UNITS_PREFETCH_CONTROL_REG (MV_MBUS_REGS_OFFSET + 0x428) +#define FABRIC_UNITS_PREFETCH_CONTROL_REG (MV_MBUS_REGS_OFFSET + 0x42c) + +#define REG_PM_STAT_MASK_ADDR 0x2210C +#define REG_PM_STAT_MASK_CPU0_IDLE_MASK_OFFS 16 + +#define REG_PM_EVENT_STAT_MASK_ADDR 0x22120 +#define REG_PM_EVENT_STAT_MASK_DFS_DONE_OFFS 17 + +#define REG_PM_CTRL_CONFIG_ADDR 0x22104 +#define REG_PM_CTRL_CONFIG_DFS_REQ_OFFS 18 + +#define REG_FABRIC_LOCAL_IRQ_MASK_ADDR 0x218C4 +#define REG_FABRIC_LOCAL_IRQ_PMU_MASK_OFFS 18 + +/* Controller revision info */ +#define PCI_CLASS_CODE_AND_REVISION_ID 0x008 +#define PCCRIR_REVID_OFFS 0 /* Revision ID */ +#define PCCRIR_REVID_MASK (0xff << PCCRIR_REVID_OFFS) + +/* Power Management Clock Gating Control Register */ +#define MV_PEX_IF_REGS_OFFSET(if) \ + (if < 8 ? (0x40000 + ((if) / 4) * 0x40000 + ((if) % 4) * 0x4000) \ + : (0x42000 + ((if) % 8) * 0x40000)) +#define MV_PEX_IF_REGS_BASE(unit) (MV_PEX_IF_REGS_OFFSET(unit)) +#define POWER_MNG_CTRL_REG 0x18220 +#define PEX_DEVICE_AND_VENDOR_ID 0x000 +#define PEX_CFG_DIRECT_ACCESS(if, reg) (MV_PEX_IF_REGS_BASE(if) + (reg)) +#define PMC_PEXSTOPCLOCK_OFFS(port) ((port) < 8 ? (5 + (port)) : (18 + (port))) +#define PMC_PEXSTOPCLOCK_MASK(port) (1 << PMC_PEXSTOPCLOCK_OFFS(port)) +#define PMC_PEXSTOPCLOCK_EN(port) (1 << PMC_PEXSTOPCLOCK_OFFS(port)) +#define PMC_PEXSTOPCLOCK_STOP(port) (0 << PMC_PEXSTOPCLOCK_OFFS(port)) + +/* TWSI */ +#define TWSI_DATA_ADDR_MASK 0x7 +#define TWSI_DATA_ADDR_OFFS 1 + +/* General */ +#define MAX_CS 4 + +/* Frequencies */ +#define FAB_OPT 21 +#define CLK_CPU 12 +#define CLK_VCO (2 * CLK_CPU) +#define CLK_DDR 12 + +/* Cpu Frequencies: */ +#define CLK_CPU_1000 0 +#define CLK_CPU_1066 1 +#define CLK_CPU_1200 2 +#define CLK_CPU_1333 3 +#define CLK_CPU_1500 4 +#define CLK_CPU_1666 5 +#define CLK_CPU_1800 6 +#define CLK_CPU_2000 7 +#define CLK_CPU_600 8 +#define CLK_CPU_667 9 +#define CLK_CPU_800 0xa + +/* Extra Cpu Frequencies: */ +#define CLK_CPU_1600 11 +#define CLK_CPU_2133 12 +#define CLK_CPU_2200 13 +#define CLK_CPU_2400 14 + +/* DDR3 Frequencies: */ +#define DDR_100 0 +#define DDR_300 1 +#define DDR_333 1 +#define DDR_360 2 +#define DDR_400 3 +#define DDR_444 4 +#define DDR_500 5 +#define DDR_533 6 +#define DDR_600 7 +#define DDR_640 8 +#define DDR_666 8 +#define DDR_720 9 +#define DDR_750 9 +#define DDR_800 10 +#define DDR_833 11 +#define DDR_HCLK 20 +#define DDR_S 12 +#define DDR_S_1TO1 13 +#define MARGIN_FREQ DDR_400 +#define DFS_MARGIN DDR_100 + +#define ODT_OPT 16 +#define ODT20 0x200 +#define ODT30 0x204 +#define ODT40 0x44 +#define ODT120 0x40 +#define ODT120D 0x400 + +#define MRS_DELAY 100 + +#define SDRAM_WL_SW_OFFS 0x100 +#define SDRAM_RL_OFFS 0x0 +#define SDRAM_PBS_I_OFFS 0x140 +#define SDRAM_PBS_II_OFFS 0x180 +#define SDRAM_PBS_NEXT_OFFS (SDRAM_PBS_II_OFFS - SDRAM_PBS_I_OFFS) +#define SDRAM_PBS_TX_OFFS 0x180 +#define SDRAM_PBS_TX_DM_OFFS 576 +#define SDRAM_DQS_RX_OFFS 1024 +#define SDRAM_DQS_TX_OFFS 2048 +#define SDRAM_DQS_RX_SPECIAL_OFFS 5120 + +#define LEN_STD_PATTERN 16 +#define LEN_KILLER_PATTERN 128 +#define LEN_SPECIAL_PATTERN 128 +#define LEN_PBS_PATTERN 16 + +#endif /* __DDR3_AXP_H */ diff --git a/drivers/ddr/mvebu/ddr3_axp_config.h b/drivers/ddr/mvebu/ddr3_axp_config.h new file mode 100644 index 0000000..800d2d1 --- /dev/null +++ b/drivers/ddr/mvebu/ddr3_axp_config.h @@ -0,0 +1,146 @@ +/* + * Copyright (C) Marvell International Ltd. and its affiliates + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#ifndef __DDR3_AXP_CONFIG_H +#define __DDR3_AXP_CONFIG_H + +/* + * DDR3_LOG_LEVEL Information + * + * Level 0: Provides an error code in a case of failure, RL, WL errors + * and other algorithm failure + * Level 1: Provides the D-Unit setup (SPD/Static configuration) + * Level 2: Provides the windows margin as a results of DQS centeralization + * Level 3: Provides the windows margin of each DQ as a results of DQS + * centeralization + */ +#ifdef CONFIG_DDR_LOG_LEVEL +#define DDR3_LOG_LEVEL CONFIG_DDR_LOG_LEVEL +#else +#define DDR3_LOG_LEVEL 0 +#endif + +#define DDR3_PBS 1 + +/* This flag allows the execution of SW WL/RL upon HW failure */ +#define DDR3_RUN_SW_WHEN_HW_FAIL 1 + +/* + * General Configurations + * + * The following parameters are required for proper setup: + * + * DDR_TARGET_FABRIC - Set desired fabric configuration + * (for sample@Reset fabfreq parameter) + * DRAM_ECC - Set ECC support 1/0 + * BUS_WIDTH - 64/32 bit + * CONFIG_SPD_EEPROM - Enables auto detection of DIMMs and their timing values + * DQS_CLK_ALIGNED - Set this if CLK and DQS signals are aligned on board + * MIXED_DIMM_STATIC - Mixed DIMM + On board devices support (ODT registers + * values are taken statically) + * DDR3_TRAINING_DEBUG - Debug prints of internal code + */ +#define DDR_TARGET_FABRIC 5 +#define DRAM_ECC 0 + +#ifdef MV_DDR_32BIT +#define BUS_WIDTH 32 +#else +#define BUS_WIDTH 64 +#endif + +#undef DQS_CLK_ALIGNED +#undef MIXED_DIMM_STATIC +#define DDR3_TRAINING_DEBUG 0 +#define REG_DIMM_SKIP_WL 0 + +/* Marvell boards specific configurations */ +#if defined(DB_78X60_PCAC) +#undef CONFIG_SPD_EEPROM +#define STATIC_TRAINING +#endif + +#if defined(DB_78X60_AMC) +#undef CONFIG_SPD_EEPROM +#undef DRAM_ECC +#define DRAM_ECC 1 +#endif + +#ifdef CONFIG_SPD_EEPROM +/* + * DIMM support parameters: + * DRAM_2T - Set Desired 2T Mode - 0 - 1T, 0x1 - 2T, 0x2 - 3T + * DIMM_CS_BITMAP - bitmap representing the optional CS in DIMMs + * (0xF=CS0+CS1+CS2+CS3, 0xC=CS2+CS3...) + */ +#define DRAM_2T 0x0 +#define DIMM_CS_BITMAP 0xF +#define DUNIT_SPD +#endif + +#ifdef DRAM_ECC +/* + * ECC support parameters: + * + * U_BOOT_START_ADDR, U_BOOT_SCRUB_SIZE - relevant when using ECC and need + * to configure the scrubbing area + */ +#define TRAINING_SIZE 0x20000 +#define U_BOOT_START_ADDR 0 +#define U_BOOT_SCRUB_SIZE 0x1000000 /* TRAINING_SIZE */ +#endif + +/* + * Registered DIMM Support - In case registered DIMM is attached, + * please supply the following values: + * (see JEDEC - JESD82-29A "Definition of the SSTE32882 Registering Clock + * Driver with Parity and Quad Chip + * Selects for DDR3/DDR3L/DDR3U RDIMM 1.5 V/1.35 V/1.25 V Applications") + * RC0: Global Features Control Word + * RC1: Clock Driver Enable Control Word + * RC2: Timing Control Word + * RC3-RC5 - taken from SPD + * RC8: Additional IBT Setting Control Word + * RC9: Power Saving Settings Control Word + * RC10: Encoding for RDIMM Operating Speed + * RC11: Operating Voltage VDD and VREFCA Control Word + */ +#define RDIMM_RC0 0 +#define RDIMM_RC1 0 +#define RDIMM_RC2 0 +#define RDIMM_RC8 0 +#define RDIMM_RC9 0 +#define RDIMM_RC10 0x2 +#define RDIMM_RC11 0x0 + +#if defined(MIXED_DIMM_STATIC) || !defined(CONFIG_SPD_EEPROM) +#define DUNIT_STATIC +#endif + +#if defined(MIXED_DIMM_STATIC) || defined(CONFIG_SPD_EEPROM) +/* + * This flag allows the user to change the dram refresh cycle in ps, + * only in case of SPD or MIX DIMM topology + */ +#define TREFI_USER_EN + +#ifdef TREFI_USER_EN +#define TREFI_USER 3900000 +#endif +#endif + +#ifdef CONFIG_SPD_EEPROM +/* + * AUTO_DETECTION_SUPPORT - relevant ONLY for Marvell DB boards. + * Enables I2C auto detection different options + */ +#if defined(CONFIG_DB_88F78X60) || defined(CONFIG_DB_88F78X60_REV2) || \ + defined(CONFIG_DB_784MP_GP) +#define AUTO_DETECTION_SUPPORT +#endif +#endif + +#endif /* __DDR3_AXP_CONFIG_H */ diff --git a/drivers/ddr/mvebu/ddr3_axp_mc_static.h b/drivers/ddr/mvebu/ddr3_axp_mc_static.h new file mode 100644 index 0000000..2c0e9075 --- /dev/null +++ b/drivers/ddr/mvebu/ddr3_axp_mc_static.h @@ -0,0 +1,284 @@ +/* + * Copyright (C) Marvell International Ltd. and its affiliates + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#ifndef __AXP_MC_STATIC_H +#define __AXP_MC_STATIC_H + +MV_DRAM_MC_INIT ddr3_A0_db_667[MV_MAX_DDR3_STATIC_SIZE] = { +#ifdef MV_DDR_32BIT + {0x00001400, 0x7301c924}, /*DDR SDRAM Configuration Register */ +#else /*MV_DDR_64BIT */ + {0x00001400, 0x7301CA28}, /*DDR SDRAM Configuration Register */ +#endif + {0x00001404, 0x3630b800}, /*Dunit Control Low Register */ + {0x00001408, 0x43149775}, /*DDR SDRAM Timing (Low) Register */ + /* {0x0000140C, 0x38000C6A}, *//*DDR SDRAM Timing (High) Register */ + {0x0000140C, 0x38d83fe0}, /*DDR SDRAM Timing (High) Register */ + +#ifdef DB_78X60_PCAC + {0x00001410, 0x040F0001}, /*DDR SDRAM Address Control Register */ +#else + {0x00001410, 0x040F0000}, /*DDR SDRAM Open Pages Control Register */ +#endif + + {0x00001414, 0x00000000}, /*DDR SDRAM Open Pages Control Register */ + {0x00001418, 0x00000e00}, /*DDR SDRAM Operation Register */ + {0x00001420, 0x00000004}, /*DDR SDRAM Extended Mode Register */ + {0x00001424, 0x0000D3FF}, /*Dunit Control High Register */ + {0x00001428, 0x000F8830}, /*Dunit Control High Register */ + {0x0000142C, 0x214C2F38}, /*Dunit Control High Register */ + {0x0000147C, 0x0000c671}, + + {0x000014a0, 0x000002A9}, + {0x000014a8, 0x00000101}, /*2:1 */ + {0x00020220, 0x00000007}, + + {0x00001494, 0x00010000}, /*DDR SDRAM ODT Control (Low) Register */ + {0x00001498, 0x00000000}, /*DDR SDRAM ODT Control (High) Register */ + {0x0000149C, 0x00000301}, /*DDR Dunit ODT Control Register */ + + {0x000014C0, 0x192434e9}, /* DRAM address and Control Driving Strenght */ + {0x000014C4, 0x092434e9}, /* DRAM Data and DQS Driving Strenght */ + + {0x000200e8, 0x3FFF0E01}, /* DO NOT Modify - Open Mbus Window - 2G - Mbus is required for the training sequence */ + {0x00020184, 0x3FFFFFE0}, /* DO NOT Modify - Close fast path Window to - 2G */ + + {0x0001504, 0x7FFFFFF1}, /* CS0 Size */ + {0x000150C, 0x00000000}, /* CS1 Size */ + {0x0001514, 0x00000000}, /* CS2 Size */ + {0x000151C, 0x00000000}, /* CS3 Size */ + + /* {0x00001524, 0x0000C800}, */ + {0x00001538, 0x0000000b}, /*Read Data Sample Delays Register */ + {0x0000153C, 0x0000000d}, /*Read Data Ready Delay Register */ + + {0x000015D0, 0x00000640}, /*MR0 */ + {0x000015D4, 0x00000046}, /*MR1 */ + {0x000015D8, 0x00000010}, /*MR2 */ + {0x000015DC, 0x00000000}, /*MR3 */ + + {0x000015E4, 0x00203c18}, /*ZQC Configuration Register */ + {0x000015EC, 0xd800aa25}, /*DDR PHY */ + {0x0, 0x0} +}; + +MV_DRAM_MC_INIT ddr3_A0_AMC_667[MV_MAX_DDR3_STATIC_SIZE] = { +#ifdef MV_DDR_32BIT + {0x00001400, 0x7301c924}, /*DDR SDRAM Configuration Register */ +#else /*MV_DDR_64BIT */ + {0x00001400, 0x7301CA28}, /*DDR SDRAM Configuration Register */ +#endif + {0x00001404, 0x3630b800}, /*Dunit Control Low Register */ + {0x00001408, 0x43149775}, /*DDR SDRAM Timing (Low) Register */ + /* {0x0000140C, 0x38000C6A}, *//*DDR SDRAM Timing (High) Register */ + {0x0000140C, 0x38d83fe0}, /*DDR SDRAM Timing (High) Register */ + +#ifdef DB_78X60_PCAC + {0x00001410, 0x040F0001}, /*DDR SDRAM Address Control Register */ +#else + {0x00001410, 0x040F000C}, /*DDR SDRAM Open Pages Control Register */ +#endif + + {0x00001414, 0x00000000}, /*DDR SDRAM Open Pages Control Register */ + {0x00001418, 0x00000e00}, /*DDR SDRAM Operation Register */ + {0x00001420, 0x00000004}, /*DDR SDRAM Extended Mode Register */ + {0x00001424, 0x0000D3FF}, /*Dunit Control High Register */ + {0x00001428, 0x000F8830}, /*Dunit Control High Register */ + {0x0000142C, 0x214C2F38}, /*Dunit Control High Register */ + {0x0000147C, 0x0000c671}, + + {0x000014a0, 0x000002A9}, + {0x000014a8, 0x00000101}, /*2:1 */ + {0x00020220, 0x00000007}, + + {0x00001494, 0x00010000}, /*DDR SDRAM ODT Control (Low) Register */ + {0x00001498, 0x00000000}, /*DDR SDRAM ODT Control (High) Register */ + {0x0000149C, 0x00000301}, /*DDR Dunit ODT Control Register */ + + {0x000014C0, 0x192434e9}, /* DRAM address and Control Driving Strenght */ + {0x000014C4, 0x092434e9}, /* DRAM Data and DQS Driving Strenght */ + + {0x000200e8, 0x3FFF0E01}, /* DO NOT Modify - Open Mbus Window - 2G - Mbus is required for the training sequence */ + {0x00020184, 0x3FFFFFE0}, /* DO NOT Modify - Close fast path Window to - 2G */ + + {0x0001504, 0x3FFFFFF1}, /* CS0 Size */ + {0x000150C, 0x00000000}, /* CS1 Size */ + {0x0001514, 0x00000000}, /* CS2 Size */ + {0x000151C, 0x00000000}, /* CS3 Size */ + + /* {0x00001524, 0x0000C800}, */ + {0x00001538, 0x0000000b}, /*Read Data Sample Delays Register */ + {0x0000153C, 0x0000000d}, /*Read Data Ready Delay Register */ + + {0x000015D0, 0x00000640}, /*MR0 */ + {0x000015D4, 0x00000046}, /*MR1 */ + {0x000015D8, 0x00000010}, /*MR2 */ + {0x000015DC, 0x00000000}, /*MR3 */ + + {0x000015E4, 0x00203c18}, /*ZQC Configuration Register */ + {0x000015EC, 0xd800aa25}, /*DDR PHY */ + {0x0, 0x0} +}; + +MV_DRAM_MC_INIT ddr3_A0_db_400[MV_MAX_DDR3_STATIC_SIZE] = { +#ifdef MV_DDR_32BIT + {0x00001400, 0x73004C30}, /*DDR SDRAM Configuration Register */ +#else /* MV_DDR_64BIT */ + {0x00001400, 0x7300CC30}, /*DDR SDRAM Configuration Register */ +#endif + {0x00001404, 0x3630B840}, /*Dunit Control Low Register */ + {0x00001408, 0x33137663}, /*DDR SDRAM Timing (Low) Register */ + {0x0000140C, 0x38000C55}, /*DDR SDRAM Timing (High) Register */ + {0x00001410, 0x040F0000}, /*DDR SDRAM Address Control Register */ + {0x00001414, 0x00000000}, /*DDR SDRAM Open Pages Control Register */ + {0x00001418, 0x00000e00}, /*DDR SDRAM Operation Register */ + {0x0000141C, 0x00000672}, /*DDR SDRAM Mode Register */ + {0x00001420, 0x00000004}, /*DDR SDRAM Extended Mode Register */ + {0x00001424, 0x0100D3FF}, /*Dunit Control High Register */ + {0x00001428, 0x000D6720}, /*Dunit Control High Register */ + {0x0000142C, 0x014C2F38}, /*Dunit Control High Register */ + {0x0000147C, 0x00006571}, + + {0x00001494, 0x00010000}, /*DDR SDRAM ODT Control (Low) Register */ + {0x00001498, 0x00000000}, /*DDR SDRAM ODT Control (High) Register */ + {0x0000149C, 0x00000301}, /*DDR Dunit ODT Control Register */ + + {0x000014a0, 0x000002A9}, + {0x000014a8, 0x00000101}, /*2:1 */ + {0x00020220, 0x00000007}, + + {0x000014C0, 0x192424C8}, /* DRAM address and Control Driving Strenght */ + {0x000014C4, 0xEFB24C8}, /* DRAM Data and DQS Driving Strenght */ + + {0x000200e8, 0x3FFF0E01}, /* DO NOT Modify - Open Mbus Window - 2G - Mbus is required for the training sequence */ + {0x00020184, 0x3FFFFFE0}, /* DO NOT Modify - Close fast path Window to - 2G */ + + {0x0001504, 0x7FFFFFF1}, /* CS0 Size */ + {0x000150C, 0x00000000}, /* CS1 Size */ + {0x0001514, 0x00000000}, /* CS2 Size */ + {0x000151C, 0x00000000}, /* CS3 Size */ + + {0x00001538, 0x00000008}, /*Read Data Sample Delays Register */ + {0x0000153C, 0x0000000A}, /*Read Data Ready Delay Register */ + + {0x000015D0, 0x00000630}, /*MR0 */ + {0x000015D4, 0x00000046}, /*MR1 */ + {0x000015D8, 0x00000008}, /*MR2 */ + {0x000015DC, 0x00000000}, /*MR3 */ + + {0x000015E4, 0x00203c18}, /*ZQDS Configuration Register */ + /* {0x000015EC, 0xDE000025}, *//*DDR PHY */ + {0x000015EC, 0xF800AA25}, /*DDR PHY */ + {0x0, 0x0} +}; + +MV_DRAM_MC_INIT ddr3_Z1_db_600[MV_MAX_DDR3_STATIC_SIZE] = { +#ifdef MV_DDR_32BIT + {0x00001400, 0x73014A28}, /*DDR SDRAM Configuration Register */ +#else /*MV_DDR_64BIT */ + {0x00001400, 0x7301CA28}, /*DDR SDRAM Configuration Register */ +#endif + {0x00001404, 0x3630B040}, /*Dunit Control Low Register */ + {0x00001408, 0x44149887}, /*DDR SDRAM Timing (Low) Register */ + /* {0x0000140C, 0x38000C6A}, *//*DDR SDRAM Timing (High) Register */ + {0x0000140C, 0x38D83FE0}, /*DDR SDRAM Timing (High) Register */ + +#ifdef DB_78X60_PCAC + {0x00001410, 0x040F0001}, /*DDR SDRAM Address Control Register */ +#else + {0x00001410, 0x040F0000}, /*DDR SDRAM Open Pages Control Register */ +#endif + + {0x00001414, 0x00000000}, /*DDR SDRAM Open Pages Control Register */ + {0x00001418, 0x00000e00}, /*DDR SDRAM Operation Register */ + {0x00001420, 0x00000004}, /*DDR SDRAM Extended Mode Register */ + {0x00001424, 0x0100D1FF}, /*Dunit Control High Register */ + {0x00001428, 0x000F8830}, /*Dunit Control High Register */ + {0x0000142C, 0x214C2F38}, /*Dunit Control High Register */ + {0x0000147C, 0x0000c671}, + + {0x000014a8, 0x00000101}, /*2:1 */ + {0x00020220, 0x00000007}, + + {0x00001494, 0x00010000}, /*DDR SDRAM ODT Control (Low) Register */ + {0x00001498, 0x00000000}, /*DDR SDRAM ODT Control (High) Register */ + {0x0000149C, 0x00000301}, /*DDR Dunit ODT Control Register */ + + {0x000014C0, 0x192424C8}, /* DRAM address and Control Driving Strenght */ + {0x000014C4, 0xEFB24C8}, /* DRAM Data and DQS Driving Strenght */ + + {0x000200e8, 0x3FFF0E01}, /* DO NOT Modify - Open Mbus Window - 2G - Mbus is required for the training sequence */ + {0x00020184, 0x3FFFFFE0}, /* DO NOT Modify - Close fast path Window to - 2G */ + + {0x0001504, 0x7FFFFFF1}, /* CS0 Size */ + {0x000150C, 0x00000000}, /* CS1 Size */ + {0x0001514, 0x00000000}, /* CS2 Size */ + {0x000151C, 0x00000000}, /* CS3 Size */ + + /* {0x00001524, 0x0000C800}, */ + {0x00001538, 0x0000000b}, /*Read Data Sample Delays Register */ + {0x0000153C, 0x0000000d}, /*Read Data Ready Delay Register */ + + {0x000015D0, 0x00000650}, /*MR0 */ + {0x000015D4, 0x00000046}, /*MR1 */ + {0x000015D8, 0x00000010}, /*MR2 */ + {0x000015DC, 0x00000000}, /*MR3 */ + + {0x000015E4, 0x00203c18}, /*ZQC Configuration Register */ + {0x000015EC, 0xDE000025}, /*DDR PHY */ + {0x0, 0x0} +}; + +MV_DRAM_MC_INIT ddr3_Z1_db_300[MV_MAX_DDR3_STATIC_SIZE] = { +#ifdef MV_DDR_32BIT + {0x00001400, 0x73004C30}, /*DDR SDRAM Configuration Register */ +#else /*MV_DDR_64BIT */ + {0x00001400, 0x7300CC30}, /*DDR SDRAM Configuration Register */ + /*{0x00001400, 0x7304CC30}, *//*DDR SDRAM Configuration Register */ +#endif + {0x00001404, 0x3630B840}, /*Dunit Control Low Register */ + {0x00001408, 0x33137663}, /*DDR SDRAM Timing (Low) Register */ + {0x0000140C, 0x38000C55}, /*DDR SDRAM Timing (High) Register */ + {0x00001410, 0x040F0000}, /*DDR SDRAM Address Control Register */ + {0x00001414, 0x00000000}, /*DDR SDRAM Open Pages Control Register */ + {0x00001418, 0x00000e00}, /*DDR SDRAM Operation Register */ + {0x0000141C, 0x00000672}, /*DDR SDRAM Mode Register */ + {0x00001420, 0x00000004}, /*DDR SDRAM Extended Mode Register */ + {0x00001424, 0x0100F1FF}, /*Dunit Control High Register */ + {0x00001428, 0x000D6720}, /*Dunit Control High Register */ + {0x0000142C, 0x014C2F38}, /*Dunit Control High Register */ + {0x0000147C, 0x00006571}, + + {0x00001494, 0x00010000}, /*DDR SDRAM ODT Control (Low) Register */ + {0x00001498, 0x00000000}, /*DDR SDRAM ODT Control (High) Register */ + {0x0000149C, 0x00000301}, /*DDR Dunit ODT Control Register */ + + {0x000014C0, 0x192424C8}, /* DRAM address and Control Driving Strenght */ + {0x000014C4, 0xEFB24C8}, /* DRAM Data and DQS Driving Strenght */ + + {0x000200e8, 0x3FFF0E01}, /* DO NOT Modify - Open Mbus Window - 2G - Mbus is required for the training sequence */ + {0x00020184, 0x3FFFFFE0}, /* DO NOT Modify - Close fast path Window to - 2G */ + + {0x0001504, 0x7FFFFFF1}, /* CS0 Size */ + {0x000150C, 0x00000000}, /* CS1 Size */ + {0x0001514, 0x00000000}, /* CS2 Size */ + {0x000151C, 0x00000000}, /* CS3 Size */ + + {0x00001538, 0x00000008}, /*Read Data Sample Delays Register */ + {0x0000153C, 0x0000000A}, /*Read Data Ready Delay Register */ + + {0x000015D0, 0x00000630}, /*MR0 */ + {0x000015D4, 0x00000046}, /*MR1 */ + {0x000015D8, 0x00000008}, /*MR2 */ + {0x000015DC, 0x00000000}, /*MR3 */ + + {0x000015E4, 0x00203c18}, /*ZQDS Configuration Register */ + {0x000015EC, 0xDE000025}, /*DDR PHY */ + + {0x0, 0x0} +}; + +#endif /* __AXP_MC_STATIC_H */ diff --git a/drivers/ddr/mvebu/ddr3_axp_training_static.h b/drivers/ddr/mvebu/ddr3_axp_training_static.h new file mode 100644 index 0000000..4e61547 --- /dev/null +++ b/drivers/ddr/mvebu/ddr3_axp_training_static.h @@ -0,0 +1,770 @@ +/* + * Copyright (C) Marvell International Ltd. and its affiliates + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#ifndef __AXP_TRAINING_STATIC_H +#define __AXP_TRAINING_STATIC_H + +/* + * STATIC_TRAINING - Set only if static parameters for training are set and + * required + */ + +MV_DRAM_TRAINING_INIT ddr3_db_rev2_667[MV_MAX_DDR3_STATIC_SIZE] = { + /* Read Leveling */ + /*PUP RdSampleDly (+CL) Phase RL ADLL value */ + /*0 */ + {0x000016A0, 0xC002011A}, + /*1 */ + {0x000016A0, 0xC0420100}, + /*2 */ + {0x000016A0, 0xC082020A}, + /*3 */ + {0x000016A0, 0xC0C20017}, + /*4 */ + {0x000016A0, 0xC1020113}, + /*5 */ + {0x000016A0, 0xC1420107}, + /*6 */ + {0x000016A0, 0xC182011F}, + /*7 */ + {0x000016A0, 0xC1C2001C}, + /*8 */ + {0x000016A0, 0xC202010D}, + + /* Write Leveling */ + /*0 */ + {0x000016A0, 0xC0004A06}, + /*1 */ + {0x000016A0, 0xC040690D}, + /*2 */ + {0x000016A0, 0xC0806A0D}, + /*3 */ + {0x000016A0, 0xC0C0A01B}, + /*4 */ + {0x000016A0, 0xC1003A01}, + /*5 */ + {0x000016A0, 0xC1408113}, + /*6 */ + {0x000016A0, 0xC1805609}, + /*7 */ + {0x000016A0, 0xC1C04504}, + /*8 */ + {0x000016A0, 0xC2009518}, + + /*center DQS on read cycle */ + {0x000016A0, 0xC803000F}, + + {0x00001538, 0x0000000B}, /*Read Data Sample Delays Register */ + {0x0000153C, 0x0000000F}, /*Read Data Ready Delay Register */ + + /*init DRAM */ + {0x00001480, 0x00000001}, + {0x0, 0x0} +}; + +MV_DRAM_TRAINING_INIT ddr3_db_rev2_800[MV_MAX_DDR3_STATIC_SIZE] = { + /* Read Leveling */ + /*PUP RdSampleDly (+CL) Phase RL ADLL value */ + /*0 */ + {0x000016A0, 0xC0020301}, + /*1 */ + {0x000016A0, 0xC0420202}, + /*2 */ + {0x000016A0, 0xC0820314}, + /*3 */ + {0x000016A0, 0xC0C20117}, + /*4 */ + {0x000016A0, 0xC1020219}, + /*5 */ + {0x000016A0, 0xC142020B}, + /*6 */ + {0x000016A0, 0xC182030A}, + /*7 */ + {0x000016A0, 0xC1C2011D}, + /*8 */ + {0x000016A0, 0xC2020212}, + + /* Write Leveling */ + /*0 */ + {0x000016A0, 0xC0007A12}, + /*1 */ + {0x000016A0, 0xC0408D16}, + /*2 */ + {0x000016A0, 0xC0809E1B}, + /*3 */ + {0x000016A0, 0xC0C0AC1F}, + /*4 */ + {0x000016A0, 0xC1005E0A}, + /*5 */ + {0x000016A0, 0xC140A91D}, + /*6 */ + {0x000016A0, 0xC1808E17}, + /*7 */ + {0x000016A0, 0xC1C05509}, + /*8 */ + {0x000016A0, 0xC2003A01}, + + /* PBS Leveling */ + /*0 */ + {0x000016A0, 0xC0007A12}, + /*1 */ + {0x000016A0, 0xC0408D16}, + /*2 */ + {0x000016A0, 0xC0809E1B}, + /*3 */ + {0x000016A0, 0xC0C0AC1F}, + /*4 */ + {0x000016A0, 0xC1005E0A}, + /*5 */ + {0x000016A0, 0xC140A91D}, + /*6 */ + {0x000016A0, 0xC1808E17}, + /*7 */ + {0x000016A0, 0xC1C05509}, + /*8 */ + {0x000016A0, 0xC2003A01}, + + /*center DQS on read cycle */ + {0x000016A0, 0xC803000B}, + + {0x00001538, 0x0000000D}, /*Read Data Sample Delays Register */ + {0x0000153C, 0x00000011}, /*Read Data Ready Delay Register */ + + /*init DRAM */ + {0x00001480, 0x00000001}, + {0x0, 0x0} +}; + +MV_DRAM_TRAINING_INIT ddr3_db_400[MV_MAX_DDR3_STATIC_SIZE] = { + /* Read Leveling */ + /*PUP RdSampleDly (+CL) Phase RL ADLL value */ + /*0 2 4 15 */ + {0x000016A0, 0xC002010C}, + /*1 2 4 2 */ + {0x000016A0, 0xC042001C}, + /*2 2 4 27 */ + {0x000016A0, 0xC0820115}, + /*3 2 4 0 */ + {0x000016A0, 0xC0C20019}, + /*4 2 4 13 */ + {0x000016A0, 0xC1020108}, + /*5 2 4 5 */ + {0x000016A0, 0xC1420100}, + /*6 2 4 19 */ + {0x000016A0, 0xC1820111}, + /*7 2 4 0 */ + {0x000016A0, 0xC1C2001B}, + /*8 2 4 10 */ + /*{0x000016A0, 0xC2020117}, */ + {0x000016A0, 0xC202010C}, + + /* Write Leveling */ + /*0 */ + {0x000016A0, 0xC0005508}, + /*1 */ + {0x000016A0, 0xC0409819}, + /*2 */ + {0x000016A0, 0xC080650C}, + /*3 */ + {0x000016A0, 0xC0C0700F}, + /*4 */ + {0x000016A0, 0xC1004103}, + /*5 */ + {0x000016A0, 0xC140A81D}, + /*6 */ + {0x000016A0, 0xC180650C}, + /*7 */ + {0x000016A0, 0xC1C08013}, + /*8 */ + {0x000016A0, 0xC2005508}, + + /*center DQS on read cycle */ + {0x000016A0, 0xC803000F}, + + {0x00001538, 0x00000008}, /*Read Data Sample Delays Register */ + {0x0000153C, 0x0000000A}, /*Read Data Ready Delay Register */ + + /*init DRAM */ + {0x00001480, 0x00000001}, + {0x0, 0x0} +}; + +MV_DRAM_TRAINING_INIT ddr3_db_533[MV_MAX_DDR3_STATIC_SIZE] = { + /* Read Leveling */ + /*PUP RdSampleDly (+CL) Phase RL ADLL value */ + /*0 2 4 15 */ + {0x000016A0, 0xC002040C}, + /*1 2 4 2 */ + {0x000016A0, 0xC0420117}, + /*2 2 4 27 */ + {0x000016A0, 0xC082041B}, + /*3 2 4 0 */ + {0x000016A0, 0xC0C20117}, + /*4 2 4 13 */ + {0x000016A0, 0xC102040A}, + /*5 2 4 5 */ + {0x000016A0, 0xC1420117}, + /*6 2 4 19 */ + {0x000016A0, 0xC1820419}, + /*7 2 4 0 */ + {0x000016A0, 0xC1C20117}, + /*8 2 4 10 */ + {0x000016A0, 0xC2020117}, + + /* Write Leveling */ + /*0 */ + {0x000016A0, 0xC0008113}, + /*1 */ + {0x000016A0, 0xC0404504}, + /*2 */ + {0x000016A0, 0xC0808514}, + /*3 */ + {0x000016A0, 0xC0C09418}, + /*4 */ + {0x000016A0, 0xC1006D0E}, + /*5 */ + {0x000016A0, 0xC1405508}, + /*6 */ + {0x000016A0, 0xC1807D12}, + /*7 */ + {0x000016A0, 0xC1C0b01F}, + /*8 */ + {0x000016A0, 0xC2005D0A}, + + /*center DQS on read cycle */ + {0x000016A0, 0xC803000F}, + + {0x00001538, 0x00000008}, /*Read Data Sample Delays Register */ + {0x0000153C, 0x0000000A}, /*Read Data Ready Delay Register */ + + /*init DRAM */ + {0x00001480, 0x00000001}, + {0x0, 0x0} +}; + +MV_DRAM_TRAINING_INIT ddr3_db_600[MV_MAX_DDR3_STATIC_SIZE] = { + /* Read Leveling */ + /*PUP RdSampleDly (+CL) Phase RL ADLL value */ + /*0 2 3 1 */ + {0x000016A0, 0xC0020104}, + /*1 2 2 6 */ + {0x000016A0, 0xC0420010}, + /*2 2 3 16 */ + {0x000016A0, 0xC0820112}, + /*3 2 1 26 */ + {0x000016A0, 0xC0C20009}, + /*4 2 2 29 */ + {0x000016A0, 0xC102001F}, + /*5 2 2 13 */ + {0x000016A0, 0xC1420014}, + /*6 2 3 6 */ + {0x000016A0, 0xC1820109}, + /*7 2 1 31 */ + {0x000016A0, 0xC1C2000C}, + /*8 2 2 22 */ + {0x000016A0, 0xC2020112}, + + /* Write Leveling */ + /*0 */ + {0x000016A0, 0xC0009919}, + /*1 */ + {0x000016A0, 0xC0405508}, + /*2 */ + {0x000016A0, 0xC0809919}, + /*3 */ + {0x000016A0, 0xC0C09C1A}, + /*4 */ + {0x000016A0, 0xC1008113}, + /*5 */ + {0x000016A0, 0xC140650C}, + /*6 */ + {0x000016A0, 0xC1809518}, + /*7 */ + {0x000016A0, 0xC1C04103}, + /*8 */ + {0x000016A0, 0xC2006D0E}, + + /*center DQS on read cycle */ + {0x000016A0, 0xC803000F}, + + {0x00001538, 0x0000000B}, /*Read Data Sample Delays Register */ + {0x0000153C, 0x0000000F}, /*Read Data Ready Delay Register */ + /*init DRAM */ + {0x00001480, 0x00000001}, + {0x0, 0x0} +}; + +MV_DRAM_TRAINING_INIT ddr3_db_667[MV_MAX_DDR3_STATIC_SIZE] = { + + /* Read Leveling */ + /*PUP RdSampleDly (+CL) Phase RL ADLL value */ + /*0 2 3 1 */ + {0x000016A0, 0xC0020103}, + /*1 2 2 6 */ + {0x000016A0, 0xC0420012}, + /*2 2 3 16 */ + {0x000016A0, 0xC0820113}, + /*3 2 1 26 */ + {0x000016A0, 0xC0C20012}, + /*4 2 2 29 */ + {0x000016A0, 0xC1020100}, + /*5 2 2 13 */ + {0x000016A0, 0xC1420016}, + /*6 2 3 6 */ + {0x000016A0, 0xC1820109}, + /*7 2 1 31 */ + {0x000016A0, 0xC1C20010}, + /*8 2 2 22 */ + {0x000016A0, 0xC2020112}, + + /* Write Leveling */ + /*0 */ + {0x000016A0, 0xC000b11F}, + /*1 */ + {0x000016A0, 0xC040690D}, + /*2 */ + {0x000016A0, 0xC0803600}, + /*3 */ + {0x000016A0, 0xC0C0a81D}, + /*4 */ + {0x000016A0, 0xC1009919}, + /*5 */ + {0x000016A0, 0xC1407911}, + /*6 */ + {0x000016A0, 0xC180ad1e}, + /*7 */ + {0x000016A0, 0xC1C04d06}, + /*8 */ + {0x000016A0, 0xC2008514}, + + /*center DQS on read cycle */ + {0x000016A0, 0xC803000F}, + + {0x00001538, 0x0000000B}, /*Read Data Sample Delays Register */ + {0x0000153C, 0x0000000F}, /*Read Data Ready Delay Register */ + + /*init DRAM */ + {0x00001480, 0x00000001}, + {0x0, 0x0} +}; + +MV_DRAM_TRAINING_INIT ddr3_db_800[MV_MAX_DDR3_STATIC_SIZE] = { + + /* Read Leveling */ + /*PUP RdSampleDly (+CL) Phase RL ADLL value */ + /*0 2 3 1 */ + {0x000016A0, 0xC0020213}, + /*1 2 2 6 */ + {0x000016A0, 0xC0420108}, + /*2 2 3 16 */ + {0x000016A0, 0xC0820210}, + /*3 2 1 26 */ + {0x000016A0, 0xC0C20108}, + /*4 2 2 29 */ + {0x000016A0, 0xC102011A}, + /*5 2 2 13 */ + {0x000016A0, 0xC1420300}, + /*6 2 3 6 */ + {0x000016A0, 0xC1820204}, + /*7 2 1 31 */ + {0x000016A0, 0xC1C20106}, + /*8 2 2 22 */ + {0x000016A0, 0xC2020112}, + + /* Write Leveling */ + /*0 */ + {0x000016A0, 0xC000620B}, + /*1 */ + {0x000016A0, 0xC0408D16}, + /*2 */ + {0x000016A0, 0xC0806A0D}, + /*3 */ + {0x000016A0, 0xC0C03D02}, + /*4 */ + {0x000016A0, 0xC1004a05}, + /*5 */ + {0x000016A0, 0xC140A11B}, + /*6 */ + {0x000016A0, 0xC1805E0A}, + /*7 */ + {0x000016A0, 0xC1C06D0E}, + /*8 */ + {0x000016A0, 0xC200AD1E}, + + /*center DQS on read cycle */ + {0x000016A0, 0xC803000F}, + + {0x00001538, 0x0000000C}, /*Read Data Sample Delays Register */ + {0x0000153C, 0x0000000E}, /*Read Data Ready Delay Register */ + + /*init DRAM */ + {0x00001480, 0x00000001}, + {0x0, 0x0} +}; + +MV_DRAM_TRAINING_INIT ddr3_rd_667_0[MV_MAX_DDR3_STATIC_SIZE] = { + /* Read Leveling */ + /*PUP RdSampleDly (+CL) Phase RL ADLL value */ + /*0 */ + {0x000016A0, 0xC002010E}, + /*1 */ + {0x000016A0, 0xC042001E}, + /*2 */ + {0x000016A0, 0xC0820118}, + /*3 */ + {0x000016A0, 0xC0C2001E}, + /*4 */ + {0x000016A0, 0xC102010C}, + /*5 */ + {0x000016A0, 0xC1420102}, + /*6 */ + {0x000016A0, 0xC1820111}, + /*7 */ + {0x000016A0, 0xC1C2001C}, + /*8 */ + {0x000016A0, 0xC2020109}, + + /* Write Leveling */ + /*0 */ + {0x000016A0, 0xC0003600}, + /*1 */ + {0x000016A0, 0xC040690D}, + /*2 */ + {0x000016A0, 0xC0805207}, + /*3 */ + {0x000016A0, 0xC0C0A81D}, + /*4 */ + {0x000016A0, 0xC1009919}, + /*5 */ + {0x000016A0, 0xC1407911}, + /*6 */ + {0x000016A0, 0xC1803E02}, + /*7 */ + {0x000016A0, 0xC1C05107}, + /*8 */ + {0x000016A0, 0xC2008113}, + + /*center DQS on read cycle */ + {0x000016A0, 0xC803000F}, + + {0x00001538, 0x0000000B}, /*Read Data Sample Delays Register */ + {0x0000153C, 0x0000000F}, /*Read Data Ready Delay Register */ + + /*init DRAM */ + {0x00001480, 0x00000001}, + {0x0, 0x0} +}; + +MV_DRAM_TRAINING_INIT ddr3_rd_667_1[MV_MAX_DDR3_STATIC_SIZE] = { + /* Read Leveling */ + /*PUP RdSampleDly (+CL) Phase RL ADLL value */ + /*0 */ + {0x000016A0, 0xC0020106}, + /*1 */ + {0x000016A0, 0xC0420016}, + /*2 */ + {0x000016A0, 0xC0820117}, + /*3 */ + {0x000016A0, 0xC0C2000F}, + /*4 */ + {0x000016A0, 0xC1020105}, + /*5 */ + {0x000016A0, 0xC142001B}, + /*6 */ + {0x000016A0, 0xC182010C}, + /*7 */ + {0x000016A0, 0xC1C20011}, + /*8 */ + {0x000016A0, 0xC2020101}, + + /* Write Leveling */ + /*0 */ + {0x000016A0, 0xC0003600}, + /*1 */ + {0x000016A0, 0xC0406D0E}, + /*2 */ + {0x000016A0, 0xC0803600}, + /*3 */ + {0x000016A0, 0xC0C04504}, + /*4 */ + {0x000016A0, 0xC1009919}, + /*5 */ + {0x000016A0, 0xC1407911}, + /*6 */ + {0x000016A0, 0xC1803600}, + /*7 */ + {0x000016A0, 0xC1C0610B}, + /*8 */ + {0x000016A0, 0xC2008113}, + + /*center DQS on read cycle */ + {0x000016A0, 0xC803000F}, + + {0x00001538, 0x0000000B}, /*Read Data Sample Delays Register */ + {0x0000153C, 0x0000000F}, /*Read Data Ready Delay Register */ + + /*init DRAM */ + {0x00001480, 0x00000001}, + {0x0, 0x0} +}; + +MV_DRAM_TRAINING_INIT ddr3_rd_667_2[MV_MAX_DDR3_STATIC_SIZE] = { + /* Read Leveling */ + /*PUP RdSampleDly (+CL) Phase RL ADLL value */ + /*0 */ + {0x000016A0, 0xC002010C}, + /*1 */ + {0x000016A0, 0xC042001B}, + /*2 */ + {0x000016A0, 0xC082011D}, + /*3 */ + {0x000016A0, 0xC0C20015}, + /*4 */ + {0x000016A0, 0xC102010B}, + /*5 */ + {0x000016A0, 0xC1420101}, + /*6 */ + {0x000016A0, 0xC1820113}, + /*7 */ + {0x000016A0, 0xC1C20017}, + /*8 */ + {0x000016A0, 0xC2020107}, + + /* Write Leveling */ + /*0 */ + {0x000016A0, 0xC0003600}, + /*1 */ + {0x000016A0, 0xC0406D0E}, + /*2 */ + {0x000016A0, 0xC0803600}, + /*3 */ + {0x000016A0, 0xC0C04504}, + /*4 */ + {0x000016A0, 0xC1009919}, + /*5 */ + {0x000016A0, 0xC1407911}, + /*6 */ + {0x000016A0, 0xC180B11F}, + /*7 */ + {0x000016A0, 0xC1C0610B}, + /*8 */ + {0x000016A0, 0xC2008113}, + + /*center DQS on read cycle */ + {0x000016A0, 0xC803000F}, + + {0x00001538, 0x0000000B}, /*Read Data Sample Delays Register */ + {0x0000153C, 0x0000000F}, /*Read Data Ready Delay Register */ + + /*init DRAM */ + {0x00001480, 0x00000001}, + {0x0, 0x0} +}; + +MV_DRAM_TRAINING_INIT ddr3_db_667_M[MV_MAX_DDR3_STATIC_SIZE] = { + /* Read Leveling */ + /*PUP RdSampleDly (+CL) Phase RL ADLL value */ + /* CS 0 */ + /*0 2 3 1 */ + {0x000016A0, 0xC0020103}, + /*1 2 2 6 */ + {0x000016A0, 0xC0420012}, + /*2 2 3 16 */ + {0x000016A0, 0xC0820113}, + /*3 2 1 26 */ + {0x000016A0, 0xC0C20012}, + /*4 2 2 29 */ + {0x000016A0, 0xC1020100}, + /*5 2 2 13 */ + {0x000016A0, 0xC1420016}, + /*6 2 3 6 */ + {0x000016A0, 0xC1820109}, + /*7 2 1 31 */ + {0x000016A0, 0xC1C20010}, + /*8 2 2 22 */ + {0x000016A0, 0xC2020112}, + + /* Write Leveling */ + /*0 */ + {0x000016A0, 0xC000b11F}, + /*1 */ + {0x000016A0, 0xC040690D}, + /*2 */ + {0x000016A0, 0xC0803600}, + /*3 */ + {0x000016A0, 0xC0C0a81D}, + /*4 */ + {0x000016A0, 0xC1009919}, + /*5 */ + {0x000016A0, 0xC1407911}, + /*6 */ + {0x000016A0, 0xC180ad1e}, + /*7 */ + {0x000016A0, 0xC1C04d06}, + /*8 */ + {0x000016A0, 0xC2008514}, + + /*center DQS on read cycle */ + {0x000016A0, 0xC803000F}, + + /* CS 1 */ + + {0x000016A0, 0xC0060103}, + /*1 2 2 6 */ + {0x000016A0, 0xC0460012}, + /*2 2 3 16 */ + {0x000016A0, 0xC0860113}, + /*3 2 1 26 */ + {0x000016A0, 0xC0C60012}, + /*4 2 2 29 */ + {0x000016A0, 0xC1060100}, + /*5 2 2 13 */ + {0x000016A0, 0xC1460016}, + /*6 2 3 6 */ + {0x000016A0, 0xC1860109}, + /*7 2 1 31 */ + {0x000016A0, 0xC1C60010}, + /*8 2 2 22 */ + {0x000016A0, 0xC2060112}, + + /* Write Leveling */ + /*0 */ + {0x000016A0, 0xC004b11F}, + /*1 */ + {0x000016A0, 0xC044690D}, + /*2 */ + {0x000016A0, 0xC0843600}, + /*3 */ + {0x000016A0, 0xC0C4a81D}, + /*4 */ + {0x000016A0, 0xC1049919}, + /*5 */ + {0x000016A0, 0xC1447911}, + /*6 */ + {0x000016A0, 0xC184ad1e}, + /*7 */ + {0x000016A0, 0xC1C44d06}, + /*8 */ + {0x000016A0, 0xC2048514}, + + /*center DQS on read cycle */ + {0x000016A0, 0xC807000F}, + + /* Both CS */ + + {0x00001538, 0x00000B0B}, /*Read Data Sample Delays Register */ + {0x0000153C, 0x00000F0F}, /*Read Data Ready Delay Register */ + + /*init DRAM */ + {0x00001480, 0x00000001}, + {0x0, 0x0} +}; + +MV_DRAM_TRAINING_INIT ddr3_rd_667_3[MV_MAX_DDR3_STATIC_SIZE] = { + /* Read Leveling */ + /*PUP RdSampleDly (+CL) Phase RL ADLL value */ + /*0 */ + {0x000016A0, 0xC0020118}, + /*1 */ + {0x000016A0, 0xC0420108}, + /*2 */ + {0x000016A0, 0xC0820202}, + /*3 */ + {0x000016A0, 0xC0C20108}, + /*4 */ + {0x000016A0, 0xC1020117}, + /*5 */ + {0x000016A0, 0xC142010C}, + /*6 */ + {0x000016A0, 0xC182011B}, + /*7 */ + {0x000016A0, 0xC1C20107}, + /*8 */ + {0x000016A0, 0xC2020113}, + + /* Write Leveling */ + /*0 */ + {0x000016A0, 0xC0003600}, + /*1 */ + {0x000016A0, 0xC0406D0E}, + /*2 */ + {0x000016A0, 0xC0805207}, + /*3 */ + {0x000016A0, 0xC0C0A81D}, + /*4 */ + {0x000016A0, 0xC1009919}, + /*5 */ + {0x000016A0, 0xC1407911}, + /*6 */ + {0x000016A0, 0xC1803E02}, + /*7 */ + {0x000016A0, 0xC1C04D06}, + /*8 */ + {0x000016A0, 0xC2008113}, + + /*center DQS on read cycle */ + {0x000016A0, 0xC803000F}, + + {0x00001538, 0x0000000B}, /*Read Data Sample Delays Register */ + {0x0000153C, 0x0000000F}, /*Read Data Ready Delay Register */ + + /*init DRAM */ + {0x00001480, 0x00000001}, + {0x0, 0x0} +}; + +MV_DRAM_TRAINING_INIT ddr3_pcac_600[MV_MAX_DDR3_STATIC_SIZE] = { + /* Read Leveling */ + /*PUP RdSampleDly (+CL) Phase RL ADLL value */ + /*0 */ + {0x000016A0, 0xC0020404}, + /* 1 2 2 6 */ + {0x000016A0, 0xC042031E}, + /* 2 2 3 16 */ + {0x000016A0, 0xC0820411}, + /* 3 2 1 26 */ + {0x000016A0, 0xC0C20400}, + /* 4 2 2 29 */ + {0x000016A0, 0xC1020404}, + /* 5 2 2 13 */ + {0x000016A0, 0xC142031D}, + /* 6 2 3 6 */ + {0x000016A0, 0xC182040C}, + /* 7 2 1 31 */ + {0x000016A0, 0xC1C2031B}, + /* 8 2 2 22 */ + {0x000016A0, 0xC2020112}, + + /* Write Leveling */ + /* 0 */ + {0x000016A0, 0xC0004905}, + /* 1 */ + {0x000016A0, 0xC040A81D}, + /* 2 */ + {0x000016A0, 0xC0804504}, + /* 3 */ + {0x000016A0, 0xC0C08013}, + /* 4 */ + {0x000016A0, 0xC1004504}, + /* 5 */ + {0x000016A0, 0xC140A81D}, + /* 6 */ + {0x000016A0, 0xC1805909}, + /* 7 */ + {0x000016A0, 0xC1C09418}, + /* 8 */ + {0x000016A0, 0xC2006D0E}, + + /*center DQS on read cycle */ + {0x000016A0, 0xC803000F}, + {0x00001538, 0x00000009}, /*Read Data Sample Delays Register */ + {0x0000153C, 0x0000000D}, /*Read Data Ready Delay Register */ + /* init DRAM */ + {0x00001480, 0x00000001}, + {0x0, 0x0} +}; + +#endif /* __AXP_TRAINING_STATIC_H */ diff --git a/drivers/ddr/mvebu/ddr3_axp_vars.h b/drivers/ddr/mvebu/ddr3_axp_vars.h new file mode 100644 index 0000000..1b0ab56 --- /dev/null +++ b/drivers/ddr/mvebu/ddr3_axp_vars.h @@ -0,0 +1,226 @@ +/* + * Copyright (C) Marvell International Ltd. and its affiliates + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#ifndef __AXP_VARS_H +#define __AXP_VARS_H + +#include "ddr3_axp_config.h" +#include "ddr3_axp_mc_static.h" +#include "ddr3_axp_training_static.h" + +MV_DRAM_MODES ddr_modes[MV_DDR3_MODES_NUMBER] = { + /* Conf name CPUFreq FabFreq Chip ID Chip/Board MC regs Training Values */ + /* db board values: */ + {"db_800-400", 0xA, 0x5, 0x0, A0, ddr3_A0_db_400, NULL}, + {"db_1200-300", 0x2, 0xC, 0x0, A0, ddr3_A0_db_400, NULL}, + {"db_1200-600", 0x2, 0x5, 0x0, A0, NULL, NULL}, + {"db_1333-667", 0x3, 0x5, 0x0, A0, ddr3_A0_db_667, ddr3_db_rev2_667}, + {"db_1600-800", 0xB, 0x5, 0x0, A0, ddr3_A0_db_667, ddr3_db_rev2_800}, + {"amc_1333-667", 0x3, 0x5, 0x0, A0_AMC, ddr3_A0_AMC_667, NULL}, + {"db_667-667", 0x9, 0x13, 0x0, Z1, ddr3_Z1_db_600, ddr3_db_667}, + {"db_800-400", 0xA, 0x1, 0x0, Z1, ddr3_Z1_db_300, ddr3_db_400}, + {"db_1066-533", 0x1, 0x1, 0x0, Z1, ddr3_Z1_db_300, ddr3_db_533}, + {"db_1200-300", 0x2, 0xC, 0x0, Z1, ddr3_Z1_db_300, ddr3_db_667}, + {"db_1200-600", 0x2, 0x5, 0x0, Z1, ddr3_Z1_db_600, NULL}, + {"db_1333-333", 0x3, 0xC, 0x0, Z1, ddr3_Z1_db_300, ddr3_db_400}, + {"db_1333-667", 0x3, 0x5, 0x0, Z1, ddr3_Z1_db_600, ddr3_db_667}, + /* pcac board values (Z1 device): */ + {"pcac_1200-600", 0x2, 0x5, 0x0, Z1_PCAC, ddr3_Z1_db_600, + ddr3_pcac_600}, + /* rd board values (Z1 device): */ + {"rd_667_0", 0x3, 0x5, 0x0, Z1_RD_SLED, ddr3_Z1_db_600, ddr3_rd_667_0}, + {"rd_667_1", 0x3, 0x5, 0x1, Z1_RD_SLED, ddr3_Z1_db_600, ddr3_rd_667_1}, + {"rd_667_2", 0x3, 0x5, 0x2, Z1_RD_SLED, ddr3_Z1_db_600, ddr3_rd_667_2}, + {"rd_667_3", 0x3, 0x5, 0x3, Z1_RD_SLED, ddr3_Z1_db_600, ddr3_rd_667_3} +}; + +/* ODT settings - if needed update the following tables: (ODT_OPT - represents the CS configuration bitmap) */ + +u16 odt_static[ODT_OPT][MAX_CS] = { /* NearEnd/FarEnd */ + {0, 0, 0, 0}, /* 0000 0/0 - Not supported */ + {ODT40, 0, 0, 0}, /* 0001 0/1 */ + {0, 0, 0, 0}, /* 0010 0/0 - Not supported */ + {ODT40, ODT40, 0, 0}, /* 0011 0/2 */ + {0, 0, ODT40, 0}, /* 0100 1/0 */ + {ODT30, 0, ODT30, 0}, /* 0101 1/1 */ + {0, 0, 0, 0}, /* 0110 0/0 - Not supported */ + {ODT120, ODT20, ODT20, 0}, /* 0111 1/2 */ + {0, 0, 0, 0}, /* 1000 0/0 - Not supported */ + {0, 0, 0, 0}, /* 1001 0/0 - Not supported */ + {0, 0, 0, 0}, /* 1010 0/0 - Not supported */ + {0, 0, 0, 0}, /* 1011 0/0 - Not supported */ + {0, 0, ODT40, 0}, /* 1100 2/0 */ + {ODT20, 0, ODT120, ODT20}, /* 1101 2/1 */ + {0, 0, 0, 0}, /* 1110 0/0 - Not supported */ + {ODT120, ODT30, ODT120, ODT30} /* 1111 2/2 */ +}; + +u16 odt_dynamic[ODT_OPT][MAX_CS] = { /* NearEnd/FarEnd */ + {0, 0, 0, 0}, /* 0000 0/0 */ + {0, 0, 0, 0}, /* 0001 0/1 */ + {0, 0, 0, 0}, /* 0010 0/0 - Not supported */ + {0, 0, 0, 0}, /* 0011 0/2 */ + {0, 0, 0, 0}, /* 0100 1/0 */ + {ODT120D, 0, ODT120D, 0}, /* 0101 1/1 */ + {0, 0, 0, 0}, /* 0110 0/0 - Not supported */ + {0, 0, ODT120D, 0}, /* 0111 1/2 */ + {0, 0, 0, 0}, /* 1000 0/0 - Not supported */ + {0, 0, 0, 0}, /* 1001 0/0 - Not supported */ + {0, 0, 0, 0}, /* 1010 0/0 - Not supported */ + {0, 0, 0, 0}, /* 1011 0/0 - Not supported */ + {0, 0, 0, 0}, /* 1100 2/0 */ + {ODT120D, 0, 0, 0}, /* 1101 2/1 */ + {0, 0, 0, 0}, /* 1110 0/0 - Not supported */ + {0, 0, 0, 0} /* 1111 2/2 */ +}; + +u32 odt_config[ODT_OPT] = { + 0, 0x00010000, 0, 0x00030000, 0x04000000, 0x05050104, 0, 0x07430340, 0, + 0, 0, 0, + 0x30000, 0x1C0D100C, 0, 0x3CC330C0 +}; + +/* + * User can manually set SPD values (in case SPD is not available on + * DIMM/System). + * SPD Values can simplify calculating the DUNIT registers values + */ +u8 spd_data[SPD_SIZE] = { + /* AXP DB Board DIMM SPD Values - manually set */ + 0x92, 0x10, 0x0B, 0x2, 0x3, 0x19, 0x0, 0x9, 0x09, 0x52, 0x1, 0x8, 0x0C, + 0x0, 0x7E, 0x0, 0x69, 0x78, + 0x69, 0x30, 0x69, 0x11, 0x20, 0x89, 0x0, 0x5, 0x3C, 0x3C, 0x0, 0xF0, + 0x82, 0x5, 0x80, 0x0, 0x0, 0x0, + 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, + 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, + 0x0, 0x0, 0x0, 0x0, 0x0F, 0x1, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, + 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, + 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, + 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, + 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, + 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, + 0x0, 0x80, 0x2C, 0x1, 0x10, 0x23, 0x35, 0x28, 0xEB, 0xCA, 0x19, 0x8F +}; + +/* + * Controller Specific configurations Starts Here - DO NOT MODIFY + */ + +/* Frequency - values are 1/HCLK in ps */ +u32 cpu_fab_clk_to_hclk[FAB_OPT][CLK_CPU] = +/* CPU Frequency: + 1000 1066 1200 1333 1500 1666 1800 2000 600 667 800 1600 Fabric */ +{ + {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, + {0, 0, 0, 0, 0, 0, 0, 0, 0, 3000, 2500, 0}, + {0, 0, 0, 0, 0, 0, 0, 0, 0, 4500, 3750, 0}, + {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, + {0, 0, 2500, 0, 0, 0, 0, 0, 0, 0, 0, 0}, + {4000, 3750, 3333, 3000, 2666, 2400, 0, 0, 0, 0, 5000, 2500}, + {0, 0, 0, 0, 0, 0, 0, 0, 0, 3000, 0, 0}, + {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, + {2500, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, + {0, 0, 5000, 0, 4000, 0, 0, 0, 0, 0, 0, 3750}, + {5000, 0, 0, 3750, 3333, 0, 0, 0, 0, 0, 0, 3125}, + {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, + {0, 0, 3330, 3000, 0, 0, 0, 0, 0, 0, 0, 2500}, + {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3750}, + {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, + {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, + {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, + {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, + {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, + {0, 0, 0, 0, 0, 0, 0, 0, 0, 3000, 2500, 0}, + {3000, 0, 2500, 0, 0, 0, 0, 0, 0, 0, 3750, 0} +}; + +u32 cpu_ddr_ratios[FAB_OPT][CLK_CPU] = +/* CPU Frequency: + 1000 1066 1200 1333 1500 1666 1800 2000 600 667 800 1600 Fabric */ +{ + {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, + {0, 0, 0, 0, 0, 0, 0, 0, 0, DDR_333, DDR_400, 0}, + {0, 0, 0, 0, 0, 0, 0, 0, 0, DDR_444, DDR_533, 0}, + {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, + {0, 0, DDR_400, 0, 0, 0, 0, 0, 0, 0, 0, 0}, + {DDR_500, DDR_533, DDR_600, DDR_666, DDR_750, DDR_833, 0, 0, 0, 0, + DDR_400, DDR_800}, + {0, 0, 0, 0, 0, 0, 0, 0, 0, DDR_333, 0, 0}, + {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, + {DDR_400, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, + {0, 0, DDR_400, 0, DDR_500, 0, 0, 0, 0, 0, 0, DDR_533}, + {DDR_400, 0, 0, DDR_533, DDR_600, 0, 0, 0, 0, 0, 0, DDR_640}, + {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, + {0, 0, DDR_300, DDR_333, 0, 0, 0, 0, 0, 0, 0, DDR_400}, + {0, 0, 0, 0, 0, 0, DDR_600, DDR_666, 0, 0, 0, DDR_533}, + {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, + {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, + {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, + {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, + {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, + {0, 0, 0, 0, 0, 0, 0, 0, 0, DDR_666, DDR_800, 0}, + {DDR_666, 0, DDR_800, 0, 0, 0, 0, 0, 0, 0, DDR_533, 0} +}; + +u8 div_ratio1to1[CLK_VCO][CLK_DDR] = +/* DDR Frequency: + 100 300 360 400 444 500 533 600 666 750 800 833 */ +{ {0xA, 3, 0, 3, 0, 2, 0, 0, 0, 0, 0, 0}, /* 1:1 CLK_CPU_1000 */ +{0xB, 3, 0, 3, 0, 0, 2, 0, 0, 0, 0, 0}, /* 1:1 CLK_CPU_1066 */ +{0xC, 4, 0, 3, 0, 0, 0, 2, 0, 0, 0, 0}, /* 1:1 CLK_CPU_1200 */ +{0xD, 4, 0, 4, 0, 0, 0, 0, 2, 0, 0, 0}, /* 1:1 CLK_CPU_1333 */ +{0xF, 5, 0, 4, 0, 3, 0, 0, 0, 0, 0, 0}, /* 1:1 CLK_CPU_1500 */ +{0x11, 5, 0, 4, 0, 0, 0, 0, 0, 0, 0, 0}, /* 1:1 CLK_CPU_1666 */ +{0x12, 6, 5, 4, 0, 0, 0, 3, 0, 0, 0, 0}, /* 1:1 CLK_CPU_1800 */ +{0x14, 7, 0, 5, 0, 4, 0, 0, 3, 0, 0, 0}, /* 1:1 CLK_CPU_2000 */ +{0x6, 2, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0}, /* 1:1 CLK_CPU_600 */ +{0x6, 2, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0}, /* 1:1 CLK_CPU_667 */ +{0x8, 2, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0}, /* 1:1 CLK_CPU_800 */ +{0x10, 5, 0, 4, 0, 0, 0, 0, 0, 0, 0, 0}, /* 1:1 CLK_CPU_1600 */ +{0x14, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0, 0}, /* 1:1 CLK_CPU_1000 VCO_2000 */ +{0x15, 0, 0, 6, 0, 0, 0, 0, 0, 0, 0, 0}, /* 1:1 CLK_CPU_1066 VCO_2133 */ +{0x18, 0, 0, 6, 0, 0, 0, 0, 0, 0, 0, 0}, /* 1:1 CLK_CPU_1200 VCO_2400 */ +{0x1A, 0, 0, 7, 0, 0, 0, 0, 0, 0, 0, 0}, /* 1:1 CLK_CPU_1333 VCO_2666 */ +{0x1E, 0, 0, 8, 0, 0, 0, 0, 0, 0, 0, 0}, /* 1:1 CLK_CPU_1500 VCO_3000 */ +{0x21, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0}, /* 1:1 CLK_CPU_1666 VCO_3333 */ +{0x24, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0}, /* 1:1 CLK_CPU_1800 VCO_3600 */ +{0x28, 0, 0, 10, 0, 0, 0, 0, 0, 0, 0, 0}, /* 1:1 CLK_CPU_2000 VCO_4000 */ +{0xC, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0}, /* 1:1 CLK_CPU_600 VCO_1200 */ +{0xD, 0, 0, 4, 0, 0, 0, 0, 0, 0, 0, 0}, /* 1:1 CLK_CPU_667 VCO_1333 */ +{0x10, 0, 0, 4, 0, 0, 0, 0, 0, 0, 0, 0}, /* 1:1 CLK_CPU_800 VCO_1600 */ +{0x20, 10, 0, 8, 0, 0, 0, 0, 0, 0, 0, 0} /* 1:1 CLK_CPU_1600 VCO_3200 */ +}; + +u8 div_ratio2to1[CLK_VCO][CLK_DDR] = +/* DDR Frequency: + 100 300 360 400 444 500 533 600 666 750 800 833 */ +{ {0, 0, 0, 0, 0, 2, 0, 0, 3, 0, 0, 0}, /* 2:1 CLK_CPU_1000 */ +{0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0}, /* 2:1 CLK_CPU_1066 */ +{0, 0, 0, 3, 5, 0, 0, 2, 0, 0, 3, 3}, /* 2:1 CLK_CPU_1200 */ +{0, 0, 0, 0, 0, 0, 5, 0, 2, 0, 3, 0}, /* 2:1 CLK_CPU_1333 */ +{0, 0, 0, 0, 0, 3, 0, 5, 0, 2, 0, 0}, /* 2:1 CLK_CPU_1500 */ +{0, 0, 0, 0, 0, 0, 0, 0, 5, 0, 0, 2}, /* 2:1 CLK_CPU_1666 */ +{0, 0, 0, 0, 0, 0, 0, 3, 0, 5, 0, 0}, /* 2:1 CLK_CPU_1800 */ +{0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 5}, /* 2:1 CLK_CPU_2000 */ +{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, /* 2:1 CLK_CPU_600 */ +{0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0}, /* 2:1 CLK_CPU_667 */ +{0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 1, 0}, /* 2:1 CLK_CPU_800 */ +{0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 2, 0}, /* 2:1 CLK_CPU_1600 */ +{0, 0, 0, 5, 0, 0, 0, 0, 3, 0, 0, 0}, /* 2:1 CLK_CPU_1000 VCO_2000 */ +{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, /* 2:1 CLK_CPU_1066 VCO_2133 */ +{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0}, /* 2:1 CLK_CPU_1200 VCO_2400 */ +{0, 0, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0}, /* 2:1 CLK_CPU_1333 VCO_2666 */ +{0, 0, 0, 0, 0, 0, 0, 5, 0, 0, 0, 0}, /* 2:1 CLK_CPU_1500 VCO_3000 */ +{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, /* 2:1 CLK_CPU_1666 VCO_3333 */ +{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, /* 2:1 CLK_CPU_1800 VCO_3600 */ +{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, /* 2:1 CLK_CPU_2000 VCO_4000 */ +{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, /* 2:1 CLK_CPU_600 VCO_1200 */ +{0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0}, /* 2:1 CLK_CPU_667 VCO_1333 */ +{0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0}, /* 2:1 CLK_CPU_800 VCO_1600 */ +{0, 0, 0, 0, 0, 0, 0, 5, 5, 0, 0, 0} /* 2:1 CLK_CPU_1600 VCO_3200 */ +}; + +#endif /* __AXP_VARS_H */ diff --git a/drivers/ddr/mvebu/ddr3_dfs.c b/drivers/ddr/mvebu/ddr3_dfs.c new file mode 100644 index 0000000..9347773 --- /dev/null +++ b/drivers/ddr/mvebu/ddr3_dfs.c @@ -0,0 +1,1552 @@ +/* + * Copyright (C) Marvell International Ltd. and its affiliates + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#include <common.h> +#include <i2c.h> +#include <spl.h> +#include <asm/io.h> +#include <asm/arch/cpu.h> +#include <asm/arch/soc.h> + +#include "ddr3_hw_training.h" + +/* + * Debug + */ +#define DEBUG_DFS_C(s, d, l) \ + DEBUG_DFS_S(s); DEBUG_DFS_D(d, l); DEBUG_DFS_S("\n") +#define DEBUG_DFS_FULL_C(s, d, l) \ + DEBUG_DFS_FULL_S(s); DEBUG_DFS_FULL_D(d, l); DEBUG_DFS_FULL_S("\n") + +#ifdef MV_DEBUG_DFS +#define DEBUG_DFS_S(s) puts(s) +#define DEBUG_DFS_D(d, l) printf("%x", d) +#else +#define DEBUG_DFS_S(s) +#define DEBUG_DFS_D(d, l) +#endif + +#ifdef MV_DEBUG_DFS_FULL +#define DEBUG_DFS_FULL_S(s) puts(s) +#define DEBUG_DFS_FULL_D(d, l) printf("%x", d) +#else +#define DEBUG_DFS_FULL_S(s) +#define DEBUG_DFS_FULL_D(d, l) +#endif + +#if defined(MV88F672X) +extern u8 div_ratio[CLK_VCO][CLK_DDR]; +extern void get_target_freq(u32 freq_mode, u32 *ddr_freq, u32 *hclk_ps); +#else +extern u16 odt_dynamic[ODT_OPT][MAX_CS]; +extern u8 div_ratio1to1[CLK_CPU][CLK_DDR]; +extern u8 div_ratio2to1[CLK_CPU][CLK_DDR]; +#endif +extern u16 odt_static[ODT_OPT][MAX_CS]; + +extern u32 cpu_fab_clk_to_hclk[FAB_OPT][CLK_CPU]; + +extern u32 ddr3_get_vco_freq(void); + +u32 ddr3_get_freq_parameter(u32 target_freq, int ratio_2to1); + +#ifdef MV_DEBUG_DFS +static inline void dfs_reg_write(u32 addr, u32 val) +{ + printf("\n write reg 0x%08x = 0x%08x", addr, val); + writel(val, INTER_REGS_BASE + addr); +} +#else +static inline void dfs_reg_write(u32 addr, u32 val) +{ + writel(val, INTER_REGS_BASE + addr); +} +#endif + +static void wait_refresh_op_complete(void) +{ + u32 reg; + + /* Poll - Wait for Refresh operation completion */ + do { + reg = reg_read(REG_SDRAM_OPERATION_ADDR) & + REG_SDRAM_OPERATION_CMD_RFRS_DONE; + } while (reg); /* Wait for '0' */ +} + +/* + * Name: ddr3_get_freq_parameter + * Desc: Finds CPU/DDR frequency ratio according to Sample@reset and table. + * Args: target_freq - target frequency + * Notes: + * Returns: freq_par - the ratio parameter + */ +u32 ddr3_get_freq_parameter(u32 target_freq, int ratio_2to1) +{ + u32 ui_vco_freq, freq_par; + + ui_vco_freq = ddr3_get_vco_freq(); + +#if defined(MV88F672X) + freq_par = div_ratio[ui_vco_freq][target_freq]; +#else + /* Find the ratio between PLL frequency and ddr-clk */ + if (ratio_2to1) + freq_par = div_ratio2to1[ui_vco_freq][target_freq]; + else + freq_par = div_ratio1to1[ui_vco_freq][target_freq]; +#endif + + return freq_par; +} + +/* + * Name: ddr3_dfs_high_2_low + * Desc: + * Args: freq - target frequency + * Notes: + * Returns: MV_OK - success, MV_FAIL - fail + */ +int ddr3_dfs_high_2_low(u32 freq, MV_DRAM_INFO *dram_info) +{ +#if defined(MV88F78X60) || defined(MV88F672X) + /* This Flow is relevant for ArmadaXP A0 */ + u32 reg, freq_par, tmp; + u32 cs = 0; + + DEBUG_DFS_C("DDR3 - DFS - High To Low - Starting DFS procedure to Frequency - ", + freq, 1); + + /* target frequency - 100MHz */ + freq_par = ddr3_get_freq_parameter(freq, 0); + +#if defined(MV88F672X) + u32 hclk; + u32 cpu_freq = ddr3_get_cpu_freq(); + get_target_freq(cpu_freq, &tmp, &hclk); +#endif + + /* Configure - DRAM DLL final state after DFS is complete - Enable */ + reg = reg_read(REG_DFS_ADDR); + /* [0] - DfsDllNextState - Disable */ + reg |= (1 << REG_DFS_DLLNEXTSTATE_OFFS); + dfs_reg_write(REG_DFS_ADDR, reg); /* 0x1528 - DFS register */ + + /* + * Configure - XBAR Retry response during Block to enable internal + * access - Disable + */ + reg = reg_read(REG_METAL_MASK_ADDR); + /* [0] - RetryMask - Disable */ + reg &= ~(1 << REG_METAL_MASK_RETRY_OFFS); + /* 0x14B0 - Dunit MMask Register */ + dfs_reg_write(REG_METAL_MASK_ADDR, reg); + + /* Configure - Block new external transactions - Enable */ + reg = reg_read(REG_DFS_ADDR); + reg |= (1 << REG_DFS_BLOCK_OFFS); /* [1] - DfsBlock - Enable */ + dfs_reg_write(REG_DFS_ADDR, reg); /* 0x1528 - DFS register */ + + /* Registered DIMM support */ + if (dram_info->reg_dimm) { + /* + * Configure - Disable Register DIMM CKE Power + * Down mode - CWA_RC + */ + reg = (0x9 & REG_SDRAM_OPERATION_CWA_RC_MASK) << + REG_SDRAM_OPERATION_CWA_RC_OFFS; + /* + * Configure - Disable Register DIMM CKE Power + * Down mode - CWA_DATA + */ + reg |= ((0 & REG_SDRAM_OPERATION_CWA_DATA_MASK) << + REG_SDRAM_OPERATION_CWA_DATA_OFFS); + + /* + * Configure - Disable Register DIMM CKE Power + * Down mode - Set Delay - tMRD + */ + reg |= (0 << REG_SDRAM_OPERATION_CWA_DELAY_SEL_OFFS); + + /* Configure - Issue CWA command with the above parameters */ + reg |= (REG_SDRAM_OPERATION_CMD_CWA & + ~(0xF << REG_SDRAM_OPERATION_CS_OFFS)); + + /* 0x1418 - SDRAM Operation Register */ + dfs_reg_write(REG_SDRAM_OPERATION_ADDR, reg); + + /* Poll - Wait for CWA operation completion */ + do { + reg = reg_read(REG_SDRAM_OPERATION_ADDR) & + (REG_SDRAM_OPERATION_CMD_MASK); + } while (reg); + + /* Configure - Disable outputs floating during Self Refresh */ + reg = reg_read(REG_REGISTERED_DRAM_CTRL_ADDR); + /* [15] - SRFloatEn - Disable */ + reg &= ~(1 << REG_REGISTERED_DRAM_CTRL_SR_FLOAT_OFFS); + /* 0x16D0 - DDR3 Registered DRAM Control */ + dfs_reg_write(REG_REGISTERED_DRAM_CTRL_ADDR, reg); + } + + /* Optional - Configure - DDR3_Rtt_nom_CS# */ + for (cs = 0; cs < MAX_CS; cs++) { + if (dram_info->cs_ena & (1 << cs)) { + reg = reg_read(REG_DDR3_MR1_CS_ADDR + + (cs << MR_CS_ADDR_OFFS)); + reg &= REG_DDR3_MR1_RTT_MASK; + dfs_reg_write(REG_DDR3_MR1_CS_ADDR + + (cs << MR_CS_ADDR_OFFS), reg); + } + } + + /* Configure - Move DRAM into Self Refresh */ + reg = reg_read(REG_DFS_ADDR); + reg |= (1 << REG_DFS_SR_OFFS); /* [2] - DfsSR - Enable */ + dfs_reg_write(REG_DFS_ADDR, reg); /* 0x1528 - DFS register */ + + /* Poll - Wait for Self Refresh indication */ + do { + reg = ((reg_read(REG_DFS_ADDR)) & (1 << REG_DFS_ATSR_OFFS)); + } while (reg == 0x0); /* 0x1528 [3] - DfsAtSR - Wait for '1' */ + + /* Start of clock change procedure (PLL) */ +#if defined(MV88F672X) + /* avantaLP */ + /* Configure cpupll_clkdiv_reset_mask */ + reg = reg_read(CPU_PLL_CLOCK_DIVIDER_CNTRL0); + reg &= CPU_PLL_CLOCK_DIVIDER_CNTRL0_MASK; + /* 0xE8264[7:0] 0xff CPU Clock Dividers Reset mask */ + dfs_reg_write(CPU_PLL_CLOCK_DIVIDER_CNTRL0, (reg + 0xFF)); + + /* Configure cpu_clkdiv_reload_smooth */ + reg = reg_read(CPU_PLL_CNTRL0); + reg &= CPU_PLL_CNTRL0_RELOAD_SMOOTH_MASK; + /* 0xE8260 [15:8] 0x2 CPU Clock Dividers Reload Smooth enable */ + dfs_reg_write(CPU_PLL_CNTRL0, + (reg + (2 << CPU_PLL_CNTRL0_RELOAD_SMOOTH_OFFS))); + + /* Configure cpupll_clkdiv_relax_en */ + reg = reg_read(CPU_PLL_CNTRL0); + reg &= CPU_PLL_CNTRL0_RELAX_EN_MASK; + /* 0xE8260 [31:24] 0x2 Relax Enable */ + dfs_reg_write(CPU_PLL_CNTRL0, + (reg + (2 << CPU_PLL_CNTRL0_RELAX_EN_OFFS))); + + /* Configure cpupll_clkdiv_ddr_clk_ratio */ + reg = reg_read(CPU_PLL_CLOCK_DIVIDER_CNTRL1); + /* + * 0xE8268 [13:8] N Set Training clock: + * APLL Out Clock (VCO freq) / N = 100 MHz + */ + reg &= CPU_PLL_CLOCK_DIVIDER_CNTRL1_MASK; + reg |= (freq_par << 8); /* full Integer ratio from PLL-out to ddr-clk */ + dfs_reg_write(CPU_PLL_CLOCK_DIVIDER_CNTRL1, reg); + + /* Configure cpupll_clkdiv_reload_ratio */ + reg = reg_read(CPU_PLL_CLOCK_DIVIDER_CNTRL0); + reg &= CPU_PLL_CLOCK_RELOAD_RATIO_MASK; + /* 0xE8264 [8]=0x1 CPU Clock Dividers Reload Ratio trigger set */ + dfs_reg_write(CPU_PLL_CLOCK_DIVIDER_CNTRL0, + (reg + (1 << CPU_PLL_CLOCK_RELOAD_RATIO_OFFS))); + + udelay(1); + + /* Configure cpupll_clkdiv_reload_ratio */ + reg = reg_read(CPU_PLL_CLOCK_DIVIDER_CNTRL0); + reg &= CPU_PLL_CLOCK_RELOAD_RATIO_MASK; + /* 0xE8264 [8]=0x0 CPU Clock Dividers Reload Ratio trigger clear */ + dfs_reg_write(CPU_PLL_CLOCK_DIVIDER_CNTRL0, reg); + + udelay(5); + +#else + /* + * Initial Setup - assure that the "load new ratio" is clear (bit 24) + * and in the same chance, block reassertions of reset [15:8] and + * force reserved bits[7:0]. + */ + reg = 0x0000FDFF; + /* 0x18700 - CPU Div CLK control 0 */ + dfs_reg_write(REG_CPU_DIV_CLK_CTRL_0_ADDR, reg); + + /* + * RelaX whenever reset is asserted to that channel + * (good for any case) + */ + reg = 0x0000FF00; + /* 0x18704 - CPU Div CLK control 0 */ + dfs_reg_write(REG_CPU_DIV_CLK_CTRL_1_ADDR, reg); + + reg = reg_read(REG_CPU_DIV_CLK_CTRL_2_ADDR) & + REG_CPU_DIV_CLK_CTRL_3_FREQ_MASK; + + /* full Integer ratio from PLL-out to ddr-clk */ + reg |= (freq_par << REG_CPU_DIV_CLK_CTRL_3_FREQ_OFFS); + /* 0x1870C - CPU Div CLK control 3 register */ + dfs_reg_write(REG_CPU_DIV_CLK_CTRL_2_ADDR, reg); + + /* + * Shut off clock enable to the DDRPHY clock channel (this is the "D"). + * All the rest are kept as is (forced, but could be read-modify-write). + * This is done now by RMW above. + */ + + /* Clock is not shut off gracefully - keep it running */ + reg = 0x000FFF02; + dfs_reg_write(REG_CPU_DIV_CLK_CTRL_4_ADDR, reg); + + /* Wait before replacing the clock on the DDR Phy Channel. */ + udelay(1); + + /* + * This for triggering the frequency update. Bit[24] is the + * central control + * bits [23:16] == which channels to change ==2 ==> + * only DDR Phy (smooth transition) + * bits [15:8] == mask reset reassertion due to clock modification + * to these channels. + * bits [7:0] == not in use + */ + reg = 0x0102FDFF; + /* 0x18700 - CPU Div CLK control 0 register */ + dfs_reg_write(REG_CPU_DIV_CLK_CTRL_0_ADDR, reg); + + udelay(1); /* Wait 1usec */ + + /* + * Poll Div CLK status 0 register - indication that the clocks + * are active - 0x18718 [8] + */ + do { + reg = (reg_read(REG_CPU_DIV_CLK_STATUS_0_ADDR)) & + (1 << REG_CPU_DIV_CLK_ALL_STABLE_OFFS); + } while (reg == 0); + + /* + * Clean the CTRL0, to be ready for next resets and next requests + * of ratio modifications. + */ + reg = 0x000000FF; + /* 0x18700 - CPU Div CLK control 0 register */ + dfs_reg_write(REG_CPU_DIV_CLK_CTRL_0_ADDR, reg); + + udelay(5); +#endif + /* End of clock change procedure (PLL) */ + + /* Configure - Select normal clock for the DDR PHY - Enable */ + reg = reg_read(REG_DRAM_INIT_CTRL_STATUS_ADDR); + /* [16] - ddr_phy_trn_clk_sel - Enable */ + reg |= (1 << REG_DRAM_INIT_CTRL_TRN_CLK_OFFS); + /* 0x18488 - DRAM Init control status register */ + dfs_reg_write(REG_DRAM_INIT_CTRL_STATUS_ADDR, reg); + + /* Configure - Set Correct Ratio - 1:1 */ + /* [15] - Phy2UnitClkRatio = 0 - Set 1:1 Ratio between Dunit and Phy */ + + reg = reg_read(REG_DDR_IO_ADDR) & ~(1 << REG_DDR_IO_CLK_RATIO_OFFS); + dfs_reg_write(REG_DDR_IO_ADDR, reg); /* 0x1524 - DDR IO Register */ + + /* Configure - 2T Mode - Restore original configuration */ + reg = reg_read(REG_DUNIT_CTRL_LOW_ADDR); + /* [3:4] 2T - 1T Mode - low freq */ + reg &= ~(REG_DUNIT_CTRL_LOW_2T_MASK << REG_DUNIT_CTRL_LOW_2T_OFFS); + /* 0x1404 - DDR Controller Control Low Register */ + dfs_reg_write(REG_DUNIT_CTRL_LOW_ADDR, reg); + + /* Configure - Restore CL and CWL - MRS Commands */ + reg = reg_read(REG_DFS_ADDR); + reg &= ~(REG_DFS_CL_NEXT_STATE_MASK << REG_DFS_CL_NEXT_STATE_OFFS); + reg &= ~(REG_DFS_CWL_NEXT_STATE_MASK << REG_DFS_CWL_NEXT_STATE_OFFS); + /* [8] - DfsCLNextState - MRS CL=6 after DFS (due to DLL-off mode) */ + reg |= (0x4 << REG_DFS_CL_NEXT_STATE_OFFS); + /* [12] - DfsCWLNextState - MRS CWL=6 after DFS (due to DLL-off mode) */ + reg |= (0x1 << REG_DFS_CWL_NEXT_STATE_OFFS); + dfs_reg_write(REG_DFS_ADDR, reg); /* 0x1528 - DFS register */ + + /* Poll - Wait for APLL + ADLLs lock on new frequency */ + do { + reg = (reg_read(REG_PHY_LOCK_STATUS_ADDR)) & + REG_PHY_LOCK_APLL_ADLL_STATUS_MASK; + /* 0x1674 [10:0] - Phy lock status Register */ + } while (reg != REG_PHY_LOCK_APLL_ADLL_STATUS_MASK); + + /* Configure - Reset the PHY Read FIFO and Write channels - Set Reset */ + reg = (reg_read(REG_SDRAM_CONFIG_ADDR) & REG_SDRAM_CONFIG_MASK); + /* [30:29] = 0 - Data Pup R/W path reset */ + /* 0x1400 - SDRAM Configuration register */ + dfs_reg_write(REG_SDRAM_CONFIG_ADDR, reg); + + /* + * Configure - DRAM Data PHY Read [30], Write [29] path + * reset - Release Reset + */ + reg = (reg_read(REG_SDRAM_CONFIG_ADDR) | ~REG_SDRAM_CONFIG_MASK); + /* [30:29] = '11' - Data Pup R/W path reset */ + /* 0x1400 - SDRAM Configuration register */ + dfs_reg_write(REG_SDRAM_CONFIG_ADDR, reg); + + /* Registered DIMM support */ + if (dram_info->reg_dimm) { + /* + * Configure - Change register DRAM operating speed + * (below 400MHz) - CWA_RC + */ + reg = (0xA & REG_SDRAM_OPERATION_CWA_RC_MASK) << + REG_SDRAM_OPERATION_CWA_RC_OFFS; + + /* + * Configure - Change register DRAM operating speed + * (below 400MHz) - CWA_DATA + */ + reg |= ((0x0 & REG_SDRAM_OPERATION_CWA_DATA_MASK) << + REG_SDRAM_OPERATION_CWA_DATA_OFFS); + + /* Configure - Set Delay - tSTAB */ + reg |= (0x1 << REG_SDRAM_OPERATION_CWA_DELAY_SEL_OFFS); + + /* Configure - Issue CWA command with the above parameters */ + reg |= (REG_SDRAM_OPERATION_CMD_CWA & + ~(0xF << REG_SDRAM_OPERATION_CS_OFFS)); + + /* 0x1418 - SDRAM Operation Register */ + dfs_reg_write(REG_SDRAM_OPERATION_ADDR, reg); + + /* Poll - Wait for CWA operation completion */ + do { + reg = reg_read(REG_SDRAM_OPERATION_ADDR) & + (REG_SDRAM_OPERATION_CMD_MASK); + } while (reg); + } + + /* Configure - Exit Self Refresh */ + /* [2] - DfsSR */ + reg = (reg_read(REG_DFS_ADDR) & ~(1 << REG_DFS_SR_OFFS)); + dfs_reg_write(REG_DFS_ADDR, reg); /* 0x1528 - DFS register */ + + /* + * Poll - DFS Register - 0x1528 [3] - DfsAtSR - All DRAM devices + * on all ranks are NOT in self refresh mode + */ + do { + reg = ((reg_read(REG_DFS_ADDR)) & (1 << REG_DFS_ATSR_OFFS)); + } while (reg); /* Wait for '0' */ + + /* Configure - Issue Refresh command */ + /* [3-0] = 0x2 - Refresh Command, [11-8] - enabled Cs */ + reg = REG_SDRAM_OPERATION_CMD_RFRS; + for (cs = 0; cs < MAX_CS; cs++) { + if (dram_info->cs_ena & (1 << cs)) + reg &= ~(1 << (REG_SDRAM_OPERATION_CS_OFFS + cs)); + } + + /* 0x1418 - SDRAM Operation Register */ + dfs_reg_write(REG_SDRAM_OPERATION_ADDR, reg); + + /* Poll - Wait for Refresh operation completion */ + wait_refresh_op_complete(); + + /* Configure - Block new external transactions - Disable */ + reg = reg_read(REG_DFS_ADDR); + reg &= ~(1 << REG_DFS_BLOCK_OFFS); /* [1] - DfsBlock - Disable */ + dfs_reg_write(REG_DFS_ADDR, reg); /* 0x1528 - DFS register */ + + /* + * Configure - XBAR Retry response during Block to enable + * internal access - Disable + */ + reg = reg_read(REG_METAL_MASK_ADDR); + /* [0] - RetryMask - Enable */ + reg |= (1 << REG_METAL_MASK_RETRY_OFFS); + /* 0x14B0 - Dunit MMask Register */ + dfs_reg_write(REG_METAL_MASK_ADDR, reg); + + for (cs = 0; cs < MAX_CS; cs++) { + if (dram_info->cs_ena & (1 << cs)) { + /* Configure - Set CL */ + reg = reg_read(REG_DDR3_MR0_CS_ADDR + + (cs << MR_CS_ADDR_OFFS)) & + ~REG_DDR3_MR0_CL_MASK; + tmp = 0x4; /* CL=6 - 0x4 */ + reg |= ((tmp & 0x1) << REG_DDR3_MR0_CL_OFFS); + reg |= ((tmp & 0xE) << REG_DDR3_MR0_CL_HIGH_OFFS); + dfs_reg_write(REG_DDR3_MR0_CS_ADDR + + (cs << MR_CS_ADDR_OFFS), reg); + + /* Configure - Set CWL */ + reg = reg_read(REG_DDR3_MR2_CS_ADDR + + (cs << MR_CS_ADDR_OFFS)) + & ~(REG_DDR3_MR2_CWL_MASK << REG_DDR3_MR2_CWL_OFFS); + /* CWL=6 - 0x1 */ + reg |= ((0x1) << REG_DDR3_MR2_CWL_OFFS); + dfs_reg_write(REG_DDR3_MR2_CS_ADDR + + (cs << MR_CS_ADDR_OFFS), reg); + } + } + + DEBUG_DFS_C("DDR3 - DFS - High To Low - Ended successfuly - new Frequency - ", + freq, 1); + + return MV_OK; +#else + /* This Flow is relevant for Armada370 A0 and ArmadaXP Z1 */ + + u32 reg, freq_par; + u32 cs = 0; + + DEBUG_DFS_C("DDR3 - DFS - High To Low - Starting DFS procedure to Frequency - ", + freq, 1); + + /* target frequency - 100MHz */ + freq_par = ddr3_get_freq_parameter(freq, 0); + + reg = 0x0000FF00; + /* 0x18700 - CPU Div CLK control 0 */ + dfs_reg_write(REG_CPU_DIV_CLK_CTRL_1_ADDR, reg); + + /* 0x1600 - ODPG_CNTRL_Control */ + reg = reg_read(REG_ODPG_CNTRL_ADDR); + /* [21] = 1 - auto refresh disable */ + reg |= (1 << REG_ODPG_CNTRL_OFFS); + dfs_reg_write(REG_ODPG_CNTRL_ADDR, reg); + + /* 0x1670 - PHY lock mask register */ + reg = reg_read(REG_PHY_LOCK_MASK_ADDR); + reg &= REG_PHY_LOCK_MASK_MASK; /* [11:0] = 0 */ + dfs_reg_write(REG_PHY_LOCK_MASK_ADDR, reg); + + reg = reg_read(REG_DFS_ADDR); /* 0x1528 - DFS register */ + + /* Disable reconfig */ + reg &= ~0x10; /* [4] - Enable reconfig MR registers after DFS_ERG */ + reg |= 0x1; /* [0] - DRAM DLL disabled after DFS */ + + dfs_reg_write(REG_DFS_ADDR, reg); /* 0x1528 - DFS register */ + + reg = reg_read(REG_METAL_MASK_ADDR) & ~(1 << 0); /* [0] - disable */ + /* 0x14B0 - Dunit MMask Register */ + dfs_reg_write(REG_METAL_MASK_ADDR, reg); + + /* [1] - DFS Block enable */ + reg = reg_read(REG_DFS_ADDR) | (1 << REG_DFS_BLOCK_OFFS); + dfs_reg_write(REG_DFS_ADDR, reg); /* 0x1528 - DFS register */ + + /* [2] - DFS Self refresh enable */ + reg = reg_read(REG_DFS_ADDR) | (1 << REG_DFS_SR_OFFS); + dfs_reg_write(REG_DFS_ADDR, reg); /* 0x1528 - DFS register */ + + /* + * Poll DFS Register - 0x1528 [3] - DfsAtSR - + * All DRAM devices on all ranks are in self refresh mode - + * DFS can be executed afterwards + */ + do { + reg = reg_read(REG_DFS_ADDR) & (1 << REG_DFS_ATSR_OFFS); + } while (reg == 0x0); /* Wait for '1' */ + + /* Disable ODT on DLL-off mode */ + dfs_reg_write(REG_SDRAM_ODT_CTRL_HIGH_ADDR, + REG_SDRAM_ODT_CTRL_HIGH_OVRD_MASK); + + /* [11:0] = 0 */ + reg = (reg_read(REG_PHY_LOCK_MASK_ADDR) & REG_PHY_LOCK_MASK_MASK); + /* 0x1670 - PHY lock mask register */ + dfs_reg_write(REG_PHY_LOCK_MASK_ADDR, reg); + + /* Add delay between entering SR and start ratio modification */ + udelay(1); + + /* + * Initial Setup - assure that the "load new ratio" is clear (bit 24) + * and in the same chance, block reassertions of reset [15:8] and + * force reserved bits[7:0]. + */ + reg = 0x0000FDFF; + /* 0x18700 - CPU Div CLK control 0 */ + dfs_reg_write(REG_CPU_DIV_CLK_CTRL_0_ADDR, reg); + + /* + * RelaX whenever reset is asserted to that channel (good for any case) + */ + reg = 0x0000FF00; + /* 0x18700 - CPU Div CLK control 0 */ + dfs_reg_write(REG_CPU_DIV_CLK_CTRL_1_ADDR, reg); + + reg = reg_read(REG_CPU_DIV_CLK_CTRL_3_ADDR) & + REG_CPU_DIV_CLK_CTRL_3_FREQ_MASK; + /* Full Integer ratio from PLL-out to ddr-clk */ + reg |= (freq_par << REG_CPU_DIV_CLK_CTRL_3_FREQ_OFFS); + /* 0x1870C - CPU Div CLK control 3 register */ + dfs_reg_write(REG_CPU_DIV_CLK_CTRL_3_ADDR, reg); + + /* + * Shut off clock enable to the DDRPHY clock channel (this is the "D"). + * All the rest are kept as is (forced, but could be read-modify-write). + * This is done now by RMW above. + */ + + /* Clock is not shut off gracefully - keep it running */ + reg = 0x000FFF02; + dfs_reg_write(REG_CPU_DIV_CLK_CTRL_4_ADDR, reg); + + /* Wait before replacing the clock on the DDR Phy Channel. */ + udelay(1); + + /* + * This for triggering the frequency update. Bit[24] is the + * central control + * bits [23:16] == which channels to change ==2 ==> only DDR Phy + * (smooth transition) + * bits [15:8] == mask reset reassertion due to clock modification + * to these channels. + * bits [7:0] == not in use + */ + reg = 0x0102FDFF; + /* 0x18700 - CPU Div CLK control 0 register */ + dfs_reg_write(REG_CPU_DIV_CLK_CTRL_0_ADDR, reg); + + udelay(1); /* Wait 1usec */ + + /* + * Poll Div CLK status 0 register - indication that the clocks + * are active - 0x18718 [8] + */ + do { + reg = (reg_read(REG_CPU_DIV_CLK_STATUS_0_ADDR)) & + (1 << REG_CPU_DIV_CLK_ALL_STABLE_OFFS); + } while (reg == 0); + + /* + * Clean the CTRL0, to be ready for next resets and next requests of + * ratio modifications. + */ + reg = 0x000000FF; + /* 0x18700 - CPU Div CLK control 0 register */ + dfs_reg_write(REG_CPU_DIV_CLK_CTRL_0_ADDR, reg); + + udelay(5); + + /* Switch HCLK Mux to training clk (100Mhz), keep DFS request bit */ + reg = 0x20050000; + /* 0x18488 - DRAM Init control status register */ + dfs_reg_write(REG_DRAM_INIT_CTRL_STATUS_ADDR, reg); + + reg = reg_read(REG_DDR_IO_ADDR) & ~(1 << REG_DDR_IO_CLK_RATIO_OFFS); + /* [15] = 0 - Set 1:1 Ratio between Dunit and Phy */ + dfs_reg_write(REG_DDR_IO_ADDR, reg); /* 0x1524 - DDR IO Regist */ + + reg = reg_read(REG_DRAM_PHY_CONFIG_ADDR) & REG_DRAM_PHY_CONFIG_MASK; + /* [31:30]] - reset pup data ctrl ADLL */ + /* 0x15EC - DRAM PHY Config register */ + dfs_reg_write(REG_DRAM_PHY_CONFIG_ADDR, reg); + + reg = (reg_read(REG_DRAM_PHY_CONFIG_ADDR) | ~REG_DRAM_PHY_CONFIG_MASK); + /* [31:30] - normal pup data ctrl ADLL */ + /* 0x15EC - DRAM PHY Config register */ + dfs_reg_write(REG_DRAM_PHY_CONFIG_ADDR, reg); + + udelay(1); /* Wait 1usec */ + + /* 0x1404 */ + reg = (reg_read(REG_DUNIT_CTRL_LOW_ADDR) & 0xFFFFFFE7); + dfs_reg_write(REG_DUNIT_CTRL_LOW_ADDR, reg); + + /* Poll Phy lock status register - APLL lock indication - 0x1674 */ + do { + reg = (reg_read(REG_PHY_LOCK_STATUS_ADDR)) & + REG_PHY_LOCK_STATUS_LOCK_MASK; + } while (reg != REG_PHY_LOCK_STATUS_LOCK_MASK); /* Wait for '0xFFF' */ + + reg = (reg_read(REG_SDRAM_CONFIG_ADDR) & REG_SDRAM_CONFIG_MASK); + /* [30:29] = 0 - Data Pup R/W path reset */ + /* 0x1400 - SDRAM Configuration register */ + dfs_reg_write(REG_SDRAM_CONFIG_ADDR, reg); + + reg = reg_read(REG_SDRAM_CONFIG_ADDR) | ~REG_SDRAM_CONFIG_MASK; + /* [30:29] = '11' - Data Pup R/W path reset */ + /* 0x1400 - SDRAM Configuration register */ + dfs_reg_write(REG_SDRAM_CONFIG_ADDR, reg); + + udelay(1000); /* Wait 1msec */ + + for (cs = 0; cs < MAX_CS; cs++) { + if (dram_info->cs_ena & (1 << cs)) { + /* Poll - Wait for Refresh operation completion */ + wait_refresh_op_complete(); + + /* Config CL and CWL with MR0 and MR2 registers */ + reg = reg_read(REG_DDR3_MR0_ADDR); + reg &= ~0x74; /* CL [3:0]; [6:4],[2] */ + reg |= (1 << 5); /* CL = 4, CAS is 6 */ + dfs_reg_write(REG_DDR3_MR0_ADDR, reg); + reg = REG_SDRAM_OPERATION_CMD_MR0 & + ~(1 << (REG_SDRAM_OPERATION_CS_OFFS + cs)); + /* 0x1418 - SDRAM Operation Register */ + dfs_reg_write(REG_SDRAM_OPERATION_ADDR, reg); + + /* Poll - Wait for Refresh operation completion */ + wait_refresh_op_complete(); + + reg = reg_read(REG_DDR3_MR2_ADDR); + reg &= ~0x38; /* CWL [5:3] */ + reg |= (1 << 3); /* CWL = 1, CWL is 6 */ + dfs_reg_write(REG_DDR3_MR2_ADDR, reg); + + reg = REG_SDRAM_OPERATION_CMD_MR2 & + ~(1 << (REG_SDRAM_OPERATION_CS_OFFS + cs)); + /* 0x1418 - SDRAM Operation Register */ + dfs_reg_write(REG_SDRAM_OPERATION_ADDR, reg); + + /* Poll - Wait for Refresh operation completion */ + wait_refresh_op_complete(); + + /* Set current rd_sample_delay */ + reg = reg_read(REG_READ_DATA_SAMPLE_DELAYS_ADDR); + reg &= ~(REG_READ_DATA_SAMPLE_DELAYS_MASK << + (REG_READ_DATA_SAMPLE_DELAYS_OFFS * cs)); + reg |= (5 << (REG_READ_DATA_SAMPLE_DELAYS_OFFS * cs)); + dfs_reg_write(REG_READ_DATA_SAMPLE_DELAYS_ADDR, reg); + + /* Set current rd_ready_delay */ + reg = reg_read(REG_READ_DATA_READY_DELAYS_ADDR); + reg &= ~(REG_READ_DATA_READY_DELAYS_MASK << + (REG_READ_DATA_READY_DELAYS_OFFS * cs)); + reg |= ((6) << (REG_READ_DATA_READY_DELAYS_OFFS * cs)); + dfs_reg_write(REG_READ_DATA_READY_DELAYS_ADDR, reg); + } + } + + /* [2] - DFS Self refresh disable */ + reg = reg_read(REG_DFS_ADDR) & ~(1 << REG_DFS_SR_OFFS); + dfs_reg_write(REG_DFS_ADDR, reg); /* 0x1528 - DFS register */ + + /* [1] - DFS Block enable */ + reg = reg_read(REG_DFS_ADDR) & ~(1 << REG_DFS_BLOCK_OFFS); + dfs_reg_write(REG_DFS_ADDR, reg); /* 0x1528 - DFS register */ + + /* + * Poll DFS Register - 0x1528 [3] - DfsAtSR - + * All DRAM devices on all ranks are in self refresh mode - DFS can + * be executed afterwards + */ + do { + reg = reg_read(REG_DFS_ADDR) & (1 << REG_DFS_ATSR_OFFS); + } while (reg); /* Wait for '1' */ + + reg = (reg_read(REG_METAL_MASK_ADDR) | (1 << 0)); + /* [0] - Enable Dunit to crossbar retry */ + /* 0x14B0 - Dunit MMask Register */ + dfs_reg_write(REG_METAL_MASK_ADDR, reg); + + /* 0x1600 - PHY lock mask register */ + reg = reg_read(REG_ODPG_CNTRL_ADDR); + reg &= ~(1 << REG_ODPG_CNTRL_OFFS); /* [21] = 0 */ + dfs_reg_write(REG_ODPG_CNTRL_ADDR, reg); + + /* 0x1670 - PHY lock mask register */ + reg = reg_read(REG_PHY_LOCK_MASK_ADDR); + reg |= ~REG_PHY_LOCK_MASK_MASK; /* [11:0] = FFF */ + dfs_reg_write(REG_PHY_LOCK_MASK_ADDR, reg); + + DEBUG_DFS_C("DDR3 - DFS - High To Low - Ended successfuly - new Frequency - ", + freq, 1); + + return MV_OK; +#endif +} + +/* + * Name: ddr3_dfs_low_2_high + * Desc: + * Args: freq - target frequency + * Notes: + * Returns: MV_OK - success, MV_FAIL - fail + */ +int ddr3_dfs_low_2_high(u32 freq, int ratio_2to1, MV_DRAM_INFO *dram_info) +{ +#if defined(MV88F78X60) || defined(MV88F672X) + /* This Flow is relevant for ArmadaXP A0 */ + u32 reg, freq_par, tmp; + u32 cs = 0; + + DEBUG_DFS_C("DDR3 - DFS - Low To High - Starting DFS procedure to Frequency - ", + freq, 1); + + /* target frequency - freq */ + freq_par = ddr3_get_freq_parameter(freq, ratio_2to1); + +#if defined(MV88F672X) + u32 hclk; + u32 cpu_freq = ddr3_get_cpu_freq(); + get_target_freq(cpu_freq, &tmp, &hclk); +#endif + + /* Configure - DRAM DLL final state after DFS is complete - Enable */ + reg = reg_read(REG_DFS_ADDR); + /* [0] - DfsDllNextState - Enable */ + reg &= ~(1 << REG_DFS_DLLNEXTSTATE_OFFS); + dfs_reg_write(REG_DFS_ADDR, reg); /* 0x1528 - DFS register */ + + /* + * Configure - XBAR Retry response during Block to enable + * internal access - Disable + */ + reg = reg_read(REG_METAL_MASK_ADDR); + /* [0] - RetryMask - Disable */ + reg &= ~(1 << REG_METAL_MASK_RETRY_OFFS); + /* 0x14B0 - Dunit MMask Register */ + dfs_reg_write(REG_METAL_MASK_ADDR, reg); + + /* Configure - Block new external transactions - Enable */ + reg = reg_read(REG_DFS_ADDR); + reg |= (1 << REG_DFS_BLOCK_OFFS); /* [1] - DfsBlock - Enable */ + dfs_reg_write(REG_DFS_ADDR, reg); /* 0x1528 - DFS register */ + + /* Configure - Move DRAM into Self Refresh */ + reg = reg_read(REG_DFS_ADDR); + reg |= (1 << REG_DFS_SR_OFFS); /* [2] - DfsSR - Enable */ + dfs_reg_write(REG_DFS_ADDR, reg); /* 0x1528 - DFS register */ + + /* Poll - Wait for Self Refresh indication */ + do { + reg = ((reg_read(REG_DFS_ADDR)) & (1 << REG_DFS_ATSR_OFFS)); + } while (reg == 0x0); /* 0x1528 [3] - DfsAtSR - Wait for '1' */ + + /* Start of clock change procedure (PLL) */ +#if defined(MV88F672X) + /* avantaLP */ + /* Configure cpupll_clkdiv_reset_mask */ + reg = reg_read(CPU_PLL_CLOCK_DIVIDER_CNTRL0); + reg &= CPU_PLL_CLOCK_DIVIDER_CNTRL0_MASK; + /* 0xE8264[7:0] 0xff CPU Clock Dividers Reset mask */ + dfs_reg_write(CPU_PLL_CLOCK_DIVIDER_CNTRL0, (reg + 0xFF)); + + /* Configure cpu_clkdiv_reload_smooth */ + reg = reg_read(CPU_PLL_CNTRL0); + reg &= CPU_PLL_CNTRL0_RELOAD_SMOOTH_MASK; + /* 0xE8260 [15:8] 0x2 CPU Clock Dividers Reload Smooth enable */ + dfs_reg_write(CPU_PLL_CNTRL0, + reg + (2 << CPU_PLL_CNTRL0_RELOAD_SMOOTH_OFFS)); + + /* Configure cpupll_clkdiv_relax_en */ + reg = reg_read(CPU_PLL_CNTRL0); + reg &= CPU_PLL_CNTRL0_RELAX_EN_MASK; + /* 0xE8260 [31:24] 0x2 Relax Enable */ + dfs_reg_write(CPU_PLL_CNTRL0, + reg + (2 << CPU_PLL_CNTRL0_RELAX_EN_OFFS)); + + /* Configure cpupll_clkdiv_ddr_clk_ratio */ + reg = reg_read(CPU_PLL_CLOCK_DIVIDER_CNTRL1); + /* + * 0xE8268 [13:8] N Set Training clock: + * APLL Out Clock (VCO freq) / N = 100 MHz + */ + reg &= CPU_PLL_CLOCK_DIVIDER_CNTRL1_MASK; + reg |= (freq_par << 8); /* full Integer ratio from PLL-out to ddr-clk */ + dfs_reg_write(CPU_PLL_CLOCK_DIVIDER_CNTRL1, reg); + /* Configure cpupll_clkdiv_reload_ratio */ + reg = reg_read(CPU_PLL_CLOCK_DIVIDER_CNTRL0); + reg &= CPU_PLL_CLOCK_RELOAD_RATIO_MASK; + /* 0xE8264 [8]=0x1 CPU Clock Dividers Reload Ratio trigger set */ + dfs_reg_write(CPU_PLL_CLOCK_DIVIDER_CNTRL0, + reg + (1 << CPU_PLL_CLOCK_RELOAD_RATIO_OFFS)); + + udelay(1); + + /* Configure cpupll_clkdiv_reload_ratio */ + reg = reg_read(CPU_PLL_CLOCK_DIVIDER_CNTRL0); + reg &= CPU_PLL_CLOCK_RELOAD_RATIO_MASK; + /* 0xE8264 [8]=0x0 CPU Clock Dividers Reload Ratio trigger clear */ + dfs_reg_write(CPU_PLL_CLOCK_DIVIDER_CNTRL0, reg); + + udelay(5); + +#else + /* + * Initial Setup - assure that the "load new ratio" is clear (bit 24) + * and in the same chance, block reassertions of reset [15:8] + * and force reserved bits[7:0]. + */ + reg = 0x0000FFFF; + + /* 0x18700 - CPU Div CLK control 0 */ + dfs_reg_write(REG_CPU_DIV_CLK_CTRL_0_ADDR, reg); + + /* + * RelaX whenever reset is asserted to that channel (good for any case) + */ + reg = 0x0000FF00; + /* 0x18704 - CPU Div CLK control 0 */ + dfs_reg_write(REG_CPU_DIV_CLK_CTRL_1_ADDR, reg); + + reg = reg_read(REG_CPU_DIV_CLK_CTRL_2_ADDR) & + REG_CPU_DIV_CLK_CTRL_3_FREQ_MASK; + reg |= (freq_par << REG_CPU_DIV_CLK_CTRL_3_FREQ_OFFS); + /* full Integer ratio from PLL-out to ddr-clk */ + /* 0x1870C - CPU Div CLK control 3 register */ + dfs_reg_write(REG_CPU_DIV_CLK_CTRL_2_ADDR, reg); + + /* + * Shut off clock enable to the DDRPHY clock channel (this is the "D"). + * All the rest are kept as is (forced, but could be read-modify-write). + * This is done now by RMW above. + */ + reg = 0x000FFF02; + dfs_reg_write(REG_CPU_DIV_CLK_CTRL_4_ADDR, reg); + + /* Wait before replacing the clock on the DDR Phy Channel. */ + udelay(1); + + reg = 0x0102FDFF; + /* + * This for triggering the frequency update. Bit[24] is the + * central control + * bits [23:16] == which channels to change ==2 ==> only DDR Phy + * (smooth transition) + * bits [15:8] == mask reset reassertion due to clock modification + * to these channels. + * bits [7:0] == not in use + */ + /* 0x18700 - CPU Div CLK control 0 register */ + dfs_reg_write(REG_CPU_DIV_CLK_CTRL_0_ADDR, reg); + + udelay(1); + + /* + * Poll Div CLK status 0 register - indication that the clocks + * are active - 0x18718 [8] + */ + do { + reg = reg_read(REG_CPU_DIV_CLK_STATUS_0_ADDR) & + (1 << REG_CPU_DIV_CLK_ALL_STABLE_OFFS); + } while (reg == 0); + + reg = 0x000000FF; + /* + * Clean the CTRL0, to be ready for next resets and next requests + * of ratio modifications. + */ + /* 0x18700 - CPU Div CLK control 0 register */ + dfs_reg_write(REG_CPU_DIV_CLK_CTRL_0_ADDR, reg); +#endif + /* End of clock change procedure (PLL) */ + + if (ratio_2to1) { + /* Configure - Select normal clock for the DDR PHY - Disable */ + reg = reg_read(REG_DRAM_INIT_CTRL_STATUS_ADDR); + /* [16] - ddr_phy_trn_clk_sel - Disable */ + reg &= ~(1 << REG_DRAM_INIT_CTRL_TRN_CLK_OFFS); + /* 0x18488 - DRAM Init control status register */ + dfs_reg_write(REG_DRAM_INIT_CTRL_STATUS_ADDR, reg); + } + + /* + * Configure - Set Correct Ratio - according to target ratio + * parameter - 2:1/1:1 + */ + if (ratio_2to1) { + /* + * [15] - Phy2UnitClkRatio = 1 - Set 2:1 Ratio between + * Dunit and Phy + */ + reg = reg_read(REG_DDR_IO_ADDR) | + (1 << REG_DDR_IO_CLK_RATIO_OFFS); + } else { + /* + * [15] - Phy2UnitClkRatio = 0 - Set 1:1 Ratio between + * Dunit and Phy + */ + reg = reg_read(REG_DDR_IO_ADDR) & + ~(1 << REG_DDR_IO_CLK_RATIO_OFFS); + } + dfs_reg_write(REG_DDR_IO_ADDR, reg); /* 0x1524 - DDR IO Register */ + + /* Configure - 2T Mode - Restore original configuration */ + reg = reg_read(REG_DUNIT_CTRL_LOW_ADDR); + /* [3:4] 2T - Restore value */ + reg &= ~(REG_DUNIT_CTRL_LOW_2T_MASK << REG_DUNIT_CTRL_LOW_2T_OFFS); + reg |= ((dram_info->mode_2t & REG_DUNIT_CTRL_LOW_2T_MASK) << + REG_DUNIT_CTRL_LOW_2T_OFFS); + /* 0x1404 - DDR Controller Control Low Register */ + dfs_reg_write(REG_DUNIT_CTRL_LOW_ADDR, reg); + + /* Configure - Restore CL and CWL - MRS Commands */ + reg = reg_read(REG_DFS_ADDR); + reg &= ~(REG_DFS_CL_NEXT_STATE_MASK << REG_DFS_CL_NEXT_STATE_OFFS); + reg &= ~(REG_DFS_CWL_NEXT_STATE_MASK << REG_DFS_CWL_NEXT_STATE_OFFS); + + if (freq == DDR_400) { + if (dram_info->target_frequency == 0x8) + tmp = ddr3_cl_to_valid_cl(5); + else + tmp = ddr3_cl_to_valid_cl(6); + } else { + tmp = ddr3_cl_to_valid_cl(dram_info->cl); + } + + /* [8] - DfsCLNextState */ + reg |= ((tmp & REG_DFS_CL_NEXT_STATE_MASK) << REG_DFS_CL_NEXT_STATE_OFFS); + if (freq == DDR_400) { + /* [12] - DfsCWLNextState */ + reg |= (((0) & REG_DFS_CWL_NEXT_STATE_MASK) << + REG_DFS_CWL_NEXT_STATE_OFFS); + } else { + /* [12] - DfsCWLNextState */ + reg |= (((dram_info->cwl) & REG_DFS_CWL_NEXT_STATE_MASK) << + REG_DFS_CWL_NEXT_STATE_OFFS); + } + dfs_reg_write(REG_DFS_ADDR, reg); /* 0x1528 - DFS register */ + + /* Optional - Configure - DDR3_Rtt_nom_CS# */ + for (cs = 0; cs < MAX_CS; cs++) { + if (dram_info->cs_ena & (1 << cs)) { + reg = reg_read(REG_DDR3_MR1_CS_ADDR + + (cs << MR_CS_ADDR_OFFS)); + reg &= REG_DDR3_MR1_RTT_MASK; + reg |= odt_static[dram_info->cs_ena][cs]; + dfs_reg_write(REG_DDR3_MR1_CS_ADDR + + (cs << MR_CS_ADDR_OFFS), reg); + } + } + + /* Configure - Reset ADLLs - Set Reset */ + reg = reg_read(REG_DRAM_PHY_CONFIG_ADDR) & REG_DRAM_PHY_CONFIG_MASK; + /* [31:30]] - reset pup data ctrl ADLL */ + /* 0x15EC - DRAM PHY Config Register */ + dfs_reg_write(REG_DRAM_PHY_CONFIG_ADDR, reg); + + /* Configure - Reset ADLLs - Release Reset */ + reg = reg_read(REG_DRAM_PHY_CONFIG_ADDR) | ~REG_DRAM_PHY_CONFIG_MASK; + /* [31:30] - normal pup data ctrl ADLL */ + /* 0x15EC - DRAM PHY Config register */ + dfs_reg_write(REG_DRAM_PHY_CONFIG_ADDR, reg); + + /* Poll - Wait for APLL + ADLLs lock on new frequency */ + do { + reg = reg_read(REG_PHY_LOCK_STATUS_ADDR) & + REG_PHY_LOCK_APLL_ADLL_STATUS_MASK; + /* 0x1674 [10:0] - Phy lock status Register */ + } while (reg != REG_PHY_LOCK_APLL_ADLL_STATUS_MASK); + + /* Configure - Reset the PHY SDR clock divider */ + if (ratio_2to1) { + /* Pup Reset Divider B - Set Reset */ + /* [28] - DataPupRdRST = 0 */ + reg = reg_read(REG_SDRAM_CONFIG_ADDR) & + ~(1 << REG_SDRAM_CONFIG_PUPRSTDIV_OFFS); + /* [28] - DataPupRdRST = 1 */ + tmp = reg_read(REG_SDRAM_CONFIG_ADDR) | + (1 << REG_SDRAM_CONFIG_PUPRSTDIV_OFFS); + /* 0x1400 - SDRAM Configuration register */ + dfs_reg_write(REG_SDRAM_CONFIG_ADDR, reg); + + /* Pup Reset Divider B - Release Reset */ + /* 0x1400 - SDRAM Configuration register */ + dfs_reg_write(REG_SDRAM_CONFIG_ADDR, tmp); + } + + /* Configure - Reset the PHY Read FIFO and Write channels - Set Reset */ + reg = reg_read(REG_SDRAM_CONFIG_ADDR) & REG_SDRAM_CONFIG_MASK; + /* [30:29] = 0 - Data Pup R/W path reset */ + /* 0x1400 - SDRAM Configuration register */ + dfs_reg_write(REG_SDRAM_CONFIG_ADDR, reg); + + /* + * Configure - DRAM Data PHY Read [30], Write [29] path reset - + * Release Reset + */ + reg = reg_read(REG_SDRAM_CONFIG_ADDR) | ~REG_SDRAM_CONFIG_MASK; + /* [30:29] = '11' - Data Pup R/W path reset */ + /* 0x1400 - SDRAM Configuration register */ + dfs_reg_write(REG_SDRAM_CONFIG_ADDR, reg); + + /* Registered DIMM support */ + if (dram_info->reg_dimm) { + /* + * Configure - Change register DRAM operating speed + * (DDR3-1333 / DDR3-1600) - CWA_RC + */ + reg = (0xA & REG_SDRAM_OPERATION_CWA_RC_MASK) << + REG_SDRAM_OPERATION_CWA_RC_OFFS; + if (freq <= DDR_400) { + /* + * Configure - Change register DRAM operating speed + * (DDR3-800) - CWA_DATA + */ + reg |= ((0x0 & REG_SDRAM_OPERATION_CWA_DATA_MASK) << + REG_SDRAM_OPERATION_CWA_DATA_OFFS); + } else if ((freq > DDR_400) && (freq <= DDR_533)) { + /* + * Configure - Change register DRAM operating speed + * (DDR3-1066) - CWA_DATA + */ + reg |= ((0x1 & REG_SDRAM_OPERATION_CWA_DATA_MASK) << + REG_SDRAM_OPERATION_CWA_DATA_OFFS); + } else if ((freq > DDR_533) && (freq <= DDR_666)) { + /* + * Configure - Change register DRAM operating speed + * (DDR3-1333) - CWA_DATA + */ + reg |= ((0x2 & REG_SDRAM_OPERATION_CWA_DATA_MASK) << + REG_SDRAM_OPERATION_CWA_DATA_OFFS); + } else { + /* + * Configure - Change register DRAM operating speed + * (DDR3-1600) - CWA_DATA + */ + reg |= ((0x3 & REG_SDRAM_OPERATION_CWA_DATA_MASK) << + REG_SDRAM_OPERATION_CWA_DATA_OFFS); + } + + /* Configure - Set Delay - tSTAB */ + reg |= (0x1 << REG_SDRAM_OPERATION_CWA_DELAY_SEL_OFFS); + /* Configure - Issue CWA command with the above parameters */ + reg |= (REG_SDRAM_OPERATION_CMD_CWA & + ~(0xF << REG_SDRAM_OPERATION_CS_OFFS)); + + /* 0x1418 - SDRAM Operation Register */ + dfs_reg_write(REG_SDRAM_OPERATION_ADDR, reg); + + /* Poll - Wait for CWA operation completion */ + do { + reg = reg_read(REG_SDRAM_OPERATION_ADDR) & + REG_SDRAM_OPERATION_CMD_MASK; + } while (reg); + } + + /* Configure - Exit Self Refresh */ + /* [2] - DfsSR */ + reg = reg_read(REG_DFS_ADDR) & ~(1 << REG_DFS_SR_OFFS); + dfs_reg_write(REG_DFS_ADDR, reg); /* 0x1528 - DFS register */ + + /* + * Poll - DFS Register - 0x1528 [3] - DfsAtSR - All DRAM + * devices on all ranks are NOT in self refresh mode + */ + do { + reg = reg_read(REG_DFS_ADDR) & (1 << REG_DFS_ATSR_OFFS); + } while (reg); /* Wait for '0' */ + + /* Configure - Issue Refresh command */ + /* [3-0] = 0x2 - Refresh Command, [11-8] - enabled Cs */ + reg = REG_SDRAM_OPERATION_CMD_RFRS; + for (cs = 0; cs < MAX_CS; cs++) { + if (dram_info->cs_ena & (1 << cs)) + reg &= ~(1 << (REG_SDRAM_OPERATION_CS_OFFS + cs)); + } + + /* 0x1418 - SDRAM Operation Register */ + dfs_reg_write(REG_SDRAM_OPERATION_ADDR, reg); + + /* Poll - Wait for Refresh operation completion */ + wait_refresh_op_complete(); + + /* Configure - Block new external transactions - Disable */ + reg = reg_read(REG_DFS_ADDR); + reg &= ~(1 << REG_DFS_BLOCK_OFFS); /* [1] - DfsBlock - Disable */ + dfs_reg_write(REG_DFS_ADDR, reg); /* 0x1528 - DFS register */ + + /* + * Configure - XBAR Retry response during Block to enable + * internal access - Disable + */ + reg = reg_read(REG_METAL_MASK_ADDR); + /* [0] - RetryMask - Enable */ + reg |= (1 << REG_METAL_MASK_RETRY_OFFS); + /* 0x14B0 - Dunit MMask Register */ + dfs_reg_write(REG_METAL_MASK_ADDR, reg); + + for (cs = 0; cs < MAX_CS; cs++) { + if (dram_info->cs_ena & (1 << cs)) { + /* Configure - Set CL */ + reg = reg_read(REG_DDR3_MR0_CS_ADDR + + (cs << MR_CS_ADDR_OFFS)) & + ~REG_DDR3_MR0_CL_MASK; + if (freq == DDR_400) + tmp = ddr3_cl_to_valid_cl(6); + else + tmp = ddr3_cl_to_valid_cl(dram_info->cl); + reg |= ((tmp & 0x1) << REG_DDR3_MR0_CL_OFFS); + reg |= ((tmp & 0xE) << REG_DDR3_MR0_CL_HIGH_OFFS); + dfs_reg_write(REG_DDR3_MR0_CS_ADDR + + (cs << MR_CS_ADDR_OFFS), reg); + + /* Configure - Set CWL */ + reg = reg_read(REG_DDR3_MR2_CS_ADDR + + (cs << MR_CS_ADDR_OFFS)) & + ~(REG_DDR3_MR2_CWL_MASK << REG_DDR3_MR2_CWL_OFFS); + if (freq == DDR_400) + reg |= ((0) << REG_DDR3_MR2_CWL_OFFS); + else + reg |= ((dram_info->cwl) << REG_DDR3_MR2_CWL_OFFS); + dfs_reg_write(REG_DDR3_MR2_CS_ADDR + + (cs << MR_CS_ADDR_OFFS), reg); + } + } + + DEBUG_DFS_C("DDR3 - DFS - Low To High - Ended successfuly - new Frequency - ", + freq, 1); + + return MV_OK; + +#else + + /* This Flow is relevant for Armada370 A0 and ArmadaXP Z1 */ + + u32 reg, freq_par, tmp; + u32 cs = 0; + + DEBUG_DFS_C("DDR3 - DFS - Low To High - Starting DFS procedure to Frequency - ", + freq, 1); + + /* target frequency - freq */ + freq_par = ddr3_get_freq_parameter(freq, ratio_2to1); + + reg = 0x0000FF00; + dfs_reg_write(REG_CPU_DIV_CLK_CTRL_1_ADDR, reg); + + /* 0x1600 - PHY lock mask register */ + reg = reg_read(REG_ODPG_CNTRL_ADDR); + reg |= (1 << REG_ODPG_CNTRL_OFFS); /* [21] = 1 */ + dfs_reg_write(REG_ODPG_CNTRL_ADDR, reg); + + /* 0x1670 - PHY lock mask register */ + reg = reg_read(REG_PHY_LOCK_MASK_ADDR); + reg &= REG_PHY_LOCK_MASK_MASK; /* [11:0] = 0 */ + dfs_reg_write(REG_PHY_LOCK_MASK_ADDR, reg); + + /* Enable reconfig MR Registers after DFS */ + reg = reg_read(REG_DFS_ADDR); /* 0x1528 - DFS register */ + /* [4] - Disable - reconfig MR registers after DFS_ERG */ + reg &= ~0x11; + /* [0] - Enable - DRAM DLL after DFS */ + dfs_reg_write(REG_DFS_ADDR, reg); /* 0x1528 - DFS register */ + + /* Disable DRAM Controller to crossbar retry */ + /* [0] - disable */ + reg = reg_read(REG_METAL_MASK_ADDR) & ~(1 << 0); + /* 0x14B0 - Dunit MMask Register */ + dfs_reg_write(REG_METAL_MASK_ADDR, reg); + + /* Enable DRAM Blocking */ + /* [1] - DFS Block enable */ + reg = reg_read(REG_DFS_ADDR) | (1 << REG_DFS_BLOCK_OFFS); + dfs_reg_write(REG_DFS_ADDR, reg); /* 0x1528 - DFS register */ + + /* Enable Self refresh */ + /* [2] - DFS Self refresh enable */ + reg = reg_read(REG_DFS_ADDR) | (1 << REG_DFS_SR_OFFS); + dfs_reg_write(REG_DFS_ADDR, reg); /* 0x1528 - DFS register */ + + /* + * Poll DFS Register - All DRAM devices on all ranks are in + * self refresh mode - DFS can be executed afterwards + */ + /* 0x1528 [3] - DfsAtSR */ + do { + reg = reg_read(REG_DFS_ADDR) & (1 << REG_DFS_ATSR_OFFS); + } while (reg == 0x0); /* Wait for '1' */ + + /* + * Set Correct Ratio - if freq>MARGIN_FREQ use 2:1 ratio + * else use 1:1 ratio + */ + if (ratio_2to1) { + /* [15] = 1 - Set 2:1 Ratio between Dunit and Phy */ + reg = reg_read(REG_DDR_IO_ADDR) | + (1 << REG_DDR_IO_CLK_RATIO_OFFS); + } else { + /* [15] = 0 - Set 1:1 Ratio between Dunit and Phy */ + reg = reg_read(REG_DDR_IO_ADDR) & + ~(1 << REG_DDR_IO_CLK_RATIO_OFFS); + } + dfs_reg_write(REG_DDR_IO_ADDR, reg); /* 0x1524 - DDR IO Register */ + + /* Switch HCLK Mux from (100Mhz) [16]=0, keep DFS request bit */ + reg = 0x20040000; + /* + * [29] - training logic request DFS, [28:27] - + * preload patterns frequency [18] + */ + + /* 0x18488 - DRAM Init control status register */ + dfs_reg_write(REG_DRAM_INIT_CTRL_STATUS_ADDR, reg); + + /* Add delay between entering SR and start ratio modification */ + udelay(1); + + /* + * Initial Setup - assure that the "load new ratio" is clear (bit 24) + * and in the same chance, block reassertions of reset [15:8] and + * force reserved bits[7:0]. + */ + reg = 0x0000FFFF; + /* 0x18700 - CPU Div CLK control 0 */ + dfs_reg_write(REG_CPU_DIV_CLK_CTRL_0_ADDR, reg); + + /* + * RelaX whenever reset is asserted to that channel (good for any case) + */ + reg = 0x0000FF00; + /* 0x18704 - CPU Div CLK control 0 */ + dfs_reg_write(REG_CPU_DIV_CLK_CTRL_1_ADDR, reg); + + reg = reg_read(REG_CPU_DIV_CLK_CTRL_3_ADDR) & + REG_CPU_DIV_CLK_CTRL_3_FREQ_MASK; + reg |= (freq_par << REG_CPU_DIV_CLK_CTRL_3_FREQ_OFFS); + /* Full Integer ratio from PLL-out to ddr-clk */ + /* 0x1870C - CPU Div CLK control 3 register */ + dfs_reg_write(REG_CPU_DIV_CLK_CTRL_3_ADDR, reg); + + /* + * Shut off clock enable to the DDRPHY clock channel (this is the "D"). + * All the rest are kept as is (forced, but could be read-modify-write). + * This is done now by RMW above. + */ + + reg = 0x000FFF02; + + dfs_reg_write(REG_CPU_DIV_CLK_CTRL_4_ADDR, reg); + + /* Wait before replacing the clock on the DDR Phy Channel. */ + udelay(1); + + reg = 0x0102FDFF; + /* + * This for triggering the frequency update. Bit[24] is the + * central control + * bits [23:16] == which channels to change ==2 ==> only DDR Phy + * (smooth transition) + * bits [15:8] == mask reset reassertion due to clock modification + * to these channels. + * bits [7:0] == not in use + */ + /* 0x18700 - CPU Div CLK control 0 register */ + dfs_reg_write(REG_CPU_DIV_CLK_CTRL_0_ADDR, reg); + + udelay(1); + + /* + * Poll Div CLK status 0 register - indication that the clocks are + * active - 0x18718 [8] + */ + do { + reg = reg_read(REG_CPU_DIV_CLK_STATUS_0_ADDR) & + (1 << REG_CPU_DIV_CLK_ALL_STABLE_OFFS); + } while (reg == 0); + + reg = 0x000000FF; + /* + * Clean the CTRL0, to be ready for next resets and next requests of + * ratio modifications. + */ + /* 0x18700 - CPU Div CLK control 0 register */ + dfs_reg_write(REG_CPU_DIV_CLK_CTRL_0_ADDR, reg); + + udelay(5); + + if (ratio_2to1) { + /* Pup Reset Divider B - Set Reset */ + /* [28] = 0 - Pup Reset Divider B */ + reg = reg_read(REG_SDRAM_CONFIG_ADDR) & ~(1 << 28); + /* [28] = 1 - Pup Reset Divider B */ + tmp = reg_read(REG_SDRAM_CONFIG_ADDR) | (1 << 28); + /* 0x1400 - SDRAM Configuration register */ + dfs_reg_write(REG_SDRAM_CONFIG_ADDR, reg); + + /* Pup Reset Divider B - Release Reset */ + /* 0x1400 - SDRAM Configuration register */ + dfs_reg_write(REG_SDRAM_CONFIG_ADDR, tmp); + } + + /* DRAM Data PHYs ADLL Reset - Set Reset */ + reg = (reg_read(REG_DRAM_PHY_CONFIG_ADDR) & REG_DRAM_PHY_CONFIG_MASK); + /* [31:30]] - reset pup data ctrl ADLL */ + /* 0x15EC - DRAM PHY Config Register */ + dfs_reg_write(REG_DRAM_PHY_CONFIG_ADDR, reg); + + udelay(25); + + /* APLL lock indication - Poll Phy lock status Register - 0x1674 [9] */ + do { + reg = reg_read(REG_PHY_LOCK_STATUS_ADDR) & + (1 << REG_PHY_LOCK_STATUS_LOCK_OFFS); + } while (reg == 0); + + /* DRAM Data PHYs ADLL Reset - Release Reset */ + reg = reg_read(REG_DRAM_PHY_CONFIG_ADDR) | ~REG_DRAM_PHY_CONFIG_MASK; + /* [31:30] - normal pup data ctrl ADLL */ + /* 0x15EC - DRAM PHY Config register */ + dfs_reg_write(REG_DRAM_PHY_CONFIG_ADDR, reg); + + udelay(10000); /* Wait 10msec */ + + /* + * APLL lock indication - Poll Phy lock status Register - 0x1674 [11:0] + */ + do { + reg = reg_read(REG_PHY_LOCK_STATUS_ADDR) & + REG_PHY_LOCK_STATUS_LOCK_MASK; + } while (reg != REG_PHY_LOCK_STATUS_LOCK_MASK); + + /* DRAM Data PHY Read [30], Write [29] path reset - Set Reset */ + reg = reg_read(REG_SDRAM_CONFIG_ADDR) & REG_SDRAM_CONFIG_MASK; + /* [30:29] = 0 - Data Pup R/W path reset */ + /* 0x1400 - SDRAM Configuration register */ + dfs_reg_write(REG_SDRAM_CONFIG_ADDR, reg); + + /* DRAM Data PHY Read [30], Write [29] path reset - Release Reset */ + reg = reg_read(REG_SDRAM_CONFIG_ADDR) | ~REG_SDRAM_CONFIG_MASK; + /* [30:29] = '11' - Data Pup R/W path reset */ + /* 0x1400 - SDRAM Configuration register */ + dfs_reg_write(REG_SDRAM_CONFIG_ADDR, reg); + + /* Disable DFS Reconfig */ + reg = reg_read(REG_DFS_ADDR) & ~(1 << 4); + dfs_reg_write(REG_DFS_ADDR, reg); /* 0x1528 - DFS register */ + + /* [2] - DFS Self refresh disable */ + reg = reg_read(REG_DFS_ADDR) & ~(1 << REG_DFS_SR_OFFS); + dfs_reg_write(REG_DFS_ADDR, reg); /* 0x1528 - DFS register */ + + /* + * Poll DFS Register - 0x1528 [3] - DfsAtSR - All DRAM devices on + * all ranks are NOT in self refresh mode + */ + do { + reg = reg_read(REG_DFS_ADDR) & (1 << REG_DFS_ATSR_OFFS); + } while (reg); /* Wait for '0' */ + + /* 0x1404 */ + reg = (reg_read(REG_DUNIT_CTRL_LOW_ADDR) & 0xFFFFFFE7) | 0x2; + + /* Configure - 2T Mode - Restore original configuration */ + /* [3:4] 2T - Restore value */ + reg &= ~(REG_DUNIT_CTRL_LOW_2T_MASK << REG_DUNIT_CTRL_LOW_2T_OFFS); + reg |= ((dram_info->mode_2t & REG_DUNIT_CTRL_LOW_2T_MASK) << + REG_DUNIT_CTRL_LOW_2T_OFFS); + dfs_reg_write(REG_DUNIT_CTRL_LOW_ADDR, reg); + + udelay(1); /* Wait 1us */ + + for (cs = 0; cs < MAX_CS; cs++) { + if (dram_info->cs_ena & (1 << cs)) { + reg = (reg_read(REG_DDR3_MR1_ADDR)); + /* DLL Enable */ + reg &= ~(1 << REG_DDR3_MR1_DLL_ENA_OFFS); + dfs_reg_write(REG_DDR3_MR1_ADDR, reg); + + /* Issue MRS Command to current cs */ + reg = REG_SDRAM_OPERATION_CMD_MR1 & + ~(1 << (REG_SDRAM_OPERATION_CS_OFFS + cs)); + /* + * [3-0] = 0x4 - MR1 Command, [11-8] - + * enable current cs + */ + /* 0x1418 - SDRAM Operation Register */ + dfs_reg_write(REG_SDRAM_OPERATION_ADDR, reg); + + /* Poll - Wait for Refresh operation completion */ + wait_refresh_op_complete(); + + /* DLL Reset - MR0 */ + reg = reg_read(REG_DDR3_MR0_ADDR); + dfs_reg_write(REG_DDR3_MR0_ADDR, reg); + + /* Issue MRS Command to current cs */ + reg = REG_SDRAM_OPERATION_CMD_MR0 & + ~(1 << (REG_SDRAM_OPERATION_CS_OFFS + cs)); + /* + * [3-0] = 0x4 - MR1 Command, [11-8] - + * enable current cs + */ + /* 0x1418 - SDRAM Operation Register */ + dfs_reg_write(REG_SDRAM_OPERATION_ADDR, reg); + + /* Poll - Wait for Refresh operation completion */ + wait_refresh_op_complete(); + + reg = reg_read(REG_DDR3_MR0_ADDR); + reg &= ~0x74; /* CL [3:0]; [6:4],[2] */ + + if (freq == DDR_400) + tmp = ddr3_cl_to_valid_cl(6) & 0xF; + else + tmp = ddr3_cl_to_valid_cl(dram_info->cl) & 0xF; + + reg |= ((tmp & 0x1) << 2); + reg |= ((tmp >> 1) << 4); /* to bit 4 */ + dfs_reg_write(REG_DDR3_MR0_ADDR, reg); + + reg = REG_SDRAM_OPERATION_CMD_MR0 & + ~(1 << (REG_SDRAM_OPERATION_CS_OFFS + cs)); + /* 0x1418 - SDRAM Operation Register */ + dfs_reg_write(REG_SDRAM_OPERATION_ADDR, reg); + + /* Poll - Wait for Refresh operation completion */ + wait_refresh_op_complete(); + + reg = reg_read(REG_DDR3_MR2_ADDR); + reg &= ~0x38; /* CWL [5:3] */ + /* CWL = 0 ,for 400 MHg is 5 */ + if (freq != DDR_400) + reg |= dram_info->cwl << REG_DDR3_MR2_CWL_OFFS; + dfs_reg_write(REG_DDR3_MR2_ADDR, reg); + reg = REG_SDRAM_OPERATION_CMD_MR2 & + ~(1 << (REG_SDRAM_OPERATION_CS_OFFS + cs)); + /* 0x1418 - SDRAM Operation Register */ + dfs_reg_write(REG_SDRAM_OPERATION_ADDR, reg); + + /* Poll - Wait for Refresh operation completion */ + wait_refresh_op_complete(); + + /* Set current rd_sample_delay */ + reg = reg_read(REG_READ_DATA_SAMPLE_DELAYS_ADDR); + reg &= ~(REG_READ_DATA_SAMPLE_DELAYS_MASK << + (REG_READ_DATA_SAMPLE_DELAYS_OFFS * cs)); + reg |= (dram_info->cl << + (REG_READ_DATA_SAMPLE_DELAYS_OFFS * cs)); + dfs_reg_write(REG_READ_DATA_SAMPLE_DELAYS_ADDR, reg); + + /* Set current rd_ready_delay */ + reg = reg_read(REG_READ_DATA_READY_DELAYS_ADDR); + reg &= ~(REG_READ_DATA_READY_DELAYS_MASK << + (REG_READ_DATA_READY_DELAYS_OFFS * cs)); + reg |= ((dram_info->cl + 1) << + (REG_READ_DATA_SAMPLE_DELAYS_OFFS * cs)); + dfs_reg_write(REG_READ_DATA_READY_DELAYS_ADDR, reg); + } + } + + /* Enable ODT on DLL-on mode */ + dfs_reg_write(REG_SDRAM_ODT_CTRL_HIGH_ADDR, 0); + + /* [1] - DFS Block disable */ + reg = reg_read(REG_DFS_ADDR) & ~(1 << REG_DFS_BLOCK_OFFS); + dfs_reg_write(REG_DFS_ADDR, reg); /* 0x1528 - DFS register */ + + /* Change DDR frequency to 100MHz procedure: */ + /* 0x1600 - PHY lock mask register */ + reg = reg_read(REG_ODPG_CNTRL_ADDR); + reg &= ~(1 << REG_ODPG_CNTRL_OFFS); /* [21] = 0 */ + dfs_reg_write(REG_ODPG_CNTRL_ADDR, reg); + + /* Change DDR frequency to 100MHz procedure: */ + /* 0x1670 - PHY lock mask register */ + reg = reg_read(REG_PHY_LOCK_MASK_ADDR); + reg |= ~REG_PHY_LOCK_MASK_MASK; /* [11:0] = FFF */ + dfs_reg_write(REG_PHY_LOCK_MASK_ADDR, reg); + + reg = reg_read(REG_METAL_MASK_ADDR) | (1 << 0); /* [0] - disable */ + /* 0x14B0 - Dunit MMask Register */ + dfs_reg_write(REG_METAL_MASK_ADDR, reg); + + DEBUG_DFS_C("DDR3 - DFS - Low To High - Ended successfuly - new Frequency - ", + freq, 1); + return MV_OK; +#endif +} diff --git a/drivers/ddr/mvebu/ddr3_dqs.c b/drivers/ddr/mvebu/ddr3_dqs.c new file mode 100644 index 0000000..71a986d --- /dev/null +++ b/drivers/ddr/mvebu/ddr3_dqs.c @@ -0,0 +1,1374 @@ +/* + * Copyright (C) Marvell International Ltd. and its affiliates + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#include <common.h> +#include <i2c.h> +#include <spl.h> +#include <asm/io.h> +#include <asm/arch/cpu.h> +#include <asm/arch/soc.h> + +#include "ddr3_hw_training.h" + +/* + * Debug + */ +#define DEBUG_DQS_C(s, d, l) \ + DEBUG_DQS_S(s); DEBUG_DQS_D(d, l); DEBUG_DQS_S("\n") +#define DEBUG_DQS_FULL_C(s, d, l) \ + DEBUG_DQS_FULL_S(s); DEBUG_DQS_FULL_D(d, l); DEBUG_DQS_FULL_S("\n") +#define DEBUG_DQS_RESULTS_C(s, d, l) \ + DEBUG_DQS_RESULTS_S(s); DEBUG_DQS_RESULTS_D(d, l); DEBUG_DQS_RESULTS_S("\n") +#define DEBUG_PER_DQ_C(s, d, l) \ + puts(s); printf("%x", d); puts("\n") + +#define DEBUG_DQS_RESULTS_S(s) \ + debug_cond(ddr3_get_log_level() >= MV_LOG_LEVEL_2, "%s", s) +#define DEBUG_DQS_RESULTS_D(d, l) \ + debug_cond(ddr3_get_log_level() >= MV_LOG_LEVEL_2, "%x", d) + +#define DEBUG_PER_DQ_S(s) \ + debug_cond(ddr3_get_log_level() >= MV_LOG_LEVEL_3, "%s", s) +#define DEBUG_PER_DQ_D(d, l) \ + debug_cond(ddr3_get_log_level() >= MV_LOG_LEVEL_3, "%x", d) +#define DEBUG_PER_DQ_DD(d, l) \ + debug_cond(ddr3_get_log_level() >= MV_LOG_LEVEL_3, "%d", d) + +#ifdef MV_DEBUG_DQS +#define DEBUG_DQS_S(s) puts(s) +#define DEBUG_DQS_D(d, l) printf("%x", d) +#else +#define DEBUG_DQS_S(s) +#define DEBUG_DQS_D(d, l) +#endif + +#ifdef MV_DEBUG_DQS_FULL +#define DEBUG_DQS_FULL_S(s) puts(s) +#define DEBUG_DQS_FULL_D(d, l) printf("%x", d) +#else +#define DEBUG_DQS_FULL_S(s) +#define DEBUG_DQS_FULL_D(d, l) +#endif + +/* State machine for centralization - find low & high limit */ +enum { + PUP_ADLL_LIMITS_STATE_FAIL, + PUP_ADLL_LIMITS_STATE_PASS, + PUP_ADLL_LIMITS_STATE_FAIL_AFTER_PASS, +}; + +/* Hold centralization low results */ +static int centralization_low_limit[MAX_PUP_NUM] = { 0 }; +/* Hold centralization high results */ +static int centralization_high_limit[MAX_PUP_NUM] = { 0 }; + +int ddr3_find_adll_limits(MV_DRAM_INFO *dram_info, u32 cs, u32 ecc, int is_tx); +int ddr3_check_window_limits(u32 pup, int high_limit, int low_limit, int is_tx, + int *size_valid); +static int ddr3_center_calc(MV_DRAM_INFO *dram_info, u32 cs, u32 ecc, + int is_tx); +int ddr3_special_pattern_i_search(MV_DRAM_INFO *dram_info, u32 cs, u32 ecc, + int is_tx, u32 special_pattern_pup); +int ddr3_special_pattern_ii_search(MV_DRAM_INFO *dram_info, u32 cs, u32 ecc, + int is_tx, u32 special_pattern_pup); +int ddr3_set_dqs_centralization_results(MV_DRAM_INFO *dram_info, u32 cs, u32 ecc, + int is_tx); + +#ifdef MV88F78X60 +extern u32 killer_pattern_32b[DQ_NUM][LEN_SPECIAL_PATTERN]; +extern u32 killer_pattern_64b[DQ_NUM][LEN_SPECIAL_PATTERN]; +extern int per_bit_data[MAX_PUP_NUM][DQ_NUM]; +#else +extern u32 killer_pattern[DQ_NUM][LEN_16BIT_KILLER_PATTERN]; +extern u32 killer_pattern_32b[DQ_NUM][LEN_SPECIAL_PATTERN]; +#if defined(MV88F672X) +extern int per_bit_data[MAX_PUP_NUM][DQ_NUM]; +#endif +#endif +extern u32 special_pattern[DQ_NUM][LEN_SPECIAL_PATTERN]; + +static u32 *ddr3_dqs_choose_pattern(MV_DRAM_INFO *dram_info, u32 victim_dq) +{ + u32 *pattern_ptr; + + /* Choose pattern */ + switch (dram_info->ddr_width) { +#if defined(MV88F672X) + case 16: + pattern_ptr = (u32 *)&killer_pattern[victim_dq]; + break; +#endif + case 32: + pattern_ptr = (u32 *)&killer_pattern_32b[victim_dq]; + break; +#if defined(MV88F78X60) + case 64: + pattern_ptr = (u32 *)&killer_pattern_64b[victim_dq]; + break; +#endif + default: +#if defined(MV88F78X60) + pattern_ptr = (u32 *)&killer_pattern_32b[victim_dq]; +#else + pattern_ptr = (u32 *)&killer_pattern[victim_dq]; +#endif + break; + } + + return pattern_ptr; +} + +/* + * Name: ddr3_dqs_centralization_rx + * Desc: Execute the DQS centralization RX phase. + * Args: dram_info + * Notes: + * Returns: MV_OK if success, other error code if fail. + */ +int ddr3_dqs_centralization_rx(MV_DRAM_INFO *dram_info) +{ + u32 cs, ecc, reg; + int status; + + DEBUG_DQS_S("DDR3 - DQS Centralization RX - Starting procedure\n"); + + /* Enable SW override */ + reg = reg_read(REG_DRAM_TRAINING_2_ADDR) | + (1 << REG_DRAM_TRAINING_2_SW_OVRD_OFFS); + + /* [0] = 1 - Enable SW override */ + /* 0x15B8 - Training SW 2 Register */ + reg_write(REG_DRAM_TRAINING_2_ADDR, reg); + DEBUG_DQS_S("DDR3 - DQS Centralization RX - SW Override Enabled\n"); + + reg = (1 << REG_DRAM_TRAINING_AUTO_OFFS); + reg_write(REG_DRAM_TRAINING_ADDR, reg); /* 0x15B0 - Training Register */ + + /* Loop for each CS */ + for (cs = 0; cs < MAX_CS; cs++) { + if (dram_info->cs_ena & (1 << cs)) { + DEBUG_DQS_FULL_C("DDR3 - DQS Centralization RX - CS - ", + (u32) cs, 1); + + for (ecc = 0; ecc < (dram_info->ecc_ena + 1); ecc++) { + + /* ECC Support - Switch ECC Mux on ecc=1 */ + reg = reg_read(REG_DRAM_TRAINING_2_ADDR) & + ~(1 << REG_DRAM_TRAINING_2_ECC_MUX_OFFS); + reg |= (dram_info->ecc_ena * + ecc << REG_DRAM_TRAINING_2_ECC_MUX_OFFS); + reg_write(REG_DRAM_TRAINING_2_ADDR, reg); + + if (ecc) + DEBUG_DQS_FULL_S("DDR3 - DQS Centralization RX - ECC Mux Enabled\n"); + else + DEBUG_DQS_FULL_S("DDR3 - DQS Centralization RX - ECC Mux Disabled\n"); + + DEBUG_DQS_FULL_S("DDR3 - DQS Centralization RX - Find all limits\n"); + + status = ddr3_find_adll_limits(dram_info, cs, + ecc, 0); + if (MV_OK != status) + return status; + + DEBUG_DQS_FULL_S("DDR3 - DQS Centralization RX - Start calculating center\n"); + + status = ddr3_center_calc(dram_info, cs, ecc, + 0); + if (MV_OK != status) + return status; + } + } + } + + /* ECC Support - Disable ECC MUX */ + reg = reg_read(REG_DRAM_TRAINING_2_ADDR) & + ~(1 << REG_DRAM_TRAINING_2_ECC_MUX_OFFS); + reg_write(REG_DRAM_TRAINING_2_ADDR, reg); + + /* Disable SW override - Must be in a different stage */ + /* [0]=0 - Enable SW override */ + reg = reg_read(REG_DRAM_TRAINING_2_ADDR); + reg &= ~(1 << REG_DRAM_TRAINING_2_SW_OVRD_OFFS); + /* 0x15B8 - Training SW 2 Register */ + reg_write(REG_DRAM_TRAINING_2_ADDR, reg); + + reg = reg_read(REG_DRAM_TRAINING_1_ADDR) | + (1 << REG_DRAM_TRAINING_1_TRNBPOINT_OFFS); + reg_write(REG_DRAM_TRAINING_1_ADDR, reg); + + return MV_OK; +} + +/* + * Name: ddr3_dqs_centralization_tx + * Desc: Execute the DQS centralization TX phase. + * Args: dram_info + * Notes: + * Returns: MV_OK if success, other error code if fail. + */ +int ddr3_dqs_centralization_tx(MV_DRAM_INFO *dram_info) +{ + u32 cs, ecc, reg; + int status; + + DEBUG_DQS_S("DDR3 - DQS Centralization TX - Starting procedure\n"); + + /* Enable SW override */ + reg = reg_read(REG_DRAM_TRAINING_2_ADDR) | + (1 << REG_DRAM_TRAINING_2_SW_OVRD_OFFS); + + /* [0] = 1 - Enable SW override */ + /* 0x15B8 - Training SW 2 Register */ + reg_write(REG_DRAM_TRAINING_2_ADDR, reg); + DEBUG_DQS_S("DDR3 - DQS Centralization TX - SW Override Enabled\n"); + + reg = (1 << REG_DRAM_TRAINING_AUTO_OFFS); + reg_write(REG_DRAM_TRAINING_ADDR, reg); /* 0x15B0 - Training Register */ + + /* Loop for each CS */ + for (cs = 0; cs < MAX_CS; cs++) { + if (dram_info->cs_ena & (1 << cs)) { + DEBUG_DQS_FULL_C("DDR3 - DQS Centralization TX - CS - ", + (u32) cs, 1); + for (ecc = 0; ecc < (dram_info->ecc_ena + 1); ecc++) { + /* ECC Support - Switch ECC Mux on ecc=1 */ + reg = reg_read(REG_DRAM_TRAINING_2_ADDR) & + ~(1 << REG_DRAM_TRAINING_2_ECC_MUX_OFFS); + reg |= (dram_info->ecc_ena * + ecc << REG_DRAM_TRAINING_2_ECC_MUX_OFFS); + reg_write(REG_DRAM_TRAINING_2_ADDR, reg); + + if (ecc) + DEBUG_DQS_FULL_S("DDR3 - DQS Centralization TX - ECC Mux Enabled\n"); + else + DEBUG_DQS_FULL_S("DDR3 - DQS Centralization TX - ECC Mux Disabled\n"); + + DEBUG_DQS_FULL_S("DDR3 - DQS Centralization TX - Find all limits\n"); + + status = ddr3_find_adll_limits(dram_info, cs, + ecc, 1); + if (MV_OK != status) + return status; + + DEBUG_DQS_FULL_S("DDR3 - DQS Centralization TX - Start calculating center\n"); + + status = ddr3_center_calc(dram_info, cs, ecc, + 1); + if (MV_OK != status) + return status; + } + } + } + + /* ECC Support - Disable ECC MUX */ + reg = reg_read(REG_DRAM_TRAINING_2_ADDR) & + ~(1 << REG_DRAM_TRAINING_2_ECC_MUX_OFFS); + reg_write(REG_DRAM_TRAINING_2_ADDR, reg); + + /* Disable SW override - Must be in a different stage */ + /* [0]=0 - Enable SW override */ + reg = reg_read(REG_DRAM_TRAINING_2_ADDR); + reg &= ~(1 << REG_DRAM_TRAINING_2_SW_OVRD_OFFS); + /* 0x15B8 - Training SW 2 Register */ + reg_write(REG_DRAM_TRAINING_2_ADDR, reg); + + reg = reg_read(REG_DRAM_TRAINING_1_ADDR) | + (1 << REG_DRAM_TRAINING_1_TRNBPOINT_OFFS); + reg_write(REG_DRAM_TRAINING_1_ADDR, reg); + + return MV_OK; +} + +/* + * Name: ddr3_find_adll_limits + * Desc: Execute the Find ADLL limits phase. + * Args: dram_info + * cs + * ecc_ena + * is_tx Indicate whether Rx or Tx + * Notes: + * Returns: MV_OK if success, other error code if fail. + */ +int ddr3_find_adll_limits(MV_DRAM_INFO *dram_info, u32 cs, u32 ecc, int is_tx) +{ + u32 victim_dq, pup, tmp; + u32 adll_addr; + u32 max_pup; /* maximal pup index */ + u32 pup_mask = 0; + u32 unlock_pup; /* bit array of un locked pups */ + u32 new_unlock_pup; /* bit array of compare failed pups */ + u32 curr_adll; + u32 adll_start_val; /* adll start loop value - for rx or tx limit */ + u32 high_limit; /* holds found High Limit */ + u32 low_limit; /* holds found Low Limit */ + int win_valid; + int update_win; + u32 sdram_offset; + u32 uj, cs_count, cs_tmp, ii; + u32 *pattern_ptr; + u32 dq; + u32 adll_end_val; /* adll end of loop val - for rx or tx limit */ + u8 analog_pbs[DQ_NUM][MAX_PUP_NUM][DQ_NUM][2]; + u8 analog_pbs_sum[MAX_PUP_NUM][DQ_NUM][2]; + int pup_adll_limit_state[MAX_PUP_NUM]; /* hold state of each pup */ + + adll_addr = ((is_tx == 1) ? PUP_DQS_WR : PUP_DQS_RD); + adll_end_val = ((is_tx == 1) ? ADLL_MIN : ADLL_MAX); + adll_start_val = ((is_tx == 1) ? ADLL_MAX : ADLL_MIN); + max_pup = (ecc + (1 - ecc) * dram_info->num_of_std_pups); + + DEBUG_DQS_FULL_S("DDR3 - DQS Find Limits - Starting Find ADLL Limits\n"); + + /* init the array */ + for (pup = 0; pup < max_pup; pup++) { + centralization_low_limit[pup] = ADLL_MIN; + centralization_high_limit[pup] = ADLL_MAX; + } + + /* Killer Pattern */ + cs_count = 0; + for (cs_tmp = 0; cs_tmp < cs; cs_tmp++) { + if (dram_info->cs_ena & (1 << cs_tmp)) + cs_count++; + } + sdram_offset = cs_count * (SDRAM_CS_SIZE + 1); + sdram_offset += ((is_tx == 1) ? + SDRAM_DQS_TX_OFFS : SDRAM_DQS_RX_OFFS); + + /* Prepare pup masks */ + for (pup = 0; pup < max_pup; pup++) + pup_mask |= (1 << pup); + + for (pup = 0; pup < max_pup; pup++) { + for (dq = 0; dq < DQ_NUM; dq++) { + analog_pbs_sum[pup][dq][0] = adll_start_val; + analog_pbs_sum[pup][dq][1] = adll_end_val; + } + } + + /* Loop - use different pattern for each victim_dq */ + for (victim_dq = 0; victim_dq < DQ_NUM; victim_dq++) { + DEBUG_DQS_FULL_C("DDR3 - DQS Find Limits - Victim DQ - ", + (u32)victim_dq, 1); + /* + * The pups 3 bit arrays represent state machine. with + * 3 stages for each pup. + * 1. fail and didn't get pass in earlier compares. + * 2. pass compare + * 3. fail after pass - end state. + * The window limits are the adll values where the adll + * was in the pass stage. + */ + + /* Set all states to Fail (1st state) */ + for (pup = 0; pup < max_pup; pup++) + pup_adll_limit_state[pup] = PUP_ADLL_LIMITS_STATE_FAIL; + + /* Set current valid pups */ + unlock_pup = pup_mask; + + /* Set ADLL to start value */ + curr_adll = adll_start_val; + +#if defined(MV88F78X60) + for (pup = 0; pup < max_pup; pup++) { + for (dq = 0; dq < DQ_NUM; dq++) { + analog_pbs[victim_dq][pup][dq][0] = + adll_start_val; + analog_pbs[victim_dq][pup][dq][1] = + adll_end_val; + per_bit_data[pup][dq] = 0; + } + } +#endif + + for (uj = 0; uj < ADLL_MAX; uj++) { + DEBUG_DQS_FULL_C("DDR3 - DQS Find Limits - Setting ADLL to ", + curr_adll, 2); + for (pup = 0; pup < max_pup; pup++) { + if (IS_PUP_ACTIVE(unlock_pup, pup) == 1) { + tmp = ((is_tx == 1) ? curr_adll + + dram_info->wl_val[cs] + [pup * (1 - ecc) + ecc * ECC_PUP] + [D] : curr_adll); + ddr3_write_pup_reg(adll_addr, cs, pup + + (ecc * ECC_PUP), 0, tmp); + } + } + + /* Choose pattern */ + pattern_ptr = ddr3_dqs_choose_pattern(dram_info, + victim_dq); + + /* '1' - means pup failed, '0' - means pup pass */ + new_unlock_pup = 0; + + /* Read and compare results for Victim_DQ# */ + for (ii = 0; ii < 3; ii++) { + u32 tmp = 0; + if (MV_OK != ddr3_sdram_dqs_compare(dram_info, + unlock_pup, &tmp, + pattern_ptr, + LEN_KILLER_PATTERN, + sdram_offset + + LEN_KILLER_PATTERN * + 4 * victim_dq, + is_tx, 0, NULL, + 0)) + return MV_DDR3_TRAINING_ERR_DRAM_COMPARE; + + new_unlock_pup |= tmp; + } + + pup = 0; + DEBUG_DQS_FULL_C("DDR3 - DQS Find Limits - UnlockPup: ", + unlock_pup, 2); + DEBUG_DQS_FULL_C("DDR3 - DQS Find Limits - NewUnlockPup: ", + new_unlock_pup, 2); + + /* Update pup state */ + for (pup = 0; pup < max_pup; pup++) { + if (IS_PUP_ACTIVE(unlock_pup, pup) == 0) { + DEBUG_DQS_FULL_C("DDR3 - DQS Find Limits - Skipping pup ", + pup, 1); + continue; + } + + /* + * Still didn't find the window limit of the pup + */ + if (IS_PUP_ACTIVE(new_unlock_pup, pup) == 1) { + /* Current compare result == fail */ + if (pup_adll_limit_state[pup] == + PUP_ADLL_LIMITS_STATE_PASS) { + /* + * If now it failed but passed + * earlier + */ + DEBUG_DQS_S("DDR3 - DQS Find Limits - PASS to FAIL: CS - "); + DEBUG_DQS_D(cs, 1); + DEBUG_DQS_S(", DQ - "); + DEBUG_DQS_D(victim_dq, 1); + DEBUG_DQS_S(", Pup - "); + DEBUG_DQS_D(pup, 1); + DEBUG_DQS_S(", ADLL - "); + DEBUG_DQS_D(curr_adll, 2); + DEBUG_DQS_S("\n"); + +#if defined(MV88F78X60) + for (dq = 0; dq < DQ_NUM; dq++) { + if ((analog_pbs[victim_dq][pup][dq][0] != adll_start_val) + && (analog_pbs[victim_dq][pup] + [dq][1] == adll_end_val)) + analog_pbs + [victim_dq] + [pup][dq] + [1] = + curr_adll; + } +#endif + win_valid = 1; + update_win = 0; + + /* Keep min / max limit value */ + if (is_tx == 0) { + /* RX - found upper limit */ + if (centralization_high_limit[pup] > + (curr_adll - 1)) { + high_limit = + curr_adll - 1; + low_limit = + centralization_low_limit[pup]; + update_win = 1; + } + } else { + /* TX - found lower limit */ + if (centralization_low_limit[pup] < (curr_adll + 1)) { + high_limit = + centralization_high_limit + [pup]; + low_limit = + curr_adll + 1; + update_win = + 1; + } + } + + if (update_win == 1) { + /* + * Before updating + * window limits we need + * to check that the + * limits are valid + */ + if (MV_OK != + ddr3_check_window_limits + (pup, high_limit, + low_limit, is_tx, + &win_valid)) + return MV_DDR3_TRAINING_ERR_WIN_LIMITS; + + if (win_valid == 1) { + /* + * Window limits + * should be + * updated + */ + centralization_low_limit + [pup] = + low_limit; + centralization_high_limit + [pup] = + high_limit; + } + } + + if (win_valid == 1) { + /* Found end of window - lock the pup */ + pup_adll_limit_state[pup] = + PUP_ADLL_LIMITS_STATE_FAIL_AFTER_PASS; + unlock_pup &= ~(1 << pup); + } else { + /* Probably false pass - reset status */ + pup_adll_limit_state[pup] = + PUP_ADLL_LIMITS_STATE_FAIL; + +#if defined(MV88F78X60) + /* Clear logging array of win size (per Dq) */ + for (dq = 0; + dq < DQ_NUM; + dq++) { + analog_pbs + [victim_dq] + [pup][dq] + [0] = + adll_start_val; + analog_pbs + [victim_dq] + [pup][dq] + [1] = + adll_end_val; + per_bit_data + [pup][dq] + = 0; + } +#endif + } + } + } else { + /* Current compare result == pass */ + if (pup_adll_limit_state[pup] == + PUP_ADLL_LIMITS_STATE_FAIL) { + /* If now it passed but failed earlier */ + DEBUG_DQS_S("DDR3 - DQS Find Limits - FAIL to PASS: CS - "); + DEBUG_DQS_D(cs, 1); + DEBUG_DQS_S(", DQ - "); + DEBUG_DQS_D(victim_dq, 1); + DEBUG_DQS_S(", Pup - "); + DEBUG_DQS_D(pup, 1); + DEBUG_DQS_S(", ADLL - "); + DEBUG_DQS_D(curr_adll, 2); + DEBUG_DQS_S("\n"); + +#if defined(MV88F78X60) + for (dq = 0; dq < DQ_NUM; + dq++) { + if (analog_pbs[victim_dq][pup][dq][0] == adll_start_val) + analog_pbs + [victim_dq] + [pup][dq] + [0] = + curr_adll; + } +#endif + /* Found start of window */ + pup_adll_limit_state[pup] = + PUP_ADLL_LIMITS_STATE_PASS; + + /* Keep min / max limit value */ + if (is_tx == 0) { + /* RX - found low limit */ + if (centralization_low_limit[pup] <= curr_adll) + centralization_low_limit + [pup] = + curr_adll; + } else { + /* TX - found high limit */ + if (centralization_high_limit[pup] >= curr_adll) + centralization_high_limit + [pup] = + curr_adll; + } + } + } + } + + if (unlock_pup == 0) { + /* Found limit to all pups */ + DEBUG_DQS_FULL_S("DDR3 - DQS Find Limits - found PUP limit\n"); + break; + } + + /* + * Increment / decrement (Move to right / left + * one phase - ADLL) dqs RX / TX delay (for all un + * lock pups + */ + if (is_tx == 0) + curr_adll++; + else + curr_adll--; + } + + if (unlock_pup != 0) { + /* + * Found pups that didn't reach to the end of the + * state machine + */ + DEBUG_DQS_C("DDR3 - DQS Find Limits - Pups that didn't reached end of the state machine: ", + unlock_pup, 1); + + for (pup = 0; pup < max_pup; pup++) { + if (IS_PUP_ACTIVE(unlock_pup, pup) == 1) { + if (pup_adll_limit_state[pup] == + PUP_ADLL_LIMITS_STATE_FAIL) { + /* ERROR - found fail for all window size */ + DEBUG_DQS_S("DDR3 - DQS Find Limits - Got FAIL for the complete range on pup - "); + DEBUG_DQS_D(pup, 1); + DEBUG_DQS_C(" victim DQ ", + victim_dq, 1); + + /* For debug - set min limit to illegal limit */ + centralization_low_limit[pup] + = ADLL_ERROR; + /* + * In case the pup is in mode + * PASS - the limit is the min + * / max adll, no need to + * update because of the results + * array default value + */ + return MV_DDR3_TRAINING_ERR_PUP_RANGE; + } + } + } + } + } + + DEBUG_DQS_S("DDR3 - DQS Find Limits - DQ values per victim results:\n"); + for (victim_dq = 0; victim_dq < DQ_NUM; victim_dq++) { + for (pup = 0; pup < max_pup; pup++) { + DEBUG_DQS_S("Victim DQ-"); + DEBUG_DQS_D(victim_dq, 1); + DEBUG_DQS_S(", PUP-"); + DEBUG_DQS_D(pup, 1); + for (dq = 0; dq < DQ_NUM; dq++) { + DEBUG_DQS_S(", DQ-"); + DEBUG_DQS_D(dq, 1); + DEBUG_DQS_S(",S-"); + DEBUG_DQS_D(analog_pbs[victim_dq][pup][dq] + [0], 2); + DEBUG_DQS_S(",E-"); + DEBUG_DQS_D(analog_pbs[victim_dq][pup][dq] + [1], 2); + + if (is_tx == 0) { + if (analog_pbs[victim_dq][pup][dq][0] + > analog_pbs_sum[pup][dq][0]) + analog_pbs_sum[pup][dq][0] = + analog_pbs[victim_dq][pup] + [dq][0]; + if (analog_pbs[victim_dq][pup][dq][1] + < analog_pbs_sum[pup][dq][1]) + analog_pbs_sum[pup][dq][1] = + analog_pbs[victim_dq][pup] + [dq][1]; + } else { + if (analog_pbs[victim_dq][pup][dq][0] + < analog_pbs_sum[pup][dq][0]) + analog_pbs_sum[pup][dq][0] = + analog_pbs[victim_dq][pup] + [dq][0]; + if (analog_pbs[victim_dq][pup][dq][1] + > analog_pbs_sum[pup][dq][1]) + analog_pbs_sum[pup][dq][1] = + analog_pbs[victim_dq][pup] + [dq][1]; + } + } + DEBUG_DQS_S("\n"); + } + } + + if (ddr3_get_log_level() >= MV_LOG_LEVEL_3) { + u32 dq; + + DEBUG_PER_DQ_S("\n########## LOG LEVEL 3(Windows margins per-DQ) ##########\n"); + if (is_tx) { + DEBUG_PER_DQ_C("DDR3 - TX CS: ", cs, 1); + } else { + DEBUG_PER_DQ_C("DDR3 - RX CS: ", cs, 1); + } + + if (ecc == 0) { + DEBUG_PER_DQ_S("\n DATA RESULTS:\n"); + } else { + DEBUG_PER_DQ_S("\n ECC RESULTS:\n"); + } + + /* Since all dq has the same value we take 0 as representive */ + dq = 0; + for (pup = 0; pup < max_pup; pup++) { + if (ecc == 0) { + DEBUG_PER_DQ_S("\nBYTE:"); + DEBUG_PER_DQ_D(pup, 1); + DEBUG_PER_DQ_S("\n"); + } else { + DEBUG_PER_DQ_S("\nECC BYTE:\n"); + } + DEBUG_PER_DQ_S(" DQ's LOW HIGH WIN-SIZE\n"); + DEBUG_PER_DQ_S("============================================\n"); + for (victim_dq = 0; victim_dq < DQ_NUM; victim_dq++) { + if (ecc == 0) { + DEBUG_PER_DQ_S("DQ["); + DEBUG_PER_DQ_DD((victim_dq + + DQ_NUM * pup), 2); + DEBUG_PER_DQ_S("]"); + } else { + DEBUG_PER_DQ_S("CB["); + DEBUG_PER_DQ_DD(victim_dq, 2); + DEBUG_PER_DQ_S("]"); + } + if (is_tx) { + DEBUG_PER_DQ_S(" 0x"); + DEBUG_PER_DQ_D(analog_pbs[victim_dq][pup][dq][1], 2); /* low value */ + DEBUG_PER_DQ_S(" 0x"); + DEBUG_PER_DQ_D(analog_pbs[victim_dq][pup][dq][0], 2); /* high value */ + DEBUG_PER_DQ_S(" 0x"); + DEBUG_PER_DQ_D(analog_pbs[victim_dq][pup][dq][0] - analog_pbs[victim_dq][pup][dq][1], 2); /* win-size */ + } else { + DEBUG_PER_DQ_S(" 0x"); + DEBUG_PER_DQ_D(analog_pbs[victim_dq][pup][dq][0], 2); /* low value */ + DEBUG_PER_DQ_S(" 0x"); + DEBUG_PER_DQ_D((analog_pbs[victim_dq][pup][dq][1] - 1), 2); /* high value */ + DEBUG_PER_DQ_S(" 0x"); + DEBUG_PER_DQ_D(analog_pbs[victim_dq][pup][dq][1] - analog_pbs[victim_dq][pup][dq][0], 2); /* win-size */ + } + DEBUG_PER_DQ_S("\n"); + } + } + DEBUG_PER_DQ_S("\n"); + } + + if (is_tx) { + DEBUG_DQS_S("DDR3 - DQS TX - Find Limits - DQ values Summary:\n"); + } else { + DEBUG_DQS_S("DDR3 - DQS RX - Find Limits - DQ values Summary:\n"); + } + + for (pup = 0; pup < max_pup; pup++) { + DEBUG_DQS_S("PUP-"); + DEBUG_DQS_D(pup, 1); + for (dq = 0; dq < DQ_NUM; dq++) { + DEBUG_DQS_S(", DQ-"); + DEBUG_DQS_D(dq, 1); + DEBUG_DQS_S(",S-"); + DEBUG_DQS_D(analog_pbs_sum[pup][dq][0], 2); + DEBUG_DQS_S(",E-"); + DEBUG_DQS_D(analog_pbs_sum[pup][dq][1], 2); + } + DEBUG_DQS_S("\n"); + } + + if (is_tx) { + DEBUG_DQS_S("DDR3 - DQS TX - Find Limits - DQ values Summary:\n"); + } else { + DEBUG_DQS_S("DDR3 - DQS RX - Find Limits - DQ values Summary:\n"); + } + + for (pup = 0; pup < max_pup; pup++) { + if (max_pup == 1) { + /* For ECC PUP */ + DEBUG_DQS_S("DDR3 - DQS8"); + } else { + DEBUG_DQS_S("DDR3 - DQS"); + DEBUG_DQS_D(pup, 1); + } + + for (dq = 0; dq < DQ_NUM; dq++) { + DEBUG_DQS_S(", DQ-"); + DEBUG_DQS_D(dq, 1); + DEBUG_DQS_S("::S-"); + DEBUG_DQS_D(analog_pbs_sum[pup][dq][0], 2); + DEBUG_DQS_S(",E-"); + DEBUG_DQS_D(analog_pbs_sum[pup][dq][1], 2); + } + DEBUG_DQS_S("\n"); + } + + DEBUG_DQS_S("DDR3 - DQS Find Limits - Ended\n"); + + return MV_OK; +} + +/* + * Name: ddr3_check_window_limits + * Desc: Check window High & Low limits. + * Args: pup pup index + * high_limit window high limit + * low_limit window low limit + * is_tx Indicate whether Rx or Tx + * size_valid Indicate whether window size is valid + * Notes: + * Returns: MV_OK if success, other error code if fail. + */ +int ddr3_check_window_limits(u32 pup, int high_limit, int low_limit, int is_tx, + int *size_valid) +{ + DEBUG_DQS_FULL_S("DDR3 - DQS Check Win Limits - Starting\n"); + + if (low_limit > high_limit) { + DEBUG_DQS_S("DDR3 - DQS Check Win Limits - Pup "); + DEBUG_DQS_D(pup, 1); + DEBUG_DQS_S(" Low Limit grater than High Limit\n"); + *size_valid = 0; + return MV_OK; + } + + /* + * Check that window size is valid, if not it was probably false pass + * before + */ + if ((high_limit - low_limit) < MIN_WIN_SIZE) { + /* + * Since window size is too small probably there was false + * pass + */ + *size_valid = 0; + + DEBUG_DQS_S("DDR3 - DQS Check Win Limits - Pup "); + DEBUG_DQS_D(pup, 1); + DEBUG_DQS_S(" Window size is smaller than MIN_WIN_SIZE\n"); + + } else if ((high_limit - low_limit) > ADLL_MAX) { + *size_valid = 0; + + DEBUG_DQS_S("DDR3 - DQS Check Win Limits - Pup "); + DEBUG_DQS_D(pup, 1); + DEBUG_DQS_S + (" Window size is bigger than max ADLL taps (31) Exiting.\n"); + + return MV_FAIL; + + } else { + *size_valid = 1; + + DEBUG_DQS_FULL_S("DDR3 - DQS Check Win Limits - Pup "); + DEBUG_DQS_FULL_D(pup, 1); + DEBUG_DQS_FULL_C(" window size is ", (high_limit - low_limit), + 2); + } + + return MV_OK; +} + +/* + * Name: ddr3_center_calc + * Desc: Execute the calculate the center of windows phase. + * Args: pDram Info + * is_tx Indicate whether Rx or Tx + * Notes: + * Returns: MV_OK if success, other error code if fail. + */ +static int ddr3_center_calc(MV_DRAM_INFO *dram_info, u32 cs, u32 ecc, + int is_tx) +{ + /* bit array of pups that need specail search */ + u32 special_pattern_i_pup = 0; + u32 special_pattern_ii_pup = 0; + u32 pup; + u32 max_pup; + + max_pup = (ecc + (1 - ecc) * dram_info->num_of_std_pups); + + for (pup = 0; pup < max_pup; pup++) { + if (is_tx == 0) { + /* Check special pattern I */ + /* + * Special pattern Low limit search - relevant only + * for Rx, win size < threshold and low limit = 0 + */ + if (((centralization_high_limit[pup] - + centralization_low_limit[pup]) < VALID_WIN_THRS) + && (centralization_low_limit[pup] == MIN_DELAY)) + special_pattern_i_pup |= (1 << pup); + + /* Check special pattern II */ + /* + * Special pattern High limit search - relevant only + * for Rx, win size < threshold and high limit = 31 + */ + if (((centralization_high_limit[pup] - + centralization_low_limit[pup]) < VALID_WIN_THRS) + && (centralization_high_limit[pup] == MAX_DELAY)) + special_pattern_ii_pup |= (1 << pup); + } + } + + /* Run special pattern Low limit search - for relevant pup */ + if (special_pattern_i_pup != 0) { + DEBUG_DQS_S("DDR3 - DQS Center Calc - Entering special pattern I for Low limit search\n"); + if (MV_OK != + ddr3_special_pattern_i_search(dram_info, cs, ecc, is_tx, + special_pattern_i_pup)) + return MV_DDR3_TRAINING_ERR_DQS_LOW_LIMIT_SEARCH; + } + + /* Run special pattern High limit search - for relevant pup */ + if (special_pattern_ii_pup != 0) { + DEBUG_DQS_S("DDR3 - DQS Center Calc - Entering special pattern II for High limit search\n"); + if (MV_OK != + ddr3_special_pattern_ii_search(dram_info, cs, ecc, is_tx, + special_pattern_ii_pup)) + return MV_DDR3_TRAINING_ERR_DQS_HIGH_LIMIT_SEARCH; + } + + /* Set adll to center = (General_High_limit + General_Low_limit)/2 */ + return ddr3_set_dqs_centralization_results(dram_info, cs, ecc, is_tx); +} + +/* + * Name: ddr3_special_pattern_i_search + * Desc: Execute special pattern low limit search. + * Args: + * special_pattern_pup The pups that need the special search + * Notes: + * Returns: MV_OK if success, other error code if fail. + */ +int ddr3_special_pattern_i_search(MV_DRAM_INFO *dram_info, u32 cs, u32 ecc, + int is_tx, u32 special_pattern_pup) +{ + u32 victim_dq; /* loop index - victim DQ */ + u32 adll_idx; + u32 pup; + u32 unlock_pup; /* bit array of the unlock pups */ + u32 first_fail; /* bit array - of pups that get first fail */ + u32 new_lockup_pup; /* bit array of compare failed pups */ + u32 pass_pup; /* bit array of compare pass pup */ + u32 sdram_offset; + u32 max_pup; + u32 comp_val; + u32 special_res[MAX_PUP_NUM]; /* hold tmp results */ + + DEBUG_DQS_S("DDR3 - DQS - Special Pattern I Search - Starting\n"); + + max_pup = ecc + (1 - ecc) * dram_info->num_of_std_pups; + + /* Init the temporary results to max ADLL value */ + for (pup = 0; pup < max_pup; pup++) + special_res[pup] = ADLL_MAX; + + /* Run special pattern for all DQ - use the same pattern */ + for (victim_dq = 0; victim_dq < DQ_NUM; victim_dq++) { + unlock_pup = special_pattern_pup; + first_fail = 0; + + sdram_offset = cs * SDRAM_CS_SIZE + SDRAM_DQS_RX_OFFS + + LEN_KILLER_PATTERN * 4 * victim_dq; + + for (pup = 0; pup < max_pup; pup++) { + /* Set adll value per PUP. adll = high limit per pup */ + if (IS_PUP_ACTIVE(unlock_pup, pup)) { + /* only for pups that need special search */ + ddr3_write_pup_reg(PUP_DQS_RD, cs, + pup + (ecc * ECC_PUP), 0, + centralization_high_limit + [pup]); + } + } + + adll_idx = 0; + do { + /* + * Perform read and compare simultaneously for all + * un-locked MC use the special pattern mask + */ + new_lockup_pup = 0; + + if (MV_OK != + ddr3_sdram_dqs_compare(dram_info, unlock_pup, + &new_lockup_pup, + special_pattern + [victim_dq], + LEN_SPECIAL_PATTERN, + sdram_offset, 0, + 0, NULL, 1)) + return MV_FAIL; + + DEBUG_DQS_S("DDR3 - DQS - Special I - ADLL value is: "); + DEBUG_DQS_D(adll_idx, 2); + DEBUG_DQS_S(", UnlockPup: "); + DEBUG_DQS_D(unlock_pup, 2); + DEBUG_DQS_S(", NewLockPup: "); + DEBUG_DQS_D(new_lockup_pup, 2); + DEBUG_DQS_S("\n"); + + if (unlock_pup != new_lockup_pup) + DEBUG_DQS_S("DDR3 - DQS - Special I - Some Pup passed!\n"); + + /* Search for pups with passed compare & already fail */ + pass_pup = first_fail & ~new_lockup_pup & unlock_pup; + first_fail |= new_lockup_pup; + unlock_pup &= ~pass_pup; + + /* Get pass pups */ + if (pass_pup != 0) { + for (pup = 0; pup < max_pup; pup++) { + if (IS_PUP_ACTIVE(pass_pup, pup) == + 1) { + /* If pup passed and has first fail = 1 */ + /* keep min value of ADLL max value - current adll */ + /* (centralization_high_limit[pup] + adll_idx) = current adll !!! */ + comp_val = + (ADLL_MAX - + (centralization_high_limit + [pup] + adll_idx)); + + DEBUG_DQS_C + ("DDR3 - DQS - Special I - Pup - ", + pup, 1); + DEBUG_DQS_C + (" comp_val = ", + comp_val, 2); + + if (comp_val < + special_res[pup]) { + special_res[pup] = + comp_val; + centralization_low_limit + [pup] = + (-1) * + comp_val; + + DEBUG_DQS_C + ("DDR3 - DQS - Special I - Pup - ", + pup, 1); + DEBUG_DQS_C + (" Changed Low limit to ", + centralization_low_limit + [pup], 2); + } + } + } + } + + /* + * Did all PUP found missing window? + * Check for each pup if adll (different for each pup) + * reach maximum if reach max value - lock the pup + * if not - increment (Move to right one phase - ADLL) + * dqs RX delay + */ + adll_idx++; + for (pup = 0; pup < max_pup; pup++) { + if (IS_PUP_ACTIVE(unlock_pup, pup) == 1) { + /* Check only unlocked pups */ + if ((centralization_high_limit[pup] + + adll_idx) >= ADLL_MAX) { + /* reach maximum - lock the pup */ + DEBUG_DQS_C("DDR3 - DQS - Special I - reach maximum - lock pup ", + pup, 1); + unlock_pup &= ~(1 << pup); + } else { + /* Didn't reach maximum - increment ADLL */ + ddr3_write_pup_reg(PUP_DQS_RD, + cs, + pup + + (ecc * + ECC_PUP), 0, + (centralization_high_limit + [pup] + + adll_idx)); + } + } + } + } while (unlock_pup != 0); + } + + return MV_OK; +} + +/* + * Name: ddr3_special_pattern_ii_search + * Desc: Execute special pattern high limit search. + * Args: + * special_pattern_pup The pups that need the special search + * Notes: + * Returns: MV_OK if success, other error code if fail. + */ +int ddr3_special_pattern_ii_search(MV_DRAM_INFO *dram_info, u32 cs, u32 ecc, + int is_tx, u32 special_pattern_pup) +{ + u32 victim_dq; /* loop index - victim DQ */ + u32 adll_idx; + u32 pup; + u32 unlock_pup; /* bit array of the unlock pups */ + u32 first_fail; /* bit array - of pups that get first fail */ + u32 new_lockup_pup; /* bit array of compare failed pups */ + u32 pass_pup; /* bit array of compare pass pup */ + u32 sdram_offset; + u32 max_pup; + u32 comp_val; + u32 special_res[MAX_PUP_NUM]; /* hold tmp results */ + + DEBUG_DQS_S("DDR3 - DQS - Special Pattern II Search - Starting\n"); + + max_pup = (ecc + (1 - ecc) * dram_info->num_of_std_pups); + + /* init the tmporary results to max ADLL value */ + for (pup = 0; pup < max_pup; pup++) + special_res[pup] = ADLL_MAX; + + sdram_offset = cs * SDRAM_CS_SIZE + SDRAM_DQS_RX_OFFS; + + /* run special pattern for all DQ - use the same pattern */ + for (victim_dq = 0; victim_dq < DQ_NUM; victim_dq++) { + unlock_pup = special_pattern_pup; + first_fail = 0; + + for (pup = 0; pup < max_pup; pup++) { + /* Set adll value per PUP. adll = 0 */ + if (IS_PUP_ACTIVE(unlock_pup, pup)) { + /* Only for pups that need special search */ + ddr3_write_pup_reg(PUP_DQS_RD, cs, + pup + (ecc * ECC_PUP), 0, + ADLL_MIN); + } + } + + adll_idx = 0; + do { + /* + * Perform read and compare simultaneously for all + * un-locked MC use the special pattern mask + */ + new_lockup_pup = 0; + + if (MV_OK != ddr3_sdram_dqs_compare( + dram_info, unlock_pup, &new_lockup_pup, + special_pattern[victim_dq], + LEN_SPECIAL_PATTERN, + sdram_offset, 0, 0, NULL, 0)) + return MV_FAIL; + + DEBUG_DQS_S("DDR3 - DQS - Special II - ADLL value is "); + DEBUG_DQS_D(adll_idx, 2); + DEBUG_DQS_S("unlock_pup "); + DEBUG_DQS_D(unlock_pup, 1); + DEBUG_DQS_S("new_lockup_pup "); + DEBUG_DQS_D(new_lockup_pup, 1); + DEBUG_DQS_S("\n"); + + if (unlock_pup != new_lockup_pup) { + DEBUG_DQS_S("DDR3 - DQS - Special II - Some Pup passed!\n"); + } + + /* Search for pups with passed compare & already fail */ + pass_pup = first_fail & ~new_lockup_pup & unlock_pup; + first_fail |= new_lockup_pup; + unlock_pup &= ~pass_pup; + + /* Get pass pups */ + if (pass_pup != 0) { + for (pup = 0; pup < max_pup; pup++) { + if (IS_PUP_ACTIVE(pass_pup, pup) == + 1) { + /* If pup passed and has first fail = 1 */ + /* keep min value of ADLL max value - current adll */ + /* (adll_idx) = current adll !!! */ + comp_val = adll_idx; + + DEBUG_DQS_C("DDR3 - DQS - Special II - Pup - ", + pup, 1); + DEBUG_DQS_C(" comp_val = ", + comp_val, 1); + + if (comp_val < + special_res[pup]) { + special_res[pup] = + comp_val; + centralization_high_limit + [pup] = + ADLL_MAX + + comp_val; + + DEBUG_DQS_C + ("DDR3 - DQS - Special II - Pup - ", + pup, 1); + DEBUG_DQS_C + (" Changed High limit to ", + centralization_high_limit + [pup], 2); + } + } + } + } + + /* + * Did all PUP found missing window? + * Check for each pup if adll (different for each pup) + * reach maximum if reach max value - lock the pup + * if not - increment (Move to right one phase - ADLL) + * dqs RX delay + */ + adll_idx++; + for (pup = 0; pup < max_pup; pup++) { + if (IS_PUP_ACTIVE(unlock_pup, pup) == 1) { + /* Check only unlocked pups */ + if ((adll_idx) >= ADLL_MAX) { + /* Reach maximum - lock the pup */ + DEBUG_DQS_C("DDR3 - DQS - Special II - reach maximum - lock pup ", + pup, 1); + unlock_pup &= ~(1 << pup); + } else { + /* Didn't reach maximum - increment ADLL */ + ddr3_write_pup_reg(PUP_DQS_RD, + cs, + pup + + (ecc * + ECC_PUP), 0, + (adll_idx)); + } + } + } + } while (unlock_pup != 0); + } + + return MV_OK; +} + +/* + * Name: ddr3_set_dqs_centralization_results + * Desc: Set to HW the DQS centralization phase results. + * Args: + * is_tx Indicates whether to set Tx or RX results + * Notes: + * Returns: MV_OK if success, other error code if fail. + */ +int ddr3_set_dqs_centralization_results(MV_DRAM_INFO *dram_info, u32 cs, + u32 ecc, int is_tx) +{ + u32 pup, pup_num; + int addl_val; + u32 max_pup; + + max_pup = (ecc + (1 - ecc) * dram_info->num_of_std_pups); + + DEBUG_DQS_RESULTS_S("\n############ LOG LEVEL 2(Windows margins) ############\n");; + + if (is_tx) { + DEBUG_DQS_RESULTS_C("DDR3 - DQS TX - Set Dqs Centralization Results - CS: ", + cs, 1); + } else { + DEBUG_DQS_RESULTS_C("DDR3 - DQS RX - Set Dqs Centralization Results - CS: ", + cs, 1); + } + + /* Set adll to center = (General_High_limit + General_Low_limit)/2 */ + DEBUG_DQS_RESULTS_S("\nDQS LOW HIGH WIN-SIZE Set\n"); + DEBUG_DQS_RESULTS_S("==============================================\n"); + for (pup = 0; pup < max_pup; pup++) { + addl_val = (centralization_high_limit[pup] + + centralization_low_limit[pup]) / 2; + + pup_num = pup * (1 - ecc) + ecc * ECC_PUP; + + DEBUG_DQS_RESULTS_D(pup_num, 1); + DEBUG_DQS_RESULTS_S(" 0x"); + DEBUG_DQS_RESULTS_D(centralization_low_limit[pup], 2); + DEBUG_DQS_RESULTS_S(" 0x"); + DEBUG_DQS_RESULTS_D(centralization_high_limit[pup], 2); + DEBUG_DQS_RESULTS_S(" 0x"); + DEBUG_DQS_RESULTS_D(centralization_high_limit[pup] - + centralization_low_limit[pup], 2); + DEBUG_DQS_RESULTS_S(" 0x"); + DEBUG_DQS_RESULTS_D(addl_val, 2); + DEBUG_DQS_RESULTS_S("\n"); + + if (addl_val < ADLL_MIN) { + addl_val = ADLL_MIN; + DEBUG_DQS_RESULTS_S("DDR3 - DQS - Setting ADLL value for Pup to MIN (since it was lower than 0)\n"); + } + + if (addl_val > ADLL_MAX) { + addl_val = ADLL_MAX; + DEBUG_DQS_RESULTS_S("DDR3 - DQS - Setting ADLL value for Pup to MAX (since it was higher than 31)\n"); + } + + if (is_tx) { + ddr3_write_pup_reg(PUP_DQS_WR, cs, pup_num, 0, + addl_val + + dram_info->wl_val[cs][pup_num][D]); + } else { + ddr3_write_pup_reg(PUP_DQS_RD, cs, pup_num, 0, + addl_val); + } + } + + return MV_OK; +} + +/* + * Set training patterns + */ +int ddr3_load_dqs_patterns(MV_DRAM_INFO *dram_info) +{ + u32 cs, cs_count, cs_tmp, victim_dq; + u32 sdram_addr; + u32 *pattern_ptr; + + /* Loop for each CS */ + for (cs = 0; cs < MAX_CS; cs++) { + if (dram_info->cs_ena & (1 << cs)) { + cs_count = 0; + for (cs_tmp = 0; cs_tmp < cs; cs_tmp++) { + if (dram_info->cs_ena & (1 << cs_tmp)) + cs_count++; + } + + /* Init killer pattern */ + sdram_addr = (cs_count * (SDRAM_CS_SIZE + 1) + + SDRAM_DQS_RX_OFFS); + for (victim_dq = 0; victim_dq < DQ_NUM; victim_dq++) { + pattern_ptr = ddr3_dqs_choose_pattern(dram_info, + victim_dq); + if (MV_OK != ddr3_sdram_dqs_compare( + dram_info, (u32)NULL, NULL, + pattern_ptr, LEN_KILLER_PATTERN, + sdram_addr + LEN_KILLER_PATTERN * + 4 * victim_dq, 1, 0, NULL, + 0)) + return MV_DDR3_TRAINING_ERR_DQS_PATTERN; + } + + /* Init special-killer pattern */ + sdram_addr = (cs_count * (SDRAM_CS_SIZE + 1) + + SDRAM_DQS_RX_SPECIAL_OFFS); + for (victim_dq = 0; victim_dq < DQ_NUM; victim_dq++) { + if (MV_OK != ddr3_sdram_dqs_compare( + dram_info, (u32)NULL, NULL, + special_pattern[victim_dq], + LEN_KILLER_PATTERN, sdram_addr + + LEN_KILLER_PATTERN * 4 * victim_dq, + 1, 0, NULL, 0)) + return MV_DDR3_TRAINING_ERR_DQS_PATTERN; + } + } + } + + return MV_OK; +} diff --git a/drivers/ddr/mvebu/ddr3_hw_training.c b/drivers/ddr/mvebu/ddr3_hw_training.c new file mode 100644 index 0000000..a8c5e6a --- /dev/null +++ b/drivers/ddr/mvebu/ddr3_hw_training.c @@ -0,0 +1,1115 @@ +/* + * Copyright (C) Marvell International Ltd. and its affiliates + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#include <common.h> +#include <i2c.h> +#include <spl.h> +#include <asm/io.h> +#include <asm/arch/cpu.h> +#include <asm/arch/soc.h> + +#include "ddr3_init.h" +#include "ddr3_hw_training.h" +#include "xor.h" + +#ifdef MV88F78X60 +#include "ddr3_patterns_64bit.h" +#else +#include "ddr3_patterns_16bit.h" +#if defined(MV88F672X) +#include "ddr3_patterns_16bit.h" +#endif +#endif + +/* + * Debug + */ + +#define DEBUG_MAIN_C(s, d, l) \ + DEBUG_MAIN_S(s); DEBUG_MAIN_D(d, l); DEBUG_MAIN_S("\n") +#define DEBUG_MAIN_FULL_C(s, d, l) \ + DEBUG_MAIN_FULL_S(s); DEBUG_MAIN_FULL_D(d, l); DEBUG_MAIN_FULL_S("\n") + +#ifdef MV_DEBUG_MAIN +#define DEBUG_MAIN_S(s) puts(s) +#define DEBUG_MAIN_D(d, l) printf("%x", d) +#else +#define DEBUG_MAIN_S(s) +#define DEBUG_MAIN_D(d, l) +#endif + +#ifdef MV_DEBUG_MAIN_FULL +#define DEBUG_MAIN_FULL_S(s) puts(s) +#define DEBUG_MAIN_FULL_D(d, l) printf("%x", d) +#else +#define DEBUG_MAIN_FULL_S(s) +#define DEBUG_MAIN_FULL_D(d, l) +#endif + +#ifdef MV_DEBUG_SUSPEND_RESUME +#define DEBUG_SUSPEND_RESUME_S(s) puts(s) +#define DEBUG_SUSPEND_RESUME_D(d, l) printf("%x", d) +#else +#define DEBUG_SUSPEND_RESUME_S(s) +#define DEBUG_SUSPEND_RESUME_D(d, l) +#endif + +static u32 ddr3_sw_wl_rl_debug; +static u32 ddr3_run_pbs = 1; + +void ddr3_print_version(void) +{ + puts("DDR3 Training Sequence - Ver 5.7."); +} + +void ddr3_set_sw_wl_rl_debug(u32 val) +{ + ddr3_sw_wl_rl_debug = val; +} + +void ddr3_set_pbs(u32 val) +{ + ddr3_run_pbs = val; +} + +int ddr3_hw_training(u32 target_freq, u32 ddr_width, int xor_bypass, + u32 scrub_offs, u32 scrub_size, int dqs_clk_aligned, + int debug_mode, int reg_dimm_skip_wl) +{ + /* A370 has no PBS mechanism */ + __maybe_unused u32 first_loop_flag = 0; + u32 freq, reg; + MV_DRAM_INFO dram_info; + int ratio_2to1 = 0; + int tmp_ratio = 1; + int status; + + if (debug_mode) + DEBUG_MAIN_S("DDR3 Training Sequence - DEBUG - 1\n"); + + memset(&dram_info, 0, sizeof(dram_info)); + dram_info.num_cs = ddr3_get_cs_num_from_reg(); + dram_info.cs_ena = ddr3_get_cs_ena_from_reg(); + dram_info.target_frequency = target_freq; + dram_info.ddr_width = ddr_width; + dram_info.num_of_std_pups = ddr_width / PUP_SIZE; + dram_info.rl400_bug = 0; + dram_info.multi_cs_mr_support = 0; +#ifdef MV88F67XX + dram_info.rl400_bug = 1; +#endif + + /* Ignore ECC errors - if ECC is enabled */ + reg = reg_read(REG_SDRAM_CONFIG_ADDR); + if (reg & (1 << REG_SDRAM_CONFIG_ECC_OFFS)) { + dram_info.ecc_ena = 1; + reg |= (1 << REG_SDRAM_CONFIG_IERR_OFFS); + reg_write(REG_SDRAM_CONFIG_ADDR, reg); + } else { + dram_info.ecc_ena = 0; + } + + reg = reg_read(REG_SDRAM_CONFIG_ADDR); + if (reg & (1 << REG_SDRAM_CONFIG_REGDIMM_OFFS)) + dram_info.reg_dimm = 1; + else + dram_info.reg_dimm = 0; + + dram_info.num_of_total_pups = ddr_width / PUP_SIZE + dram_info.ecc_ena; + + /* Get target 2T value */ + reg = reg_read(REG_DUNIT_CTRL_LOW_ADDR); + dram_info.mode_2t = (reg >> REG_DUNIT_CTRL_LOW_2T_OFFS) & + REG_DUNIT_CTRL_LOW_2T_MASK; + + /* Get target CL value */ +#ifdef MV88F67XX + reg = reg_read(REG_DDR3_MR0_ADDR) >> 2; +#else + reg = reg_read(REG_DDR3_MR0_CS_ADDR) >> 2; +#endif + + reg = (((reg >> 1) & 0xE) | (reg & 0x1)) & 0xF; + dram_info.cl = ddr3_valid_cl_to_cl(reg); + + /* Get target CWL value */ +#ifdef MV88F67XX + reg = reg_read(REG_DDR3_MR2_ADDR) >> REG_DDR3_MR2_CWL_OFFS; +#else + reg = reg_read(REG_DDR3_MR2_CS_ADDR) >> REG_DDR3_MR2_CWL_OFFS; +#endif + + reg &= REG_DDR3_MR2_CWL_MASK; + dram_info.cwl = reg; +#if !defined(MV88F67XX) + /* A370 has no PBS mechanism */ +#if defined(MV88F78X60) + if ((dram_info.target_frequency > DDR_400) && (ddr3_run_pbs)) + first_loop_flag = 1; +#else + /* first_loop_flag = 1; skip mid freq at ALP/A375 */ + if ((dram_info.target_frequency > DDR_400) && (ddr3_run_pbs) && + (mv_ctrl_revision_get() >= UMC_A0)) + first_loop_flag = 1; + else + first_loop_flag = 0; +#endif +#endif + + freq = dram_info.target_frequency; + + /* Set ODT to always on */ + ddr3_odt_activate(1); + + /* Init XOR */ + mv_sys_xor_init(&dram_info); + + /* Get DRAM/HCLK ratio */ + if (reg_read(REG_DDR_IO_ADDR) & (1 << REG_DDR_IO_CLK_RATIO_OFFS)) + ratio_2to1 = 1; + + /* + * Xor Bypass - ECC support in AXP is currently available for 1:1 + * modes frequency modes. + * Not all frequency modes support the ddr3 training sequence + * (Only 1200/300). + * Xor Bypass allows using the Xor initializations and scrubbing + * inside the ddr3 training sequence without running the training + * itself. + */ + if (xor_bypass == 0) { + if (ddr3_run_pbs) { + DEBUG_MAIN_S("DDR3 Training Sequence - Run with PBS.\n"); + } else { + DEBUG_MAIN_S("DDR3 Training Sequence - Run without PBS.\n"); + } + + if (dram_info.target_frequency > DFS_MARGIN) { + tmp_ratio = 0; + freq = DDR_100; + + if (dram_info.reg_dimm == 1) + freq = DDR_300; + + if (MV_OK != ddr3_dfs_high_2_low(freq, &dram_info)) { + /* Set low - 100Mhz DDR Frequency by HW */ + DEBUG_MAIN_S("DDR3 Training Sequence - FAILED (Dfs High2Low)\n"); + return MV_DDR3_TRAINING_ERR_DFS_H2L; + } + + if ((dram_info.reg_dimm == 1) && + (reg_dimm_skip_wl == 0)) { + if (MV_OK != + ddr3_write_leveling_hw_reg_dimm(freq, + &dram_info)) + DEBUG_MAIN_S("DDR3 Training Sequence - Registered DIMM Low WL - SKIP\n"); + } + + if (ddr3_get_log_level() >= MV_LOG_LEVEL_1) + ddr3_print_freq(freq); + + if (debug_mode) + DEBUG_MAIN_S("DDR3 Training Sequence - DEBUG - 2\n"); + } else { + if (!dqs_clk_aligned) { +#ifdef MV88F67XX + /* + * If running training sequence without DFS, + * we must run Write leveling before writing + * the patterns + */ + + /* + * ODT - Multi CS system use SW WL, + * Single CS System use HW WL + */ + if (dram_info.cs_ena > 1) { + if (MV_OK != + ddr3_write_leveling_sw( + freq, tmp_ratio, + &dram_info)) { + DEBUG_MAIN_S("DDR3 Training Sequence - FAILED (Write Leveling Sw)\n"); + return MV_DDR3_TRAINING_ERR_WR_LVL_SW; + } + } else { + if (MV_OK != + ddr3_write_leveling_hw(freq, + &dram_info)) { + DEBUG_MAIN_S("DDR3 Training Sequence - FAILED (Write Leveling Hw)\n"); + return MV_DDR3_TRAINING_ERR_WR_LVL_HW; + } + } +#else + if (MV_OK != ddr3_write_leveling_hw( + freq, &dram_info)) { + DEBUG_MAIN_S("DDR3 Training Sequence - FAILED (Write Leveling Hw)\n"); + if (ddr3_sw_wl_rl_debug) { + if (MV_OK != + ddr3_write_leveling_sw( + freq, tmp_ratio, + &dram_info)) { + DEBUG_MAIN_S("DDR3 Training Sequence - FAILED (Write Leveling Sw)\n"); + return MV_DDR3_TRAINING_ERR_WR_LVL_SW; + } + } else { + return MV_DDR3_TRAINING_ERR_WR_LVL_HW; + } + } +#endif + } + + if (debug_mode) + DEBUG_MAIN_S("DDR3 Training Sequence - DEBUG - 3\n"); + } + + if (MV_OK != ddr3_load_patterns(&dram_info, 0)) { + DEBUG_MAIN_S("DDR3 Training Sequence - FAILED (Loading Patterns)\n"); + return MV_DDR3_TRAINING_ERR_LOAD_PATTERNS; + } + + /* + * TODO: + * The mainline U-Boot port of the bin_hdr DDR training code + * needs a delay of minimum 20ms here (10ms is a bit too short + * and the CPU hangs). The bin_hdr code doesn't have this delay. + * To be save here, lets add a delay of 50ms here. + * + * Tested on the Marvell DB-MV784MP-GP board + */ + mdelay(50); + + do { + freq = dram_info.target_frequency; + tmp_ratio = ratio_2to1; + DEBUG_MAIN_FULL_S("DDR3 Training Sequence - DEBUG - 4\n"); + +#if defined(MV88F78X60) + /* + * There is a difference on the DFS frequency at the + * first iteration of this loop + */ + if (first_loop_flag) { + freq = DDR_400; + tmp_ratio = 0; + } +#endif + + if (MV_OK != ddr3_dfs_low_2_high(freq, tmp_ratio, + &dram_info)) { + DEBUG_MAIN_S("DDR3 Training Sequence - FAILED (Dfs Low2High)\n"); + return MV_DDR3_TRAINING_ERR_DFS_H2L; + } + + if (ddr3_get_log_level() >= MV_LOG_LEVEL_1) { + ddr3_print_freq(freq); + } + + if (debug_mode) + DEBUG_MAIN_S("DDR3 Training Sequence - DEBUG - 5\n"); + + /* Write leveling */ + if (!dqs_clk_aligned) { +#ifdef MV88F67XX + /* + * ODT - Multi CS system that not support Multi + * CS MRS commands must use SW WL + */ + if (dram_info.cs_ena > 1) { + if (MV_OK != ddr3_write_leveling_sw( + freq, tmp_ratio, &dram_info)) { + DEBUG_MAIN_S("DDR3 Training Sequence - FAILED (Write Leveling Sw)\n"); + return MV_DDR3_TRAINING_ERR_WR_LVL_SW; + } + } else { + if (MV_OK != ddr3_write_leveling_hw( + freq, &dram_info)) { + DEBUG_MAIN_S("DDR3 Training Sequence - FAILED (Write Leveling Hw)\n"); + return MV_DDR3_TRAINING_ERR_WR_LVL_HW; + } + } +#else + if ((dram_info.reg_dimm == 1) && + (freq == DDR_400)) { + if (reg_dimm_skip_wl == 0) { + if (MV_OK != ddr3_write_leveling_hw_reg_dimm( + freq, &dram_info)) + DEBUG_MAIN_S("DDR3 Training Sequence - Registered DIMM WL - SKIP\n"); + } + } else { + if (MV_OK != ddr3_write_leveling_hw( + freq, &dram_info)) { + DEBUG_MAIN_S("DDR3 Training Sequence - FAILED (Write Leveling Hw)\n"); + if (ddr3_sw_wl_rl_debug) { + if (MV_OK != ddr3_write_leveling_sw( + freq, tmp_ratio, &dram_info)) { + DEBUG_MAIN_S("DDR3 Training Sequence - FAILED (Write Leveling Sw)\n"); + return MV_DDR3_TRAINING_ERR_WR_LVL_SW; + } + } else { + return MV_DDR3_TRAINING_ERR_WR_LVL_HW; + } + } + } +#endif + if (debug_mode) + DEBUG_MAIN_S + ("DDR3 Training Sequence - DEBUG - 6\n"); + } + + /* Read Leveling */ + /* + * Armada 370 - Support for HCLK @ 400MHZ - must use + * SW read leveling + */ + if (freq == DDR_400 && dram_info.rl400_bug) { + status = ddr3_read_leveling_sw(freq, tmp_ratio, + &dram_info); + if (MV_OK != status) { + DEBUG_MAIN_S + ("DDR3 Training Sequence - FAILED (Read Leveling Sw)\n"); + return status; + } + } else { + if (MV_OK != ddr3_read_leveling_hw( + freq, &dram_info)) { + DEBUG_MAIN_S("DDR3 Training Sequence - FAILED (Read Leveling Hw)\n"); + if (ddr3_sw_wl_rl_debug) { + if (MV_OK != ddr3_read_leveling_sw( + freq, tmp_ratio, + &dram_info)) { + DEBUG_MAIN_S("DDR3 Training Sequence - FAILED (Read Leveling Sw)\n"); + return MV_DDR3_TRAINING_ERR_WR_LVL_SW; + } + } else { + return MV_DDR3_TRAINING_ERR_WR_LVL_HW; + } + } + } + + if (debug_mode) + DEBUG_MAIN_S("DDR3 Training Sequence - DEBUG - 7\n"); + + if (MV_OK != ddr3_wl_supplement(&dram_info)) { + DEBUG_MAIN_S("DDR3 Training Sequence - FAILED (Write Leveling Hi-Freq Sup)\n"); + return MV_DDR3_TRAINING_ERR_WR_LVL_HI_FREQ; + } + + if (debug_mode) + DEBUG_MAIN_S("DDR3 Training Sequence - DEBUG - 8\n"); +#if !defined(MV88F67XX) + /* A370 has no PBS mechanism */ +#if defined(MV88F78X60) || defined(MV88F672X) + if (first_loop_flag == 1) { + first_loop_flag = 0; + + status = MV_OK; + status = ddr3_pbs_rx(&dram_info); + if (MV_OK != status) { + DEBUG_MAIN_S("DDR3 Training Sequence - FAILED (PBS RX)\n"); + return status; + } + + if (debug_mode) + DEBUG_MAIN_S("DDR3 Training Sequence - DEBUG - 9\n"); + + status = ddr3_pbs_tx(&dram_info); + if (MV_OK != status) { + DEBUG_MAIN_S("DDR3 Training Sequence - FAILED (PBS TX)\n"); + return status; + } + + if (debug_mode) + DEBUG_MAIN_S("DDR3 Training Sequence - DEBUG - 10\n"); + } +#endif +#endif + } while (freq != dram_info.target_frequency); + + status = ddr3_dqs_centralization_rx(&dram_info); + if (MV_OK != status) { + DEBUG_MAIN_S("DDR3 Training Sequence - FAILED (DQS Centralization RX)\n"); + return status; + } + + if (debug_mode) + DEBUG_MAIN_S("DDR3 Training Sequence - DEBUG - 11\n"); + + status = ddr3_dqs_centralization_tx(&dram_info); + if (MV_OK != status) { + DEBUG_MAIN_S("DDR3 Training Sequence - FAILED (DQS Centralization TX)\n"); + return status; + } + + if (debug_mode) + DEBUG_MAIN_S("DDR3 Training Sequence - DEBUG - 12\n"); + } + + ddr3_set_performance_params(&dram_info); + + if (dram_info.ecc_ena) { + /* Need to SCRUB the DRAM memory area to load U-boot */ + mv_sys_xor_finish(); + dram_info.num_cs = 1; + dram_info.cs_ena = 1; + mv_sys_xor_init(&dram_info); + mv_xor_mem_init(0, scrub_offs, scrub_size, 0xdeadbeef, + 0xdeadbeef); + + /* Wait for previous transfer completion */ + while (mv_xor_state_get(0) != MV_IDLE) + ; + + if (debug_mode) + DEBUG_MAIN_S("DDR3 Training Sequence - DEBUG - 13\n"); + } + + /* Return XOR State */ + mv_sys_xor_finish(); + +#if defined(MV88F78X60) + /* Save training results in memeory for resume state */ + ddr3_save_training(&dram_info); +#endif + /* Clear ODT always on */ + ddr3_odt_activate(0); + + /* Configure Dynamic read ODT */ + ddr3_odt_read_dynamic_config(&dram_info); + + return MV_OK; +} + +void ddr3_set_performance_params(MV_DRAM_INFO *dram_info) +{ + u32 twr2wr, trd2rd, trd2wr_wr2rd; + u32 tmp1, tmp2, reg; + + DEBUG_MAIN_FULL_C("Max WL Phase: ", dram_info->wl_max_phase, 2); + DEBUG_MAIN_FULL_C("Min WL Phase: ", dram_info->wl_min_phase, 2); + DEBUG_MAIN_FULL_C("Max RL Phase: ", dram_info->rl_max_phase, 2); + DEBUG_MAIN_FULL_C("Min RL Phase: ", dram_info->rl_min_phase, 2); + + if (dram_info->wl_max_phase < 2) + twr2wr = 0x2; + else + twr2wr = 0x3; + + trd2rd = 0x1 + (dram_info->rl_max_phase + 1) / 2 + + (dram_info->rl_max_phase + 1) % 2; + + tmp1 = (dram_info->rl_max_phase - dram_info->wl_min_phase) / 2 + + (((dram_info->rl_max_phase - dram_info->wl_min_phase) % 2) > + 0 ? 1 : 0); + tmp2 = (dram_info->wl_max_phase - dram_info->rl_min_phase) / 2 + + ((dram_info->wl_max_phase - dram_info->rl_min_phase) % 2 > + 0 ? 1 : 0); + trd2wr_wr2rd = (tmp1 >= tmp2) ? tmp1 : tmp2; + + trd2wr_wr2rd += 2; + trd2rd += 2; + twr2wr += 2; + + DEBUG_MAIN_FULL_C("WR 2 WR: ", twr2wr, 2); + DEBUG_MAIN_FULL_C("RD 2 RD: ", trd2rd, 2); + DEBUG_MAIN_FULL_C("RD 2 WR / WR 2 RD: ", trd2wr_wr2rd, 2); + + reg = reg_read(REG_SDRAM_TIMING_HIGH_ADDR); + + reg &= ~(REG_SDRAM_TIMING_H_W2W_MASK << REG_SDRAM_TIMING_H_W2W_OFFS); + reg |= ((twr2wr & REG_SDRAM_TIMING_H_W2W_MASK) << + REG_SDRAM_TIMING_H_W2W_OFFS); + + reg &= ~(REG_SDRAM_TIMING_H_R2R_MASK << REG_SDRAM_TIMING_H_R2R_OFFS); + reg &= ~(REG_SDRAM_TIMING_H_R2R_H_MASK << + REG_SDRAM_TIMING_H_R2R_H_OFFS); + reg |= ((trd2rd & REG_SDRAM_TIMING_H_R2R_MASK) << + REG_SDRAM_TIMING_H_R2R_OFFS); + reg |= (((trd2rd >> 2) & REG_SDRAM_TIMING_H_R2R_H_MASK) << + REG_SDRAM_TIMING_H_R2R_H_OFFS); + + reg &= ~(REG_SDRAM_TIMING_H_R2W_W2R_MASK << + REG_SDRAM_TIMING_H_R2W_W2R_OFFS); + reg &= ~(REG_SDRAM_TIMING_H_R2W_W2R_H_MASK << + REG_SDRAM_TIMING_H_R2W_W2R_H_OFFS); + reg |= ((trd2wr_wr2rd & REG_SDRAM_TIMING_H_R2W_W2R_MASK) << + REG_SDRAM_TIMING_H_R2W_W2R_OFFS); + reg |= (((trd2wr_wr2rd >> 2) & REG_SDRAM_TIMING_H_R2W_W2R_H_MASK) << + REG_SDRAM_TIMING_H_R2W_W2R_H_OFFS); + + reg_write(REG_SDRAM_TIMING_HIGH_ADDR, reg); +} + +/* + * Perform DDR3 PUP Indirect Write + */ +void ddr3_write_pup_reg(u32 mode, u32 cs, u32 pup, u32 phase, u32 delay) +{ + u32 reg = 0; + + if (pup == PUP_BC) + reg |= (1 << REG_PHY_BC_OFFS); + else + reg |= (pup << REG_PHY_PUP_OFFS); + + reg |= ((0x4 * cs + mode) << REG_PHY_CS_OFFS); + reg |= (phase << REG_PHY_PHASE_OFFS) | delay; + + if (mode == PUP_WL_MODE) + reg |= ((INIT_WL_DELAY + delay) << REG_PHY_DQS_REF_DLY_OFFS); + + reg_write(REG_PHY_REGISTRY_FILE_ACCESS_ADDR, reg); /* 0x16A0 */ + reg |= REG_PHY_REGISTRY_FILE_ACCESS_OP_WR; + reg_write(REG_PHY_REGISTRY_FILE_ACCESS_ADDR, reg); /* 0x16A0 */ + + do { + reg = reg_read(REG_PHY_REGISTRY_FILE_ACCESS_ADDR) & + REG_PHY_REGISTRY_FILE_ACCESS_OP_DONE; + } while (reg); /* Wait for '0' to mark the end of the transaction */ + + /* If read Leveling mode - need to write to register 3 separetly */ + if (mode == PUP_RL_MODE) { + reg = 0; + + if (pup == PUP_BC) + reg |= (1 << REG_PHY_BC_OFFS); + else + reg |= (pup << REG_PHY_PUP_OFFS); + + reg |= ((0x4 * cs + mode + 1) << REG_PHY_CS_OFFS); + reg |= (INIT_RL_DELAY); + + reg_write(REG_PHY_REGISTRY_FILE_ACCESS_ADDR, reg); /* 0x16A0 */ + reg |= REG_PHY_REGISTRY_FILE_ACCESS_OP_WR; + reg_write(REG_PHY_REGISTRY_FILE_ACCESS_ADDR, reg); /* 0x16A0 */ + + do { + reg = reg_read(REG_PHY_REGISTRY_FILE_ACCESS_ADDR) & + REG_PHY_REGISTRY_FILE_ACCESS_OP_DONE; + } while (reg); + } +} + +/* + * Perform DDR3 PUP Indirect Read + */ +u32 ddr3_read_pup_reg(u32 mode, u32 cs, u32 pup) +{ + u32 reg; + + reg = (pup << REG_PHY_PUP_OFFS) | + ((0x4 * cs + mode) << REG_PHY_CS_OFFS); + reg_write(REG_PHY_REGISTRY_FILE_ACCESS_ADDR, reg); /* 0x16A0 */ + + reg |= REG_PHY_REGISTRY_FILE_ACCESS_OP_RD; + reg_write(REG_PHY_REGISTRY_FILE_ACCESS_ADDR, reg); /* 0x16A0 */ + + do { + reg = reg_read(REG_PHY_REGISTRY_FILE_ACCESS_ADDR) & + REG_PHY_REGISTRY_FILE_ACCESS_OP_DONE; + } while (reg); /* Wait for '0' to mark the end of the transaction */ + + return reg_read(REG_PHY_REGISTRY_FILE_ACCESS_ADDR); /* 0x16A0 */ +} + +/* + * Set training patterns + */ +int ddr3_load_patterns(MV_DRAM_INFO *dram_info, int resume) +{ + u32 reg; + + /* Enable SW override - Required for the ECC Pup */ + reg = reg_read(REG_DRAM_TRAINING_2_ADDR) | + (1 << REG_DRAM_TRAINING_2_SW_OVRD_OFFS); + + /* [0] = 1 - Enable SW override */ + /* 0x15B8 - Training SW 2 Register */ + reg_write(REG_DRAM_TRAINING_2_ADDR, reg); + + reg = (1 << REG_DRAM_TRAINING_AUTO_OFFS); + reg_write(REG_DRAM_TRAINING_ADDR, reg); /* 0x15B0 - Training Register */ + + if (resume == 0) { +#if defined(MV88F78X60) || defined(MV88F672X) + ddr3_load_pbs_patterns(dram_info); +#endif + ddr3_load_dqs_patterns(dram_info); + } + + /* Disable SW override - Must be in a different stage */ + /* [0]=0 - Enable SW override */ + reg = reg_read(REG_DRAM_TRAINING_2_ADDR); + reg &= ~(1 << REG_DRAM_TRAINING_2_SW_OVRD_OFFS); + /* 0x15B8 - Training SW 2 Register */ + reg_write(REG_DRAM_TRAINING_2_ADDR, reg); + + reg = reg_read(REG_DRAM_TRAINING_1_ADDR) | + (1 << REG_DRAM_TRAINING_1_TRNBPOINT_OFFS); + reg_write(REG_DRAM_TRAINING_1_ADDR, reg); + + /* Set Base Addr */ +#if defined(MV88F67XX) + reg_write(REG_DRAM_TRAINING_PATTERN_BASE_ADDR, 0); +#else + if (resume == 0) + reg_write(REG_DRAM_TRAINING_PATTERN_BASE_ADDR, 0); + else + reg_write(REG_DRAM_TRAINING_PATTERN_BASE_ADDR, + RESUME_RL_PATTERNS_ADDR); +#endif + + /* Set Patterns */ + if (resume == 0) { + reg = (dram_info->cs_ena << REG_DRAM_TRAINING_CS_OFFS) | + (1 << REG_DRAM_TRAINING_PATTERNS_OFFS); + } else { + reg = (0x1 << REG_DRAM_TRAINING_CS_OFFS) | + (1 << REG_DRAM_TRAINING_PATTERNS_OFFS); + } + + reg |= (1 << REG_DRAM_TRAINING_AUTO_OFFS); + + reg_write(REG_DRAM_TRAINING_ADDR, reg); + + udelay(100); + + /* Check if Successful */ + if (reg_read(REG_DRAM_TRAINING_ADDR) & + (1 << REG_DRAM_TRAINING_ERROR_OFFS)) + return MV_OK; + else + return MV_FAIL; +} + +#if !defined(MV88F67XX) +/* + * Name: ddr3_save_training(MV_DRAM_INFO *dram_info) + * Desc: saves the training results to memeory (RL,WL,PBS,Rx/Tx + * Centeralization) + * Args: MV_DRAM_INFO *dram_info + * Notes: + * Returns: None. + */ +void ddr3_save_training(MV_DRAM_INFO *dram_info) +{ + u32 val, pup, tmp_cs, cs, i, dq; + u32 crc = 0; + u32 regs = 0; + u32 *sdram_offset = (u32 *)RESUME_TRAINING_VALUES_ADDR; + u32 mode_config[MAX_TRAINING_MODE]; + + mode_config[DQS_WR_MODE] = PUP_DQS_WR; + mode_config[WL_MODE_] = PUP_WL_MODE; + mode_config[RL_MODE_] = PUP_RL_MODE; + mode_config[DQS_RD_MODE] = PUP_DQS_RD; + mode_config[PBS_TX_DM_MODE] = PUP_PBS_TX_DM; + mode_config[PBS_TX_MODE] = PUP_PBS_TX; + mode_config[PBS_RX_MODE] = PUP_PBS_RX; + + /* num of training modes */ + for (i = 0; i < MAX_TRAINING_MODE; i++) { + tmp_cs = dram_info->cs_ena; + /* num of CS */ + for (cs = 0; cs < MAX_CS; cs++) { + if (tmp_cs & (1 << cs)) { + /* num of PUPs */ + for (pup = 0; pup < dram_info->num_of_total_pups; + pup++) { + if (pup == dram_info->num_of_std_pups && + dram_info->ecc_ena) + pup = ECC_PUP; + if (i == PBS_TX_DM_MODE) { + /* + * Change CS bitmask because + * PBS works only with CS0 + */ + tmp_cs = 0x1; + val = ddr3_read_pup_reg( + mode_config[i], CS0, pup); + } else if (i == PBS_TX_MODE || + i == PBS_RX_MODE) { + /* + * Change CS bitmask because + * PBS works only with CS0 + */ + tmp_cs = 0x1; + for (dq = 0; dq <= DQ_NUM; + dq++) { + val = ddr3_read_pup_reg( + mode_config[i] + dq, + CS0, + pup); + (*sdram_offset) = val; + crc += *sdram_offset; + sdram_offset++; + regs++; + } + continue; + } else { + val = ddr3_read_pup_reg( + mode_config[i], cs, pup); + } + + *sdram_offset = val; + crc += *sdram_offset; + sdram_offset++; + regs++; + } + } + } + } + + *sdram_offset = reg_read(REG_READ_DATA_SAMPLE_DELAYS_ADDR); + crc += *sdram_offset; + sdram_offset++; + regs++; + *sdram_offset = reg_read(REG_READ_DATA_READY_DELAYS_ADDR); + crc += *sdram_offset; + sdram_offset++; + regs++; + sdram_offset = (u32 *)NUM_OF_REGISTER_ADDR; + *sdram_offset = regs; + DEBUG_SUSPEND_RESUME_S("Training Results CheckSum write= "); + DEBUG_SUSPEND_RESUME_D(crc, 8); + DEBUG_SUSPEND_RESUME_S("\n"); + sdram_offset = (u32 *)CHECKSUM_RESULT_ADDR; + *sdram_offset = crc; +} + +/* + * Name: ddr3_read_training_results() + * Desc: Reads the training results from memeory (RL,WL,PBS,Rx/Tx + * Centeralization) + * and writes them to the relevant registers + * Args: MV_DRAM_INFO *dram_info + * Notes: + * Returns: None. + */ +int ddr3_read_training_results(void) +{ + u32 val, reg, idx, dqs_wr_idx = 0, crc = 0; + u32 *sdram_offset = (u32 *)RESUME_TRAINING_VALUES_ADDR; + u32 training_val[RESUME_TRAINING_VALUES_MAX] = { 0 }; + u32 regs = *((u32 *)NUM_OF_REGISTER_ADDR); + + /* + * Read Training results & Dunit registers from memory and write + * it to an array + */ + for (idx = 0; idx < regs; idx++) { + training_val[idx] = *sdram_offset; + crc += *sdram_offset; + sdram_offset++; + } + + sdram_offset = (u32 *)CHECKSUM_RESULT_ADDR; + + if ((*sdram_offset) == crc) { + DEBUG_SUSPEND_RESUME_S("Training Results CheckSum read PASS= "); + DEBUG_SUSPEND_RESUME_D(crc, 8); + DEBUG_SUSPEND_RESUME_S("\n"); + } else { + DEBUG_MAIN_S("Wrong Training Results CheckSum\n"); + return MV_FAIL; + } + + /* + * We iterate through all the registers except for the last 2 since + * they are Dunit registers (and not PHY registers) + */ + for (idx = 0; idx < (regs - 2); idx++) { + val = training_val[idx]; + reg = (val >> REG_PHY_CS_OFFS) & 0x3F; /*read the phy address */ + + /* Check if the values belongs to the DQS WR */ + if (reg == PUP_WL_MODE) { + /* bit[5:0] in DQS_WR are delay */ + val = (training_val[dqs_wr_idx++] & 0x3F); + /* + * bit[15:10] are DQS_WR delay & bit[9:0] are + * WL phase & delay + */ + val = (val << REG_PHY_DQS_REF_DLY_OFFS) | + (training_val[idx] & 0x3C003FF); + /* Add Request pending and write operation bits */ + val |= REG_PHY_REGISTRY_FILE_ACCESS_OP_WR; + } else if (reg == PUP_DQS_WR) { + /* + * Do nothing since DQS_WR will be done in PUP_WL_MODE + */ + continue; + } + + val |= REG_PHY_REGISTRY_FILE_ACCESS_OP_WR; + reg_write(REG_PHY_REGISTRY_FILE_ACCESS_ADDR, val); + do { + val = (reg_read(REG_PHY_REGISTRY_FILE_ACCESS_ADDR)) & + REG_PHY_REGISTRY_FILE_ACCESS_OP_DONE; + } while (val); /* Wait for '0' to mark the end of the transaction */ + } + + /* write last 2 Dunit configurations */ + val = training_val[idx]; + reg_write(REG_READ_DATA_SAMPLE_DELAYS_ADDR, val); /* reg 0x1538 */ + val = training_val[idx + 1]; + reg_write(REG_READ_DATA_READY_DELAYS_ADDR, val); /* reg 0x153c */ + + return MV_OK; +} + +/* + * Name: ddr3_check_if_resume_mode() + * Desc: Reads the address (0x3000) of the Resume Magic word (0xDEADB002) + * Args: MV_DRAM_INFO *dram_info + * Notes: + * Returns: return (magic_word == SUSPEND_MAGIC_WORD) + */ +int ddr3_check_if_resume_mode(MV_DRAM_INFO *dram_info, u32 freq) +{ + u32 magic_word; + u32 *sdram_offset = (u32 *)BOOT_INFO_ADDR; + + if (dram_info->reg_dimm != 1) { + /* + * Perform write levleling in order initiate the phy with + * low frequency + */ + if (MV_OK != ddr3_write_leveling_hw(freq, dram_info)) { + DEBUG_MAIN_S("DDR3 Training Sequence - FAILED (Write Leveling Hw)\n"); + return MV_DDR3_TRAINING_ERR_WR_LVL_HW; + } + } + + if (MV_OK != ddr3_load_patterns(dram_info, 1)) { + DEBUG_MAIN_S("DDR3 Training Sequence - FAILED (Loading Patterns)\n"); + return MV_DDR3_TRAINING_ERR_LOAD_PATTERNS; + } + + /* Enable CS0 only for RL */ + dram_info->cs_ena = 0x1; + + /* Perform Read levleling in order to get stable memory */ + if (MV_OK != ddr3_read_leveling_hw(freq, dram_info)) { + DEBUG_MAIN_S("DDR3 Training Sequence - FAILED (Read Leveling Hw)\n"); + return MV_DDR3_TRAINING_ERR_WR_LVL_HW; + } + + /* Back to relevant CS */ + dram_info->cs_ena = ddr3_get_cs_ena_from_reg(); + + magic_word = *sdram_offset; + return magic_word == SUSPEND_MAGIC_WORD; +} + +/* + * Name: ddr3_training_suspend_resume() + * Desc: Execute the Resume state + * Args: MV_DRAM_INFO *dram_info + * Notes: + * Returns: return (magic_word == SUSPEND_MAGIC_WORD) + */ +int ddr3_training_suspend_resume(MV_DRAM_INFO *dram_info) +{ + u32 freq, reg; + int tmp_ratio; + + /* Configure DDR */ + if (MV_OK != ddr3_read_training_results()) + return MV_FAIL; + + /* Reset read FIFO */ + reg = reg_read(REG_DRAM_TRAINING_ADDR); + + /* Start Auto Read Leveling procedure */ + reg |= (1 << REG_DRAM_TRAINING_RL_OFFS); + reg_write(REG_DRAM_TRAINING_ADDR, reg); /* 0x15B0 - Training Register */ + + reg = reg_read(REG_DRAM_TRAINING_2_ADDR); + reg |= ((1 << REG_DRAM_TRAINING_2_FIFO_RST_OFFS) + + (1 << REG_DRAM_TRAINING_2_SW_OVRD_OFFS)); + + /* [0] = 1 - Enable SW override, [4] = 1 - FIFO reset */ + /* 0x15B8 - Training SW 2 Register */ + reg_write(REG_DRAM_TRAINING_2_ADDR, reg); + + udelay(2); + + reg = reg_read(REG_DRAM_TRAINING_ADDR); + /* Clear Auto Read Leveling procedure */ + reg &= ~(1 << REG_DRAM_TRAINING_RL_OFFS); + reg_write(REG_DRAM_TRAINING_ADDR, reg); /* 0x15B0 - Training Register */ + + /* Return to target frequency */ + freq = dram_info->target_frequency; + tmp_ratio = 1; + if (MV_OK != ddr3_dfs_low_2_high(freq, tmp_ratio, dram_info)) { + DEBUG_MAIN_S("DDR3 Training Sequence - FAILED (Dfs Low2High)\n"); + return MV_DDR3_TRAINING_ERR_DFS_H2L; + } + + if (dram_info->ecc_ena) { + /* Scabbling the RL area pattern and the training area */ + mv_sys_xor_finish(); + dram_info->num_cs = 1; + dram_info->cs_ena = 1; + mv_sys_xor_init(dram_info); + mv_xor_mem_init(0, RESUME_RL_PATTERNS_ADDR, + RESUME_RL_PATTERNS_SIZE, 0xFFFFFFFF, 0xFFFFFFFF); + + /* Wait for previous transfer completion */ + + while (mv_xor_state_get(0) != MV_IDLE) + ; + + /* Return XOR State */ + mv_sys_xor_finish(); + } + + return MV_OK; +} +#endif + +void ddr3_print_freq(u32 freq) +{ + u32 tmp_freq; + + switch (freq) { + case 0: + tmp_freq = 100; + break; + case 1: + tmp_freq = 300; + break; + case 2: + tmp_freq = 360; + break; + case 3: + tmp_freq = 400; + break; + case 4: + tmp_freq = 444; + break; + case 5: + tmp_freq = 500; + break; + case 6: + tmp_freq = 533; + break; + case 7: + tmp_freq = 600; + break; + case 8: + tmp_freq = 666; + break; + case 9: + tmp_freq = 720; + break; + case 10: + tmp_freq = 800; + break; + default: + tmp_freq = 100; + } + + printf("Current frequency is: %dMHz\n", tmp_freq); +} + +int ddr3_get_min_max_read_sample_delay(u32 cs_enable, u32 reg, u32 *min, + u32 *max, u32 *cs_max) +{ + u32 cs, delay; + + *min = 0xFFFFFFFF; + *max = 0x0; + + for (cs = 0; cs < MAX_CS; cs++) { + if ((cs_enable & (1 << cs)) == 0) + continue; + + delay = ((reg >> (cs * 8)) & 0x1F); + + if (delay < *min) + *min = delay; + + if (delay > *max) { + *max = delay; + *cs_max = cs; + } + } + + return MV_OK; +} + +int ddr3_get_min_max_rl_phase(MV_DRAM_INFO *dram_info, u32 *min, u32 *max, + u32 cs) +{ + u32 pup, reg, phase; + + *min = 0xFFFFFFFF; + *max = 0x0; + + for (pup = 0; pup < dram_info->num_of_total_pups; pup++) { + reg = ddr3_read_pup_reg(PUP_RL_MODE, cs, pup); + phase = ((reg >> 8) & 0x7); + + if (phase < *min) + *min = phase; + + if (phase > *max) + *max = phase; + } + + return MV_OK; +} + +int ddr3_odt_activate(int activate) +{ + u32 reg, mask; + + mask = (1 << REG_DUNIT_ODT_CTRL_OVRD_OFFS) | + (1 << REG_DUNIT_ODT_CTRL_OVRD_VAL_OFFS); + /* {0x0000149C} - DDR Dunit ODT Control Register */ + reg = reg_read(REG_DUNIT_ODT_CTRL_ADDR); + if (activate) + reg |= mask; + else + reg &= ~mask; + + reg_write(REG_DUNIT_ODT_CTRL_ADDR, reg); + + return MV_OK; +} + +int ddr3_odt_read_dynamic_config(MV_DRAM_INFO *dram_info) +{ + u32 min_read_sample_delay, max_read_sample_delay, max_rl_phase; + u32 min, max, cs_max; + u32 cs_ena, reg; + + reg = reg_read(REG_READ_DATA_SAMPLE_DELAYS_ADDR); + cs_ena = ddr3_get_cs_ena_from_reg(); + + /* Get minimum and maximum of read sample delay of all CS */ + ddr3_get_min_max_read_sample_delay(cs_ena, reg, &min_read_sample_delay, + &max_read_sample_delay, &cs_max); + + /* + * Get minimum and maximum read leveling phase which belongs to the + * maximal read sample delay + */ + ddr3_get_min_max_rl_phase(dram_info, &min, &max, cs_max); + max_rl_phase = max; + + /* DDR ODT Timing (Low) Register calculation */ + reg = reg_read(REG_ODT_TIME_LOW_ADDR); + reg &= ~(0x1FF << REG_ODT_ON_CTL_RD_OFFS); + reg |= (((min_read_sample_delay - 1) & 0xF) << REG_ODT_ON_CTL_RD_OFFS); + reg |= (((max_read_sample_delay + 4 + (((max_rl_phase + 1) / 2) + 1)) & + 0x1F) << REG_ODT_OFF_CTL_RD_OFFS); + reg_write(REG_ODT_TIME_LOW_ADDR, reg); + + return MV_OK; +} diff --git a/drivers/ddr/mvebu/ddr3_hw_training.h b/drivers/ddr/mvebu/ddr3_hw_training.h new file mode 100644 index 0000000..cffa7c4 --- /dev/null +++ b/drivers/ddr/mvebu/ddr3_hw_training.h @@ -0,0 +1,392 @@ +/* + * Copyright (C) Marvell International Ltd. and its affiliates + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#ifndef __DDR3_TRAINING_H +#define __DDR3_TRAINING_H + +#include "ddr3_init.h" + +#ifdef MV88F78X60 +#include "ddr3_axp.h" +#elif defined(MV88F67XX) +#include "ddr3_a370.h" +#elif defined(MV88F672X) +#include "ddr3_a375.h" +#endif + +/* The following is a list of Marvell status */ +#define MV_ERROR (-1) +#define MV_OK (0x00) /* Operation succeeded */ +#define MV_FAIL (0x01) /* Operation failed */ +#define MV_BAD_VALUE (0x02) /* Illegal value (general) */ +#define MV_OUT_OF_RANGE (0x03) /* The value is out of range */ +#define MV_BAD_PARAM (0x04) /* Illegal parameter in function called */ +#define MV_BAD_PTR (0x05) /* Illegal pointer value */ +#define MV_BAD_SIZE (0x06) /* Illegal size */ +#define MV_BAD_STATE (0x07) /* Illegal state of state machine */ +#define MV_SET_ERROR (0x08) /* Set operation failed */ +#define MV_GET_ERROR (0x09) /* Get operation failed */ +#define MV_CREATE_ERROR (0x0A) /* Fail while creating an item */ +#define MV_NOT_FOUND (0x0B) /* Item not found */ +#define MV_NO_MORE (0x0C) /* No more items found */ +#define MV_NO_SUCH (0x0D) /* No such item */ +#define MV_TIMEOUT (0x0E) /* Time Out */ +#define MV_NO_CHANGE (0x0F) /* Parameter(s) is already in this value */ +#define MV_NOT_SUPPORTED (0x10) /* This request is not support */ +#define MV_NOT_IMPLEMENTED (0x11) /* Request supported but not implemented*/ +#define MV_NOT_INITIALIZED (0x12) /* The item is not initialized */ +#define MV_NO_RESOURCE (0x13) /* Resource not available (memory ...) */ +#define MV_FULL (0x14) /* Item is full (Queue or table etc...) */ +#define MV_EMPTY (0x15) /* Item is empty (Queue or table etc...) */ +#define MV_INIT_ERROR (0x16) /* Error occured while INIT process */ +#define MV_HW_ERROR (0x17) /* Hardware error */ +#define MV_TX_ERROR (0x18) /* Transmit operation not succeeded */ +#define MV_RX_ERROR (0x19) /* Recieve operation not succeeded */ +#define MV_NOT_READY (0x1A) /* The other side is not ready yet */ +#define MV_ALREADY_EXIST (0x1B) /* Tried to create existing item */ +#define MV_OUT_OF_CPU_MEM (0x1C) /* Cpu memory allocation failed. */ +#define MV_NOT_STARTED (0x1D) /* Not started yet */ +#define MV_BUSY (0x1E) /* Item is busy. */ +#define MV_TERMINATE (0x1F) /* Item terminates it's work. */ +#define MV_NOT_ALIGNED (0x20) /* Wrong alignment */ +#define MV_NOT_ALLOWED (0x21) /* Operation NOT allowed */ +#define MV_WRITE_PROTECT (0x22) /* Write protected */ + +#define MV_INVALID (int)(-1) + +/* + * Debug (Enable/Disable modules) and Error report + */ + +#ifdef BASIC_DEBUG +#define MV_DEBUG_WL +#define MV_DEBUG_RL +#define MV_DEBUG_DQS_RESULTS +#endif + +#ifdef FULL_DEBUG +#define MV_DEBUG_WL +#define MV_DEBUG_RL +#define MV_DEBUG_DQS + +#define MV_DEBUG_PBS +#define MV_DEBUG_DFS +#define MV_DEBUG_MAIN_FULL +#define MV_DEBUG_DFS_FULL +#define MV_DEBUG_DQS_FULL +#define MV_DEBUG_RL_FULL +#define MV_DEBUG_WL_FULL +#endif + +/* + * General Consts + */ + +#define SDRAM_READ_WRITE_LEN_IN_WORDS 16 +#define SDRAM_READ_WRITE_LEN_IN_DOUBLE_WORDS 8 +#define CACHE_LINE_SIZE 0x20 + +#define SDRAM_CS_BASE 0x0 + +#define SRAM_BASE 0x40000000 +#define SRAM_SIZE 0xFFF + +#define LEN_64BIT_STD_PATTERN 16 +#define LEN_64BIT_KILLER_PATTERN 128 +#define LEN_64BIT_SPECIAL_PATTERN 128 +#define LEN_64BIT_PBS_PATTERN 16 +#define LEN_WL_SUP_PATTERN 32 + +#define LEN_16BIT_STD_PATTERN 4 +#define LEN_16BIT_KILLER_PATTERN 128 +#define LEN_16BIT_SPECIAL_PATTERN 128 +#define LEN_16BIT_PBS_PATTERN 4 + +#define CMP_BYTE_SHIFT 8 +#define CMP_BYTE_MASK 0xFF +#define PUP_SIZE 8 + +#define S 0 +#define C 1 +#define P 2 +#define D 3 +#define DQS 6 +#define PS 2 +#define DS 3 +#define PE 4 +#define DE 5 + +#define CS0 0 +#define MAX_DIMM_NUM 2 +#define MAX_DELAY 0x1F + +/* + * Invertion limit and phase1 limit are WA for the RL @ 1:1 design bug - + * Armada 370 & AXP Z1 + */ +#define MAX_DELAY_INV_LIMIT 0x5 +#define MIN_DELAY_PHASE_1_LIMIT 0x10 + +#define MAX_DELAY_INV (0x3F - MAX_DELAY_INV_LIMIT) +#define MIN_DELAY 0 +#define MAX_PUP_NUM 9 +#define ECC_PUP 8 +#define DQ_NUM 8 +#define DQS_DQ_NUM 8 +#define INIT_WL_DELAY 13 +#define INIT_RL_DELAY 15 +#define TWLMRD_DELAY 20 +#define TCLK_3_DELAY 3 +#define ECC_BIT 8 +#define DMA_SIZE 64 +#define MV_DMA_0 0 +#define MAX_TRAINING_RETRY 10 + +#define PUP_RL_MODE 0x2 +#define PUP_WL_MODE 0 +#define PUP_PBS_TX 0x10 +#define PUP_PBS_TX_DM 0x1A +#define PUP_PBS_RX 0x30 +#define PUP_DQS_WR 0x1 +#define PUP_DQS_RD 0x3 +#define PUP_BC 10 +#define PUP_DELAY_MASK 0x1F +#define PUP_PHASE_MASK 0x7 +#define PUP_NUM_64BIT 8 +#define PUP_NUM_32BIT 4 +#define PUP_NUM_16BIT 2 + +/* control PHY registers */ +#define CNTRL_PUP_DESKEW 0x10 + +/* WL */ +#define COUNT_WL_HI_FREQ 2 +#define COUNT_WL 2 +#define COUNT_WL_RFRS 9 +#define WL_HI_FREQ_SHIFT 2 +#define WL_HI_FREQ_STATE 1 +#define COUNT_HW_WL 2 + +/* RL */ +/* + * RL_MODE - this define uses the RL mode SW RL instead of the functional + * window SW RL + */ +#define RL_MODE +#define RL_WINDOW_WA +#define MAX_PHASE_1TO1 2 +#define MAX_PHASE_2TO1 4 + +#define MAX_PHASE_RL_UL_1TO1 0 +#define MAX_PHASE_RL_L_1TO1 4 +#define MAX_PHASE_RL_UL_2TO1 3 +#define MAX_PHASE_RL_L_2TO1 7 + +#define RL_UNLOCK_STATE 0 +#define RL_WINDOW_STATE 1 +#define RL_FINAL_STATE 2 +#define RL_RETRY_COUNT 2 +#define COUNT_HW_RL 2 + +/* PBS */ +#define MAX_PBS 31 +#define MIN_PBS 0 +#define COUNT_PBS_PATTERN 2 +#define COUNT_PBS_STARTOVER 2 +#define COUNT_PBS_REPEAT 3 +#define COUNT_PBS_COMP_RETRY_NUM 2 +#define PBS_DIFF_LIMIT 31 +#define PATTERN_PBS_TX_A 0x55555555 +#define PATTERN_PBS_TX_B 0xAAAAAAAA + +/* DQS */ +#define ADLL_ERROR 0x55 +#define ADLL_MAX 31 +#define ADLL_MIN 0 +#define MIN_WIN_SIZE 4 +#define VALID_WIN_THRS MIN_WIN_SIZE + +#define MODE_2TO1 1 +#define MODE_1TO1 0 + +/* + * Macros + */ +#define IS_PUP_ACTIVE(_data_, _pup_) (((_data_) >> (_pup_)) & 0x1) + +/* + * Internal ERROR codes + */ +#define MV_DDR3_TRAINING_ERR_WR_LVL_HW 0xDD302001 +#define MV_DDR3_TRAINING_ERR_LOAD_PATTERNS 0xDD302002 +#define MV_DDR3_TRAINING_ERR_WR_LVL_HI_FREQ 0xDD302003 +#define MV_DDR3_TRAINING_ERR_DFS_H2L 0xDD302004 +#define MV_DDR3_TRAINING_ERR_DRAM_COMPARE 0xDD302005 +#define MV_DDR3_TRAINING_ERR_WIN_LIMITS 0xDD302006 +#define MV_DDR3_TRAINING_ERR_PUP_RANGE 0xDD302025 +#define MV_DDR3_TRAINING_ERR_DQS_LOW_LIMIT_SEARCH 0xDD302007 +#define MV_DDR3_TRAINING_ERR_DQS_HIGH_LIMIT_SEARCH 0xDD302008 +#define MV_DDR3_TRAINING_ERR_DQS_PATTERN 0xDD302009 +#define MV_DDR3_TRAINING_ERR_PBS_ADLL_SHR_1PHASE 0xDD302010 +#define MV_DDR3_TRAINING_ERR_PBS_TX_MAX_VAL 0xDD302011 +#define MV_DDR3_TRAINING_ERR_PBS_RX_PER_BIT 0xDD302012 +#define MV_DDR3_TRAINING_ERR_PBS_TX_PER_BIT 0xDD302013 +#define MV_DDR3_TRAINING_ERR_PBS_RX_MAX_VAL 0xDD302014 +#define MV_DDR3_TRAINING_ERR_PBS_SHIFT_QDS_SRAM_CMP 0xDD302015 +#define MV_DDR3_TRAINING_ERR_PBS_SHIFT_QDS_MAX_VAL 0xDD302016 +#define MV_DDR3_TRAINING_ERR_RD_LVL_RL_PATTERN 0xDD302017 +#define MV_DDR3_TRAINING_ERR_RD_LVL_RL_PUP_UNLOCK 0xDD302018 +#define MV_DDR3_TRAINING_ERR_RD_LVL_PUP_UNLOCK 0xDD302019 +#define MV_DDR3_TRAINING_ERR_WR_LVL_SW 0xDD302020 +#define MV_DDR3_TRAINING_ERR_PRBS_RX 0xDD302021 +#define MV_DDR3_TRAINING_ERR_DQS_RX 0xDD302022 +#define MV_DDR3_TRAINING_ERR_PRBS_TX 0xDD302023 +#define MV_DDR3_TRAINING_ERR_DQS_TX 0xDD302024 + +/* + * DRAM information structure + */ +typedef struct dram_info { + u32 num_cs; + u32 cs_ena; + u32 num_of_std_pups; /* Q value = ddrWidth/8 - Without ECC!! */ + u32 num_of_total_pups; /* numOfStdPups + eccEna */ + u32 target_frequency; /* DDR Frequency */ + u32 ddr_width; /* 32/64 Bit or 16/32 Bit */ + u32 ecc_ena; /* 0/1 */ + u32 wl_val[MAX_CS][MAX_PUP_NUM][7]; + u32 rl_val[MAX_CS][MAX_PUP_NUM][7]; + u32 rl_max_phase; + u32 rl_min_phase; + u32 wl_max_phase; + u32 wl_min_phase; + u32 rd_smpl_dly; + u32 rd_rdy_dly; + u32 cl; + u32 cwl; + u32 mode_2t; + int rl400_bug; + int multi_cs_mr_support; + int reg_dimm; +} MV_DRAM_INFO; + +enum training_modes { + DQS_WR_MODE, + WL_MODE_, + RL_MODE_, + DQS_RD_MODE, + PBS_TX_DM_MODE, + PBS_TX_MODE, + PBS_RX_MODE, + MAX_TRAINING_MODE, +}; + +typedef struct dram_training_init { + u32 reg_addr; + u32 reg_value; +} MV_DRAM_TRAINING_INIT; + +typedef struct dram_mv_init { + u32 reg_addr; + u32 reg_value; +} MV_DRAM_MC_INIT; + +/* Board/Soc revisions define */ +enum board_rev { + Z1, + Z1_PCAC, + Z1_RD_SLED, + A0, + A0_AMC +}; + +typedef struct dram_modes { + char *mode_name; + u8 cpu_freq; + u8 fab_freq; + u8 chip_id; + int chip_board_rev; + MV_DRAM_MC_INIT *regs; + MV_DRAM_TRAINING_INIT *vals; +} MV_DRAM_MODES; + +/* + * Function Declarations + */ + +u32 cache_inv(u32 addr); +void flush_l1_v7(u32 line); +void flush_l1_v6(u32 line); + +u32 ddr3_cl_to_valid_cl(u32 cl); +u32 ddr3_valid_cl_to_cl(u32 ui_valid_cl); + +void ddr3_write_pup_reg(u32 mode, u32 cs, u32 pup, u32 phase, u32 delay); +u32 ddr3_read_pup_reg(u32 mode, u32 cs, u32 pup); + +int ddr3_sdram_pbs_compare(MV_DRAM_INFO *dram_info, u32 pup_locked, int is_tx, + u32 pbs_pattern_idx, u32 pbs_curr_val, + u32 pbs_lock_val, u32 *skew_array, + u8 *unlock_pup_dq_array, u32 ecc); + +int ddr3_sdram_dqs_compare(MV_DRAM_INFO *dram_info, u32 unlock_pup, + u32 *new_locked_pup, u32 *pattern, + u32 pattern_len, u32 sdram_offset, int write, + int mask, u32 *mask_pattern, int b_special_compare); + +int ddr3_sdram_compare(MV_DRAM_INFO *dram_info, u32 unlock_pup, + u32 *new_locked_pup, u32 *pattern, u32 pattern_len, + u32 sdram_offset, int write, int mask, + u32 *mask_pattern, int b_special_compare); + +int ddr3_sdram_direct_compare(MV_DRAM_INFO *dram_info, u32 unlock_pup, + u32 *new_locked_pup, u32 *pattern, + u32 pattern_len, u32 sdram_offset, int write, + int mask, u32 *mask_pattern); + +int ddr3_sdram_dm_compare(MV_DRAM_INFO *dram_info, u32 unlock_pup, + u32 *new_locked_pup, u32 *pattern, + u32 sdram_offset); +int ddr3_dram_sram_read(u32 src, u32 dst, u32 len); +int ddr3_load_patterns(MV_DRAM_INFO *dram_info, int resume); + +int ddr3_read_leveling_hw(u32 freq, MV_DRAM_INFO *dram_info); +int ddr3_read_leveling_sw(u32 freq, int ratio_2to1, MV_DRAM_INFO *dram_info); + +int ddr3_write_leveling_hw(u32 freq, MV_DRAM_INFO *dram_info); +int ddr3_write_leveling_sw(u32 freq, int ratio_2to1, MV_DRAM_INFO *dram_info); +int ddr3_write_leveling_hw_reg_dimm(u32 freq, MV_DRAM_INFO *dram_info); +int ddr3_wl_supplement(MV_DRAM_INFO *dram_info); + +int ddr3_dfs_high_2_low(u32 freq, MV_DRAM_INFO *dram_info); +int ddr3_dfs_low_2_high(u32 freq, int ratio_2to1, MV_DRAM_INFO *dram_info); + +int ddr3_pbs_tx(MV_DRAM_INFO *dram_info); +int ddr3_pbs_rx(MV_DRAM_INFO *dram_info); +int ddr3_load_pbs_patterns(MV_DRAM_INFO *dram_info); + +int ddr3_dqs_centralization_rx(MV_DRAM_INFO *dram_info); +int ddr3_dqs_centralization_tx(MV_DRAM_INFO *dram_info); +int ddr3_load_dqs_patterns(MV_DRAM_INFO *dram_info); + +void ddr3_static_training_init(void); + +u8 ddr3_get_eprom_fabric(void); +void ddr3_set_performance_params(MV_DRAM_INFO *dram_info); +int ddr3_dram_sram_burst(u32 src, u32 dst, u32 len); +void ddr3_save_training(MV_DRAM_INFO *dram_info); +int ddr3_read_training_results(void); +int ddr3_training_suspend_resume(MV_DRAM_INFO *dram_info); +int ddr3_get_min_max_read_sample_delay(u32 cs_enable, u32 reg, u32 *min, + u32 *max, u32 *cs_max); +int ddr3_get_min_max_rl_phase(MV_DRAM_INFO *dram_info, u32 *min, u32 *max, + u32 cs); +int ddr3_odt_activate(int activate); +int ddr3_odt_read_dynamic_config(MV_DRAM_INFO *dram_info); +void ddr3_print_freq(u32 freq); +void ddr3_reset_phy_read_fifo(void); + +#endif /* __DDR3_TRAINING_H */ diff --git a/drivers/ddr/mvebu/ddr3_init.c b/drivers/ddr/mvebu/ddr3_init.c new file mode 100644 index 0000000..11b8591 --- /dev/null +++ b/drivers/ddr/mvebu/ddr3_init.c @@ -0,0 +1,1219 @@ +/* + * Copyright (C) Marvell International Ltd. and its affiliates + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#include <common.h> +#include <i2c.h> +#include <spl.h> +#include <asm/io.h> +#include <asm/arch/cpu.h> +#include <asm/arch/soc.h> + +#include "ddr3_init.h" + +#if defined(MV88F78X60) +#include "ddr3_axp_vars.h" +#elif defined(MV88F67XX) +#include "ddr3_a370_vars.h" +#elif defined(MV88F672X) +#include "ddr3_a375_vars.h" +#endif + +#ifdef STATIC_TRAINING +static void ddr3_static_training_init(void); +#endif +#ifdef DUNIT_STATIC +static void ddr3_static_mc_init(void); +#endif +#if defined(DUNIT_STATIC) || defined(STATIC_TRAINING) +MV_DRAM_MODES *ddr3_get_static_ddr_mode(void); +#endif +#if defined(MV88F672X) +void get_target_freq(u32 freq_mode, u32 *ddr_freq, u32 *hclk_ps); +#endif +u32 mv_board_id_get(void); +extern void ddr3_set_sw_wl_rl_debug(u32); +extern void ddr3_set_pbs(u32); +extern void ddr3_set_log_level(u32 val); + +static u32 log_level = DDR3_LOG_LEVEL; + +static u32 ddr3_init_main(void); + +/* + * Name: ddr3_set_log_level + * Desc: This routine initialize the log_level acording to nLogLevel + * which getting from user + * Args: nLogLevel + * Notes: + * Returns: None. + */ +void ddr3_set_log_level(u32 val) +{ + log_level = val; +} + +/* + * Name: ddr3_get_log_level + * Desc: This routine returns the log level + * Args: none + * Notes: + * Returns: log level. + */ +u32 ddr3_get_log_level(void) +{ + return log_level; +} + +static void debug_print_reg(u32 reg) +{ + printf("0x%08x = 0x%08x\n", reg, reg_read(reg)); +} + +static void print_dunit_setup(void) +{ + puts("\n########### LOG LEVEL 1 (D-UNIT SETUP)###########\n"); + +#ifdef DUNIT_STATIC + puts("\nStatic D-UNIT Setup:\n"); +#endif +#ifdef DUNIT_SPD + puts("\nDynamic(using SPD) D-UNIT Setup:\n"); +#endif + debug_print_reg(REG_SDRAM_CONFIG_ADDR); + debug_print_reg(REG_DUNIT_CTRL_LOW_ADDR); + debug_print_reg(REG_SDRAM_TIMING_LOW_ADDR); + debug_print_reg(REG_SDRAM_TIMING_HIGH_ADDR); + debug_print_reg(REG_SDRAM_ADDRESS_CTRL_ADDR); + debug_print_reg(REG_SDRAM_OPEN_PAGES_ADDR); + debug_print_reg(REG_SDRAM_OPERATION_ADDR); + debug_print_reg(REG_SDRAM_MODE_ADDR); + debug_print_reg(REG_SDRAM_EXT_MODE_ADDR); + debug_print_reg(REG_DDR_CONT_HIGH_ADDR); + debug_print_reg(REG_ODT_TIME_LOW_ADDR); + debug_print_reg(REG_SDRAM_ERROR_ADDR); + debug_print_reg(REG_SDRAM_AUTO_PWR_SAVE_ADDR); + debug_print_reg(REG_OUDDR3_TIMING_ADDR); + debug_print_reg(REG_ODT_TIME_HIGH_ADDR); + debug_print_reg(REG_SDRAM_ODT_CTRL_LOW_ADDR); + debug_print_reg(REG_SDRAM_ODT_CTRL_HIGH_ADDR); + debug_print_reg(REG_DUNIT_ODT_CTRL_ADDR); +#ifndef MV88F67XX + debug_print_reg(REG_DRAM_FIFO_CTRL_ADDR); + debug_print_reg(REG_DRAM_AXI_CTRL_ADDR); + debug_print_reg(REG_DRAM_ADDR_CTRL_DRIVE_STRENGTH_ADDR); + debug_print_reg(REG_DRAM_DATA_DQS_DRIVE_STRENGTH_ADDR); + debug_print_reg(REG_DRAM_VER_CAL_MACHINE_CTRL_ADDR); + debug_print_reg(REG_DRAM_MAIN_PADS_CAL_ADDR); + debug_print_reg(REG_DRAM_HOR_CAL_MACHINE_CTRL_ADDR); + debug_print_reg(REG_CS_SIZE_SCRATCH_ADDR); + debug_print_reg(REG_DYNAMIC_POWER_SAVE_ADDR); + debug_print_reg(REG_READ_DATA_SAMPLE_DELAYS_ADDR); + debug_print_reg(REG_READ_DATA_READY_DELAYS_ADDR); + debug_print_reg(REG_DDR3_MR0_ADDR); + debug_print_reg(REG_DDR3_MR1_ADDR); + debug_print_reg(REG_DDR3_MR2_ADDR); + debug_print_reg(REG_DDR3_MR3_ADDR); + debug_print_reg(REG_DDR3_RANK_CTRL_ADDR); + debug_print_reg(REG_DRAM_PHY_CONFIG_ADDR); + debug_print_reg(REG_STATIC_DRAM_DLB_CONTROL); + debug_print_reg(DLB_BUS_OPTIMIZATION_WEIGHTS_REG); + debug_print_reg(DLB_AGING_REGISTER); + debug_print_reg(DLB_EVICTION_CONTROL_REG); + debug_print_reg(DLB_EVICTION_TIMERS_REGISTER_REG); +#if defined(MV88F672X) + debug_print_reg(REG_FASTPATH_WIN_CTRL_ADDR(0)); + debug_print_reg(REG_FASTPATH_WIN_BASE_ADDR(0)); + debug_print_reg(REG_FASTPATH_WIN_CTRL_ADDR(1)); + debug_print_reg(REG_FASTPATH_WIN_BASE_ADDR(1)); +#else + debug_print_reg(REG_FASTPATH_WIN_0_CTRL_ADDR); +#endif + debug_print_reg(REG_CDI_CONFIG_ADDR); +#endif +} + +#if !defined(STATIC_TRAINING) +static void ddr3_restore_and_set_final_windows(u32 *win_backup) +{ + u32 ui, reg, cs; + u32 win_ctrl_reg, num_of_win_regs; + u32 cs_ena = ddr3_get_cs_ena_from_reg(); + +#if defined(MV88F672X) + if (DDR3_FAST_PATH_EN == 0) + return; +#endif + +#if defined(MV88F672X) + win_ctrl_reg = REG_XBAR_WIN_16_CTRL_ADDR; + num_of_win_regs = 8; +#else + win_ctrl_reg = REG_XBAR_WIN_4_CTRL_ADDR; + num_of_win_regs = 16; +#endif + + /* Return XBAR windows 4-7 or 16-19 init configuration */ + for (ui = 0; ui < num_of_win_regs; ui++) + reg_write((win_ctrl_reg + 0x4 * ui), win_backup[ui]); + + DEBUG_INIT_FULL_S("DDR3 Training Sequence - Switching XBAR Window to FastPath Window\n"); + +#if defined(MV88F672X) + /* Set L2 filtering to 1G */ + reg_write(0x8c04, 0x40000000); + + /* Open fast path windows */ + for (cs = 0; cs < MAX_CS; cs++) { + if (cs_ena & (1 << cs)) { + /* set fast path window control for the cs */ + reg = 0x1FFFFFE1; + reg |= (cs << 2); + reg |= (SDRAM_CS_SIZE & 0xFFFF0000); + /* Open fast path Window */ + reg_write(REG_FASTPATH_WIN_CTRL_ADDR(cs), reg); + /* set fast path window base address for the cs */ + reg = (((SDRAM_CS_SIZE + 1) * cs) & 0xFFFF0000); + /* Set base address */ + reg_write(REG_FASTPATH_WIN_BASE_ADDR(cs), reg); + } + } +#else + reg = 0x1FFFFFE1; + for (cs = 0; cs < MAX_CS; cs++) { + if (cs_ena & (1 << cs)) { + reg |= (cs << 2); + break; + } + } + + /* Open fast path Window to - 0.5G */ + reg_write(REG_FASTPATH_WIN_0_CTRL_ADDR, reg); +#endif +} + +static void ddr3_save_and_set_training_windows(u32 *win_backup) +{ + u32 cs_ena = ddr3_get_cs_ena_from_reg(); + u32 reg, tmp_count, cs, ui; + u32 win_ctrl_reg, win_base_reg, win_remap_reg; + u32 num_of_win_regs, win_jump_index; + +#if defined(MV88F672X) + /* Disable L2 filtering */ + reg_write(0x8c04, 0); + + win_ctrl_reg = REG_XBAR_WIN_16_CTRL_ADDR; + win_base_reg = REG_XBAR_WIN_16_BASE_ADDR; + win_remap_reg = REG_XBAR_WIN_16_REMAP_ADDR; + win_jump_index = 0x8; + num_of_win_regs = 8; +#else + win_ctrl_reg = REG_XBAR_WIN_4_CTRL_ADDR; + win_base_reg = REG_XBAR_WIN_4_BASE_ADDR; + win_remap_reg = REG_XBAR_WIN_4_REMAP_ADDR; + win_jump_index = 0x10; + num_of_win_regs = 16; +#endif + + /* Close XBAR Window 19 - Not needed */ + /* {0x000200e8} - Open Mbus Window - 2G */ + reg_write(REG_XBAR_WIN_19_CTRL_ADDR, 0); + + /* Save XBAR Windows 4-19 init configurations */ + for (ui = 0; ui < num_of_win_regs; ui++) + win_backup[ui] = reg_read(win_ctrl_reg + 0x4 * ui); + + /* Open XBAR Windows 4-7 or 16-19 for other CS */ + reg = 0; + tmp_count = 0; + for (cs = 0; cs < MAX_CS; cs++) { + if (cs_ena & (1 << cs)) { + switch (cs) { + case 0: + reg = 0x0E00; + break; + case 1: + reg = 0x0D00; + break; + case 2: + reg = 0x0B00; + break; + case 3: + reg = 0x0700; + break; + } + reg |= (1 << 0); + reg |= (SDRAM_CS_SIZE & 0xFFFF0000); + + reg_write(win_ctrl_reg + win_jump_index * tmp_count, + reg); + reg = ((SDRAM_CS_SIZE + 1) * (tmp_count)) & 0xFFFF0000; + reg_write(win_base_reg + win_jump_index * tmp_count, + reg); + + if (win_remap_reg <= REG_XBAR_WIN_7_REMAP_ADDR) { + reg_write(win_remap_reg + + win_jump_index * tmp_count, 0); + } + + tmp_count++; + } + } +} +#endif /* !defined(STATIC_TRAINING) */ + +/* + * Name: ddr3_init - Main DDR3 Init function + * Desc: This routine initialize the DDR3 MC and runs HW training. + * Args: None. + * Notes: + * Returns: None. + */ +int ddr3_init(void) +{ + unsigned int status; + + ddr3_set_pbs(DDR3_PBS); + ddr3_set_sw_wl_rl_debug(DDR3_RUN_SW_WHEN_HW_FAIL); + + status = ddr3_init_main(); + if (status == MV_DDR3_TRAINING_ERR_BAD_SAR) + DEBUG_INIT_S("DDR3 Training Error: Bad sample at reset"); + if (status == MV_DDR3_TRAINING_ERR_BAD_DIMM_SETUP) + DEBUG_INIT_S("DDR3 Training Error: Bad DIMM setup"); + if (status == MV_DDR3_TRAINING_ERR_MAX_CS_LIMIT) + DEBUG_INIT_S("DDR3 Training Error: Max CS limit"); + if (status == MV_DDR3_TRAINING_ERR_MAX_ENA_CS_LIMIT) + DEBUG_INIT_S("DDR3 Training Error: Max enable CS limit"); + if (status == MV_DDR3_TRAINING_ERR_BAD_R_DIMM_SETUP) + DEBUG_INIT_S("DDR3 Training Error: Bad R-DIMM setup"); + if (status == MV_DDR3_TRAINING_ERR_TWSI_FAIL) + DEBUG_INIT_S("DDR3 Training Error: TWSI failure"); + if (status == MV_DDR3_TRAINING_ERR_DIMM_TYPE_NO_MATCH) + DEBUG_INIT_S("DDR3 Training Error: DIMM type no match"); + if (status == MV_DDR3_TRAINING_ERR_TWSI_BAD_TYPE) + DEBUG_INIT_S("DDR3 Training Error: TWSI bad type"); + if (status == MV_DDR3_TRAINING_ERR_BUS_WIDTH_NOT_MATCH) + DEBUG_INIT_S("DDR3 Training Error: bus width no match"); + if (status > MV_DDR3_TRAINING_ERR_HW_FAIL_BASE) + DEBUG_INIT_C("DDR3 Training Error: HW Failure 0x", status, 8); + + return status; +} + +static void print_ddr_target_freq(u32 cpu_freq, u32 fab_opt) +{ + puts("\nDDR3 Training Sequence - Run DDR3 at "); + + switch (cpu_freq) { +#if defined(MV88F672X) + case 21: + puts("533 Mhz\n"); + break; +#else + case 1: + puts("533 Mhz\n"); + break; + case 2: + if (fab_opt == 5) + puts("600 Mhz\n"); + if (fab_opt == 9) + puts("400 Mhz\n"); + break; + case 3: + puts("667 Mhz\n"); + break; + case 4: + if (fab_opt == 5) + puts("750 Mhz\n"); + if (fab_opt == 9) + puts("500 Mhz\n"); + break; + case 0xa: + puts("400 Mhz\n"); + break; + case 0xb: + if (fab_opt == 5) + puts("800 Mhz\n"); + if (fab_opt == 9) + puts("553 Mhz\n"); + if (fab_opt == 0xA) + puts("640 Mhz\n"); + break; +#endif + default: + puts("NOT DEFINED FREQ\n"); + } +} + +static u32 ddr3_init_main(void) +{ + u32 target_freq; + u32 reg = 0; + u32 cpu_freq, fab_opt, hclk_time_ps, soc_num; + __maybe_unused u32 ecc = DRAM_ECC; + __maybe_unused int dqs_clk_aligned = 0; + __maybe_unused u32 scrub_offs, scrub_size; + __maybe_unused u32 ddr_width = BUS_WIDTH; + __maybe_unused int status; + __maybe_unused u32 win_backup[16]; + + /* SoC/Board special Initializtions */ + fab_opt = ddr3_get_fab_opt(); + +#ifdef CONFIG_SPD_EEPROM + i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); +#endif + + ddr3_print_version(); + DEBUG_INIT_S("4\n"); + /* Lib version 5.5.4 */ + + fab_opt = ddr3_get_fab_opt(); + + /* Switching CPU to MRVL ID */ + soc_num = (reg_read(REG_SAMPLE_RESET_HIGH_ADDR) & SAR1_CPU_CORE_MASK) >> + SAR1_CPU_CORE_OFFSET; + switch (soc_num) { + case 0x3: + reg_bit_set(CPU_CONFIGURATION_REG(3), CPU_MRVL_ID_OFFSET); + reg_bit_set(CPU_CONFIGURATION_REG(2), CPU_MRVL_ID_OFFSET); + case 0x1: + reg_bit_set(CPU_CONFIGURATION_REG(1), CPU_MRVL_ID_OFFSET); + case 0x0: + reg_bit_set(CPU_CONFIGURATION_REG(0), CPU_MRVL_ID_OFFSET); + default: + break; + } + + /* Power down deskew PLL */ +#if !defined(MV88F672X) + /* 0x18780 [25] */ + reg = (reg_read(REG_DDRPHY_APLL_CTRL_ADDR) & ~(1 << 25)); + reg_write(REG_DDRPHY_APLL_CTRL_ADDR, reg); +#endif + + /* + * Stage 0 - Set board configuration + */ + cpu_freq = ddr3_get_cpu_freq(); + if (fab_opt > FAB_OPT) + fab_opt = FAB_OPT - 1; + + if (ddr3_get_log_level() > 0) + print_ddr_target_freq(cpu_freq, fab_opt); + +#if defined(MV88F672X) + get_target_freq(cpu_freq, &target_freq, &hclk_time_ps); +#else + target_freq = cpu_ddr_ratios[fab_opt][cpu_freq]; + hclk_time_ps = cpu_fab_clk_to_hclk[fab_opt][cpu_freq]; +#endif + if ((target_freq == 0) || (hclk_time_ps == 0)) { + DEBUG_INIT_S("DDR3 Training Sequence - FAILED - Wrong Sample at Reset Configurations\n"); + if (target_freq == 0) { + DEBUG_INIT_C("target_freq", target_freq, 2); + DEBUG_INIT_C("fab_opt", fab_opt, 2); + DEBUG_INIT_C("cpu_freq", cpu_freq, 2); + } else if (hclk_time_ps == 0) { + DEBUG_INIT_C("hclk_time_ps", hclk_time_ps, 2); + DEBUG_INIT_C("fab_opt", fab_opt, 2); + DEBUG_INIT_C("cpu_freq", cpu_freq, 2); + } + + return MV_DDR3_TRAINING_ERR_BAD_SAR; + } + +#if defined(ECC_SUPPORT) + scrub_offs = U_BOOT_START_ADDR; + scrub_size = U_BOOT_SCRUB_SIZE; +#else + scrub_offs = 0; + scrub_size = 0; +#endif + +#if defined(ECC_SUPPORT) && defined(AUTO_DETECTION_SUPPORT) + ecc = DRAM_ECC; +#endif + +#if defined(ECC_SUPPORT) && defined(AUTO_DETECTION_SUPPORT) + ecc = 0; + if (ddr3_check_config(BUS_WIDTH_ECC_TWSI_ADDR, CONFIG_ECC)) + ecc = 1; +#endif + +#ifdef DQS_CLK_ALIGNED + dqs_clk_aligned = 1; +#endif + + /* Check if DRAM is already initialized */ + if (reg_read(REG_BOOTROM_ROUTINE_ADDR) & + (1 << REG_BOOTROM_ROUTINE_DRAM_INIT_OFFS)) { + DEBUG_INIT_S("DDR3 Training Sequence - 2nd boot - Skip\n"); + return MV_OK; + } + + /* + * Stage 1 - Dunit Setup + */ + +#ifdef DUNIT_STATIC + /* + * For Static D-Unit Setup use must set the correct static values + * at the ddr3_*soc*_vars.h file + */ + DEBUG_INIT_FULL_S("DDR3 Training Sequence - Static MC Init\n"); + ddr3_static_mc_init(); + +#ifdef ECC_SUPPORT + ecc = DRAM_ECC; + if (ecc) { + reg = reg_read(REG_SDRAM_CONFIG_ADDR); + reg |= (1 << REG_SDRAM_CONFIG_ECC_OFFS); + reg_write(REG_SDRAM_CONFIG_ADDR, reg); + } +#endif +#endif + +#if defined(MV88F78X60) || defined(MV88F672X) +#if defined(AUTO_DETECTION_SUPPORT) + /* + * Configurations for both static and dynamic MC setups + * + * Dynamically Set 32Bit and ECC for AXP (Relevant only for + * Marvell DB boards) + */ + if (ddr3_check_config(BUS_WIDTH_ECC_TWSI_ADDR, CONFIG_BUS_WIDTH)) { + ddr_width = 32; + DEBUG_INIT_S("DDR3 Training Sequence - DRAM bus width 32Bit\n"); + } +#endif + +#if defined(MV88F672X) + reg = reg_read(REG_SDRAM_CONFIG_ADDR); + if ((reg >> 15) & 1) + ddr_width = 32; + else + ddr_width = 16; +#endif +#endif + +#ifdef DUNIT_SPD + status = ddr3_dunit_setup(ecc, hclk_time_ps, &ddr_width); + if (MV_OK != status) { + DEBUG_INIT_S("DDR3 Training Sequence - FAILED (ddr3 Dunit Setup)\n"); + return status; + } +#endif + + /* Fix read ready phases for all SOC in reg 0x15C8 */ + reg = reg_read(REG_TRAINING_DEBUG_3_ADDR); + reg &= ~(REG_TRAINING_DEBUG_3_MASK); + reg |= 0x4; /* Phase 0 */ + reg &= ~(REG_TRAINING_DEBUG_3_MASK << REG_TRAINING_DEBUG_3_OFFS); + reg |= (0x4 << (1 * REG_TRAINING_DEBUG_3_OFFS)); /* Phase 1 */ + reg &= ~(REG_TRAINING_DEBUG_3_MASK << (3 * REG_TRAINING_DEBUG_3_OFFS)); + reg |= (0x6 << (3 * REG_TRAINING_DEBUG_3_OFFS)); /* Phase 3 */ + reg &= ~(REG_TRAINING_DEBUG_3_MASK << (4 * REG_TRAINING_DEBUG_3_OFFS)); + reg |= (0x6 << (4 * REG_TRAINING_DEBUG_3_OFFS)); + reg &= ~(REG_TRAINING_DEBUG_3_MASK << (5 * REG_TRAINING_DEBUG_3_OFFS)); + reg |= (0x6 << (5 * REG_TRAINING_DEBUG_3_OFFS)); + reg_write(REG_TRAINING_DEBUG_3_ADDR, reg); + +#if defined(MV88F672X) + /* + * AxiBrespMode[8] = Compliant, + * AxiAddrDecodeCntrl[11] = Internal, + * AxiDataBusWidth[0] = 128bit + */ + /* 0x14A8 - AXI Control Register */ + reg_write(REG_DRAM_AXI_CTRL_ADDR, 0); +#else + /* 0x14A8 - AXI Control Register */ + reg_write(REG_DRAM_AXI_CTRL_ADDR, 0x00000100); + reg_write(REG_CDI_CONFIG_ADDR, 0x00000006); + + if ((ddr_width == 64) && (reg_read(REG_DDR_IO_ADDR) & + (1 << REG_DDR_IO_CLK_RATIO_OFFS))) { + /* 0x14A8 - AXI Control Register */ + reg_write(REG_DRAM_AXI_CTRL_ADDR, 0x00000101); + reg_write(REG_CDI_CONFIG_ADDR, 0x00000007); + } +#endif + +#if !defined(MV88F67XX) + /* + * ARMADA-370 activate DLB later at the u-boot, + * Armada38x - No DLB activation at this time + */ + reg_write(DLB_BUS_OPTIMIZATION_WEIGHTS_REG, 0x18C01E); + +#if defined(MV88F78X60) + /* WA according to eratta GL-8672902*/ + if (mv_ctrl_rev_get() == MV_78XX0_B0_REV) + reg_write(DLB_BUS_OPTIMIZATION_WEIGHTS_REG, 0xc19e); +#endif + + reg_write(DLB_AGING_REGISTER, 0x0f7f007f); + reg_write(DLB_EVICTION_CONTROL_REG, 0x0); + reg_write(DLB_EVICTION_TIMERS_REGISTER_REG, 0x00FF3C1F); + + reg_write(MBUS_UNITS_PRIORITY_CONTROL_REG, 0x55555555); + reg_write(FABRIC_UNITS_PRIORITY_CONTROL_REG, 0xAA); + reg_write(MBUS_UNITS_PREFETCH_CONTROL_REG, 0xffff); + reg_write(FABRIC_UNITS_PREFETCH_CONTROL_REG, 0xf0f); + +#if defined(MV88F78X60) + /* WA according to eratta GL-8672902 */ + if (mv_ctrl_rev_get() == MV_78XX0_B0_REV) { + reg = reg_read(REG_STATIC_DRAM_DLB_CONTROL); + reg |= DLB_ENABLE; + reg_write(REG_STATIC_DRAM_DLB_CONTROL, reg); + } +#endif /* end defined(MV88F78X60) */ +#endif /* end !defined(MV88F67XX) */ + + if (ddr3_get_log_level() >= MV_LOG_LEVEL_1) + print_dunit_setup(); + + /* + * Stage 2 - Training Values Setup + */ +#ifdef STATIC_TRAINING + /* + * DRAM Init - After all the D-unit values are set, its time to init + * the D-unit + */ + /* Wait for '0' */ + reg_write(REG_SDRAM_INIT_CTRL_ADDR, 0x1); + do { + reg = (reg_read(REG_SDRAM_INIT_CTRL_ADDR)) & + (1 << REG_SDRAM_INIT_CTRL_OFFS); + } while (reg); + + /* ddr3 init using static parameters - HW training is disabled */ + DEBUG_INIT_FULL_S("DDR3 Training Sequence - Static Training Parameters\n"); + ddr3_static_training_init(); + +#if defined(MV88F78X60) + /* + * If ECC is enabled, need to scrub the U-Boot area memory region - + * Run training function with Xor bypass just to scrub the memory + */ + status = ddr3_hw_training(target_freq, ddr_width, + 1, scrub_offs, scrub_size, + dqs_clk_aligned, DDR3_TRAINING_DEBUG, + REG_DIMM_SKIP_WL); + if (MV_OK != status) { + DEBUG_INIT_FULL_S("DDR3 Training Sequence - FAILED\n"); + return status; + } +#endif +#else + /* Set X-BAR windows for the training sequence */ + ddr3_save_and_set_training_windows(win_backup); + + /* Run DDR3 Training Sequence */ + /* DRAM Init */ + reg_write(REG_SDRAM_INIT_CTRL_ADDR, 0x1); + do { + reg = (reg_read(REG_SDRAM_INIT_CTRL_ADDR)) & + (1 << REG_SDRAM_INIT_CTRL_OFFS); + } while (reg); /* Wait for '0' */ + + /* ddr3 init using DDR3 HW training procedure */ + DEBUG_INIT_FULL_S("DDR3 Training Sequence - HW Training Procedure\n"); + status = ddr3_hw_training(target_freq, ddr_width, + 0, scrub_offs, scrub_size, + dqs_clk_aligned, DDR3_TRAINING_DEBUG, + REG_DIMM_SKIP_WL); + if (MV_OK != status) { + DEBUG_INIT_FULL_S("DDR3 Training Sequence - FAILED\n"); + return status; + } +#endif + + /* + * Stage 3 - Finish + */ +#if defined(MV88F78X60) || defined(MV88F672X) + /* Disable ECC Ignore bit */ + reg = reg_read(REG_SDRAM_CONFIG_ADDR) & + ~(1 << REG_SDRAM_CONFIG_IERR_OFFS); + reg_write(REG_SDRAM_CONFIG_ADDR, reg); +#endif + +#if !defined(STATIC_TRAINING) + /* Restore and set windows */ + ddr3_restore_and_set_final_windows(win_backup); +#endif + + /* Update DRAM init indication in bootROM register */ + reg = reg_read(REG_BOOTROM_ROUTINE_ADDR); + reg_write(REG_BOOTROM_ROUTINE_ADDR, + reg | (1 << REG_BOOTROM_ROUTINE_DRAM_INIT_OFFS)); + +#if !defined(MV88F67XX) +#if defined(MV88F78X60) + if (mv_ctrl_rev_get() == MV_78XX0_B0_REV) { + reg = reg_read(REG_SDRAM_CONFIG_ADDR); + if (ecc == 0) + reg_write(REG_SDRAM_CONFIG_ADDR, reg | (1 << 19)); + } +#endif /* end defined(MV88F78X60) */ + + reg_write(DLB_EVICTION_CONTROL_REG, 0x9); + + reg = reg_read(REG_STATIC_DRAM_DLB_CONTROL); + reg |= (DLB_ENABLE | DLB_WRITE_COALESING | DLB_AXI_PREFETCH_EN | + DLB_MBUS_PREFETCH_EN | PREFETCH_NLNSZTR); + reg_write(REG_STATIC_DRAM_DLB_CONTROL, reg); +#endif /* end !defined(MV88F67XX) */ + +#ifdef STATIC_TRAINING + DEBUG_INIT_S("DDR3 Training Sequence - Ended Successfully (S)\n"); +#else + DEBUG_INIT_S("DDR3 Training Sequence - Ended Successfully\n"); +#endif + + return MV_OK; +} + +/* + * Name: ddr3_get_cpu_freq + * Desc: read S@R and return CPU frequency + * Args: + * Notes: + * Returns: required value + */ + +u32 ddr3_get_cpu_freq(void) +{ + u32 reg, cpu_freq; + +#if defined(MV88F672X) + /* Read sample at reset setting */ + reg = reg_read(REG_SAMPLE_RESET_HIGH_ADDR); /* 0xE8200 */ + cpu_freq = (reg & REG_SAMPLE_RESET_CPU_FREQ_MASK) >> + REG_SAMPLE_RESET_CPU_FREQ_OFFS; +#else + /* Read sample at reset setting */ + reg = reg_read(REG_SAMPLE_RESET_LOW_ADDR); /* 0x18230 [23:21] */ +#if defined(MV88F78X60) + cpu_freq = (reg & REG_SAMPLE_RESET_CPU_FREQ_MASK) >> + REG_SAMPLE_RESET_CPU_FREQ_OFFS; + reg = reg_read(REG_SAMPLE_RESET_HIGH_ADDR); /* 0x18234 [20] */ + cpu_freq |= (((reg >> REG_SAMPLE_RESET_HIGH_CPU_FREQ_OFFS) & 0x1) << 3); +#elif defined(MV88F67XX) + cpu_freq = (reg & REG_SAMPLE_RESET_CPU_FREQ_MASK) >> + REG_SAMPLE_RESET_CPU_FREQ_OFFS; +#endif +#endif + + return cpu_freq; +} + +/* + * Name: ddr3_get_fab_opt + * Desc: read S@R and return CPU frequency + * Args: + * Notes: + * Returns: required value + */ +u32 ddr3_get_fab_opt(void) +{ + __maybe_unused u32 reg, fab_opt; + +#if defined(MV88F672X) + return 0; /* No fabric */ +#else + /* Read sample at reset setting */ + reg = reg_read(REG_SAMPLE_RESET_LOW_ADDR); + fab_opt = (reg & REG_SAMPLE_RESET_FAB_MASK) >> + REG_SAMPLE_RESET_FAB_OFFS; + +#if defined(MV88F78X60) + reg = reg_read(REG_SAMPLE_RESET_HIGH_ADDR); + fab_opt |= (((reg >> 19) & 0x1) << 4); +#endif + + return fab_opt; +#endif +} + +/* + * Name: ddr3_get_vco_freq + * Desc: read S@R and return VCO frequency + * Args: + * Notes: + * Returns: required value + */ +u32 ddr3_get_vco_freq(void) +{ + u32 fab, cpu_freq, ui_vco_freq; + + fab = ddr3_get_fab_opt(); + cpu_freq = ddr3_get_cpu_freq(); + + if (fab == 2 || fab == 3 || fab == 7 || fab == 8 || fab == 10 || + fab == 15 || fab == 17 || fab == 20) + ui_vco_freq = cpu_freq + CLK_CPU; + else + ui_vco_freq = cpu_freq; + + return ui_vco_freq; +} + +#ifdef STATIC_TRAINING +/* + * Name: ddr3_static_training_init - Init DDR3 Training with + * static parameters + * Desc: Use this routine to init the controller without the HW training + * procedure + * User must provide compatible header file with registers data. + * Args: None. + * Notes: + * Returns: None. + */ +void ddr3_static_training_init(void) +{ + MV_DRAM_MODES *ddr_mode; + u32 reg; + int j; + + ddr_mode = ddr3_get_static_ddr_mode(); + + j = 0; + while (ddr_mode->vals[j].reg_addr != 0) { + udelay(10); /* haim want to delay each write */ + reg_write(ddr_mode->vals[j].reg_addr, + ddr_mode->vals[j].reg_value); + + if (ddr_mode->vals[j].reg_addr == + REG_PHY_REGISTRY_FILE_ACCESS_ADDR) + do { + reg = reg_read(REG_PHY_REGISTRY_FILE_ACCESS_ADDR) & + REG_PHY_REGISTRY_FILE_ACCESS_OP_DONE; + } while (reg); + j++; + } +} +#endif + +/* + * Name: ddr3_get_static_mc_value - Init Memory controller with static + * parameters + * Desc: Use this routine to init the controller without the HW training + * procedure + * User must provide compatible header file with registers data. + * Args: None. + * Notes: + * Returns: None. + */ +u32 ddr3_get_static_mc_value(u32 reg_addr, u32 offset1, u32 mask1, u32 offset2, + u32 mask2) +{ + u32 reg, tmp; + + reg = reg_read(reg_addr); + + tmp = (reg >> offset1) & mask1; + if (mask2) + tmp |= (reg >> offset2) & mask2; + + return tmp; +} + +/* + * Name: ddr3_get_static_ddr_mode - Init Memory controller with static + * parameters + * Desc: Use this routine to init the controller without the HW training + * procedure + * User must provide compatible header file with registers data. + * Args: None. + * Notes: + * Returns: None. + */ +__weak MV_DRAM_MODES *ddr3_get_static_ddr_mode(void) +{ + u32 chip_board_rev, i; + u32 size; + + /* Do not modify this code. relevant only for marvell Boards */ +#if defined(DB_78X60_PCAC) + chip_board_rev = Z1_PCAC; +#elif defined(DB_78X60_AMC) + chip_board_rev = A0_AMC; +#elif defined(DB_88F6710_PCAC) + chip_board_rev = A0_PCAC; +#elif defined(RD_88F6710) + chip_board_rev = A0_RD; +#elif defined(MV88F672X) + chip_board_rev = mv_board_id_get(); +#else + chip_board_rev = A0; +#endif + + size = sizeof(ddr_modes) / sizeof(MV_DRAM_MODES); + for (i = 0; i < size; i++) { + if ((ddr3_get_cpu_freq() == ddr_modes[i].cpu_freq) && + (ddr3_get_fab_opt() == ddr_modes[i].fab_freq) && + (chip_board_rev == ddr_modes[i].chip_board_rev)) + return &ddr_modes[i]; + } + + return &ddr_modes[0]; +} + +#ifdef DUNIT_STATIC +/* + * Name: ddr3_static_mc_init - Init Memory controller with static parameters + * Desc: Use this routine to init the controller without the HW training + * procedure + * User must provide compatible header file with registers data. + * Args: None. + * Notes: + * Returns: None. + */ +void ddr3_static_mc_init(void) +{ + MV_DRAM_MODES *ddr_mode; + u32 reg; + int j; + + ddr_mode = ddr3_get_static_ddr_mode(); + j = 0; + while (ddr_mode->regs[j].reg_addr != 0) { + reg_write(ddr_mode->regs[j].reg_addr, + ddr_mode->regs[j].reg_value); + if (ddr_mode->regs[j].reg_addr == + REG_PHY_REGISTRY_FILE_ACCESS_ADDR) + do { + reg = reg_read(REG_PHY_REGISTRY_FILE_ACCESS_ADDR) & + REG_PHY_REGISTRY_FILE_ACCESS_OP_DONE; + } while (reg); + j++; + } +} +#endif + +/* + * Name: ddr3_check_config - Check user configurations: ECC/MultiCS + * Desc: + * Args: twsi Address + * Notes: Only Available for ArmadaXP/Armada 370 DB boards + * Returns: None. + */ +int ddr3_check_config(u32 twsi_addr, MV_CONFIG_TYPE config_type) +{ +#ifdef AUTO_DETECTION_SUPPORT + u8 data = 0; + int ret; + int offset; + + if ((config_type == CONFIG_ECC) || (config_type == CONFIG_BUS_WIDTH)) + offset = 1; + else + offset = 0; + + ret = i2c_read(twsi_addr, offset, 1, (u8 *)&data, 1); + if (!ret) { + switch (config_type) { + case CONFIG_ECC: + if (data & 0x2) + return 1; + break; + case CONFIG_BUS_WIDTH: + if (data & 0x1) + return 1; + break; +#ifdef DB_88F6710 + case CONFIG_MULTI_CS: + if (CFG_MULTI_CS_MODE(data)) + return 1; + break; +#else + case CONFIG_MULTI_CS: + break; +#endif + } + } +#endif + + return 0; +} + +#if defined(DB_88F78X60_REV2) +/* + * Name: ddr3_get_eprom_fabric - Get Fabric configuration from EPROM + * Desc: + * Args: twsi Address + * Notes: Only Available for ArmadaXP DB Rev2 boards + * Returns: None. + */ +u8 ddr3_get_eprom_fabric(void) +{ +#ifdef AUTO_DETECTION_SUPPORT + u8 data = 0; + int ret; + + ret = i2c_read(NEW_FABRIC_TWSI_ADDR, 1, 1, (u8 *)&data, 1); + if (!ret) + return data & 0x1F; +#endif + + return 0; +} + +#endif + +/* + * Name: ddr3_cl_to_valid_cl - this return register matching CL value + * Desc: + * Args: clValue - the value + + * Notes: + * Returns: required CL value + */ +u32 ddr3_cl_to_valid_cl(u32 cl) +{ + switch (cl) { + case 5: + return 2; + break; + case 6: + return 4; + break; + case 7: + return 6; + break; + case 8: + return 8; + break; + case 9: + return 10; + break; + case 10: + return 12; + break; + case 11: + return 14; + break; + case 12: + return 1; + break; + case 13: + return 3; + break; + case 14: + return 5; + break; + default: + return 2; + } +} + +/* + * Name: ddr3_cl_to_valid_cl - this return register matching CL value + * Desc: + * Args: clValue - the value + * Notes: + * Returns: required CL value + */ +u32 ddr3_valid_cl_to_cl(u32 ui_valid_cl) +{ + switch (ui_valid_cl) { + case 1: + return 12; + break; + case 2: + return 5; + break; + case 3: + return 13; + break; + case 4: + return 6; + break; + case 5: + return 14; + break; + case 6: + return 7; + break; + case 8: + return 8; + break; + case 10: + return 9; + break; + case 12: + return 10; + break; + case 14: + return 11; + break; + default: + return 0; + } +} + +/* + * Name: ddr3_get_cs_num_from_reg + * Desc: + * Args: + * Notes: + * Returns: + */ +u32 ddr3_get_cs_num_from_reg(void) +{ + u32 cs_ena = ddr3_get_cs_ena_from_reg(); + u32 cs_count = 0; + u32 cs; + + for (cs = 0; cs < MAX_CS; cs++) { + if (cs_ena & (1 << cs)) + cs_count++; + } + + return cs_count; +} + +/* + * Name: ddr3_get_cs_ena_from_reg + * Desc: + * Args: + * Notes: + * Returns: + */ +u32 ddr3_get_cs_ena_from_reg(void) +{ + return reg_read(REG_DDR3_RANK_CTRL_ADDR) & + REG_DDR3_RANK_CTRL_CS_ENA_MASK; +} + +/* + * mv_ctrl_rev_get - Get Marvell controller device revision number + * + * DESCRIPTION: + * This function returns 8bit describing the device revision as defined + * in PCI Express Class Code and Revision ID Register. + * + * INPUT: + * None. + * + * OUTPUT: + * None. + * + * RETURN: + * 8bit desscribing Marvell controller revision number + * + */ +#if !defined(MV88F672X) +u8 mv_ctrl_rev_get(void) +{ + u8 rev_num; + +#if defined(MV_INCLUDE_CLK_PWR_CNTRL) + /* Check pex power state */ + u32 pex_power; + pex_power = mv_ctrl_pwr_clck_get(PEX_UNIT_ID, 0); + if (pex_power == 0) + mv_ctrl_pwr_clck_set(PEX_UNIT_ID, 0, 1); +#endif + rev_num = (u8)reg_read(PEX_CFG_DIRECT_ACCESS(0, + PCI_CLASS_CODE_AND_REVISION_ID)); + +#if defined(MV_INCLUDE_CLK_PWR_CNTRL) + /* Return to power off state */ + if (pex_power == 0) + mv_ctrl_pwr_clck_set(PEX_UNIT_ID, 0, 0); +#endif + + return (rev_num & PCCRIR_REVID_MASK) >> PCCRIR_REVID_OFFS; +} + +#endif + +#if defined(MV88F672X) +void get_target_freq(u32 freq_mode, u32 *ddr_freq, u32 *hclk_ps) +{ + u32 tmp, hclk; + + switch (freq_mode) { + case CPU_333MHz_DDR_167MHz_L2_167MHz: + hclk = 84; + tmp = DDR_100; + break; + case CPU_266MHz_DDR_266MHz_L2_133MHz: + case CPU_333MHz_DDR_222MHz_L2_167MHz: + case CPU_400MHz_DDR_200MHz_L2_200MHz: + case CPU_400MHz_DDR_267MHz_L2_200MHz: + case CPU_533MHz_DDR_267MHz_L2_267MHz: + case CPU_500MHz_DDR_250MHz_L2_250MHz: + case CPU_600MHz_DDR_300MHz_L2_300MHz: + case CPU_800MHz_DDR_267MHz_L2_400MHz: + case CPU_900MHz_DDR_300MHz_L2_450MHz: + tmp = DDR_300; + hclk = 150; + break; + case CPU_333MHz_DDR_333MHz_L2_167MHz: + case CPU_500MHz_DDR_334MHz_L2_250MHz: + case CPU_666MHz_DDR_333MHz_L2_333MHz: + tmp = DDR_333; + hclk = 165; + break; + case CPU_533MHz_DDR_356MHz_L2_267MHz: + tmp = DDR_360; + hclk = 180; + break; + case CPU_400MHz_DDR_400MHz_L2_200MHz: + case CPU_600MHz_DDR_400MHz_L2_300MHz: + case CPU_800MHz_DDR_400MHz_L2_400MHz: + case CPU_400MHz_DDR_400MHz_L2_400MHz: + tmp = DDR_400; + hclk = 200; + break; + case CPU_666MHz_DDR_444MHz_L2_333MHz: + case CPU_900MHz_DDR_450MHz_L2_450MHz: + tmp = DDR_444; + hclk = 222; + break; + case CPU_500MHz_DDR_500MHz_L2_250MHz: + case CPU_1000MHz_DDR_500MHz_L2_500MHz: + case CPU_1000MHz_DDR_500MHz_L2_333MHz: + tmp = DDR_500; + hclk = 250; + break; + case CPU_533MHz_DDR_533MHz_L2_267MHz: + case CPU_800MHz_DDR_534MHz_L2_400MHz: + case CPU_1100MHz_DDR_550MHz_L2_550MHz: + tmp = DDR_533; + hclk = 267; + break; + case CPU_600MHz_DDR_600MHz_L2_300MHz: + case CPU_900MHz_DDR_600MHz_L2_450MHz: + case CPU_1200MHz_DDR_600MHz_L2_600MHz: + tmp = DDR_600; + hclk = 300; + break; + case CPU_666MHz_DDR_666MHz_L2_333MHz: + case CPU_1000MHz_DDR_667MHz_L2_500MHz: + tmp = DDR_666; + hclk = 333; + break; + default: + *ddr_freq = 0; + *hclk_ps = 0; + break; + } + + *ddr_freq = tmp; /* DDR freq define */ + *hclk_ps = 1000000 / hclk; /* values are 1/HCLK in ps */ + + return; +} +#endif diff --git a/drivers/ddr/mvebu/ddr3_init.h b/drivers/ddr/mvebu/ddr3_init.h new file mode 100644 index 0000000..b259e09 --- /dev/null +++ b/drivers/ddr/mvebu/ddr3_init.h @@ -0,0 +1,143 @@ +/* + * Copyright (C) Marvell International Ltd. and its affiliates + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#ifndef __DDR3_INIT_H +#define __DDR3_INIT_H + +/* + * Debug + */ + +/* + * MV_DEBUG_INIT need to be defines, otherwise the output of the + * DDR2 training code is not complete and misleading + */ +#define MV_DEBUG_INIT + +#ifdef MV_DEBUG_INIT +#define DEBUG_INIT_S(s) puts(s) +#define DEBUG_INIT_D(d, l) printf("%x", d) +#define DEBUG_INIT_D_10(d, l) printf("%d", d) +#else +#define DEBUG_INIT_S(s) +#define DEBUG_INIT_D(d, l) +#define DEBUG_INIT_D_10(d, l) +#endif + +#ifdef MV_DEBUG_INIT_FULL +#define DEBUG_INIT_FULL_S(s) puts(s) +#define DEBUG_INIT_FULL_D(d, l) printf("%x", d) +#define DEBUG_INIT_FULL_D_10(d, l) printf("%d", d) +#define DEBUG_WR_REG(reg, val) \ + { DEBUG_INIT_S("Write Reg: 0x"); DEBUG_INIT_D((reg), 8); \ + DEBUG_INIT_S("= "); DEBUG_INIT_D((val), 8); DEBUG_INIT_S("\n"); } +#define DEBUG_RD_REG(reg, val) \ + { DEBUG_INIT_S("Read Reg: 0x"); DEBUG_INIT_D((reg), 8); \ + DEBUG_INIT_S("= "); DEBUG_INIT_D((val), 8); DEBUG_INIT_S("\n"); } +#else +#define DEBUG_INIT_FULL_S(s) +#define DEBUG_INIT_FULL_D(d, l) +#define DEBUG_INIT_FULL_D_10(d, l) +#define DEBUG_WR_REG(reg, val) +#define DEBUG_RD_REG(reg, val) +#endif + +#define DEBUG_INIT_FULL_C(s, d, l) \ + { DEBUG_INIT_FULL_S(s); DEBUG_INIT_FULL_D(d, l); DEBUG_INIT_FULL_S("\n"); } +#define DEBUG_INIT_C(s, d, l) \ + { DEBUG_INIT_S(s); DEBUG_INIT_D(d, l); DEBUG_INIT_S("\n"); } + +#define MV_MBUS_REGS_OFFSET (0x20000) + +#include "ddr3_hw_training.h" + +#define MAX_DIMM_NUM 2 +#define SPD_SIZE 128 + +#ifdef MV88F78X60 +#include "ddr3_axp.h" +#elif defined(MV88F67XX) +#include "ddr3_a370.h" +#elif defined(MV88F672X) +#include "ddr3_a375.h" +#endif + +/* DRR training Error codes */ +/* Stage 0 errors */ +#define MV_DDR3_TRAINING_ERR_BAD_SAR 0xDD300001 +/* Stage 1 errors */ +#define MV_DDR3_TRAINING_ERR_TWSI_FAIL 0xDD301001 +#define MV_DDR3_TRAINING_ERR_DIMM_TYPE_NO_MATCH 0xDD301001 +#define MV_DDR3_TRAINING_ERR_TWSI_BAD_TYPE 0xDD301003 +#define MV_DDR3_TRAINING_ERR_BUS_WIDTH_NOT_MATCH 0xDD301004 +#define MV_DDR3_TRAINING_ERR_BAD_DIMM_SETUP 0xDD301005 +#define MV_DDR3_TRAINING_ERR_MAX_CS_LIMIT 0xDD301006 +#define MV_DDR3_TRAINING_ERR_MAX_ENA_CS_LIMIT 0xDD301007 +#define MV_DDR3_TRAINING_ERR_BAD_R_DIMM_SETUP 0xDD301008 +/* Stage 2 errors */ +#define MV_DDR3_TRAINING_ERR_HW_FAIL_BASE 0xDD302000 + +typedef enum config_type { + CONFIG_ECC, + CONFIG_MULTI_CS, + CONFIG_BUS_WIDTH +} MV_CONFIG_TYPE; + +enum log_level { + MV_LOG_LEVEL_0, + MV_LOG_LEVEL_1, + MV_LOG_LEVEL_2, + MV_LOG_LEVEL_3 +}; + +int ddr3_hw_training(u32 target_freq, u32 ddr_width, + int xor_bypass, u32 scrub_offs, u32 scrub_size, + int dqs_clk_aligned, int debug_mode, int reg_dimm_skip_wl); + +void ddr3_print_version(void); +void fix_pll_val(u8 target_fab); +u8 ddr3_get_eprom_fabric(void); +u32 ddr3_get_fab_opt(void); +u32 ddr3_get_cpu_freq(void); +u32 ddr3_get_vco_freq(void); +int ddr3_check_config(u32 addr, MV_CONFIG_TYPE config_type); +u32 ddr3_get_static_mc_value(u32 reg_addr, u32 offset1, u32 mask1, u32 offset2, + u32 mask2); +u32 ddr3_cl_to_valid_cl(u32 cl); +u32 ddr3_valid_cl_to_cl(u32 ui_valid_cl); +u32 ddr3_get_cs_num_from_reg(void); +u32 ddr3_get_cs_ena_from_reg(void); +u8 mv_ctrl_rev_get(void); + +u32 ddr3_get_log_level(void); + +/* SPD */ +int ddr3_dunit_setup(u32 ecc_ena, u32 hclk_time, u32 *ddr_width); + +/* + * Accessor functions for the registers + */ +static inline void reg_write(u32 addr, u32 val) +{ + writel(val, INTER_REGS_BASE + addr); +} + +static inline u32 reg_read(u32 addr) +{ + return readl(INTER_REGS_BASE + addr); +} + +static inline void reg_bit_set(u32 addr, u32 mask) +{ + setbits_le32(INTER_REGS_BASE + addr, mask); +} + +static inline void reg_bit_clr(u32 addr, u32 mask) +{ + clrbits_le32(INTER_REGS_BASE + addr, mask); +} + +#endif /* __DDR3_INIT_H */ diff --git a/drivers/ddr/mvebu/ddr3_patterns_64bit.h b/drivers/ddr/mvebu/ddr3_patterns_64bit.h new file mode 100644 index 0000000..1b57328 --- /dev/null +++ b/drivers/ddr/mvebu/ddr3_patterns_64bit.h @@ -0,0 +1,924 @@ +/* + * Copyright (C) Marvell International Ltd. and its affiliates + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#ifndef __DDR3_PATTERNS_64_H +#define __DDR3_PATTERNS_64_H + +/* + * Patterns Declerations + */ + +u32 wl_sup_pattern[LEN_WL_SUP_PATTERN] __aligned(32) = { + 0x04030201, 0x08070605, 0x0c0b0a09, 0x100f0e0d, + 0x14131211, 0x18171615, 0x1c1b1a19, 0x201f1e1d, + 0x24232221, 0x28272625, 0x2c2b2a29, 0x302f2e2d, + 0x34333231, 0x38373635, 0x3c3b3a39, 0x403f3e3d, + 0x44434241, 0x48474645, 0x4c4b4a49, 0x504f4e4d, + 0x54535251, 0x58575655, 0x5c5b5a59, 0x605f5e5d, + 0x64636261, 0x68676665, 0x6c6b6a69, 0x706f6e6d, + 0x74737271, 0x78777675, 0x7c7b7a79, 0x807f7e7d +}; + +u32 pbs_pattern_32b[2][LEN_PBS_PATTERN] __aligned(32) = { + { + 0xAAAAAAAA, 0x55555555, 0xAAAAAAAA, 0x55555555, + 0xAAAAAAAA, 0x55555555, 0xAAAAAAAA, 0x55555555, + 0xAAAAAAAA, 0x55555555, 0xAAAAAAAA, 0x55555555, + 0xAAAAAAAA, 0x55555555, 0xAAAAAAAA, 0x55555555 + }, + { + 0x55555555, 0xAAAAAAAA, 0x55555555, 0xAAAAAAAA, + 0x55555555, 0xAAAAAAAA, 0x55555555, 0xAAAAAAAA, + 0x55555555, 0xAAAAAAAA, 0x55555555, 0xAAAAAAAA, + 0x55555555, 0xAAAAAAAA, 0x55555555, 0xAAAAAAAA + } +}; + +u32 pbs_pattern_64b[2][LEN_PBS_PATTERN] __aligned(32) = { + { + 0xAAAAAAAA, 0xAAAAAAAA, 0x55555555, 0x55555555, + 0xAAAAAAAA, 0xAAAAAAAA, 0x55555555, 0x55555555, + 0xAAAAAAAA, 0xAAAAAAAA, 0x55555555, 0x55555555, + 0xAAAAAAAA, 0xAAAAAAAA, 0x55555555, 0x55555555 + }, + { + 0x55555555, 0x55555555, 0xAAAAAAAA, 0xAAAAAAAA, + 0x55555555, 0x55555555, 0xAAAAAAAA, 0xAAAAAAAA, + 0x55555555, 0x55555555, 0xAAAAAAAA, 0xAAAAAAAA, + 0x55555555, 0x55555555, 0xAAAAAAAA, 0xAAAAAAAA + } +}; + +u32 rl_pattern[LEN_STD_PATTERN] __aligned(32) = { + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0x01010101, 0x01010101, 0x01010101, 0x01010101 +}; + +u32 killer_pattern_32b[DQ_NUM][LEN_KILLER_PATTERN] __aligned(32) = { + { + 0x01010101, 0x00000000, 0x01010101, 0xFFFFFFFF, + 0x01010101, 0x00000000, 0x01010101, 0xFFFFFFFF, + 0xFEFEFEFE, 0xFEFEFEFE, 0x01010101, 0xFEFEFEFE, + 0xFEFEFEFE, 0xFEFEFEFE, 0x01010101, 0xFEFEFEFE, + 0x01010101, 0xFEFEFEFE, 0x01010101, 0x01010101, + 0x01010101, 0xFEFEFEFE, 0x01010101, 0x01010101, + 0xFEFEFEFE, 0x01010101, 0xFEFEFEFE, 0x00000000, + 0xFEFEFEFE, 0x01010101, 0xFEFEFEFE, 0x00000000, + 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, 0x00000000, + 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, 0x00000000, + 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, 0x01010101, + 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, 0x01010101, + 0x00000000, 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, + 0x00000000, 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0x00000000, 0xFEFEFEFE, + 0x00000000, 0x00000000, 0x00000000, 0xFEFEFEFE, + 0xFEFEFEFE, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFEFEFEFE, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, + 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, + 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, + 0x00000000, 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, + 0x00000000, 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, + 0xFEFEFEFE, 0x00000000, 0xFEFEFEFE, 0x00000000, + 0xFEFEFEFE, 0x00000000, 0xFEFEFEFE, 0x00000000, + 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, 0x01010101, + 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, 0x01010101, + 0xFFFFFFFF, 0xFFFFFFFF, 0x01010101, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x01010101, 0x00000000, + 0x01010101, 0xFFFFFFFF, 0xFEFEFEFE, 0xFEFEFEFE, + 0x01010101, 0xFFFFFFFF, 0xFEFEFEFE, 0xFEFEFEFE + }, + { + 0x02020202, 0x00000000, 0x02020202, 0xFFFFFFFF, + 0x02020202, 0x00000000, 0x02020202, 0xFFFFFFFF, + 0xFDFDFDFD, 0xFDFDFDFD, 0x02020202, 0xFDFDFDFD, + 0xFDFDFDFD, 0xFDFDFDFD, 0x02020202, 0xFDFDFDFD, + 0x02020202, 0xFDFDFDFD, 0x02020202, 0x02020202, + 0x02020202, 0xFDFDFDFD, 0x02020202, 0x02020202, + 0xFDFDFDFD, 0x02020202, 0xFDFDFDFD, 0x00000000, + 0xFDFDFDFD, 0x02020202, 0xFDFDFDFD, 0x00000000, + 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, 0x00000000, + 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, 0x00000000, + 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, 0x02020202, + 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, 0x02020202, + 0x00000000, 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, + 0x00000000, 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0x00000000, 0xFDFDFDFD, + 0x00000000, 0x00000000, 0x00000000, 0xFDFDFDFD, + 0xFDFDFDFD, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFDFDFDFD, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, + 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, + 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, + 0x00000000, 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, + 0x00000000, 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, + 0xFDFDFDFD, 0x00000000, 0xFDFDFDFD, 0x00000000, + 0xFDFDFDFD, 0x00000000, 0xFDFDFDFD, 0x00000000, + 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, 0x02020202, + 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, 0x02020202, + 0xFFFFFFFF, 0xFFFFFFFF, 0x02020202, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x02020202, 0x00000000, + 0x02020202, 0xFFFFFFFF, 0xFDFDFDFD, 0xFDFDFDFD, + 0x02020202, 0xFFFFFFFF, 0xFDFDFDFD, 0xFDFDFDFD + }, + { + 0x04040404, 0x00000000, 0x04040404, 0xFFFFFFFF, + 0x04040404, 0x00000000, 0x04040404, 0xFFFFFFFF, + 0xFBFBFBFB, 0xFBFBFBFB, 0x04040404, 0xFBFBFBFB, + 0xFBFBFBFB, 0xFBFBFBFB, 0x04040404, 0xFBFBFBFB, + 0x04040404, 0xFBFBFBFB, 0x04040404, 0x04040404, + 0x04040404, 0xFBFBFBFB, 0x04040404, 0x04040404, + 0xFBFBFBFB, 0x04040404, 0xFBFBFBFB, 0x00000000, + 0xFBFBFBFB, 0x04040404, 0xFBFBFBFB, 0x00000000, + 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, 0x00000000, + 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, 0x00000000, + 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, 0x04040404, + 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, 0x04040404, + 0x00000000, 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, + 0x00000000, 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0x00000000, 0xFBFBFBFB, + 0x00000000, 0x00000000, 0x00000000, 0xFBFBFBFB, + 0xFBFBFBFB, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFBFBFBFB, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, + 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, + 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, + 0x00000000, 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, + 0x00000000, 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, + 0xFBFBFBFB, 0x00000000, 0xFBFBFBFB, 0x00000000, + 0xFBFBFBFB, 0x00000000, 0xFBFBFBFB, 0x00000000, + 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, 0x04040404, + 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, 0x04040404, + 0xFFFFFFFF, 0xFFFFFFFF, 0x04040404, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x04040404, 0x00000000, + 0x04040404, 0xFFFFFFFF, 0xFBFBFBFB, 0xFBFBFBFB, + 0x04040404, 0xFFFFFFFF, 0xFBFBFBFB, 0xFBFBFBFB + }, + { + 0x08080808, 0x00000000, 0x08080808, 0xFFFFFFFF, + 0x08080808, 0x00000000, 0x08080808, 0xFFFFFFFF, + 0xF7F7F7F7, 0xF7F7F7F7, 0x08080808, 0xF7F7F7F7, + 0xF7F7F7F7, 0xF7F7F7F7, 0x08080808, 0xF7F7F7F7, + 0x08080808, 0xF7F7F7F7, 0x08080808, 0x08080808, + 0x08080808, 0xF7F7F7F7, 0x08080808, 0x08080808, + 0xF7F7F7F7, 0x08080808, 0xF7F7F7F7, 0x00000000, + 0xF7F7F7F7, 0x08080808, 0xF7F7F7F7, 0x00000000, + 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, 0x00000000, + 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, 0x00000000, + 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, 0x08080808, + 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, 0x08080808, + 0x00000000, 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, + 0x00000000, 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0x00000000, 0xF7F7F7F7, + 0x00000000, 0x00000000, 0x00000000, 0xF7F7F7F7, + 0xF7F7F7F7, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xF7F7F7F7, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, + 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, + 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, + 0x00000000, 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, + 0x00000000, 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, + 0xF7F7F7F7, 0x00000000, 0xF7F7F7F7, 0x00000000, + 0xF7F7F7F7, 0x00000000, 0xF7F7F7F7, 0x00000000, + 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, 0x08080808, + 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, 0x08080808, + 0xFFFFFFFF, 0xFFFFFFFF, 0x08080808, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x08080808, 0x00000000, + 0x08080808, 0xFFFFFFFF, 0xF7F7F7F7, 0xF7F7F7F7, + 0x08080808, 0xFFFFFFFF, 0xF7F7F7F7, 0xF7F7F7F7 + }, + { + 0x10101010, 0x00000000, 0x10101010, 0xFFFFFFFF, + 0x10101010, 0x00000000, 0x10101010, 0xFFFFFFFF, + 0xEFEFEFEF, 0xEFEFEFEF, 0x10101010, 0xEFEFEFEF, + 0xEFEFEFEF, 0xEFEFEFEF, 0x10101010, 0xEFEFEFEF, + 0x10101010, 0xEFEFEFEF, 0x10101010, 0x10101010, + 0x10101010, 0xEFEFEFEF, 0x10101010, 0x10101010, + 0xEFEFEFEF, 0x10101010, 0xEFEFEFEF, 0x00000000, + 0xEFEFEFEF, 0x10101010, 0xEFEFEFEF, 0x00000000, + 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, 0x00000000, + 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, 0x00000000, + 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, 0x10101010, + 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, 0x10101010, + 0x00000000, 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, + 0x00000000, 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0x00000000, 0xEFEFEFEF, + 0x00000000, 0x00000000, 0x00000000, 0xEFEFEFEF, + 0xEFEFEFEF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xEFEFEFEF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, + 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, + 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, + 0x00000000, 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, + 0x00000000, 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, + 0xEFEFEFEF, 0x00000000, 0xEFEFEFEF, 0x00000000, + 0xEFEFEFEF, 0x00000000, 0xEFEFEFEF, 0x00000000, + 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, 0x10101010, + 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, 0x10101010, + 0xFFFFFFFF, 0xFFFFFFFF, 0x10101010, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x10101010, 0x00000000, + 0x10101010, 0xFFFFFFFF, 0xEFEFEFEF, 0xEFEFEFEF, + 0x10101010, 0xFFFFFFFF, 0xEFEFEFEF, 0xEFEFEFEF + }, + { + 0x20202020, 0x00000000, 0x20202020, 0xFFFFFFFF, + 0x20202020, 0x00000000, 0x20202020, 0xFFFFFFFF, + 0xDFDFDFDF, 0xDFDFDFDF, 0x20202020, 0xDFDFDFDF, + 0xDFDFDFDF, 0xDFDFDFDF, 0x20202020, 0xDFDFDFDF, + 0x20202020, 0xDFDFDFDF, 0x20202020, 0x20202020, + 0x20202020, 0xDFDFDFDF, 0x20202020, 0x20202020, + 0xDFDFDFDF, 0x20202020, 0xDFDFDFDF, 0x00000000, + 0xDFDFDFDF, 0x20202020, 0xDFDFDFDF, 0x00000000, + 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, 0x00000000, + 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, 0x00000000, + 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, 0x20202020, + 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, 0x20202020, + 0x00000000, 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, + 0x00000000, 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0x00000000, 0xDFDFDFDF, + 0x00000000, 0x00000000, 0x00000000, 0xDFDFDFDF, + 0xDFDFDFDF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xDFDFDFDF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, + 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, + 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, + 0x00000000, 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, + 0x00000000, 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, + 0xDFDFDFDF, 0x00000000, 0xDFDFDFDF, 0x00000000, + 0xDFDFDFDF, 0x00000000, 0xDFDFDFDF, 0x00000000, + 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, 0x20202020, + 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, 0x20202020, + 0xFFFFFFFF, 0xFFFFFFFF, 0x20202020, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x20202020, 0x00000000, + 0x20202020, 0xFFFFFFFF, 0xDFDFDFDF, 0xDFDFDFDF, + 0x20202020, 0xFFFFFFFF, 0xDFDFDFDF, 0xDFDFDFDF + }, + { + 0x40404040, 0x00000000, 0x40404040, 0xFFFFFFFF, + 0x40404040, 0x00000000, 0x40404040, 0xFFFFFFFF, + 0xBFBFBFBF, 0xBFBFBFBF, 0x40404040, 0xBFBFBFBF, + 0xBFBFBFBF, 0xBFBFBFBF, 0x40404040, 0xBFBFBFBF, + 0x40404040, 0xBFBFBFBF, 0x40404040, 0x40404040, + 0x40404040, 0xBFBFBFBF, 0x40404040, 0x40404040, + 0xBFBFBFBF, 0x40404040, 0xBFBFBFBF, 0x00000000, + 0xBFBFBFBF, 0x40404040, 0xBFBFBFBF, 0x00000000, + 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, 0x00000000, + 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, 0x00000000, + 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, 0x40404040, + 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, 0x40404040, + 0x00000000, 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, + 0x00000000, 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0x00000000, 0xBFBFBFBF, + 0x00000000, 0x00000000, 0x00000000, 0xBFBFBFBF, + 0xBFBFBFBF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xBFBFBFBF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, + 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, + 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, + 0x00000000, 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, + 0x00000000, 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, + 0xBFBFBFBF, 0x00000000, 0xBFBFBFBF, 0x00000000, + 0xBFBFBFBF, 0x00000000, 0xBFBFBFBF, 0x00000000, + 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, 0x40404040, + 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, 0x40404040, + 0xFFFFFFFF, 0xFFFFFFFF, 0x40404040, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x40404040, 0x00000000, + 0x40404040, 0xFFFFFFFF, 0xBFBFBFBF, 0xBFBFBFBF, + 0x40404040, 0xFFFFFFFF, 0xBFBFBFBF, 0xBFBFBFBF + }, + { + 0x80808080, 0x00000000, 0x80808080, 0xFFFFFFFF, + 0x80808080, 0x00000000, 0x80808080, 0xFFFFFFFF, + 0x7F7F7F7F, 0x7F7F7F7F, 0x80808080, 0x7F7F7F7F, + 0x7F7F7F7F, 0x7F7F7F7F, 0x80808080, 0x7F7F7F7F, + 0x80808080, 0x7F7F7F7F, 0x80808080, 0x80808080, + 0x80808080, 0x7F7F7F7F, 0x80808080, 0x80808080, + 0x7F7F7F7F, 0x80808080, 0x7F7F7F7F, 0x00000000, + 0x7F7F7F7F, 0x80808080, 0x7F7F7F7F, 0x00000000, + 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, 0x00000000, + 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, 0x00000000, + 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, 0x80808080, + 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, 0x80808080, + 0x00000000, 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, + 0x00000000, 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0x00000000, 0x7F7F7F7F, + 0x00000000, 0x00000000, 0x00000000, 0x7F7F7F7F, + 0x7F7F7F7F, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0x7F7F7F7F, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, + 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, + 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, + 0x00000000, 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, + 0x00000000, 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, + 0x7F7F7F7F, 0x00000000, 0x7F7F7F7F, 0x00000000, + 0x7F7F7F7F, 0x00000000, 0x7F7F7F7F, 0x00000000, + 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, 0x80808080, + 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, 0x80808080, + 0xFFFFFFFF, 0xFFFFFFFF, 0x80808080, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x80808080, 0x00000000, + 0x80808080, 0xFFFFFFFF, 0x7F7F7F7F, 0x7F7F7F7F, + 0x80808080, 0xFFFFFFFF, 0x7F7F7F7F, 0x7F7F7F7F + } +}; + +u32 killer_pattern_64b[DQ_NUM][LEN_KILLER_PATTERN] __aligned(32) = { + { + 0x01010101, 0x01010101, 0x00000000, 0x00000000, + 0x01010101, 0x01010101, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFEFEFEFE, 0xFEFEFEFE, 0xFEFEFEFE, 0xFEFEFEFE, + 0x01010101, 0x01010101, 0xFEFEFEFE, 0xFEFEFEFE, + 0x01010101, 0x01010101, 0xFEFEFEFE, 0xFEFEFEFE, + 0x01010101, 0x01010101, 0x01010101, 0x01010101, + 0xFEFEFEFE, 0xFEFEFEFE, 0x01010101, 0x01010101, + 0xFEFEFEFE, 0xFEFEFEFE, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x01010101, 0x01010101, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0xFEFEFEFE, 0xFEFEFEFE, + 0xFEFEFEFE, 0xFEFEFEFE, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFEFEFEFE, 0xFEFEFEFE, 0x00000000, 0x00000000, + 0xFEFEFEFE, 0xFEFEFEFE, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0x01010101, 0x01010101, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0x01010101, 0x01010101, 0x00000000, 0x00000000, + 0x01010101, 0x01010101, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFEFEFEFE, 0xFEFEFEFE, 0xFEFEFEFE, 0xFEFEFEFE + }, + { + 0x02020202, 0x02020202, 0x00000000, 0x00000000, + 0x02020202, 0x02020202, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFDFDFDFD, 0xFDFDFDFD, 0xFDFDFDFD, 0xFDFDFDFD, + 0x02020202, 0x02020202, 0xFDFDFDFD, 0xFDFDFDFD, + 0x02020202, 0x02020202, 0xFDFDFDFD, 0xFDFDFDFD, + 0x02020202, 0x02020202, 0x02020202, 0x02020202, + 0xFDFDFDFD, 0xFDFDFDFD, 0x02020202, 0x02020202, + 0xFDFDFDFD, 0xFDFDFDFD, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x02020202, 0x02020202, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0xFDFDFDFD, 0xFDFDFDFD, + 0xFDFDFDFD, 0xFDFDFDFD, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFDFDFDFD, 0xFDFDFDFD, 0x00000000, 0x00000000, + 0xFDFDFDFD, 0xFDFDFDFD, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0x02020202, 0x02020202, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0x02020202, 0x02020202, 0x00000000, 0x00000000, + 0x02020202, 0x02020202, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFDFDFDFD, 0xFDFDFDFD, 0xFDFDFDFD, 0xFDFDFDFD + }, + { + 0x04040404, 0x04040404, 0x00000000, 0x00000000, + 0x04040404, 0x04040404, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFBFBFBFB, 0xFBFBFBFB, 0xFBFBFBFB, 0xFBFBFBFB, + 0x04040404, 0x04040404, 0xFBFBFBFB, 0xFBFBFBFB, + 0x04040404, 0x04040404, 0xFBFBFBFB, 0xFBFBFBFB, + 0x04040404, 0x04040404, 0x04040404, 0x04040404, + 0xFBFBFBFB, 0xFBFBFBFB, 0x04040404, 0x04040404, + 0xFBFBFBFB, 0xFBFBFBFB, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x04040404, 0x04040404, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0xFBFBFBFB, 0xFBFBFBFB, + 0xFBFBFBFB, 0xFBFBFBFB, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFBFBFBFB, 0xFBFBFBFB, 0x00000000, 0x00000000, + 0xFBFBFBFB, 0xFBFBFBFB, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0x04040404, 0x04040404, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0x04040404, 0x04040404, 0x00000000, 0x00000000, + 0x04040404, 0x04040404, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFBFBFBFB, 0xFBFBFBFB, 0xFBFBFBFB, 0xFBFBFBFB + }, + { + 0x08080808, 0x08080808, 0x00000000, 0x00000000, + 0x08080808, 0x08080808, 0xFFFFFFFF, 0xFFFFFFFF, + 0xF7F7F7F7, 0xF7F7F7F7, 0xF7F7F7F7, 0xF7F7F7F7, + 0x08080808, 0x08080808, 0xF7F7F7F7, 0xF7F7F7F7, + 0x08080808, 0x08080808, 0xF7F7F7F7, 0xF7F7F7F7, + 0x08080808, 0x08080808, 0x08080808, 0x08080808, + 0xF7F7F7F7, 0xF7F7F7F7, 0x08080808, 0x08080808, + 0xF7F7F7F7, 0xF7F7F7F7, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x08080808, 0x08080808, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0xF7F7F7F7, 0xF7F7F7F7, + 0xF7F7F7F7, 0xF7F7F7F7, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0xF7F7F7F7, 0xF7F7F7F7, 0x00000000, 0x00000000, + 0xF7F7F7F7, 0xF7F7F7F7, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0x08080808, 0x08080808, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0x08080808, 0x08080808, 0x00000000, 0x00000000, + 0x08080808, 0x08080808, 0xFFFFFFFF, 0xFFFFFFFF, + 0xF7F7F7F7, 0xF7F7F7F7, 0xF7F7F7F7, 0xF7F7F7F7 + }, + { + 0x10101010, 0x10101010, 0x00000000, 0x00000000, + 0x10101010, 0x10101010, 0xFFFFFFFF, 0xFFFFFFFF, + 0xEFEFEFEF, 0xEFEFEFEF, 0xEFEFEFEF, 0xEFEFEFEF, + 0x10101010, 0x10101010, 0xEFEFEFEF, 0xEFEFEFEF, + 0x10101010, 0x10101010, 0xEFEFEFEF, 0xEFEFEFEF, + 0x10101010, 0x10101010, 0x10101010, 0x10101010, + 0xEFEFEFEF, 0xEFEFEFEF, 0x10101010, 0x10101010, + 0xEFEFEFEF, 0xEFEFEFEF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x10101010, 0x10101010, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0xEFEFEFEF, 0xEFEFEFEF, + 0xEFEFEFEF, 0xEFEFEFEF, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0xEFEFEFEF, 0xEFEFEFEF, 0x00000000, 0x00000000, + 0xEFEFEFEF, 0xEFEFEFEF, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0x10101010, 0x10101010, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0x10101010, 0x10101010, 0x00000000, 0x00000000, + 0x10101010, 0x10101010, 0xFFFFFFFF, 0xFFFFFFFF, + 0xEFEFEFEF, 0xEFEFEFEF, 0xEFEFEFEF, 0xEFEFEFEF + }, + { + 0x20202020, 0x20202020, 0x00000000, 0x00000000, + 0x20202020, 0x20202020, 0xFFFFFFFF, 0xFFFFFFFF, + 0xDFDFDFDF, 0xDFDFDFDF, 0xDFDFDFDF, 0xDFDFDFDF, + 0x20202020, 0x20202020, 0xDFDFDFDF, 0xDFDFDFDF, + 0x20202020, 0x20202020, 0xDFDFDFDF, 0xDFDFDFDF, + 0x20202020, 0x20202020, 0x20202020, 0x20202020, + 0xDFDFDFDF, 0xDFDFDFDF, 0x20202020, 0x20202020, + 0xDFDFDFDF, 0xDFDFDFDF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x20202020, 0x20202020, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0xDFDFDFDF, 0xDFDFDFDF, + 0xDFDFDFDF, 0xDFDFDFDF, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0xDFDFDFDF, 0xDFDFDFDF, 0x00000000, 0x00000000, + 0xDFDFDFDF, 0xDFDFDFDF, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0x20202020, 0x20202020, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0x20202020, 0x20202020, 0x00000000, 0x00000000, + 0x20202020, 0x20202020, 0xFFFFFFFF, 0xFFFFFFFF, + 0xDFDFDFDF, 0xDFDFDFDF, 0xDFDFDFDF, 0xDFDFDFDF + }, + { + 0x40404040, 0x40404040, 0x00000000, 0x00000000, + 0x40404040, 0x40404040, 0xFFFFFFFF, 0xFFFFFFFF, + 0xBFBFBFBF, 0xBFBFBFBF, 0xBFBFBFBF, 0xBFBFBFBF, + 0x40404040, 0x40404040, 0xBFBFBFBF, 0xBFBFBFBF, + 0x40404040, 0x40404040, 0xBFBFBFBF, 0xBFBFBFBF, + 0x40404040, 0x40404040, 0x40404040, 0x40404040, + 0xBFBFBFBF, 0xBFBFBFBF, 0x40404040, 0x40404040, + 0xBFBFBFBF, 0xBFBFBFBF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x40404040, 0x40404040, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0xBFBFBFBF, 0xBFBFBFBF, + 0xBFBFBFBF, 0xBFBFBFBF, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0xBFBFBFBF, 0xBFBFBFBF, 0x00000000, 0x00000000, + 0xBFBFBFBF, 0xBFBFBFBF, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0x40404040, 0x40404040, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0x40404040, 0x40404040, 0x00000000, 0x00000000, + 0x40404040, 0x40404040, 0xFFFFFFFF, 0xFFFFFFFF, + 0xBFBFBFBF, 0xBFBFBFBF, 0xBFBFBFBF, 0xBFBFBFBF + }, + { + 0x80808080, 0x80808080, 0x00000000, 0x00000000, + 0x80808080, 0x80808080, 0xFFFFFFFF, 0xFFFFFFFF, + 0x7F7F7F7F, 0x7F7F7F7F, 0x7F7F7F7F, 0x7F7F7F7F, + 0x80808080, 0x80808080, 0x7F7F7F7F, 0x7F7F7F7F, + 0x80808080, 0x80808080, 0x7F7F7F7F, 0x7F7F7F7F, + 0x80808080, 0x80808080, 0x80808080, 0x80808080, + 0x7F7F7F7F, 0x7F7F7F7F, 0x80808080, 0x80808080, + 0x7F7F7F7F, 0x7F7F7F7F, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x80808080, 0x80808080, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0x7F7F7F7F, 0x7F7F7F7F, + 0x7F7F7F7F, 0x7F7F7F7F, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x7F7F7F7F, 0x7F7F7F7F, 0x00000000, 0x00000000, + 0x7F7F7F7F, 0x7F7F7F7F, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0x80808080, 0x80808080, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0x80808080, 0x80808080, 0x00000000, 0x00000000, + 0x80808080, 0x80808080, 0xFFFFFFFF, 0xFFFFFFFF, + 0x7F7F7F7F, 0x7F7F7F7F, 0x7F7F7F7F, 0x7F7F7F7F + } +}; + +u32 special_pattern[DQ_NUM][LEN_SPECIAL_PATTERN] __aligned(32) = { + { + 0x00000000, 0x00000000, 0x01010101, 0x01010101, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFEFEFEFE, 0xFEFEFEFE, + 0xFEFEFEFE, 0xFEFEFEFE, 0x01010101, 0x01010101, + 0xFEFEFEFE, 0xFEFEFEFE, 0x01010101, 0x01010101, + 0xFEFEFEFE, 0xFEFEFEFE, 0x01010101, 0x01010101, + 0x01010101, 0x01010101, 0xFEFEFEFE, 0xFEFEFEFE, + 0x01010101, 0x01010101, 0xFEFEFEFE, 0xFEFEFEFE, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x01010101, 0x01010101, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0xFEFEFEFE, 0xFEFEFEFE, 0xFEFEFEFE, 0xFEFEFEFE, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFEFEFEFE, 0xFEFEFEFE, + 0x00000000, 0x00000000, 0xFEFEFEFE, 0xFEFEFEFE, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0x01010101, 0x01010101, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0x01010101, 0x01010101, + 0x00000000, 0x00000000, 0x01010101, 0x01010101, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFEFEFEFE, 0xFEFEFEFE, + 0xFEFEFEFE, 0xFEFEFEFE, 0x00000000, 0x00000000 + }, + { + 0x00000000, 0x00000000, 0x02020202, 0x02020202, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFDFDFDFD, 0xFDFDFDFD, + 0xFDFDFDFD, 0xFDFDFDFD, 0x02020202, 0x02020202, + 0xFDFDFDFD, 0xFDFDFDFD, 0x02020202, 0x02020202, + 0xFDFDFDFD, 0xFDFDFDFD, 0x02020202, 0x02020202, + 0x02020202, 0x02020202, 0xFDFDFDFD, 0xFDFDFDFD, + 0x02020202, 0x02020202, 0xFDFDFDFD, 0xFDFDFDFD, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x02020202, 0x02020202, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0xFDFDFDFD, 0xFDFDFDFD, 0xFDFDFDFD, 0xFDFDFDFD, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFDFDFDFD, 0xFDFDFDFD, + 0x00000000, 0x00000000, 0xFDFDFDFD, 0xFDFDFDFD, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0x02020202, 0x02020202, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0x02020202, 0x02020202, + 0x00000000, 0x00000000, 0x02020202, 0x02020202, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFDFDFDFD, 0xFDFDFDFD, + 0xFDFDFDFD, 0xFDFDFDFD, 0x00000000, 0x00000000 + }, + { + 0x00000000, 0x00000000, 0x04040404, 0x04040404, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFBFBFBFB, 0xFBFBFBFB, + 0xFBFBFBFB, 0xFBFBFBFB, 0x04040404, 0x04040404, + 0xFBFBFBFB, 0xFBFBFBFB, 0x04040404, 0x04040404, + 0xFBFBFBFB, 0xFBFBFBFB, 0x04040404, 0x04040404, + 0x04040404, 0x04040404, 0xFBFBFBFB, 0xFBFBFBFB, + 0x04040404, 0x04040404, 0xFBFBFBFB, 0xFBFBFBFB, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x04040404, 0x04040404, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0xFBFBFBFB, 0xFBFBFBFB, 0xFBFBFBFB, 0xFBFBFBFB, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFBFBFBFB, 0xFBFBFBFB, + 0x00000000, 0x00000000, 0xFBFBFBFB, 0xFBFBFBFB, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0x04040404, 0x04040404, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0x04040404, 0x04040404, + 0x00000000, 0x00000000, 0x04040404, 0x04040404, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFBFBFBFB, 0xFBFBFBFB, + 0xFBFBFBFB, 0xFBFBFBFB, 0x00000000, 0x00000000 + }, + { + 0x00000000, 0x00000000, 0x08080808, 0x08080808, + 0xFFFFFFFF, 0xFFFFFFFF, 0xF7F7F7F7, 0xF7F7F7F7, + 0xF7F7F7F7, 0xF7F7F7F7, 0x08080808, 0x08080808, + 0xF7F7F7F7, 0xF7F7F7F7, 0x08080808, 0x08080808, + 0xF7F7F7F7, 0xF7F7F7F7, 0x08080808, 0x08080808, + 0x08080808, 0x08080808, 0xF7F7F7F7, 0xF7F7F7F7, + 0x08080808, 0x08080808, 0xF7F7F7F7, 0xF7F7F7F7, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x08080808, 0x08080808, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0xF7F7F7F7, 0xF7F7F7F7, 0xF7F7F7F7, 0xF7F7F7F7, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0xF7F7F7F7, 0xF7F7F7F7, + 0x00000000, 0x00000000, 0xF7F7F7F7, 0xF7F7F7F7, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0x08080808, 0x08080808, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0x08080808, 0x08080808, + 0x00000000, 0x00000000, 0x08080808, 0x08080808, + 0xFFFFFFFF, 0xFFFFFFFF, 0xF7F7F7F7, 0xF7F7F7F7, + 0xF7F7F7F7, 0xF7F7F7F7, 0x00000000, 0x00000000 + }, + { + 0x00000000, 0x00000000, 0x10101010, 0x10101010, + 0xFFFFFFFF, 0xFFFFFFFF, 0xEFEFEFEF, 0xEFEFEFEF, + 0xEFEFEFEF, 0xEFEFEFEF, 0x10101010, 0x10101010, + 0xEFEFEFEF, 0xEFEFEFEF, 0x10101010, 0x10101010, + 0xEFEFEFEF, 0xEFEFEFEF, 0x10101010, 0x10101010, + 0x10101010, 0x10101010, 0xEFEFEFEF, 0xEFEFEFEF, + 0x10101010, 0x10101010, 0xEFEFEFEF, 0xEFEFEFEF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x10101010, 0x10101010, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0xEFEFEFEF, 0xEFEFEFEF, 0xEFEFEFEF, 0xEFEFEFEF, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0xEFEFEFEF, 0xEFEFEFEF, + 0x00000000, 0x00000000, 0xEFEFEFEF, 0xEFEFEFEF, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0x10101010, 0x10101010, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0x10101010, 0x10101010, + 0x00000000, 0x00000000, 0x10101010, 0x10101010, + 0xFFFFFFFF, 0xFFFFFFFF, 0xEFEFEFEF, 0xEFEFEFEF, + 0xEFEFEFEF, 0xEFEFEFEF, 0x00000000, 0x00000000 + }, + { + 0x00000000, 0x00000000, 0x20202020, 0x20202020, + 0xFFFFFFFF, 0xFFFFFFFF, 0xDFDFDFDF, 0xDFDFDFDF, + 0xDFDFDFDF, 0xDFDFDFDF, 0x20202020, 0x20202020, + 0xDFDFDFDF, 0xDFDFDFDF, 0x20202020, 0x20202020, + 0xDFDFDFDF, 0xDFDFDFDF, 0x20202020, 0x20202020, + 0x20202020, 0x20202020, 0xDFDFDFDF, 0xDFDFDFDF, + 0x20202020, 0x20202020, 0xDFDFDFDF, 0xDFDFDFDF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x20202020, 0x20202020, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0xDFDFDFDF, 0xDFDFDFDF, 0xDFDFDFDF, 0xDFDFDFDF, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0xDFDFDFDF, 0xDFDFDFDF, + 0x00000000, 0x00000000, 0xDFDFDFDF, 0xDFDFDFDF, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0x20202020, 0x20202020, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0x20202020, 0x20202020, + 0x00000000, 0x00000000, 0x20202020, 0x20202020, + 0xFFFFFFFF, 0xFFFFFFFF, 0xDFDFDFDF, 0xDFDFDFDF, + 0xDFDFDFDF, 0xDFDFDFDF, 0x00000000, 0x00000000 + }, + { + 0x00000000, 0x00000000, 0x40404040, 0x40404040, + 0xFFFFFFFF, 0xFFFFFFFF, 0xBFBFBFBF, 0xBFBFBFBF, + 0xBFBFBFBF, 0xBFBFBFBF, 0x40404040, 0x40404040, + 0xBFBFBFBF, 0xBFBFBFBF, 0x40404040, 0x40404040, + 0xBFBFBFBF, 0xBFBFBFBF, 0x40404040, 0x40404040, + 0x40404040, 0x40404040, 0xBFBFBFBF, 0xBFBFBFBF, + 0x40404040, 0x40404040, 0xBFBFBFBF, 0xBFBFBFBF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x40404040, 0x40404040, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0xBFBFBFBF, 0xBFBFBFBF, 0xBFBFBFBF, 0xBFBFBFBF, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0xBFBFBFBF, 0xBFBFBFBF, + 0x00000000, 0x00000000, 0xBFBFBFBF, 0xBFBFBFBF, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0x40404040, 0x40404040, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0x40404040, 0x40404040, + 0x00000000, 0x00000000, 0x40404040, 0x40404040, + 0xFFFFFFFF, 0xFFFFFFFF, 0xBFBFBFBF, 0xBFBFBFBF, + 0xBFBFBFBF, 0xBFBFBFBF, 0x00000000, 0x00000000 + }, + { + 0x00000000, 0x00000000, 0x80808080, 0x80808080, + 0xFFFFFFFF, 0xFFFFFFFF, 0x7F7F7F7F, 0x7F7F7F7F, + 0x7F7F7F7F, 0x7F7F7F7F, 0x80808080, 0x80808080, + 0x7F7F7F7F, 0x7F7F7F7F, 0x80808080, 0x80808080, + 0x7F7F7F7F, 0x7F7F7F7F, 0x80808080, 0x80808080, + 0x80808080, 0x80808080, 0x7F7F7F7F, 0x7F7F7F7F, + 0x80808080, 0x80808080, 0x7F7F7F7F, 0x7F7F7F7F, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x80808080, 0x80808080, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0x7F7F7F7F, 0x7F7F7F7F, 0x7F7F7F7F, 0x7F7F7F7F, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x7F7F7F7F, 0x7F7F7F7F, + 0x00000000, 0x00000000, 0x7F7F7F7F, 0x7F7F7F7F, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0x80808080, 0x80808080, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0x80808080, 0x80808080, + 0x00000000, 0x00000000, 0x80808080, 0x80808080, + 0xFFFFFFFF, 0xFFFFFFFF, 0x7F7F7F7F, 0x7F7F7F7F, + 0x7F7F7F7F, 0x7F7F7F7F, 0x00000000, 0x00000000 + } +}; + +/* Fabric ratios table */ +u32 fabric_ratio[FAB_OPT] = { + 0x04010204, + 0x04020202, + 0x08020306, + 0x08020303, + 0x04020303, + 0x04020204, + 0x04010202, + 0x08030606, + 0x08030505, + 0x04020306, + 0x0804050A, + 0x04030606, + 0x04020404, + 0x04030306, + 0x04020505, + 0x08020505, + 0x04010303, + 0x08050A0A, + 0x04030408, + 0x04010102, + 0x08030306 +}; + +u32 pbs_dq_mapping[PUP_NUM_64BIT + 1][DQ_NUM] = { + {3, 2, 5, 7, 1, 0, 6, 4}, + {2, 3, 6, 7, 1, 0, 4, 5}, + {1, 3, 5, 6, 0, 2, 4, 7}, + {0, 2, 4, 7, 1, 3, 5, 6}, + {3, 0, 4, 6, 1, 2, 5, 7}, + {0, 3, 5, 7, 1, 2, 4, 6}, + {2, 3, 5, 7, 1, 0, 4, 6}, + {0, 2, 5, 4, 1, 3, 6, 7}, + {2, 3, 4, 7, 0, 1, 5, 6} +}; + +#endif /* __DDR3_PATTERNS_64_H */ diff --git a/drivers/ddr/mvebu/ddr3_pbs.c b/drivers/ddr/mvebu/ddr3_pbs.c new file mode 100644 index 0000000..00ea3fd --- /dev/null +++ b/drivers/ddr/mvebu/ddr3_pbs.c @@ -0,0 +1,1592 @@ +/* + * Copyright (C) Marvell International Ltd. and its affiliates + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#include <common.h> +#include <i2c.h> +#include <spl.h> +#include <asm/io.h> +#include <asm/arch/cpu.h> +#include <asm/arch/soc.h> + +#include "ddr3_hw_training.h" + +/* + * Debug + */ +#define DEBUG_PBS_FULL_C(s, d, l) \ + DEBUG_PBS_FULL_S(s); DEBUG_PBS_FULL_D(d, l); DEBUG_PBS_FULL_S("\n") +#define DEBUG_PBS_C(s, d, l) \ + DEBUG_PBS_S(s); DEBUG_PBS_D(d, l); DEBUG_PBS_S("\n") + +#ifdef MV_DEBUG_PBS +#define DEBUG_PBS_S(s) puts(s) +#define DEBUG_PBS_D(d, l) printf("%x", d) +#else +#define DEBUG_PBS_S(s) +#define DEBUG_PBS_D(d, l) +#endif + +#ifdef MV_DEBUG_FULL_PBS +#define DEBUG_PBS_FULL_S(s) puts(s) +#define DEBUG_PBS_FULL_D(d, l) printf("%x", d) +#else +#define DEBUG_PBS_FULL_S(s) +#define DEBUG_PBS_FULL_D(d, l) +#endif + +#if defined(MV88F78X60) || defined(MV88F672X) + +/* Temp array for skew data storage */ +static u32 skew_array[(MAX_PUP_NUM) * DQ_NUM] = { 0 }; + +/* PBS locked dq (per pup) */ +extern u32 pbs_locked_dq[MAX_PUP_NUM][DQ_NUM]; +extern u32 pbs_locked_dm[MAX_PUP_NUM]; +extern u32 pbs_locked_value[MAX_PUP_NUM][DQ_NUM]; + +#if defined(MV88F672X) +extern u32 pbs_pattern[2][LEN_16BIT_PBS_PATTERN]; +extern u32 pbs_pattern_32b[2][LEN_PBS_PATTERN]; +#else +extern u32 pbs_pattern_32b[2][LEN_PBS_PATTERN]; +extern u32 pbs_pattern_64b[2][LEN_PBS_PATTERN]; +#endif + +extern u32 pbs_dq_mapping[PUP_NUM_64BIT + 1][DQ_NUM]; + +static int ddr3_tx_shift_dqs_adll_step_before_fail(MV_DRAM_INFO *dram_info, + u32 cur_pup, u32 pbs_pattern_idx, u32 ecc); +static int ddr3_rx_shift_dqs_to_first_fail(MV_DRAM_INFO *dram_info, u32 cur_pup, + u32 pbs_pattern_idx, u32 ecc); +static int ddr3_pbs_per_bit(MV_DRAM_INFO *dram_info, int *start_over, int is_tx, + u32 *pcur_pup, u32 pbs_pattern_idx, u32 ecc); +static int ddr3_set_pbs_results(MV_DRAM_INFO *dram_info, int is_tx); +static void ddr3_pbs_write_pup_dqs_reg(u32 cs, u32 pup, u32 dqs_delay); + +/* + * Name: ddr3_pbs_tx + * Desc: Execute the PBS TX phase. + * Args: dram_info ddr3 training information struct + * Notes: + * Returns: MV_OK if success, other error code if fail. + */ +int ddr3_pbs_tx(MV_DRAM_INFO *dram_info) +{ + /* Array of Deskew results */ + + /* + * Array to hold the total sum of skew from all iterations + * (for average purpose) + */ + u32 skew_sum_array[MAX_PUP_NUM][DQ_NUM] = { {0} }; + + /* + * Array to hold the total average skew from both patterns + * (for average purpose) + */ + u32 pattern_skew_array[MAX_PUP_NUM][DQ_NUM] = { {0} }; + + u32 pbs_rep_time = 0; /* counts number of loop in case of fail */ + /* bit array for unlock pups - used to repeat on the RX operation */ + u32 cur_pup; + u32 max_pup; + u32 pbs_retry; + u32 pup, dq, pups, cur_max_pup, valid_pup, reg; + u32 pattern_idx; + u32 ecc; + /* indicates whether we need to start the loop again */ + int start_over; + + DEBUG_PBS_S("DDR3 - PBS TX - Starting PBS TX procedure\n"); + + pups = dram_info->num_of_total_pups; + max_pup = dram_info->num_of_total_pups; + + /* Enable SW override */ + reg = reg_read(REG_DRAM_TRAINING_2_ADDR) | + (1 << REG_DRAM_TRAINING_2_SW_OVRD_OFFS); + /* [0] = 1 - Enable SW override */ + /* 0x15B8 - Training SW 2 Register */ + reg_write(REG_DRAM_TRAINING_2_ADDR, reg); + DEBUG_PBS_S("DDR3 - PBS RX - SW Override Enabled\n"); + + reg = 1 << REG_DRAM_TRAINING_AUTO_OFFS; + reg_write(REG_DRAM_TRAINING_ADDR, reg); /* 0x15B0 - Training Register */ + + /* Running twice for 2 different patterns. each patterns - 3 times */ + for (pattern_idx = 0; pattern_idx < COUNT_PBS_PATTERN; pattern_idx++) { + DEBUG_PBS_C("DDR3 - PBS TX - Working with pattern - ", + pattern_idx, 1); + + /* Reset sum array */ + for (pup = 0; pup < pups; pup++) { + for (dq = 0; dq < DQ_NUM; dq++) + skew_sum_array[pup][dq] = 0; + } + + /* + * Perform PBS several of times (3 for each pattern). + * At the end, we'll use the average + */ + /* If there is ECC, do each PBS again with mux change */ + for (pbs_retry = 0; pbs_retry < COUNT_PBS_REPEAT; pbs_retry++) { + for (ecc = 0; ecc < (dram_info->ecc_ena + 1); ecc++) { + + /* + * This parameter stores the current PUP + * num - ecc mode dependent - 4-8 / 1 pups + */ + cur_max_pup = (1 - ecc) * + dram_info->num_of_std_pups + ecc; + + if (ecc) { + /* Only 1 pup in this case */ + valid_pup = 0x1; + } else if (cur_max_pup > 4) { + /* 64 bit - 8 pups */ + valid_pup = 0xFF; + } else if (cur_max_pup == 4) { + /* 32 bit - 4 pups */ + valid_pup = 0xF; + } else { + /* 16 bit - 2 pups */ + valid_pup = 0x3; + } + + /* ECC Support - Switch ECC Mux on ecc=1 */ + reg = reg_read(REG_DRAM_TRAINING_2_ADDR) & + ~(1 << REG_DRAM_TRAINING_2_ECC_MUX_OFFS); + reg |= (dram_info->ecc_ena * ecc << + REG_DRAM_TRAINING_2_ECC_MUX_OFFS); + reg_write(REG_DRAM_TRAINING_2_ADDR, reg); + + if (ecc) + DEBUG_PBS_S("DDR3 - PBS Tx - ECC Mux Enabled\n"); + else + DEBUG_PBS_S("DDR3 - PBS Tx - ECC Mux Disabled\n"); + + /* Init iteration values */ + /* Clear the locked DQs */ + for (pup = 0; pup < cur_max_pup; pup++) { + for (dq = 0; dq < DQ_NUM; dq++) { + pbs_locked_dq[ + pup + ecc * + (max_pup - 1)][dq] = + 0; + } + } + + pbs_rep_time = 0; + cur_pup = valid_pup; + start_over = 0; + + /* + * Run loop On current Pattern and current + * pattern iteration (just to cover the false + * fail problem) + */ + do { + DEBUG_PBS_S("DDR3 - PBS Tx - Pbs Rep Loop is "); + DEBUG_PBS_D(pbs_rep_time, 1); + DEBUG_PBS_S(", for Retry No."); + DEBUG_PBS_D(pbs_retry, 1); + DEBUG_PBS_S("\n"); + + /* Set all PBS values to MIN (0) */ + DEBUG_PBS_S("DDR3 - PBS Tx - Set all PBS values to MIN\n"); + + for (dq = 0; dq < DQ_NUM; dq++) { + ddr3_write_pup_reg( + PUP_PBS_TX + + pbs_dq_mapping[pup * + (1 - ecc) + + ecc * ECC_PUP] + [dq], CS0, (1 - ecc) * + PUP_BC + ecc * ECC_PUP, 0, + 0); + } + + /* + * Shift DQ ADLL right, One step before + * fail + */ + DEBUG_PBS_S("DDR3 - PBS Tx - ADLL shift right one phase before fail\n"); + + if (MV_OK != ddr3_tx_shift_dqs_adll_step_before_fail + (dram_info, cur_pup, pattern_idx, + ecc)) + return MV_DDR3_TRAINING_ERR_PBS_ADLL_SHR_1PHASE; + + /* PBS For each bit */ + DEBUG_PBS_S("DDR3 - PBS Tx - perform PBS for each bit\n"); + + /* + * In this stage - start_over = 0 + */ + if (MV_OK != ddr3_pbs_per_bit( + dram_info, &start_over, 1, + &cur_pup, pattern_idx, ecc)) + return MV_DDR3_TRAINING_ERR_PBS_TX_PER_BIT; + + } while ((start_over == 1) && + (++pbs_rep_time < COUNT_PBS_STARTOVER)); + + if (pbs_rep_time == COUNT_PBS_STARTOVER && + start_over == 1) { + DEBUG_PBS_S("DDR3 - PBS Tx - FAIL - Adll reach max value\n"); + return MV_DDR3_TRAINING_ERR_PBS_TX_MAX_VAL; + } + + DEBUG_PBS_FULL_C("DDR3 - PBS TX - values for iteration - ", + pbs_retry, 1); + for (pup = 0; pup < cur_max_pup; pup++) { + /* + * To minimize delay elements, inc + * from pbs value the min pbs val + */ + DEBUG_PBS_S("DDR3 - PBS - PUP"); + DEBUG_PBS_D((pup + (ecc * ECC_PUP)), 1); + DEBUG_PBS_S(": "); + + for (dq = 0; dq < DQ_NUM; dq++) { + /* Set skew value for all dq */ + /* + * Bit# Deskew <- Bit# Deskew - + * last / first failing bit + * Deskew For all bits (per PUP) + * (minimize delay elements) + */ + DEBUG_PBS_S("DQ"); + DEBUG_PBS_D(dq, 1); + DEBUG_PBS_S("-"); + DEBUG_PBS_D(skew_array + [((pup) * DQ_NUM) + + dq], 2); + DEBUG_PBS_S(", "); + } + DEBUG_PBS_S("\n"); + } + + /* + * Collect the results we got on this trial + * of PBS + */ + for (pup = 0; pup < cur_max_pup; pup++) { + for (dq = 0; dq < DQ_NUM; dq++) { + skew_sum_array[pup + (ecc * (max_pup - 1))] + [dq] += skew_array + [((pup) * DQ_NUM) + dq]; + } + } + + /* ECC Support - Disable ECC MUX */ + reg = reg_read(REG_DRAM_TRAINING_2_ADDR) & + ~(1 << REG_DRAM_TRAINING_2_ECC_MUX_OFFS); + reg_write(REG_DRAM_TRAINING_2_ADDR, reg); + } + } + + DEBUG_PBS_C("DDR3 - PBS TX - values for current pattern - ", + pattern_idx, 1); + for (pup = 0; pup < max_pup; pup++) { + /* + * To minimize delay elements, inc from pbs value the + * min pbs val + */ + DEBUG_PBS_S("DDR3 - PBS - PUP"); + DEBUG_PBS_D(pup, 1); + DEBUG_PBS_S(": "); + + for (dq = 0; dq < DQ_NUM; dq++) { + /* set skew value for all dq */ + /* Bit# Deskew <- Bit# Deskew - last / first failing bit Deskew For all bits (per PUP) (minimize delay elements) */ + DEBUG_PBS_S("DQ"); + DEBUG_PBS_D(dq, 1); + DEBUG_PBS_S("-"); + DEBUG_PBS_D(skew_sum_array[pup][dq] / + COUNT_PBS_REPEAT, 2); + DEBUG_PBS_S(", "); + } + DEBUG_PBS_S("\n"); + } + + /* + * Calculate the average skew for current pattern for each + * pup and each bit + */ + DEBUG_PBS_C("DDR3 - PBS TX - Average for pattern - ", + pattern_idx, 1); + + for (pup = 0; pup < max_pup; pup++) { + /* + * FOR ECC only :: found min and max value for current + * pattern skew array + */ + /* Loop for all dqs */ + for (dq = 0; dq < DQ_NUM; dq++) { + pattern_skew_array[pup][dq] += + (skew_sum_array[pup][dq] / + COUNT_PBS_REPEAT); + } + } + } + + /* Calculate the average skew */ + for (pup = 0; pup < max_pup; pup++) { + for (dq = 0; dq < DQ_NUM; dq++) + skew_array[((pup) * DQ_NUM) + dq] = + pattern_skew_array[pup][dq] / COUNT_PBS_PATTERN; + } + + DEBUG_PBS_S("DDR3 - PBS TX - Average for all patterns:\n"); + for (pup = 0; pup < max_pup; pup++) { + /* + * To minimize delay elements, inc from pbs value the min + * pbs val + */ + DEBUG_PBS_S("DDR3 - PBS - PUP"); + DEBUG_PBS_D(pup, 1); + DEBUG_PBS_S(": "); + + for (dq = 0; dq < DQ_NUM; dq++) { + /* Set skew value for all dq */ + /* + * Bit# Deskew <- Bit# Deskew - last / first + * failing bit Deskew For all bits (per PUP) + * (minimize delay elements) + */ + DEBUG_PBS_S("DQ"); + DEBUG_PBS_D(dq, 1); + DEBUG_PBS_S("-"); + DEBUG_PBS_D(skew_array[(pup * DQ_NUM) + dq], 2); + DEBUG_PBS_S(", "); + } + DEBUG_PBS_S("\n"); + } + + /* Return ADLL to default value */ + for (pup = 0; pup < max_pup; pup++) { + if (pup == (max_pup - 1) && dram_info->ecc_ena) + pup = ECC_PUP; + ddr3_pbs_write_pup_dqs_reg(CS0, pup, INIT_WL_DELAY); + } + + /* Set averaged PBS results */ + ddr3_set_pbs_results(dram_info, 1); + + /* Disable SW override - Must be in a different stage */ + /* [0]=0 - Enable SW override */ + reg = reg_read(REG_DRAM_TRAINING_2_ADDR); + reg &= ~(1 << REG_DRAM_TRAINING_2_SW_OVRD_OFFS); + /* 0x15B8 - Training SW 2 Register */ + reg_write(REG_DRAM_TRAINING_2_ADDR, reg); + + reg = reg_read(REG_DRAM_TRAINING_1_ADDR) | + (1 << REG_DRAM_TRAINING_1_TRNBPOINT_OFFS); + reg_write(REG_DRAM_TRAINING_1_ADDR, reg); + + DEBUG_PBS_S("DDR3 - PBS Tx - PBS TX ended successfuly\n"); + + return MV_OK; +} + +/* + * Name: ddr3_tx_shift_dqs_adll_step_before_fail + * Desc: Execute the Tx shift DQ phase. + * Args: dram_info ddr3 training information struct + * cur_pup bit array of the function active pups. + * pbs_pattern_idx Index of PBS pattern + * Notes: + * Returns: MV_OK if success, other error code if fail. + */ +static int ddr3_tx_shift_dqs_adll_step_before_fail(MV_DRAM_INFO *dram_info, + u32 cur_pup, + u32 pbs_pattern_idx, u32 ecc) +{ + u32 unlock_pup; /* bit array of unlock pups */ + u32 new_lockup_pup; /* bit array of compare failed pups */ + u32 adll_val = 4; /* INIT_WL_DELAY */ + u32 cur_max_pup, pup; + u32 dqs_dly_set[MAX_PUP_NUM] = { 0 }; + u32 *pattern_ptr; + + /* Choose pattern */ + switch (dram_info->ddr_width) { +#if defined(MV88F672X) + case 16: + pattern_ptr = (u32 *)&pbs_pattern[pbs_pattern_idx]; + break; +#endif + case 32: + pattern_ptr = (u32 *)&pbs_pattern_32b[pbs_pattern_idx]; + break; +#if defined(MV88F78X60) + case 64: + pattern_ptr = (u32 *)&pbs_pattern_64b[pbs_pattern_idx]; + break; +#endif + default: + return MV_FAIL; + } + + /* Set current pup number */ + if (cur_pup == 0x1) /* Ecc mode */ + cur_max_pup = 1; + else + cur_max_pup = dram_info->num_of_std_pups; + + unlock_pup = cur_pup; /* '1' for each unlocked pup */ + + /* Loop on all ADLL Vaules */ + do { + /* Loop until found first fail */ + adll_val++; + + /* + * Increment (Move to right - ADLL) DQ TX delay + * (broadcast to all Data PUPs) + */ + for (pup = 0; pup < cur_max_pup; pup++) + ddr3_pbs_write_pup_dqs_reg(CS0, + pup * (1 - ecc) + + ECC_PUP * ecc, adll_val); + + /* + * Write and Read, compare results (read was already verified) + */ + /* 0 - all locked */ + new_lockup_pup = 0; + + if (MV_OK != ddr3_sdram_compare(dram_info, unlock_pup, + &new_lockup_pup, + pattern_ptr, LEN_PBS_PATTERN, + SDRAM_PBS_TX_OFFS, 1, 0, + NULL, + 0)) + return MV_FAIL; + + unlock_pup &= ~new_lockup_pup; + + DEBUG_PBS_FULL_S("Shift DQS by 2 steps for PUPs: "); + DEBUG_PBS_FULL_D(unlock_pup, 2); + DEBUG_PBS_FULL_C(", Set ADLL value = ", adll_val, 2); + + /* If any PUP failed there is '1' to mark the PUP */ + if (new_lockup_pup != 0) { + /* + * Decrement (Move Back to Left two steps - ADLL) + * DQ TX delay for current failed pups and save + */ + for (pup = 0; pup < cur_max_pup; pup++) { + if (((new_lockup_pup >> pup) & 0x1) && + dqs_dly_set[pup] == 0) + dqs_dly_set[pup] = adll_val - 1; + } + } + } while ((unlock_pup != 0) && (adll_val != ADLL_MAX)); + + if (unlock_pup != 0) { + DEBUG_PBS_FULL_S("DDR3 - PBS Tx - Shift DQ - Adll value reached maximum\n"); + + for (pup = 0; pup < cur_max_pup; pup++) { + if (((unlock_pup >> pup) & 0x1) && + dqs_dly_set[pup] == 0) + dqs_dly_set[pup] = adll_val - 1; + } + } + + DEBUG_PBS_FULL_C("PBS TX one step before fail last pups locked Adll ", + adll_val - 2, 2); + + /* Set the PUP DQS DLY Values */ + for (pup = 0; pup < cur_max_pup; pup++) + ddr3_pbs_write_pup_dqs_reg(CS0, pup * (1 - ecc) + ECC_PUP * ecc, + dqs_dly_set[pup]); + + /* Found one phase before fail */ + return MV_OK; +} + +/* + * Name: ddr3_pbs_rx + * Desc: Execute the PBS RX phase. + * Args: dram_info ddr3 training information struct + * Notes: + * Returns: MV_OK if success, other error code if fail. + */ +int ddr3_pbs_rx(MV_DRAM_INFO *dram_info) +{ + /* + * Array to hold the total sum of skew from all iterations + * (for average purpose) + */ + u32 skew_sum_array[MAX_PUP_NUM][DQ_NUM] = { {0} }; + + /* + * Array to hold the total average skew from both patterns + * (for average purpose) + */ + u32 pattern_skew_array[MAX_PUP_NUM][DQ_NUM] = { {0} }; + + u32 pbs_rep_time = 0; /* counts number of loop in case of fail */ + /* bit array for unlock pups - used to repeat on the RX operation */ + u32 cur_pup; + u32 max_pup; + u32 pbs_retry; + u32 pup, dq, pups, cur_max_pup, valid_pup, reg; + u32 pattern_idx; + u32 ecc; + /* indicates whether we need to start the loop again */ + int start_over; + int status; + + DEBUG_PBS_S("DDR3 - PBS RX - Starting PBS RX procedure\n"); + + pups = dram_info->num_of_total_pups; + max_pup = dram_info->num_of_total_pups; + + /* Enable SW override */ + reg = reg_read(REG_DRAM_TRAINING_2_ADDR) | + (1 << REG_DRAM_TRAINING_2_SW_OVRD_OFFS); + /* [0] = 1 - Enable SW override */ + /* 0x15B8 - Training SW 2 Register */ + reg_write(REG_DRAM_TRAINING_2_ADDR, reg); + DEBUG_PBS_FULL_S("DDR3 - PBS RX - SW Override Enabled\n"); + + reg = 1 << REG_DRAM_TRAINING_AUTO_OFFS; + reg_write(REG_DRAM_TRAINING_ADDR, reg); /* 0x15B0 - Training Register */ + + /* Running twice for 2 different patterns. each patterns - 3 times */ + for (pattern_idx = 0; pattern_idx < COUNT_PBS_PATTERN; pattern_idx++) { + DEBUG_PBS_FULL_C("DDR3 - PBS RX - Working with pattern - ", + pattern_idx, 1); + + /* Reset sum array */ + for (pup = 0; pup < pups; pup++) { + for (dq = 0; dq < DQ_NUM; dq++) + skew_sum_array[pup][dq] = 0; + } + + /* + * Perform PBS several of times (3 for each pattern). + * At the end, we'll use the average + */ + /* If there is ECC, do each PBS again with mux change */ + for (pbs_retry = 0; pbs_retry < COUNT_PBS_REPEAT; pbs_retry++) { + for (ecc = 0; ecc < (dram_info->ecc_ena + 1); ecc++) { + /* + * This parameter stores the current PUP + * num - ecc mode dependent - 4-8 / 1 pups + */ + cur_max_pup = (1 - ecc) * + dram_info->num_of_std_pups + ecc; + + if (ecc) { + /* Only 1 pup in this case */ + valid_pup = 0x1; + } else if (cur_max_pup > 4) { + /* 64 bit - 8 pups */ + valid_pup = 0xFF; + } else if (cur_max_pup == 4) { + /* 32 bit - 4 pups */ + valid_pup = 0xF; + } else { + /* 16 bit - 2 pups */ + valid_pup = 0x3; + } + + /* ECC Support - Switch ECC Mux on ecc=1 */ + reg = reg_read(REG_DRAM_TRAINING_2_ADDR) & + ~(1 << REG_DRAM_TRAINING_2_ECC_MUX_OFFS); + reg |= (dram_info->ecc_ena * ecc << + REG_DRAM_TRAINING_2_ECC_MUX_OFFS); + reg_write(REG_DRAM_TRAINING_2_ADDR, reg); + + if (ecc) + DEBUG_PBS_FULL_S("DDR3 - PBS Rx - ECC Mux Enabled\n"); + else + DEBUG_PBS_FULL_S("DDR3 - PBS Rx - ECC Mux Disabled\n"); + + /* Init iteration values */ + /* Clear the locked DQs */ + for (pup = 0; pup < cur_max_pup; pup++) { + for (dq = 0; dq < DQ_NUM; dq++) { + pbs_locked_dq[ + pup + ecc * (max_pup - 1)][dq] = + 0; + } + } + + pbs_rep_time = 0; + cur_pup = valid_pup; + start_over = 0; + + /* + * Run loop On current Pattern and current + * pattern iteration (just to cover the false + * fail problem + */ + do { + DEBUG_PBS_FULL_S("DDR3 - PBS Rx - Pbs Rep Loop is "); + DEBUG_PBS_FULL_D(pbs_rep_time, 1); + DEBUG_PBS_FULL_S(", for Retry No."); + DEBUG_PBS_FULL_D(pbs_retry, 1); + DEBUG_PBS_FULL_S("\n"); + + /* Set all PBS values to MAX (31) */ + for (pup = 0; pup < cur_max_pup; pup++) { + for (dq = 0; dq < DQ_NUM; dq++) + ddr3_write_pup_reg( + PUP_PBS_RX + + pbs_dq_mapping[ + pup * (1 - ecc) + + ecc * ECC_PUP] + [dq], CS0, + pup + ecc * ECC_PUP, + 0, MAX_PBS); + } + + /* Set all DQS PBS values to MIN (0) */ + for (pup = 0; pup < cur_max_pup; pup++) { + ddr3_write_pup_reg(PUP_PBS_RX + + DQ_NUM, CS0, + pup + + ecc * + ECC_PUP, 0, + 0); + } + + /* Shift DQS, To first Fail */ + DEBUG_PBS_FULL_S("DDR3 - PBS Rx - Shift RX DQS to first fail\n"); + + status = ddr3_rx_shift_dqs_to_first_fail + (dram_info, cur_pup, + pattern_idx, ecc); + if (MV_OK != status) { + DEBUG_PBS_S("DDR3 - PBS Rx - ddr3_rx_shift_dqs_to_first_fail failed.\n"); + DEBUG_PBS_D(status, 8); + DEBUG_PBS_S("\nDDR3 - PBS Rx - SKIP.\n"); + + /* Reset read FIFO */ + reg = reg_read(REG_DRAM_TRAINING_ADDR); + /* Start Auto Read Leveling procedure */ + reg |= (1 << REG_DRAM_TRAINING_RL_OFFS); + /* 0x15B0 - Training Register */ + reg_write(REG_DRAM_TRAINING_ADDR, reg); + + reg = reg_read(REG_DRAM_TRAINING_2_ADDR); + reg |= ((1 << REG_DRAM_TRAINING_2_FIFO_RST_OFFS) + + (1 << REG_DRAM_TRAINING_2_SW_OVRD_OFFS)); + /* [0] = 1 - Enable SW override, [4] = 1 - FIFO reset */ + /* 0x15B8 - Training SW 2 Register */ + reg_write(REG_DRAM_TRAINING_2_ADDR, reg); + + do { + reg = (reg_read(REG_DRAM_TRAINING_2_ADDR)) + & (1 << REG_DRAM_TRAINING_2_FIFO_RST_OFFS); + } while (reg); /* Wait for '0' */ + + reg = reg_read(REG_DRAM_TRAINING_ADDR); + /* Clear Auto Read Leveling procedure */ + reg &= ~(1 << REG_DRAM_TRAINING_RL_OFFS); + /* 0x15B0 - Training Register */ + reg_write(REG_DRAM_TRAINING_ADDR, reg); + + /* Set ADLL to 15 */ + for (pup = 0; pup < max_pup; + pup++) { + ddr3_write_pup_reg + (PUP_DQS_RD, CS0, + pup + + (ecc * ECC_PUP), 0, + 15); + } + + /* Set all PBS values to MIN (0) */ + for (pup = 0; pup < cur_max_pup; + pup++) { + for (dq = 0; + dq < DQ_NUM; dq++) + ddr3_write_pup_reg + (PUP_PBS_RX + + pbs_dq_mapping + [pup * (1 - ecc) + + ecc * ECC_PUP] + [dq], CS0, + pup + ecc * ECC_PUP, + 0, MIN_PBS); + } + + return MV_OK; + } + + /* PBS For each bit */ + DEBUG_PBS_FULL_S("DDR3 - PBS Rx - perform PBS for each bit\n"); + /* in this stage - start_over = 0; */ + if (MV_OK != ddr3_pbs_per_bit( + dram_info, &start_over, + 0, &cur_pup, + pattern_idx, ecc)) { + DEBUG_PBS_S("DDR3 - PBS Rx - ddr3_pbs_per_bit failed."); + return MV_DDR3_TRAINING_ERR_PBS_RX_PER_BIT; + } + + } while ((start_over == 1) && + (++pbs_rep_time < COUNT_PBS_STARTOVER)); + + if (pbs_rep_time == COUNT_PBS_STARTOVER && + start_over == 1) { + DEBUG_PBS_FULL_S("DDR3 - PBS Rx - FAIL - Algorithm failed doing RX PBS\n"); + return MV_DDR3_TRAINING_ERR_PBS_RX_MAX_VAL; + } + + /* Return DQS ADLL to default value - 15 */ + /* Set all DQS PBS values to MIN (0) */ + for (pup = 0; pup < cur_max_pup; pup++) + ddr3_write_pup_reg(PUP_DQS_RD, CS0, + pup + ecc * ECC_PUP, + 0, INIT_RL_DELAY); + + DEBUG_PBS_FULL_C("DDR3 - PBS RX - values for iteration - ", + pbs_retry, 1); + for (pup = 0; pup < cur_max_pup; pup++) { + /* + * To minimize delay elements, inc from + * pbs value the min pbs val + */ + DEBUG_PBS_FULL_S("DDR3 - PBS - PUP"); + DEBUG_PBS_FULL_D((pup + + (ecc * ECC_PUP)), 1); + DEBUG_PBS_FULL_S(": "); + + for (dq = 0; dq < DQ_NUM; dq++) { + /* Set skew value for all dq */ + /* + * Bit# Deskew <- Bit# Deskew - + * last / first failing bit + * Deskew For all bits (per PUP) + * (minimize delay elements) + */ + DEBUG_PBS_FULL_S("DQ"); + DEBUG_PBS_FULL_D(dq, 1); + DEBUG_PBS_FULL_S("-"); + DEBUG_PBS_FULL_D(skew_array + [((pup) * + DQ_NUM) + + dq], 2); + DEBUG_PBS_FULL_S(", "); + } + DEBUG_PBS_FULL_S("\n"); + } + + /* + * Collect the results we got on this trial + * of PBS + */ + for (pup = 0; pup < cur_max_pup; pup++) { + for (dq = 0; dq < DQ_NUM; dq++) { + skew_sum_array + [pup + (ecc * (max_pup - 1))] + [dq] += + skew_array[((pup) * DQ_NUM) + dq]; + } + } + + /* ECC Support - Disable ECC MUX */ + reg = reg_read(REG_DRAM_TRAINING_2_ADDR) & + ~(1 << REG_DRAM_TRAINING_2_ECC_MUX_OFFS); + reg_write(REG_DRAM_TRAINING_2_ADDR, reg); + } + } + + /* + * Calculate the average skew for current pattern for each + * pup and each bit + */ + DEBUG_PBS_FULL_C("DDR3 - PBS RX - Average for pattern - ", + pattern_idx, 1); + for (pup = 0; pup < max_pup; pup++) { + /* + * FOR ECC only :: found min and max value for + * current pattern skew array + */ + /* Loop for all dqs */ + for (dq = 0; dq < DQ_NUM; dq++) { + pattern_skew_array[pup][dq] += + (skew_sum_array[pup][dq] / + COUNT_PBS_REPEAT); + } + } + + DEBUG_PBS_C("DDR3 - PBS RX - values for current pattern - ", + pattern_idx, 1); + for (pup = 0; pup < max_pup; pup++) { + /* + * To minimize delay elements, inc from pbs value the + * min pbs val + */ + DEBUG_PBS_S("DDR3 - PBS RX - PUP"); + DEBUG_PBS_D(pup, 1); + DEBUG_PBS_S(": "); + + for (dq = 0; dq < DQ_NUM; dq++) { + /* Set skew value for all dq */ + /* + * Bit# Deskew <- Bit# Deskew - last / first + * failing bit Deskew For all bits (per PUP) + * (minimize delay elements) + */ + DEBUG_PBS_S("DQ"); + DEBUG_PBS_D(dq, 1); + DEBUG_PBS_S("-"); + DEBUG_PBS_D(skew_sum_array[pup][dq] / + COUNT_PBS_REPEAT, 2); + DEBUG_PBS_S(", "); + } + DEBUG_PBS_S("\n"); + } + } + + /* Calculate the average skew */ + for (pup = 0; pup < max_pup; pup++) { + for (dq = 0; dq < DQ_NUM; dq++) + skew_array[((pup) * DQ_NUM) + dq] = + pattern_skew_array[pup][dq] / COUNT_PBS_PATTERN; + } + + DEBUG_PBS_S("DDR3 - PBS RX - Average for all patterns:\n"); + for (pup = 0; pup < max_pup; pup++) { + /* + * To minimize delay elements, inc from pbs value the + * min pbs val + */ + DEBUG_PBS_S("DDR3 - PBS - PUP"); + DEBUG_PBS_D(pup, 1); + DEBUG_PBS_S(": "); + + for (dq = 0; dq < DQ_NUM; dq++) { + /* Set skew value for all dq */ + /* + * Bit# Deskew <- Bit# Deskew - last / first + * failing bit Deskew For all bits (per PUP) + * (minimize delay elements) + */ + DEBUG_PBS_S("DQ"); + DEBUG_PBS_D(dq, 1); + DEBUG_PBS_S("-"); + DEBUG_PBS_D(skew_array[(pup * DQ_NUM) + dq], 2); + DEBUG_PBS_S(", "); + } + DEBUG_PBS_S("\n"); + } + + /* Return ADLL to default value */ + ddr3_write_pup_reg(PUP_DQS_RD, CS0, PUP_BC, 0, INIT_RL_DELAY); + + /* Set averaged PBS results */ + ddr3_set_pbs_results(dram_info, 0); + + /* Disable SW override - Must be in a different stage */ + /* [0]=0 - Enable SW override */ + reg = reg_read(REG_DRAM_TRAINING_2_ADDR); + reg &= ~(1 << REG_DRAM_TRAINING_2_SW_OVRD_OFFS); + /* 0x15B8 - Training SW 2 Register */ + reg_write(REG_DRAM_TRAINING_2_ADDR, reg); + + reg = reg_read(REG_DRAM_TRAINING_1_ADDR) | + (1 << REG_DRAM_TRAINING_1_TRNBPOINT_OFFS); + reg_write(REG_DRAM_TRAINING_1_ADDR, reg); + + DEBUG_PBS_FULL_S("DDR3 - PBS RX - ended successfuly\n"); + + return MV_OK; +} + +/* + * Name: ddr3_rx_shift_dqs_to_first_fail + * Desc: Execute the Rx shift DQ phase. + * Args: dram_info ddr3 training information struct + * cur_pup bit array of the function active pups. + * pbs_pattern_idx Index of PBS pattern + * Notes: + * Returns: MV_OK if success, other error code if fail. + */ +static int ddr3_rx_shift_dqs_to_first_fail(MV_DRAM_INFO *dram_info, u32 cur_pup, + u32 pbs_pattern_idx, u32 ecc) +{ + u32 unlock_pup; /* bit array of unlock pups */ + u32 new_lockup_pup; /* bit array of compare failed pups */ + u32 adll_val = MAX_DELAY; + u32 dqs_deskew_val = 0; /* current value of DQS PBS deskew */ + u32 cur_max_pup, pup, pass_pup; + u32 *pattern_ptr; + + /* Choose pattern */ + switch (dram_info->ddr_width) { +#if defined(MV88F672X) + case 16: + pattern_ptr = (u32 *)&pbs_pattern[pbs_pattern_idx]; + break; +#endif + case 32: + pattern_ptr = (u32 *)&pbs_pattern_32b[pbs_pattern_idx]; + break; +#if defined(MV88F78X60) + case 64: + pattern_ptr = (u32 *)&pbs_pattern_64b[pbs_pattern_idx]; + break; +#endif + default: + return MV_FAIL; + } + + /* Set current pup number */ + if (cur_pup == 0x1) /* Ecc mode */ + cur_max_pup = 1; + else + cur_max_pup = dram_info->num_of_std_pups; + + unlock_pup = cur_pup; /* '1' for each unlocked pup */ + + DEBUG_PBS_FULL_S("DDR3 - PBS RX - Shift DQS - Starting...\n"); + + /* Set DQS ADLL to MAX */ + DEBUG_PBS_FULL_S("DDR3 - PBS RX - Shift DQS - Set DQS ADLL to Max for all PUPs\n"); + for (pup = 0; pup < cur_max_pup; pup++) + ddr3_write_pup_reg(PUP_DQS_RD, CS0, pup + ecc * ECC_PUP, 0, + MAX_DELAY); + + /* Loop on all ADLL Vaules */ + do { + /* Loop until found fail for all pups */ + new_lockup_pup = 0; + if (MV_OK != ddr3_sdram_compare(dram_info, unlock_pup, + &new_lockup_pup, + pattern_ptr, LEN_PBS_PATTERN, + SDRAM_PBS_I_OFFS + + pbs_pattern_idx * SDRAM_PBS_NEXT_OFFS, + 0, 0, NULL, 0)) { + DEBUG_PBS_S("DDR3 - PBS Rx - Shift DQS - MV_DDR3_TRAINING_ERR_PBS_SHIFT_QDS_SRAM_CMP(ddr3_sdram_compare)\n"); + return MV_DDR3_TRAINING_ERR_PBS_SHIFT_QDS_SRAM_CMP; + } + + if ((new_lockup_pup != 0) && (dqs_deskew_val <= 1)) { + /* Fail on start with first deskew value */ + /* Decrement DQS ADLL */ + --adll_val; + if (adll_val == ADLL_MIN) { + DEBUG_PBS_S("DDR3 - PBS Rx - Shift DQS - fail on start with first deskew value\n"); + return MV_DDR3_TRAINING_ERR_PBS_SHIFT_QDS_SRAM_CMP; + } + ddr3_write_pup_reg(PUP_DQS_RD, CS0, pup + ecc * ECC_PUP, + 0, adll_val); + continue; + } + + /* Update all new locked pups */ + unlock_pup &= ~new_lockup_pup; + + if ((unlock_pup == 0) || (dqs_deskew_val == MAX_PBS)) { + if (dqs_deskew_val == MAX_PBS) { + /* + * Reach max value of dqs deskew or get fail + * for all pups + */ + DEBUG_PBS_FULL_S("DDR3 - PBS RX - Shift DQS - DQS deskew reached maximum value\n"); + } + break; + } + + DEBUG_PBS_FULL_S("DDR3 - PBS RX - Shift DQS - Inc DQS deskew for PUPs: "); + DEBUG_PBS_FULL_D(unlock_pup, 2); + DEBUG_PBS_FULL_C(", deskew = ", dqs_deskew_val, 2); + + /* Increment DQS deskew elements - Only for unlocked pups */ + dqs_deskew_val++; + for (pup = 0; pup < cur_max_pup; pup++) { + if (IS_PUP_ACTIVE(unlock_pup, pup) == 1) { + ddr3_write_pup_reg(PUP_PBS_RX + DQS_DQ_NUM, CS0, + pup + ecc * ECC_PUP, 0, + dqs_deskew_val); + } + } + } while (1); + + DEBUG_PBS_FULL_S("DDR3 - PBS RX - Shift DQS - ADLL shift one step before fail\n"); + /* Continue to ADLL shift one step before fail */ + unlock_pup = cur_pup; + do { + /* Loop until pass compare for all pups */ + new_lockup_pup = 0; + /* Read and compare results */ + if (MV_OK != ddr3_sdram_compare(dram_info, unlock_pup, &new_lockup_pup, + pattern_ptr, LEN_PBS_PATTERN, + SDRAM_PBS_I_OFFS + + pbs_pattern_idx * SDRAM_PBS_NEXT_OFFS, + 1, 0, NULL, 0)) { + DEBUG_PBS_S("DDR3 - PBS Rx - Shift DQS - MV_DDR3_TRAINING_ERR_PBS_SHIFT_QDS_SRAM_CMP(ddr3_sdram_compare)\n"); + return MV_DDR3_TRAINING_ERR_PBS_SHIFT_QDS_SRAM_CMP; + } + + /* + * Get mask for pup which passed so their adll will be + * changed to 2 steps before fails + */ + pass_pup = unlock_pup & ~new_lockup_pup; + + DEBUG_PBS_FULL_S("Shift DQS by 2 steps for PUPs: "); + DEBUG_PBS_FULL_D(pass_pup, 2); + DEBUG_PBS_FULL_C(", Set ADLL value = ", (adll_val - 2), 2); + + /* Only for pass pups */ + for (pup = 0; pup < cur_max_pup; pup++) { + if (IS_PUP_ACTIVE(pass_pup, pup) == 1) { + ddr3_write_pup_reg(PUP_DQS_RD, CS0, + pup + ecc * ECC_PUP, 0, + (adll_val - 2)); + } + } + + /* Locked pups that compare success */ + unlock_pup &= new_lockup_pup; + + if (unlock_pup == 0) { + /* All pups locked */ + break; + } + + /* Found error */ + if (adll_val == 0) { + DEBUG_PBS_FULL_S("DDR3 - PBS Rx - Shift DQS - Adll reach min value\n"); + return MV_DDR3_TRAINING_ERR_PBS_SHIFT_QDS_MAX_VAL; + } + + /* + * Decrement (Move Back to Left one phase - ADLL) dqs RX delay + */ + adll_val--; + for (pup = 0; pup < cur_max_pup; pup++) { + if (IS_PUP_ACTIVE(unlock_pup, pup) == 1) { + ddr3_write_pup_reg(PUP_DQS_RD, CS0, + pup + ecc * ECC_PUP, 0, + adll_val); + } + } + } while (1); + + return MV_OK; +} + +/* + * lock_pups() extracted from ddr3_pbs_per_bit(). This just got too + * much indented making it hard to read / edit. + */ +static void lock_pups(u32 pup, u32 *pup_locked, u8 *unlock_pup_dq_array, + u32 pbs_curr_val, u32 start_pbs, u32 ecc, int is_tx) +{ + u32 dq; + int idx; + + /* Lock PBS value for all remaining PUPs bits */ + DEBUG_PBS_FULL_S("DDR3 - PBS Per bit - Lock PBS value for all remaining PUPs bits, pup "); + DEBUG_PBS_FULL_D(pup, 1); + DEBUG_PBS_FULL_C(" pbs value ", pbs_curr_val, 2); + + idx = pup * (1 - ecc) + ecc * ECC_PUP; + *pup_locked &= ~(1 << pup); + + for (dq = 0; dq < DQ_NUM; dq++) { + if (IS_PUP_ACTIVE(unlock_pup_dq_array[dq], pup) == 1) { + int offs; + + /* Lock current dq */ + unlock_pup_dq_array[dq] &= ~(1 << pup); + skew_array[(pup * DQ_NUM) + dq] = pbs_curr_val; + + if (is_tx == 1) + offs = PUP_PBS_TX; + else + offs = PUP_PBS_RX; + + ddr3_write_pup_reg(offs + + pbs_dq_mapping[idx][dq], CS0, + idx, 0, start_pbs); + } + } +} + +/* + * Name: ddr3_pbs_per_bit + * Desc: Execute the Per Bit Skew phase. + * Args: start_over Return whether need to start over the algorithm + * is_tx Indicate whether Rx or Tx + * pcur_pup bit array of the function active pups. return the + * pups that need to repeat on the PBS + * pbs_pattern_idx Index of PBS pattern + * + * Notes: Current implementation supports double activation of this function. + * i.e. in order to activate this function (using start_over) more than + * twice, the implementation should change. + * imlementation limitation are marked using + * ' CHIP-ONLY! - Implementation Limitation ' + * Returns: MV_OK if success, other error code if fail. + */ +static int ddr3_pbs_per_bit(MV_DRAM_INFO *dram_info, int *start_over, int is_tx, + u32 *pcur_pup, u32 pbs_pattern_idx, u32 ecc) +{ + /* + * Bit array to indicate if we already get fail on bit per pup & dq bit + */ + u8 unlock_pup_dq_array[DQ_NUM] = { + *pcur_pup, *pcur_pup, *pcur_pup, *pcur_pup, *pcur_pup, + *pcur_pup, *pcur_pup, *pcur_pup + }; + + u8 cmp_unlock_pup_dq_array[COUNT_PBS_COMP_RETRY_NUM][DQ_NUM]; + u32 pup, dq; + /* value of pbs is according to RX or TX */ + u32 start_pbs, last_pbs; + u32 pbs_curr_val; + /* bit array that indicates all dq of the pup locked */ + u32 pup_locked; + u32 first_fail[MAX_PUP_NUM] = { 0 }; /* count first fail per pup */ + /* indicates whether we get first fail per pup */ + int first_failed[MAX_PUP_NUM] = { 0 }; + /* bit array that indicates pup already get fail */ + u32 sum_pup_fail; + /* use to calculate diff between curr pbs to first fail pbs */ + u32 calc_pbs_diff; + u32 pbs_cmp_retry; + u32 max_pup; + + /* Set init values for retry array - 8 retry */ + for (pbs_cmp_retry = 0; pbs_cmp_retry < COUNT_PBS_COMP_RETRY_NUM; + pbs_cmp_retry++) { + for (dq = 0; dq < DQ_NUM; dq++) + cmp_unlock_pup_dq_array[pbs_cmp_retry][dq] = *pcur_pup; + } + + memset(&skew_array, 0, MAX_PUP_NUM * DQ_NUM * sizeof(u32)); + + DEBUG_PBS_FULL_S("DDR3 - PBS Per bit - Started\n"); + + /* The pbs value depends if rx or tx */ + if (is_tx == 1) { + start_pbs = MIN_PBS; + last_pbs = MAX_PBS; + } else { + start_pbs = MAX_PBS; + last_pbs = MIN_PBS; + } + + pbs_curr_val = start_pbs; + pup_locked = *pcur_pup; + + /* Set current pup number */ + if (pup_locked == 0x1) /* Ecc mode */ + max_pup = 1; + else + max_pup = dram_info->num_of_std_pups; + + do { + /* Increment/ decrement PBS for un-lock bits only */ + if (is_tx == 1) + pbs_curr_val++; + else + pbs_curr_val--; + + /* Set Current PBS delay */ + for (dq = 0; dq < DQ_NUM; dq++) { + /* Check DQ bits to see if locked in all pups */ + if (unlock_pup_dq_array[dq] == 0) { + DEBUG_PBS_FULL_S("DDR3 - PBS Per bit - All pups are locked for DQ "); + DEBUG_PBS_FULL_D(dq, 1); + DEBUG_PBS_FULL_S("\n"); + continue; + } + + for (pup = 0; pup < max_pup; pup++) { + int idx; + + idx = pup * (1 - ecc) + ecc * ECC_PUP; + + if (IS_PUP_ACTIVE(unlock_pup_dq_array[dq], pup) + == 0) + continue; + + if (is_tx == 1) + ddr3_write_pup_reg( + PUP_PBS_TX + pbs_dq_mapping[idx][dq], + CS0, idx, 0, pbs_curr_val); + else + ddr3_write_pup_reg( + PUP_PBS_RX + pbs_dq_mapping[idx][dq], + CS0, idx, 0, pbs_curr_val); + } + } + + /* + * Write Read and compare results - run the test + * DDR_PBS_COMP_RETRY_NUM times + */ + /* Run number of read and write to verify */ + for (pbs_cmp_retry = 0; + pbs_cmp_retry < COUNT_PBS_COMP_RETRY_NUM; + pbs_cmp_retry++) { + + if (MV_OK != + ddr3_sdram_pbs_compare(dram_info, pup_locked, is_tx, + pbs_pattern_idx, + pbs_curr_val, start_pbs, + skew_array, + cmp_unlock_pup_dq_array + [pbs_cmp_retry], ecc)) + return MV_FAIL; + + for (pup = 0; pup < max_pup; pup++) { + for (dq = 0; dq < DQ_NUM; dq++) { + if ((IS_PUP_ACTIVE(unlock_pup_dq_array[dq], + pup) == 1) + && (IS_PUP_ACTIVE(cmp_unlock_pup_dq_array + [pbs_cmp_retry][dq], + pup) == 0)) { + DEBUG_PBS_FULL_S("DDR3 - PBS Per bit - PbsCurrVal: "); + DEBUG_PBS_FULL_D(pbs_curr_val, 2); + DEBUG_PBS_FULL_S(" PUP: "); + DEBUG_PBS_FULL_D(pup, 1); + DEBUG_PBS_FULL_S(" DQ: "); + DEBUG_PBS_FULL_D(dq, 1); + DEBUG_PBS_FULL_S(" - failed\n"); + } + } + } + + for (dq = 0; dq < DQ_NUM; dq++) { + unlock_pup_dq_array[dq] &= + cmp_unlock_pup_dq_array[pbs_cmp_retry][dq]; + } + } + + pup_locked = 0; + sum_pup_fail = *pcur_pup; + + /* Check which DQ is failed */ + for (dq = 0; dq < DQ_NUM; dq++) { + /* Summarize the locked pup */ + pup_locked |= unlock_pup_dq_array[dq]; + + /* Check if get fail */ + sum_pup_fail &= unlock_pup_dq_array[dq]; + } + + /* If all PUPS are locked in all DQ - Break */ + if (pup_locked == 0) { + /* All pups are locked */ + *start_over = 0; + DEBUG_PBS_FULL_S("DDR3 - PBS Per bit - All bit in all pups are successfully locked\n"); + break; + } + + /* PBS deskew elements reach max ? */ + if (pbs_curr_val == last_pbs) { + DEBUG_PBS_FULL_S("DDR3 - PBS Per bit - PBS deskew elements reach max\n"); + /* CHIP-ONLY! - Implementation Limitation */ + *start_over = (sum_pup_fail != 0) && (!(*start_over)); + *pcur_pup = pup_locked; + + DEBUG_PBS_FULL_S("DDR3 - PBS Per bit - StartOver: "); + DEBUG_PBS_FULL_D(*start_over, 1); + DEBUG_PBS_FULL_S(" pup_locked: "); + DEBUG_PBS_FULL_D(pup_locked, 2); + DEBUG_PBS_FULL_S(" sum_pup_fail: "); + DEBUG_PBS_FULL_D(sum_pup_fail, 2); + DEBUG_PBS_FULL_S("\n"); + + /* Lock PBS value for all remaining bits */ + for (pup = 0; pup < max_pup; pup++) { + /* Check if current pup already received error */ + if (IS_PUP_ACTIVE(pup_locked, pup) == 1) { + /* Valid pup for current function */ + if (IS_PUP_ACTIVE(sum_pup_fail, pup) == + 1 && (*start_over == 1)) { + DEBUG_PBS_FULL_C("DDR3 - PBS Per bit - skipping lock of pup (first loop of pbs)", + pup, 1); + continue; + } else + if (IS_PUP_ACTIVE(sum_pup_fail, pup) + == 1) { + DEBUG_PBS_FULL_C("DDR3 - PBS Per bit - Locking pup %d (even though it wasn't supposed to be locked)", + pup, 1); + } + + /* Already got fail on the PUP */ + /* Lock PBS value for all remaining bits */ + DEBUG_PBS_FULL_S("DDR3 - PBS Per bit - Locking remaning DQs for pup - "); + DEBUG_PBS_FULL_D(pup, 1); + DEBUG_PBS_FULL_S(": "); + + for (dq = 0; dq < DQ_NUM; dq++) { + if (IS_PUP_ACTIVE + (unlock_pup_dq_array[dq], + pup) == 1) { + DEBUG_PBS_FULL_D(dq, 1); + DEBUG_PBS_FULL_S(","); + /* set current PBS */ + skew_array[((pup) * + DQ_NUM) + + dq] = + pbs_curr_val; + } + } + + if (*start_over == 1) { + /* + * Reset this pup bit - when + * restart the PBS, ignore this + * pup + */ + *pcur_pup &= ~(1 << pup); + } + DEBUG_PBS_FULL_S("\n"); + } else { + DEBUG_PBS_FULL_S("DDR3 - PBS Per bit - Pup "); + DEBUG_PBS_FULL_D(pup, 1); + DEBUG_PBS_FULL_C(" is not set in puplocked - ", + pup_locked, 1); + } + } + + /* Need to start the PBS again */ + if (*start_over == 1) { + DEBUG_PBS_FULL_S("DDR3 - PBS Per bit - false fail - returning to start\n"); + return MV_OK; + } + break; + } + + /* Diff Check */ + for (pup = 0; pup < max_pup; pup++) { + if (IS_PUP_ACTIVE(pup_locked, pup) == 1) { + /* pup is not locked */ + if (first_failed[pup] == 0) { + /* No first fail until now */ + if (IS_PUP_ACTIVE(sum_pup_fail, pup) == + 0) { + /* Get first fail */ + DEBUG_PBS_FULL_C("DDR3 - PBS Per bit - First fail in pup ", + pup, 1); + first_failed[pup] = 1; + first_fail[pup] = pbs_curr_val; + } + } else { + /* Already got first fail */ + if (is_tx == 1) { + /* TX - inc pbs */ + calc_pbs_diff = pbs_curr_val - + first_fail[pup]; + } else { + /* RX - dec pbs */ + calc_pbs_diff = first_fail[pup] - + pbs_curr_val; + } + + if (calc_pbs_diff >= PBS_DIFF_LIMIT) { + lock_pups(pup, &pup_locked, + unlock_pup_dq_array, + pbs_curr_val, + start_pbs, ecc, is_tx); + } + } + } + } + } while (1); + + return MV_OK; +} + +/* + * Name: ddr3_set_pbs_results + * Desc: Set to HW the PBS phase results. + * Args: is_tx Indicates whether to set Tx or RX results + * Notes: + * Returns: MV_OK if success, other error code if fail. + */ +static int ddr3_set_pbs_results(MV_DRAM_INFO *dram_info, int is_tx) +{ + u32 pup, phys_pup, dq; + u32 max_pup; /* number of valid pups */ + u32 pbs_min; /* minimal pbs val per pup */ + u32 pbs_max; /* maximum pbs val per pup */ + u32 val[9]; + + max_pup = dram_info->num_of_total_pups; + DEBUG_PBS_FULL_S("DDR3 - PBS - ddr3_set_pbs_results:\n"); + + /* Loop for all dqs & pups */ + for (pup = 0; pup < max_pup; pup++) { + if (pup == (max_pup - 1) && dram_info->ecc_ena) + phys_pup = ECC_PUP; + else + phys_pup = pup; + + /* + * To minimize delay elements, inc from pbs value the min + * pbs val + */ + pbs_min = MAX_PBS; + pbs_max = 0; + for (dq = 0; dq < DQ_NUM; dq++) { + if (pbs_min > skew_array[(pup * DQ_NUM) + dq]) + pbs_min = skew_array[(pup * DQ_NUM) + dq]; + + if (pbs_max < skew_array[(pup * DQ_NUM) + dq]) + pbs_max = skew_array[(pup * DQ_NUM) + dq]; + } + + pbs_max -= pbs_min; + + DEBUG_PBS_FULL_S("DDR3 - PBS - PUP"); + DEBUG_PBS_FULL_D(phys_pup, 1); + DEBUG_PBS_FULL_S(": Min Val = "); + DEBUG_PBS_FULL_D(pbs_min, 2); + DEBUG_PBS_FULL_C(", Max Val = ", pbs_max, 2); + + val[pup] = 0; + + for (dq = 0; dq < DQ_NUM; dq++) { + int idx; + int offs; + + /* Set skew value for all dq */ + /* + * Bit# Deskew <- Bit# Deskew - last / first + * failing bit Deskew For all bits (per PUP) + * (minimize delay elements) + */ + + DEBUG_PBS_FULL_S("DQ"); + DEBUG_PBS_FULL_D(dq, 1); + DEBUG_PBS_FULL_S("-"); + DEBUG_PBS_FULL_D((skew_array[(pup * DQ_NUM) + dq] - + pbs_min), 2); + DEBUG_PBS_FULL_S(", "); + + idx = (pup * DQ_NUM) + dq; + + if (is_tx == 1) + offs = PUP_PBS_TX; + else + offs = PUP_PBS_RX; + + ddr3_write_pup_reg(offs + pbs_dq_mapping[phys_pup][dq], + CS0, phys_pup, 0, + skew_array[idx] - pbs_min); + + if (is_tx == 1) + val[pup] += skew_array[idx] - pbs_min; + } + + DEBUG_PBS_FULL_S("\n"); + + /* Set the DQS the half of the Max PBS of the DQs */ + if (is_tx == 1) { + ddr3_write_pup_reg(PUP_PBS_TX + 8, CS0, phys_pup, 0, + pbs_max / 2); + ddr3_write_pup_reg(PUP_PBS_TX + 0xa, CS0, phys_pup, 0, + val[pup] / 8); + } else + ddr3_write_pup_reg(PUP_PBS_RX + 8, CS0, phys_pup, 0, + pbs_max / 2); + } + + return MV_OK; +} + +static void ddr3_pbs_write_pup_dqs_reg(u32 cs, u32 pup, u32 dqs_delay) +{ + u32 reg, delay; + + reg = (ddr3_read_pup_reg(PUP_WL_MODE, cs, pup) & 0x3FF); + delay = reg & PUP_DELAY_MASK; + reg |= ((dqs_delay + delay) << REG_PHY_DQS_REF_DLY_OFFS); + reg |= REG_PHY_REGISTRY_FILE_ACCESS_OP_WR; + reg |= (pup << REG_PHY_PUP_OFFS); + reg |= ((0x4 * cs + PUP_WL_MODE) << REG_PHY_CS_OFFS); + + reg_write(REG_PHY_REGISTRY_FILE_ACCESS_ADDR, reg); /* 0x16A0 */ + do { + reg = reg_read(REG_PHY_REGISTRY_FILE_ACCESS_ADDR) & + REG_PHY_REGISTRY_FILE_ACCESS_OP_DONE; + } while (reg); /* Wait for '0' to mark the end of the transaction */ + + udelay(10); +} + +/* + * Set training patterns + */ +int ddr3_load_pbs_patterns(MV_DRAM_INFO *dram_info) +{ + u32 cs, cs_count, cs_tmp; + u32 sdram_addr; + u32 *pattern_ptr0, *pattern_ptr1; + + /* Choose pattern */ + switch (dram_info->ddr_width) { +#if defined(MV88F672X) + case 16: + pattern_ptr0 = (u32 *)&pbs_pattern[0]; + pattern_ptr1 = (u32 *)&pbs_pattern[1]; + break; +#endif + case 32: + pattern_ptr0 = (u32 *)&pbs_pattern_32b[0]; + pattern_ptr1 = (u32 *)&pbs_pattern_32b[1]; + break; +#if defined(MV88F78X60) + case 64: + pattern_ptr0 = (u32 *)&pbs_pattern_64b[0]; + pattern_ptr1 = (u32 *)&pbs_pattern_64b[1]; + break; +#endif + default: + return MV_FAIL; + } + + /* Loop for each CS */ + for (cs = 0; cs < MAX_CS; cs++) { + if (dram_info->cs_ena & (1 << cs)) { + cs_count = 0; + for (cs_tmp = 0; cs_tmp < cs; cs_tmp++) { + if (dram_info->cs_ena & (1 << cs_tmp)) + cs_count++; + } + + /* Init PBS I pattern */ + sdram_addr = (cs_count * (SDRAM_CS_SIZE + 1) + + SDRAM_PBS_I_OFFS); + if (MV_OK != + ddr3_sdram_compare(dram_info, (u32) NULL, NULL, + pattern_ptr0, LEN_STD_PATTERN, + sdram_addr, 1, 0, NULL, + 0)) + return MV_FAIL; + + /* Init PBS II pattern */ + sdram_addr = (cs_count * (SDRAM_CS_SIZE + 1) + + SDRAM_PBS_II_OFFS); + if (MV_OK != + ddr3_sdram_compare(dram_info, (u32) NULL, NULL, + pattern_ptr1, LEN_STD_PATTERN, + sdram_addr, 1, 0, NULL, + 0)) + return MV_FAIL; + } + } + + return MV_OK; +} +#endif diff --git a/drivers/ddr/mvebu/ddr3_read_leveling.c b/drivers/ddr/mvebu/ddr3_read_leveling.c new file mode 100644 index 0000000..4662bde --- /dev/null +++ b/drivers/ddr/mvebu/ddr3_read_leveling.c @@ -0,0 +1,1214 @@ +/* + * Copyright (C) Marvell International Ltd. and its affiliates + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#include <common.h> +#include <i2c.h> +#include <spl.h> +#include <asm/io.h> +#include <asm/arch/cpu.h> +#include <asm/arch/soc.h> + +#include "ddr3_hw_training.h" + +/* + * Debug + */ +#define DEBUG_RL_C(s, d, l) \ + DEBUG_RL_S(s); DEBUG_RL_D(d, l); DEBUG_RL_S("\n") +#define DEBUG_RL_FULL_C(s, d, l) \ + DEBUG_RL_FULL_S(s); DEBUG_RL_FULL_D(d, l); DEBUG_RL_FULL_S("\n") + +#ifdef MV_DEBUG_RL +#define DEBUG_RL_S(s) \ + debug_cond(ddr3_get_log_level() >= MV_LOG_LEVEL_2, "%s", s) +#define DEBUG_RL_D(d, l) \ + debug_cond(ddr3_get_log_level() >= MV_LOG_LEVEL_2, "%x", d) +#else +#define DEBUG_RL_S(s) +#define DEBUG_RL_D(d, l) +#endif + +#ifdef MV_DEBUG_RL_FULL +#define DEBUG_RL_FULL_S(s) puts(s) +#define DEBUG_RL_FULL_D(d, l) printf("%x", d) +#else +#define DEBUG_RL_FULL_S(s) +#define DEBUG_RL_FULL_D(d, l) +#endif + +extern u32 rl_pattern[LEN_STD_PATTERN]; + +#ifdef RL_MODE +static int ddr3_read_leveling_single_cs_rl_mode(u32 cs, u32 freq, + int ratio_2to1, u32 ecc, + MV_DRAM_INFO *dram_info); +#else +static int ddr3_read_leveling_single_cs_window_mode(u32 cs, u32 freq, + int ratio_2to1, u32 ecc, + MV_DRAM_INFO *dram_info); +#endif + +/* + * Name: ddr3_read_leveling_hw + * Desc: Execute the Read leveling phase by HW + * Args: dram_info - main struct + * freq - current sequence frequency + * Notes: + * Returns: MV_OK if success, MV_FAIL if fail. + */ +int ddr3_read_leveling_hw(u32 freq, MV_DRAM_INFO *dram_info) +{ + u32 reg; + + /* Debug message - Start Read leveling procedure */ + DEBUG_RL_S("DDR3 - Read Leveling - Starting HW RL procedure\n"); + + /* Start Auto Read Leveling procedure */ + reg = 1 << REG_DRAM_TRAINING_RL_OFFS; + /* Config the retest number */ + reg |= (COUNT_HW_RL << REG_DRAM_TRAINING_RETEST_OFFS); + + /* Enable CS in the automatic process */ + reg |= (dram_info->cs_ena << REG_DRAM_TRAINING_CS_OFFS); + + reg_write(REG_DRAM_TRAINING_ADDR, reg); /* 0x15B0 - Training Register */ + + reg = reg_read(REG_DRAM_TRAINING_SHADOW_ADDR) | + (1 << REG_DRAM_TRAINING_AUTO_OFFS); + reg_write(REG_DRAM_TRAINING_SHADOW_ADDR, reg); + + /* Wait */ + do { + reg = reg_read(REG_DRAM_TRAINING_SHADOW_ADDR) & + (1 << REG_DRAM_TRAINING_AUTO_OFFS); + } while (reg); /* Wait for '0' */ + + /* Check if Successful */ + if (reg_read(REG_DRAM_TRAINING_SHADOW_ADDR) & + (1 << REG_DRAM_TRAINING_ERROR_OFFS)) { + u32 delay, phase, pup, cs; + + dram_info->rl_max_phase = 0; + dram_info->rl_min_phase = 10; + + /* Read results to arrays */ + for (cs = 0; cs < MAX_CS; cs++) { + if (dram_info->cs_ena & (1 << cs)) { + for (pup = 0; + pup < dram_info->num_of_total_pups; + pup++) { + if (pup == dram_info->num_of_std_pups + && dram_info->ecc_ena) + pup = ECC_PUP; + reg = + ddr3_read_pup_reg(PUP_RL_MODE, cs, + pup); + phase = (reg >> REG_PHY_PHASE_OFFS) & + PUP_PHASE_MASK; + delay = reg & PUP_DELAY_MASK; + dram_info->rl_val[cs][pup][P] = phase; + if (phase > dram_info->rl_max_phase) + dram_info->rl_max_phase = phase; + if (phase < dram_info->rl_min_phase) + dram_info->rl_min_phase = phase; + dram_info->rl_val[cs][pup][D] = delay; + dram_info->rl_val[cs][pup][S] = + RL_FINAL_STATE; + reg = + ddr3_read_pup_reg(PUP_RL_MODE + 0x1, + cs, pup); + dram_info->rl_val[cs][pup][DQS] = + (reg & 0x3F); + } +#ifdef MV_DEBUG_RL + /* Print results */ + DEBUG_RL_C("DDR3 - Read Leveling - Results for CS - ", + (u32) cs, 1); + + for (pup = 0; + pup < (dram_info->num_of_total_pups); + pup++) { + if (pup == dram_info->num_of_std_pups + && dram_info->ecc_ena) + pup = ECC_PUP; + DEBUG_RL_S("DDR3 - Read Leveling - PUP: "); + DEBUG_RL_D((u32) pup, 1); + DEBUG_RL_S(", Phase: "); + DEBUG_RL_D((u32) dram_info-> + rl_val[cs][pup][P], 1); + DEBUG_RL_S(", Delay: "); + DEBUG_RL_D((u32) dram_info-> + rl_val[cs][pup][D], 2); + DEBUG_RL_S("\n"); + } +#endif + } + } + + dram_info->rd_rdy_dly = + reg_read(REG_READ_DATA_READY_DELAYS_ADDR) & + REG_READ_DATA_SAMPLE_DELAYS_MASK; + dram_info->rd_smpl_dly = + reg_read(REG_READ_DATA_SAMPLE_DELAYS_ADDR) & + REG_READ_DATA_READY_DELAYS_MASK; +#ifdef MV_DEBUG_RL + DEBUG_RL_C("DDR3 - Read Leveling - Read Sample Delay: ", + dram_info->rd_smpl_dly, 2); + DEBUG_RL_C("DDR3 - Read Leveling - Read Ready Delay: ", + dram_info->rd_rdy_dly, 2); + DEBUG_RL_S("DDR3 - Read Leveling - HW RL Ended Successfully\n"); +#endif + return MV_OK; + + } else { + DEBUG_RL_S("DDR3 - Read Leveling - HW RL Error\n"); + return MV_FAIL; + } +} + +/* + * Name: ddr3_read_leveling_sw + * Desc: Execute the Read leveling phase by SW + * Args: dram_info - main struct + * freq - current sequence frequency + * Notes: + * Returns: MV_OK if success, MV_FAIL if fail. + */ +int ddr3_read_leveling_sw(u32 freq, int ratio_2to1, MV_DRAM_INFO *dram_info) +{ + u32 reg, cs, ecc, pup_num, phase, delay, pup; + int status; + + /* Debug message - Start Read leveling procedure */ + DEBUG_RL_S("DDR3 - Read Leveling - Starting SW RL procedure\n"); + + /* Enable SW Read Leveling */ + reg = reg_read(REG_DRAM_TRAINING_2_ADDR) | + (1 << REG_DRAM_TRAINING_2_SW_OVRD_OFFS); + reg &= ~(1 << REG_DRAM_TRAINING_2_RL_MODE_OFFS); + /* [0]=1 - Enable SW override */ + /* 0x15B8 - Training SW 2 Register */ + reg_write(REG_DRAM_TRAINING_2_ADDR, reg); + +#ifdef RL_MODE + reg = (dram_info->cs_ena << REG_DRAM_TRAINING_CS_OFFS) | + (1 << REG_DRAM_TRAINING_AUTO_OFFS); + reg_write(REG_DRAM_TRAINING_ADDR, reg); /* 0x15B0 - Training Register */ +#endif + + /* Loop for each CS */ + for (cs = 0; cs < dram_info->num_cs; cs++) { + DEBUG_RL_C("DDR3 - Read Leveling - CS - ", (u32) cs, 1); + + for (ecc = 0; ecc <= (dram_info->ecc_ena); ecc++) { + /* ECC Support - Switch ECC Mux on ecc=1 */ + reg = reg_read(REG_DRAM_TRAINING_2_ADDR) & + ~(1 << REG_DRAM_TRAINING_2_ECC_MUX_OFFS); + reg |= (dram_info->ecc_ena * + ecc << REG_DRAM_TRAINING_2_ECC_MUX_OFFS); + reg_write(REG_DRAM_TRAINING_2_ADDR, reg); + + if (ecc) + DEBUG_RL_S("DDR3 - Read Leveling - ECC Mux Enabled\n"); + else + DEBUG_RL_S("DDR3 - Read Leveling - ECC Mux Disabled\n"); + + /* Set current sample delays */ + reg = reg_read(REG_READ_DATA_SAMPLE_DELAYS_ADDR); + reg &= ~(REG_READ_DATA_SAMPLE_DELAYS_MASK << + (REG_READ_DATA_SAMPLE_DELAYS_OFFS * cs)); + reg |= (dram_info->cl << + (REG_READ_DATA_SAMPLE_DELAYS_OFFS * cs)); + reg_write(REG_READ_DATA_SAMPLE_DELAYS_ADDR, reg); + + /* Set current Ready delay */ + reg = reg_read(REG_READ_DATA_READY_DELAYS_ADDR); + reg &= ~(REG_READ_DATA_READY_DELAYS_MASK << + (REG_READ_DATA_READY_DELAYS_OFFS * cs)); + if (!ratio_2to1) { + /* 1:1 mode */ + reg |= ((dram_info->cl + 1) << + (REG_READ_DATA_READY_DELAYS_OFFS * cs)); + } else { + /* 2:1 mode */ + reg |= ((dram_info->cl + 2) << + (REG_READ_DATA_READY_DELAYS_OFFS * cs)); + } + reg_write(REG_READ_DATA_READY_DELAYS_ADDR, reg); + + /* Read leveling Single CS[cs] */ +#ifdef RL_MODE + status = + ddr3_read_leveling_single_cs_rl_mode(cs, freq, + ratio_2to1, + ecc, + dram_info); + if (MV_OK != status) + return status; +#else + status = + ddr3_read_leveling_single_cs_window_mode(cs, freq, + ratio_2to1, + ecc, + dram_info) + if (MV_OK != status) + return status; +#endif + } + + /* Print results */ + DEBUG_RL_C("DDR3 - Read Leveling - Results for CS - ", (u32) cs, + 1); + + for (pup = 0; + pup < (dram_info->num_of_std_pups + dram_info->ecc_ena); + pup++) { + DEBUG_RL_S("DDR3 - Read Leveling - PUP: "); + DEBUG_RL_D((u32) pup, 1); + DEBUG_RL_S(", Phase: "); + DEBUG_RL_D((u32) dram_info->rl_val[cs][pup][P], 1); + DEBUG_RL_S(", Delay: "); + DEBUG_RL_D((u32) dram_info->rl_val[cs][pup][D], 2); + DEBUG_RL_S("\n"); + } + + DEBUG_RL_C("DDR3 - Read Leveling - Read Sample Delay: ", + dram_info->rd_smpl_dly, 2); + DEBUG_RL_C("DDR3 - Read Leveling - Read Ready Delay: ", + dram_info->rd_rdy_dly, 2); + + /* Configure PHY with average of 3 locked leveling settings */ + for (pup = 0; + pup < (dram_info->num_of_std_pups + dram_info->ecc_ena); + pup++) { + /* ECC support - bit 8 */ + pup_num = (pup == dram_info->num_of_std_pups) ? ECC_BIT : pup; + + /* For now, set last cnt result */ + phase = dram_info->rl_val[cs][pup][P]; + delay = dram_info->rl_val[cs][pup][D]; + ddr3_write_pup_reg(PUP_RL_MODE, cs, pup_num, phase, + delay); + } + } + + /* Reset PHY read FIFO */ + reg = reg_read(REG_DRAM_TRAINING_2_ADDR) | + (1 << REG_DRAM_TRAINING_2_FIFO_RST_OFFS); + /* 0x15B8 - Training SW 2 Register */ + reg_write(REG_DRAM_TRAINING_2_ADDR, reg); + + do { + reg = (reg_read(REG_DRAM_TRAINING_2_ADDR)) & + (1 << REG_DRAM_TRAINING_2_FIFO_RST_OFFS); + } while (reg); /* Wait for '0' */ + + /* ECC Support - Switch ECC Mux off ecc=0 */ + reg = reg_read(REG_DRAM_TRAINING_2_ADDR) & + ~(1 << REG_DRAM_TRAINING_2_ECC_MUX_OFFS); + reg_write(REG_DRAM_TRAINING_2_ADDR, reg); + +#ifdef RL_MODE + reg_write(REG_DRAM_TRAINING_ADDR, 0); /* 0x15B0 - Training Register */ +#endif + + /* Disable SW Read Leveling */ + reg = reg_read(REG_DRAM_TRAINING_2_ADDR) & + ~(1 << REG_DRAM_TRAINING_2_SW_OVRD_OFFS); + /* [0] = 0 - Disable SW override */ + reg = (reg | (0x1 << REG_DRAM_TRAINING_2_RL_MODE_OFFS)); + /* [3] = 1 - Disable RL MODE */ + /* 0x15B8 - Training SW 2 Register */ + reg_write(REG_DRAM_TRAINING_2_ADDR, reg); + + DEBUG_RL_S("DDR3 - Read Leveling - Finished RL procedure for all CS\n"); + return MV_OK; +} + +#ifdef RL_MODE +/* + * overrun() extracted from ddr3_read_leveling_single_cs_rl_mode(). + * This just got too much indented making it hard to read / edit. + */ +static void overrun(u32 cs, MV_DRAM_INFO *info, u32 pup, u32 locked_pups, + u32 *locked_sum, u32 ecc, int *first_octet_locked, + int *counter_in_progress, int final_delay, u32 delay, + u32 phase) +{ + /* If no OverRun */ + if (((~locked_pups >> pup) & 0x1) && (final_delay == 0)) { + int idx; + + idx = pup + ecc * ECC_BIT; + + /* PUP passed, start examining */ + if (info->rl_val[cs][idx][S] == RL_UNLOCK_STATE) { + /* Must be RL_UNLOCK_STATE */ + /* Match expected value ? - Update State Machine */ + if (info->rl_val[cs][idx][C] < RL_RETRY_COUNT) { + DEBUG_RL_FULL_C("DDR3 - Read Leveling - We have no overrun and a match on pup: ", + (u32)pup, 1); + info->rl_val[cs][idx][C]++; + + /* If pup got to last state - lock the delays */ + if (info->rl_val[cs][idx][C] == RL_RETRY_COUNT) { + info->rl_val[cs][idx][C] = 0; + info->rl_val[cs][idx][DS] = delay; + info->rl_val[cs][idx][PS] = phase; + + /* Go to Final State */ + info->rl_val[cs][idx][S] = RL_FINAL_STATE; + *locked_sum = *locked_sum + 1; + DEBUG_RL_FULL_C("DDR3 - Read Leveling - We have locked pup: ", + (u32)pup, 1); + + /* + * If first lock - need to lock delays + */ + if (*first_octet_locked == 0) { + DEBUG_RL_FULL_C("DDR3 - Read Leveling - We got first lock on pup: ", + (u32)pup, 1); + *first_octet_locked = 1; + } + + /* + * If pup is in not in final state but + * there was match - dont increment + * counter + */ + } else { + *counter_in_progress = 1; + } + } + } + } +} + +/* + * Name: ddr3_read_leveling_single_cs_rl_mode + * Desc: Execute Read leveling for single Chip select + * Args: cs - current chip select + * freq - current sequence frequency + * ecc - ecc iteration indication + * dram_info - main struct + * Notes: + * Returns: MV_OK if success, MV_FAIL if fail. + */ +static int ddr3_read_leveling_single_cs_rl_mode(u32 cs, u32 freq, + int ratio_2to1, u32 ecc, + MV_DRAM_INFO *dram_info) +{ + u32 reg, delay, phase, pup, rd_sample_delay, add, locked_pups, + repeat_max_cnt, sdram_offset, locked_sum; + u32 phase_min, ui_max_delay; + int all_locked, first_octet_locked, counter_in_progress; + int final_delay = 0; + + DEBUG_RL_FULL_C("DDR3 - Read Leveling - Single CS - ", (u32) cs, 1); + + /* Init values */ + phase = 0; + delay = 0; + rd_sample_delay = dram_info->cl; + all_locked = 0; + first_octet_locked = 0; + repeat_max_cnt = 0; + locked_sum = 0; + + for (pup = 0; pup < (dram_info->num_of_std_pups * (1 - ecc) + ecc); + pup++) + dram_info->rl_val[cs][pup + ecc * ECC_BIT][S] = 0; + + /* Main loop */ + while (!all_locked) { + counter_in_progress = 0; + + DEBUG_RL_FULL_S("DDR3 - Read Leveling - RdSmplDly = "); + DEBUG_RL_FULL_D(rd_sample_delay, 2); + DEBUG_RL_FULL_S(", RdRdyDly = "); + DEBUG_RL_FULL_D(dram_info->rd_rdy_dly, 2); + DEBUG_RL_FULL_S(", Phase = "); + DEBUG_RL_FULL_D(phase, 1); + DEBUG_RL_FULL_S(", Delay = "); + DEBUG_RL_FULL_D(delay, 2); + DEBUG_RL_FULL_S("\n"); + + /* + * Broadcast to all PUPs current RL delays: DQS phase, + * leveling delay + */ + ddr3_write_pup_reg(PUP_RL_MODE, cs, PUP_BC, phase, delay); + + /* Reset PHY read FIFO */ + reg = reg_read(REG_DRAM_TRAINING_2_ADDR) | + (1 << REG_DRAM_TRAINING_2_FIFO_RST_OFFS); + /* 0x15B8 - Training SW 2 Register */ + reg_write(REG_DRAM_TRAINING_2_ADDR, reg); + + do { + reg = (reg_read(REG_DRAM_TRAINING_2_ADDR)) & + (1 << REG_DRAM_TRAINING_2_FIFO_RST_OFFS); + } while (reg); /* Wait for '0' */ + + /* Read pattern from SDRAM */ + sdram_offset = cs * (SDRAM_CS_SIZE + 1) + SDRAM_RL_OFFS; + locked_pups = 0; + if (MV_OK != + ddr3_sdram_compare(dram_info, 0xFF, &locked_pups, + rl_pattern, LEN_STD_PATTERN, + sdram_offset, 0, 0, NULL, 0)) + return MV_DDR3_TRAINING_ERR_RD_LVL_RL_PATTERN; + + /* Octet evaluation */ + /* pup_num = Q or 1 for ECC */ + for (pup = 0; pup < (dram_info->num_of_std_pups * (1 - ecc) + ecc); pup++) { + /* Check Overrun */ + if (!((reg_read(REG_DRAM_TRAINING_2_ADDR) >> + (REG_DRAM_TRAINING_2_OVERRUN_OFFS + pup)) & 0x1)) { + overrun(cs, dram_info, pup, locked_pups, + &locked_sum, ecc, &first_octet_locked, + &counter_in_progress, final_delay, + delay, phase); + } else { + DEBUG_RL_FULL_C("DDR3 - Read Leveling - We got overrun on pup: ", + (u32)pup, 1); + } + } + + if (locked_sum == (dram_info->num_of_std_pups * + (1 - ecc) + ecc)) { + all_locked = 1; + DEBUG_RL_FULL_S("DDR3 - Read Leveling - Single Cs - All pups locked\n"); + } + + /* + * This is a fix for unstable condition where pups are + * toggling between match and no match + */ + /* + * If some of the pups is >1 <3, check if we did it too + * many times + */ + if (counter_in_progress == 1) { + /* Notify at least one Counter is >=1 and < 3 */ + if (repeat_max_cnt < RL_RETRY_COUNT) { + repeat_max_cnt++; + counter_in_progress = 1; + DEBUG_RL_FULL_S("DDR3 - Read Leveling - Counter is >=1 and <3\n"); + DEBUG_RL_FULL_S("DDR3 - Read Leveling - So we will not increment the delay to see if locked again\n"); + } else { + DEBUG_RL_FULL_S("DDR3 - Read Leveling - repeat_max_cnt reached max so now we will increment the delay\n"); + counter_in_progress = 0; + } + } + + /* + * Check some of the pups are in the middle of state machine + * and don't increment the delays + */ + if (!counter_in_progress && !all_locked) { + int idx; + + idx = pup + ecc * ECC_BIT; + + repeat_max_cnt = 0; + /* if 1:1 mode */ + if ((!ratio_2to1) && ((phase == 0) || (phase == 4))) + ui_max_delay = MAX_DELAY_INV; + else + ui_max_delay = MAX_DELAY; + + /* Increment Delay */ + if (delay < ui_max_delay) { + delay++; + /* + * Mark the last delay/pahse place for + * window final place + */ + if (delay == ui_max_delay) { + if ((!ratio_2to1 && phase == + MAX_PHASE_RL_L_1TO1) + || (ratio_2to1 && phase == + MAX_PHASE_RL_L_2TO1)) + final_delay = 1; + } + } else { + /* Phase+CL Incrementation */ + delay = 0; + + if (!ratio_2to1) { + /* 1:1 mode */ + if (first_octet_locked) { + /* some Pup was Locked */ + if (phase < MAX_PHASE_RL_L_1TO1) { + if (phase == 1) { + phase = 4; + } else { + phase++; + delay = MIN_DELAY_PHASE_1_LIMIT; + } + } else { + DEBUG_RL_FULL_S("DDR3 - Read Leveling - ERROR - NOT all PUPs Locked\n"); + DEBUG_RL_S("1)DDR3 - Read Leveling - ERROR - NOT all PUPs Locked n"); + return MV_DDR3_TRAINING_ERR_RD_LVL_RL_PUP_UNLOCK; + } + } else { + /* NO Pup was Locked */ + if (phase < MAX_PHASE_RL_UL_1TO1) { + phase++; + delay = + MIN_DELAY_PHASE_1_LIMIT; + } else { + phase = 0; + } + } + } else { + /* 2:1 mode */ + if (first_octet_locked) { + /* some Pup was Locked */ + if (phase < MAX_PHASE_RL_L_2TO1) { + phase++; + } else { + DEBUG_RL_FULL_S("DDR3 - Read Leveling - ERROR - NOT all PUPs Locked\n"); + DEBUG_RL_S("2)DDR3 - Read Leveling - ERROR - NOT all PUPs Locked\n"); + for (pup = 0; pup < (dram_info->num_of_std_pups * (1 - ecc) + ecc); pup++) { + /* pup_num = Q or 1 for ECC */ + if (dram_info->rl_val[cs][idx][S] + == 0) { + DEBUG_RL_C("Failed byte is = ", + pup, 1); + } + } + return MV_DDR3_TRAINING_ERR_RD_LVL_RL_PUP_UNLOCK; + } + } else { + /* No Pup was Locked */ + if (phase < MAX_PHASE_RL_UL_2TO1) + phase++; + else + phase = 0; + } + } + + /* + * If we finished a full Phases cycle (so now + * phase = 0, need to increment rd_sample_dly + */ + if (phase == 0 && first_octet_locked == 0) { + rd_sample_delay++; + if (rd_sample_delay == 0x10) { + DEBUG_RL_FULL_S("DDR3 - Read Leveling - ERROR - NOT all PUPs Locked\n"); + DEBUG_RL_S("3)DDR3 - Read Leveling - ERROR - NOT all PUPs Locked\n"); + for (pup = 0; pup < (dram_info->num_of_std_pups * (1 - ecc) + ecc); pup++) { + /* pup_num = Q or 1 for ECC */ + if (dram_info-> + rl_val[cs][idx][S] == 0) { + DEBUG_RL_C("Failed byte is = ", + pup, 1); + } + } + return MV_DDR3_TRAINING_ERR_RD_LVL_PUP_UNLOCK; + } + + /* Set current rd_sample_delay */ + reg = reg_read(REG_READ_DATA_SAMPLE_DELAYS_ADDR); + reg &= ~(REG_READ_DATA_SAMPLE_DELAYS_MASK + << (REG_READ_DATA_SAMPLE_DELAYS_OFFS + * cs)); + reg |= (rd_sample_delay << + (REG_READ_DATA_SAMPLE_DELAYS_OFFS * + cs)); + reg_write(REG_READ_DATA_SAMPLE_DELAYS_ADDR, + reg); + } + + /* + * Set current rdReadyDelay according to the + * hash table (Need to do this in every phase + * change) + */ + if (!ratio_2to1) { + /* 1:1 mode */ + add = reg_read(REG_TRAINING_DEBUG_2_ADDR); + switch (phase) { + case 0: + add = (add >> + REG_TRAINING_DEBUG_2_OFFS); + break; + case 1: + add = (add >> + (REG_TRAINING_DEBUG_2_OFFS + + 3)); + break; + case 4: + add = (add >> + (REG_TRAINING_DEBUG_2_OFFS + + 6)); + break; + case 5: + add = (add >> + (REG_TRAINING_DEBUG_2_OFFS + + 9)); + break; + } + add &= REG_TRAINING_DEBUG_2_MASK; + } else { + /* 2:1 mode */ + add = reg_read(REG_TRAINING_DEBUG_3_ADDR); + add = (add >> + (phase * + REG_TRAINING_DEBUG_3_OFFS)); + add &= REG_TRAINING_DEBUG_3_MASK; + } + + reg = reg_read(REG_READ_DATA_READY_DELAYS_ADDR); + reg &= ~(REG_READ_DATA_READY_DELAYS_MASK << + (REG_READ_DATA_READY_DELAYS_OFFS * cs)); + reg |= ((rd_sample_delay + add) << + (REG_READ_DATA_READY_DELAYS_OFFS * cs)); + reg_write(REG_READ_DATA_READY_DELAYS_ADDR, reg); + dram_info->rd_smpl_dly = rd_sample_delay; + dram_info->rd_rdy_dly = rd_sample_delay + add; + } + + /* Reset counters for pups with states<RD_STATE_COUNT */ + for (pup = 0; pup < + (dram_info->num_of_std_pups * (1 - ecc) + ecc); + pup++) { + if (dram_info->rl_val[cs][idx][C] < RL_RETRY_COUNT) + dram_info->rl_val[cs][idx][C] = 0; + } + } + } + + phase_min = 10; + + for (pup = 0; pup < (dram_info->num_of_std_pups); pup++) { + if (dram_info->rl_val[cs][pup][PS] < phase_min) + phase_min = dram_info->rl_val[cs][pup][PS]; + } + + /* + * Set current rdReadyDelay according to the hash table (Need to + * do this in every phase change) + */ + if (!ratio_2to1) { + /* 1:1 mode */ + add = reg_read(REG_TRAINING_DEBUG_2_ADDR); + switch (phase_min) { + case 0: + add = (add >> REG_TRAINING_DEBUG_2_OFFS); + break; + case 1: + add = (add >> (REG_TRAINING_DEBUG_2_OFFS + 3)); + break; + case 4: + add = (add >> (REG_TRAINING_DEBUG_2_OFFS + 6)); + break; + case 5: + add = (add >> (REG_TRAINING_DEBUG_2_OFFS + 9)); + break; + } + add &= REG_TRAINING_DEBUG_2_MASK; + } else { + /* 2:1 mode */ + add = reg_read(REG_TRAINING_DEBUG_3_ADDR); + add = (add >> (phase_min * REG_TRAINING_DEBUG_3_OFFS)); + add &= REG_TRAINING_DEBUG_3_MASK; + } + + reg = reg_read(REG_READ_DATA_READY_DELAYS_ADDR); + reg &= ~(REG_READ_DATA_READY_DELAYS_MASK << + (REG_READ_DATA_READY_DELAYS_OFFS * cs)); + reg |= ((rd_sample_delay + add) << (REG_READ_DATA_READY_DELAYS_OFFS * cs)); + reg_write(REG_READ_DATA_READY_DELAYS_ADDR, reg); + dram_info->rd_rdy_dly = rd_sample_delay + add; + + for (cs = 0; cs < dram_info->num_cs; cs++) { + for (pup = 0; pup < dram_info->num_of_total_pups; pup++) { + reg = ddr3_read_pup_reg(PUP_RL_MODE + 0x1, cs, pup); + dram_info->rl_val[cs][pup][DQS] = (reg & 0x3F); + } + } + + return MV_OK; +} + +#else + +/* + * Name: ddr3_read_leveling_single_cs_window_mode + * Desc: Execute Read leveling for single Chip select + * Args: cs - current chip select + * freq - current sequence frequency + * ecc - ecc iteration indication + * dram_info - main struct + * Notes: + * Returns: MV_OK if success, MV_FAIL if fail. + */ +static int ddr3_read_leveling_single_cs_window_mode(u32 cs, u32 freq, + int ratio_2to1, u32 ecc, + MV_DRAM_INFO *dram_info) +{ + u32 reg, delay, phase, sum, pup, rd_sample_delay, add, locked_pups, + repeat_max_cnt, sdram_offset, final_sum, locked_sum; + u32 delay_s, delay_e, tmp, phase_min, ui_max_delay; + int all_locked, first_octet_locked, counter_in_progress; + int final_delay = 0; + + DEBUG_RL_FULL_C("DDR3 - Read Leveling - Single CS - ", (u32) cs, 1); + + /* Init values */ + phase = 0; + delay = 0; + rd_sample_delay = dram_info->cl; + all_locked = 0; + first_octet_locked = 0; + repeat_max_cnt = 0; + sum = 0; + final_sum = 0; + locked_sum = 0; + + for (pup = 0; pup < (dram_info->num_of_std_pups * (1 - ecc) + ecc); + pup++) + dram_info->rl_val[cs][pup + ecc * ECC_BIT][S] = 0; + + /* Main loop */ + while (!all_locked) { + counter_in_progress = 0; + + DEBUG_RL_FULL_S("DDR3 - Read Leveling - RdSmplDly = "); + DEBUG_RL_FULL_D(rd_sample_delay, 2); + DEBUG_RL_FULL_S(", RdRdyDly = "); + DEBUG_RL_FULL_D(dram_info->rd_rdy_dly, 2); + DEBUG_RL_FULL_S(", Phase = "); + DEBUG_RL_FULL_D(phase, 1); + DEBUG_RL_FULL_S(", Delay = "); + DEBUG_RL_FULL_D(delay, 2); + DEBUG_RL_FULL_S("\n"); + + /* + * Broadcast to all PUPs current RL delays: DQS phase,leveling + * delay + */ + ddr3_write_pup_reg(PUP_RL_MODE, cs, PUP_BC, phase, delay); + + /* Reset PHY read FIFO */ + reg = reg_read(REG_DRAM_TRAINING_2_ADDR) | + (1 << REG_DRAM_TRAINING_2_FIFO_RST_OFFS); + /* 0x15B8 - Training SW 2 Register */ + reg_write(REG_DRAM_TRAINING_2_ADDR, reg); + + do { + reg = (reg_read(REG_DRAM_TRAINING_2_ADDR)) & + (1 << REG_DRAM_TRAINING_2_FIFO_RST_OFFS); + } while (reg); /* Wait for '0' */ + + /* Read pattern from SDRAM */ + sdram_offset = cs * (SDRAM_CS_SIZE + 1) + SDRAM_RL_OFFS; + locked_pups = 0; + if (MV_OK != + ddr3_sdram_compare(dram_info, 0xFF, &locked_pups, + rl_pattern, LEN_STD_PATTERN, + sdram_offset, 0, 0, NULL, 0)) + return MV_DDR3_TRAINING_ERR_RD_LVL_WIN_PATTERN; + + /* Octet evaluation */ + for (pup = 0; pup < (dram_info->num_of_std_pups * + (1 - ecc) + ecc); pup++) { + /* pup_num = Q or 1 for ECC */ + int idx; + + idx = pup + ecc * ECC_BIT; + + /* Check Overrun */ + if (!((reg_read(REG_DRAM_TRAINING_2_ADDR) >> + (REG_DRAM_TRAINING_2_OVERRUN_OFFS + + pup)) & 0x1)) { + /* If no OverRun */ + + /* Inside the window */ + if (dram_info->rl_val[cs][idx][S] == RL_WINDOW_STATE) { + /* + * Match expected value ? - Update + * State Machine + */ + if (((~locked_pups >> pup) & 0x1) + && (final_delay == 0)) { + /* Match - Still inside the Window */ + DEBUG_RL_FULL_C("DDR3 - Read Leveling - We got another match inside the window for pup: ", + (u32)pup, 1); + + } else { + /* We got fail -> this is the end of the window */ + dram_info->rl_val[cs][idx][DE] = delay; + dram_info->rl_val[cs][idx][PE] = phase; + /* Go to Final State */ + dram_info->rl_val[cs][idx][S]++; + final_sum++; + DEBUG_RL_FULL_C("DDR3 - Read Leveling - We finished the window for pup: ", + (u32)pup, 1); + } + + /* Before the start of the window */ + } else if (dram_info->rl_val[cs][idx][S] == + RL_UNLOCK_STATE) { + /* Must be RL_UNLOCK_STATE */ + /* + * Match expected value ? - Update + * State Machine + */ + if (dram_info->rl_val[cs][idx][C] < + RL_RETRY_COUNT) { + if (((~locked_pups >> pup) & 0x1)) { + /* Match */ + DEBUG_RL_FULL_C("DDR3 - Read Leveling - We have no overrun and a match on pup: ", + (u32)pup, 1); + dram_info->rl_val[cs][idx][C]++; + + /* If pup got to last state - lock the delays */ + if (dram_info->rl_val[cs][idx][C] == + RL_RETRY_COUNT) { + dram_info->rl_val[cs][idx][C] = 0; + dram_info->rl_val[cs][idx][DS] = + delay; + dram_info->rl_val[cs][idx][PS] = + phase; + dram_info->rl_val[cs][idx][S]++; /* Go to Window State */ + locked_sum++; + /* Will count the pups that got locked */ + + /* IF First lock - need to lock delays */ + if (first_octet_locked == 0) { + DEBUG_RL_FULL_C("DDR3 - Read Leveling - We got first lock on pup: ", + (u32)pup, 1); + first_octet_locked + = + 1; + } + } + + /* if pup is in not in final state but there was match - dont increment counter */ + else { + counter_in_progress + = 1; + } + } + } + } + } else { + DEBUG_RL_FULL_C("DDR3 - Read Leveling - We got overrun on pup: ", + (u32)pup, 1); + counter_in_progress = 1; + } + } + + if (final_sum == (dram_info->num_of_std_pups * (1 - ecc) + ecc)) { + all_locked = 1; + DEBUG_RL_FULL_S("DDR3 - Read Leveling - Single Cs - All pups locked\n"); + } + + /* + * This is a fix for unstable condition where pups are + * toggling between match and no match + */ + /* + * If some of the pups is >1 <3, check if we did it too many + * times + */ + if (counter_in_progress == 1) { + if (repeat_max_cnt < RL_RETRY_COUNT) { + /* Notify at least one Counter is >=1 and < 3 */ + repeat_max_cnt++; + counter_in_progress = 1; + DEBUG_RL_FULL_S("DDR3 - Read Leveling - Counter is >=1 and <3\n"); + DEBUG_RL_FULL_S("DDR3 - Read Leveling - So we will not increment the delay to see if locked again\n"); + } else { + DEBUG_RL_FULL_S("DDR3 - Read Leveling - repeat_max_cnt reached max so now we will increment the delay\n"); + counter_in_progress = 0; + } + } + + /* + * Check some of the pups are in the middle of state machine + * and don't increment the delays + */ + if (!counter_in_progress && !all_locked) { + repeat_max_cnt = 0; + if (!ratio_2to1) + ui_max_delay = MAX_DELAY_INV; + else + ui_max_delay = MAX_DELAY; + + /* Increment Delay */ + if (delay < ui_max_delay) { + /* Delay Incrementation */ + delay++; + if (delay == ui_max_delay) { + /* + * Mark the last delay/pahse place + * for window final place + */ + if ((!ratio_2to1 + && phase == MAX_PHASE_RL_L_1TO1) + || (ratio_2to1 + && phase == + MAX_PHASE_RL_L_2TO1)) + final_delay = 1; + } + } else { + /* Phase+CL Incrementation */ + delay = 0; + if (!ratio_2to1) { + /* 1:1 mode */ + if (first_octet_locked) { + /* some pupet was Locked */ + if (phase < MAX_PHASE_RL_L_1TO1) { +#ifdef RL_WINDOW_WA + if (phase == 0) +#else + if (phase == 1) +#endif + phase = 4; + else + phase++; + } else { + DEBUG_RL_FULL_S("DDR3 - Read Leveling - ERROR - NOT all PUPs Locked\n"); + return MV_DDR3_TRAINING_ERR_RD_LVL_WIN_PUP_UNLOCK; + } + } else { + /* No Pup was Locked */ + if (phase < MAX_PHASE_RL_UL_1TO1) { +#ifdef RL_WINDOW_WA + if (phase == 0) + phase = 4; +#else + phase++; +#endif + } else + phase = 0; + } + } else { + /* 2:1 mode */ + if (first_octet_locked) { + /* Some Pup was Locked */ + if (phase < MAX_PHASE_RL_L_2TO1) { + phase++; + } else { + DEBUG_RL_FULL_S("DDR3 - Read Leveling - ERROR - NOT all PUPs Locked\n"); + return MV_DDR3_TRAINING_ERR_RD_LVL_WIN_PUP_UNLOCK; + } + } else { + /* No Pup was Locked */ + if (phase < MAX_PHASE_RL_UL_2TO1) + phase++; + else + phase = 0; + } + } + + /* + * If we finished a full Phases cycle (so + * now phase = 0, need to increment + * rd_sample_dly + */ + if (phase == 0 && first_octet_locked == 0) { + rd_sample_delay++; + + /* Set current rd_sample_delay */ + reg = reg_read(REG_READ_DATA_SAMPLE_DELAYS_ADDR); + reg &= ~(REG_READ_DATA_SAMPLE_DELAYS_MASK << + (REG_READ_DATA_SAMPLE_DELAYS_OFFS + * cs)); + reg |= (rd_sample_delay << + (REG_READ_DATA_SAMPLE_DELAYS_OFFS * + cs)); + reg_write(REG_READ_DATA_SAMPLE_DELAYS_ADDR, + reg); + } + + /* + * Set current rdReadyDelay according to the + * hash table (Need to do this in every phase + * change) + */ + if (!ratio_2to1) { + /* 1:1 mode */ + add = reg_read(REG_TRAINING_DEBUG_2_ADDR); + switch (phase) { + case 0: + add = add >> + REG_TRAINING_DEBUG_2_OFFS; + break; + case 1: + add = add >> + (REG_TRAINING_DEBUG_2_OFFS + + 3); + break; + case 4: + add = add >> + (REG_TRAINING_DEBUG_2_OFFS + + 6); + break; + case 5: + add = add >> + (REG_TRAINING_DEBUG_2_OFFS + + 9); + break; + } + } else { + /* 2:1 mode */ + add = reg_read(REG_TRAINING_DEBUG_3_ADDR); + add = (add >> phase * + REG_TRAINING_DEBUG_3_OFFS); + } + add &= REG_TRAINING_DEBUG_2_MASK; + reg = reg_read(REG_READ_DATA_READY_DELAYS_ADDR); + reg &= ~(REG_READ_DATA_READY_DELAYS_MASK << + (REG_READ_DATA_READY_DELAYS_OFFS * cs)); + reg |= ((rd_sample_delay + add) << + (REG_READ_DATA_READY_DELAYS_OFFS * cs)); + reg_write(REG_READ_DATA_READY_DELAYS_ADDR, reg); + dram_info->rd_smpl_dly = rd_sample_delay; + dram_info->rd_rdy_dly = rd_sample_delay + add; + } + + /* Reset counters for pups with states<RD_STATE_COUNT */ + for (pup = 0; + pup < + (dram_info->num_of_std_pups * (1 - ecc) + ecc); + pup++) { + if (dram_info->rl_val[cs][idx][C] < RL_RETRY_COUNT) + dram_info->rl_val[cs][idx][C] = 0; + } + } + } + + phase_min = 10; + + for (pup = 0; pup < (dram_info->num_of_std_pups); pup++) { + DEBUG_RL_S("DDR3 - Read Leveling - Window info - PUP: "); + DEBUG_RL_D((u32) pup, 1); + DEBUG_RL_S(", PS: "); + DEBUG_RL_D((u32) dram_info->rl_val[cs][pup][PS], 1); + DEBUG_RL_S(", DS: "); + DEBUG_RL_D((u32) dram_info->rl_val[cs][pup][DS], 2); + DEBUG_RL_S(", PE: "); + DEBUG_RL_D((u32) dram_info->rl_val[cs][pup][PE], 1); + DEBUG_RL_S(", DE: "); + DEBUG_RL_D((u32) dram_info->rl_val[cs][pup][DE], 2); + DEBUG_RL_S("\n"); + } + + /* Find center of the window procedure */ + for (pup = 0; pup < (dram_info->num_of_std_pups * (1 - ecc) + ecc); + pup++) { +#ifdef RL_WINDOW_WA + if (!ratio_2to1) { /* 1:1 mode */ + if (dram_info->rl_val[cs][idx][PS] == 4) + dram_info->rl_val[cs][idx][PS] = 1; + if (dram_info->rl_val[cs][idx][PE] == 4) + dram_info->rl_val[cs][idx][PE] = 1; + + delay_s = dram_info->rl_val[cs][idx][PS] * + MAX_DELAY_INV + dram_info->rl_val[cs][idx][DS]; + delay_e = dram_info->rl_val[cs][idx][PE] * + MAX_DELAY_INV + dram_info->rl_val[cs][idx][DE]; + + tmp = (delay_e - delay_s) / 2 + delay_s; + phase = tmp / MAX_DELAY_INV; + if (phase == 1) /* 1:1 mode */ + phase = 4; + + if (phase < phase_min) /* for the read ready delay */ + phase_min = phase; + + dram_info->rl_val[cs][idx][P] = phase; + dram_info->rl_val[cs][idx][D] = tmp % MAX_DELAY_INV; + + } else { + delay_s = dram_info->rl_val[cs][idx][PS] * + MAX_DELAY + dram_info->rl_val[cs][idx][DS]; + delay_e = dram_info->rl_val[cs][idx][PE] * + MAX_DELAY + dram_info->rl_val[cs][idx][DE]; + + tmp = (delay_e - delay_s) / 2 + delay_s; + phase = tmp / MAX_DELAY; + + if (phase < phase_min) /* for the read ready delay */ + phase_min = phase; + + dram_info->rl_val[cs][idx][P] = phase; + dram_info->rl_val[cs][idx][D] = tmp % MAX_DELAY; + } +#else + if (!ratio_2to1) { /* 1:1 mode */ + if (dram_info->rl_val[cs][idx][PS] > 1) + dram_info->rl_val[cs][idx][PS] -= 2; + if (dram_info->rl_val[cs][idx][PE] > 1) + dram_info->rl_val[cs][idx][PE] -= 2; + } + + delay_s = dram_info->rl_val[cs][idx][PS] * MAX_DELAY + + dram_info->rl_val[cs][idx][DS]; + delay_e = dram_info->rl_val[cs][idx][PE] * MAX_DELAY + + dram_info->rl_val[cs][idx][DE]; + + tmp = (delay_e - delay_s) / 2 + delay_s; + phase = tmp / MAX_DELAY; + if (!ratio_2to1 && phase > 1) /* 1:1 mode */ + phase += 2; + + if (phase < phase_min) /* for the read ready delay */ + phase_min = phase; + + dram_info->rl_val[cs][idx][P] = phase; + dram_info->rl_val[cs][idx][D] = tmp % MAX_DELAY; +#endif + } + + /* Set current rdReadyDelay according to the hash table (Need to do this in every phase change) */ + if (!ratio_2to1) { /* 1:1 mode */ + add = reg_read(REG_TRAINING_DEBUG_2_ADDR); + switch (phase_min) { + case 0: + add = (add >> REG_TRAINING_DEBUG_2_OFFS); + break; + case 1: + add = (add >> (REG_TRAINING_DEBUG_2_OFFS + 3)); + break; + case 4: + add = (add >> (REG_TRAINING_DEBUG_2_OFFS + 6)); + break; + case 5: + add = (add >> (REG_TRAINING_DEBUG_2_OFFS + 9)); + break; + } + } else { /* 2:1 mode */ + add = reg_read(REG_TRAINING_DEBUG_3_ADDR); + add = (add >> phase_min * REG_TRAINING_DEBUG_3_OFFS); + } + + add &= REG_TRAINING_DEBUG_2_MASK; + reg = reg_read(REG_READ_DATA_READY_DELAYS_ADDR); + reg &= + ~(REG_READ_DATA_READY_DELAYS_MASK << + (REG_READ_DATA_READY_DELAYS_OFFS * cs)); + reg |= + ((rd_sample_delay + add) << (REG_READ_DATA_READY_DELAYS_OFFS * cs)); + reg_write(REG_READ_DATA_READY_DELAYS_ADDR, reg); + dram_info->rd_rdy_dly = rd_sample_delay + add; + + for (cs = 0; cs < dram_info->num_cs; cs++) { + for (pup = 0; pup < dram_info->num_of_total_pups; pup++) { + reg = ddr3_read_pup_reg(PUP_RL_MODE + 0x1, cs, pup); + dram_info->rl_val[cs][pup][DQS] = (reg & 0x3F); + } + } + + return MV_OK; +} +#endif diff --git a/drivers/ddr/mvebu/ddr3_sdram.c b/drivers/ddr/mvebu/ddr3_sdram.c new file mode 100644 index 0000000..50c1bf8 --- /dev/null +++ b/drivers/ddr/mvebu/ddr3_sdram.c @@ -0,0 +1,669 @@ +/* + * Copyright (C) Marvell International Ltd. and its affiliates + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#include <common.h> +#include <i2c.h> +#include <spl.h> +#include <asm/io.h> +#include <asm/arch/cpu.h> +#include <asm/arch/soc.h> + +#include "ddr3_hw_training.h" +#include "xor.h" +#include "xor_regs.h" + +static void ddr3_flush_l1_line(u32 line); + +extern u32 pbs_pattern[2][LEN_16BIT_PBS_PATTERN]; +extern u32 pbs_pattern_32b[2][LEN_PBS_PATTERN]; +#if defined(MV88F78X60) +extern u32 pbs_pattern_64b[2][LEN_PBS_PATTERN]; +#endif +extern u32 pbs_dq_mapping[PUP_NUM_64BIT][DQ_NUM]; + +#if defined(MV88F78X60) || defined(MV88F672X) +/* PBS locked dq (per pup) */ +u32 pbs_locked_dq[MAX_PUP_NUM][DQ_NUM] = { { 0 } }; +u32 pbs_locked_dm[MAX_PUP_NUM] = { 0 }; +u32 pbs_locked_value[MAX_PUP_NUM][DQ_NUM] = { { 0 } }; + +int per_bit_data[MAX_PUP_NUM][DQ_NUM]; +#endif + +static u32 sdram_data[LEN_KILLER_PATTERN] __aligned(32) = { 0 }; + +static struct crc_dma_desc dma_desc __aligned(32) = { 0 }; + +#define XOR_TIMEOUT 0x8000000 + +struct xor_channel_t { + struct crc_dma_desc *desc; + unsigned long desc_phys_addr; +}; + +#define XOR_CAUSE_DONE_MASK(chan) ((0x1 | 0x2) << (chan * 16)) + +void xor_waiton_eng(int chan) +{ + int timeout; + + timeout = 0; + while (!(reg_read(XOR_CAUSE_REG(XOR_UNIT(chan))) & + XOR_CAUSE_DONE_MASK(XOR_CHAN(chan)))) { + if (timeout > XOR_TIMEOUT) + goto timeout; + + timeout++; + } + + timeout = 0; + while (mv_xor_state_get(chan) != MV_IDLE) { + if (timeout > XOR_TIMEOUT) + goto timeout; + + timeout++; + } + + /* Clear int */ + reg_write(XOR_CAUSE_REG(XOR_UNIT(chan)), + ~(XOR_CAUSE_DONE_MASK(XOR_CHAN(chan)))); + +timeout: + return; +} + +static int special_compare_pattern(u32 uj) +{ + if ((uj == 30) || (uj == 31) || (uj == 61) || (uj == 62) || + (uj == 93) || (uj == 94) || (uj == 126) || (uj == 127)) + return 1; + + return 0; +} + +/* + * Compare code extracted as its used by multiple functions. This + * reduces code-size and makes it easier to maintain it. Additionally + * the code is not indented that much and therefore easier to read. + */ +static void compare_pattern_v1(u32 uj, u32 *pup, u32 *pattern, + u32 pup_groups, int debug_dqs) +{ + u32 val; + u32 uk; + u32 var1; + u32 var2; + __maybe_unused u32 dq; + + if (((sdram_data[uj]) != (pattern[uj])) && (*pup != 0xFF)) { + for (uk = 0; uk < PUP_NUM_32BIT; uk++) { + val = CMP_BYTE_SHIFT * uk; + var1 = ((sdram_data[uj] >> val) & CMP_BYTE_MASK); + var2 = ((pattern[uj] >> val) & CMP_BYTE_MASK); + + if (var1 != var2) { + *pup |= (1 << (uk + (PUP_NUM_32BIT * + (uj % pup_groups)))); + +#ifdef MV_DEBUG_DQS + if (!debug_dqs) + continue; + + for (dq = 0; dq < DQ_NUM; dq++) { + val = uk + (PUP_NUM_32BIT * + (uj % pup_groups)); + if (((var1 >> dq) & 0x1) != + ((var2 >> dq) & 0x1)) + per_bit_data[val][dq] = 1; + else + per_bit_data[val][dq] = 0; + } +#endif + } + } + } +} + +static void compare_pattern_v2(u32 uj, u32 *pup, u32 *pattern) +{ + u32 val; + u32 uk; + u32 var1; + u32 var2; + + if (((sdram_data[uj]) != (pattern[uj])) && (*pup != 0x3)) { + /* Found error */ + for (uk = 0; uk < PUP_NUM_32BIT; uk++) { + val = CMP_BYTE_SHIFT * uk; + var1 = (sdram_data[uj] >> val) & CMP_BYTE_MASK; + var2 = (pattern[uj] >> val) & CMP_BYTE_MASK; + if (var1 != var2) + *pup |= (1 << (uk % PUP_NUM_16BIT)); + } + } +} + +/* + * Name: ddr3_sdram_compare + * Desc: Execute compare per PUP + * Args: unlock_pup Bit array of the unlock pups + * new_locked_pup Output bit array of the pups with failed compare + * pattern Pattern to compare + * pattern_len Length of pattern (in bytes) + * sdram_offset offset address to the SDRAM + * write write to the SDRAM before read + * mask compare pattern with mask; + * mask_pattern Mask to compare pattern + * + * Notes: + * Returns: MV_OK if success, other error code if fail. + */ +int ddr3_sdram_compare(MV_DRAM_INFO *dram_info, u32 unlock_pup, + u32 *new_locked_pup, u32 *pattern, + u32 pattern_len, u32 sdram_offset, int write, + int mask, u32 *mask_pattern, + int special_compare) +{ + u32 uj; + __maybe_unused u32 pup_groups; + __maybe_unused u32 dq; + +#if !defined(MV88F67XX) + if (dram_info->num_of_std_pups == PUP_NUM_64BIT) + pup_groups = 2; + else + pup_groups = 1; +#endif + + ddr3_reset_phy_read_fifo(); + + /* Check if need to write to sdram before read */ + if (write == 1) + ddr3_dram_sram_burst((u32)pattern, sdram_offset, pattern_len); + + ddr3_dram_sram_burst(sdram_offset, (u32)sdram_data, pattern_len); + + /* Compare read result to write */ + for (uj = 0; uj < pattern_len; uj++) { + if (special_compare && special_compare_pattern(uj)) + continue; + +#if defined(MV88F78X60) || defined(MV88F672X) + compare_pattern_v1(uj, new_locked_pup, pattern, pup_groups, 1); +#elif defined(MV88F67XX) + compare_pattern_v2(uj, new_locked_pup, pattern); +#endif + } + + return MV_OK; +} + +#if defined(MV88F78X60) || defined(MV88F672X) +/* + * Name: ddr3_sdram_dm_compare + * Desc: Execute compare per PUP + * Args: unlock_pup Bit array of the unlock pups + * new_locked_pup Output bit array of the pups with failed compare + * pattern Pattern to compare + * pattern_len Length of pattern (in bytes) + * sdram_offset offset address to the SDRAM + * write write to the SDRAM before read + * mask compare pattern with mask; + * mask_pattern Mask to compare pattern + * + * Notes: + * Returns: MV_OK if success, other error code if fail. + */ +int ddr3_sdram_dm_compare(MV_DRAM_INFO *dram_info, u32 unlock_pup, + u32 *new_locked_pup, u32 *pattern, + u32 sdram_offset) +{ + u32 uj, uk, var1, var2, pup_groups; + u32 val; + u32 pup = 0; + + if (dram_info->num_of_std_pups == PUP_NUM_64BIT) + pup_groups = 2; + else + pup_groups = 1; + + ddr3_dram_sram_burst((u32)pattern, SDRAM_PBS_TX_OFFS, + LEN_PBS_PATTERN); + ddr3_dram_sram_burst(SDRAM_PBS_TX_OFFS, (u32)sdram_data, + LEN_PBS_PATTERN); + + /* Validate the correctness of the results */ + for (uj = 0; uj < LEN_PBS_PATTERN; uj++) + compare_pattern_v1(uj, &pup, pattern, pup_groups, 0); + + /* Test the DM Signals */ + *(u32 *)(SDRAM_PBS_TX_OFFS + 0x10) = 0x12345678; + *(u32 *)(SDRAM_PBS_TX_OFFS + 0x14) = 0x12345678; + + sdram_data[0] = *(u32 *)(SDRAM_PBS_TX_OFFS + 0x10); + sdram_data[1] = *(u32 *)(SDRAM_PBS_TX_OFFS + 0x14); + + for (uj = 0; uj < 2; uj++) { + if (((sdram_data[uj]) != (pattern[uj])) && + (*new_locked_pup != 0xFF)) { + for (uk = 0; uk < PUP_NUM_32BIT; uk++) { + val = CMP_BYTE_SHIFT * uk; + var1 = ((sdram_data[uj] >> val) & CMP_BYTE_MASK); + var2 = ((pattern[uj] >> val) & CMP_BYTE_MASK); + if (var1 != var2) { + *new_locked_pup |= (1 << (uk + + (PUP_NUM_32BIT * (uj % pup_groups)))); + *new_locked_pup |= pup; + } + } + } + } + + return MV_OK; +} + +/* + * Name: ddr3_sdram_pbs_compare + * Desc: Execute SRAM compare per PUP and DQ. + * Args: pup_locked bit array of locked pups + * is_tx Indicate whether Rx or Tx + * pbs_pattern_idx Index of PBS pattern + * pbs_curr_val The PBS value + * pbs_lock_val The value to set to locked PBS + * skew_array Global array to update with the compare results + * ai_unlock_pup_dq_array bit array of the locked / unlocked pups per dq. + * Notes: + * Returns: MV_OK if success, other error code if fail. + */ +int ddr3_sdram_pbs_compare(MV_DRAM_INFO *dram_info, u32 pup_locked, + int is_tx, u32 pbs_pattern_idx, + u32 pbs_curr_val, u32 pbs_lock_val, + u32 *skew_array, u8 *unlock_pup_dq_array, + u32 ecc) +{ + /* bit array failed dq per pup for current compare */ + u32 pbs_write_pup[DQ_NUM] = { 0 }; + u32 update_pup; /* pup as HW convention */ + u32 max_pup; /* maximal pup index */ + u32 pup_addr; + u32 ui, dq, pup; + int var1, var2; + u32 sdram_offset, pup_groups, tmp_pup; + u32 *pattern_ptr; + u32 val; + + /* Choose pattern */ + switch (dram_info->ddr_width) { +#if defined(MV88F672X) + case 16: + pattern_ptr = (u32 *)&pbs_pattern[pbs_pattern_idx]; + break; +#endif + case 32: + pattern_ptr = (u32 *)&pbs_pattern_32b[pbs_pattern_idx]; + break; +#if defined(MV88F78X60) + case 64: + pattern_ptr = (u32 *)&pbs_pattern_64b[pbs_pattern_idx]; + break; +#endif + default: + return MV_FAIL; + } + + max_pup = dram_info->num_of_std_pups; + + sdram_offset = SDRAM_PBS_I_OFFS + pbs_pattern_idx * SDRAM_PBS_NEXT_OFFS; + + if (dram_info->num_of_std_pups == PUP_NUM_64BIT) + pup_groups = 2; + else + pup_groups = 1; + + ddr3_reset_phy_read_fifo(); + + /* Check if need to write to sdram before read */ + if (is_tx == 1) { + ddr3_dram_sram_burst((u32)pattern_ptr, sdram_offset, + LEN_PBS_PATTERN); + } + + ddr3_dram_sram_read(sdram_offset, (u32)sdram_data, LEN_PBS_PATTERN); + + /* Compare read result to write */ + for (ui = 0; ui < LEN_PBS_PATTERN; ui++) { + if ((sdram_data[ui]) != (pattern_ptr[ui])) { + /* found error */ + /* error in low pup group */ + for (pup = 0; pup < PUP_NUM_32BIT; pup++) { + val = CMP_BYTE_SHIFT * pup; + var1 = ((sdram_data[ui] >> val) & + CMP_BYTE_MASK); + var2 = ((pattern_ptr[ui] >> val) & + CMP_BYTE_MASK); + + if (var1 != var2) { + if (dram_info->ddr_width > 16) { + tmp_pup = (pup + PUP_NUM_32BIT * + (ui % pup_groups)); + } else { + tmp_pup = (pup % PUP_NUM_16BIT); + } + + update_pup = (1 << tmp_pup); + if (ecc && (update_pup != 0x1)) + continue; + + /* + * Pup is failed - Go over all DQs and + * look for failures + */ + for (dq = 0; dq < DQ_NUM; dq++) { + val = tmp_pup * (1 - ecc) + + ecc * ECC_PUP; + if (((var1 >> dq) & 0x1) != + ((var2 >> dq) & 0x1)) { + if (pbs_locked_dq[val][dq] == 1 && + pbs_locked_value[val][dq] != pbs_curr_val) + continue; + + /* + * Activate write to + * update PBS to + * pbs_lock_val + */ + pbs_write_pup[dq] |= + update_pup; + + /* + * Update the + * unlock_pup_dq_array + */ + unlock_pup_dq_array[dq] &= + ~update_pup; + + /* + * Lock PBS value for + * failed bits in + * compare operation + */ + skew_array[tmp_pup * DQ_NUM + dq] = + pbs_curr_val; + } + } + } + } + } + } + + pup_addr = (is_tx == 1) ? PUP_PBS_TX : PUP_PBS_RX; + + /* Set last failed bits PBS to min / max pbs value */ + for (dq = 0; dq < DQ_NUM; dq++) { + for (pup = 0; pup < max_pup; pup++) { + if (pbs_write_pup[dq] & (1 << pup)) { + val = pup * (1 - ecc) + ecc * ECC_PUP; + if (pbs_locked_dq[val][dq] == 1 && + pbs_locked_value[val][dq] != pbs_curr_val) + continue; + + /* Mark the dq as locked */ + pbs_locked_dq[val][dq] = 1; + pbs_locked_value[val][dq] = pbs_curr_val; + ddr3_write_pup_reg(pup_addr + + pbs_dq_mapping[val][dq], + CS0, val, 0, pbs_lock_val); + } + } + } + + return MV_OK; +} +#endif + +/* + * Name: ddr3_sdram_direct_compare + * Desc: Execute compare per PUP without DMA (no burst mode) + * Args: unlock_pup Bit array of the unlock pups + * new_locked_pup Output bit array of the pups with failed compare + * pattern Pattern to compare + * pattern_len Length of pattern (in bytes) + * sdram_offset offset address to the SDRAM + * write write to the SDRAM before read + * mask compare pattern with mask; + * auiMaskPatter Mask to compare pattern + * + * Notes: + * Returns: MV_OK if success, other error code if fail. + */ +int ddr3_sdram_direct_compare(MV_DRAM_INFO *dram_info, u32 unlock_pup, + u32 *new_locked_pup, u32 *pattern, + u32 pattern_len, u32 sdram_offset, + int write, int mask, u32 *mask_pattern) +{ + u32 uj, uk, pup_groups; + u32 *sdram_addr; /* used to read from SDRAM */ + + sdram_addr = (u32 *)sdram_offset; + + if (dram_info->num_of_std_pups == PUP_NUM_64BIT) + pup_groups = 2; + else + pup_groups = 1; + + /* Check if need to write before read */ + if (write == 1) { + for (uk = 0; uk < pattern_len; uk++) { + *sdram_addr = pattern[uk]; + sdram_addr++; + } + } + + sdram_addr = (u32 *)sdram_offset; + + for (uk = 0; uk < pattern_len; uk++) { + sdram_data[uk] = *sdram_addr; + sdram_addr++; + } + + /* Compare read result to write */ + for (uj = 0; uj < pattern_len; uj++) { + if (dram_info->ddr_width > 16) { + compare_pattern_v1(uj, new_locked_pup, pattern, + pup_groups, 0); + } else { + compare_pattern_v2(uj, new_locked_pup, pattern); + } + } + + return MV_OK; +} + +/* + * Name: ddr3_dram_sram_burst + * Desc: Read from the SDRAM in burst of 64 bytes + * Args: src + * dst + * Notes: Using the XOR mechanism + * Returns: MV_OK if success, other error code if fail. + */ +int ddr3_dram_sram_burst(u32 src, u32 dst, u32 len) +{ + u32 chan, byte_count, cs_num, byte; + struct xor_channel_t channel; + + chan = 0; + byte_count = len * 4; + + /* Wait for previous transfer completion */ + while (mv_xor_state_get(chan) != MV_IDLE) + ; + + /* Build the channel descriptor */ + channel.desc = &dma_desc; + + /* Enable Address Override and set correct src and dst */ + if (src < SRAM_BASE) { + /* src is DRAM CS, dst is SRAM */ + cs_num = (src / (1 + SDRAM_CS_SIZE)); + reg_write(XOR_ADDR_OVRD_REG(0, 0), + ((cs_num << 1) | (1 << 0))); + channel.desc->src_addr0 = (src % (1 + SDRAM_CS_SIZE)); + channel.desc->dst_addr = dst; + } else { + /* src is SRAM, dst is DRAM CS */ + cs_num = (dst / (1 + SDRAM_CS_SIZE)); + reg_write(XOR_ADDR_OVRD_REG(0, 0), + ((cs_num << 25) | (1 << 24))); + channel.desc->src_addr0 = (src); + channel.desc->dst_addr = (dst % (1 + SDRAM_CS_SIZE)); + channel.desc->src_addr0 = src; + channel.desc->dst_addr = (dst % (1 + SDRAM_CS_SIZE)); + } + + channel.desc->src_addr1 = 0; + channel.desc->byte_cnt = byte_count; + channel.desc->next_desc_ptr = 0; + channel.desc->status = 1 << 31; + channel.desc->desc_cmd = 0x0; + channel.desc_phys_addr = (unsigned long)&dma_desc; + + ddr3_flush_l1_line((u32)&dma_desc); + + /* Issue the transfer */ + if (mv_xor_transfer(chan, MV_DMA, channel.desc_phys_addr) != MV_OK) + return MV_FAIL; + + /* Wait for completion */ + xor_waiton_eng(chan); + + if (dst > SRAM_BASE) { + for (byte = 0; byte < byte_count; byte += 0x20) + cache_inv(dst + byte); + } + + return MV_OK; +} + +/* + * Name: ddr3_flush_l1_line + * Desc: + * Args: + * Notes: + * Returns: MV_OK if success, other error code if fail. + */ +static void ddr3_flush_l1_line(u32 line) +{ + u32 reg; + +#if defined(MV88F672X) + reg = 1; +#else + reg = reg_read(REG_SAMPLE_RESET_LOW_ADDR) & + (1 << REG_SAMPLE_RESET_CPU_ARCH_OFFS); +#ifdef MV88F67XX + reg = ~reg & (1 << REG_SAMPLE_RESET_CPU_ARCH_OFFS); +#endif +#endif + + if (reg) { + /* V7 Arch mode */ + flush_l1_v7(line); + flush_l1_v7(line + CACHE_LINE_SIZE); + } else { + /* V6 Arch mode */ + flush_l1_v6(line); + flush_l1_v6(line + CACHE_LINE_SIZE); + } +} + +int ddr3_dram_sram_read(u32 src, u32 dst, u32 len) +{ + u32 ui; + u32 *dst_ptr, *src_ptr; + + dst_ptr = (u32 *)dst; + src_ptr = (u32 *)src; + + for (ui = 0; ui < len; ui++) { + *dst_ptr = *src_ptr; + dst_ptr++; + src_ptr++; + } + + return MV_OK; +} + +int ddr3_sdram_dqs_compare(MV_DRAM_INFO *dram_info, u32 unlock_pup, + u32 *new_locked_pup, u32 *pattern, + u32 pattern_len, u32 sdram_offset, int write, + int mask, u32 *mask_pattern, + int special_compare) +{ + u32 uj, pup_groups; + + if (dram_info->num_of_std_pups == PUP_NUM_64BIT) + pup_groups = 2; + else + pup_groups = 1; + + ddr3_reset_phy_read_fifo(); + + /* Check if need to write to sdram before read */ + if (write == 1) + ddr3_dram_sram_burst((u32)pattern, sdram_offset, pattern_len); + + ddr3_dram_sram_burst(sdram_offset, (u32)sdram_data, pattern_len); + + /* Compare read result to write */ + for (uj = 0; uj < pattern_len; uj++) { + if (special_compare && special_compare_pattern(uj)) + continue; + + if (dram_info->ddr_width > 16) { + compare_pattern_v1(uj, new_locked_pup, pattern, + pup_groups, 1); + } else { + compare_pattern_v2(uj, new_locked_pup, pattern); + } + } + + return MV_OK; +} + +void ddr3_reset_phy_read_fifo(void) +{ + u32 reg; + + /* reset read FIFO */ + reg = reg_read(REG_DRAM_TRAINING_ADDR); + /* Start Auto Read Leveling procedure */ + reg |= (1 << REG_DRAM_TRAINING_RL_OFFS); + + /* 0x15B0 - Training Register */ + reg_write(REG_DRAM_TRAINING_ADDR, reg); + + reg = reg_read(REG_DRAM_TRAINING_2_ADDR); + reg |= ((1 << REG_DRAM_TRAINING_2_FIFO_RST_OFFS) + + (1 << REG_DRAM_TRAINING_2_SW_OVRD_OFFS)); + + /* [0] = 1 - Enable SW override, [4] = 1 - FIFO reset */ + /* 0x15B8 - Training SW 2 Register */ + reg_write(REG_DRAM_TRAINING_2_ADDR, reg); + + do { + reg = reg_read(REG_DRAM_TRAINING_2_ADDR) & + (1 << REG_DRAM_TRAINING_2_FIFO_RST_OFFS); + } while (reg); /* Wait for '0' */ + + reg = reg_read(REG_DRAM_TRAINING_ADDR); + + /* Clear Auto Read Leveling procedure */ + reg &= ~(1 << REG_DRAM_TRAINING_RL_OFFS); + + /* 0x15B0 - Training Register */ + reg_write(REG_DRAM_TRAINING_ADDR, reg); +} diff --git a/drivers/ddr/mvebu/ddr3_spd.c b/drivers/ddr/mvebu/ddr3_spd.c new file mode 100644 index 0000000..f4f94c5 --- /dev/null +++ b/drivers/ddr/mvebu/ddr3_spd.c @@ -0,0 +1,1300 @@ +/* + * Copyright (C) Marvell International Ltd. and its affiliates + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#include <common.h> +#include <i2c.h> +#include <spl.h> +#include <asm/io.h> +#include <asm/arch/cpu.h> +#include <asm/arch/soc.h> + +#include "ddr3_init.h" + +#if defined(MV88F78X60) +#include "ddr3_axp_config.h" +#elif defined(MV88F67XX) +#include "ddr3_a370_config.h" +#endif + +#if defined(MV88F672X) +#include "ddr3_a375_config.h" +#endif + +#ifdef DUNIT_SPD + +/* DIMM SPD offsets */ +#define SPD_DEV_TYPE_BYTE 2 + +#define SPD_MODULE_TYPE_BYTE 3 +#define SPD_MODULE_MASK 0xf +#define SPD_MODULE_TYPE_RDIMM 1 +#define SPD_MODULE_TYPE_UDIMM 2 + +#define SPD_DEV_DENSITY_BYTE 4 +#define SPD_DEV_DENSITY_MASK 0xf + +#define SPD_ROW_NUM_BYTE 5 +#define SPD_ROW_NUM_MIN 12 +#define SPD_ROW_NUM_OFF 3 +#define SPD_ROW_NUM_MASK (7 << SPD_ROW_NUM_OFF) + +#define SPD_COL_NUM_BYTE 5 +#define SPD_COL_NUM_MIN 9 +#define SPD_COL_NUM_OFF 0 +#define SPD_COL_NUM_MASK (7 << SPD_COL_NUM_OFF) + +#define SPD_MODULE_ORG_BYTE 7 +#define SPD_MODULE_SDRAM_DEV_WIDTH_OFF 0 +#define SPD_MODULE_SDRAM_DEV_WIDTH_MASK (7 << SPD_MODULE_SDRAM_DEV_WIDTH_OFF) +#define SPD_MODULE_BANK_NUM_MIN 1 +#define SPD_MODULE_BANK_NUM_OFF 3 +#define SPD_MODULE_BANK_NUM_MASK (7 << SPD_MODULE_BANK_NUM_OFF) + +#define SPD_BUS_WIDTH_BYTE 8 +#define SPD_BUS_WIDTH_OFF 0 +#define SPD_BUS_WIDTH_MASK (7 << SPD_BUS_WIDTH_OFF) +#define SPD_BUS_ECC_OFF 3 +#define SPD_BUS_ECC_MASK (3 << SPD_BUS_ECC_OFF) + +#define SPD_MTB_DIVIDEND_BYTE 10 +#define SPD_MTB_DIVISOR_BYTE 11 +#define SPD_TCK_BYTE 12 +#define SPD_SUP_CAS_LAT_LSB_BYTE 14 +#define SPD_SUP_CAS_LAT_MSB_BYTE 15 +#define SPD_TAA_BYTE 16 +#define SPD_TWR_BYTE 17 +#define SPD_TRCD_BYTE 18 +#define SPD_TRRD_BYTE 19 +#define SPD_TRP_BYTE 20 + +#define SPD_TRAS_MSB_BYTE 21 +#define SPD_TRAS_MSB_MASK 0xf + +#define SPD_TRC_MSB_BYTE 21 +#define SPD_TRC_MSB_MASK 0xf0 + +#define SPD_TRAS_LSB_BYTE 22 +#define SPD_TRC_LSB_BYTE 23 +#define SPD_TRFC_LSB_BYTE 24 +#define SPD_TRFC_MSB_BYTE 25 +#define SPD_TWTR_BYTE 26 +#define SPD_TRTP_BYTE 27 + +#define SPD_TFAW_MSB_BYTE 28 +#define SPD_TFAW_MSB_MASK 0xf + +#define SPD_TFAW_LSB_BYTE 29 +#define SPD_OPT_FEATURES_BYTE 30 +#define SPD_THERMAL_REFRESH_OPT_BYTE 31 + +#define SPD_ADDR_MAP_BYTE 63 +#define SPD_ADDR_MAP_MIRROR_OFFS 0 + +#define SPD_RDIMM_RC_BYTE 69 +#define SPD_RDIMM_RC_NIBBLE_MASK 0xF +#define SPD_RDIMM_RC_NUM 16 + +/* Dimm Memory Type values */ +#define SPD_MEM_TYPE_SDRAM 0x4 +#define SPD_MEM_TYPE_DDR1 0x7 +#define SPD_MEM_TYPE_DDR2 0x8 +#define SPD_MEM_TYPE_DDR3 0xB + +#define DIMM_MODULE_MANU_OFFS 64 +#define DIMM_MODULE_MANU_SIZE 8 +#define DIMM_MODULE_VEN_OFFS 73 +#define DIMM_MODULE_VEN_SIZE 25 +#define DIMM_MODULE_ID_OFFS 99 +#define DIMM_MODULE_ID_SIZE 18 + +/* enumeration for voltage levels. */ +enum dimm_volt_if { + TTL_5V_TOLERANT, + LVTTL, + HSTL_1_5V, + SSTL_3_3V, + SSTL_2_5V, + VOLTAGE_UNKNOWN, +}; + +/* enumaration for SDRAM CAS Latencies. */ +enum dimm_sdram_cas { + SD_CL_1 = 1, + SD_CL_2, + SD_CL_3, + SD_CL_4, + SD_CL_5, + SD_CL_6, + SD_CL_7, + SD_FAULT +}; + +/* enumeration for memory types */ +enum memory_type { + MEM_TYPE_SDRAM, + MEM_TYPE_DDR1, + MEM_TYPE_DDR2, + MEM_TYPE_DDR3 +}; + +/* DIMM information structure */ +typedef struct dimm_info { + /* DIMM dimensions */ + u32 num_of_module_ranks; + u32 data_width; + u32 rank_capacity; + u32 num_of_devices; + + u32 sdram_width; + u32 num_of_banks_on_each_device; + u32 sdram_capacity; + + u32 num_of_row_addr; + u32 num_of_col_addr; + + u32 addr_mirroring; + + u32 err_check_type; /* ECC , PARITY.. */ + u32 type_info; /* DDR2 only */ + + /* DIMM timing parameters */ + u32 supported_cas_latencies; + u32 refresh_interval; + u32 min_cycle_time; + u32 min_row_precharge_time; + u32 min_row_active_to_row_active; + u32 min_ras_to_cas_delay; + u32 min_write_recovery_time; /* DDR3/2 only */ + u32 min_write_to_read_cmd_delay; /* DDR3/2 only */ + u32 min_read_to_prech_cmd_delay; /* DDR3/2 only */ + u32 min_active_to_precharge; + u32 min_refresh_recovery; /* DDR3/2 only */ + u32 min_cas_lat_time; + u32 min_four_active_win_delay; + u8 dimm_rc[SPD_RDIMM_RC_NUM]; + + /* DIMM vendor ID */ + u32 vendor; +} MV_DIMM_INFO; + +static int ddr3_spd_sum_init(MV_DIMM_INFO *info, MV_DIMM_INFO *sum_info, + u32 dimm); +static u32 ddr3_get_max_val(u32 spd_val, u32 dimm_num, u32 static_val); +static u32 ddr3_get_min_val(u32 spd_val, u32 dimm_num, u32 static_val); +static int ddr3_spd_init(MV_DIMM_INFO *info, u32 dimm_addr, u32 dimm_width); +static u32 ddr3_div(u32 val, u32 divider, u32 sub); + +extern u8 spd_data[SPD_SIZE]; +extern u32 odt_config[ODT_OPT]; +extern u16 odt_static[ODT_OPT][MAX_CS]; +extern u16 odt_dynamic[ODT_OPT][MAX_CS]; + +#if !(defined(DB_88F6710) || defined(DB_88F6710_PCAC) || defined(RD_88F6710)) +/* + * Name: ddr3_get_dimm_num - Find number of dimms and their addresses + * Desc: + * Args: dimm_addr - array of dimm addresses + * Notes: + * Returns: None. + */ +static u32 ddr3_get_dimm_num(u32 *dimm_addr) +{ + u32 dimm_cur_addr; + u8 data[3]; + u32 dimm_num = 0; + int ret; + + /* Read the dimm eeprom */ + for (dimm_cur_addr = MAX_DIMM_ADDR; dimm_cur_addr > MIN_DIMM_ADDR; + dimm_cur_addr--) { + data[SPD_DEV_TYPE_BYTE] = 0; + + /* Far-End DIMM must be connected */ + if ((dimm_num == 0) && (dimm_cur_addr < FAR_END_DIMM_ADDR)) + return 0; + + ret = i2c_read(dimm_cur_addr, 0, 1, (uchar *)data, 3); + if (!ret) { + if (data[SPD_DEV_TYPE_BYTE] == SPD_MEM_TYPE_DDR3) { + dimm_addr[dimm_num] = dimm_cur_addr; + dimm_num++; + } + } + } + + return dimm_num; +} +#endif + +/* + * Name: dimmSpdInit - Get the SPD parameters. + * Desc: Read the DIMM SPD parameters into given struct parameter. + * Args: dimmNum - DIMM number. See MV_BOARD_DIMM_NUM enumerator. + * info - DIMM information structure. + * Notes: + * Returns: MV_OK if function could read DIMM parameters, 0 otherwise. + */ +int ddr3_spd_init(MV_DIMM_INFO *info, u32 dimm_addr, u32 dimm_width) +{ + u32 tmp; + u32 time_base; + int ret; + __maybe_unused u32 rc; + __maybe_unused u8 vendor_high, vendor_low; + + if (dimm_addr != 0) { + memset(spd_data, 0, SPD_SIZE * sizeof(u8)); + + ret = i2c_read(dimm_addr, 0, 1, (uchar *)spd_data, SPD_SIZE); + if (ret) + return MV_DDR3_TRAINING_ERR_TWSI_FAIL; + } + + /* Check if DDR3 */ + if (spd_data[SPD_DEV_TYPE_BYTE] != SPD_MEM_TYPE_DDR3) + return MV_DDR3_TRAINING_ERR_TWSI_BAD_TYPE; + + /* Error Check Type */ + /* No byte for error check in DDR3 SPD, use DDR2 convention */ + info->err_check_type = 0; + + /* Check if ECC */ + if ((spd_data[SPD_BUS_WIDTH_BYTE] & 0x18) >> 3) + info->err_check_type = 1; + + DEBUG_INIT_FULL_C("DRAM err_check_type ", info->err_check_type, 1); + switch (spd_data[SPD_MODULE_TYPE_BYTE]) { + case 1: + /* support RDIMM */ + info->type_info = SPD_MODULE_TYPE_RDIMM; + break; + case 2: + /* support UDIMM */ + info->type_info = SPD_MODULE_TYPE_UDIMM; + break; + case 11: /* LRDIMM current not supported */ + default: + info->type_info = (spd_data[SPD_MODULE_TYPE_BYTE]); + break; + } + + /* Size Calculations: */ + + /* Number Of Row Addresses - 12/13/14/15/16 */ + info->num_of_row_addr = + (spd_data[SPD_ROW_NUM_BYTE] & SPD_ROW_NUM_MASK) >> + SPD_ROW_NUM_OFF; + info->num_of_row_addr += SPD_ROW_NUM_MIN; + DEBUG_INIT_FULL_C("DRAM num_of_row_addr ", info->num_of_row_addr, 2); + + /* Number Of Column Addresses - 9/10/11/12 */ + info->num_of_col_addr = + (spd_data[SPD_COL_NUM_BYTE] & SPD_COL_NUM_MASK) >> + SPD_COL_NUM_OFF; + info->num_of_col_addr += SPD_COL_NUM_MIN; + DEBUG_INIT_FULL_C("DRAM num_of_col_addr ", info->num_of_col_addr, 1); + + /* Number Of Ranks = number of CS on Dimm - 1/2/3/4 Ranks */ + info->num_of_module_ranks = + (spd_data[SPD_MODULE_ORG_BYTE] & SPD_MODULE_BANK_NUM_MASK) >> + SPD_MODULE_BANK_NUM_OFF; + info->num_of_module_ranks += SPD_MODULE_BANK_NUM_MIN; + DEBUG_INIT_FULL_C("DRAM numOfModuleBanks ", info->num_of_module_ranks, + 1); + + /* Data Width - 8/16/32/64 bits */ + info->data_width = + 1 << (3 + (spd_data[SPD_BUS_WIDTH_BYTE] & SPD_BUS_WIDTH_MASK)); + DEBUG_INIT_FULL_C("DRAM data_width ", info->data_width, 1); + + /* Number Of Banks On Each Device - 8/16/32/64 banks */ + info->num_of_banks_on_each_device = + 1 << (3 + ((spd_data[SPD_DEV_DENSITY_BYTE] >> 4) & 0x7)); + DEBUG_INIT_FULL_C("DRAM num_of_banks_on_each_device ", + info->num_of_banks_on_each_device, 1); + + /* Total SDRAM capacity - 256Mb/512Mb/1Gb/2Gb/4Gb/8Gb/16Gb - MegaBits */ + info->sdram_capacity = + spd_data[SPD_DEV_DENSITY_BYTE] & SPD_DEV_DENSITY_MASK; + + /* Sdram Width - 4/8/16/32 bits */ + info->sdram_width = 1 << (2 + (spd_data[SPD_MODULE_ORG_BYTE] & + SPD_MODULE_SDRAM_DEV_WIDTH_MASK)); + DEBUG_INIT_FULL_C("DRAM sdram_width ", info->sdram_width, 1); + + /* CS (Rank) Capacity - MB */ + /* + * DDR3 device uiDensity val are: (device capacity/8) * + * (Module_width/Device_width) + */ + /* Jedec SPD DDR3 - page 7, Save spd_data in Mb - 2048=2GB */ + if (dimm_width == 32) { + info->rank_capacity = + ((1 << info->sdram_capacity) * 256 * + (info->data_width / info->sdram_width)) << 16; + /* CS size = CS size / 2 */ + } else { + info->rank_capacity = + ((1 << info->sdram_capacity) * 256 * + (info->data_width / info->sdram_width) * 0x2) << 16; + /* 0x2 => 0x100000-1Mbit / 8-bit->byte / 0x10000 */ + } + DEBUG_INIT_FULL_C("DRAM rank_capacity[31] ", info->rank_capacity, 1); + + /* Number of devices includeing Error correction */ + info->num_of_devices = + ((info->data_width / info->sdram_width) * + info->num_of_module_ranks) + info->err_check_type; + DEBUG_INIT_FULL_C("DRAM num_of_devices ", info->num_of_devices, 1); + + /* Address Mapping from Edge connector to DRAM - mirroring option */ + info->addr_mirroring = + spd_data[SPD_ADDR_MAP_BYTE] & (1 << SPD_ADDR_MAP_MIRROR_OFFS); + + /* Timings - All in ps */ + + time_base = (1000 * spd_data[SPD_MTB_DIVIDEND_BYTE]) / + spd_data[SPD_MTB_DIVISOR_BYTE]; + + /* Minimum Cycle Time At Max CasLatancy */ + info->min_cycle_time = spd_data[SPD_TCK_BYTE] * time_base; + DEBUG_INIT_FULL_C("DRAM tCKmin ", info->min_cycle_time, 1); + + /* Refresh Interval */ + /* No byte for refresh interval in DDR3 SPD, use DDR2 convention */ + /* + * JEDEC param are 0 <= Tcase <= 85: 7.8uSec, 85 <= Tcase + * <= 95: 3.9uSec + */ + info->refresh_interval = 7800000; /* Set to 7.8uSec */ + DEBUG_INIT_FULL_C("DRAM refresh_interval ", info->refresh_interval, 1); + + /* Suported Cas Latencies - DDR 3: */ + + /* + * bit7 | bit6 | bit5 | bit4 | bit3 | bit2 | bit1 | bit0 * + *******-******-******-******-******-******-******-*******-******* + CAS = 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 * + *********************************************************-******* + *******-******-******-******-******-******-******-*******-******* + * bit15 |bit14 |bit13 |bit12 |bit11 |bit10 | bit9 | bit8 * + *******-******-******-******-******-******-******-*******-******* + CAS = TBD | 18 | 17 | 16 | 15 | 14 | 13 | 12 * + */ + + /* DDR3 include 2 byte of CAS support */ + info->supported_cas_latencies = + (spd_data[SPD_SUP_CAS_LAT_MSB_BYTE] << 8) | + spd_data[SPD_SUP_CAS_LAT_LSB_BYTE]; + DEBUG_INIT_FULL_C("DRAM supported_cas_latencies ", + info->supported_cas_latencies, 1); + + /* Minimum Cycle Time At Max CasLatancy */ + info->min_cas_lat_time = (spd_data[SPD_TAA_BYTE] * time_base); + /* + * This field divided by the cycleTime will give us the CAS latency + * to config + */ + + /* + * For DDR3 and DDR2 includes Write Recovery Time field. + * Other SDRAM ignore + */ + info->min_write_recovery_time = spd_data[SPD_TWR_BYTE] * time_base; + DEBUG_INIT_FULL_C("DRAM min_write_recovery_time ", + info->min_write_recovery_time, 1); + + /* Mininmum Ras to Cas Delay */ + info->min_ras_to_cas_delay = spd_data[SPD_TRCD_BYTE] * time_base; + DEBUG_INIT_FULL_C("DRAM min_ras_to_cas_delay ", + info->min_ras_to_cas_delay, 1); + + /* Minimum Row Active to Row Active Time */ + info->min_row_active_to_row_active = + spd_data[SPD_TRRD_BYTE] * time_base; + DEBUG_INIT_FULL_C("DRAM min_row_active_to_row_active ", + info->min_row_active_to_row_active, 1); + + /* Minimum Row Precharge Delay Time */ + info->min_row_precharge_time = spd_data[SPD_TRP_BYTE] * time_base; + DEBUG_INIT_FULL_C("DRAM min_row_precharge_time ", + info->min_row_precharge_time, 1); + + /* Minimum Active to Precharge Delay Time - tRAS ps */ + info->min_active_to_precharge = + (spd_data[SPD_TRAS_MSB_BYTE] & SPD_TRAS_MSB_MASK) << 8; + info->min_active_to_precharge |= spd_data[SPD_TRAS_LSB_BYTE]; + info->min_active_to_precharge *= time_base; + DEBUG_INIT_FULL_C("DRAM min_active_to_precharge ", + info->min_active_to_precharge, 1); + + /* Minimum Refresh Recovery Delay Time - tRFC ps */ + info->min_refresh_recovery = spd_data[SPD_TRFC_MSB_BYTE] << 8; + info->min_refresh_recovery |= spd_data[SPD_TRFC_LSB_BYTE]; + info->min_refresh_recovery *= time_base; + DEBUG_INIT_FULL_C("DRAM min_refresh_recovery ", + info->min_refresh_recovery, 1); + + /* + * For DDR3 and DDR2 includes Internal Write To Read Command Delay + * field. + */ + info->min_write_to_read_cmd_delay = spd_data[SPD_TWTR_BYTE] * time_base; + DEBUG_INIT_FULL_C("DRAM min_write_to_read_cmd_delay ", + info->min_write_to_read_cmd_delay, 1); + + /* + * For DDR3 and DDR2 includes Internal Read To Precharge Command Delay + * field. + */ + info->min_read_to_prech_cmd_delay = spd_data[SPD_TRTP_BYTE] * time_base; + DEBUG_INIT_FULL_C("DRAM min_read_to_prech_cmd_delay ", + info->min_read_to_prech_cmd_delay, 1); + + /* + * For DDR3 includes Minimum Activate to Activate/Refresh Command + * field + */ + tmp = ((spd_data[SPD_TFAW_MSB_BYTE] & SPD_TFAW_MSB_MASK) << 8) | + spd_data[SPD_TFAW_LSB_BYTE]; + info->min_four_active_win_delay = tmp * time_base; + DEBUG_INIT_FULL_C("DRAM min_four_active_win_delay ", + info->min_four_active_win_delay, 1); + +#if defined(MV88F78X60) || defined(MV88F672X) + /* Registered DIMM support */ + if (info->type_info == SPD_MODULE_TYPE_RDIMM) { + for (rc = 2; rc < 6; rc += 2) { + tmp = spd_data[SPD_RDIMM_RC_BYTE + rc / 2]; + info->dimm_rc[rc] = + spd_data[SPD_RDIMM_RC_BYTE + rc / 2] & + SPD_RDIMM_RC_NIBBLE_MASK; + info->dimm_rc[rc + 1] = + (spd_data[SPD_RDIMM_RC_BYTE + rc / 2] >> 4) & + SPD_RDIMM_RC_NIBBLE_MASK; + } + + vendor_low = spd_data[66]; + vendor_high = spd_data[65]; + info->vendor = (vendor_high << 8) + vendor_low; + DEBUG_INIT_C("DDR3 Training Sequence - Registered DIMM vendor ID 0x", + info->vendor, 4); + + info->dimm_rc[0] = RDIMM_RC0; + info->dimm_rc[1] = RDIMM_RC1; + info->dimm_rc[2] = RDIMM_RC2; + info->dimm_rc[8] = RDIMM_RC8; + info->dimm_rc[9] = RDIMM_RC9; + info->dimm_rc[10] = RDIMM_RC10; + info->dimm_rc[11] = RDIMM_RC11; + } +#endif + + return MV_OK; +} + +/* + * Name: ddr3_spd_sum_init - Get the SPD parameters. + * Desc: Read the DIMM SPD parameters into given struct parameter. + * Args: dimmNum - DIMM number. See MV_BOARD_DIMM_NUM enumerator. + * info - DIMM information structure. + * Notes: + * Returns: MV_OK if function could read DIMM parameters, 0 otherwise. + */ +int ddr3_spd_sum_init(MV_DIMM_INFO *info, MV_DIMM_INFO *sum_info, u32 dimm) +{ + if (dimm == 0) { + memcpy(sum_info, info, sizeof(MV_DIMM_INFO)); + return MV_OK; + } + if (sum_info->type_info != info->type_info) { + DEBUG_INIT_S("DDR3 Dimm Compare - DIMM type does not match - FAIL\n"); + return MV_DDR3_TRAINING_ERR_DIMM_TYPE_NO_MATCH; + } + if (sum_info->err_check_type > info->err_check_type) { + sum_info->err_check_type = info->err_check_type; + DEBUG_INIT_S("DDR3 Dimm Compare - ECC does not match. ECC is disabled\n"); + } + if (sum_info->data_width != info->data_width) { + DEBUG_INIT_S("DDR3 Dimm Compare - DRAM bus width does not match - FAIL\n"); + return MV_DDR3_TRAINING_ERR_BUS_WIDTH_NOT_MATCH; + } + if (sum_info->min_cycle_time < info->min_cycle_time) + sum_info->min_cycle_time = info->min_cycle_time; + if (sum_info->refresh_interval < info->refresh_interval) + sum_info->refresh_interval = info->refresh_interval; + sum_info->supported_cas_latencies &= info->supported_cas_latencies; + if (sum_info->min_cas_lat_time < info->min_cas_lat_time) + sum_info->min_cas_lat_time = info->min_cas_lat_time; + if (sum_info->min_write_recovery_time < info->min_write_recovery_time) + sum_info->min_write_recovery_time = + info->min_write_recovery_time; + if (sum_info->min_ras_to_cas_delay < info->min_ras_to_cas_delay) + sum_info->min_ras_to_cas_delay = info->min_ras_to_cas_delay; + if (sum_info->min_row_active_to_row_active < + info->min_row_active_to_row_active) + sum_info->min_row_active_to_row_active = + info->min_row_active_to_row_active; + if (sum_info->min_row_precharge_time < info->min_row_precharge_time) + sum_info->min_row_precharge_time = info->min_row_precharge_time; + if (sum_info->min_active_to_precharge < info->min_active_to_precharge) + sum_info->min_active_to_precharge = + info->min_active_to_precharge; + if (sum_info->min_refresh_recovery < info->min_refresh_recovery) + sum_info->min_refresh_recovery = info->min_refresh_recovery; + if (sum_info->min_write_to_read_cmd_delay < + info->min_write_to_read_cmd_delay) + sum_info->min_write_to_read_cmd_delay = + info->min_write_to_read_cmd_delay; + if (sum_info->min_read_to_prech_cmd_delay < + info->min_read_to_prech_cmd_delay) + sum_info->min_read_to_prech_cmd_delay = + info->min_read_to_prech_cmd_delay; + if (sum_info->min_four_active_win_delay < + info->min_four_active_win_delay) + sum_info->min_four_active_win_delay = + info->min_four_active_win_delay; + if (sum_info->min_write_to_read_cmd_delay < + info->min_write_to_read_cmd_delay) + sum_info->min_write_to_read_cmd_delay = + info->min_write_to_read_cmd_delay; + + return MV_OK; +} + +/* + * Name: ddr3_dunit_setup + * Desc: Set the controller with the timing values. + * Args: ecc_ena - User ECC setup + * Notes: + * Returns: + */ +int ddr3_dunit_setup(u32 ecc_ena, u32 hclk_time, u32 *ddr_width) +{ + u32 reg, tmp, cwl; + u32 ddr_clk_time; + MV_DIMM_INFO dimm_info[2]; + MV_DIMM_INFO sum_info; + u32 stat_val, spd_val; + u32 cs, cl, cs_num, cs_ena; + u32 dimm_num = 0; + int status; + u32 rc; + __maybe_unused u32 dimm_cnt, cs_count, dimm; + __maybe_unused u32 dimm_addr[2] = { 0, 0 }; + +#if defined(DB_88F6710) || defined(DB_88F6710_PCAC) || defined(RD_88F6710) + /* Armada 370 - SPD is not available on DIMM */ + /* + * Set MC registers according to Static SPD values Values - + * must be set manually + */ + /* + * We only have one optional DIMM for the DB and we already got the + * SPD matching values + */ + status = ddr3_spd_init(&dimm_info[0], 0, *ddr_width); + if (MV_OK != status) + return status; + + dimm_num = 1; + /* Use JP8 to enable multiCS support for Armada 370 DB */ + if (!ddr3_check_config(EEPROM_MODULE_ADDR, CONFIG_MULTI_CS)) + dimm_info[0].num_of_module_ranks = 1; + status = ddr3_spd_sum_init(&dimm_info[0], &sum_info, 0); + if (MV_OK != status) + return status; +#else + /* Dynamic D-Unit Setup - Read SPD values */ +#ifdef DUNIT_SPD + dimm_num = ddr3_get_dimm_num(dimm_addr); + if (dimm_num == 0) { +#ifdef MIXED_DIMM_STATIC + DEBUG_INIT_S("DDR3 Training Sequence - No DIMMs detected\n"); +#else + DEBUG_INIT_S("DDR3 Training Sequence - FAILED (Wrong DIMMs Setup)\n"); + return MV_DDR3_TRAINING_ERR_BAD_DIMM_SETUP; +#endif + } else { + DEBUG_INIT_C("DDR3 Training Sequence - Number of DIMMs detected: ", + dimm_num, 1); + } + + for (dimm = 0; dimm < dimm_num; dimm++) { + status = ddr3_spd_init(&dimm_info[dimm], dimm_addr[dimm], + *ddr_width); + if (MV_OK != status) + return status; + status = ddr3_spd_sum_init(&dimm_info[dimm], &sum_info, dimm); + if (MV_OK != status) + return status; + } +#endif +#endif + + /* Set number of enabled CS */ + cs_num = 0; +#ifdef DUNIT_STATIC + cs_num = ddr3_get_cs_num_from_reg(); +#endif +#ifdef DUNIT_SPD + for (dimm = 0; dimm < dimm_num; dimm++) + cs_num += dimm_info[dimm].num_of_module_ranks; +#endif + if (cs_num > MAX_CS) { + DEBUG_INIT_C("DDR3 Training Sequence - Number of CS exceed limit - ", + MAX_CS, 1); + return MV_DDR3_TRAINING_ERR_MAX_CS_LIMIT; + } + + /* Set bitmap of enabled CS */ + cs_ena = 0; +#ifdef DUNIT_STATIC + cs_ena = ddr3_get_cs_ena_from_reg(); +#endif +#ifdef DUNIT_SPD + dimm = 0; + + if (dimm_num) { + for (cs = 0; cs < MAX_CS; cs += 2) { + if (((1 << cs) & DIMM_CS_BITMAP) && + !(cs_ena & (1 << cs))) { + if (dimm_info[dimm].num_of_module_ranks == 1) + cs_ena |= (0x1 << cs); + else if (dimm_info[dimm].num_of_module_ranks == 2) + cs_ena |= (0x3 << cs); + else if (dimm_info[dimm].num_of_module_ranks == 3) + cs_ena |= (0x7 << cs); + else if (dimm_info[dimm].num_of_module_ranks == 4) + cs_ena |= (0xF << cs); + + dimm++; + if (dimm == dimm_num) + break; + } + } + } +#endif + + if (cs_ena > 0xF) { + DEBUG_INIT_C("DDR3 Training Sequence - Number of enabled CS exceed limit - ", + MAX_CS, 1); + return MV_DDR3_TRAINING_ERR_MAX_ENA_CS_LIMIT; + } + + DEBUG_INIT_FULL_C("DDR3 - DUNIT-SET - Number of CS = ", cs_num, 1); + + /* Check Ratio - '1' - 2:1, '0' - 1:1 */ + if (reg_read(REG_DDR_IO_ADDR) & (1 << REG_DDR_IO_CLK_RATIO_OFFS)) + ddr_clk_time = hclk_time / 2; + else + ddr_clk_time = hclk_time; + +#ifdef DUNIT_STATIC + /* Get target CL value from set register */ + reg = (reg_read(REG_DDR3_MR0_ADDR) >> 2); + reg = ((((reg >> 1) & 0xE)) | (reg & 0x1)) & 0xF; + + cl = ddr3_get_max_val(ddr3_div(sum_info.min_cas_lat_time, + ddr_clk_time, 0), + dimm_num, ddr3_valid_cl_to_cl(reg)); +#else + cl = ddr3_div(sum_info.min_cas_lat_time, ddr_clk_time, 0); +#endif + if (cl < 5) + cl = 5; + + DEBUG_INIT_FULL_C("DDR3 - DUNIT-SET - Cas Latency = ", cl, 1); + + /* {0x00001400} - DDR SDRAM Configuration Register */ + reg = 0x73004000; + stat_val = ddr3_get_static_mc_value( + REG_SDRAM_CONFIG_ADDR, REG_SDRAM_CONFIG_ECC_OFFS, 0x1, 0, 0); + if (ecc_ena && ddr3_get_min_val(sum_info.err_check_type, dimm_num, + stat_val)) { + reg |= (1 << REG_SDRAM_CONFIG_ECC_OFFS); + reg |= (1 << REG_SDRAM_CONFIG_IERR_OFFS); + DEBUG_INIT_FULL_S("DDR3 - DUNIT-SET - ECC Enabled\n"); + } else { + DEBUG_INIT_FULL_S("DDR3 - DUNIT-SET - ECC Disabled\n"); + } + + if (sum_info.type_info == SPD_MODULE_TYPE_RDIMM) { +#ifdef DUNIT_STATIC + DEBUG_INIT_S("DDR3 Training Sequence - FAIL - Illegal R-DIMM setup\n"); + return MV_DDR3_TRAINING_ERR_BAD_R_DIMM_SETUP; +#endif + reg |= (1 << REG_SDRAM_CONFIG_REGDIMM_OFFS); + DEBUG_INIT_FULL_S("DDR3 - DUNIT-SET - R-DIMM\n"); + } else { + DEBUG_INIT_FULL_S("DDR3 - DUNIT-SET - U-DIMM\n"); + } + +#ifndef MV88F67XX +#ifdef DUNIT_STATIC + if (ddr3_get_min_val(sum_info.data_width, dimm_num, BUS_WIDTH) == 64) { +#else + if (*ddr_width == 64) { +#endif + reg |= (1 << REG_SDRAM_CONFIG_WIDTH_OFFS); + DEBUG_INIT_FULL_S("DDR3 - DUNIT-SET - Datawidth - 64Bits\n"); + } else { + DEBUG_INIT_FULL_S("DDR3 - DUNIT-SET - Datawidth - 32Bits\n"); + } +#else + DEBUG_INIT_FULL_S("DDR3 - DUNIT-SET - Datawidth - 16Bits\n"); +#endif + +#if defined(MV88F672X) + if (*ddr_width == 32) { + reg |= (1 << REG_SDRAM_CONFIG_WIDTH_OFFS); + DEBUG_INIT_FULL_S("DDR3 - DUNIT-SET - Datawidth - 32Bits\n"); + } else { + DEBUG_INIT_FULL_S("DDR3 - DUNIT-SET - Datawidth - 16Bits\n"); + } +#endif + stat_val = ddr3_get_static_mc_value(REG_SDRAM_CONFIG_ADDR, 0, + REG_SDRAM_CONFIG_RFRS_MASK, 0, 0); + tmp = ddr3_get_min_val(sum_info.refresh_interval / hclk_time, + dimm_num, stat_val); + +#ifdef TREFI_USER_EN + tmp = min(TREFI_USER / hclk_time, tmp); +#endif + + DEBUG_INIT_FULL_C("DDR3 - DUNIT-SET - RefreshInterval/Hclk = ", tmp, 4); + reg |= tmp; + + if (cl != 3) + reg |= (1 << 16); /* If 2:1 need to set P2DWr */ + +#if defined(MV88F672X) + reg |= (1 << 27); /* PhyRfRST = Disable */ +#endif + reg_write(REG_SDRAM_CONFIG_ADDR, reg); + + /*{0x00001404} - DDR SDRAM Configuration Register */ + reg = 0x3630B800; +#ifdef DUNIT_SPD + reg |= (DRAM_2T << REG_DUNIT_CTRL_LOW_2T_OFFS); +#endif + reg_write(REG_DUNIT_CTRL_LOW_ADDR, reg); + + /* {0x00001408} - DDR SDRAM Timing (Low) Register */ + reg = 0x0; + + /* tRAS - (0:3,20) */ + spd_val = ddr3_div(sum_info.min_active_to_precharge, + ddr_clk_time, 1); + stat_val = ddr3_get_static_mc_value(REG_SDRAM_TIMING_LOW_ADDR, + 0, 0xF, 16, 0x10); + tmp = ddr3_get_max_val(spd_val, dimm_num, stat_val); + DEBUG_INIT_FULL_C("DDR3 - DUNIT-SET - tRAS-1 = ", tmp, 1); + reg |= (tmp & 0xF); + reg |= ((tmp & 0x10) << 16); /* to bit 20 */ + + /* tRCD - (4:7) */ + spd_val = ddr3_div(sum_info.min_ras_to_cas_delay, ddr_clk_time, 1); + stat_val = ddr3_get_static_mc_value(REG_SDRAM_TIMING_LOW_ADDR, + 4, 0xF, 0, 0); + tmp = ddr3_get_max_val(spd_val, dimm_num, stat_val); + DEBUG_INIT_FULL_C("DDR3 - DUNIT-SET - tRCD-1 = ", tmp, 1); + reg |= ((tmp & 0xF) << 4); + + /* tRP - (8:11) */ + spd_val = ddr3_div(sum_info.min_row_precharge_time, ddr_clk_time, 1); + stat_val = ddr3_get_static_mc_value(REG_SDRAM_TIMING_LOW_ADDR, + 8, 0xF, 0, 0); + tmp = ddr3_get_max_val(spd_val, dimm_num, stat_val); + DEBUG_INIT_FULL_C("DDR3 - DUNIT-SET - tRP-1 = ", tmp, 1); + reg |= ((tmp & 0xF) << 8); + + /* tWR - (12:15) */ + spd_val = ddr3_div(sum_info.min_write_recovery_time, ddr_clk_time, 1); + stat_val = ddr3_get_static_mc_value(REG_SDRAM_TIMING_LOW_ADDR, + 12, 0xF, 0, 0); + tmp = ddr3_get_max_val(spd_val, dimm_num, stat_val); + DEBUG_INIT_FULL_C("DDR3 - DUNIT-SET - tWR-1 = ", tmp, 1); + reg |= ((tmp & 0xF) << 12); + + /* tWTR - (16:19) */ + spd_val = ddr3_div(sum_info.min_write_to_read_cmd_delay, ddr_clk_time, 1); + stat_val = ddr3_get_static_mc_value(REG_SDRAM_TIMING_LOW_ADDR, + 16, 0xF, 0, 0); + tmp = ddr3_get_max_val(spd_val, dimm_num, stat_val); + DEBUG_INIT_FULL_C("DDR3 - DUNIT-SET - tWTR-1 = ", tmp, 1); + reg |= ((tmp & 0xF) << 16); + + /* tRRD - (24:27) */ + spd_val = ddr3_div(sum_info.min_row_active_to_row_active, ddr_clk_time, 1); + stat_val = ddr3_get_static_mc_value(REG_SDRAM_TIMING_LOW_ADDR, + 24, 0xF, 0, 0); + tmp = ddr3_get_max_val(spd_val, dimm_num, stat_val); + DEBUG_INIT_FULL_C("DDR3 - DUNIT-SET - tRRD-1 = ", tmp, 1); + reg |= ((tmp & 0xF) << 24); + + /* tRTP - (28:31) */ + spd_val = ddr3_div(sum_info.min_read_to_prech_cmd_delay, ddr_clk_time, 1); + stat_val = ddr3_get_static_mc_value(REG_SDRAM_TIMING_LOW_ADDR, + 28, 0xF, 0, 0); + tmp = ddr3_get_max_val(spd_val, dimm_num, stat_val); + DEBUG_INIT_FULL_C("DDR3 - DUNIT-SET - tRTP-1 = ", tmp, 1); + reg |= ((tmp & 0xF) << 28); + + if (cl < 7) + reg = 0x33137663; + + reg_write(REG_SDRAM_TIMING_LOW_ADDR, reg); + + /*{0x0000140C} - DDR SDRAM Timing (High) Register */ + /* Add cycles to R2R W2W */ + reg = 0x39F8FF80; + + /* tRFC - (0:6,16:18) */ + spd_val = ddr3_div(sum_info.min_refresh_recovery, ddr_clk_time, 1); + stat_val = ddr3_get_static_mc_value(REG_SDRAM_TIMING_HIGH_ADDR, + 0, 0x7F, 9, 0x380); + tmp = ddr3_get_max_val(spd_val, dimm_num, stat_val); + DEBUG_INIT_FULL_C("DDR3 - DUNIT-SET - tRFC-1 = ", tmp, 1); + reg |= (tmp & 0x7F); + reg |= ((tmp & 0x380) << 9); /* to bit 16 */ + reg_write(REG_SDRAM_TIMING_HIGH_ADDR, reg); + + /*{0x00001410} - DDR SDRAM Address Control Register */ + reg = 0x000F0000; + + /* tFAW - (24:28) */ +#if (defined(MV88F78X60) || defined(MV88F672X)) + tmp = sum_info.min_four_active_win_delay; + spd_val = ddr3_div(tmp, ddr_clk_time, 0); + stat_val = ddr3_get_static_mc_value(REG_SDRAM_ADDRESS_CTRL_ADDR, + 24, 0x3F, 0, 0); + tmp = ddr3_get_max_val(spd_val, dimm_num, stat_val); + DEBUG_INIT_FULL_C("DDR3 - DUNIT-SET - tFAW = ", tmp, 1); + reg |= ((tmp & 0x3F) << 24); +#else + tmp = sum_info.min_four_active_win_delay - + 4 * (sum_info.min_row_active_to_row_active); + spd_val = ddr3_div(tmp, ddr_clk_time, 0); + stat_val = ddr3_get_static_mc_value(REG_SDRAM_ADDRESS_CTRL_ADDR, + 24, 0x1F, 0, 0); + tmp = ddr3_get_max_val(spd_val, dimm_num, stat_val); + DEBUG_INIT_FULL_C("DDR3 - DUNIT-SET - tFAW-4*tRRD = ", tmp, 1); + reg |= ((tmp & 0x1F) << 24); +#endif + + /* SDRAM device capacity */ +#ifdef DUNIT_STATIC + reg |= (reg_read(REG_SDRAM_ADDRESS_CTRL_ADDR) & 0xF0FFFF); +#endif + +#ifdef DUNIT_SPD + cs_count = 0; + dimm_cnt = 0; + for (cs = 0; cs < MAX_CS; cs++) { + if (cs_ena & (1 << cs) & DIMM_CS_BITMAP) { + if (dimm_info[dimm_cnt].num_of_module_ranks == cs_count) { + dimm_cnt++; + cs_count = 0; + } + cs_count++; + if (dimm_info[dimm_cnt].sdram_capacity < 0x3) { + reg |= ((dimm_info[dimm_cnt].sdram_capacity + 1) << + (REG_SDRAM_ADDRESS_SIZE_OFFS + + (REG_SDRAM_ADDRESS_CTRL_STRUCT_OFFS * cs))); + } else if (dimm_info[dimm_cnt].sdram_capacity > 0x3) { + reg |= ((dimm_info[dimm_cnt].sdram_capacity & 0x3) << + (REG_SDRAM_ADDRESS_SIZE_OFFS + + (REG_SDRAM_ADDRESS_CTRL_STRUCT_OFFS * cs))); + reg |= ((dimm_info[dimm_cnt].sdram_capacity & 0x4) << + (REG_SDRAM_ADDRESS_SIZE_HIGH_OFFS + cs)); + } + } + } + + /* SDRAM device structure */ + cs_count = 0; + dimm_cnt = 0; + for (cs = 0; cs < MAX_CS; cs++) { + if (cs_ena & (1 << cs) & DIMM_CS_BITMAP) { + if (dimm_info[dimm_cnt].num_of_module_ranks == cs_count) { + dimm_cnt++; + cs_count = 0; + } + cs_count++; + if (dimm_info[dimm_cnt].sdram_width == 16) + reg |= (1 << (REG_SDRAM_ADDRESS_CTRL_STRUCT_OFFS * cs)); + } + } +#endif + reg_write(REG_SDRAM_ADDRESS_CTRL_ADDR, reg); + + /*{0x00001418} - DDR SDRAM Operation Register */ + reg = 0xF00; + for (cs = 0; cs < MAX_CS; cs++) { + if (cs_ena & (1 << cs)) + reg &= ~(1 << (cs + REG_SDRAM_OPERATION_CS_OFFS)); + } + reg_write(REG_SDRAM_OPERATION_ADDR, reg); + + /*{0x00001420} - DDR SDRAM Extended Mode Register */ + reg = 0x00000004; + reg_write(REG_SDRAM_EXT_MODE_ADDR, reg); + + /*{0x00001424} - DDR Controller Control (High) Register */ +#if (defined(MV88F78X60) || defined(MV88F672X)) + reg = 0x0000D3FF; +#else + reg = 0x0100D1FF; +#endif + reg_write(REG_DDR_CONT_HIGH_ADDR, reg); + + /*{0x0000142C} - DDR3 Timing Register */ + reg = 0x014C2F38; +#if defined(MV88F78X60) || defined(MV88F672X) + reg = 0x1FEC2F38; +#endif + reg_write(0x142C, reg); + + /*{0x00001484} - MBus CPU Block Register */ +#ifdef MV88F67XX + if (reg_read(REG_DDR_IO_ADDR) & (1 << REG_DDR_IO_CLK_RATIO_OFFS)) + reg_write(REG_MBUS_CPU_BLOCK_ADDR, 0x0000E907); +#endif + + /* + * In case of mixed dimm and on-board devices setup paramters will + * be taken statically + */ + /*{0x00001494} - DDR SDRAM ODT Control (Low) Register */ + reg = odt_config[cs_ena]; + reg_write(REG_SDRAM_ODT_CTRL_LOW_ADDR, reg); + + /*{0x00001498} - DDR SDRAM ODT Control (High) Register */ + reg = 0x00000000; + reg_write(REG_SDRAM_ODT_CTRL_HIGH_ADDR, reg); + + /*{0x0000149C} - DDR Dunit ODT Control Register */ + reg = cs_ena; + reg_write(REG_DUNIT_ODT_CTRL_ADDR, reg); + + /*{0x000014A0} - DDR Dunit ODT Control Register */ +#if defined(MV88F672X) + reg = 0x000006A9; + reg_write(REG_DRAM_FIFO_CTRL_ADDR, reg); +#endif + + /*{0x000014C0} - DRAM address and Control Driving Strenght */ + reg_write(REG_DRAM_ADDR_CTRL_DRIVE_STRENGTH_ADDR, 0x192435e9); + + /*{0x000014C4} - DRAM Data and DQS Driving Strenght */ + reg_write(REG_DRAM_DATA_DQS_DRIVE_STRENGTH_ADDR, 0xB2C35E9); + +#if (defined(MV88F78X60) || defined(MV88F672X)) + /*{0x000014CC} - DRAM Main Pads Calibration Machine Control Register */ + reg = reg_read(REG_DRAM_MAIN_PADS_CAL_ADDR); + reg_write(REG_DRAM_MAIN_PADS_CAL_ADDR, reg | (1 << 0)); +#endif + +#if defined(MV88F672X) + /* DRAM Main Pads Calibration Machine Control Register */ + /* 0x14CC[4:3] - CalUpdateControl = IntOnly */ + reg = reg_read(REG_DRAM_MAIN_PADS_CAL_ADDR); + reg &= 0xFFFFFFE7; + reg |= (1 << 3); + reg_write(REG_DRAM_MAIN_PADS_CAL_ADDR, reg); +#endif + +#ifdef DUNIT_SPD + cs_count = 0; + dimm_cnt = 0; + for (cs = 0; cs < MAX_CS; cs++) { + if ((1 << cs) & DIMM_CS_BITMAP) { + if ((1 << cs) & cs_ena) { + if (dimm_info[dimm_cnt].num_of_module_ranks == + cs_count) { + dimm_cnt++; + cs_count = 0; + } + cs_count++; + reg_write(REG_CS_SIZE_SCRATCH_ADDR + (cs * 0x8), + dimm_info[dimm_cnt].rank_capacity - 1); + } else { + reg_write(REG_CS_SIZE_SCRATCH_ADDR + (cs * 0x8), 0); + } + } + } +#endif + + /*{0x00020184} - Close FastPath - 2G */ + reg_write(REG_FASTPATH_WIN_0_CTRL_ADDR, 0); + + /*{0x00001538} - Read Data Sample Delays Register */ + reg = 0; + for (cs = 0; cs < MAX_CS; cs++) { + if (cs_ena & (1 << cs)) + reg |= (cl << (REG_READ_DATA_SAMPLE_DELAYS_OFFS * cs)); + } + + reg_write(REG_READ_DATA_SAMPLE_DELAYS_ADDR, reg); + DEBUG_INIT_FULL_C("DDR3 - SPD-SET - Read Data Sample Delays = ", reg, + 1); + + /*{0x0000153C} - Read Data Ready Delay Register */ + reg = 0; + for (cs = 0; cs < MAX_CS; cs++) { + if (cs_ena & (1 << cs)) { + reg |= ((cl + 2) << + (REG_READ_DATA_READY_DELAYS_OFFS * cs)); + } + } + reg_write(REG_READ_DATA_READY_DELAYS_ADDR, reg); + DEBUG_INIT_FULL_C("DDR3 - SPD-SET - Read Data Ready Delays = ", reg, 1); + + /* Set MR registers */ + /* MR0 */ + reg = 0x00000600; + tmp = ddr3_cl_to_valid_cl(cl); + reg |= ((tmp & 0x1) << 2); + reg |= ((tmp & 0xE) << 3); /* to bit 4 */ + for (cs = 0; cs < MAX_CS; cs++) { + if (cs_ena & (1 << cs)) { + reg_write(REG_DDR3_MR0_CS_ADDR + + (cs << MR_CS_ADDR_OFFS), reg); + } + } + + /* MR1 */ + reg = 0x00000044 & REG_DDR3_MR1_ODT_MASK; + if (cs_num > 1) + reg = 0x00000046 & REG_DDR3_MR1_ODT_MASK; + + for (cs = 0; cs < MAX_CS; cs++) { + if (cs_ena & (1 << cs)) { + reg |= odt_static[cs_ena][cs]; + reg_write(REG_DDR3_MR1_CS_ADDR + + (cs << MR_CS_ADDR_OFFS), reg); + } + } + + /* MR2 */ + if (reg_read(REG_DDR_IO_ADDR) & (1 << REG_DDR_IO_CLK_RATIO_OFFS)) + tmp = hclk_time / 2; + else + tmp = hclk_time; + + if (tmp >= 2500) + cwl = 5; /* CWL = 5 */ + else if (tmp >= 1875 && tmp < 2500) + cwl = 6; /* CWL = 6 */ + else if (tmp >= 1500 && tmp < 1875) + cwl = 7; /* CWL = 7 */ + else if (tmp >= 1250 && tmp < 1500) + cwl = 8; /* CWL = 8 */ + else if (tmp >= 1070 && tmp < 1250) + cwl = 9; /* CWL = 9 */ + else if (tmp >= 935 && tmp < 1070) + cwl = 10; /* CWL = 10 */ + else if (tmp >= 833 && tmp < 935) + cwl = 11; /* CWL = 11 */ + else if (tmp >= 750 && tmp < 833) + cwl = 12; /* CWL = 12 */ + else { + cwl = 12; /* CWL = 12 */ + printf("Unsupported hclk %d MHz\n", tmp); + } + + reg = ((cwl - 5) << REG_DDR3_MR2_CWL_OFFS); + + for (cs = 0; cs < MAX_CS; cs++) { + if (cs_ena & (1 << cs)) { + reg &= REG_DDR3_MR2_ODT_MASK; + reg |= odt_dynamic[cs_ena][cs]; + reg_write(REG_DDR3_MR2_CS_ADDR + + (cs << MR_CS_ADDR_OFFS), reg); + } + } + + /* MR3 */ + reg = 0x00000000; + for (cs = 0; cs < MAX_CS; cs++) { + if (cs_ena & (1 << cs)) { + reg_write(REG_DDR3_MR3_CS_ADDR + + (cs << MR_CS_ADDR_OFFS), reg); + } + } + + /* {0x00001428} - DDR ODT Timing (Low) Register */ + reg = 0; + reg |= (((cl - cwl + 1) & 0xF) << 4); + reg |= (((cl - cwl + 6) & 0xF) << 8); + reg |= ((((cl - cwl + 6) >> 4) & 0x1) << 21); + reg |= (((cl - 1) & 0xF) << 12); + reg |= (((cl + 6) & 0x1F) << 16); + reg_write(REG_ODT_TIME_LOW_ADDR, reg); + + /* {0x0000147C} - DDR ODT Timing (High) Register */ + reg = 0x00000071; + reg |= ((cwl - 1) << 8); + reg |= ((cwl + 5) << 12); + reg_write(REG_ODT_TIME_HIGH_ADDR, reg); + +#ifdef DUNIT_SPD + /*{0x000015E0} - DDR3 Rank Control Register */ + reg = cs_ena; + cs_count = 0; + dimm_cnt = 0; + for (cs = 0; cs < MAX_CS; cs++) { + if (cs_ena & (1 << cs) & DIMM_CS_BITMAP) { + if (dimm_info[dimm_cnt].num_of_module_ranks == cs_count) { + dimm_cnt++; + cs_count = 0; + } + cs_count++; + + if (dimm_info[dimm_cnt].addr_mirroring && + (cs == 1 || cs == 3) && + (sum_info.type_info != SPD_MODULE_TYPE_RDIMM)) { + reg |= (1 << (REG_DDR3_RANK_CTRL_MIRROR_OFFS + cs)); + DEBUG_INIT_FULL_C("DDR3 - SPD-SET - Setting Address Mirroring for CS = ", + cs, 1); + } + } + } + reg_write(REG_DDR3_RANK_CTRL_ADDR, reg); +#endif + + /*{0xD00015E4} - ZQDS Configuration Register */ + reg = 0x00203c18; + reg_write(REG_ZQC_CONF_ADDR, reg); + + /* {0x00015EC} - DDR PHY */ +#if defined(MV88F78X60) + reg = 0xF800AAA5; + if (mv_ctrl_rev_get() == MV_78XX0_B0_REV) + reg = 0xF800A225; +#else + reg = 0xDE000025; +#if defined(MV88F672X) + reg = 0xF800A225; +#endif +#endif + reg_write(REG_DRAM_PHY_CONFIG_ADDR, reg); + +#if (defined(MV88F78X60) || defined(MV88F672X)) + /* Registered DIMM support - supported only in AXP A0 devices */ + /* Currently supported for SPD detection only */ + /* + * Flow is according to the Registered DIMM chapter in the + * Functional Spec + */ + if (sum_info.type_info == SPD_MODULE_TYPE_RDIMM) { + DEBUG_INIT_S("DDR3 Training Sequence - Registered DIMM detected\n"); + + /* Set commands parity completion */ + reg = reg_read(REG_REGISTERED_DRAM_CTRL_ADDR); + reg &= ~REG_REGISTERED_DRAM_CTRL_PARITY_MASK; + reg |= 0x8; + reg_write(REG_REGISTERED_DRAM_CTRL_ADDR, reg); + + /* De-assert M_RESETn and assert M_CKE */ + reg_write(REG_SDRAM_INIT_CTRL_ADDR, + 1 << REG_SDRAM_INIT_CKE_ASSERT_OFFS); + do { + reg = (reg_read(REG_SDRAM_INIT_CTRL_ADDR)) & + (1 << REG_SDRAM_INIT_CKE_ASSERT_OFFS); + } while (reg); + + for (rc = 0; rc < SPD_RDIMM_RC_NUM; rc++) { + if (rc != 6 && rc != 7) { + /* Set CWA Command */ + reg = (REG_SDRAM_OPERATION_CMD_CWA & + ~(0xF << REG_SDRAM_OPERATION_CS_OFFS)); + reg |= ((dimm_info[0].dimm_rc[rc] & + REG_SDRAM_OPERATION_CWA_DATA_MASK) << + REG_SDRAM_OPERATION_CWA_DATA_OFFS); + reg |= rc << REG_SDRAM_OPERATION_CWA_RC_OFFS; + /* Configure - Set Delay - tSTAB/tMRD */ + if (rc == 2 || rc == 10) + reg |= (0x1 << REG_SDRAM_OPERATION_CWA_DELAY_SEL_OFFS); + /* 0x1418 - SDRAM Operation Register */ + reg_write(REG_SDRAM_OPERATION_ADDR, reg); + + /* + * Poll the "cmd" field in the SDRAM OP + * register for 0x0 + */ + do { + reg = reg_read(REG_SDRAM_OPERATION_ADDR) & + (REG_SDRAM_OPERATION_CMD_MASK); + } while (reg); + } + } + } +#endif + + return MV_OK; +} + +/* + * Name: ddr3_div - this function divides integers + * Desc: + * Args: val - the value + * divider - the divider + * sub - substruction value + * Notes: + * Returns: required value + */ +u32 ddr3_div(u32 val, u32 divider, u32 sub) +{ + return val / divider + (val % divider > 0 ? 1 : 0) - sub; +} + +/* + * Name: ddr3_get_max_val + * Desc: + * Args: + * Notes: + * Returns: + */ +u32 ddr3_get_max_val(u32 spd_val, u32 dimm_num, u32 static_val) +{ +#ifdef DUNIT_STATIC + if (dimm_num > 0) { + if (spd_val >= static_val) + return spd_val; + else + return static_val; + } else { + return static_val; + } +#else + return spd_val; +#endif +} + +/* + * Name: ddr3_get_min_val + * Desc: + * Args: + * Notes: + * Returns: + */ +u32 ddr3_get_min_val(u32 spd_val, u32 dimm_num, u32 static_val) +{ +#ifdef DUNIT_STATIC + if (dimm_num > 0) { + if (spd_val <= static_val) + return spd_val; + else + return static_val; + } else + return static_val; +#else + return spd_val; +#endif +} +#endif diff --git a/drivers/ddr/mvebu/ddr3_write_leveling.c b/drivers/ddr/mvebu/ddr3_write_leveling.c new file mode 100644 index 0000000..df3a3df --- /dev/null +++ b/drivers/ddr/mvebu/ddr3_write_leveling.c @@ -0,0 +1,1366 @@ +/* + * Copyright (C) Marvell International Ltd. and its affiliates + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#include <common.h> +#include <i2c.h> +#include <spl.h> +#include <asm/io.h> +#include <asm/arch/cpu.h> +#include <asm/arch/soc.h> + +#include "ddr3_hw_training.h" + +/* + * Debug + */ +#define DEBUG_WL_C(s, d, l) \ + DEBUG_WL_S(s); DEBUG_WL_D(d, l); DEBUG_WL_S("\n") +#define DEBUG_WL_FULL_C(s, d, l) \ + DEBUG_WL_FULL_S(s); DEBUG_WL_FULL_D(d, l); DEBUG_WL_FULL_S("\n") + +#ifdef MV_DEBUG_WL +#define DEBUG_RL_S(s) \ + debug_cond(ddr3_get_log_level() >= MV_LOG_LEVEL_2, "%s", s) +#define DEBUG_RL_D(d, l) \ + debug_cond(ddr3_get_log_level() >= MV_LOG_LEVEL_2, "%x", d) +#else +#define DEBUG_WL_S(s) +#define DEBUG_WL_D(d, l) +#endif + +#ifdef MV_DEBUG_WL_FULL +#define DEBUG_WL_FULL_S(s) puts(s) +#define DEBUG_WL_FULL_D(d, l) printf("%x", d) +#else +#define DEBUG_WL_FULL_S(s) +#define DEBUG_WL_FULL_D(d, l) +#endif + +#define WL_SUP_EXPECTED_DATA 0x21 +#define WL_SUP_READ_DRAM_ENTRY 0x8 + +static int ddr3_write_leveling_single_cs(u32 cs, u32 freq, int ratio_2to1, + u32 *result, + MV_DRAM_INFO *dram_info); +static void ddr3_write_ctrl_pup_reg(int bc_acc, u32 pup, u32 reg_addr, + u32 data); + +extern u16 odt_static[ODT_OPT][MAX_CS]; +extern u16 odt_dynamic[ODT_OPT][MAX_CS]; +extern u32 wl_sup_pattern[LEN_WL_SUP_PATTERN]; + +/* + * Name: ddr3_write_leveling_hw + * Desc: Execute Write leveling phase by HW + * Args: freq - current sequence frequency + * dram_info - main struct + * Notes: + * Returns: MV_OK if success, MV_FAIL if fail. + */ +int ddr3_write_leveling_hw(u32 freq, MV_DRAM_INFO *dram_info) +{ + u32 reg, phase, delay, cs, pup; +#ifdef MV88F67XX + int dpde_flag = 0; +#endif + /* Debug message - Start Read leveling procedure */ + DEBUG_WL_S("DDR3 - Write Leveling - Starting HW WL procedure\n"); + +#ifdef MV88F67XX + /* Dynamic pad issue (BTS669) during WL */ + reg = reg_read(REG_DUNIT_CTRL_LOW_ADDR); + if (reg & (1 << REG_DUNIT_CTRL_LOW_DPDE_OFFS)) { + dpde_flag = 1; + reg_write(REG_DUNIT_CTRL_LOW_ADDR, + reg & ~(1 << REG_DUNIT_CTRL_LOW_DPDE_OFFS)); + } +#endif + + reg = 1 << REG_DRAM_TRAINING_WL_OFFS; + /* Config the retest number */ + reg |= (COUNT_HW_WL << REG_DRAM_TRAINING_RETEST_OFFS); + reg |= (dram_info->cs_ena << (REG_DRAM_TRAINING_CS_OFFS)); + reg_write(REG_DRAM_TRAINING_ADDR, reg); /* 0x15B0 - Training Register */ + + reg = reg_read(REG_DRAM_TRAINING_SHADOW_ADDR) | + (1 << REG_DRAM_TRAINING_AUTO_OFFS); + reg_write(REG_DRAM_TRAINING_SHADOW_ADDR, reg); + + /* Wait */ + do { + reg = reg_read(REG_DRAM_TRAINING_SHADOW_ADDR) & + (1 << REG_DRAM_TRAINING_AUTO_OFFS); + } while (reg); /* Wait for '0' */ + + reg = reg_read(REG_DRAM_TRAINING_ADDR); + /* Check if Successful */ + if (reg & (1 << REG_DRAM_TRAINING_ERROR_OFFS)) { + /* + * Read results to arrays - Results are required for WL + * High freq Supplement and DQS Centralization + */ + for (cs = 0; cs < MAX_CS; cs++) { + if (dram_info->cs_ena & (1 << cs)) { + for (pup = 0; + pup < dram_info->num_of_total_pups; + pup++) { + if (pup == dram_info->num_of_std_pups + && dram_info->ecc_ena) + pup = ECC_PUP; + reg = + ddr3_read_pup_reg(PUP_WL_MODE, cs, + pup); + phase = + (reg >> REG_PHY_PHASE_OFFS) & + PUP_PHASE_MASK; + delay = reg & PUP_DELAY_MASK; + dram_info->wl_val[cs][pup][P] = phase; + dram_info->wl_val[cs][pup][D] = delay; + dram_info->wl_val[cs][pup][S] = + WL_HI_FREQ_STATE - 1; + reg = + ddr3_read_pup_reg(PUP_WL_MODE + 0x1, + cs, pup); + dram_info->wl_val[cs][pup][DQS] = + (reg & 0x3F); + } + +#ifdef MV_DEBUG_WL + /* Debug message - Print res for cs[i]: cs,PUP,Phase,Delay */ + DEBUG_WL_S("DDR3 - Write Leveling - Write Leveling Cs - "); + DEBUG_WL_D((u32) cs, 1); + DEBUG_WL_S(" Results:\n"); + for (pup = 0; + pup < dram_info->num_of_total_pups; + pup++) { + if (pup == dram_info->num_of_std_pups + && dram_info->ecc_ena) + pup = ECC_PUP; + DEBUG_WL_S("DDR3 - Write Leveling - PUP: "); + DEBUG_WL_D((u32) pup, 1); + DEBUG_WL_S(", Phase: "); + DEBUG_WL_D((u32) + dram_info->wl_val[cs][pup] + [P], 1); + DEBUG_WL_S(", Delay: "); + DEBUG_WL_D((u32) + dram_info->wl_val[cs][pup] + [D], 2); + DEBUG_WL_S("\n"); + } +#endif + } + } + + /* Dynamic pad issue (BTS669) during WL */ +#ifdef MV88F67XX + if (dpde_flag) { + reg = reg_read(REG_DUNIT_CTRL_LOW_ADDR) | + (1 << REG_DUNIT_CTRL_LOW_DPDE_OFFS); + reg_write(REG_DUNIT_CTRL_LOW_ADDR, reg); + } +#endif + + DEBUG_WL_S("DDR3 - Write Leveling - HW WL Ended Successfully\n"); + + return MV_OK; + } else { + DEBUG_WL_S("DDR3 - Write Leveling - HW WL Error\n"); + return MV_FAIL; + } +} + +/* + * Name: ddr3_wl_supplement + * Desc: Write Leveling Supplement + * Args: dram_info - main struct + * Notes: + * Returns: MV_OK if success, MV_FAIL if fail. + */ +int ddr3_wl_supplement(MV_DRAM_INFO *dram_info) +{ + u32 cs, cnt, pup_num, sum, phase, delay, max_pup_num, pup, sdram_offset; + u32 tmp_count, ecc, reg; + u32 ddr_width, tmp_pup, idx; + u32 sdram_pup_val, uj; + u32 one_clk_err = 0, align_err = 0, no_err = 0, err = 0, err_n = 0; + u32 sdram_data[LEN_WL_SUP_PATTERN] __aligned(32) = { 0 }; + + ddr_width = dram_info->ddr_width; + no_err = 0; + + DEBUG_WL_S("DDR3 - Write Leveling Hi-Freq Supplement - Starting\n"); + + switch (ddr_width) { + /* Data error from pos-adge to pos-adge */ + case 16: + one_clk_err = 4; + align_err = 4; + break; + case 32: + one_clk_err = 8; + align_err = 8; + break; + case 64: + one_clk_err = 0x10; + align_err = 0x10; + break; + default: + DEBUG_WL_S("Error - bus width!!!\n"); + return MV_FAIL; + } + + /* Enable SW override */ + reg = reg_read(REG_DRAM_TRAINING_2_ADDR) | + (1 << REG_DRAM_TRAINING_2_SW_OVRD_OFFS); + + /* [0] = 1 - Enable SW override */ + /* 0x15B8 - Training SW 2 Register */ + reg_write(REG_DRAM_TRAINING_2_ADDR, reg); + DEBUG_WL_S("DDR3 - Write Leveling Hi-Freq Supplement - SW Override Enabled\n"); + reg = (1 << REG_DRAM_TRAINING_AUTO_OFFS); + reg_write(REG_DRAM_TRAINING_ADDR, reg); /* 0x15B0 - Training Register */ + tmp_count = 0; + for (cs = 0; cs < MAX_CS; cs++) { + if (dram_info->cs_ena & (1 << cs)) { + sum = 0; + /* + * 2 iterations loop: 1)actual WL results 2) fix WL + * if needed + */ + for (cnt = 0; cnt < COUNT_WL_HI_FREQ; cnt++) { + DEBUG_WL_C("COUNT = ", cnt, 1); + for (ecc = 0; ecc < (dram_info->ecc_ena + 1); + ecc++) { + if (ecc) { + DEBUG_WL_S("ECC PUP:\n"); + } else { + DEBUG_WL_S("DATA PUP:\n"); + } + + max_pup_num = + dram_info->num_of_std_pups * (1 - + ecc) + + ecc; + /* ECC Support - Switch ECC Mux on ecc=1 */ + reg = + (reg_read(REG_DRAM_TRAINING_2_ADDR) + & ~(1 << + REG_DRAM_TRAINING_2_ECC_MUX_OFFS)); + reg |= + (dram_info->ecc_ena * + ecc << + REG_DRAM_TRAINING_2_ECC_MUX_OFFS); + reg_write(REG_DRAM_TRAINING_2_ADDR, + reg); + ddr3_reset_phy_read_fifo(); + + /* Write to memory */ + sdram_offset = + tmp_count * (SDRAM_CS_SIZE + 1) + + 0x200; + if (MV_OK != ddr3_dram_sram_burst((u32) + wl_sup_pattern, + sdram_offset, + LEN_WL_SUP_PATTERN)) + return MV_FAIL; + + /* Read from memory */ + if (MV_OK != + ddr3_dram_sram_burst(sdram_offset, + (u32) + sdram_data, + LEN_WL_SUP_PATTERN)) + return MV_FAIL; + + /* Print the buffer */ + for (uj = 0; uj < LEN_WL_SUP_PATTERN; + uj++) { + if ((uj % 4 == 0) && (uj != 0)) { + DEBUG_WL_S("\n"); + } + DEBUG_WL_D(sdram_data[uj], + 8); + DEBUG_WL_S(" "); + } + + /* Check pup which DQS/DATA is error */ + for (pup = 0; pup < max_pup_num; pup++) { + /* ECC support - bit 8 */ + pup_num = (ecc) ? ECC_PUP : pup; + if (pup < 4) { /* lower 32 bit */ + tmp_pup = pup; + idx = + WL_SUP_READ_DRAM_ENTRY; + } else { /* higher 32 bit */ + tmp_pup = pup - 4; + idx = + WL_SUP_READ_DRAM_ENTRY + + 1; + } + DEBUG_WL_S("\nCS: "); + DEBUG_WL_D((u32) cs, 1); + DEBUG_WL_S(" PUP: "); + DEBUG_WL_D((u32) pup_num, 1); + DEBUG_WL_S("\n"); + sdram_pup_val = + ((sdram_data[idx] >> + ((tmp_pup) * 8)) & 0xFF); + DEBUG_WL_C("Actual Data = ", + sdram_pup_val, 2); + DEBUG_WL_C("Expected Data = ", + (WL_SUP_EXPECTED_DATA + + pup), 2); + /* + * ALINGHMENT: calculate + * expected data vs actual data + */ + err = + (WL_SUP_EXPECTED_DATA + + pup) - sdram_pup_val; + /* + * CLOCK LONG: calculate + * expected data vs actual data + */ + err_n = + sdram_pup_val - + (WL_SUP_EXPECTED_DATA + + pup); + DEBUG_WL_C("err = ", err, 2); + DEBUG_WL_C("err_n = ", err_n, + 2); + if (err == no_err) { + /* PUP is correct - increment State */ + dram_info->wl_val[cs] + [pup_num] + [S] = 1; + } else if (err_n == one_clk_err) { + /* clock is longer than DQS */ + phase = + ((dram_info->wl_val + [cs] + [pup_num][P] + + WL_HI_FREQ_SHIFT) + % MAX_PHASE_2TO1); + dram_info->wl_val[cs] + [pup_num] + [P] = phase; + delay = + dram_info->wl_val + [cs][pup_num] + [D]; + DEBUG_WL_S("#### Clock is longer than DQS more than one clk cycle ####\n"); + ddr3_write_pup_reg + (PUP_WL_MODE, cs, + pup * (1 - ecc) + + ECC_PUP * ecc, + phase, delay); + } else if (err == align_err) { + /* clock is align to DQS */ + phase = + dram_info->wl_val + [cs][pup_num] + [P]; + delay = + dram_info->wl_val + [cs][pup_num] + [D]; + DEBUG_WL_S("#### Alignment PUPS problem ####\n"); + if ((phase == 0) + || ((phase == 1) + && (delay <= + 0x10))) { + DEBUG_WL_S("#### Warning - Possible Layout Violation (DQS is longer than CLK)####\n"); + } + + phase = 0x0; + delay = 0x0; + dram_info->wl_val[cs] + [pup_num] + [P] = phase; + dram_info->wl_val[cs] + [pup_num] + [D] = delay; + ddr3_write_pup_reg + (PUP_WL_MODE, cs, + pup * (1 - ecc) + + ECC_PUP * ecc, + phase, delay); + } + /* Stop condition for ECC phase */ + pup = (ecc) ? max_pup_num : pup; + } + + /* ECC Support - Disable ECC MUX */ + reg = + (reg_read(REG_DRAM_TRAINING_2_ADDR) + & ~(1 << + REG_DRAM_TRAINING_2_ECC_MUX_OFFS)); + reg_write(REG_DRAM_TRAINING_2_ADDR, + reg); + } + } + + for (pup = 0; pup < dram_info->num_of_std_pups; pup++) + sum += dram_info->wl_val[cs][pup][S]; + + if (dram_info->ecc_ena) + sum += dram_info->wl_val[cs][ECC_PUP][S]; + + /* Checks if any pup is not locked after the change */ + if (sum < (WL_HI_FREQ_STATE * (dram_info->num_of_total_pups))) { + DEBUG_WL_C("DDR3 - Write Leveling Hi-Freq Supplement - didn't work for Cs - ", + (u32) cs, 1); + return MV_FAIL; + } + tmp_count++; + } + } + + dram_info->wl_max_phase = 0; + dram_info->wl_min_phase = 10; + + /* + * Read results to arrays - Results are required for DQS Centralization + */ + for (cs = 0; cs < MAX_CS; cs++) { + if (dram_info->cs_ena & (1 << cs)) { + for (pup = 0; pup < dram_info->num_of_total_pups; pup++) { + if (pup == dram_info->num_of_std_pups + && dram_info->ecc_ena) + pup = ECC_PUP; + reg = ddr3_read_pup_reg(PUP_WL_MODE, cs, pup); + phase = + (reg >> REG_PHY_PHASE_OFFS) & + PUP_PHASE_MASK; + if (phase > dram_info->wl_max_phase) + dram_info->wl_max_phase = phase; + if (phase < dram_info->wl_min_phase) + dram_info->wl_min_phase = phase; + } + } + } + + /* Disable SW override - Must be in a different stage */ + /* [0]=0 - Enable SW override */ + reg = reg_read(REG_DRAM_TRAINING_2_ADDR); + reg &= ~(1 << REG_DRAM_TRAINING_2_SW_OVRD_OFFS); + /* 0x15B8 - Training SW 2 Register */ + reg_write(REG_DRAM_TRAINING_2_ADDR, reg); + + reg = reg_read(REG_DRAM_TRAINING_1_ADDR) | + (1 << REG_DRAM_TRAINING_1_TRNBPOINT_OFFS); + reg_write(REG_DRAM_TRAINING_1_ADDR, reg); + + DEBUG_WL_S("DDR3 - Write Leveling Hi-Freq Supplement - Ended Successfully\n"); + + return MV_OK; +} + +/* + * Name: ddr3_write_leveling_hw_reg_dimm + * Desc: Execute Write leveling phase by HW + * Args: freq - current sequence frequency + * dram_info - main struct + * Notes: + * Returns: MV_OK if success, MV_FAIL if fail. + */ +int ddr3_write_leveling_hw_reg_dimm(u32 freq, MV_DRAM_INFO *dram_info) +{ + u32 reg, phase, delay, cs, pup, pup_num; + __maybe_unused int dpde_flag = 0; + + /* Debug message - Start Read leveling procedure */ + DEBUG_WL_S("DDR3 - Write Leveling - Starting HW WL procedure\n"); + + if (dram_info->num_cs > 2) { + DEBUG_WL_S("DDR3 - Write Leveling - HW WL Ended Successfully\n"); + return MV_NO_CHANGE; + } + + /* If target freq = 400 move clock start point */ + /* Write to control PUP to Control Deskew Regs */ + if (freq <= DDR_400) { + for (pup = 0; pup <= dram_info->num_of_total_pups; pup++) { + /* PUP_DELAY_MASK 0x1F */ + /* reg = 0x0C10001F + (uj << 16); */ + ddr3_write_ctrl_pup_reg(1, pup, CNTRL_PUP_DESKEW + pup, + 0x1F); + } + } + +#ifdef MV88F67XX + /* Dynamic pad issue (BTS669) during WL */ + reg = reg_read(REG_DUNIT_CTRL_LOW_ADDR); + if (reg & (1 << REG_DUNIT_CTRL_LOW_DPDE_OFFS)) { + dpde_flag = 1; + reg_write(REG_DUNIT_CTRL_LOW_ADDR, + reg & ~(1 << REG_DUNIT_CTRL_LOW_DPDE_OFFS)); + } +#endif + + reg = (1 << REG_DRAM_TRAINING_WL_OFFS); + /* Config the retest number */ + reg |= (COUNT_HW_WL << REG_DRAM_TRAINING_RETEST_OFFS); + reg |= (dram_info->cs_ena << (REG_DRAM_TRAINING_CS_OFFS)); + reg_write(REG_DRAM_TRAINING_ADDR, reg); /* 0x15B0 - Training Register */ + + reg = reg_read(REG_DRAM_TRAINING_SHADOW_ADDR) | + (1 << REG_DRAM_TRAINING_AUTO_OFFS); + reg_write(REG_DRAM_TRAINING_SHADOW_ADDR, reg); + + /* Wait */ + do { + reg = reg_read(REG_DRAM_TRAINING_SHADOW_ADDR) & + (1 << REG_DRAM_TRAINING_AUTO_OFFS); + } while (reg); /* Wait for '0' */ + + reg = reg_read(REG_DRAM_TRAINING_ADDR); + /* Check if Successful */ + if (reg & (1 << REG_DRAM_TRAINING_ERROR_OFFS)) { + /* + * Read results to arrays - Results are required for WL High + * freq Supplement and DQS Centralization + */ + for (cs = 0; cs < MAX_CS; cs++) { + if (dram_info->cs_ena & (1 << cs)) { + for (pup = 0; + pup < dram_info->num_of_total_pups; + pup++) { + if (pup == dram_info->num_of_std_pups + && dram_info->ecc_ena) + pup = ECC_BIT; + reg = + ddr3_read_pup_reg(PUP_WL_MODE, cs, + pup); + phase = + (reg >> REG_PHY_PHASE_OFFS) & + PUP_PHASE_MASK; + delay = reg & PUP_DELAY_MASK; + dram_info->wl_val[cs][pup][P] = phase; + dram_info->wl_val[cs][pup][D] = delay; + if ((phase == 1) && (delay >= 0x1D)) { + /* + * Need to do it here for + * uncorrect WL values + */ + ddr3_write_pup_reg(PUP_WL_MODE, + cs, pup, 0, + 0); + dram_info->wl_val[cs][pup][P] = + 0; + dram_info->wl_val[cs][pup][D] = + 0; + } + dram_info->wl_val[cs][pup][S] = + WL_HI_FREQ_STATE - 1; + reg = + ddr3_read_pup_reg(PUP_WL_MODE + 0x1, + cs, pup); + dram_info->wl_val[cs][pup][DQS] = + (reg & 0x3F); + } +#ifdef MV_DEBUG_WL + /* + * Debug message - Print res for cs[i]: + * cs,PUP,Phase,Delay + */ + DEBUG_WL_S("DDR3 - Write Leveling - Write Leveling Cs - "); + DEBUG_WL_D((u32) cs, 1); + DEBUG_WL_S(" Results:\n"); + for (pup = 0; + pup < dram_info->num_of_total_pups; + pup++) { + DEBUG_WL_S + ("DDR3 - Write Leveling - PUP: "); + DEBUG_WL_D((u32) pup, 1); + DEBUG_WL_S(", Phase: "); + DEBUG_WL_D((u32) + dram_info->wl_val[cs][pup] + [P], 1); + DEBUG_WL_S(", Delay: "); + DEBUG_WL_D((u32) + dram_info->wl_val[cs][pup] + [D], 2); + DEBUG_WL_S("\n"); + } +#endif + } + } + +#ifdef MV88F67XX + /* Dynamic pad issue (BTS669) during WL */ + if (dpde_flag) { + reg = reg_read(REG_DUNIT_CTRL_LOW_ADDR) | + (1 << REG_DUNIT_CTRL_LOW_DPDE_OFFS); + reg_write(REG_DUNIT_CTRL_LOW_ADDR, reg); + } +#endif + DEBUG_WL_S("DDR3 - Write Leveling - HW WL Ended Successfully\n"); + + /* If target freq = 400 move clock back */ + /* Write to control PUP to Control Deskew Regs */ + if (freq <= DDR_400) { + for (pup = 0; pup <= dram_info->num_of_total_pups; + pup++) { + ddr3_write_ctrl_pup_reg(1, pup, + CNTRL_PUP_DESKEW + pup, 0); + } + } + + return MV_OK; + } else { + /* Configure Each PUP with locked leveling settings */ + for (cs = 0; cs < MAX_CS; cs++) { + if (dram_info->cs_ena & (1 << cs)) { + for (pup = 0; + pup < dram_info->num_of_total_pups; + pup++) { + /* ECC support - bit 8 */ + pup_num = (pup == dram_info->num_of_std_pups) ? + ECC_BIT : pup; + ddr3_write_pup_reg(PUP_WL_MODE, cs, + pup_num, 0, 0); + } + } + } + + reg_write(REG_DRAM_TRAINING_ADDR, 0); + + /* If target freq = 400 move clock back */ + /* Write to control PUP to Control Deskew Regs */ + if (freq <= DDR_400) { + for (pup = 0; pup <= dram_info->num_of_total_pups; + pup++) { + ddr3_write_ctrl_pup_reg(1, pup, + CNTRL_PUP_DESKEW + pup, 0); + } + } + + DEBUG_WL_S("DDR3 - Write Leveling - HW WL Ended Successfully\n"); + return MV_NO_CHANGE; + } +} + +/* + * Name: ddr3_write_leveling_sw + * Desc: Execute Write leveling phase by SW + * Args: freq - current sequence frequency + * dram_info - main struct + * Notes: + * Returns: MV_OK if success, MV_FAIL if fail. + */ +int ddr3_write_leveling_sw(u32 freq, int ratio_2to1, MV_DRAM_INFO *dram_info) +{ + u32 reg, cs, cnt, pup, max_pup_num; + u32 res[MAX_CS]; + max_pup_num = dram_info->num_of_total_pups; + __maybe_unused int dpde_flag = 0; + + /* Debug message - Start Write leveling procedure */ + DEBUG_WL_S("DDR3 - Write Leveling - Starting SW WL procedure\n"); + +#ifdef MV88F67XX + /* Dynamic pad issue (BTS669) during WL */ + reg = reg_read(REG_DUNIT_CTRL_LOW_ADDR); + if (reg & (1 << REG_DUNIT_CTRL_LOW_DPDE_OFFS)) { + dpde_flag = 1; + reg_write(REG_DUNIT_CTRL_LOW_ADDR, + reg & ~(1 << REG_DUNIT_CTRL_LOW_DPDE_OFFS)); + } +#endif + + /* Set Output buffer-off to all CS and correct ODT values */ + for (cs = 0; cs < MAX_CS; cs++) { + if (dram_info->cs_ena & (1 << cs)) { + reg = reg_read(REG_DDR3_MR1_ADDR) & + REG_DDR3_MR1_ODT_MASK; + reg |= odt_static[dram_info->cs_ena][cs]; + reg |= (1 << REG_DDR3_MR1_OUTBUF_DIS_OFFS); + + /* 0x15D0 - DDR3 MR0 Register */ + reg_write(REG_DDR3_MR1_ADDR, reg); + /* Issue MRS Command to current cs */ + reg = REG_SDRAM_OPERATION_CMD_MR1 & + ~(1 << (REG_SDRAM_OPERATION_CS_OFFS + cs)); + /* + * [3-0] = 0x4 - MR1 Command, [11-8] - + * enable current cs + */ + /* 0x1418 - SDRAM Operation Register */ + reg_write(REG_SDRAM_OPERATION_ADDR, reg); + + udelay(MRS_DELAY); + } + } + + DEBUG_WL_FULL_S("DDR3 - Write Leveling - Qoff and RTT Values are set for all Cs\n"); + + /* Enable SW override */ + reg = reg_read(REG_DRAM_TRAINING_2_ADDR) | + (1 << REG_DRAM_TRAINING_2_SW_OVRD_OFFS); + /* [0] = 1 - Enable SW override */ + /* 0x15B8 - Training SW 2 Register */ + reg_write(REG_DRAM_TRAINING_2_ADDR, reg); + DEBUG_WL_FULL_S("DDR3 - Write Leveling - SW Override Enabled\n"); + + /* Enable PHY write leveling mode */ + reg = reg_read(REG_DRAM_TRAINING_2_ADDR) & + ~(1 << REG_DRAM_TRAINING_2_WL_MODE_OFFS); + /* [2] = 0 - TrnWLMode - Enable */ + /* 0x15B8 - Training SW 2 Register */ + reg_write(REG_DRAM_TRAINING_2_ADDR, reg); + /* Reset WL results arry */ + memset(dram_info->wl_val, 0, sizeof(u32) * MAX_CS * MAX_PUP_NUM * 7); + + /* Loop for each cs */ + for (cs = 0; cs < MAX_CS; cs++) { + if (dram_info->cs_ena & (1 << cs)) { + DEBUG_WL_FULL_C("DDR3 - Write Leveling - Starting working with Cs - ", + (u32) cs, 1); + /* Refresh X9 current cs */ + DEBUG_WL_FULL_S("DDR3 - Write Leveling - Refresh X9\n"); + for (cnt = 0; cnt < COUNT_WL_RFRS; cnt++) { + reg = + REG_SDRAM_OPERATION_CMD_RFRS & ~(1 << + (REG_SDRAM_OPERATION_CS_OFFS + + cs)); + /* [3-0] = 0x2 - refresh, [11-8] - enable current cs */ + reg_write(REG_SDRAM_OPERATION_ADDR, reg); /* 0x1418 - SDRAM Operation Register */ + + do { + reg = + ((reg_read + (REG_SDRAM_OPERATION_ADDR)) & + REG_SDRAM_OPERATION_CMD_RFRS_DONE); + } while (reg); /* Wait for '0' */ + } + + /* Configure MR1 in Cs[CsNum] - write leveling on, output buffer on */ + DEBUG_WL_FULL_S("DDR3 - Write Leveling - Configure MR1 for current Cs: WL-on,OB-on\n"); + reg = reg_read(REG_DDR3_MR1_ADDR) & + REG_DDR3_MR1_OUTBUF_WL_MASK; + /* Set ODT Values */ + reg &= REG_DDR3_MR1_ODT_MASK; + reg |= odt_static[dram_info->cs_ena][cs]; + /* Enable WL MODE */ + reg |= (1 << REG_DDR3_MR1_WL_ENA_OFFS); + /* [7]=1, [12]=0 - Output Buffer and write leveling enabled */ + reg_write(REG_DDR3_MR1_ADDR, reg); /* 0x15D4 - DDR3 MR1 Register */ + /* Issue MRS Command to current cs */ + reg = REG_SDRAM_OPERATION_CMD_MR1 & + ~(1 << (REG_SDRAM_OPERATION_CS_OFFS + cs)); + /* + * [3-0] = 0x4 - MR1 Command, [11-8] - + * enable current cs + */ + /* 0x1418 - SDRAM Operation Register */ + reg_write(REG_SDRAM_OPERATION_ADDR, reg); + + udelay(MRS_DELAY); + + /* Write leveling cs[cs] */ + if (MV_OK != + ddr3_write_leveling_single_cs(cs, freq, ratio_2to1, + (u32 *)(res + cs), + dram_info)) { + DEBUG_WL_FULL_C("DDR3 - Write Leveling single Cs - FAILED - Cs - ", + (u32) cs, 1); + for (pup = 0; pup < max_pup_num; pup++) { + if (((res[cs] >> pup) & 0x1) == 0) { + DEBUG_WL_C("Failed Byte : ", + pup, 1); + } + } + return MV_FAIL; + } + + /* Set TrnWLDeUpd - After each CS is done */ + reg = reg_read(REG_TRAINING_WL_ADDR) | + (1 << REG_TRAINING_WL_CS_DONE_OFFS); + /* 0x16AC - Training Write leveling register */ + reg_write(REG_TRAINING_WL_ADDR, reg); + + /* + * Debug message - Finished Write leveling cs[cs] - + * each PUP Fail/Success + */ + DEBUG_WL_FULL_C("DDR3 - Write Leveling - Finished Cs - ", (u32) cs, + 1); + DEBUG_WL_FULL_C("DDR3 - Write Leveling - The Results: 1-PUP locked, 0-PUP failed -", + (u32) res[cs], 3); + + /* + * Configure MR1 in cs[cs] - write leveling off (0), + * output buffer off (1) + */ + reg = reg_read(REG_DDR3_MR1_ADDR) & + REG_DDR3_MR1_OUTBUF_WL_MASK; + reg |= (1 << REG_DDR3_MR1_OUTBUF_DIS_OFFS); + /* No need to sort ODT since it is same CS */ + /* 0x15D4 - DDR3 MR1 Register */ + reg_write(REG_DDR3_MR1_ADDR, reg); + /* Issue MRS Command to current cs */ + reg = REG_SDRAM_OPERATION_CMD_MR1 & + ~(1 << (REG_SDRAM_OPERATION_CS_OFFS + cs)); + /* + * [3-0] = 0x4 - MR1 Command, [11-8] - + * enable current cs + */ + /* 0x1418 - SDRAM Operation Register */ + reg_write(REG_SDRAM_OPERATION_ADDR, reg); + + udelay(MRS_DELAY); + } + } + + /* Disable WL Mode */ + /* [2]=1 - TrnWLMode - Disable */ + reg = reg_read(REG_DRAM_TRAINING_2_ADDR); + reg |= (1 << REG_DRAM_TRAINING_2_WL_MODE_OFFS); + /* 0x15B8 - Training SW 2 Register */ + reg_write(REG_DRAM_TRAINING_2_ADDR, reg); + + /* Disable SW override - Must be in a different stage */ + /* [0]=0 - Enable SW override */ + reg = reg_read(REG_DRAM_TRAINING_2_ADDR); + reg &= ~(1 << REG_DRAM_TRAINING_2_SW_OVRD_OFFS); + /* 0x15B8 - Training SW 2 Register */ + reg_write(REG_DRAM_TRAINING_2_ADDR, reg); + + /* Set Output buffer-on to all CS and correct ODT values */ + for (cs = 0; cs < MAX_CS; cs++) { + if (dram_info->cs_ena & (1 << cs)) { + reg = reg_read(REG_DDR3_MR1_ADDR) & + REG_DDR3_MR1_ODT_MASK; + reg &= REG_DDR3_MR1_OUTBUF_WL_MASK; + reg |= odt_static[dram_info->cs_ena][cs]; + + /* 0x15D0 - DDR3 MR1 Register */ + reg_write(REG_DDR3_MR1_ADDR, reg); + /* Issue MRS Command to current cs */ + reg = REG_SDRAM_OPERATION_CMD_MR1 & + ~(1 << (REG_SDRAM_OPERATION_CS_OFFS + cs)); + /* + * [3-0] = 0x4 - MR1 Command, [11-8] - + * enable current cs + */ + /* 0x1418 - SDRAM Operation Register */ + reg_write(REG_SDRAM_OPERATION_ADDR, reg); + + udelay(MRS_DELAY); + } + } + +#ifdef MV88F67XX + /* Dynamic pad issue (BTS669) during WL */ + if (dpde_flag) { + reg = reg_read(REG_DUNIT_CTRL_LOW_ADDR) | + (1 << REG_DUNIT_CTRL_LOW_DPDE_OFFS); + reg_write(REG_DUNIT_CTRL_LOW_ADDR, reg); + } +#endif + DEBUG_WL_FULL_S("DDR3 - Write Leveling - Finished WL procedure for all Cs\n"); + + return MV_OK; +} + +#if !defined(MV88F672X) +/* + * Name: ddr3_write_leveling_sw + * Desc: Execute Write leveling phase by SW + * Args: freq - current sequence frequency + * dram_info - main struct + * Notes: + * Returns: MV_OK if success, MV_FAIL if fail. + */ +int ddr3_write_leveling_sw_reg_dimm(u32 freq, int ratio_2to1, + MV_DRAM_INFO *dram_info) +{ + u32 reg, cs, cnt, pup; + u32 res[MAX_CS]; + __maybe_unused int dpde_flag = 0; + + /* Debug message - Start Write leveling procedure */ + DEBUG_WL_S("DDR3 - Write Leveling - Starting SW WL procedure\n"); + +#ifdef MV88F67XX + /* Dynamic pad issue (BTS669) during WL */ + reg = reg_read(REG_DUNIT_CTRL_LOW_ADDR); + if (reg & (1 << REG_DUNIT_CTRL_LOW_DPDE_OFFS)) { + dpde_flag = 1; + reg_write(REG_DUNIT_CTRL_LOW_ADDR, + reg & ~(1 << REG_DUNIT_CTRL_LOW_DPDE_OFFS)); + } +#endif + + /* If target freq = 400 move clock start point */ + /* Write to control PUP to Control Deskew Regs */ + if (freq <= DDR_400) { + for (pup = 0; pup <= dram_info->num_of_total_pups; pup++) { + /* PUP_DELAY_MASK 0x1F */ + /* reg = 0x0C10001F + (uj << 16); */ + ddr3_write_ctrl_pup_reg(1, pup, CNTRL_PUP_DESKEW + pup, + 0x1F); + } + } + + /* Set Output buffer-off to all CS and correct ODT values */ + for (cs = 0; cs < MAX_CS; cs++) { + if (dram_info->cs_ena & (1 << cs)) { + reg = reg_read(REG_DDR3_MR1_ADDR) & + REG_DDR3_MR1_ODT_MASK; + reg |= odt_static[dram_info->cs_ena][cs]; + reg |= (1 << REG_DDR3_MR1_OUTBUF_DIS_OFFS); + + /* 0x15D0 - DDR3 MR0 Register */ + reg_write(REG_DDR3_MR1_ADDR, reg); + /* Issue MRS Command to current cs */ + reg = REG_SDRAM_OPERATION_CMD_MR1 & + ~(1 << (REG_SDRAM_OPERATION_CS_OFFS + cs)); + /* + * [3-0] = 0x4 - MR1 Command, [11-8] - + * enable current cs + */ + /* 0x1418 - SDRAM Operation Register */ + reg_write(REG_SDRAM_OPERATION_ADDR, reg); + + udelay(MRS_DELAY); + } + } + + DEBUG_WL_FULL_S("DDR3 - Write Leveling - Qoff and RTT Values are set for all Cs\n"); + + /* Enable SW override */ + reg = reg_read(REG_DRAM_TRAINING_2_ADDR) | + (1 << REG_DRAM_TRAINING_2_SW_OVRD_OFFS); + /* [0] = 1 - Enable SW override */ + /* 0x15B8 - Training SW 2 Register */ + reg_write(REG_DRAM_TRAINING_2_ADDR, reg); + DEBUG_WL_FULL_S("DDR3 - Write Leveling - SW Override Enabled\n"); + + /* Enable PHY write leveling mode */ + reg = reg_read(REG_DRAM_TRAINING_2_ADDR) & + ~(1 << REG_DRAM_TRAINING_2_WL_MODE_OFFS); + /* [2] = 0 - TrnWLMode - Enable */ + /* 0x15B8 - Training SW 2 Register */ + reg_write(REG_DRAM_TRAINING_2_ADDR, reg); + + /* Loop for each cs */ + for (cs = 0; cs < MAX_CS; cs++) { + if (dram_info->cs_ena & (1 << cs)) { + DEBUG_WL_FULL_C("DDR3 - Write Leveling - Starting working with Cs - ", + (u32) cs, 1); + + /* Refresh X9 current cs */ + DEBUG_WL_FULL_S("DDR3 - Write Leveling - Refresh X9\n"); + for (cnt = 0; cnt < COUNT_WL_RFRS; cnt++) { + reg = + REG_SDRAM_OPERATION_CMD_RFRS & ~(1 << + (REG_SDRAM_OPERATION_CS_OFFS + + cs)); + /* [3-0] = 0x2 - refresh, [11-8] - enable current cs */ + reg_write(REG_SDRAM_OPERATION_ADDR, reg); /* 0x1418 - SDRAM Operation Register */ + + do { + reg = + ((reg_read + (REG_SDRAM_OPERATION_ADDR)) & + REG_SDRAM_OPERATION_CMD_RFRS_DONE); + } while (reg); /* Wait for '0' */ + } + + /* + * Configure MR1 in Cs[CsNum] - write leveling on, + * output buffer on + */ + DEBUG_WL_FULL_S("DDR3 - Write Leveling - Configure MR1 for current Cs: WL-on,OB-on\n"); + reg = reg_read(REG_DDR3_MR1_ADDR) & + REG_DDR3_MR1_OUTBUF_WL_MASK; + /* Set ODT Values */ + reg &= REG_DDR3_MR1_ODT_MASK; + reg |= odt_static[dram_info->cs_ena][cs]; + /* Enable WL MODE */ + reg |= (1 << REG_DDR3_MR1_WL_ENA_OFFS); + /* + * [7]=1, [12]=0 - Output Buffer and write leveling + * enabled + */ + /* 0x15D4 - DDR3 MR1 Register */ + reg_write(REG_DDR3_MR1_ADDR, reg); + /* Issue MRS Command to current cs */ + reg = REG_SDRAM_OPERATION_CMD_MR1 & + ~(1 << (REG_SDRAM_OPERATION_CS_OFFS + cs)); + /* + * [3-0] = 0x4 - MR1 Command, [11-8] - + * enable current cs + */ + /* 0x1418 - SDRAM Operation Register */ + reg_write(REG_SDRAM_OPERATION_ADDR, reg); + + udelay(MRS_DELAY); + + /* Write leveling cs[cs] */ + if (MV_OK != + ddr3_write_leveling_single_cs(cs, freq, ratio_2to1, + (u32 *)(res + cs), + dram_info)) { + DEBUG_WL_FULL_C("DDR3 - Write Leveling single Cs - FAILED - Cs - ", + (u32) cs, 1); + return MV_FAIL; + } + + /* Set TrnWLDeUpd - After each CS is done */ + reg = reg_read(REG_TRAINING_WL_ADDR) | + (1 << REG_TRAINING_WL_CS_DONE_OFFS); + /* 0x16AC - Training Write leveling register */ + reg_write(REG_TRAINING_WL_ADDR, reg); + + /* + * Debug message - Finished Write leveling cs[cs] - + * each PUP Fail/Success + */ + DEBUG_WL_FULL_C("DDR3 - Write Leveling - Finished Cs - ", (u32) cs, + 1); + DEBUG_WL_FULL_C("DDR3 - Write Leveling - The Results: 1-PUP locked, 0-PUP failed -", + (u32) res[cs], 3); + + /* Configure MR1 in cs[cs] - write leveling off (0), output buffer off (1) */ + reg = reg_read(REG_DDR3_MR1_ADDR) & + REG_DDR3_MR1_OUTBUF_WL_MASK; + reg |= (1 << REG_DDR3_MR1_OUTBUF_DIS_OFFS); + /* No need to sort ODT since it is same CS */ + /* 0x15D4 - DDR3 MR1 Register */ + reg_write(REG_DDR3_MR1_ADDR, reg); + /* Issue MRS Command to current cs */ + reg = REG_SDRAM_OPERATION_CMD_MR1 & + ~(1 << (REG_SDRAM_OPERATION_CS_OFFS + cs)); + /* + * [3-0] = 0x4 - MR1 Command, [11-8] - + * enable current cs + */ + /* 0x1418 - SDRAM Operation Register */ + reg_write(REG_SDRAM_OPERATION_ADDR, reg); + + udelay(MRS_DELAY); + } + } + + /* Disable WL Mode */ + /* [2]=1 - TrnWLMode - Disable */ + reg = reg_read(REG_DRAM_TRAINING_2_ADDR); + reg |= (1 << REG_DRAM_TRAINING_2_WL_MODE_OFFS); + /* 0x15B8 - Training SW 2 Register */ + reg_write(REG_DRAM_TRAINING_2_ADDR, reg); + + /* Disable SW override - Must be in a different stage */ + /* [0]=0 - Enable SW override */ + reg = reg_read(REG_DRAM_TRAINING_2_ADDR); + reg &= ~(1 << REG_DRAM_TRAINING_2_SW_OVRD_OFFS); + /* 0x15B8 - Training SW 2 Register */ + reg_write(REG_DRAM_TRAINING_2_ADDR, reg); + + /* Set Output buffer-on to all CS and correct ODT values */ + for (cs = 0; cs < MAX_CS; cs++) { + if (dram_info->cs_ena & (1 << cs)) { + reg = reg_read(REG_DDR3_MR1_ADDR) & + REG_DDR3_MR1_ODT_MASK; + reg &= REG_DDR3_MR1_OUTBUF_WL_MASK; + reg |= odt_static[dram_info->cs_ena][cs]; + + /* 0x15D0 - DDR3 MR1 Register */ + reg_write(REG_DDR3_MR1_ADDR, reg); + /* Issue MRS Command to current cs */ + reg = REG_SDRAM_OPERATION_CMD_MR1 & + ~(1 << (REG_SDRAM_OPERATION_CS_OFFS + cs)); + /* + * [3-0] = 0x4 - MR1 Command, [11-8] - + * enable current cs + */ + /* 0x1418 - SDRAM Operation Register */ + reg_write(REG_SDRAM_OPERATION_ADDR, reg); + + udelay(MRS_DELAY); + } + } + +#ifdef MV88F67XX + /* Dynamic pad issue (BTS669) during WL */ + if (dpde_flag) { + reg = reg_read(REG_DUNIT_CTRL_LOW_ADDR) | + (1 << REG_DUNIT_CTRL_LOW_DPDE_OFFS); + reg_write(REG_DUNIT_CTRL_LOW_ADDR, reg); + } +#endif + + /* If target freq = 400 move clock back */ + /* Write to control PUP to Control Deskew Regs */ + if (freq <= DDR_400) { + for (pup = 0; pup <= dram_info->num_of_total_pups; pup++) { + ddr3_write_ctrl_pup_reg(1, pup, CNTRL_PUP_DESKEW + pup, + 0); + } + } + + DEBUG_WL_FULL_S("DDR3 - Write Leveling - Finished WL procedure for all Cs\n"); + return MV_OK; +} +#endif + +/* + * Name: ddr3_write_leveling_single_cs + * Desc: Execute Write leveling for single Chip select + * Args: cs - current chip select + * freq - current sequence frequency + * result - res array + * dram_info - main struct + * Notes: + * Returns: MV_OK if success, MV_FAIL if fail. + */ +static int ddr3_write_leveling_single_cs(u32 cs, u32 freq, int ratio_2to1, + u32 *result, MV_DRAM_INFO *dram_info) +{ + u32 reg, pup_num, delay, phase, phaseMax, max_pup_num, pup, + max_pup_mask; + + max_pup_num = dram_info->num_of_total_pups; + *result = 0; + u32 flag[MAX_PUP_NUM] = { 0 }; + + DEBUG_WL_FULL_C("DDR3 - Write Leveling Single Cs - WL for Cs - ", + (u32) cs, 1); + + switch (max_pup_num) { + case 2: + max_pup_mask = 0x3; + break; + case 4: + max_pup_mask = 0xf; + DEBUG_WL_C("max_pup_mask = ", max_pup_mask, 3); + break; + case 5: + max_pup_mask = 0x1f; + DEBUG_WL_C("max_pup_mask = ", max_pup_mask, 3); + break; + case 8: + max_pup_mask = 0xff; + DEBUG_WL_C("max_pup_mask = ", max_pup_mask, 3); + break; + case 9: + max_pup_mask = 0x1ff; + DEBUG_WL_C("max_pup_mask = ", max_pup_mask, 3); + break; + default: + DEBUG_WL_C("ddr3_write_leveling_single_cs wrong max_pup_num = ", + max_pup_num, 3); + return MV_FAIL; + } + + /* CS ODT Override */ + reg = reg_read(REG_SDRAM_ODT_CTRL_HIGH_ADDR) & + REG_SDRAM_ODT_CTRL_HIGH_OVRD_MASK; + reg |= (REG_SDRAM_ODT_CTRL_HIGH_OVRD_ENA << (2 * cs)); + /* Set 0x3 - Enable ODT on the curent cs and disable on other cs */ + /* 0x1498 - SDRAM ODT Control high */ + reg_write(REG_SDRAM_ODT_CTRL_HIGH_ADDR, reg); + + DEBUG_WL_FULL_S("DDR3 - Write Leveling Single Cs - ODT Asserted for current Cs\n"); + + /* tWLMRD Delay */ + /* Delay of minimum 40 Dram clock cycles - 20 Tclk cycles */ + udelay(1); + + /* [1:0] - current cs number */ + reg = (reg_read(REG_TRAINING_WL_ADDR) & REG_TRAINING_WL_CS_MASK) | cs; + reg |= (1 << REG_TRAINING_WL_UPD_OFFS); /* [2] - trnWLCsUpd */ + /* 0x16AC - Training Write leveling register */ + reg_write(REG_TRAINING_WL_ADDR, reg); + + /* Broadcast to all PUPs: Reset DQS phase, reset leveling delay */ + ddr3_write_pup_reg(PUP_WL_MODE, cs, PUP_BC, 0, 0); + + /* Seek Edge */ + DEBUG_WL_FULL_S("DDR3 - Write Leveling Single Cs - Seek Edge - Current Cs\n"); + + /* Drive DQS high for one cycle - All data PUPs */ + DEBUG_WL_FULL_S("DDR3 - Write Leveling Single Cs - Seek Edge - Driving DQS high for one cycle\n"); + if (!ratio_2to1) { + reg = (reg_read(REG_TRAINING_WL_ADDR) & + REG_TRAINING_WL_RATIO_MASK) | REG_TRAINING_WL_1TO1; + } else { + reg = (reg_read(REG_TRAINING_WL_ADDR) & + REG_TRAINING_WL_RATIO_MASK) | REG_TRAINING_WL_2TO1; + } + /* 0x16AC - Training Write leveling register */ + reg_write(REG_TRAINING_WL_ADDR, reg); + + /* Wait tWLdelay */ + do { + /* [29] - trnWLDelayExp */ + reg = (reg_read(REG_TRAINING_WL_ADDR)) & + REG_TRAINING_WL_DELAYEXP_MASK; + } while (reg == 0x0); /* Wait for '1' */ + + /* Read WL res */ + reg = (reg_read(REG_TRAINING_WL_ADDR) >> REG_TRAINING_WL_RESULTS_OFFS) & + REG_TRAINING_WL_RESULTS_MASK; + /* [28:20] - TrnWLResult */ + + if (!ratio_2to1) /* Different phase options for 2:1 or 1:1 modes */ + phaseMax = MAX_PHASE_1TO1; + else + phaseMax = MAX_PHASE_2TO1; + + DEBUG_WL_FULL_S("DDR3 - Write Leveling Single Cs - Seek Edge - Shift DQS + Octet Leveling\n"); + + /* Shift DQS + Octet leveling */ + for (phase = 0; phase < phaseMax; phase++) { + for (delay = 0; delay < MAX_DELAY; delay++) { + /* Broadcast to all PUPs: DQS phase,leveling delay */ + ddr3_write_pup_reg(PUP_WL_MODE, cs, PUP_BC, phase, + delay); + + udelay(1); /* Delay of 3 Tclk cycles */ + + DEBUG_WL_FULL_S("DDR3 - Write Leveling Single Cs - Seek Edge: Phase = "); + DEBUG_WL_FULL_D((u32) phase, 1); + DEBUG_WL_FULL_S(", Delay = "); + DEBUG_WL_FULL_D((u32) delay, 1); + DEBUG_WL_FULL_S(", Counter = "); + DEBUG_WL_FULL_D((u32) i, 1); + DEBUG_WL_FULL_S("\n"); + + /* Drive DQS high for one cycle - All data PUPs */ + if (!ratio_2to1) { + reg = (reg_read(REG_TRAINING_WL_ADDR) & + REG_TRAINING_WL_RATIO_MASK) | + REG_TRAINING_WL_1TO1; + } else { + reg = (reg_read(REG_TRAINING_WL_ADDR) & + REG_TRAINING_WL_RATIO_MASK) | + REG_TRAINING_WL_2TO1; + } + reg_write(REG_TRAINING_WL_ADDR, reg); /* 0x16AC */ + + /* Wait tWLdelay */ + do { + reg = (reg_read(REG_TRAINING_WL_ADDR)) & + REG_TRAINING_WL_DELAYEXP_MASK; + } while (reg == 0x0); /* [29] Wait for '1' */ + + /* Read WL res */ + reg = reg_read(REG_TRAINING_WL_ADDR); + reg = (reg >> REG_TRAINING_WL_RESULTS_OFFS) & + REG_TRAINING_WL_RESULTS_MASK; /* [28:20] */ + + DEBUG_WL_FULL_C("DDR3 - Write Leveling Single Cs - Seek Edge: Results = ", + (u32) reg, 3); + + /* Update State machine */ + for (pup = 0; pup < (max_pup_num); pup++) { + /* ECC support - bit 8 */ + pup_num = (pup == dram_info->num_of_std_pups) ? + ECC_BIT : pup; + if (dram_info->wl_val[cs][pup][S] == 0) { + /* Update phase to PUP */ + dram_info->wl_val[cs][pup][P] = phase; + /* Update delay to PUP */ + dram_info->wl_val[cs][pup][D] = delay; + } + + if (((reg >> pup_num) & 0x1) == 0) + flag[pup_num] = 1; + + if (((reg >> pup_num) & 0x1) + && (flag[pup_num] == 1) + && (dram_info->wl_val[cs][pup][S] == 0)) { + /* + * If the PUP is locked now and in last + * counter states + */ + /* Go to next state */ + dram_info->wl_val[cs][pup][S] = 1; + /* Set res */ + *result = *result | (1 << pup_num); + } + } + + /* If all locked - Break the loops - Finished */ + if (*result == max_pup_mask) { + phase = phaseMax; + delay = MAX_DELAY; + DEBUG_WL_S("DDR3 - Write Leveling Single Cs - Seek Edge: All Locked\n"); + } + } + } + + /* Debug message - Print res for cs[i]: cs,PUP,Phase,Delay */ + DEBUG_WL_C("DDR3 - Write Leveling - Results for CS - ", (u32) cs, 1); + for (pup = 0; pup < (max_pup_num); pup++) { + DEBUG_WL_S("DDR3 - Write Leveling - PUP: "); + DEBUG_WL_D((u32) pup, 1); + DEBUG_WL_S(", Phase: "); + DEBUG_WL_D((u32) dram_info->wl_val[cs][pup][P], 1); + DEBUG_WL_S(", Delay: "); + DEBUG_WL_D((u32) dram_info->wl_val[cs][pup][D], 2); + DEBUG_WL_S("\n"); + } + + /* Check if some not locked and return error */ + if (*result != max_pup_mask) { + DEBUG_WL_S("DDR3 - Write Leveling - ERROR - not all PUPS were locked\n"); + return MV_FAIL; + } + + /* Configure Each PUP with locked leveling settings */ + for (pup = 0; pup < (max_pup_num); pup++) { + /* ECC support - bit 8 */ + pup_num = (pup == dram_info->num_of_std_pups) ? ECC_BIT : pup; + phase = dram_info->wl_val[cs][pup][P]; + delay = dram_info->wl_val[cs][pup][D]; + ddr3_write_pup_reg(PUP_WL_MODE, cs, pup_num, phase, delay); + } + + /* CS ODT Override */ + reg = reg_read(REG_SDRAM_ODT_CTRL_HIGH_ADDR) & + REG_SDRAM_ODT_CTRL_HIGH_OVRD_MASK; + /* 0x1498 - SDRAM ODT Control high */ + reg_write(REG_SDRAM_ODT_CTRL_HIGH_ADDR, reg); + + return MV_OK; +} + +/* + * Perform DDR3 Control PUP Indirect Write + */ +static void ddr3_write_ctrl_pup_reg(int bc_acc, u32 pup, u32 reg_addr, u32 data) +{ + u32 reg = 0; + + /* Store value for write */ + reg = (data & 0xFFFF); + + /* Set bit 26 for control PHY access */ + reg |= (1 << REG_PHY_CNTRL_OFFS); + + /* Configure BC or UC access to PHYs */ + if (bc_acc == 1) + reg |= (1 << REG_PHY_BC_OFFS); + else + reg |= (pup << REG_PHY_PUP_OFFS); + + /* Set PHY register address to write to */ + reg |= (reg_addr << REG_PHY_CS_OFFS); + + reg_write(REG_PHY_REGISTRY_FILE_ACCESS_ADDR, reg); /* 0x16A0 */ + reg |= REG_PHY_REGISTRY_FILE_ACCESS_OP_WR; + reg_write(REG_PHY_REGISTRY_FILE_ACCESS_ADDR, reg); /* 0x16A0 */ + + do { + reg = (reg_read(REG_PHY_REGISTRY_FILE_ACCESS_ADDR)) & + REG_PHY_REGISTRY_FILE_ACCESS_OP_DONE; + } while (reg); /* Wait for '0' to mark the end of the transaction */ +} diff --git a/drivers/ddr/mvebu/xor.c b/drivers/ddr/mvebu/xor.c new file mode 100644 index 0000000..66c96ae --- /dev/null +++ b/drivers/ddr/mvebu/xor.c @@ -0,0 +1,436 @@ +/* + * Copyright (C) Marvell International Ltd. and its affiliates + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#include <common.h> +#include <i2c.h> +#include <spl.h> +#include <asm/io.h> +#include <asm/arch/cpu.h> +#include <asm/arch/soc.h> + +#include "xor.h" +#include "xor_regs.h" + +static u32 xor_regs_ctrl_backup; +static u32 xor_regs_base_backup[MAX_CS]; +static u32 xor_regs_mask_backup[MAX_CS]; + +static void mv_xor_hal_init(u32 chan_num); +static int mv_xor_cmd_set(u32 chan, int command); +static int mv_xor_ctrl_set(u32 chan, u32 xor_ctrl); + +void mv_sys_xor_init(MV_DRAM_INFO *dram_info) +{ + u32 reg, ui, base, cs_count; + + xor_regs_ctrl_backup = reg_read(XOR_WINDOW_CTRL_REG(0, 0)); + for (ui = 0; ui < MAX_CS; ui++) + xor_regs_base_backup[ui] = reg_read(XOR_BASE_ADDR_REG(0, ui)); + for (ui = 0; ui < MAX_CS; ui++) + xor_regs_mask_backup[ui] = reg_read(XOR_SIZE_MASK_REG(0, ui)); + + reg = 0; + for (ui = 0; ui < (dram_info->num_cs + 1); ui++) { + /* Enable Window x for each CS */ + reg |= (0x1 << (ui)); + /* Enable Window x for each CS */ + reg |= (0x3 << ((ui * 2) + 16)); + } + + reg_write(XOR_WINDOW_CTRL_REG(0, 0), reg); + + /* Last window - Base - 0x40000000, Attribute 0x1E - SRAM */ + base = (SRAM_BASE & 0xFFFF0000) | 0x1E00; + reg_write(XOR_BASE_ADDR_REG(0, dram_info->num_cs), base); + /* Last window - Size - 64 MB */ + reg_write(XOR_SIZE_MASK_REG(0, dram_info->num_cs), 0x03FF0000); + + cs_count = 0; + for (ui = 0; ui < MAX_CS; ui++) { + if (dram_info->cs_ena & (1 << ui)) { + /* + * Window x - Base - 0x00000000, Attribute 0x0E - DRAM + */ + base = 0; + switch (ui) { + case 0: + base |= 0xE00; + break; + case 1: + base |= 0xD00; + break; + case 2: + base |= 0xB00; + break; + case 3: + base |= 0x700; + break; + } + + reg_write(XOR_BASE_ADDR_REG(0, cs_count), base); + + /* Window x - Size - 256 MB */ + reg_write(XOR_SIZE_MASK_REG(0, cs_count), 0x0FFF0000); + cs_count++; + } + } + + mv_xor_hal_init(1); + + return; +} + +void mv_sys_xor_finish(void) +{ + u32 ui; + + reg_write(XOR_WINDOW_CTRL_REG(0, 0), xor_regs_ctrl_backup); + for (ui = 0; ui < MAX_CS; ui++) + reg_write(XOR_BASE_ADDR_REG(0, ui), xor_regs_base_backup[ui]); + for (ui = 0; ui < MAX_CS; ui++) + reg_write(XOR_SIZE_MASK_REG(0, ui), xor_regs_mask_backup[ui]); + + reg_write(XOR_ADDR_OVRD_REG(0, 0), 0); +} + +/* + * mv_xor_hal_init - Initialize XOR engine + * + * DESCRIPTION: + * This function initialize XOR unit. + * INPUT: + * None. + * + * OUTPUT: + * None. + * + * RETURN: + * MV_BAD_PARAM if parameters to function invalid, MV_OK otherwise. + */ +static void mv_xor_hal_init(u32 chan_num) +{ + u32 i; + + /* Abort any XOR activity & set default configuration */ + for (i = 0; i < chan_num; i++) { + mv_xor_cmd_set(i, MV_STOP); + mv_xor_ctrl_set(i, (1 << XEXCR_REG_ACC_PROTECT_OFFS) | + (4 << XEXCR_DST_BURST_LIMIT_OFFS) | + (4 << XEXCR_SRC_BURST_LIMIT_OFFS)); + } +} + +/* + * mv_xor_ctrl_set - Set XOR channel control registers + * + * DESCRIPTION: + * + * INPUT: + * + * OUTPUT: + * None. + * + * RETURN: + * MV_BAD_PARAM if parameters to function invalid, MV_OK otherwise. + * NOTE: + * This function does not modify the OperationMode field of control register. + * + */ +static int mv_xor_ctrl_set(u32 chan, u32 xor_ctrl) +{ + u32 val; + + /* Update the XOR Engine [0..1] Configuration Registers (XExCR) */ + val = reg_read(XOR_CONFIG_REG(XOR_UNIT(chan), XOR_CHAN(chan))) + & XEXCR_OPERATION_MODE_MASK; + xor_ctrl &= ~XEXCR_OPERATION_MODE_MASK; + xor_ctrl |= val; + reg_write(XOR_CONFIG_REG(XOR_UNIT(chan), XOR_CHAN(chan)), xor_ctrl); + + return MV_OK; +} + +int mv_xor_mem_init(u32 chan, u32 start_ptr, u32 block_size, u32 init_val_high, + u32 init_val_low) +{ + u32 tmp; + + /* Parameter checking */ + if (chan >= MV_XOR_MAX_CHAN) + return MV_BAD_PARAM; + + if (MV_ACTIVE == mv_xor_state_get(chan)) + return MV_BUSY; + + if ((block_size < XEXBSR_BLOCK_SIZE_MIN_VALUE) || + (block_size > XEXBSR_BLOCK_SIZE_MAX_VALUE)) + return MV_BAD_PARAM; + + /* Set the operation mode to Memory Init */ + tmp = reg_read(XOR_CONFIG_REG(XOR_UNIT(chan), XOR_CHAN(chan))); + tmp &= ~XEXCR_OPERATION_MODE_MASK; + tmp |= XEXCR_OPERATION_MODE_MEM_INIT; + reg_write(XOR_CONFIG_REG(XOR_UNIT(chan), XOR_CHAN(chan)), tmp); + + /* + * Update the start_ptr field in XOR Engine [0..1] Destination Pointer + * Register (XExDPR0) + */ + reg_write(XOR_DST_PTR_REG(XOR_UNIT(chan), XOR_CHAN(chan)), start_ptr); + + /* + * Update the BlockSize field in the XOR Engine[0..1] Block Size + * Registers (XExBSR) + */ + reg_write(XOR_BLOCK_SIZE_REG(XOR_UNIT(chan), XOR_CHAN(chan)), + block_size); + + /* + * Update the field InitValL in the XOR Engine Initial Value Register + * Low (XEIVRL) + */ + reg_write(XOR_INIT_VAL_LOW_REG(XOR_UNIT(chan)), init_val_low); + + /* + * Update the field InitValH in the XOR Engine Initial Value Register + * High (XEIVRH) + */ + reg_write(XOR_INIT_VAL_HIGH_REG(XOR_UNIT(chan)), init_val_high); + + /* Start transfer */ + reg_bit_set(XOR_ACTIVATION_REG(XOR_UNIT(chan), XOR_CHAN(chan)), + XEXACTR_XESTART_MASK); + + return MV_OK; +} + +/* + * mv_xor_transfer - Transfer data from source to destination on one of + * three modes (XOR,CRC32,DMA) + * + * DESCRIPTION: + * This function initiates XOR channel, according to function parameters, + * in order to perform XOR or CRC32 or DMA transaction. + * To gain maximum performance the user is asked to keep the following + * restrictions: + * 1) Selected engine is available (not busy). + * 1) This module does not take into consideration CPU MMU issues. + * In order for the XOR engine to access the appropreate source + * and destination, address parameters must be given in system + * physical mode. + * 2) This API does not take care of cache coherency issues. The source, + * destination and in case of chain the descriptor list are assumed + * to be cache coherent. + * 4) Parameters validity. For example, does size parameter exceeds + * maximum byte count of descriptor mode (16M or 64K). + * + * INPUT: + * chan - XOR channel number. See MV_XOR_CHANNEL enumerator. + * xor_type - One of three: XOR, CRC32 and DMA operations. + * xor_chain_ptr - address of chain pointer + * + * OUTPUT: + * None. + * + * RETURS: + * MV_BAD_PARAM if parameters to function invalid, MV_OK otherwise. + * + */ +int mv_xor_transfer(u32 chan, int xor_type, u32 xor_chain_ptr) +{ + u32 tmp; + + /* Parameter checking */ + if (chan >= MV_XOR_MAX_CHAN) { + debug("%s: ERR. Invalid chan num %d\n", __func__, chan); + return MV_BAD_PARAM; + } + + if (MV_ACTIVE == mv_xor_state_get(chan)) { + debug("%s: ERR. Channel is already active\n", __func__); + return MV_BUSY; + } + + if (0x0 == xor_chain_ptr) { + debug("%s: ERR. xor_chain_ptr is NULL pointer\n", __func__); + return MV_BAD_PARAM; + } + + /* Read configuration register and mask the operation mode field */ + tmp = reg_read(XOR_CONFIG_REG(XOR_UNIT(chan), XOR_CHAN(chan))); + tmp &= ~XEXCR_OPERATION_MODE_MASK; + + switch (xor_type) { + case MV_XOR: + if (0 != (xor_chain_ptr & XEXDPR_DST_PTR_XOR_MASK)) { + debug("%s: ERR. Invalid chain pointer (bits [5:0] must be cleared)\n", + __func__); + return MV_BAD_PARAM; + } + + /* Set the operation mode to XOR */ + tmp |= XEXCR_OPERATION_MODE_XOR; + break; + + case MV_DMA: + if (0 != (xor_chain_ptr & XEXDPR_DST_PTR_DMA_MASK)) { + debug("%s: ERR. Invalid chain pointer (bits [4:0] must be cleared)\n", + __func__); + return MV_BAD_PARAM; + } + + /* Set the operation mode to DMA */ + tmp |= XEXCR_OPERATION_MODE_DMA; + break; + + case MV_CRC32: + if (0 != (xor_chain_ptr & XEXDPR_DST_PTR_CRC_MASK)) { + debug("%s: ERR. Invalid chain pointer (bits [4:0] must be cleared)\n", + __func__); + return MV_BAD_PARAM; + } + + /* Set the operation mode to CRC32 */ + tmp |= XEXCR_OPERATION_MODE_CRC; + break; + + default: + return MV_BAD_PARAM; + } + + /* Write the operation mode to the register */ + reg_write(XOR_CONFIG_REG(XOR_UNIT(chan), XOR_CHAN(chan)), tmp); + + /* + * Update the NextDescPtr field in the XOR Engine [0..1] Next Descriptor + * Pointer Register (XExNDPR) + */ + reg_write(XOR_NEXT_DESC_PTR_REG(XOR_UNIT(chan), XOR_CHAN(chan)), + xor_chain_ptr); + + /* Start transfer */ + reg_bit_set(XOR_ACTIVATION_REG(XOR_UNIT(chan), XOR_CHAN(chan)), + XEXACTR_XESTART_MASK); + + return MV_OK; +} + +/* + * mv_xor_state_get - Get XOR channel state. + * + * DESCRIPTION: + * XOR channel activity state can be active, idle, paused. + * This function retrunes the channel activity state. + * + * INPUT: + * chan - the channel number + * + * OUTPUT: + * None. + * + * RETURN: + * XOR_CHANNEL_IDLE - If the engine is idle. + * XOR_CHANNEL_ACTIVE - If the engine is busy. + * XOR_CHANNEL_PAUSED - If the engine is paused. + * MV_UNDEFINED_STATE - If the engine state is undefind or there is no + * such engine + * + */ +int mv_xor_state_get(u32 chan) +{ + u32 state; + + /* Parameter checking */ + if (chan >= MV_XOR_MAX_CHAN) { + debug("%s: ERR. Invalid chan num %d\n", __func__, chan); + return MV_UNDEFINED_STATE; + } + + /* Read the current state */ + state = reg_read(XOR_ACTIVATION_REG(XOR_UNIT(chan), XOR_CHAN(chan))); + state &= XEXACTR_XESTATUS_MASK; + + /* Return the state */ + switch (state) { + case XEXACTR_XESTATUS_IDLE: + return MV_IDLE; + case XEXACTR_XESTATUS_ACTIVE: + return MV_ACTIVE; + case XEXACTR_XESTATUS_PAUSED: + return MV_PAUSED; + } + + return MV_UNDEFINED_STATE; +} + +/* + * mv_xor_cmd_set - Set command of XOR channel + * + * DESCRIPTION: + * XOR channel can be started, idle, paused and restarted. + * Paused can be set only if channel is active. + * Start can be set only if channel is idle or paused. + * Restart can be set only if channel is paused. + * Stop can be set only if channel is active. + * + * INPUT: + * chan - The channel number + * command - The command type (start, stop, restart, pause) + * + * OUTPUT: + * None. + * + * RETURN: + * MV_OK on success , MV_BAD_PARAM on erroneous parameter, MV_ERROR on + * undefind XOR engine mode + * + */ +static int mv_xor_cmd_set(u32 chan, int command) +{ + int state; + + /* Parameter checking */ + if (chan >= MV_XOR_MAX_CHAN) { + debug("%s: ERR. Invalid chan num %d\n", __func__, chan); + return MV_BAD_PARAM; + } + + /* Get the current state */ + state = mv_xor_state_get(chan); + + /* Command is start and current state is idle */ + if ((command == MV_START) && (state == MV_IDLE)) { + reg_bit_set(XOR_ACTIVATION_REG(XOR_UNIT(chan), XOR_CHAN(chan)), + XEXACTR_XESTART_MASK); + return MV_OK; + } + /* Command is stop and current state is active */ + else if ((command == MV_STOP) && (state == MV_ACTIVE)) { + reg_bit_set(XOR_ACTIVATION_REG(XOR_UNIT(chan), XOR_CHAN(chan)), + XEXACTR_XESTOP_MASK); + return MV_OK; + } + /* Command is paused and current state is active */ + else if ((command == MV_PAUSED) && (state == MV_ACTIVE)) { + reg_bit_set(XOR_ACTIVATION_REG(XOR_UNIT(chan), XOR_CHAN(chan)), + XEXACTR_XEPAUSE_MASK); + return MV_OK; + } + /* Command is restart and current state is paused */ + else if ((command == MV_RESTART) && (state == MV_PAUSED)) { + reg_bit_set(XOR_ACTIVATION_REG(XOR_UNIT(chan), XOR_CHAN(chan)), + XEXACTR_XERESTART_MASK); + return MV_OK; + } + /* Command is stop and current state is active */ + else if ((command == MV_STOP) && (state == MV_IDLE)) + return MV_OK; + + /* Illegal command */ + debug("%s: ERR. Illegal command\n", __func__); + + return MV_BAD_PARAM; +} diff --git a/drivers/ddr/mvebu/xor.h b/drivers/ddr/mvebu/xor.h new file mode 100644 index 0000000..3536487 --- /dev/null +++ b/drivers/ddr/mvebu/xor.h @@ -0,0 +1,70 @@ +/* + * Copyright (C) Marvell International Ltd. and its affiliates + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#ifndef __XOR_H +#define __XOR_H + +#include "ddr3_hw_training.h" + +#define MV_XOR_MAX_CHAN 4 /* total channels for all units together */ + +/* + * This enumerator describes the type of functionality the XOR channel + * can have while using the same data structures. + */ +enum xor_type { + MV_XOR, /* XOR channel functions as XOR accelerator */ + MV_DMA, /* XOR channel functions as IDMA channel */ + MV_CRC32 /* XOR channel functions as CRC 32 calculator */ +}; + +/* + * This enumerator describes the set of commands that can be applied on + * an engine (e.g. IDMA, XOR). Appling a comman depends on the current + * status (see MV_STATE enumerator) + * Start can be applied only when status is IDLE + * Stop can be applied only when status is IDLE, ACTIVE or PAUSED + * Pause can be applied only when status is ACTIVE + * Restart can be applied only when status is PAUSED + */ +enum mv_command { + MV_START, /* Start */ + MV_STOP, /* Stop */ + MV_PAUSE, /* Pause */ + MV_RESTART /* Restart */ +}; + +/* + * This enumerator describes the set of state conditions. + * Moving from one state to other is stricted. + */ +enum mv_state { + MV_IDLE, + MV_ACTIVE, + MV_PAUSED, + MV_UNDEFINED_STATE +}; + +/* XOR descriptor structure for CRC and DMA descriptor */ +struct crc_dma_desc { + u32 status; /* Successful descriptor execution indication */ + u32 crc32_result; /* Result of CRC-32 calculation */ + u32 desc_cmd; /* type of operation to be carried out on the data */ + u32 next_desc_ptr; /* Next descriptor address pointer */ + u32 byte_cnt; /* Size of source block part represented by the descriptor */ + u32 dst_addr; /* Destination Block address pointer (not used in CRC32 */ + u32 src_addr0; /* Mode: Source Block address pointer */ + u32 src_addr1; /* Mode: Source Block address pointer */ +} __packed; + +int mv_xor_state_get(u32 chan); +void mv_sys_xor_init(MV_DRAM_INFO *dram_info); +void mv_sys_xor_finish(void); +int mv_xor_transfer(u32 chan, int xor_type, u32 xor_chain_ptr); +int mv_xor_mem_init(u32 chan, u32 start_ptr, u32 block_size, u32 init_val_high, + u32 init_val_low); + +#endif /* __XOR_H */ diff --git a/drivers/ddr/mvebu/xor_regs.h b/drivers/ddr/mvebu/xor_regs.h new file mode 100644 index 0000000..884aa15 --- /dev/null +++ b/drivers/ddr/mvebu/xor_regs.h @@ -0,0 +1,103 @@ +/* + * Copyright (C) Marvell International Ltd. and its affiliates + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#ifndef __XOR_REGS_H +#define __XOR_REGS_H + +/* + * For controllers that have two XOR units, then chans 2 & 3 will be mapped + * to channels 0 & 1 of unit 1 + */ +#define XOR_UNIT(chan) ((chan) >> 1) +#define XOR_CHAN(chan) ((chan) & 1) + +#define MV_XOR_REGS_OFFSET(unit) (0x60900) +#define MV_XOR_REGS_BASE(unit) (MV_XOR_REGS_OFFSET(unit)) + +/* XOR Engine Control Register Map */ +#define XOR_CHANNEL_ARBITER_REG(unit) (MV_XOR_REGS_BASE(unit)) +#define XOR_CONFIG_REG(unit, chan) (MV_XOR_REGS_BASE(unit) + (0x10 + ((chan) * 4))) +#define XOR_ACTIVATION_REG(unit, chan) (MV_XOR_REGS_BASE(unit) + (0x20 + ((chan) * 4))) + +/* XOR Engine Interrupt Register Map */ +#define XOR_CAUSE_REG(unit) (MV_XOR_REGS_BASE(unit) + 0x30) +#define XOR_MASK_REG(unit) (MV_XOR_REGS_BASE(unit) + 0x40) +#define XOR_ERROR_CAUSE_REG(unit) (MV_XOR_REGS_BASE(unit) + 0x50) +#define XOR_ERROR_ADDR_REG(unit) (MV_XOR_REGS_BASE(unit) + 0x60) + +/* XOR Engine Descriptor Register Map */ +#define XOR_NEXT_DESC_PTR_REG(unit, chan) (MV_XOR_REGS_BASE(unit) + (0x200 + ((chan) * 4))) +#define XOR_CURR_DESC_PTR_REG(unit, chan) (MV_XOR_REGS_BASE(unit) + (0x210 + ((chan) * 4))) +#define XOR_BYTE_COUNT_REG(unit, chan) (MV_XOR_REGS_BASE(unit) + (0x220 + ((chan) * 4))) + +#define XOR_DST_PTR_REG(unit, chan) (MV_XOR_REGS_BASE(unit) + (0x2B0 + ((chan) * 4))) +#define XOR_BLOCK_SIZE_REG(unit, chan) (MV_XOR_REGS_BASE(unit) + (0x2C0 + ((chan) * 4))) +#define XOR_TIMER_MODE_CTRL_REG(unit) (MV_XOR_REGS_BASE(unit) + 0x2D0) +#define XOR_TIMER_MODE_INIT_VAL_REG(unit) (MV_XOR_REGS_BASE(unit) + 0x2D4) +#define XOR_TIMER_MODE_CURR_VAL_REG(unit) (MV_XOR_REGS_BASE(unit) + 0x2D8) +#define XOR_INIT_VAL_LOW_REG(unit) (MV_XOR_REGS_BASE(unit) + 0x2E0) +#define XOR_INIT_VAL_HIGH_REG(unit) (MV_XOR_REGS_BASE(unit) + 0x2E4) + +/* XOR register fileds */ + +/* XOR Engine [0..1] Configuration Registers (XExCR) */ +#define XEXCR_OPERATION_MODE_OFFS (0) +#define XEXCR_OPERATION_MODE_MASK (7 << XEXCR_OPERATION_MODE_OFFS) +#define XEXCR_OPERATION_MODE_XOR (0 << XEXCR_OPERATION_MODE_OFFS) +#define XEXCR_OPERATION_MODE_CRC (1 << XEXCR_OPERATION_MODE_OFFS) +#define XEXCR_OPERATION_MODE_DMA (2 << XEXCR_OPERATION_MODE_OFFS) +#define XEXCR_OPERATION_MODE_ECC (3 << XEXCR_OPERATION_MODE_OFFS) +#define XEXCR_OPERATION_MODE_MEM_INIT (4 << XEXCR_OPERATION_MODE_OFFS) + +#define XEXCR_SRC_BURST_LIMIT_OFFS (4) +#define XEXCR_SRC_BURST_LIMIT_MASK (7 << XEXCR_SRC_BURST_LIMIT_OFFS) +#define XEXCR_DST_BURST_LIMIT_OFFS (8) +#define XEXCR_DST_BURST_LIMIT_MASK (7 << XEXCR_DST_BURST_LIMIT_OFFS) +#define XEXCR_DRD_RES_SWP_OFFS (12) +#define XEXCR_DRD_RES_SWP_MASK (1 << XEXCR_DRD_RES_SWP_OFFS) +#define XEXCR_DWR_REQ_SWP_OFFS (13) +#define XEXCR_DWR_REQ_SWP_MASK (1 << XEXCR_DWR_REQ_SWP_OFFS) +#define XEXCR_DES_SWP_OFFS (14) +#define XEXCR_DES_SWP_MASK (1 << XEXCR_DES_SWP_OFFS) +#define XEXCR_REG_ACC_PROTECT_OFFS (15) +#define XEXCR_REG_ACC_PROTECT_MASK (1 << XEXCR_REG_ACC_PROTECT_OFFS) + +/* XOR Engine [0..1] Activation Registers (XExACTR) */ +#define XEXACTR_XESTART_OFFS (0) +#define XEXACTR_XESTART_MASK (1 << XEXACTR_XESTART_OFFS) +#define XEXACTR_XESTOP_OFFS (1) +#define XEXACTR_XESTOP_MASK (1 << XEXACTR_XESTOP_OFFS) +#define XEXACTR_XEPAUSE_OFFS (2) +#define XEXACTR_XEPAUSE_MASK (1 << XEXACTR_XEPAUSE_OFFS) +#define XEXACTR_XERESTART_OFFS (3) +#define XEXACTR_XERESTART_MASK (1 << XEXACTR_XERESTART_OFFS) +#define XEXACTR_XESTATUS_OFFS (4) +#define XEXACTR_XESTATUS_MASK (3 << XEXACTR_XESTATUS_OFFS) +#define XEXACTR_XESTATUS_IDLE (0 << XEXACTR_XESTATUS_OFFS) +#define XEXACTR_XESTATUS_ACTIVE (1 << XEXACTR_XESTATUS_OFFS) +#define XEXACTR_XESTATUS_PAUSED (2 << XEXACTR_XESTATUS_OFFS) + +/* XOR Engine [0..1] Destination Pointer Register (XExDPR0) */ +#define XEXDPR_DST_PTR_OFFS (0) +#define XEXDPR_DST_PTR_MASK (0xFFFFFFFF << XEXDPR_DST_PTR_OFFS) +#define XEXDPR_DST_PTR_XOR_MASK (0x3F) +#define XEXDPR_DST_PTR_DMA_MASK (0x1F) +#define XEXDPR_DST_PTR_CRC_MASK (0x1F) + +/* XOR Engine[0..1] Block Size Registers (XExBSR) */ +#define XEXBSR_BLOCK_SIZE_OFFS (0) +#define XEXBSR_BLOCK_SIZE_MASK (0xFFFFFFFF << XEXBSR_BLOCK_SIZE_OFFS) +#define XEXBSR_BLOCK_SIZE_MIN_VALUE (128) +#define XEXBSR_BLOCK_SIZE_MAX_VALUE (0xFFFFFFFF) + +/* XOR Engine Address Decoding Register Map */ +#define XOR_WINDOW_CTRL_REG(unit, chan) (MV_XOR_REGS_BASE(unit) + (0x240 + ((chan) * 4))) +#define XOR_BASE_ADDR_REG(unit, win) (MV_XOR_REGS_BASE(unit) + (0x250 + ((win) * 4))) +#define XOR_SIZE_MASK_REG(unit, win) (MV_XOR_REGS_BASE(unit) + (0x270 + ((win) * 4))) +#define XOR_HIGH_ADDR_REMAP_REG(unit, win) (MV_XOR_REGS_BASE(unit) + (0x290 + ((win) * 4))) +#define XOR_ADDR_OVRD_REG(unit, win) (MV_XOR_REGS_BASE(unit) + (0x2A0 + ((win) * 4))) + +#endif /* __XOR_REGS_H */ diff --git a/include/configs/db-mv784mp-gp.h b/include/configs/db-mv784mp-gp.h index cb03e33..1683a15 100644 --- a/include/configs/db-mv784mp-gp.h +++ b/include/configs/db-mv784mp-gp.h @@ -11,6 +11,8 @@ * High Level Configuration Options (easy to change) */ #define CONFIG_ARMADA_XP /* SOC Family Name */ +#define CONFIG_DB_784MP_GP /* Board target name for DDR training */ + #define CONFIG_SKIP_LOWLEVEL_INIT /* disable board lowlevel_init */ #define CONFIG_SYS_GENERIC_BOARD #define CONFIG_DISPLAY_BOARDINFO_LATE @@ -65,4 +67,51 @@ */ #include "mv-common.h" +/* + * Memory layout while starting into the bin_hdr via the + * BootROM: + * + * 0x4000.4000 - 0x4003.4000 headers space (192KiB) + * 0x4000.4030 bin_hdr start address + * 0x4003.4000 - 0x4004.7c00 BootROM memory allocations (15KiB) + * 0x4007.fffc BootROM stack top + * + * The address space between 0x4007.fffc and 0x400f.fff is not locked in + * L2 cache thus cannot be used. + */ + +/* SPL */ +/* Defines for SPL */ +#define CONFIG_SPL_FRAMEWORK +#define CONFIG_SPL_TEXT_BASE 0x40004030 +#define CONFIG_SPL_MAX_SIZE ((128 << 10) - 0x4030) + +#define CONFIG_SPL_BSS_START_ADDR (0x40000000 + (128 << 10)) +#define CONFIG_SPL_BSS_MAX_SIZE (16 << 10) + +#define CONFIG_SYS_SPL_MALLOC_START (CONFIG_SPL_BSS_START_ADDR + \ + CONFIG_SPL_BSS_MAX_SIZE) +#define CONFIG_SYS_SPL_MALLOC_SIZE (16 << 10) + +#define CONFIG_SPL_STACK (0x40000000 + ((192 - 16) << 10)) +#define CONFIG_SPL_BOOTROM_SAVE (CONFIG_SPL_STACK + 4) + +#define CONFIG_SPL_LIBCOMMON_SUPPORT +#define CONFIG_SPL_LIBGENERIC_SUPPORT +#define CONFIG_SPL_SERIAL_SUPPORT +#define CONFIG_SPL_I2C_SUPPORT +#define CONFIG_SPL_LDSCRIPT "arch/arm/mvebu-common/u-boot-spl.lds" + +/* SPL related SPI defines */ +#define CONFIG_SPL_SPI_SUPPORT +#define CONFIG_SPL_SPI_FLASH_SUPPORT +#define CONFIG_SPL_SPI_LOAD +#define CONFIG_SPL_SPI_BUS 0 +#define CONFIG_SPL_SPI_CS 0 +#define CONFIG_SYS_SPI_U_BOOT_OFFS 0x20000 + +/* Enable DDR support in SPL (DDR3 training from Marvell bin_hdr) */ +#define CONFIG_SYS_MVEBU_DDR +#define CONFIG_SPD_EEPROM 0x4e + #endif /* _CONFIG_DB_MV7846MP_GP_H */ diff --git a/include/configs/maxbcm.h b/include/configs/maxbcm.h index 72217bd..5999d60 100644 --- a/include/configs/maxbcm.h +++ b/include/configs/maxbcm.h @@ -43,6 +43,8 @@ #define CONFIG_SF_DEFAULT_SPEED 1000000 #define CONFIG_SF_DEFAULT_MODE SPI_MODE_3 #define CONFIG_SPI_FLASH_STMICRO +#define CONFIG_SPI_FLASH_SPANSION +#define CONFIG_SPI_FLASH_BAR /* Environment in SPI NOR flash */ #define CONFIG_ENV_IS_IN_SPI_FLASH @@ -65,4 +67,51 @@ */ #include "mv-common.h" +/* + * Memory layout while starting into the bin_hdr via the + * BootROM: + * + * 0x4000.4000 - 0x4003.4000 headers space (192KiB) + * 0x4000.4030 bin_hdr start address + * 0x4003.4000 - 0x4004.7c00 BootROM memory allocations (15KiB) + * 0x4007.fffc BootROM stack top + * + * The address space between 0x4007.fffc and 0x400f.fff is not locked in + * L2 cache thus cannot be used. + */ + +/* SPL */ +/* Defines for SPL */ +#define CONFIG_SPL_FRAMEWORK +#define CONFIG_SPL_TEXT_BASE 0x40004030 +#define CONFIG_SPL_MAX_SIZE ((128 << 10) - 0x4030) + +#define CONFIG_SPL_BSS_START_ADDR (0x40000000 + (128 << 10)) +#define CONFIG_SPL_BSS_MAX_SIZE (16 << 10) + +#define CONFIG_SYS_SPL_MALLOC_START (CONFIG_SPL_BSS_START_ADDR + \ + CONFIG_SPL_BSS_MAX_SIZE) +#define CONFIG_SYS_SPL_MALLOC_SIZE (16 << 10) + +#define CONFIG_SPL_STACK (0x40000000 + ((192 - 16) << 10)) +#define CONFIG_SPL_BOOTROM_SAVE (CONFIG_SPL_STACK + 4) + +#define CONFIG_SPL_LIBCOMMON_SUPPORT +#define CONFIG_SPL_LIBGENERIC_SUPPORT +#define CONFIG_SPL_SERIAL_SUPPORT +#define CONFIG_SPL_I2C_SUPPORT +#define CONFIG_SPL_LDSCRIPT "arch/arm/mvebu-common/u-boot-spl.lds" + +/* SPL related SPI defines */ +#define CONFIG_SPL_SPI_SUPPORT +#define CONFIG_SPL_SPI_FLASH_SUPPORT +#define CONFIG_SPL_SPI_LOAD +#define CONFIG_SPL_SPI_BUS 0 +#define CONFIG_SPL_SPI_CS 0 +#define CONFIG_SYS_SPI_U_BOOT_OFFS 0x20000 + +/* Enable DDR support in SPL (DDR3 training from Marvell bin_hdr) */ +#define CONFIG_SYS_MVEBU_DDR +#define CONFIG_DDR_FIXED_SIZE (1 << 20) /* 1GiB */ + #endif /* _CONFIG_DB_MV7846MP_GP_H */ diff --git a/include/configs/sheevaplug.h b/include/configs/sheevaplug.h index 21c8bda..84029cb 100644 --- a/include/configs/sheevaplug.h +++ b/include/configs/sheevaplug.h @@ -33,6 +33,11 @@ #define CONFIG_LZO /* + * Enable device tree support + */ +#define CONFIG_OF_LIBFDT + +/* * Miscellaneous configurable options */ #define CONFIG_SYS_HUSH_PARSER /* use "hush" command parser */ @@ -51,6 +56,7 @@ #define CONFIG_CMD_NAND #define CONFIG_CMD_PING #define CONFIG_CMD_USB + /* * mv-common.h should be defined after CMD configs since it used them * to enable certain macros @@ -141,6 +147,5 @@ #define CONFIG_MTD_DEVICE /* needed for mtdparts commands */ #define CONFIG_MTD_PARTITIONS #define CONFIG_CMD_MTDPARTS -#define CONFIG_LZO #endif /* _CONFIG_SHEEVAPLUG_H */ diff --git a/scripts/Makefile.spl b/scripts/Makefile.spl index ecf3037..e4b9881 100644 --- a/scripts/Makefile.spl +++ b/scripts/Makefile.spl @@ -57,6 +57,7 @@ libs-$(CONFIG_SPL_I2C_SUPPORT) += drivers/i2c/ libs-$(CONFIG_SPL_GPIO_SUPPORT) += drivers/gpio/ libs-$(CONFIG_SPL_MMC_SUPPORT) += drivers/mmc/ libs-$(CONFIG_SPL_MPC8XXX_INIT_DDR_SUPPORT) += drivers/ddr/fsl/ +libs-$(CONFIG_SYS_MVEBU_DDR) += drivers/ddr/mvebu/ libs-$(CONFIG_SPL_SERIAL_SUPPORT) += drivers/serial/ libs-$(CONFIG_SPL_SPI_FLASH_SUPPORT) += drivers/mtd/spi/ libs-$(CONFIG_SPL_SPI_SUPPORT) += drivers/spi/ diff --git a/tools/kwbimage.c b/tools/kwbimage.c index 66f459a..28ce1e4 100644 --- a/tools/kwbimage.c +++ b/tools/kwbimage.c @@ -16,6 +16,7 @@ #include <image.h> #include <stdint.h> #include "kwbimage.h" +#include <config.h> #define ALIGN_SUP(x, a) (((x) + (a - 1)) & ~(a - 1)) @@ -868,6 +869,16 @@ static int kwbimage_generate(struct image_tool_params *params, sizeof(struct ext_hdr_v0); } else { alloc_len = image_headersz_v1(params, NULL); +#if defined(CONFIG_SYS_SPI_U_BOOT_OFFS) + if (alloc_len > CONFIG_SYS_SPI_U_BOOT_OFFS) { + fprintf(stderr, "Error: Image header (incl. SPL image) too big!\n"); + fprintf(stderr, "header=0x%x CONFIG_SYS_SPI_U_BOOT_OFFS=0x%x!\n", + alloc_len, CONFIG_SYS_SPI_U_BOOT_OFFS); + fprintf(stderr, "Increase CONFIG_SYS_SPI_U_BOOT_OFFS!\n"); + } else { + alloc_len = CONFIG_SYS_SPI_U_BOOT_OFFS; + } +#endif } hdr = malloc(alloc_len); |