diff options
Diffstat (limited to 'arch/arm/cpu')
32 files changed, 684 insertions, 125 deletions
diff --git a/arch/arm/cpu/armv7/Makefile b/arch/arm/cpu/armv7/Makefile index e419716..409e6f5 100644 --- a/arch/arm/cpu/armv7/Makefile +++ b/arch/arm/cpu/armv7/Makefile @@ -56,6 +56,7 @@ obj-$(CONFIG_OMAP54XX) += omap5/ obj-$(CONFIG_RMOBILE) += rmobile/ obj-$(CONFIG_ARCH_S5PC1XX) += s5pc1xx/ obj-$(CONFIG_SOCFPGA) += socfpga/ +obj-$(if $(filter stv0991,$(SOC)),y) += stv0991/ obj-$(CONFIG_ARCH_SUNXI) += sunxi/ obj-$(CONFIG_TEGRA20) += tegra20/ obj-$(CONFIG_U8500) += u8500/ diff --git a/arch/arm/cpu/armv7/ls102xa/Makefile b/arch/arm/cpu/armv7/ls102xa/Makefile index d82ce8d..2e6a207 100644 --- a/arch/arm/cpu/armv7/ls102xa/Makefile +++ b/arch/arm/cpu/armv7/ls102xa/Makefile @@ -7,6 +7,8 @@ obj-y += cpu.o obj-y += clock.o obj-y += timer.o +obj-y += fsl_epu.o obj-$(CONFIG_OF_LIBFDT) += fdt.o obj-$(CONFIG_SYS_HAS_SERDES) += fsl_ls1_serdes.o ls102xa_serdes.o +obj-$(CONFIG_SPL) += spl.o diff --git a/arch/arm/cpu/armv7/ls102xa/cpu.c b/arch/arm/cpu/armv7/ls102xa/cpu.c index b7dde45..ce2d92f 100644 --- a/arch/arm/cpu/armv7/ls102xa/cpu.c +++ b/arch/arm/cpu/armv7/ls102xa/cpu.c @@ -12,6 +12,8 @@ #include <netdev.h> #include <fsl_esdhc.h> +#include "fsl_epu.h" + DECLARE_GLOBAL_DATA_PTR; #if defined(CONFIG_DISPLAY_CPUINFO) @@ -101,3 +103,35 @@ int cpu_eth_init(bd_t *bis) return 0; } + +int arch_cpu_init(void) +{ + void *epu_base = (void *)(CONFIG_SYS_DCSRBAR + EPU_BLOCK_OFFSET); + + /* + * After wakeup from deep sleep, Clear EPU registers + * as early as possible to prevent from possible issue. + * It's also safe to clear at normal boot. + */ + fsl_epu_clean(epu_base); + + return 0; +} + +#if defined(CONFIG_ARMV7_NONSEC) || defined(CONFIG_ARMV7_VIRT) +/* Set the address at which the secondary core starts from.*/ +void smp_set_core_boot_addr(unsigned long addr, int corenr) +{ + struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR); + + out_be32(&gur->scratchrw[0], addr); +} + +/* Release the secondary core from holdoff state and kick it */ +void smp_kick_all_cpus(void) +{ + struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR); + + out_be32(&gur->brrl, 0x2); +} +#endif diff --git a/arch/arm/cpu/armv7/ls102xa/fdt.c b/arch/arm/cpu/armv7/ls102xa/fdt.c index 4ce3808..989780d 100644 --- a/arch/arm/cpu/armv7/ls102xa/fdt.c +++ b/arch/arm/cpu/armv7/ls102xa/fdt.c @@ -91,7 +91,7 @@ void ft_cpu_setup(void *blob, bd_t *bd) } do_fixup_by_prop_u32(blob, "device_type", "soc", - 4, "bus-frequency", busclk / 2, 1); + 4, "bus-frequency", busclk, 1); ft_fixup_enet_phy_connect_type(blob); diff --git a/arch/arm/cpu/armv7/ls102xa/fsl_epu.c b/arch/arm/cpu/armv7/ls102xa/fsl_epu.c new file mode 100644 index 0000000..6212640 --- /dev/null +++ b/arch/arm/cpu/armv7/ls102xa/fsl_epu.c @@ -0,0 +1,57 @@ +/* + * Copyright 2014 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/io.h> + +#include "fsl_epu.h" + +/** + * fsl_epu_clean - Clear EPU registers + */ +void fsl_epu_clean(void *epu_base) +{ + u32 offset; + + /* follow the exact sequence to clear the registers */ + /* Clear EPACRn */ + for (offset = EPACR0; offset <= EPACR15; offset += EPACR_STRIDE) + out_be32(epu_base + offset, 0); + + /* Clear EPEVTCRn */ + for (offset = EPEVTCR0; offset <= EPEVTCR9; offset += EPEVTCR_STRIDE) + out_be32(epu_base + offset, 0); + + /* Clear EPGCR */ + out_be32(epu_base + EPGCR, 0); + + /* Clear EPSMCRn */ + for (offset = EPSMCR0; offset <= EPSMCR15; offset += EPSMCR_STRIDE) + out_be32(epu_base + offset, 0); + + /* Clear EPCCRn */ + for (offset = EPCCR0; offset <= EPCCR31; offset += EPCCR_STRIDE) + out_be32(epu_base + offset, 0); + + /* Clear EPCMPRn */ + for (offset = EPCMPR0; offset <= EPCMPR31; offset += EPCMPR_STRIDE) + out_be32(epu_base + offset, 0); + + /* Clear EPCTRn */ + for (offset = EPCTR0; offset <= EPCTR31; offset += EPCTR_STRIDE) + out_be32(epu_base + offset, 0); + + /* Clear EPIMCRn */ + for (offset = EPIMCR0; offset <= EPIMCR31; offset += EPIMCR_STRIDE) + out_be32(epu_base + offset, 0); + + /* Clear EPXTRIGCRn */ + out_be32(epu_base + EPXTRIGCR, 0); + + /* Clear EPECRn */ + for (offset = EPECR0; offset <= EPECR15; offset += EPECR_STRIDE) + out_be32(epu_base + offset, 0); +} diff --git a/arch/arm/cpu/armv7/ls102xa/fsl_epu.h b/arch/arm/cpu/armv7/ls102xa/fsl_epu.h new file mode 100644 index 0000000..d658aad --- /dev/null +++ b/arch/arm/cpu/armv7/ls102xa/fsl_epu.h @@ -0,0 +1,68 @@ +/* + * Copyright 2014 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __FSL_EPU_H +#define __FSL_EPU_H + +#include <asm/types.h> + +#define FSL_STRIDE_4B 4 +#define FSL_STRIDE_8B 8 + +/* Block offsets */ +#define EPU_BLOCK_OFFSET 0x00000000 + +/* EPGCR (Event Processor Global Control Register) */ +#define EPGCR 0x000 + +/* EPEVTCR0-9 (Event Processor EVT Pin Control Registers) */ +#define EPEVTCR0 0x050 +#define EPEVTCR9 0x074 +#define EPEVTCR_STRIDE FSL_STRIDE_4B + +/* EPXTRIGCR (Event Processor Crosstrigger Control Register) */ +#define EPXTRIGCR 0x090 + +/* EPIMCR0-31 (Event Processor Input Mux Control Registers) */ +#define EPIMCR0 0x100 +#define EPIMCR31 0x17C +#define EPIMCR_STRIDE FSL_STRIDE_4B + +/* EPSMCR0-15 (Event Processor SCU Mux Control Registers) */ +#define EPSMCR0 0x200 +#define EPSMCR15 0x278 +#define EPSMCR_STRIDE FSL_STRIDE_8B + +/* EPECR0-15 (Event Processor Event Control Registers) */ +#define EPECR0 0x300 +#define EPECR15 0x33C +#define EPECR_STRIDE FSL_STRIDE_4B + +/* EPACR0-15 (Event Processor Action Control Registers) */ +#define EPACR0 0x400 +#define EPACR15 0x43C +#define EPACR_STRIDE FSL_STRIDE_4B + +/* EPCCRi0-15 (Event Processor Counter Control Registers) */ +#define EPCCR0 0x800 +#define EPCCR15 0x83C +#define EPCCR31 0x87C +#define EPCCR_STRIDE FSL_STRIDE_4B + +/* EPCMPR0-15 (Event Processor Counter Compare Registers) */ +#define EPCMPR0 0x900 +#define EPCMPR15 0x93C +#define EPCMPR31 0x97C +#define EPCMPR_STRIDE FSL_STRIDE_4B + +/* EPCTR0-31 (Event Processor Counter Register) */ +#define EPCTR0 0xA00 +#define EPCTR31 0xA7C +#define EPCTR_STRIDE FSL_STRIDE_4B + +void fsl_epu_clean(void *epu_base); + +#endif diff --git a/arch/arm/cpu/armv7/ls102xa/spl.c b/arch/arm/cpu/armv7/ls102xa/spl.c new file mode 100644 index 0000000..1dfbf54 --- /dev/null +++ b/arch/arm/cpu/armv7/ls102xa/spl.c @@ -0,0 +1,33 @@ +/* + * Copyright 2014 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <spl.h> + +u32 spl_boot_device(void) +{ +#ifdef CONFIG_SPL_MMC_SUPPORT + return BOOT_DEVICE_MMC1; +#endif + return BOOT_DEVICE_NAND; +} + +u32 spl_boot_mode(void) +{ + switch (spl_boot_device()) { + case BOOT_DEVICE_MMC1: +#ifdef CONFIG_SPL_FAT_SUPPORT + return MMCSD_MODE_FAT; +#else + return MMCSD_MODE_RAW; +#endif + case BOOT_DEVICE_NAND: + return 0; + default: + puts("spl: error: unsupported device\n"); + hang(); + } +} diff --git a/arch/arm/cpu/armv7/mx6/clock.c b/arch/arm/cpu/armv7/mx6/clock.c index ab7ac3d..93a02ad 100644 --- a/arch/arm/cpu/armv7/mx6/clock.c +++ b/arch/arm/cpu/armv7/mx6/clock.c @@ -443,7 +443,7 @@ int enable_fec_anatop_clock(enum enet_freq freq) struct anatop_regs __iomem *anatop = (struct anatop_regs __iomem *)ANATOP_BASE_ADDR; - if (freq < ENET_25MHz || freq > ENET_125MHz) + if (freq < ENET_25MHZ || freq > ENET_125MHZ) return -EINVAL; reg = readl(&anatop->pll_enet); diff --git a/arch/arm/cpu/armv7/nonsec_virt.S b/arch/arm/cpu/armv7/nonsec_virt.S index 745670e..30d81db 100644 --- a/arch/arm/cpu/armv7/nonsec_virt.S +++ b/arch/arm/cpu/armv7/nonsec_virt.S @@ -169,11 +169,11 @@ ENTRY(_nonsec_init) * we do this here instead. * But first check if we have the generic timer. */ -#ifdef CONFIG_SYS_CLK_FREQ +#ifdef CONFIG_TIMER_CLK_FREQ mrc p15, 0, r0, c0, c1, 1 @ read ID_PFR1 and r0, r0, #CPUID_ARM_GENTIMER_MASK @ mask arch timer bits cmp r0, #(1 << CPUID_ARM_GENTIMER_SHIFT) - ldreq r1, =CONFIG_SYS_CLK_FREQ + ldreq r1, =CONFIG_TIMER_CLK_FREQ mcreq p15, 0, r1, c14, c0, 0 @ write CNTFRQ #endif @@ -191,6 +191,9 @@ ENTRY(smp_waitloop) wfi ldr r1, =CONFIG_SMP_PEN_ADDR @ load start address ldr r1, [r1] +#ifdef CONFIG_PEN_ADDR_BIG_ENDIAN + rev r1, r1 +#endif cmp r0, r1 @ make sure we dont execute this code beq smp_waitloop @ again (due to a spurious wakeup) mov r0, r1 diff --git a/arch/arm/cpu/armv7/omap-common/boot-common.c b/arch/arm/cpu/armv7/omap-common/boot-common.c index fb535eb..cb18908 100644 --- a/arch/arm/cpu/armv7/omap-common/boot-common.c +++ b/arch/arm/cpu/armv7/omap-common/boot-common.c @@ -33,8 +33,19 @@ void save_omap_boot_params(void) * used. But it not correct to assume that romcode structure * encoding would be same as u-boot. So use the defined offsets. */ - gd->arch.omap_boot_params.omap_bootdevice = boot_device = - *((u8 *)(rom_params + BOOT_DEVICE_OFFSET)); + boot_device = *((u8 *)(rom_params + BOOT_DEVICE_OFFSET)); + +#if defined(BOOT_DEVICE_NAND_I2C) + /* + * Re-map NAND&I2C boot-device to the "normal" NAND boot-device. + * Otherwise the SPL boot IF can't handle this device correctly. + * Somehow booting with Hynix 4GBit NAND H27U4G8 on Siemens + * Draco leads to this boot-device passed to SPL from the BootROM. + */ + if (boot_device == BOOT_DEVICE_NAND_I2C) + boot_device = BOOT_DEVICE_NAND; +#endif + gd->arch.omap_boot_params.omap_bootdevice = boot_device; gd->arch.omap_boot_params.ch_flags = *((u8 *)(rom_params + CH_FLAGS_OFFSET)); @@ -57,7 +68,7 @@ void save_omap_boot_params(void) } } -#ifdef CONFIG_DRA7XX +#if defined(CONFIG_DRA7XX) || defined(CONFIG_AM57XX) /* * We get different values for QSPI_1 and QSPI_4 being used, but * don't actually care about this difference. Rather than diff --git a/arch/arm/cpu/armv7/omap-common/emif-common.c b/arch/arm/cpu/armv7/omap-common/emif-common.c index c8e9bc8..e601ba1 100644 --- a/arch/arm/cpu/armv7/omap-common/emif-common.c +++ b/arch/arm/cpu/armv7/omap-common/emif-common.c @@ -1226,13 +1226,14 @@ void dmm_init(u32 base) emif1_enabled = 1; emif2_enabled = 1; break; - } else if (valid == 1) { + } + + if (valid == 1) emif1_enabled = 1; - } else if (valid == 2) { + + if (valid == 2) emif2_enabled = 1; - } } - } static void do_bug0039_workaround(u32 base) diff --git a/arch/arm/cpu/armv7/omap5/Kconfig b/arch/arm/cpu/armv7/omap5/Kconfig index 129982c..aca862d 100644 --- a/arch/arm/cpu/armv7/omap5/Kconfig +++ b/arch/arm/cpu/armv7/omap5/Kconfig @@ -12,6 +12,9 @@ config TARGET_OMAP5_UEVM config TARGET_DRA7XX_EVM bool "TI DRA7XX" +config TARGET_BEAGLE_X15 + bool "BeagleBoard X15" + endchoice config SYS_SOC @@ -20,5 +23,6 @@ config SYS_SOC source "board/compulab/cm_t54/Kconfig" source "board/ti/omap5_uevm/Kconfig" source "board/ti/dra7xx/Kconfig" +source "board/ti/beagle_x15/Kconfig" endif diff --git a/arch/arm/cpu/armv7/omap5/hw_data.c b/arch/arm/cpu/armv7/omap5/hw_data.c index 0257383..95f1686 100644 --- a/arch/arm/cpu/armv7/omap5/hw_data.c +++ b/arch/arm/cpu/armv7/omap5/hw_data.c @@ -365,31 +365,31 @@ struct vcores_data dra752_volts = { .mpu.value = VDD_MPU_DRA752, .mpu.efuse.reg = STD_FUSE_OPP_VMIN_MPU_NOM, .mpu.efuse.reg_bits = DRA752_EFUSE_REGBITS, - .mpu.addr = TPS659038_REG_ADDR_SMPS12_MPU, + .mpu.addr = TPS659038_REG_ADDR_SMPS12, .mpu.pmic = &tps659038, .eve.value = VDD_EVE_DRA752, .eve.efuse.reg = STD_FUSE_OPP_VMIN_DSPEVE_NOM, .eve.efuse.reg_bits = DRA752_EFUSE_REGBITS, - .eve.addr = TPS659038_REG_ADDR_SMPS45_EVE, + .eve.addr = TPS659038_REG_ADDR_SMPS45, .eve.pmic = &tps659038, .gpu.value = VDD_GPU_DRA752, .gpu.efuse.reg = STD_FUSE_OPP_VMIN_GPU_NOM, .gpu.efuse.reg_bits = DRA752_EFUSE_REGBITS, - .gpu.addr = TPS659038_REG_ADDR_SMPS6_GPU, + .gpu.addr = TPS659038_REG_ADDR_SMPS6, .gpu.pmic = &tps659038, .core.value = VDD_CORE_DRA752, .core.efuse.reg = STD_FUSE_OPP_VMIN_CORE_NOM, .core.efuse.reg_bits = DRA752_EFUSE_REGBITS, - .core.addr = TPS659038_REG_ADDR_SMPS7_CORE, + .core.addr = TPS659038_REG_ADDR_SMPS7, .core.pmic = &tps659038, .iva.value = VDD_IVA_DRA752, .iva.efuse.reg = STD_FUSE_OPP_VMIN_IVA_NOM, .iva.efuse.reg_bits = DRA752_EFUSE_REGBITS, - .iva.addr = TPS659038_REG_ADDR_SMPS8_IVA, + .iva.addr = TPS659038_REG_ADDR_SMPS8, .iva.pmic = &tps659038, }; @@ -593,7 +593,7 @@ const struct ctrl_ioregs ioregs_dra72x_es1 = { .ctrl_ddr_ctrl_ext_0 = 0xA2000000, }; -void hw_data_init(void) +void __weak hw_data_init(void) { u32 omap_rev = omap_revision(); diff --git a/arch/arm/cpu/armv7/omap5/prcm-regs.c b/arch/arm/cpu/armv7/omap5/prcm-regs.c index ff08ef4..0745d42 100644 --- a/arch/arm/cpu/armv7/omap5/prcm-regs.c +++ b/arch/arm/cpu/armv7/omap5/prcm-regs.c @@ -376,6 +376,7 @@ struct omap_sys_ctrl_regs const omap5_ctrl = { struct omap_sys_ctrl_regs const dra7xx_ctrl = { .control_status = 0x4A002134, + .control_phy_power_usb = 0x4A002370, .control_phy_power_sata = 0x4A002374, .control_core_mac_id_0_lo = 0x4A002514, .control_core_mac_id_0_hi = 0x4A002518, @@ -800,6 +801,7 @@ struct prcm_regs const dra7xx_prcm = { .cm_clkmode_dpll_dsp = 0x4a005234, .cm_shadow_freq_config1 = 0x4a005260, .cm_clkmode_dpll_gmac = 0x4a0052a8, + .cm_coreaon_usb_phy_core_clkctrl = 0x4a008640, .cm_coreaon_usb_phy2_core_clkctrl = 0x4a008688, /* cm1.mpu */ @@ -906,6 +908,7 @@ struct prcm_regs const dra7xx_prcm = { .cm_gmac_gmac_clkctrl = 0x4a0093d0, .cm_l3init_ocp2scp1_clkctrl = 0x4a0093e0, .cm_l3init_ocp2scp3_clkctrl = 0x4a0093e8, + .cm_l3init_usb_otg_ss_clkctrl = 0x4a0093f0, /* cm2.l4per */ .cm_l4per_clkstctrl = 0x4a009700, diff --git a/arch/arm/cpu/armv7/omap5/sdram.c b/arch/arm/cpu/armv7/omap5/sdram.c index 065199b..7d8cec0 100644 --- a/arch/arm/cpu/armv7/omap5/sdram.c +++ b/arch/arm/cpu/armv7/omap5/sdram.c @@ -513,7 +513,7 @@ const struct lpddr2_mr_regs mr_regs = { .mr16 = MR16_REF_FULL_ARRAY }; -static void emif_get_ext_phy_ctrl_const_regs(u32 emif_nr, +void __weak emif_get_ext_phy_ctrl_const_regs(u32 emif_nr, const u32 **regs, u32 *size) { diff --git a/arch/arm/cpu/armv7/stv0991/Makefile b/arch/arm/cpu/armv7/stv0991/Makefile new file mode 100644 index 0000000..95641d3 --- /dev/null +++ b/arch/arm/cpu/armv7/stv0991/Makefile @@ -0,0 +1,9 @@ +# +# (C) Copyright 2014 +# Vikas Manocha, ST Microelectronics, vikas.manocha@stcom +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y := timer.o clock.o pinmux.o reset.o +obj-y += lowlevel.o diff --git a/arch/arm/cpu/armv7/stv0991/clock.c b/arch/arm/cpu/armv7/stv0991/clock.c new file mode 100644 index 0000000..70b8a8d --- /dev/null +++ b/arch/arm/cpu/armv7/stv0991/clock.c @@ -0,0 +1,41 @@ +/* + * (C) Copyright 2014 + * Vikas Manocha, ST Micoelectronics, vikas.manocha@st.com. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <asm/io.h> +#include <asm/arch/hardware.h> +#include <asm/arch/stv0991_cgu.h> +#include<asm/arch/stv0991_periph.h> + +static struct stv0991_cgu_regs *const stv0991_cgu_regs = \ + (struct stv0991_cgu_regs *) (CGU_BASE_ADDR); + +void enable_pll1(void) +{ + /* pll1 already configured for 1000Mhz, just need to enable it */ + writel(readl(&stv0991_cgu_regs->pll1_ctrl) & ~(0x01), + &stv0991_cgu_regs->pll1_ctrl); +} + +void clock_setup(int peripheral) +{ + switch (peripheral) { + case UART_CLOCK_CFG: + writel(UART_CLK_CFG, &stv0991_cgu_regs->uart_freq); + break; + case ETH_CLOCK_CFG: + enable_pll1(); + writel(ETH_CLK_CFG, &stv0991_cgu_regs->eth_freq); + + /* Clock selection for ethernet tx_clk & rx_clk*/ + writel((readl(&stv0991_cgu_regs->eth_ctrl) & ETH_CLK_MASK) + | ETH_CLK_CTRL, &stv0991_cgu_regs->eth_ctrl); + + break; + default: + break; + } +} diff --git a/arch/arm/cpu/armv7/stv0991/lowlevel.S b/arch/arm/cpu/armv7/stv0991/lowlevel.S new file mode 100644 index 0000000..6dafba3 --- /dev/null +++ b/arch/arm/cpu/armv7/stv0991/lowlevel.S @@ -0,0 +1,12 @@ +/* + * (C) Copyright 2014 stmicroelectronics + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <config.h> +#include <linux/linkage.h> + +ENTRY(lowlevel_init) + mov pc, lr +ENDPROC(lowlevel_init) diff --git a/arch/arm/cpu/armv7/stv0991/pinmux.c b/arch/arm/cpu/armv7/stv0991/pinmux.c new file mode 100644 index 0000000..1d086a2 --- /dev/null +++ b/arch/arm/cpu/armv7/stv0991/pinmux.c @@ -0,0 +1,62 @@ +/* + * (C) Copyright 2014 + * Vikas Manocha, ST Micoelectronics, vikas.manocha@st.com. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <asm/io.h> +#include <asm/arch/stv0991_creg.h> +#include <asm/arch/stv0991_periph.h> +#include <asm/arch/hardware.h> + +static struct stv0991_creg *const stv0991_creg = \ + (struct stv0991_creg *)CREG_BASE_ADDR; + +int stv0991_pinmux_config(int peripheral) +{ + switch (peripheral) { + case UART_GPIOC_30_31: + /* SSDA/SSCL pad muxing to UART Rx/Dx */ + writel((readl(&stv0991_creg->mux12) & GPIOC_31_MUX_MASK) | + CFG_GPIOC_31_UART_RX, + &stv0991_creg->mux12); + writel((readl(&stv0991_creg->mux12) & GPIOC_30_MUX_MASK) | + CFG_GPIOC_30_UART_TX, + &stv0991_creg->mux12); + /* SSDA/SSCL pad config to push pull*/ + writel((readl(&stv0991_creg->cfg_pad6) & GPIOC_31_MODE_MASK) | + CFG_GPIOC_31_MODE_PP, + &stv0991_creg->cfg_pad6); + writel((readl(&stv0991_creg->cfg_pad6) & GPIOC_30_MODE_MASK) | + CFG_GPIOC_30_MODE_HIGH, + &stv0991_creg->cfg_pad6); + break; + case UART_GPIOB_16_17: + /* ethernet rx_6/7 to UART Rx/Dx */ + writel((readl(&stv0991_creg->mux7) & GPIOB_17_MUX_MASK) | + CFG_GPIOB_17_UART_RX, + &stv0991_creg->mux7); + writel((readl(&stv0991_creg->mux7) & GPIOB_16_MUX_MASK) | + CFG_GPIOB_16_UART_TX, + &stv0991_creg->mux7); + break; + case ETH_GPIOB_10_31_C_0_4: + writel(readl(&stv0991_creg->mux6) & 0x000000FF, + &stv0991_creg->mux6); + writel(0x00000000, &stv0991_creg->mux7); + writel(0x00000000, &stv0991_creg->mux8); + writel(readl(&stv0991_creg->mux9) & 0xFFF00000, + &stv0991_creg->mux9); + /* Ethernet Voltage configuration to 1.8V*/ + writel((readl(&stv0991_creg->vdd_pad1) & VDD_ETH_PS_MASK) | + ETH_VDD_CFG, &stv0991_creg->vdd_pad1); + writel((readl(&stv0991_creg->vdd_pad1) & VDD_ETH_PS_MASK) | + ETH_M_VDD_CFG, &stv0991_creg->vdd_pad1); + + break; + default: + break; + } + return 0; +} diff --git a/arch/arm/cpu/armv7/stv0991/reset.c b/arch/arm/cpu/armv7/stv0991/reset.c new file mode 100644 index 0000000..3384b32 --- /dev/null +++ b/arch/arm/cpu/armv7/stv0991/reset.c @@ -0,0 +1,26 @@ +/* + * (C) Copyright 2014 + * Vikas Manocha, ST Micoelectronics, vikas.manocha@st.com. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch/stv0991_wdru.h> +void reset_cpu(ulong ignored) +{ + puts("System is going to reboot ...\n"); + /* + * This 1 second delay will allow the above message + * to be printed before reset + */ + udelay((1000 * 1000)); + + /* Setting bit 1 of the WDRU unit will reset the SoC */ + writel(WDRU_RST_SYS, &stv0991_wd_ru_ptr->wdru_ctrl1); + + /* system will restart */ + while (1) + ; +} diff --git a/arch/arm/cpu/armv7/stv0991/timer.c b/arch/arm/cpu/armv7/stv0991/timer.c new file mode 100644 index 0000000..8654b8b --- /dev/null +++ b/arch/arm/cpu/armv7/stv0991/timer.c @@ -0,0 +1,114 @@ +/* + * (C) Copyright 2014 + * Vikas Manocha, ST Micoelectronics, vikas.manocha@st.com. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch-stv0991/hardware.h> +#include <asm/arch-stv0991/stv0991_cgu.h> +#include <asm/arch-stv0991/stv0991_gpt.h> + +static struct stv0991_cgu_regs *const stv0991_cgu_regs = \ + (struct stv0991_cgu_regs *) (CGU_BASE_ADDR); + +#define READ_TIMER() (readl(&gpt1_regs_ptr->cnt) & GPT_FREE_RUNNING) +#define GPT_RESOLUTION (CONFIG_STV0991_HZ_CLOCK / CONFIG_STV0991_HZ) + +DECLARE_GLOBAL_DATA_PTR; + +#define timestamp gd->arch.tbl +#define lastdec gd->arch.lastinc + +int timer_init(void) +{ + /* Timer1 clock configuration */ + writel(TIMER1_CLK_CFG, &stv0991_cgu_regs->tim_freq); + writel(readl(&stv0991_cgu_regs->cgu_enable_2) | + TIMER1_CLK_EN, &stv0991_cgu_regs->cgu_enable_2); + + /* Stop the timer */ + writel(readl(&gpt1_regs_ptr->cr1) & ~GPT_CR1_CEN, &gpt1_regs_ptr->cr1); + writel(GPT_PRESCALER_128, &gpt1_regs_ptr->psc); + /* Configure timer for auto-reload */ + writel(readl(&gpt1_regs_ptr->cr1) | GPT_MODE_AUTO_RELOAD, + &gpt1_regs_ptr->cr1); + + /* load value for free running */ + writel(GPT_FREE_RUNNING, &gpt1_regs_ptr->arr); + + /* start timer */ + writel(readl(&gpt1_regs_ptr->cr1) | GPT_CR1_CEN, + &gpt1_regs_ptr->cr1); + + /* Reset the timer */ + lastdec = READ_TIMER(); + timestamp = 0; + + return 0; +} + +/* + * timer without interrupts + */ +ulong get_timer(ulong base) +{ + return (get_timer_masked() / GPT_RESOLUTION) - base; +} + +void __udelay(unsigned long usec) +{ + ulong tmo; + ulong start = get_timer_masked(); + ulong tenudelcnt = CONFIG_STV0991_HZ_CLOCK / (1000 * 100); + ulong rndoff; + + rndoff = (usec % 10) ? 1 : 0; + + /* tenudelcnt timer tick gives 10 microsecconds delay */ + tmo = ((usec / 10) + rndoff) * tenudelcnt; + + while ((ulong) (get_timer_masked() - start) < tmo) + ; +} + +ulong get_timer_masked(void) +{ + ulong now = READ_TIMER(); + + if (now >= lastdec) { + /* normal mode */ + timestamp += now - lastdec; + } else { + /* we have an overflow ... */ + timestamp += now + GPT_FREE_RUNNING - lastdec; + } + lastdec = now; + + return timestamp; +} + +void udelay_masked(unsigned long usec) +{ + return udelay(usec); +} + +/* + * This function is derived from PowerPC code (read timebase as long long). + * On ARM it just returns the timer value. + */ +unsigned long long get_ticks(void) +{ + return get_timer(0); +} + +/* + * This function is derived from PowerPC code (timebase clock frequency). + * On ARM it returns the number of timer ticks per second. + */ +ulong get_tbclk(void) +{ + return CONFIG_STV0991_HZ; +} diff --git a/arch/arm/cpu/armv7/tegra124/Kconfig b/arch/arm/cpu/armv7/tegra124/Kconfig index 6a1c83a..88f627c 100644 --- a/arch/arm/cpu/armv7/tegra124/Kconfig +++ b/arch/arm/cpu/armv7/tegra124/Kconfig @@ -6,6 +6,15 @@ choice config TARGET_JETSON_TK1 bool "NVIDIA Tegra124 Jetson TK1 board" +config TARGET_NYAN_BIG + bool "Google/NVIDIA Nyan-big Chrombook" + help + Nyan Big is a Tegra124 clamshell board that is very similar + to venice2, but it has a different panel, the sdcard CD and WP + sense are flipped, and it has a different revision of the AS3722 + PMIC. The retail name is the Acer Chromebook 13 CB5-311-T7NN + (13.3-inch HD, NVIDIA Tegra K1, 2GB). + config TARGET_VENICE2 bool "NVIDIA Tegra124 Venice2" @@ -15,6 +24,7 @@ config SYS_SOC default "tegra124" source "board/nvidia/jetson-tk1/Kconfig" +source "board/nvidia/nyan-big/Kconfig" source "board/nvidia/venice2/Kconfig" endif diff --git a/arch/arm/cpu/armv7/uniphier/Kconfig b/arch/arm/cpu/armv7/uniphier/Kconfig index 36b7f11..9760299 100644 --- a/arch/arm/cpu/armv7/uniphier/Kconfig +++ b/arch/arm/cpu/armv7/uniphier/Kconfig @@ -5,15 +5,17 @@ config SYS_SOC default "uniphier" config SYS_CONFIG_NAME - default "ph1_pro4" if MACH_PH1_PRO4 - default "ph1_ld4" if MACH_PH1_LD4 - default "ph1_sld8" if MACH_PH1_SLD8 + default "uniphier" + +config UNIPHIER_SMP + bool choice prompt "UniPhier SoC select" config MACH_PH1_PRO4 bool "PH1-Pro4" + select UNIPHIER_SMP config MACH_PH1_LD4 bool "PH1-LD4" @@ -23,6 +25,29 @@ config MACH_PH1_SLD8 endchoice +choice + prompt "UniPhier Support Card select" + optional + +config PFC_MICRO_SUPPORT_CARD + bool "Support card with PFC CPLD" + help + This option provides support for the expansion board with PFC + original address mapping. + + Say Y to use the on-board UART, Ether, LED devices. + +config DCC_MICRO_SUPPORT_CARD + bool "Support card with DCC CPLD" + help + This option provides support for the expansion board with DCC- + arranged address mapping that is compatible with legacy UniPhier + reference boards. + + Say Y to use the on-board UART, Ether, LED devices. + +endchoice + config CMD_PINMON bool "Enable boot mode pins monitor command" depends on !SPL_BUILD diff --git a/arch/arm/cpu/armv7/uniphier/Makefile b/arch/arm/cpu/armv7/uniphier/Makefile index 0f64d25..4a7b8a9 100644 --- a/arch/arm/cpu/armv7/uniphier/Makefile +++ b/arch/arm/cpu/armv7/uniphier/Makefile @@ -11,6 +11,7 @@ obj-y += cache_uniphier.o obj-$(CONFIG_BOARD_POSTCLK_INIT) += board_postclk_init.o obj-y += dram_init.o obj-$(CONFIG_DISPLAY_CPUINFO) += cpu_info.o +obj-$(CONFIG_BOARD_EARLY_INIT_R) += board_early_init_r.o obj-$(CONFIG_BOARD_LATE_INIT) += board_late_init.o obj-$(CONFIG_UNIPHIER_SMP) += smp.o obj-$(CONFIG_CMD_PINMON) += cmd_pinmon.o diff --git a/arch/arm/cpu/armv7/uniphier/board_early_init_r.c b/arch/arm/cpu/armv7/uniphier/board_early_init_r.c new file mode 100644 index 0000000..cb7e04f --- /dev/null +++ b/arch/arm/cpu/armv7/uniphier/board_early_init_r.c @@ -0,0 +1,15 @@ +/* + * Copyright (C) 2014 Panasonic Corporation + * Author: Masahiro Yamada <yamada.m@jp.panasonic.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/arch/board.h> + +int board_early_init_r(void) +{ + uniphier_board_late_init(); + return 0; +} diff --git a/arch/arm/cpu/armv7/uniphier/board_late_init.c b/arch/arm/cpu/armv7/uniphier/board_late_init.c index 3730020..0622a1e 100644 --- a/arch/arm/cpu/armv7/uniphier/board_late_init.c +++ b/arch/arm/cpu/armv7/uniphier/board_late_init.c @@ -26,42 +26,6 @@ static void nand_denali_wp_disable(void) #endif } -static void nand_denali_fixup(void) -{ -#if defined(CONFIG_NAND_DENALI) && \ - (defined(CONFIG_MACH_PH1_SLD8) || defined(CONFIG_MACH_PH1_PRO4)) - /* - * The Denali NAND controller on some of UniPhier SoCs does not - * automatically query the device parameters. For those SoCs, - * some registers must be set after the device is probed. - */ - void __iomem *denali_reg = (void __iomem *)CONFIG_SYS_NAND_REGS_BASE; - struct mtd_info *mtd; - struct nand_chip *chip; - - if (nand_curr_device < 0 || - nand_curr_device >= CONFIG_SYS_MAX_NAND_DEVICE) { - /* NAND was not detected. Just return. */ - return; - } - - mtd = &nand_info[nand_curr_device]; - chip = mtd->priv; - - writel(mtd->erasesize / mtd->writesize, denali_reg + PAGES_PER_BLOCK); - writel(0, denali_reg + DEVICE_WIDTH); - writel(mtd->writesize, denali_reg + DEVICE_MAIN_AREA_SIZE); - writel(mtd->oobsize, denali_reg + DEVICE_SPARE_AREA_SIZE); - writel(1, denali_reg + DEVICES_CONNECTED); - - /* - * chip->scan_bbt in nand_scan_tail() has been skipped. - * It should be done in here. - */ - chip->scan_bbt(mtd); -#endif -} - int board_late_init(void) { puts("MODE: "); @@ -70,7 +34,6 @@ int board_late_init(void) case BOOT_DEVICE_MMC1: printf("eMMC Boot\n"); setenv("bootmode", "emmcboot"); - nand_denali_fixup(); break; case BOOT_DEVICE_NAND: printf("NAND Boot\n"); @@ -80,7 +43,6 @@ int board_late_init(void) case BOOT_DEVICE_NOR: printf("NOR Boot\n"); setenv("bootmode", "norboot"); - nand_denali_fixup(); break; default: printf("Unsupported Boot Mode\n"); diff --git a/arch/arm/cpu/armv7/uniphier/init_page_table.c b/arch/arm/cpu/armv7/uniphier/init_page_table.c index d273835..a0d10a9 100644 --- a/arch/arm/cpu/armv7/uniphier/init_page_table.c +++ b/arch/arm/cpu/armv7/uniphier/init_page_table.c @@ -28,7 +28,12 @@ #define IS_SSC(x) ((IS_SPL_TEXT_AREA(x)) || \ (IS_INIT_STACK_AREA(x))) #define IS_EXT(x) ((x) < 0x100) -#define IS_REG(x) (0x500 <= (x) && (x) < 0x700) + +/* 0x20000000-0x2fffffff, 0xf0000000-0xffffffff are only used by PH1-sLD3 */ +#define IS_REG(x) (0x200 <= (x) && (x) < 0x300) || \ + (0x500 <= (x) && (x) < 0x700) || \ + (0xf00 <= (x)) + #define IS_DDR(x) (0x800 <= (x) && (x) < 0xf00) #define MMU_FLAGS(x) (IS_SSC(x)) ? SSC : \ diff --git a/arch/arm/cpu/armv7/uniphier/ph1-pro4/sbc_init.c b/arch/arm/cpu/armv7/uniphier/ph1-pro4/sbc_init.c index f113db5..3c82a1a 100644 --- a/arch/arm/cpu/armv7/uniphier/ph1-pro4/sbc_init.c +++ b/arch/arm/cpu/armv7/uniphier/ph1-pro4/sbc_init.c @@ -22,16 +22,7 @@ void sbc_init(void) writel(SBCTRL2_SAVEPIN_PERI_VALUE, SBCTRL12); writel(SBCTRL4_SAVEPIN_PERI_VALUE, SBCTRL14); - if (readl(SBBASE0) & 0x1) { - /* - * Boot Swap Off: boot from mask ROM - * 0x00000000-0x01ffffff: mask ROM - * 0x02000000-0x3effffff: memory bank (31MB) - * 0x03f00000-0x3fffffff: peripherals (1MB) - */ - writel(0x0000be01, SBBASE0); /* dummy */ - writel(0x0200be01, SBBASE1); - } else { + if (boot_is_swapped()) { /* * Boot Swap On: boot from external NOR/SRAM * 0x02000000-0x03ffffff is a mirror of 0x00000000-0x01ffffff. @@ -40,6 +31,15 @@ void sbc_init(void) * 0x01f00000-0x01ffffff, 0x03f00000-0x03ffffff: peripherals */ writel(0x0000bc01, SBBASE0); + } else { + /* + * Boot Swap Off: boot from mask ROM + * 0x00000000-0x01ffffff: mask ROM + * 0x02000000-0x3effffff: memory bank (31MB) + * 0x03f00000-0x3fffffff: peripherals (1MB) + */ + writel(0x0000be01, SBBASE0); /* dummy */ + writel(0x0200be01, SBBASE1); } #elif defined(CONFIG_DCC_MICRO_SUPPORT_CARD) #if !defined(CONFIG_SPL_BUILD) diff --git a/arch/arm/cpu/armv7/uniphier/support_card.c b/arch/arm/cpu/armv7/uniphier/support_card.c index 40d4940..419012e 100644 --- a/arch/arm/cpu/armv7/uniphier/support_card.c +++ b/arch/arm/cpu/armv7/uniphier/support_card.c @@ -83,6 +83,12 @@ static int support_card_show_revision(void) } #endif +int check_support_card(void) +{ + printf("SC: Micro Support Card "); + return support_card_show_revision(); +} + void support_card_init(void) { /* @@ -94,12 +100,6 @@ void support_card_init(void) support_card_reset_deassert(); } -int check_support_card(void) -{ - printf("SC: Micro Support Card "); - return support_card_show_revision(); -} - #if defined(CONFIG_SMC911X) #include <netdev.h> @@ -112,18 +112,14 @@ int board_eth_init(bd_t *bis) #if !defined(CONFIG_SYS_NO_FLASH) #include <mtd/cfi_flash.h> +#include <asm/arch/sbc-regs.h> -#if CONFIG_SYS_MAX_FLASH_BANKS > 1 -static phys_addr_t flash_banks_list[CONFIG_SYS_MAX_FLASH_BANKS] = - CONFIG_SYS_FLASH_BANKS_LIST; +struct memory_bank { + phys_addr_t base; + unsigned long size; +}; -phys_addr_t cfi_flash_bank_addr(int i) -{ - return flash_banks_list[i]; -} -#endif - -int mem_is_flash(phys_addr_t base) +static int mem_is_flash(const struct memory_bank *mem) { const int loop = 128; u32 *scratch_addr; @@ -131,8 +127,9 @@ int mem_is_flash(phys_addr_t base) int ret = 1; int i; - scratch_addr = map_physmem(base + 0x01e00000, - sizeof(u32) * loop, MAP_NOCACHE); + /* just in case, use the tail of the memory bank */ + scratch_addr = map_physmem(mem->base + mem->size - sizeof(u32) * loop, + sizeof(u32) * loop, MAP_NOCACHE); for (i = 0; i < loop; i++, scratch_addr++) { saved_value = readl(scratch_addr); @@ -150,31 +147,79 @@ int mem_is_flash(phys_addr_t base) return ret; } -int board_flash_wp_on(void) +#if defined(CONFIG_PFC_MICRO_SUPPORT_CARD) + /* {address, size} */ +static const struct memory_bank memory_banks_boot_swap_off[] = { + {0x02000000, 0x01f00000}, +}; + +static const struct memory_bank memory_banks_boot_swap_on[] = { + {0x00000000, 0x01f00000}, +}; +#endif + +#if defined(CONFIG_DCC_MICRO_SUPPORT_CARD) +static const struct memory_bank memory_banks_boot_swap_off[] = { + {0x04000000, 0x04000000}, +}; + +static const struct memory_bank memory_banks_boot_swap_on[] = { + {0x00000000, 0x04000000}, + {0x04000000, 0x04000000}, +}; +#endif + +static const struct memory_bank +*flash_banks_list[CONFIG_SYS_MAX_FLASH_BANKS_DETECT]; + +phys_addr_t cfi_flash_bank_addr(int i) { - int i; - int ret = 1; + return flash_banks_list[i]->base; +} - for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++) { - if (mem_is_flash(cfi_flash_bank_addr(i))) { - /* - * We found at least one flash. - * We need to return 0 and call flash_init(). - */ - ret = 0; - } -#if CONFIG_SYS_MAX_FLASH_BANKS > 1 - else { - /* - * We might have a SRAM here. - * To prevent SRAM data from being destroyed, - * we set dummy address (SDRAM). - */ - flash_banks_list[i] = 0x80000000 + 0x10000 * i; +unsigned long cfi_flash_bank_size(int i) +{ + return flash_banks_list[i]->size; +} + +static void detect_num_flash_banks(void) +{ + const struct memory_bank *memory_bank, *end; + + cfi_flash_num_flash_banks = 0; + + if (boot_is_swapped()) { + memory_bank = memory_banks_boot_swap_on; + end = memory_bank + ARRAY_SIZE(memory_banks_boot_swap_on); + } else { + memory_bank = memory_banks_boot_swap_off; + end = memory_bank + ARRAY_SIZE(memory_banks_boot_swap_off); + } + + for (; memory_bank < end; memory_bank++) { + if (cfi_flash_num_flash_banks >= + CONFIG_SYS_MAX_FLASH_BANKS_DETECT) + break; + + if (mem_is_flash(memory_bank)) { + flash_banks_list[cfi_flash_num_flash_banks] = + memory_bank; + + debug("flash bank found: base = 0x%lx, size = 0x%lx\n", + memory_bank->base, memory_bank->size); + cfi_flash_num_flash_banks++; } -#endif } - return ret; + debug("number of flash banks: %d\n", cfi_flash_num_flash_banks); +} +#else /* ONFIG_SYS_NO_FLASH */ +void detect_num_flash_banks(void) +{ +}; +#endif /* ONFIG_SYS_NO_FLASH */ + +void support_card_late_init(void) +{ + detect_num_flash_banks(); } -#endif diff --git a/arch/arm/cpu/armv7/vf610/generic.c b/arch/arm/cpu/armv7/vf610/generic.c index a26d63e..92aaad9 100644 --- a/arch/arm/cpu/armv7/vf610/generic.c +++ b/arch/arm/cpu/armv7/vf610/generic.c @@ -265,20 +265,21 @@ static char *get_reset_cause(void) cause = readl(&src_regs->srsr); writel(cause, &src_regs->srsr); - cause &= 0xff; - switch (cause) { - case 0x08: - return "WDOG"; - case 0x20: + if (cause & SRC_SRSR_POR_RST) + return "POWER ON RESET"; + else if (cause & SRC_SRSR_WDOG_A5) + return "WDOG A5"; + else if (cause & SRC_SRSR_WDOG_M4) + return "WDOG M4"; + else if (cause & SRC_SRSR_JTAG_RST) return "JTAG HIGH-Z"; - case 0x80: + else if (cause & SRC_SRSR_SW_RST) + return "SW RESET"; + else if (cause & SRC_SRSR_RESETB) return "EXTERNAL RESET"; - case 0xfd: - return "POR"; - default: + else return "unknown reset"; - } } int print_cpuinfo(void) diff --git a/arch/arm/cpu/tegra20-common/pmu.c b/arch/arm/cpu/tegra20-common/pmu.c index c595f70..36a76a2 100644 --- a/arch/arm/cpu/tegra20-common/pmu.c +++ b/arch/arm/cpu/tegra20-common/pmu.c @@ -6,6 +6,7 @@ */ #include <common.h> +#include <i2c.h> #include <tps6586x.h> #include <asm/io.h> #include <asm/arch/tegra.h> @@ -23,9 +24,13 @@ #define VDD_TRANSITION_STEP 0x06 /* 150mv */ #define VDD_TRANSITION_RATE 0x06 /* 3.52mv/us */ +#define PMI_I2C_ADDRESS 0x34 /* chip requires this address */ + int pmu_set_nominal(void) { - int core, cpu, bus; + struct udevice *bus, *dev; + int core, cpu; + int ret; /* by default, the table has been filled with T25 settings */ switch (tegra_get_chip_sku()) { @@ -42,12 +47,18 @@ int pmu_set_nominal(void) return -1; } - bus = tegra_i2c_get_dvc_bus_num(); - if (bus == -1) { + ret = tegra_i2c_get_dvc_bus(&bus); + if (ret) { debug("%s: Cannot find DVC I2C bus\n", __func__); - return -1; + return ret; } - tps6586x_init(bus); + ret = i2c_get_chip(bus, PMI_I2C_ADDRESS, &dev); + if (ret) { + debug("%s: Cannot find DVC I2C chip\n", __func__); + return ret; + } + + tps6586x_init(dev); tps6586x_set_pwm_mode(TPS6586X_PWM_SM1); return tps6586x_adjust_sm0_sm1(core, cpu, VDD_TRANSITION_STEP, VDD_TRANSITION_RATE, VDD_RELATION); diff --git a/arch/arm/cpu/u-boot-spl.lds b/arch/arm/cpu/u-boot-spl.lds index a69b006..a8be204 100644 --- a/arch/arm/cpu/u-boot-spl.lds +++ b/arch/arm/cpu/u-boot-spl.lds @@ -32,6 +32,9 @@ SECTIONS } . = ALIGN(4); + .u_boot_list : { + KEEP(*(SORT(.u_boot_list*_i2c_*))); + } . = .; #ifdef CONFIG_SPL_DM |