diff options
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/cpu/armv7/exynos/Makefile | 17 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/exynos/clock_init.h | 154 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/exynos/clock_init_exynos4.c | 95 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/exynos/clock_init_exynos5.c | 684 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/exynos/common_setup.h | 45 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/exynos/dmc_common.c | 200 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/exynos/dmc_init_ddr3.c | 233 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/exynos/dmc_init_exynos4.c | 213 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/exynos/exynos4_setup.h | 594 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/exynos/exynos5_setup.h | 567 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/exynos/lowlevel_init.c | 73 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/exynos/spl_boot.c | 203 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-exynos/cpu.h | 13 |
13 files changed, 3081 insertions, 10 deletions
diff --git a/arch/arm/cpu/armv7/exynos/Makefile b/arch/arm/cpu/armv7/exynos/Makefile index b2f9152..4661155 100644 --- a/arch/arm/cpu/armv7/exynos/Makefile +++ b/arch/arm/cpu/armv7/exynos/Makefile @@ -22,10 +22,19 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(SOC).o -COBJS += clock.o power.o soc.o system.o pinmux.o tzpc.o - -SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) -OBJS := $(addprefix $(obj),$(COBJS) $(SOBJS)) +COBJS-y += clock.o power.o soc.o system.o pinmux.o tzpc.o + +ifdef CONFIG_SPL_BUILD +COBJS-$(CONFIG_EXYNOS5) += clock_init_exynos5.o +COBJS-$(CONFIG_EXYNOS5) += dmc_common.o dmc_init_ddr3.o +COBJS-$(CONFIG_EXYNOS4210)+= dmc_init_exynos4.o clock_init_exynos4.o +COBJS-y += spl_boot.o +COBJS-y += lowlevel_init.o +endif + +COBJS := $(COBJS-y) +SRCS := $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) all: $(obj).depend $(LIB) diff --git a/arch/arm/cpu/armv7/exynos/clock_init.h b/arch/arm/cpu/armv7/exynos/clock_init.h new file mode 100644 index 0000000..20a1d47 --- /dev/null +++ b/arch/arm/cpu/armv7/exynos/clock_init.h @@ -0,0 +1,154 @@ +/* + * Clock initialization routines + * + * Copyright (c) 2011 The Chromium OS Authors. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef __EXYNOS_CLOCK_INIT_H +#define __EXYNOS_CLOCK_INIT_H + +enum { + MEM_TIMINGS_MSR_COUNT = 4, +}; + +/* These are the ratio's for configuring ARM clock */ +struct arm_clk_ratios { + unsigned arm_freq_mhz; /* Frequency of ARM core in MHz */ + + unsigned apll_mdiv; + unsigned apll_pdiv; + unsigned apll_sdiv; + + unsigned arm2_ratio; + unsigned apll_ratio; + unsigned pclk_dbg_ratio; + unsigned atb_ratio; + unsigned periph_ratio; + unsigned acp_ratio; + unsigned cpud_ratio; + unsigned arm_ratio; +}; + +/* These are the memory timings for a particular memory type and speed */ +struct mem_timings { + enum mem_manuf mem_manuf; /* Memory manufacturer */ + enum ddr_mode mem_type; /* Memory type */ + unsigned frequency_mhz; /* Frequency of memory in MHz */ + + /* Here follow the timing parameters for the selected memory */ + unsigned apll_mdiv; + unsigned apll_pdiv; + unsigned apll_sdiv; + unsigned mpll_mdiv; + unsigned mpll_pdiv; + unsigned mpll_sdiv; + unsigned cpll_mdiv; + unsigned cpll_pdiv; + unsigned cpll_sdiv; + unsigned gpll_mdiv; + unsigned gpll_pdiv; + unsigned gpll_sdiv; + unsigned epll_mdiv; + unsigned epll_pdiv; + unsigned epll_sdiv; + unsigned vpll_mdiv; + unsigned vpll_pdiv; + unsigned vpll_sdiv; + unsigned bpll_mdiv; + unsigned bpll_pdiv; + unsigned bpll_sdiv; + unsigned pclk_cdrex_ratio; + unsigned direct_cmd_msr[MEM_TIMINGS_MSR_COUNT]; + + unsigned timing_ref; + unsigned timing_row; + unsigned timing_data; + unsigned timing_power; + + /* DQS, DQ, DEBUG offsets */ + unsigned phy0_dqs; + unsigned phy1_dqs; + unsigned phy0_dq; + unsigned phy1_dq; + unsigned phy0_tFS; + unsigned phy1_tFS; + unsigned phy0_pulld_dqs; + unsigned phy1_pulld_dqs; + + unsigned lpddr3_ctrl_phy_reset; + unsigned ctrl_start_point; + unsigned ctrl_inc; + unsigned ctrl_start; + unsigned ctrl_dll_on; + unsigned ctrl_ref; + + unsigned ctrl_force; + unsigned ctrl_rdlat; + unsigned ctrl_bstlen; + + unsigned fp_resync; + unsigned iv_size; + unsigned dfi_init_start; + unsigned aref_en; + + unsigned rd_fetch; + + unsigned zq_mode_dds; + unsigned zq_mode_term; + unsigned zq_mode_noterm; /* 1 to allow termination disable */ + + unsigned memcontrol; + unsigned memconfig; + + unsigned membaseconfig0; + unsigned membaseconfig1; + unsigned prechconfig_tp_cnt; + unsigned dpwrdn_cyc; + unsigned dsref_cyc; + unsigned concontrol; + /* Channel and Chip Selection */ + uint8_t dmc_channels; /* number of memory channels */ + uint8_t chips_per_channel; /* number of chips per channel */ + uint8_t chips_to_configure; /* number of chips to configure */ + uint8_t send_zq_init; /* 1 to send this command */ + unsigned impedance; /* drive strength impedeance */ + uint8_t gate_leveling_enable; /* check gate leveling is enabled */ +}; + +/** + * Get the correct memory timings for our selected memory type and speed. + * + * This function can be called from SPL or the main U-Boot. + * + * @return pointer to the memory timings that we should use + */ +struct mem_timings *clock_get_mem_timings(void); + +/* + * Initialize clock for the device + */ +void system_clock_init(void); + +/* + * Set clock divisor value for booting from EMMC. + */ +void emmc_boot_clk_div_set(void); +#endif diff --git a/arch/arm/cpu/armv7/exynos/clock_init_exynos4.c b/arch/arm/cpu/armv7/exynos/clock_init_exynos4.c new file mode 100644 index 0000000..3161090 --- /dev/null +++ b/arch/arm/cpu/armv7/exynos/clock_init_exynos4.c @@ -0,0 +1,95 @@ +/* + * Clock Initialization for board based on EXYNOS4210 + * + * Copyright (C) 2013 Samsung Electronics + * Rajeshwari Shinde <rajeshwari.s@samsung.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <config.h> +#include <version.h> +#include <asm/io.h> +#include <asm/arch/cpu.h> +#include <asm/arch/clk.h> +#include <asm/arch/clock.h> +#include "common_setup.h" +#include "exynos4_setup.h" + +/* + * system_clock_init: Initialize core clock and bus clock. + * void system_clock_init(void) + */ +void system_clock_init(void) +{ + struct exynos4_clock *clk = + (struct exynos4_clock *)samsung_get_base_clock(); + + writel(CLK_SRC_CPU_VAL, &clk->src_cpu); + + sdelay(0x10000); + + writel(CLK_SRC_TOP0_VAL, &clk->src_top0); + writel(CLK_SRC_TOP1_VAL, &clk->src_top1); + writel(CLK_SRC_DMC_VAL, &clk->src_dmc); + writel(CLK_SRC_LEFTBUS_VAL, &clk->src_leftbus); + writel(CLK_SRC_RIGHTBUS_VAL, &clk->src_rightbus); + writel(CLK_SRC_FSYS_VAL, &clk->src_fsys); + writel(CLK_SRC_PERIL0_VAL, &clk->src_peril0); + writel(CLK_SRC_CAM_VAL, &clk->src_cam); + writel(CLK_SRC_MFC_VAL, &clk->src_mfc); + writel(CLK_SRC_G3D_VAL, &clk->src_g3d); + writel(CLK_SRC_LCD0_VAL, &clk->src_lcd0); + + sdelay(0x10000); + + writel(CLK_DIV_CPU0_VAL, &clk->div_cpu0); + writel(CLK_DIV_CPU1_VAL, &clk->div_cpu1); + writel(CLK_DIV_DMC0_VAL, &clk->div_dmc0); + writel(CLK_DIV_DMC1_VAL, &clk->div_dmc1); + writel(CLK_DIV_LEFTBUS_VAL, &clk->div_leftbus); + writel(CLK_DIV_RIGHTBUS_VAL, &clk->div_rightbus); + writel(CLK_DIV_TOP_VAL, &clk->div_top); + writel(CLK_DIV_FSYS1_VAL, &clk->div_fsys1); + writel(CLK_DIV_FSYS2_VAL, &clk->div_fsys2); + writel(CLK_DIV_FSYS3_VAL, &clk->div_fsys3); + writel(CLK_DIV_PERIL0_VAL, &clk->div_peril0); + writel(CLK_DIV_CAM_VAL, &clk->div_cam); + writel(CLK_DIV_MFC_VAL, &clk->div_mfc); + writel(CLK_DIV_G3D_VAL, &clk->div_g3d); + writel(CLK_DIV_LCD0_VAL, &clk->div_lcd0); + + /* Set PLL locktime */ + writel(PLL_LOCKTIME, &clk->apll_lock); + writel(PLL_LOCKTIME, &clk->mpll_lock); + writel(PLL_LOCKTIME, &clk->epll_lock); + writel(PLL_LOCKTIME, &clk->vpll_lock); + + writel(APLL_CON1_VAL, &clk->apll_con1); + writel(APLL_CON0_VAL, &clk->apll_con0); + writel(MPLL_CON1_VAL, &clk->mpll_con1); + writel(MPLL_CON0_VAL, &clk->mpll_con0); + writel(EPLL_CON1_VAL, &clk->epll_con1); + writel(EPLL_CON0_VAL, &clk->epll_con0); + writel(VPLL_CON1_VAL, &clk->vpll_con1); + writel(VPLL_CON0_VAL, &clk->vpll_con0); + + sdelay(0x30000); +} diff --git a/arch/arm/cpu/armv7/exynos/clock_init_exynos5.c b/arch/arm/cpu/armv7/exynos/clock_init_exynos5.c new file mode 100644 index 0000000..0f9c572 --- /dev/null +++ b/arch/arm/cpu/armv7/exynos/clock_init_exynos5.c @@ -0,0 +1,684 @@ +/* + * Clock setup for SMDK5250 board based on EXYNOS5 + * + * Copyright (C) 2012 Samsung Electronics + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <config.h> +#include <asm/io.h> +#include <asm/arch/clk.h> +#include <asm/arch/clock.h> +#include <asm/arch/spl.h> +#include <asm/arch/dwmmc.h> + +#include "clock_init.h" +#include "common_setup.h" +#include "exynos5_setup.h" + +#define FSYS1_MMC0_DIV_MASK 0xff0f +#define FSYS1_MMC0_DIV_VAL 0x0701 + +DECLARE_GLOBAL_DATA_PTR; + +struct arm_clk_ratios arm_clk_ratios[] = { + { + .arm_freq_mhz = 600, + + .apll_mdiv = 0xc8, + .apll_pdiv = 0x4, + .apll_sdiv = 0x1, + + .arm2_ratio = 0x0, + .apll_ratio = 0x1, + .pclk_dbg_ratio = 0x1, + .atb_ratio = 0x2, + .periph_ratio = 0x7, + .acp_ratio = 0x7, + .cpud_ratio = 0x1, + .arm_ratio = 0x0, + }, { + .arm_freq_mhz = 800, + + .apll_mdiv = 0x64, + .apll_pdiv = 0x3, + .apll_sdiv = 0x0, + + .arm2_ratio = 0x0, + .apll_ratio = 0x1, + .pclk_dbg_ratio = 0x1, + .atb_ratio = 0x3, + .periph_ratio = 0x7, + .acp_ratio = 0x7, + .cpud_ratio = 0x2, + .arm_ratio = 0x0, + }, { + .arm_freq_mhz = 1000, + + .apll_mdiv = 0x7d, + .apll_pdiv = 0x3, + .apll_sdiv = 0x0, + + .arm2_ratio = 0x0, + .apll_ratio = 0x1, + .pclk_dbg_ratio = 0x1, + .atb_ratio = 0x4, + .periph_ratio = 0x7, + .acp_ratio = 0x7, + .cpud_ratio = 0x2, + .arm_ratio = 0x0, + }, { + .arm_freq_mhz = 1200, + + .apll_mdiv = 0x96, + .apll_pdiv = 0x3, + .apll_sdiv = 0x0, + + .arm2_ratio = 0x0, + .apll_ratio = 0x3, + .pclk_dbg_ratio = 0x1, + .atb_ratio = 0x5, + .periph_ratio = 0x7, + .acp_ratio = 0x7, + .cpud_ratio = 0x3, + .arm_ratio = 0x0, + }, { + .arm_freq_mhz = 1400, + + .apll_mdiv = 0xaf, + .apll_pdiv = 0x3, + .apll_sdiv = 0x0, + + .arm2_ratio = 0x0, + .apll_ratio = 0x3, + .pclk_dbg_ratio = 0x1, + .atb_ratio = 0x6, + .periph_ratio = 0x7, + .acp_ratio = 0x7, + .cpud_ratio = 0x3, + .arm_ratio = 0x0, + }, { + .arm_freq_mhz = 1700, + + .apll_mdiv = 0x1a9, + .apll_pdiv = 0x6, + .apll_sdiv = 0x0, + + .arm2_ratio = 0x0, + .apll_ratio = 0x3, + .pclk_dbg_ratio = 0x1, + .atb_ratio = 0x6, + .periph_ratio = 0x7, + .acp_ratio = 0x7, + .cpud_ratio = 0x3, + .arm_ratio = 0x0, + } +}; +struct mem_timings mem_timings[] = { + { + .mem_manuf = MEM_MANUF_ELPIDA, + .mem_type = DDR_MODE_DDR3, + .frequency_mhz = 800, + .mpll_mdiv = 0xc8, + .mpll_pdiv = 0x3, + .mpll_sdiv = 0x0, + .cpll_mdiv = 0xde, + .cpll_pdiv = 0x4, + .cpll_sdiv = 0x2, + .gpll_mdiv = 0x215, + .gpll_pdiv = 0xc, + .gpll_sdiv = 0x1, + .epll_mdiv = 0x60, + .epll_pdiv = 0x3, + .epll_sdiv = 0x3, + .vpll_mdiv = 0x96, + .vpll_pdiv = 0x3, + .vpll_sdiv = 0x2, + + .bpll_mdiv = 0x64, + .bpll_pdiv = 0x3, + .bpll_sdiv = 0x0, + .pclk_cdrex_ratio = 0x5, + .direct_cmd_msr = { + 0x00020018, 0x00030000, 0x00010042, 0x00000d70 + }, + .timing_ref = 0x000000bb, + .timing_row = 0x8c36650e, + .timing_data = 0x3630580b, + .timing_power = 0x41000a44, + .phy0_dqs = 0x08080808, + .phy1_dqs = 0x08080808, + .phy0_dq = 0x08080808, + .phy1_dq = 0x08080808, + .phy0_tFS = 0x4, + .phy1_tFS = 0x4, + .phy0_pulld_dqs = 0xf, + .phy1_pulld_dqs = 0xf, + + .lpddr3_ctrl_phy_reset = 0x1, + .ctrl_start_point = 0x10, + .ctrl_inc = 0x10, + .ctrl_start = 0x1, + .ctrl_dll_on = 0x1, + .ctrl_ref = 0x8, + + .ctrl_force = 0x1a, + .ctrl_rdlat = 0x0b, + .ctrl_bstlen = 0x08, + + .fp_resync = 0x8, + .iv_size = 0x7, + .dfi_init_start = 1, + .aref_en = 1, + + .rd_fetch = 0x3, + + .zq_mode_dds = 0x7, + .zq_mode_term = 0x1, + .zq_mode_noterm = 0, + + /* + * Dynamic Clock: Always Running + * Memory Burst length: 8 + * Number of chips: 1 + * Memory Bus width: 32 bit + * Memory Type: DDR3 + * Additional Latancy for PLL: 0 Cycle + */ + .memcontrol = DMC_MEMCONTROL_CLK_STOP_DISABLE | + DMC_MEMCONTROL_DPWRDN_DISABLE | + DMC_MEMCONTROL_DPWRDN_ACTIVE_PRECHARGE | + DMC_MEMCONTROL_TP_DISABLE | + DMC_MEMCONTROL_DSREF_ENABLE | + DMC_MEMCONTROL_ADD_LAT_PALL_CYCLE(0) | + DMC_MEMCONTROL_MEM_TYPE_DDR3 | + DMC_MEMCONTROL_MEM_WIDTH_32BIT | + DMC_MEMCONTROL_NUM_CHIP_1 | + DMC_MEMCONTROL_BL_8 | + DMC_MEMCONTROL_PZQ_DISABLE | + DMC_MEMCONTROL_MRR_BYTE_7_0, + .memconfig = DMC_MEMCONFIGX_CHIP_MAP_INTERLEAVED | + DMC_MEMCONFIGX_CHIP_COL_10 | + DMC_MEMCONFIGX_CHIP_ROW_15 | + DMC_MEMCONFIGX_CHIP_BANK_8, + .membaseconfig0 = DMC_MEMBASECONFIG_VAL(0x40), + .membaseconfig1 = DMC_MEMBASECONFIG_VAL(0x80), + .prechconfig_tp_cnt = 0xff, + .dpwrdn_cyc = 0xff, + .dsref_cyc = 0xffff, + .concontrol = DMC_CONCONTROL_DFI_INIT_START_DISABLE | + DMC_CONCONTROL_TIMEOUT_LEVEL0 | + DMC_CONCONTROL_RD_FETCH_DISABLE | + DMC_CONCONTROL_EMPTY_DISABLE | + DMC_CONCONTROL_AREF_EN_DISABLE | + DMC_CONCONTROL_IO_PD_CON_DISABLE, + .dmc_channels = 2, + .chips_per_channel = 2, + .chips_to_configure = 1, + .send_zq_init = 1, + .impedance = IMP_OUTPUT_DRV_30_OHM, + .gate_leveling_enable = 0, + }, { + .mem_manuf = MEM_MANUF_SAMSUNG, + .mem_type = DDR_MODE_DDR3, + .frequency_mhz = 800, + .mpll_mdiv = 0xc8, + .mpll_pdiv = 0x3, + .mpll_sdiv = 0x0, + .cpll_mdiv = 0xde, + .cpll_pdiv = 0x4, + .cpll_sdiv = 0x2, + .gpll_mdiv = 0x215, + .gpll_pdiv = 0xc, + .gpll_sdiv = 0x1, + .epll_mdiv = 0x60, + .epll_pdiv = 0x3, + .epll_sdiv = 0x3, + .vpll_mdiv = 0x96, + .vpll_pdiv = 0x3, + .vpll_sdiv = 0x2, + + .bpll_mdiv = 0x64, + .bpll_pdiv = 0x3, + .bpll_sdiv = 0x0, + .pclk_cdrex_ratio = 0x5, + .direct_cmd_msr = { + 0x00020018, 0x00030000, 0x00010000, 0x00000d70 + }, + .timing_ref = 0x000000bb, + .timing_row = 0x8c36650e, + .timing_data = 0x3630580b, + .timing_power = 0x41000a44, + .phy0_dqs = 0x08080808, + .phy1_dqs = 0x08080808, + .phy0_dq = 0x08080808, + .phy1_dq = 0x08080808, + .phy0_tFS = 0x8, + .phy1_tFS = 0x8, + .phy0_pulld_dqs = 0xf, + .phy1_pulld_dqs = 0xf, + + .lpddr3_ctrl_phy_reset = 0x1, + .ctrl_start_point = 0x10, + .ctrl_inc = 0x10, + .ctrl_start = 0x1, + .ctrl_dll_on = 0x1, + .ctrl_ref = 0x8, + + .ctrl_force = 0x1a, + .ctrl_rdlat = 0x0b, + .ctrl_bstlen = 0x08, + + .fp_resync = 0x8, + .iv_size = 0x7, + .dfi_init_start = 1, + .aref_en = 1, + + .rd_fetch = 0x3, + + .zq_mode_dds = 0x5, + .zq_mode_term = 0x1, + .zq_mode_noterm = 1, + + /* + * Dynamic Clock: Always Running + * Memory Burst length: 8 + * Number of chips: 1 + * Memory Bus width: 32 bit + * Memory Type: DDR3 + * Additional Latancy for PLL: 0 Cycle + */ + .memcontrol = DMC_MEMCONTROL_CLK_STOP_DISABLE | + DMC_MEMCONTROL_DPWRDN_DISABLE | + DMC_MEMCONTROL_DPWRDN_ACTIVE_PRECHARGE | + DMC_MEMCONTROL_TP_DISABLE | + DMC_MEMCONTROL_DSREF_ENABLE | + DMC_MEMCONTROL_ADD_LAT_PALL_CYCLE(0) | + DMC_MEMCONTROL_MEM_TYPE_DDR3 | + DMC_MEMCONTROL_MEM_WIDTH_32BIT | + DMC_MEMCONTROL_NUM_CHIP_1 | + DMC_MEMCONTROL_BL_8 | + DMC_MEMCONTROL_PZQ_DISABLE | + DMC_MEMCONTROL_MRR_BYTE_7_0, + .memconfig = DMC_MEMCONFIGX_CHIP_MAP_INTERLEAVED | + DMC_MEMCONFIGX_CHIP_COL_10 | + DMC_MEMCONFIGX_CHIP_ROW_15 | + DMC_MEMCONFIGX_CHIP_BANK_8, + .membaseconfig0 = DMC_MEMBASECONFIG_VAL(0x40), + .membaseconfig1 = DMC_MEMBASECONFIG_VAL(0x80), + .prechconfig_tp_cnt = 0xff, + .dpwrdn_cyc = 0xff, + .dsref_cyc = 0xffff, + .concontrol = DMC_CONCONTROL_DFI_INIT_START_DISABLE | + DMC_CONCONTROL_TIMEOUT_LEVEL0 | + DMC_CONCONTROL_RD_FETCH_DISABLE | + DMC_CONCONTROL_EMPTY_DISABLE | + DMC_CONCONTROL_AREF_EN_DISABLE | + DMC_CONCONTROL_IO_PD_CON_DISABLE, + .dmc_channels = 2, + .chips_per_channel = 2, + .chips_to_configure = 1, + .send_zq_init = 1, + .impedance = IMP_OUTPUT_DRV_40_OHM, + .gate_leveling_enable = 1, + } +}; + +/** + * Get the required memory type and speed (SPL version). + * + * In SPL we have no device tree, so we use the machine parameters + * + * @param mem_type Returns memory type + * @param frequency_mhz Returns memory speed in MHz + * @param arm_freq Returns ARM clock speed in MHz + * @param mem_manuf Return Memory Manufacturer name + */ +static void clock_get_mem_selection(enum ddr_mode *mem_type, + unsigned *frequency_mhz, unsigned *arm_freq, + enum mem_manuf *mem_manuf) +{ + struct spl_machine_param *params; + + params = spl_get_machine_params(); + *mem_type = params->mem_type; + *frequency_mhz = params->frequency_mhz; + *arm_freq = params->arm_freq_mhz; + *mem_manuf = params->mem_manuf; +} + +/* Get the ratios for setting ARM clock */ +struct arm_clk_ratios *get_arm_ratios(void) +{ + struct arm_clk_ratios *arm_ratio; + enum ddr_mode mem_type; + enum mem_manuf mem_manuf; + unsigned frequency_mhz, arm_freq; + int i; + + clock_get_mem_selection(&mem_type, &frequency_mhz, + &arm_freq, &mem_manuf); + + for (i = 0, arm_ratio = arm_clk_ratios; i < ARRAY_SIZE(arm_clk_ratios); + i++, arm_ratio++) { + if (arm_ratio->arm_freq_mhz == arm_freq) + return arm_ratio; + } + + /* will hang if failed to find clock ratio */ + while (1) + ; + + return NULL; +} + +struct mem_timings *clock_get_mem_timings(void) +{ + struct mem_timings *mem; + enum ddr_mode mem_type; + enum mem_manuf mem_manuf; + unsigned frequency_mhz, arm_freq; + int i; + + clock_get_mem_selection(&mem_type, &frequency_mhz, + &arm_freq, &mem_manuf); + for (i = 0, mem = mem_timings; i < ARRAY_SIZE(mem_timings); + i++, mem++) { + if (mem->mem_type == mem_type && + mem->frequency_mhz == frequency_mhz && + mem->mem_manuf == mem_manuf) + return mem; + } + + /* will hang if failed to find memory timings */ + while (1) + ; + + return NULL; +} + +void system_clock_init() +{ + struct exynos5_clock *clk = + (struct exynos5_clock *)samsung_get_base_clock(); + struct mem_timings *mem; + struct arm_clk_ratios *arm_clk_ratio; + u32 val, tmp; + + mem = clock_get_mem_timings(); + arm_clk_ratio = get_arm_ratios(); + + clrbits_le32(&clk->src_cpu, MUX_APLL_SEL_MASK); + do { + val = readl(&clk->mux_stat_cpu); + } while ((val | MUX_APLL_SEL_MASK) != val); + + clrbits_le32(&clk->src_core1, MUX_MPLL_SEL_MASK); + do { + val = readl(&clk->mux_stat_core1); + } while ((val | MUX_MPLL_SEL_MASK) != val); + + clrbits_le32(&clk->src_top2, MUX_CPLL_SEL_MASK); + clrbits_le32(&clk->src_top2, MUX_EPLL_SEL_MASK); + clrbits_le32(&clk->src_top2, MUX_VPLL_SEL_MASK); + clrbits_le32(&clk->src_top2, MUX_GPLL_SEL_MASK); + tmp = MUX_CPLL_SEL_MASK | MUX_EPLL_SEL_MASK | MUX_VPLL_SEL_MASK + | MUX_GPLL_SEL_MASK; + do { + val = readl(&clk->mux_stat_top2); + } while ((val | tmp) != val); + + clrbits_le32(&clk->src_cdrex, MUX_BPLL_SEL_MASK); + do { + val = readl(&clk->mux_stat_cdrex); + } while ((val | MUX_BPLL_SEL_MASK) != val); + + /* PLL locktime */ + writel(APLL_LOCK_VAL, &clk->apll_lock); + + writel(MPLL_LOCK_VAL, &clk->mpll_lock); + + writel(BPLL_LOCK_VAL, &clk->bpll_lock); + + writel(CPLL_LOCK_VAL, &clk->cpll_lock); + + writel(GPLL_LOCK_VAL, &clk->gpll_lock); + + writel(EPLL_LOCK_VAL, &clk->epll_lock); + + writel(VPLL_LOCK_VAL, &clk->vpll_lock); + + writel(CLK_REG_DISABLE, &clk->pll_div2_sel); + + writel(MUX_HPM_SEL_MASK, &clk->src_cpu); + do { + val = readl(&clk->mux_stat_cpu); + } while ((val | HPM_SEL_SCLK_MPLL) != val); + + val = arm_clk_ratio->arm2_ratio << 28 + | arm_clk_ratio->apll_ratio << 24 + | arm_clk_ratio->pclk_dbg_ratio << 20 + | arm_clk_ratio->atb_ratio << 16 + | arm_clk_ratio->periph_ratio << 12 + | arm_clk_ratio->acp_ratio << 8 + | arm_clk_ratio->cpud_ratio << 4 + | arm_clk_ratio->arm_ratio; + writel(val, &clk->div_cpu0); + do { + val = readl(&clk->div_stat_cpu0); + } while (0 != val); + + writel(CLK_DIV_CPU1_VAL, &clk->div_cpu1); + do { + val = readl(&clk->div_stat_cpu1); + } while (0 != val); + + /* Set APLL */ + writel(APLL_CON1_VAL, &clk->apll_con1); + val = set_pll(arm_clk_ratio->apll_mdiv, arm_clk_ratio->apll_pdiv, + arm_clk_ratio->apll_sdiv); + writel(val, &clk->apll_con0); + while ((readl(&clk->apll_con0) & APLL_CON0_LOCKED) == 0) + ; + + /* Set MPLL */ + writel(MPLL_CON1_VAL, &clk->mpll_con1); + val = set_pll(mem->mpll_mdiv, mem->mpll_pdiv, mem->mpll_sdiv); + writel(val, &clk->mpll_con0); + while ((readl(&clk->mpll_con0) & MPLL_CON0_LOCKED) == 0) + ; + + /* Set BPLL */ + writel(BPLL_CON1_VAL, &clk->bpll_con1); + val = set_pll(mem->bpll_mdiv, mem->bpll_pdiv, mem->bpll_sdiv); + writel(val, &clk->bpll_con0); + while ((readl(&clk->bpll_con0) & BPLL_CON0_LOCKED) == 0) + ; + + /* Set CPLL */ + writel(CPLL_CON1_VAL, &clk->cpll_con1); + val = set_pll(mem->cpll_mdiv, mem->cpll_pdiv, mem->cpll_sdiv); + writel(val, &clk->cpll_con0); + while ((readl(&clk->cpll_con0) & CPLL_CON0_LOCKED) == 0) + ; + + /* Set GPLL */ + writel(GPLL_CON1_VAL, &clk->gpll_con1); + val = set_pll(mem->gpll_mdiv, mem->gpll_pdiv, mem->gpll_sdiv); + writel(val, &clk->gpll_con0); + while ((readl(&clk->gpll_con0) & GPLL_CON0_LOCKED) == 0) + ; + + /* Set EPLL */ + writel(EPLL_CON2_VAL, &clk->epll_con2); + writel(EPLL_CON1_VAL, &clk->epll_con1); + val = set_pll(mem->epll_mdiv, mem->epll_pdiv, mem->epll_sdiv); + writel(val, &clk->epll_con0); + while ((readl(&clk->epll_con0) & EPLL_CON0_LOCKED) == 0) + ; + + /* Set VPLL */ + writel(VPLL_CON2_VAL, &clk->vpll_con2); + writel(VPLL_CON1_VAL, &clk->vpll_con1); + val = set_pll(mem->vpll_mdiv, mem->vpll_pdiv, mem->vpll_sdiv); + writel(val, &clk->vpll_con0); + while ((readl(&clk->vpll_con0) & VPLL_CON0_LOCKED) == 0) + ; + + writel(CLK_SRC_CORE0_VAL, &clk->src_core0); + writel(CLK_DIV_CORE0_VAL, &clk->div_core0); + while (readl(&clk->div_stat_core0) != 0) + ; + + writel(CLK_DIV_CORE1_VAL, &clk->div_core1); + while (readl(&clk->div_stat_core1) != 0) + ; + + writel(CLK_DIV_SYSRGT_VAL, &clk->div_sysrgt); + while (readl(&clk->div_stat_sysrgt) != 0) + ; + + writel(CLK_DIV_ACP_VAL, &clk->div_acp); + while (readl(&clk->div_stat_acp) != 0) + ; + + writel(CLK_DIV_SYSLFT_VAL, &clk->div_syslft); + while (readl(&clk->div_stat_syslft) != 0) + ; + + writel(CLK_SRC_TOP0_VAL, &clk->src_top0); + writel(CLK_SRC_TOP1_VAL, &clk->src_top1); + writel(TOP2_VAL, &clk->src_top2); + writel(CLK_SRC_TOP3_VAL, &clk->src_top3); + + writel(CLK_DIV_TOP0_VAL, &clk->div_top0); + while (readl(&clk->div_stat_top0)) + ; + + writel(CLK_DIV_TOP1_VAL, &clk->div_top1); + while (readl(&clk->div_stat_top1)) + ; + + writel(CLK_SRC_LEX_VAL, &clk->src_lex); + while (1) { + val = readl(&clk->mux_stat_lex); + if (val == (val | 1)) + break; + } + + writel(CLK_DIV_LEX_VAL, &clk->div_lex); + while (readl(&clk->div_stat_lex)) + ; + + writel(CLK_DIV_R0X_VAL, &clk->div_r0x); + while (readl(&clk->div_stat_r0x)) + ; + + writel(CLK_DIV_R0X_VAL, &clk->div_r0x); + while (readl(&clk->div_stat_r0x)) + ; + + writel(CLK_DIV_R1X_VAL, &clk->div_r1x); + while (readl(&clk->div_stat_r1x)) + ; + + writel(CLK_REG_DISABLE, &clk->src_cdrex); + + writel(CLK_DIV_CDREX_VAL, &clk->div_cdrex); + while (readl(&clk->div_stat_cdrex)) + ; + + val = readl(&clk->src_cpu); + val |= CLK_SRC_CPU_VAL; + writel(val, &clk->src_cpu); + + val = readl(&clk->src_top2); + val |= CLK_SRC_TOP2_VAL; + writel(val, &clk->src_top2); + + val = readl(&clk->src_core1); + val |= CLK_SRC_CORE1_VAL; + writel(val, &clk->src_core1); + + writel(CLK_SRC_FSYS0_VAL, &clk->src_fsys); + writel(CLK_DIV_FSYS0_VAL, &clk->div_fsys0); + while (readl(&clk->div_stat_fsys0)) + ; + + writel(CLK_REG_DISABLE, &clk->clkout_cmu_cpu); + writel(CLK_REG_DISABLE, &clk->clkout_cmu_core); + writel(CLK_REG_DISABLE, &clk->clkout_cmu_acp); + writel(CLK_REG_DISABLE, &clk->clkout_cmu_top); + writel(CLK_REG_DISABLE, &clk->clkout_cmu_lex); + writel(CLK_REG_DISABLE, &clk->clkout_cmu_r0x); + writel(CLK_REG_DISABLE, &clk->clkout_cmu_r1x); + writel(CLK_REG_DISABLE, &clk->clkout_cmu_cdrex); + + writel(CLK_SRC_PERIC0_VAL, &clk->src_peric0); + writel(CLK_DIV_PERIC0_VAL, &clk->div_peric0); + + writel(CLK_SRC_PERIC1_VAL, &clk->src_peric1); + writel(CLK_DIV_PERIC1_VAL, &clk->div_peric1); + writel(CLK_DIV_PERIC2_VAL, &clk->div_peric2); + writel(CLK_DIV_PERIC3_VAL, &clk->div_peric3); + + writel(SCLK_SRC_ISP_VAL, &clk->sclk_src_isp); + writel(SCLK_DIV_ISP_VAL, &clk->sclk_div_isp); + writel(CLK_DIV_ISP0_VAL, &clk->div_isp0); + writel(CLK_DIV_ISP1_VAL, &clk->div_isp1); + writel(CLK_DIV_ISP2_VAL, &clk->div_isp2); + + /* FIMD1 SRC CLK SELECTION */ + writel(CLK_SRC_DISP1_0_VAL, &clk->src_disp1_0); + + val = MMC2_PRE_RATIO_VAL << MMC2_PRE_RATIO_OFFSET + | MMC2_RATIO_VAL << MMC2_RATIO_OFFSET + | MMC3_PRE_RATIO_VAL << MMC3_PRE_RATIO_OFFSET + | MMC3_RATIO_VAL << MMC3_RATIO_OFFSET; + writel(val, &clk->div_fsys2); +} + +void clock_init_dp_clock(void) +{ + struct exynos5_clock *clk = + (struct exynos5_clock *)samsung_get_base_clock(); + + /* DP clock enable */ + setbits_le32(&clk->gate_ip_disp1, CLK_GATE_DP1_ALLOW); + + /* We run DP at 267 Mhz */ + setbits_le32(&clk->div_disp1_0, CLK_DIV_DISP1_0_FIMD1); +} + +/* + * Set clock divisor value for booting from EMMC. + * Set DWMMC channel-0 clk div to operate mmc0 device at 50MHz. + */ +void emmc_boot_clk_div_set(void) +{ + struct exynos5_clock *clk = + (struct exynos5_clock *)samsung_get_base_clock(); + unsigned int div_mmc; + + div_mmc = readl((unsigned int) &clk->div_fsys1) & ~FSYS1_MMC0_DIV_MASK; + div_mmc |= FSYS1_MMC0_DIV_VAL; + writel(div_mmc, (unsigned int) &clk->div_fsys1); +} diff --git a/arch/arm/cpu/armv7/exynos/common_setup.h b/arch/arm/cpu/armv7/exynos/common_setup.h new file mode 100644 index 0000000..e6318c0 --- /dev/null +++ b/arch/arm/cpu/armv7/exynos/common_setup.h @@ -0,0 +1,45 @@ +/* + * Common APIs for EXYNOS based board + * + * Copyright (C) 2013 Samsung Electronics + * Rajeshwari Shinde <rajeshwari.s@samsung.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#define DMC_OFFSET 0x10000 + +/* + * Memory initialization + * + * @param reset Reset PHY during initialization. + */ +void mem_ctrl_init(int reset); + + /* System Clock initialization */ +void system_clock_init(void); + +/* + * Init subsystems according to the reset status + * + * @return 0 for a normal boot, non-zero for a resume + */ +int do_lowlevel_init(void); + +void sdelay(unsigned long); diff --git a/arch/arm/cpu/armv7/exynos/dmc_common.c b/arch/arm/cpu/armv7/exynos/dmc_common.c new file mode 100644 index 0000000..645f57e --- /dev/null +++ b/arch/arm/cpu/armv7/exynos/dmc_common.c @@ -0,0 +1,200 @@ +/* + * Mem setup common file for different types of DDR present on SMDK5250 boards. + * + * Copyright (C) 2012 Samsung Electronics + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <asm/arch/spl.h> + +#include "clock_init.h" +#include "common_setup.h" +#include "exynos5_setup.h" + +#define ZQ_INIT_TIMEOUT 10000 + +int dmc_config_zq(struct mem_timings *mem, + struct exynos5_phy_control *phy0_ctrl, + struct exynos5_phy_control *phy1_ctrl) +{ + unsigned long val = 0; + int i; + + /* + * ZQ Calibration: + * Select Driver Strength, + * long calibration for manual calibration + */ + val = PHY_CON16_RESET_VAL; + val |= mem->zq_mode_dds << PHY_CON16_ZQ_MODE_DDS_SHIFT; + val |= mem->zq_mode_term << PHY_CON16_ZQ_MODE_TERM_SHIFT; + val |= ZQ_CLK_DIV_EN; + writel(val, &phy0_ctrl->phy_con16); + writel(val, &phy1_ctrl->phy_con16); + + /* Disable termination */ + if (mem->zq_mode_noterm) + val |= PHY_CON16_ZQ_MODE_NOTERM_MASK; + writel(val, &phy0_ctrl->phy_con16); + writel(val, &phy1_ctrl->phy_con16); + + /* ZQ_MANUAL_START: Enable */ + val |= ZQ_MANUAL_STR; + writel(val, &phy0_ctrl->phy_con16); + writel(val, &phy1_ctrl->phy_con16); + + /* ZQ_MANUAL_START: Disable */ + val &= ~ZQ_MANUAL_STR; + + /* + * Since we are manaully calibrating the ZQ values, + * we are looping for the ZQ_init to complete. + */ + i = ZQ_INIT_TIMEOUT; + while ((readl(&phy0_ctrl->phy_con17) & ZQ_DONE) != ZQ_DONE && i > 0) { + sdelay(100); + i--; + } + if (!i) + return -1; + writel(val, &phy0_ctrl->phy_con16); + + i = ZQ_INIT_TIMEOUT; + while ((readl(&phy1_ctrl->phy_con17) & ZQ_DONE) != ZQ_DONE && i > 0) { + sdelay(100); + i--; + } + if (!i) + return -1; + writel(val, &phy1_ctrl->phy_con16); + + return 0; +} + +void update_reset_dll(struct exynos5_dmc *dmc, enum ddr_mode mode) +{ + unsigned long val; + + if (mode == DDR_MODE_DDR3) { + val = MEM_TERM_EN | PHY_TERM_EN | DMC_CTRL_SHGATE; + writel(val, &dmc->phycontrol0); + } + + /* Update DLL Information: Force DLL Resyncronization */ + val = readl(&dmc->phycontrol0); + val |= FP_RSYNC; + writel(val, &dmc->phycontrol0); + + /* Reset Force DLL Resyncronization */ + val = readl(&dmc->phycontrol0); + val &= ~FP_RSYNC; + writel(val, &dmc->phycontrol0); +} + +void dmc_config_mrs(struct mem_timings *mem, struct exynos5_dmc *dmc) +{ + int channel, chip; + + for (channel = 0; channel < mem->dmc_channels; channel++) { + unsigned long mask; + + mask = channel << DIRECT_CMD_CHANNEL_SHIFT; + for (chip = 0; chip < mem->chips_to_configure; chip++) { + int i; + + mask |= chip << DIRECT_CMD_CHIP_SHIFT; + + /* Sending NOP command */ + writel(DIRECT_CMD_NOP | mask, &dmc->directcmd); + + /* + * TODO(alim.akhtar@samsung.com): Do we need these + * delays? This one and the next were not there for + * DDR3. + */ + sdelay(0x10000); + + /* Sending EMRS/MRS commands */ + for (i = 0; i < MEM_TIMINGS_MSR_COUNT; i++) { + writel(mem->direct_cmd_msr[i] | mask, + &dmc->directcmd); + sdelay(0x10000); + } + + if (mem->send_zq_init) { + /* Sending ZQINIT command */ + writel(DIRECT_CMD_ZQINIT | mask, + &dmc->directcmd); + + sdelay(10000); + } + } + } +} + +void dmc_config_prech(struct mem_timings *mem, struct exynos5_dmc *dmc) +{ + int channel, chip; + + for (channel = 0; channel < mem->dmc_channels; channel++) { + unsigned long mask; + + mask = channel << DIRECT_CMD_CHANNEL_SHIFT; + for (chip = 0; chip < mem->chips_per_channel; chip++) { + mask |= chip << DIRECT_CMD_CHIP_SHIFT; + + /* PALL (all banks precharge) CMD */ + writel(DIRECT_CMD_PALL | mask, &dmc->directcmd); + sdelay(0x10000); + } + } +} + +void dmc_config_memory(struct mem_timings *mem, struct exynos5_dmc *dmc) +{ + writel(mem->memconfig, &dmc->memconfig0); + writel(mem->memconfig, &dmc->memconfig1); + writel(DMC_MEMBASECONFIG0_VAL, &dmc->membaseconfig0); + writel(DMC_MEMBASECONFIG1_VAL, &dmc->membaseconfig1); +} + +void mem_ctrl_init(int reset) +{ + struct spl_machine_param *param = spl_get_machine_params(); + struct mem_timings *mem; + int ret; + + mem = clock_get_mem_timings(); + + /* If there are any other memory variant, add their init call below */ + if (param->mem_type == DDR_MODE_DDR3) { + ret = ddr3_mem_ctrl_init(mem, param->mem_iv_size, reset); + if (ret) { + /* will hang if failed to init memory control */ + while (1) + ; + } + } else { + /* will hang if unknow memory type */ + while (1) + ; + } +} diff --git a/arch/arm/cpu/armv7/exynos/dmc_init_ddr3.c b/arch/arm/cpu/armv7/exynos/dmc_init_ddr3.c new file mode 100644 index 0000000..e03d74b --- /dev/null +++ b/arch/arm/cpu/armv7/exynos/dmc_init_ddr3.c @@ -0,0 +1,233 @@ +/* + * DDR3 mem setup file for SMDK5250 board based on EXYNOS5 + * + * Copyright (C) 2012 Samsung Electronics + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <config.h> +#include <asm/io.h> +#include <asm/arch/clock.h> +#include <asm/arch/cpu.h> +#include <asm/arch/dmc.h> +#include "common_setup.h" +#include "exynos5_setup.h" +#include "clock_init.h" + +#define RDLVL_COMPLETE_TIMEOUT 10000 + +static void reset_phy_ctrl(void) +{ + struct exynos5_clock *clk = + (struct exynos5_clock *)samsung_get_base_clock(); + + writel(DDR3PHY_CTRL_PHY_RESET_OFF, &clk->lpddr3phy_ctrl); + writel(DDR3PHY_CTRL_PHY_RESET, &clk->lpddr3phy_ctrl); +} + +int ddr3_mem_ctrl_init(struct mem_timings *mem, unsigned long mem_iv_size, + int reset) +{ + unsigned int val; + struct exynos5_phy_control *phy0_ctrl, *phy1_ctrl; + struct exynos5_dmc *dmc; + int i; + + phy0_ctrl = (struct exynos5_phy_control *)samsung_get_base_dmc_phy(); + phy1_ctrl = (struct exynos5_phy_control *)(samsung_get_base_dmc_phy() + + DMC_OFFSET); + dmc = (struct exynos5_dmc *)samsung_get_base_dmc_ctrl(); + + if (reset) + reset_phy_ctrl(); + + /* Set Impedance Output Driver */ + val = (mem->impedance << CA_CK_DRVR_DS_OFFSET) | + (mem->impedance << CA_CKE_DRVR_DS_OFFSET) | + (mem->impedance << CA_CS_DRVR_DS_OFFSET) | + (mem->impedance << CA_ADR_DRVR_DS_OFFSET); + writel(val, &phy0_ctrl->phy_con39); + writel(val, &phy1_ctrl->phy_con39); + + /* Set Read Latency and Burst Length for PHY0 and PHY1 */ + val = (mem->ctrl_bstlen << PHY_CON42_CTRL_BSTLEN_SHIFT) | + (mem->ctrl_rdlat << PHY_CON42_CTRL_RDLAT_SHIFT); + writel(val, &phy0_ctrl->phy_con42); + writel(val, &phy1_ctrl->phy_con42); + + /* ZQ Calibration */ + if (dmc_config_zq(mem, phy0_ctrl, phy1_ctrl)) + return SETUP_ERR_ZQ_CALIBRATION_FAILURE; + + /* DQ Signal */ + writel(mem->phy0_pulld_dqs, &phy0_ctrl->phy_con14); + writel(mem->phy1_pulld_dqs, &phy1_ctrl->phy_con14); + + writel(mem->concontrol | (mem->rd_fetch << CONCONTROL_RD_FETCH_SHIFT) + | (mem->dfi_init_start << CONCONTROL_DFI_INIT_START_SHIFT), + &dmc->concontrol); + + update_reset_dll(dmc, DDR_MODE_DDR3); + + /* DQS Signal */ + writel(mem->phy0_dqs, &phy0_ctrl->phy_con4); + writel(mem->phy1_dqs, &phy1_ctrl->phy_con4); + + writel(mem->phy0_dq, &phy0_ctrl->phy_con6); + writel(mem->phy1_dq, &phy1_ctrl->phy_con6); + + writel(mem->phy0_tFS, &phy0_ctrl->phy_con10); + writel(mem->phy1_tFS, &phy1_ctrl->phy_con10); + + val = (mem->ctrl_start_point << PHY_CON12_CTRL_START_POINT_SHIFT) | + (mem->ctrl_inc << PHY_CON12_CTRL_INC_SHIFT) | + (mem->ctrl_dll_on << PHY_CON12_CTRL_DLL_ON_SHIFT) | + (mem->ctrl_ref << PHY_CON12_CTRL_REF_SHIFT); + writel(val, &phy0_ctrl->phy_con12); + writel(val, &phy1_ctrl->phy_con12); + + /* Start DLL locking */ + writel(val | (mem->ctrl_start << PHY_CON12_CTRL_START_SHIFT), + &phy0_ctrl->phy_con12); + writel(val | (mem->ctrl_start << PHY_CON12_CTRL_START_SHIFT), + &phy1_ctrl->phy_con12); + + update_reset_dll(dmc, DDR_MODE_DDR3); + + writel(mem->concontrol | (mem->rd_fetch << CONCONTROL_RD_FETCH_SHIFT), + &dmc->concontrol); + + /* Memory Channel Inteleaving Size */ + writel(mem->iv_size, &dmc->ivcontrol); + + writel(mem->memconfig, &dmc->memconfig0); + writel(mem->memconfig, &dmc->memconfig1); + writel(mem->membaseconfig0, &dmc->membaseconfig0); + writel(mem->membaseconfig1, &dmc->membaseconfig1); + + /* Precharge Configuration */ + writel(mem->prechconfig_tp_cnt << PRECHCONFIG_TP_CNT_SHIFT, + &dmc->prechconfig); + + /* Power Down mode Configuration */ + writel(mem->dpwrdn_cyc << PWRDNCONFIG_DPWRDN_CYC_SHIFT | + mem->dsref_cyc << PWRDNCONFIG_DSREF_CYC_SHIFT, + &dmc->pwrdnconfig); + + /* TimingRow, TimingData, TimingPower and Timingaref + * values as per Memory AC parameters + */ + writel(mem->timing_ref, &dmc->timingref); + writel(mem->timing_row, &dmc->timingrow); + writel(mem->timing_data, &dmc->timingdata); + writel(mem->timing_power, &dmc->timingpower); + + /* Send PALL command */ + dmc_config_prech(mem, dmc); + + /* Send NOP, MRS and ZQINIT commands */ + dmc_config_mrs(mem, dmc); + + if (mem->gate_leveling_enable) { + val = PHY_CON0_RESET_VAL; + val |= P0_CMD_EN; + writel(val, &phy0_ctrl->phy_con0); + writel(val, &phy1_ctrl->phy_con0); + + val = PHY_CON2_RESET_VAL; + val |= INIT_DESKEW_EN; + writel(val, &phy0_ctrl->phy_con2); + writel(val, &phy1_ctrl->phy_con2); + + val = PHY_CON0_RESET_VAL; + val |= P0_CMD_EN; + val |= BYTE_RDLVL_EN; + writel(val, &phy0_ctrl->phy_con0); + writel(val, &phy1_ctrl->phy_con0); + + val = (mem->ctrl_start_point << + PHY_CON12_CTRL_START_POINT_SHIFT) | + (mem->ctrl_inc << PHY_CON12_CTRL_INC_SHIFT) | + (mem->ctrl_force << PHY_CON12_CTRL_FORCE_SHIFT) | + (mem->ctrl_start << PHY_CON12_CTRL_START_SHIFT) | + (mem->ctrl_ref << PHY_CON12_CTRL_REF_SHIFT); + writel(val, &phy0_ctrl->phy_con12); + writel(val, &phy1_ctrl->phy_con12); + + val = PHY_CON2_RESET_VAL; + val |= INIT_DESKEW_EN; + val |= RDLVL_GATE_EN; + writel(val, &phy0_ctrl->phy_con2); + writel(val, &phy1_ctrl->phy_con2); + + val = PHY_CON0_RESET_VAL; + val |= P0_CMD_EN; + val |= BYTE_RDLVL_EN; + val |= CTRL_SHGATE; + writel(val, &phy0_ctrl->phy_con0); + writel(val, &phy1_ctrl->phy_con0); + + val = PHY_CON1_RESET_VAL; + val &= ~(CTRL_GATEDURADJ_MASK); + writel(val, &phy0_ctrl->phy_con1); + writel(val, &phy1_ctrl->phy_con1); + + writel(CTRL_RDLVL_GATE_ENABLE, &dmc->rdlvl_config); + i = RDLVL_COMPLETE_TIMEOUT; + while ((readl(&dmc->phystatus) & + (RDLVL_COMPLETE_CHO | RDLVL_COMPLETE_CH1)) != + (RDLVL_COMPLETE_CHO | RDLVL_COMPLETE_CH1) && i > 0) { + /* + * TODO(waihong): Comment on how long this take to + * timeout + */ + sdelay(100); + i--; + } + if (!i) + return SETUP_ERR_RDLV_COMPLETE_TIMEOUT; + writel(CTRL_RDLVL_GATE_DISABLE, &dmc->rdlvl_config); + + writel(0, &phy0_ctrl->phy_con14); + writel(0, &phy1_ctrl->phy_con14); + + val = (mem->ctrl_start_point << + PHY_CON12_CTRL_START_POINT_SHIFT) | + (mem->ctrl_inc << PHY_CON12_CTRL_INC_SHIFT) | + (mem->ctrl_force << PHY_CON12_CTRL_FORCE_SHIFT) | + (mem->ctrl_start << PHY_CON12_CTRL_START_SHIFT) | + (mem->ctrl_dll_on << PHY_CON12_CTRL_DLL_ON_SHIFT) | + (mem->ctrl_ref << PHY_CON12_CTRL_REF_SHIFT); + writel(val, &phy0_ctrl->phy_con12); + writel(val, &phy1_ctrl->phy_con12); + + update_reset_dll(dmc, DDR_MODE_DDR3); + } + + /* Send PALL command */ + dmc_config_prech(mem, dmc); + + writel(mem->memcontrol, &dmc->memcontrol); + + /* Set DMC Concontrol and enable auto-refresh counter */ + writel(mem->concontrol | (mem->rd_fetch << CONCONTROL_RD_FETCH_SHIFT) + | (mem->aref_en << CONCONTROL_AREF_EN_SHIFT), &dmc->concontrol); + return 0; +} diff --git a/arch/arm/cpu/armv7/exynos/dmc_init_exynos4.c b/arch/arm/cpu/armv7/exynos/dmc_init_exynos4.c new file mode 100644 index 0000000..ecddc72 --- /dev/null +++ b/arch/arm/cpu/armv7/exynos/dmc_init_exynos4.c @@ -0,0 +1,213 @@ +/* + * Memory setup for board based on EXYNOS4210 + * + * Copyright (C) 2013 Samsung Electronics + * Rajeshwari Shinde <rajeshwari.s@samsung.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <config.h> +#include <asm/arch/dmc.h> +#include "common_setup.h" +#include "exynos4_setup.h" + +struct mem_timings mem = { + .direct_cmd_msr = { + DIRECT_CMD1, DIRECT_CMD2, DIRECT_CMD3, DIRECT_CMD4 + }, + .timingref = TIMINGREF_VAL, + .timingrow = TIMINGROW_VAL, + .timingdata = TIMINGDATA_VAL, + .timingpower = TIMINGPOWER_VAL, + .zqcontrol = ZQ_CONTROL_VAL, + .control0 = CONTROL0_VAL, + .control1 = CONTROL1_VAL, + .control2 = CONTROL2_VAL, + .concontrol = CONCONTROL_VAL, + .prechconfig = PRECHCONFIG, + .memcontrol = MEMCONTROL_VAL, + .memconfig0 = MEMCONFIG0_VAL, + .memconfig1 = MEMCONFIG1_VAL, + .dll_resync = FORCE_DLL_RESYNC, + .dll_on = DLL_CONTROL_ON, +}; +static void phy_control_reset(int ctrl_no, struct exynos4_dmc *dmc) +{ + if (ctrl_no) { + writel((mem.control1 | (1 << mem.dll_resync)), + &dmc->phycontrol1); + writel((mem.control1 | (0 << mem.dll_resync)), + &dmc->phycontrol1); + } else { + writel((mem.control0 | (0 << mem.dll_on)), + &dmc->phycontrol0); + writel((mem.control0 | (1 << mem.dll_on)), + &dmc->phycontrol0); + } +} + +static void dmc_config_mrs(struct exynos4_dmc *dmc, int chip) +{ + int i; + unsigned long mask = 0; + + if (chip) + mask = DIRECT_CMD_CHIP1_SHIFT; + + for (i = 0; i < MEM_TIMINGS_MSR_COUNT; i++) { + writel(mem.direct_cmd_msr[i] | mask, + &dmc->directcmd); + } +} + +static void dmc_init(struct exynos4_dmc *dmc) +{ + /* + * DLL Parameter Setting: + * Termination: Enable R/W + * Phase Delay for DQS Cleaning: 180' Shift + */ + writel(mem.control1, &dmc->phycontrol1); + + /* + * ZQ Calibration + * Termination: Disable + * Auto Calibration Start: Enable + */ + writel(mem.zqcontrol, &dmc->phyzqcontrol); + sdelay(0x100000); + + /* + * Update DLL Information: + * Force DLL Resyncronization + */ + phy_control_reset(1, dmc); + phy_control_reset(0, dmc); + + /* Set DLL Parameters */ + writel(mem.control1, &dmc->phycontrol1); + + /* DLL Start */ + writel((mem.control0 | CTRL_START | CTRL_DLL_ON), &dmc->phycontrol0); + + writel(mem.control2, &dmc->phycontrol2); + + /* Set Clock Ratio of Bus clock to Memory Clock */ + writel(mem.concontrol, &dmc->concontrol); + + /* + * Memor Burst length: 8 + * Number of chips: 2 + * Memory Bus width: 32 bit + * Memory Type: DDR3 + * Additional Latancy for PLL: 1 Cycle + */ + writel(mem.memcontrol, &dmc->memcontrol); + + writel(mem.memconfig0, &dmc->memconfig0); + writel(mem.memconfig1, &dmc->memconfig1); + + /* Config Precharge Policy */ + writel(mem.prechconfig, &dmc->prechconfig); + /* + * TimingAref, TimingRow, TimingData, TimingPower Setting: + * Values as per Memory AC Parameters + */ + writel(mem.timingref, &dmc->timingref); + writel(mem.timingrow, &dmc->timingrow); + writel(mem.timingdata, &dmc->timingdata); + writel(mem.timingpower, &dmc->timingpower); + + /* Chip0: NOP Command: Assert and Hold CKE to high level */ + writel(DIRECT_CMD_NOP, &dmc->directcmd); + sdelay(0x100000); + + /* Chip0: EMRS2, EMRS3, EMRS, MRS Commands Using Direct Command */ + dmc_config_mrs(dmc, 0); + sdelay(0x100000); + + /* Chip0: ZQINIT */ + writel(DIRECT_CMD_ZQ, &dmc->directcmd); + sdelay(0x100000); + + writel((DIRECT_CMD_NOP | DIRECT_CMD_CHIP1_SHIFT), &dmc->directcmd); + sdelay(0x100000); + + /* Chip1: EMRS2, EMRS3, EMRS, MRS Commands Using Direct Command */ + dmc_config_mrs(dmc, 1); + sdelay(0x100000); + + /* Chip1: ZQINIT */ + writel((DIRECT_CMD_ZQ | DIRECT_CMD_CHIP1_SHIFT), &dmc->directcmd); + sdelay(0x100000); + + phy_control_reset(1, dmc); + sdelay(0x100000); + + /* turn on DREX0, DREX1 */ + writel((mem.concontrol | AREF_EN), &dmc->concontrol); +} + +void mem_ctrl_init(int reset) +{ + struct exynos4_dmc *dmc; + + /* + * Async bridge configuration at CPU_core: + * 1: half_sync + * 0: full_sync + */ + writel(1, ASYNC_CONFIG); +#ifdef CONFIG_ORIGEN + /* Interleave: 2Bit, Interleave_bit1: 0x15, Interleave_bit0: 0x7 */ + writel(APB_SFR_INTERLEAVE_CONF_VAL, EXYNOS4_MIU_BASE + + APB_SFR_INTERLEAVE_CONF_OFFSET); + /* Update MIU Configuration */ + writel(APB_SFR_ARBRITATION_CONF_VAL, EXYNOS4_MIU_BASE + + APB_SFR_ARBRITATION_CONF_OFFSET); +#else + writel(APB_SFR_INTERLEAVE_CONF_VAL, EXYNOS4_MIU_BASE + + APB_SFR_INTERLEAVE_CONF_OFFSET); + writel(INTERLEAVE_ADDR_MAP_START_ADDR, EXYNOS4_MIU_BASE + + ABP_SFR_INTERLEAVE_ADDRMAP_START_OFFSET); + writel(INTERLEAVE_ADDR_MAP_END_ADDR, EXYNOS4_MIU_BASE + + ABP_SFR_INTERLEAVE_ADDRMAP_END_OFFSET); + writel(INTERLEAVE_ADDR_MAP_EN, EXYNOS4_MIU_BASE + + ABP_SFR_SLV_ADDRMAP_CONF_OFFSET); +#ifdef CONFIG_MIU_LINEAR + writel(SLAVE0_SINGLE_ADDR_MAP_START_ADDR, EXYNOS4_MIU_BASE + + ABP_SFR_SLV0_SINGLE_ADDRMAP_START_OFFSET); + writel(SLAVE0_SINGLE_ADDR_MAP_END_ADDR, EXYNOS4_MIU_BASE + + ABP_SFR_SLV0_SINGLE_ADDRMAP_END_OFFSET); + writel(SLAVE1_SINGLE_ADDR_MAP_START_ADDR, EXYNOS4_MIU_BASE + + ABP_SFR_SLV1_SINGLE_ADDRMAP_START_OFFSET); + writel(SLAVE1_SINGLE_ADDR_MAP_END_ADDR, EXYNOS4_MIU_BASE + + ABP_SFR_SLV1_SINGLE_ADDRMAP_END_OFFSET); + writel(APB_SFR_SLV_ADDR_MAP_CONF_VAL, EXYNOS4_MIU_BASE + + ABP_SFR_SLV_ADDRMAP_CONF_OFFSET); +#endif +#endif + /* DREX0 */ + dmc = (struct exynos4_dmc *)samsung_get_base_dmc_ctrl(); + dmc_init(dmc); + dmc = (struct exynos4_dmc *)(samsung_get_base_dmc_ctrl() + + DMC_OFFSET); + dmc_init(dmc); +} diff --git a/arch/arm/cpu/armv7/exynos/exynos4_setup.h b/arch/arm/cpu/armv7/exynos/exynos4_setup.h new file mode 100644 index 0000000..6d25058 --- /dev/null +++ b/arch/arm/cpu/armv7/exynos/exynos4_setup.h @@ -0,0 +1,594 @@ +/* + * Machine Specific Values for EXYNOS4012 based board + * + * Copyright (C) 2011 Samsung Electronics + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef _ORIGEN_SETUP_H +#define _ORIGEN_SETUP_H + +#include <config.h> +#include <version.h> +#include <asm/arch/cpu.h> + +#ifdef CONFIG_CLK_800_330_165 +#define DRAM_CLK_330 +#endif +#ifdef CONFIG_CLK_1000_200_200 +#define DRAM_CLK_200 +#endif +#ifdef CONFIG_CLK_1000_330_165 +#define DRAM_CLK_330 +#endif +#ifdef CONFIG_CLK_1000_400_200 +#define DRAM_CLK_400 +#endif + +/* Bus Configuration Register Address */ +#define ASYNC_CONFIG 0x10010350 + +/* CLK_SRC_CPU */ +#define MUX_HPM_SEL_MOUTAPLL 0x0 +#define MUX_HPM_SEL_SCLKMPLL 0x1 +#define MUX_CORE_SEL_MOUTAPLL 0x0 +#define MUX_CORE_SEL_SCLKMPLL 0x1 +#define MUX_MPLL_SEL_FILPLL 0x0 +#define MUX_MPLL_SEL_MOUTMPLLFOUT 0x1 +#define MUX_APLL_SEL_FILPLL 0x0 +#define MUX_APLL_SEL_MOUTMPLLFOUT 0x1 +#define CLK_SRC_CPU_VAL ((MUX_HPM_SEL_MOUTAPLL << 20) \ + | (MUX_CORE_SEL_MOUTAPLL << 16) \ + | (MUX_MPLL_SEL_MOUTMPLLFOUT << 8)\ + | (MUX_APLL_SEL_MOUTMPLLFOUT << 0)) + +/* CLK_DIV_CPU0 */ +#define APLL_RATIO 0x0 +#define PCLK_DBG_RATIO 0x1 +#define ATB_RATIO 0x3 +#define PERIPH_RATIO 0x3 +#define COREM1_RATIO 0x7 +#define COREM0_RATIO 0x3 +#define CORE_RATIO 0x0 +#define CLK_DIV_CPU0_VAL ((APLL_RATIO << 24) \ + | (PCLK_DBG_RATIO << 20) \ + | (ATB_RATIO << 16) \ + | (PERIPH_RATIO << 12) \ + | (COREM1_RATIO << 8) \ + | (COREM0_RATIO << 4) \ + | (CORE_RATIO << 0)) + +/* CLK_DIV_CPU1 */ +#define HPM_RATIO 0x0 +#define COPY_RATIO 0x3 +#define CLK_DIV_CPU1_VAL ((HPM_RATIO << 4) | (COPY_RATIO)) + +/* CLK_SRC_DMC */ +#define MUX_PWI_SEL_XXTI 0x0 +#define MUX_PWI_SEL_XUSBXTI 0x1 +#define MUX_PWI_SEL_SCLK_HDMI24M 0x2 +#define MUX_PWI_SEL_SCLK_USBPHY0 0x3 +#define MUX_PWI_SEL_SCLK_USBPHY1 0x4 +#define MUX_PWI_SEL_SCLK_HDMIPHY 0x5 +#define MUX_PWI_SEL_SCLKMPLL 0x6 +#define MUX_PWI_SEL_SCLKEPLL 0x7 +#define MUX_PWI_SEL_SCLKVPLL 0x8 +#define MUX_DPHY_SEL_SCLKMPLL 0x0 +#define MUX_DPHY_SEL_SCLKAPLL 0x1 +#define MUX_DMC_BUS_SEL_SCLKMPLL 0x0 +#define MUX_DMC_BUS_SEL_SCLKAPLL 0x1 +#define CLK_SRC_DMC_VAL ((MUX_PWI_SEL_XUSBXTI << 16) \ + | (MUX_DPHY_SEL_SCLKMPLL << 8) \ + | (MUX_DMC_BUS_SEL_SCLKMPLL << 4)) + +/* CLK_DIV_DMC0 */ +#define CORE_TIMERS_RATIO 0x1 +#define COPY2_RATIO 0x3 +#define DMCP_RATIO 0x1 +#define DMCD_RATIO 0x1 +#define DMC_RATIO 0x1 +#define DPHY_RATIO 0x1 +#define ACP_PCLK_RATIO 0x1 +#define ACP_RATIO 0x3 +#define CLK_DIV_DMC0_VAL ((CORE_TIMERS_RATIO << 28) \ + | (COPY2_RATIO << 24) \ + | (DMCP_RATIO << 20) \ + | (DMCD_RATIO << 16) \ + | (DMC_RATIO << 12) \ + | (DPHY_RATIO << 8) \ + | (ACP_PCLK_RATIO << 4) \ + | (ACP_RATIO << 0)) + +/* CLK_DIV_DMC1 */ +#define DPM_RATIO 0x1 +#define DVSEM_RATIO 0x1 +#define PWI_RATIO 0x1 +#define CLK_DIV_DMC1_VAL ((DPM_RATIO << 24) \ + | (DVSEM_RATIO << 16) \ + | (PWI_RATIO << 8)) + +/* CLK_SRC_TOP0 */ +#define MUX_ONENAND_SEL_ACLK_133 0x0 +#define MUX_ONENAND_SEL_ACLK_160 0x1 +#define MUX_ACLK_133_SEL_SCLKMPLL 0x0 +#define MUX_ACLK_133_SEL_SCLKAPLL 0x1 +#define MUX_ACLK_160_SEL_SCLKMPLL 0x0 +#define MUX_ACLK_160_SEL_SCLKAPLL 0x1 +#define MUX_ACLK_100_SEL_SCLKMPLL 0x0 +#define MUX_ACLK_100_SEL_SCLKAPLL 0x1 +#define MUX_ACLK_200_SEL_SCLKMPLL 0x0 +#define MUX_ACLK_200_SEL_SCLKAPLL 0x1 +#define MUX_VPLL_SEL_FINPLL 0x0 +#define MUX_VPLL_SEL_FOUTVPLL 0x1 +#define MUX_EPLL_SEL_FINPLL 0x0 +#define MUX_EPLL_SEL_FOUTEPLL 0x1 +#define MUX_ONENAND_1_SEL_MOUTONENAND 0x0 +#define MUX_ONENAND_1_SEL_SCLKVPLL 0x1 +#define CLK_SRC_TOP0_VAL ((MUX_ONENAND_SEL_ACLK_133 << 28) \ + | (MUX_ACLK_133_SEL_SCLKMPLL << 24) \ + | (MUX_ACLK_160_SEL_SCLKMPLL << 20) \ + | (MUX_ACLK_100_SEL_SCLKMPLL << 16) \ + | (MUX_ACLK_200_SEL_SCLKMPLL << 12) \ + | (MUX_VPLL_SEL_FINPLL << 8) \ + | (MUX_EPLL_SEL_FINPLL << 4)\ + | (MUX_ONENAND_1_SEL_MOUTONENAND << 0)) + +/* CLK_SRC_TOP1 */ +#define VPLLSRC_SEL_FINPLL 0x0 +#define VPLLSRC_SEL_SCLKHDMI24M 0x1 +#define CLK_SRC_TOP1_VAL (VPLLSRC_SEL_FINPLL) + +/* CLK_DIV_TOP */ +#define ONENAND_RATIO 0x0 +#define ACLK_133_RATIO 0x5 +#define ACLK_160_RATIO 0x4 +#define ACLK_100_RATIO 0x7 +#define ACLK_200_RATIO 0x3 +#define CLK_DIV_TOP_VAL ((ONENAND_RATIO << 16) \ + | (ACLK_133_RATIO << 12)\ + | (ACLK_160_RATIO << 8) \ + | (ACLK_100_RATIO << 4) \ + | (ACLK_200_RATIO << 0)) + +/* CLK_SRC_LEFTBUS */ +#define MUX_GDL_SEL_SCLKMPLL 0x0 +#define MUX_GDL_SEL_SCLKAPLL 0x1 +#define CLK_SRC_LEFTBUS_VAL (MUX_GDL_SEL_SCLKMPLL) + +/* CLK_DIV_LEFTBUS */ +#define GPL_RATIO 0x1 +#define GDL_RATIO 0x3 +#define CLK_DIV_LEFTBUS_VAL ((GPL_RATIO << 4) | (GDL_RATIO)) + +/* CLK_SRC_RIGHTBUS */ +#define MUX_GDR_SEL_SCLKMPLL 0x0 +#define MUX_GDR_SEL_SCLKAPLL 0x1 +#define CLK_SRC_RIGHTBUS_VAL (MUX_GDR_SEL_SCLKMPLL) + +/* CLK_DIV_RIGHTBUS */ +#define GPR_RATIO 0x1 +#define GDR_RATIO 0x3 +#define CLK_DIV_RIGHTBUS_VAL ((GPR_RATIO << 4) | (GDR_RATIO)) + +/* CLK_SRS_FSYS: 6 = SCLKMPLL */ +#define SATA_SEL_SCLKMPLL 0 +#define SATA_SEL_SCLKAPLL 1 + +#define MMC_SEL_XXTI 0 +#define MMC_SEL_XUSBXTI 1 +#define MMC_SEL_SCLK_HDMI24M 2 +#define MMC_SEL_SCLK_USBPHY0 3 +#define MMC_SEL_SCLK_USBPHY1 4 +#define MMC_SEL_SCLK_HDMIPHY 5 +#define MMC_SEL_SCLKMPLL 6 +#define MMC_SEL_SCLKEPLL 7 +#define MMC_SEL_SCLKVPLL 8 + +#define MMCC0_SEL MMC_SEL_SCLKMPLL +#define MMCC1_SEL MMC_SEL_SCLKMPLL +#define MMCC2_SEL MMC_SEL_SCLKMPLL +#define MMCC3_SEL MMC_SEL_SCLKMPLL +#define MMCC4_SEL MMC_SEL_SCLKMPLL +#define CLK_SRC_FSYS_VAL ((SATA_SEL_SCLKMPLL << 24) \ + | (MMCC4_SEL << 16) \ + | (MMCC3_SEL << 12) \ + | (MMCC2_SEL << 8) \ + | (MMCC1_SEL << 4) \ + | (MMCC0_SEL << 0)) + +/* SCLK_MMC[0-4] = MOUTMMC[0-4]/(MMC[0-4]_RATIO + 1)/(MMC[0-4]_PRE_RATIO +1) */ +/* CLK_DIV_FSYS1 */ +#define MMC0_RATIO 0xF +#define MMC0_PRE_RATIO 0x0 +#define MMC1_RATIO 0xF +#define MMC1_PRE_RATIO 0x0 +#define CLK_DIV_FSYS1_VAL ((MMC1_PRE_RATIO << 24) \ + | (MMC1_RATIO << 16) \ + | (MMC0_PRE_RATIO << 8) \ + | (MMC0_RATIO << 0)) + +/* CLK_DIV_FSYS2 */ +#define MMC2_RATIO 0xF +#define MMC2_PRE_RATIO 0x0 +#define MMC3_RATIO 0xF +#define MMC3_PRE_RATIO 0x0 +#define CLK_DIV_FSYS2_VAL ((MMC3_PRE_RATIO << 24) \ + | (MMC3_RATIO << 16) \ + | (MMC2_PRE_RATIO << 8) \ + | (MMC2_RATIO << 0)) + +/* CLK_DIV_FSYS3 */ +#define MMC4_RATIO 0xF +#define MMC4_PRE_RATIO 0x0 +#define CLK_DIV_FSYS3_VAL ((MMC4_PRE_RATIO << 8) \ + | (MMC4_RATIO << 0)) + +/* CLK_SRC_PERIL0 */ +#define UART_SEL_XXTI 0 +#define UART_SEL_XUSBXTI 1 +#define UART_SEL_SCLK_HDMI24M 2 +#define UART_SEL_SCLK_USBPHY0 3 +#define UART_SEL_SCLK_USBPHY1 4 +#define UART_SEL_SCLK_HDMIPHY 5 +#define UART_SEL_SCLKMPLL 6 +#define UART_SEL_SCLKEPLL 7 +#define UART_SEL_SCLKVPLL 8 + +#define UART0_SEL UART_SEL_SCLKMPLL +#define UART1_SEL UART_SEL_SCLKMPLL +#define UART2_SEL UART_SEL_SCLKMPLL +#define UART3_SEL UART_SEL_SCLKMPLL +#define UART4_SEL UART_SEL_SCLKMPLL +#define CLK_SRC_PERIL0_VAL ((UART4_SEL << 16) \ + | (UART3_SEL << 12) \ + | (UART2_SEL << 8) \ + | (UART1_SEL << 4) \ + | (UART0_SEL << 0)) + +/* SCLK_UART[0-4] = MOUTUART[0-4]/(UART[0-4]_RATIO + 1) */ +/* CLK_DIV_PERIL0 */ +#define UART0_RATIO 7 +#define UART1_RATIO 7 +#define UART2_RATIO 7 +#define UART3_RATIO 7 +#define UART4_RATIO 7 +#define CLK_DIV_PERIL0_VAL ((UART4_RATIO << 16) \ + | (UART3_RATIO << 12) \ + | (UART2_RATIO << 8) \ + | (UART1_RATIO << 4) \ + | (UART0_RATIO << 0)) + +/* Clock Source CAM/FIMC */ +/* CLK_SRC_CAM */ +#define CAM0_SEL_XUSBXTI 1 +#define CAM1_SEL_XUSBXTI 1 +#define CSIS0_SEL_XUSBXTI 1 +#define CSIS1_SEL_XUSBXTI 1 + +#define FIMC_SEL_SCLKMPLL 6 +#define FIMC0_LCLK_SEL FIMC_SEL_SCLKMPLL +#define FIMC1_LCLK_SEL FIMC_SEL_SCLKMPLL +#define FIMC2_LCLK_SEL FIMC_SEL_SCLKMPLL +#define FIMC3_LCLK_SEL FIMC_SEL_SCLKMPLL + +#define CLK_SRC_CAM_VAL ((CSIS1_SEL_XUSBXTI << 28) \ + | (CSIS0_SEL_XUSBXTI << 24) \ + | (CAM1_SEL_XUSBXTI << 20) \ + | (CAM0_SEL_XUSBXTI << 16) \ + | (FIMC3_LCLK_SEL << 12) \ + | (FIMC2_LCLK_SEL << 8) \ + | (FIMC1_LCLK_SEL << 4) \ + | (FIMC0_LCLK_SEL << 0)) + +/* SCLK CAM */ +/* CLK_DIV_CAM */ +#define FIMC0_LCLK_RATIO 4 +#define FIMC1_LCLK_RATIO 4 +#define FIMC2_LCLK_RATIO 4 +#define FIMC3_LCLK_RATIO 4 +#define CLK_DIV_CAM_VAL ((FIMC3_LCLK_RATIO << 12) \ + | (FIMC2_LCLK_RATIO << 8) \ + | (FIMC1_LCLK_RATIO << 4) \ + | (FIMC0_LCLK_RATIO << 0)) + +/* SCLK MFC */ +/* CLK_SRC_MFC */ +#define MFC_SEL_MPLL 0 +#define MOUTMFC_0 0 +#define MFC_SEL MOUTMFC_0 +#define MFC_0_SEL MFC_SEL_MPLL +#define CLK_SRC_MFC_VAL ((MFC_SEL << 8) | (MFC_0_SEL)) + + +/* CLK_DIV_MFC */ +#define MFC_RATIO 3 +#define CLK_DIV_MFC_VAL (MFC_RATIO) + +/* SCLK G3D */ +/* CLK_SRC_G3D */ +#define G3D_SEL_MPLL 0 +#define MOUTG3D_0 0 +#define G3D_SEL MOUTG3D_0 +#define G3D_0_SEL G3D_SEL_MPLL +#define CLK_SRC_G3D_VAL ((G3D_SEL << 8) | (G3D_0_SEL)) + +/* CLK_DIV_G3D */ +#define G3D_RATIO 1 +#define CLK_DIV_G3D_VAL (G3D_RATIO) + +/* SCLK LCD0 */ +/* CLK_SRC_LCD0 */ +#define FIMD_SEL_SCLKMPLL 6 +#define MDNIE0_SEL_XUSBXTI 1 +#define MDNIE_PWM0_SEL_XUSBXTI 1 +#define MIPI0_SEL_XUSBXTI 1 +#define CLK_SRC_LCD0_VAL ((MIPI0_SEL_XUSBXTI << 12) \ + | (MDNIE_PWM0_SEL_XUSBXTI << 8) \ + | (MDNIE0_SEL_XUSBXTI << 4) \ + | (FIMD_SEL_SCLKMPLL << 0)) + +/* CLK_DIV_LCD0 */ +#define FIMD0_RATIO 4 +#define CLK_DIV_LCD0_VAL (FIMD0_RATIO) + +/* Required period to generate a stable clock output */ +/* PLL_LOCK_TIME */ +#define PLL_LOCKTIME 0x1C20 + +/* PLL Values */ +#define DISABLE 0 +#define ENABLE 1 +#define SET_PLL(mdiv, pdiv, sdiv) ((ENABLE << 31)\ + | (mdiv << 16) \ + | (pdiv << 8) \ + | (sdiv << 0)) + +/* APLL_CON0 */ +#define APLL_MDIV 0xFA +#define APLL_PDIV 0x6 +#define APLL_SDIV 0x1 +#define APLL_CON0_VAL SET_PLL(APLL_MDIV, APLL_PDIV, APLL_SDIV) + +/* APLL_CON1 */ +#define APLL_AFC_ENB 0x1 +#define APLL_AFC 0xC +#define APLL_CON1_VAL ((APLL_AFC_ENB << 31) | (APLL_AFC << 0)) + +/* MPLL_CON0 */ +#define MPLL_MDIV 0xC8 +#define MPLL_PDIV 0x6 +#define MPLL_SDIV 0x1 +#define MPLL_CON0_VAL SET_PLL(MPLL_MDIV, MPLL_PDIV, MPLL_SDIV) + +/* MPLL_CON1 */ +#define MPLL_AFC_ENB 0x0 +#define MPLL_AFC 0x1C +#define MPLL_CON1_VAL ((MPLL_AFC_ENB << 31) | (MPLL_AFC << 0)) + +/* EPLL_CON0 */ +#define EPLL_MDIV 0x30 +#define EPLL_PDIV 0x3 +#define EPLL_SDIV 0x2 +#define EPLL_CON0_VAL SET_PLL(EPLL_MDIV, EPLL_PDIV, EPLL_SDIV) + +/* EPLL_CON1 */ +#define EPLL_K 0x0 +#define EPLL_CON1_VAL (EPLL_K >> 0) + +/* VPLL_CON0 */ +#define VPLL_MDIV 0x35 +#define VPLL_PDIV 0x3 +#define VPLL_SDIV 0x2 +#define VPLL_CON0_VAL SET_PLL(VPLL_MDIV, VPLL_PDIV, VPLL_SDIV) + +/* VPLL_CON1 */ +#define VPLL_SSCG_EN DISABLE +#define VPLL_SEL_PF_DN_SPREAD 0x0 +#define VPLL_MRR 0x11 +#define VPLL_MFR 0x0 +#define VPLL_K 0x400 +#define VPLL_CON1_VAL ((VPLL_SSCG_EN << 31)\ + | (VPLL_SEL_PF_DN_SPREAD << 29) \ + | (VPLL_MRR << 24) \ + | (VPLL_MFR << 16) \ + | (VPLL_K << 0)) + +/* DMC */ +#define DIRECT_CMD_NOP 0x07000000 +#define DIRECT_CMD_ZQ 0x0a000000 +#define DIRECT_CMD_CHIP1_SHIFT (1 << 20) +#define MEM_TIMINGS_MSR_COUNT 4 +#define CTRL_START (1 << 0) +#define CTRL_DLL_ON (1 << 1) +#define AREF_EN (1 << 5) +#define DRV_TYPE (1 << 6) + +struct mem_timings { + unsigned direct_cmd_msr[MEM_TIMINGS_MSR_COUNT]; + unsigned timingref; + unsigned timingrow; + unsigned timingdata; + unsigned timingpower; + unsigned zqcontrol; + unsigned control0; + unsigned control1; + unsigned control2; + unsigned concontrol; + unsigned prechconfig; + unsigned memcontrol; + unsigned memconfig0; + unsigned memconfig1; + unsigned dll_resync; + unsigned dll_on; +}; + +/* MIU */ +/* MIU Config Register Offsets*/ +#define APB_SFR_INTERLEAVE_CONF_OFFSET 0x400 +#define APB_SFR_ARBRITATION_CONF_OFFSET 0xC00 +#define ABP_SFR_SLV_ADDRMAP_CONF_OFFSET 0x800 +#define ABP_SFR_INTERLEAVE_ADDRMAP_START_OFFSET 0x808 +#define ABP_SFR_INTERLEAVE_ADDRMAP_END_OFFSET 0x810 +#define ABP_SFR_SLV0_SINGLE_ADDRMAP_START_OFFSET 0x818 +#define ABP_SFR_SLV0_SINGLE_ADDRMAP_END_OFFSET 0x820 +#define ABP_SFR_SLV1_SINGLE_ADDRMAP_START_OFFSET 0x828 +#define ABP_SFR_SLV1_SINGLE_ADDRMAP_END_OFFSET 0x830 + +#ifdef CONFIG_ORIGEN +/* Interleave: 2Bit, Interleave_bit1: 0x15, Interleave_bit0: 0x7 */ +#define APB_SFR_INTERLEAVE_CONF_VAL 0x20001507 +#define APB_SFR_ARBRITATION_CONF_VAL 0x00000001 +#endif + +#define INTERLEAVE_ADDR_MAP_START_ADDR 0x40000000 +#define INTERLEAVE_ADDR_MAP_END_ADDR 0xbfffffff +#define INTERLEAVE_ADDR_MAP_EN 0x00000001 + +#ifdef CONFIG_MIU_1BIT_INTERLEAVED +/* Interleave_bit0: 0xC*/ +#define APB_SFR_INTERLEAVE_CONF_VAL 0x0000000c +#endif +#ifdef CONFIG_MIU_2BIT_INTERLEAVED +/* Interleave: 2Bit, Interleave_bit1: 0x15, Interleave_bit0: 0xc */ +#define APB_SFR_INTERLEAVE_CONF_VAL 0x2000150c +#endif +#define SLAVE0_SINGLE_ADDR_MAP_START_ADDR 0x40000000 +#define SLAVE0_SINGLE_ADDR_MAP_END_ADDR 0x7fffffff +#define SLAVE1_SINGLE_ADDR_MAP_START_ADDR 0x80000000 +#define SLAVE1_SINGLE_ADDR_MAP_END_ADDR 0xbfffffff +/* Enable SME0 and SME1*/ +#define APB_SFR_SLV_ADDR_MAP_CONF_VAL 0x00000006 + +#define FORCE_DLL_RESYNC 3 +#define DLL_CONTROL_ON 1 + +#define DIRECT_CMD1 0x00020000 +#define DIRECT_CMD2 0x00030000 +#define DIRECT_CMD3 0x00010002 +#define DIRECT_CMD4 0x00000328 + +#define CTRL_ZQ_MODE_NOTERM (0x1 << 0) +#define CTRL_ZQ_START (0x1 << 1) +#define CTRL_ZQ_DIV (0 << 4) +#define CTRL_ZQ_MODE_DDS (0x7 << 8) +#define CTRL_ZQ_MODE_TERM (0x2 << 11) +#define CTRL_ZQ_FORCE_IMPN (0x5 << 14) +#define CTRL_ZQ_FORCE_IMPP (0x6 << 17) +#define CTRL_DCC (0xE38 << 20) +#define ZQ_CONTROL_VAL (CTRL_ZQ_MODE_NOTERM | CTRL_ZQ_START\ + | CTRL_ZQ_DIV | CTRL_ZQ_MODE_DDS\ + | CTRL_ZQ_MODE_TERM | CTRL_ZQ_FORCE_IMPN\ + | CTRL_ZQ_FORCE_IMPP | CTRL_DCC) + +#define ASYNC (0 << 0) +#define CLK_RATIO (1 << 1) +#define DIV_PIPE (1 << 3) +#define AWR_ON (1 << 4) +#define AREF_DISABLE (0 << 5) +#define DRV_TYPE_DISABLE (0 << 6) +#define CHIP0_NOT_EMPTY (0 << 8) +#define CHIP1_NOT_EMPTY (0 << 9) +#define DQ_SWAP_DISABLE (0 << 10) +#define QOS_FAST_DISABLE (0 << 11) +#define RD_FETCH (0x3 << 12) +#define TIMEOUT_LEVEL0 (0xFFF << 16) +#define CONCONTROL_VAL (ASYNC | CLK_RATIO | DIV_PIPE | AWR_ON\ + | AREF_DISABLE | DRV_TYPE_DISABLE\ + | CHIP0_NOT_EMPTY | CHIP1_NOT_EMPTY\ + | DQ_SWAP_DISABLE | QOS_FAST_DISABLE\ + | RD_FETCH | TIMEOUT_LEVEL0) + +#define CLK_STOP_DISABLE (0 << 1) +#define DPWRDN_DISABLE (0 << 2) +#define DPWRDN_TYPE (0 << 3) +#define TP_DISABLE (0 << 4) +#define DSREF_DIABLE (0 << 5) +#define ADD_LAT_PALL (1 << 6) +#define MEM_TYPE_DDR3 (0x6 << 8) +#define MEM_WIDTH_32 (0x2 << 12) +#define NUM_CHIP_2 (1 << 16) +#define BL_8 (0x3 << 20) +#define MEMCONTROL_VAL (CLK_STOP_DISABLE | DPWRDN_DISABLE\ + | DPWRDN_TYPE | TP_DISABLE | DSREF_DIABLE\ + | ADD_LAT_PALL | MEM_TYPE_DDR3 | MEM_WIDTH_32\ + | NUM_CHIP_2 | BL_8) + + +#define CHIP_BANK_8 (0x3 << 0) +#define CHIP_ROW_14 (0x2 << 4) +#define CHIP_COL_10 (0x3 << 8) +#define CHIP_MAP_INTERLEAVED (1 << 12) +#define CHIP_MASK (0xe0 << 16) +#ifdef CONFIG_MIU_LINEAR +#define CHIP0_BASE (0x40 << 24) +#define CHIP1_BASE (0x60 << 24) +#else +#define CHIP0_BASE (0x20 << 24) +#define CHIP1_BASE (0x40 << 24) +#endif +#define MEMCONFIG0_VAL (CHIP_BANK_8 | CHIP_ROW_14 | CHIP_COL_10\ + | CHIP_MAP_INTERLEAVED | CHIP_MASK | CHIP0_BASE) +#define MEMCONFIG1_VAL (CHIP_BANK_8 | CHIP_ROW_14 | CHIP_COL_10\ + | CHIP_MAP_INTERLEAVED | CHIP_MASK | CHIP1_BASE) + +#define TP_CNT (0xff << 24) +#define PRECHCONFIG TP_CNT + +#define CTRL_OFF (0 << 0) +#define CTRL_DLL_OFF (0 << 1) +#define CTRL_HALF (0 << 2) +#define CTRL_DFDQS (1 << 3) +#define DQS_DELAY (0 << 4) +#define CTRL_START_POINT (0x10 << 8) +#define CTRL_INC (0x10 << 16) +#define CTRL_FORCE (0x71 << 24) +#define CONTROL0_VAL (CTRL_OFF | CTRL_DLL_OFF | CTRL_HALF\ + | CTRL_DFDQS | DQS_DELAY | CTRL_START_POINT\ + | CTRL_INC | CTRL_FORCE) + +#define CTRL_SHIFTC (0x6 << 0) +#define CTRL_REF (8 << 4) +#define CTRL_SHGATE (1 << 29) +#define TERM_READ_EN (1 << 30) +#define TERM_WRITE_EN (1 << 31) +#define CONTROL1_VAL (CTRL_SHIFTC | CTRL_REF | CTRL_SHGATE\ + | TERM_READ_EN | TERM_WRITE_EN) + +#define CONTROL2_VAL 0x00000000 + +#ifdef CONFIG_ORIGEN +#define TIMINGREF_VAL 0x000000BB +#define TIMINGROW_VAL 0x4046654f +#define TIMINGDATA_VAL 0x46400506 +#define TIMINGPOWER_VAL 0x52000A3C +#else +#define TIMINGREF_VAL 0x000000BC +#ifdef DRAM_CLK_330 +#define TIMINGROW_VAL 0x3545548d +#define TIMINGDATA_VAL 0x45430506 +#define TIMINGPOWER_VAL 0x4439033c +#endif +#ifdef DRAM_CLK_400 +#define TIMINGROW_VAL 0x45430506 +#define TIMINGDATA_VAL 0x56500506 +#define TIMINGPOWER_VAL 0x5444033d +#endif +#endif +#endif diff --git a/arch/arm/cpu/armv7/exynos/exynos5_setup.h b/arch/arm/cpu/armv7/exynos/exynos5_setup.h new file mode 100644 index 0000000..8f36c16 --- /dev/null +++ b/arch/arm/cpu/armv7/exynos/exynos5_setup.h @@ -0,0 +1,567 @@ +/* + * Machine Specific Values for SMDK5250 board based on EXYNOS5 + * + * Copyright (C) 2012 Samsung Electronics + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef _SMDK5250_SETUP_H +#define _SMDK5250_SETUP_H + +#include <config.h> +#include <asm/arch/dmc.h> + +/* APLL_CON1 */ +#define APLL_CON1_VAL (0x00203800) + +/* MPLL_CON1 */ +#define MPLL_CON1_VAL (0x00203800) + +/* CPLL_CON1 */ +#define CPLL_CON1_VAL (0x00203800) + +/* GPLL_CON1 */ +#define GPLL_CON1_VAL (0x00203800) + +/* EPLL_CON1, CON2 */ +#define EPLL_CON1_VAL 0x00000000 +#define EPLL_CON2_VAL 0x00000080 + +/* VPLL_CON1, CON2 */ +#define VPLL_CON1_VAL 0x00000000 +#define VPLL_CON2_VAL 0x00000080 + +/* BPLL_CON1 */ +#define BPLL_CON1_VAL 0x00203800 + +/* Set PLL */ +#define set_pll(mdiv, pdiv, sdiv) (1<<31 | mdiv<<16 | pdiv<<8 | sdiv) + +/* CLK_SRC_CPU */ +/* 0 = MOUTAPLL, 1 = SCLKMPLL */ +#define MUX_HPM_SEL 0 +#define MUX_CPU_SEL 0 +#define MUX_APLL_SEL 1 + +#define CLK_SRC_CPU_VAL ((MUX_HPM_SEL << 20) \ + | (MUX_CPU_SEL << 16) \ + | (MUX_APLL_SEL)) + +/* MEMCONTROL register bit fields */ +#define DMC_MEMCONTROL_CLK_STOP_DISABLE (0 << 0) +#define DMC_MEMCONTROL_DPWRDN_DISABLE (0 << 1) +#define DMC_MEMCONTROL_DPWRDN_ACTIVE_PRECHARGE (0 << 2) +#define DMC_MEMCONTROL_TP_DISABLE (0 << 4) +#define DMC_MEMCONTROL_DSREF_DISABLE (0 << 5) +#define DMC_MEMCONTROL_DSREF_ENABLE (1 << 5) +#define DMC_MEMCONTROL_ADD_LAT_PALL_CYCLE(x) (x << 6) + +#define DMC_MEMCONTROL_MEM_TYPE_LPDDR3 (7 << 8) +#define DMC_MEMCONTROL_MEM_TYPE_DDR3 (6 << 8) +#define DMC_MEMCONTROL_MEM_TYPE_LPDDR2 (5 << 8) + +#define DMC_MEMCONTROL_MEM_WIDTH_32BIT (2 << 12) + +#define DMC_MEMCONTROL_NUM_CHIP_1 (0 << 16) +#define DMC_MEMCONTROL_NUM_CHIP_2 (1 << 16) + +#define DMC_MEMCONTROL_BL_8 (3 << 20) +#define DMC_MEMCONTROL_BL_4 (2 << 20) + +#define DMC_MEMCONTROL_PZQ_DISABLE (0 << 24) + +#define DMC_MEMCONTROL_MRR_BYTE_7_0 (0 << 25) +#define DMC_MEMCONTROL_MRR_BYTE_15_8 (1 << 25) +#define DMC_MEMCONTROL_MRR_BYTE_23_16 (2 << 25) +#define DMC_MEMCONTROL_MRR_BYTE_31_24 (3 << 25) + +/* MEMCONFIG0 register bit fields */ +#define DMC_MEMCONFIGX_CHIP_MAP_INTERLEAVED (1 << 12) +#define DMC_MEMCONFIGX_CHIP_COL_10 (3 << 8) +#define DMC_MEMCONFIGX_CHIP_ROW_14 (2 << 4) +#define DMC_MEMCONFIGX_CHIP_ROW_15 (3 << 4) +#define DMC_MEMCONFIGX_CHIP_BANK_8 (3 << 0) + +#define DMC_MEMBASECONFIGX_CHIP_BASE(x) (x << 16) +#define DMC_MEMBASECONFIGX_CHIP_MASK(x) (x << 0) +#define DMC_MEMBASECONFIG_VAL(x) ( \ + DMC_MEMBASECONFIGX_CHIP_BASE(x) | \ + DMC_MEMBASECONFIGX_CHIP_MASK(0x780) \ +) + +#define DMC_MEMBASECONFIG0_VAL DMC_MEMBASECONFIG_VAL(0x40) +#define DMC_MEMBASECONFIG1_VAL DMC_MEMBASECONFIG_VAL(0x80) + +#define DMC_PRECHCONFIG_VAL 0xFF000000 +#define DMC_PWRDNCONFIG_VAL 0xFFFF00FF + +#define DMC_CONCONTROL_RESET_VAL 0x0FFF0000 +#define DFI_INIT_START (1 << 28) +#define EMPTY (1 << 8) +#define AREF_EN (1 << 5) + +#define DFI_INIT_COMPLETE_CHO (1 << 2) +#define DFI_INIT_COMPLETE_CH1 (1 << 3) + +#define RDLVL_COMPLETE_CHO (1 << 14) +#define RDLVL_COMPLETE_CH1 (1 << 15) + +#define CLK_STOP_EN (1 << 0) +#define DPWRDN_EN (1 << 1) +#define DSREF_EN (1 << 5) + +/* COJCONTROL register bit fields */ +#define DMC_CONCONTROL_IO_PD_CON_DISABLE (0 << 3) +#define DMC_CONCONTROL_AREF_EN_DISABLE (0 << 5) +#define DMC_CONCONTROL_EMPTY_DISABLE (0 << 8) +#define DMC_CONCONTROL_EMPTY_ENABLE (1 << 8) +#define DMC_CONCONTROL_RD_FETCH_DISABLE (0x0 << 12) +#define DMC_CONCONTROL_TIMEOUT_LEVEL0 (0xFFF << 16) +#define DMC_CONCONTROL_DFI_INIT_START_DISABLE (0 << 28) + +/* CLK_DIV_CPU0_VAL */ +#define CLK_DIV_CPU0_VAL ((ARM2_RATIO << 28) \ + | (APLL_RATIO << 24) \ + | (PCLK_DBG_RATIO << 20) \ + | (ATB_RATIO << 16) \ + | (PERIPH_RATIO << 12) \ + | (ACP_RATIO << 8) \ + | (CPUD_RATIO << 4) \ + | (ARM_RATIO)) + + +/* CLK_FSYS */ +#define CLK_SRC_FSYS0_VAL 0x66666 +#define CLK_DIV_FSYS0_VAL 0x0BB00000 + +/* CLK_DIV_CPU1 */ +#define HPM_RATIO 0x2 +#define COPY_RATIO 0x0 + +/* CLK_DIV_CPU1 = 0x00000003 */ +#define CLK_DIV_CPU1_VAL ((HPM_RATIO << 4) \ + | (COPY_RATIO)) + +/* CLK_SRC_CORE0 */ +#define CLK_SRC_CORE0_VAL 0x00000000 + +/* CLK_SRC_CORE1 */ +#define CLK_SRC_CORE1_VAL 0x100 + +/* CLK_DIV_CORE0 */ +#define CLK_DIV_CORE0_VAL 0x00120000 + +/* CLK_DIV_CORE1 */ +#define CLK_DIV_CORE1_VAL 0x07070700 + +/* CLK_DIV_SYSRGT */ +#define CLK_DIV_SYSRGT_VAL 0x00000111 + +/* CLK_DIV_ACP */ +#define CLK_DIV_ACP_VAL 0x12 + +/* CLK_DIV_SYSLFT */ +#define CLK_DIV_SYSLFT_VAL 0x00000311 + +/* CLK_SRC_CDREX */ +#define CLK_SRC_CDREX_VAL 0x1 + +/* CLK_DIV_CDREX */ +#define MCLK_CDREX2_RATIO 0x0 +#define ACLK_EFCON_RATIO 0x1 +#define MCLK_DPHY_RATIO 0x1 +#define MCLK_CDREX_RATIO 0x1 +#define ACLK_C2C_200_RATIO 0x1 +#define C2C_CLK_400_RATIO 0x1 +#define PCLK_CDREX_RATIO 0x1 +#define ACLK_CDREX_RATIO 0x1 + +#define CLK_DIV_CDREX_VAL ((MCLK_DPHY_RATIO << 24) \ + | (C2C_CLK_400_RATIO << 6) \ + | (PCLK_CDREX_RATIO << 4) \ + | (ACLK_CDREX_RATIO)) + +/* CLK_SRC_TOP0 */ +#define MUX_ACLK_300_GSCL_SEL 0x0 +#define MUX_ACLK_300_GSCL_MID_SEL 0x0 +#define MUX_ACLK_400_G3D_MID_SEL 0x0 +#define MUX_ACLK_333_SEL 0x0 +#define MUX_ACLK_300_DISP1_SEL 0x0 +#define MUX_ACLK_300_DISP1_MID_SEL 0x0 +#define MUX_ACLK_200_SEL 0x0 +#define MUX_ACLK_166_SEL 0x0 +#define CLK_SRC_TOP0_VAL ((MUX_ACLK_300_GSCL_SEL << 25) \ + | (MUX_ACLK_300_GSCL_MID_SEL << 24) \ + | (MUX_ACLK_400_G3D_MID_SEL << 20) \ + | (MUX_ACLK_333_SEL << 16) \ + | (MUX_ACLK_300_DISP1_SEL << 15) \ + | (MUX_ACLK_300_DISP1_MID_SEL << 14) \ + | (MUX_ACLK_200_SEL << 12) \ + | (MUX_ACLK_166_SEL << 8)) + +/* CLK_SRC_TOP1 */ +#define MUX_ACLK_400_G3D_SEL 0x1 +#define MUX_ACLK_400_ISP_SEL 0x0 +#define MUX_ACLK_400_IOP_SEL 0x0 +#define MUX_ACLK_MIPI_HSI_TXBASE_SEL 0x0 +#define MUX_ACLK_300_GSCL_MID1_SEL 0x0 +#define MUX_ACLK_300_DISP1_MID1_SEL 0x0 +#define CLK_SRC_TOP1_VAL ((MUX_ACLK_400_G3D_SEL << 28) \ + |(MUX_ACLK_400_ISP_SEL << 24) \ + |(MUX_ACLK_400_IOP_SEL << 20) \ + |(MUX_ACLK_MIPI_HSI_TXBASE_SEL << 16) \ + |(MUX_ACLK_300_GSCL_MID1_SEL << 12) \ + |(MUX_ACLK_300_DISP1_MID1_SEL << 8)) + +/* CLK_SRC_TOP2 */ +#define MUX_GPLL_SEL 0x1 +#define MUX_BPLL_USER_SEL 0x0 +#define MUX_MPLL_USER_SEL 0x0 +#define MUX_VPLL_SEL 0x1 +#define MUX_EPLL_SEL 0x1 +#define MUX_CPLL_SEL 0x1 +#define VPLLSRC_SEL 0x0 +#define CLK_SRC_TOP2_VAL ((MUX_GPLL_SEL << 28) \ + | (MUX_BPLL_USER_SEL << 24) \ + | (MUX_MPLL_USER_SEL << 20) \ + | (MUX_VPLL_SEL << 16) \ + | (MUX_EPLL_SEL << 12) \ + | (MUX_CPLL_SEL << 8) \ + | (VPLLSRC_SEL)) +/* CLK_SRC_TOP3 */ +#define MUX_ACLK_333_SUB_SEL 0x1 +#define MUX_ACLK_400_SUB_SEL 0x1 +#define MUX_ACLK_266_ISP_SUB_SEL 0x1 +#define MUX_ACLK_266_GPS_SUB_SEL 0x0 +#define MUX_ACLK_300_GSCL_SUB_SEL 0x1 +#define MUX_ACLK_266_GSCL_SUB_SEL 0x1 +#define MUX_ACLK_300_DISP1_SUB_SEL 0x1 +#define MUX_ACLK_200_DISP1_SUB_SEL 0x1 +#define CLK_SRC_TOP3_VAL ((MUX_ACLK_333_SUB_SEL << 24) \ + | (MUX_ACLK_400_SUB_SEL << 20) \ + | (MUX_ACLK_266_ISP_SUB_SEL << 16) \ + | (MUX_ACLK_266_GPS_SUB_SEL << 12) \ + | (MUX_ACLK_300_GSCL_SUB_SEL << 10) \ + | (MUX_ACLK_266_GSCL_SUB_SEL << 8) \ + | (MUX_ACLK_300_DISP1_SUB_SEL << 6) \ + | (MUX_ACLK_200_DISP1_SUB_SEL << 4)) + +/* CLK_DIV_TOP0 */ +#define ACLK_300_DISP1_RATIO 0x2 +#define ACLK_400_G3D_RATIO 0x0 +#define ACLK_333_RATIO 0x0 +#define ACLK_266_RATIO 0x2 +#define ACLK_200_RATIO 0x3 +#define ACLK_166_RATIO 0x1 +#define ACLK_133_RATIO 0x1 +#define ACLK_66_RATIO 0x5 + +#define CLK_DIV_TOP0_VAL ((ACLK_300_DISP1_RATIO << 28) \ + | (ACLK_400_G3D_RATIO << 24) \ + | (ACLK_333_RATIO << 20) \ + | (ACLK_266_RATIO << 16) \ + | (ACLK_200_RATIO << 12) \ + | (ACLK_166_RATIO << 8) \ + | (ACLK_133_RATIO << 4) \ + | (ACLK_66_RATIO)) + +/* CLK_DIV_TOP1 */ +#define ACLK_MIPI_HSI_TX_BASE_RATIO 0x3 +#define ACLK_66_PRE_RATIO 0x1 +#define ACLK_400_ISP_RATIO 0x1 +#define ACLK_400_IOP_RATIO 0x1 +#define ACLK_300_GSCL_RATIO 0x2 + +#define CLK_DIV_TOP1_VAL ((ACLK_MIPI_HSI_TX_BASE_RATIO << 28) \ + | (ACLK_66_PRE_RATIO << 24) \ + | (ACLK_400_ISP_RATIO << 20) \ + | (ACLK_400_IOP_RATIO << 16) \ + | (ACLK_300_GSCL_RATIO << 12)) + +/* APLL_LOCK */ +#define APLL_LOCK_VAL (0x546) +/* MPLL_LOCK */ +#define MPLL_LOCK_VAL (0x546) +/* CPLL_LOCK */ +#define CPLL_LOCK_VAL (0x546) +/* GPLL_LOCK */ +#define GPLL_LOCK_VAL (0x546) +/* EPLL_LOCK */ +#define EPLL_LOCK_VAL (0x3A98) +/* VPLL_LOCK */ +#define VPLL_LOCK_VAL (0x3A98) +/* BPLL_LOCK */ +#define BPLL_LOCK_VAL (0x546) + +#define MUX_APLL_SEL_MASK (1 << 0) +#define MUX_MPLL_SEL_MASK (1 << 8) +#define MPLL_SEL_MOUT_MPLLFOUT (2 << 8) +#define MUX_CPLL_SEL_MASK (1 << 8) +#define MUX_EPLL_SEL_MASK (1 << 12) +#define MUX_VPLL_SEL_MASK (1 << 16) +#define MUX_GPLL_SEL_MASK (1 << 28) +#define MUX_BPLL_SEL_MASK (1 << 0) +#define MUX_HPM_SEL_MASK (1 << 20) +#define HPM_SEL_SCLK_MPLL (1 << 21) +#define APLL_CON0_LOCKED (1 << 29) +#define MPLL_CON0_LOCKED (1 << 29) +#define BPLL_CON0_LOCKED (1 << 29) +#define CPLL_CON0_LOCKED (1 << 29) +#define EPLL_CON0_LOCKED (1 << 29) +#define GPLL_CON0_LOCKED (1 << 29) +#define VPLL_CON0_LOCKED (1 << 29) +#define CLK_REG_DISABLE 0x0 +#define TOP2_VAL 0x0110000 + +/* CLK_SRC_PERIC0 */ +#define PWM_SEL 6 +#define UART3_SEL 6 +#define UART2_SEL 6 +#define UART1_SEL 6 +#define UART0_SEL 6 +/* SRC_CLOCK = SCLK_MPLL */ +#define CLK_SRC_PERIC0_VAL ((PWM_SEL << 24) \ + | (UART3_SEL << 12) \ + | (UART2_SEL << 8) \ + | (UART1_SEL << 4) \ + | (UART0_SEL)) + +/* CLK_SRC_PERIC1 */ +/* SRC_CLOCK = SCLK_MPLL */ +#define SPI0_SEL 6 +#define SPI1_SEL 6 +#define SPI2_SEL 6 +#define CLK_SRC_PERIC1_VAL ((SPI2_SEL << 24) \ + | (SPI1_SEL << 20) \ + | (SPI0_SEL << 16)) + +/* SCLK_SRC_ISP - set SPI0/1 to 6 = SCLK_MPLL_USER */ +#define SPI0_ISP_SEL 6 +#define SPI1_ISP_SEL 6 +#define SCLK_SRC_ISP_VAL (SPI1_ISP_SEL << 4) \ + | (SPI0_ISP_SEL << 0) + +/* SCLK_DIV_ISP - set SPI0/1 to 0xf = divide by 16 */ +#define SPI0_ISP_RATIO 0xf +#define SPI1_ISP_RATIO 0xf +#define SCLK_DIV_ISP_VAL (SPI1_ISP_RATIO << 12) \ + | (SPI0_ISP_RATIO << 0) + +/* CLK_DIV_PERIL0 */ +#define UART5_RATIO 7 +#define UART4_RATIO 7 +#define UART3_RATIO 7 +#define UART2_RATIO 7 +#define UART1_RATIO 7 +#define UART0_RATIO 7 + +#define CLK_DIV_PERIC0_VAL ((UART3_RATIO << 12) \ + | (UART2_RATIO << 8) \ + | (UART1_RATIO << 4) \ + | (UART0_RATIO)) +/* CLK_DIV_PERIC1 */ +#define SPI1_RATIO 0x7 +#define SPI0_RATIO 0xf +#define SPI1_SUB_RATIO 0x0 +#define SPI0_SUB_RATIO 0x0 +#define CLK_DIV_PERIC1_VAL ((SPI1_SUB_RATIO << 24) \ + | ((SPI1_RATIO << 16) \ + | (SPI0_SUB_RATIO << 8) \ + | (SPI0_RATIO << 0))) + +/* CLK_DIV_PERIC2 */ +#define SPI2_RATIO 0xf +#define SPI2_SUB_RATIO 0x0 +#define CLK_DIV_PERIC2_VAL ((SPI2_SUB_RATIO << 8) \ + | (SPI2_RATIO << 0)) + +/* CLK_DIV_PERIC3 */ +#define PWM_RATIO 8 +#define CLK_DIV_PERIC3_VAL (PWM_RATIO << 0) + +/* CLK_DIV_FSYS2 */ +#define MMC2_RATIO_MASK 0xf +#define MMC2_RATIO_VAL 0x3 +#define MMC2_RATIO_OFFSET 0 + +#define MMC2_PRE_RATIO_MASK 0xff +#define MMC2_PRE_RATIO_VAL 0x9 +#define MMC2_PRE_RATIO_OFFSET 8 + +#define MMC3_RATIO_MASK 0xf +#define MMC3_RATIO_VAL 0x1 +#define MMC3_RATIO_OFFSET 16 + +#define MMC3_PRE_RATIO_MASK 0xff +#define MMC3_PRE_RATIO_VAL 0x0 +#define MMC3_PRE_RATIO_OFFSET 24 + +/* CLK_SRC_LEX */ +#define CLK_SRC_LEX_VAL 0x0 + +/* CLK_DIV_LEX */ +#define CLK_DIV_LEX_VAL 0x10 + +/* CLK_DIV_R0X */ +#define CLK_DIV_R0X_VAL 0x10 + +/* CLK_DIV_L0X */ +#define CLK_DIV_R1X_VAL 0x10 + +/* CLK_DIV_ISP0 */ +#define CLK_DIV_ISP0_VAL 0x31 + +/* CLK_DIV_ISP1 */ +#define CLK_DIV_ISP1_VAL 0x0 + +/* CLK_DIV_ISP2 */ +#define CLK_DIV_ISP2_VAL 0x1 + +/* CLK_SRC_DISP1_0 */ +#define CLK_SRC_DISP1_0_VAL 0x6 + +/* + * DIV_DISP1_0 + * For DP, divisor should be 2 + */ +#define CLK_DIV_DISP1_0_FIMD1 (2 << 0) + +/* CLK_GATE_IP_DISP1 */ +#define CLK_GATE_DP1_ALLOW (1 << 4) + +#define DDR3PHY_CTRL_PHY_RESET (1 << 0) +#define DDR3PHY_CTRL_PHY_RESET_OFF (0 << 0) + +#define PHY_CON0_RESET_VAL 0x17020a40 +#define P0_CMD_EN (1 << 14) +#define BYTE_RDLVL_EN (1 << 13) +#define CTRL_SHGATE (1 << 8) + +#define PHY_CON1_RESET_VAL 0x09210100 +#define CTRL_GATEDURADJ_MASK (0xf << 20) + +#define PHY_CON2_RESET_VAL 0x00010004 +#define INIT_DESKEW_EN (1 << 6) +#define RDLVL_GATE_EN (1 << 24) + +/*ZQ Configurations */ +#define PHY_CON16_RESET_VAL 0x08000304 + +#define ZQ_CLK_DIV_EN (1 << 18) +#define ZQ_MANUAL_STR (1 << 1) +#define ZQ_DONE (1 << 0) + +#define CTRL_RDLVL_GATE_ENABLE 1 +#define CTRL_RDLVL_GATE_DISABLE 1 + +/* Direct Command */ +#define DIRECT_CMD_NOP 0x07000000 +#define DIRECT_CMD_PALL 0x01000000 +#define DIRECT_CMD_ZQINIT 0x0a000000 +#define DIRECT_CMD_CHANNEL_SHIFT 28 +#define DIRECT_CMD_CHIP_SHIFT 20 + +/* DMC PHY Control0 register */ +#define PHY_CONTROL0_RESET_VAL 0x0 +#define MEM_TERM_EN (1 << 31) /* Termination enable for memory */ +#define PHY_TERM_EN (1 << 30) /* Termination enable for PHY */ +#define DMC_CTRL_SHGATE (1 << 29) /* Duration of DQS gating signal */ +#define FP_RSYNC (1 << 3) /* Force DLL resyncronization */ + +/* Driver strength for CK, CKE, CS & CA */ +#define IMP_OUTPUT_DRV_40_OHM 0x5 +#define IMP_OUTPUT_DRV_30_OHM 0x7 +#define CA_CK_DRVR_DS_OFFSET 9 +#define CA_CKE_DRVR_DS_OFFSET 6 +#define CA_CS_DRVR_DS_OFFSET 3 +#define CA_ADR_DRVR_DS_OFFSET 0 + +#define PHY_CON42_CTRL_BSTLEN_SHIFT 8 +#define PHY_CON42_CTRL_RDLAT_SHIFT 0 + +struct mem_timings; + +/* Errors that we can encourter in low-level setup */ +enum { + SETUP_ERR_OK, + SETUP_ERR_RDLV_COMPLETE_TIMEOUT = -1, + SETUP_ERR_ZQ_CALIBRATION_FAILURE = -2, +}; + +/* + * Memory variant specific initialization code + * + * @param mem Memory timings for this memory type. + * @param mem_iv_size Memory interleaving size is a configurable parameter + * which the DMC uses to decide how to split a memory + * chunk into smaller chunks to support concurrent + * accesses; may vary across boards. + * @param reset Reset DDR PHY during initialization. + * @return 0 if ok, SETUP_ERR_... if there is a problem + */ +int ddr3_mem_ctrl_init(struct mem_timings *mem, unsigned long mem_iv_size, + int reset); + +/* + * Configure ZQ I/O interface + * + * @param mem Memory timings for this memory type. + * @param phy0_ctrl Pointer to struct containing PHY0 control reg + * @param phy1_ctrl Pointer to struct containing PHY1 control reg + * @return 0 if ok, -1 on error + */ +int dmc_config_zq(struct mem_timings *mem, + struct exynos5_phy_control *phy0_ctrl, + struct exynos5_phy_control *phy1_ctrl); + +/* + * Send NOP and MRS/EMRS Direct commands + * + * @param mem Memory timings for this memory type. + * @param dmc Pointer to struct of DMC registers + */ +void dmc_config_mrs(struct mem_timings *mem, struct exynos5_dmc *dmc); + +/* + * Send PALL Direct commands + * + * @param mem Memory timings for this memory type. + * @param dmc Pointer to struct of DMC registers + */ +void dmc_config_prech(struct mem_timings *mem, struct exynos5_dmc *dmc); + +/* + * Configure the memconfig and membaseconfig registers + * + * @param mem Memory timings for this memory type. + * @param exynos5_dmc Pointer to struct of DMC registers + */ +void dmc_config_memory(struct mem_timings *mem, struct exynos5_dmc *dmc); + +/* + * Reset the DLL. This function is common between DDR3 and LPDDR2. + * However, the reset value is different. So we are passing a flag + * ddr_mode to distinguish between LPDDR2 and DDR3. + * + * @param exynos5_dmc Pointer to struct of DMC registers + * @param ddr_mode Type of DDR memory + */ +void update_reset_dll(struct exynos5_dmc *, enum ddr_mode); +#endif diff --git a/arch/arm/cpu/armv7/exynos/lowlevel_init.c b/arch/arm/cpu/armv7/exynos/lowlevel_init.c new file mode 100644 index 0000000..11fe5b8 --- /dev/null +++ b/arch/arm/cpu/armv7/exynos/lowlevel_init.c @@ -0,0 +1,73 @@ +/* + * Lowlevel setup for EXYNOS5 based board + * + * Copyright (C) 2013 Samsung Electronics + * Rajeshwari Shinde <rajeshwari.s@samsung.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <config.h> +#include <asm/arch/cpu.h> +#include <asm/arch/dmc.h> +#include <asm/arch/power.h> +#include <asm/arch/tzpc.h> +#include <asm/arch/periph.h> +#include <asm/arch/pinmux.h> +#include "common_setup.h" + +/* These are the things we can do during low-level init */ +enum { + DO_WAKEUP = 1 << 0, + DO_CLOCKS = 1 << 1, + DO_MEM_RESET = 1 << 2, + DO_UART = 1 << 3, +}; + +int do_lowlevel_init(void) +{ + uint32_t reset_status; + int actions = 0; + + arch_cpu_init(); + + reset_status = get_reset_status(); + + switch (reset_status) { + case S5P_CHECK_SLEEP: + actions = DO_CLOCKS | DO_WAKEUP; + break; + case S5P_CHECK_DIDLE: + case S5P_CHECK_LPA: + actions = DO_WAKEUP; + break; + default: + /* This is a normal boot (not a wake from sleep) */ + actions = DO_CLOCKS | DO_MEM_RESET; + } + + if (actions & DO_CLOCKS) { + system_clock_init(); + mem_ctrl_init(actions & DO_MEM_RESET); + tzpc_init(); + } + + return actions & DO_WAKEUP; +} diff --git a/arch/arm/cpu/armv7/exynos/spl_boot.c b/arch/arm/cpu/armv7/exynos/spl_boot.c new file mode 100644 index 0000000..6e8dd3b --- /dev/null +++ b/arch/arm/cpu/armv7/exynos/spl_boot.c @@ -0,0 +1,203 @@ +/* + * Copyright (C) 2012 Samsung Electronics + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include<common.h> +#include<config.h> + +#include <asm/arch/clock.h> +#include <asm/arch/clk.h> +#include <asm/arch/dmc.h> +#include <asm/arch/power.h> +#include <asm/arch/spl.h> + +#include "common_setup.h" +#include "clock_init.h" + +DECLARE_GLOBAL_DATA_PTR; +#define OM_STAT (0x1f << 1) + +/* Index into irom ptr table */ +enum index { + MMC_INDEX, + EMMC44_INDEX, + EMMC44_END_INDEX, + SPI_INDEX, + USB_INDEX, +}; + +/* IROM Function Pointers Table */ +u32 irom_ptr_table[] = { + [MMC_INDEX] = 0x02020030, /* iROM Function Pointer-SDMMC boot */ + [EMMC44_INDEX] = 0x02020044, /* iROM Function Pointer-EMMC4.4 boot*/ + [EMMC44_END_INDEX] = 0x02020048,/* iROM Function Pointer + -EMMC4.4 end boot operation */ + [SPI_INDEX] = 0x02020058, /* iROM Function Pointer-SPI boot */ + [USB_INDEX] = 0x02020070, /* iROM Function Pointer-USB boot*/ + }; + +void *get_irom_func(int index) +{ + return (void *)*(u32 *)irom_ptr_table[index]; +} + +#ifdef CONFIG_USB_BOOTING +/* + * Set/clear program flow prediction and return the previous state. + */ +static int config_branch_prediction(int set_cr_z) +{ + unsigned int cr; + + /* System Control Register: 11th bit Z Branch prediction enable */ + cr = get_cr(); + set_cr(set_cr_z ? cr | CR_Z : cr & ~CR_Z); + + return cr & CR_Z; +} +#endif + +/* +* Copy U-boot from mmc to RAM: +* COPY_BL2_FNPTR_ADDR: Address in iRAM, which Contains +* Pointer to API (Data transfer from mmc to ram) +*/ +void copy_uboot_to_ram(void) +{ + enum boot_mode bootmode = BOOT_MODE_OM; + + u32 (*copy_bl2)(u32 offset, u32 nblock, u32 dst) = NULL; + u32 offset = 0, size = 0; +#ifdef CONFIG_SUPPORT_EMMC_BOOT + u32 (*copy_bl2_from_emmc)(u32 nblock, u32 dst); + void (*end_bootop_from_emmc)(void); +#endif +#ifdef CONFIG_USB_BOOTING + u32 (*usb_copy)(void); + int is_cr_z_set; + unsigned int sec_boot_check; + + /* Read iRAM location to check for secondary USB boot mode */ + sec_boot_check = readl(EXYNOS_IRAM_SECONDARY_BASE); + if (sec_boot_check == EXYNOS_USB_SECONDARY_BOOT) + bootmode = BOOT_MODE_USB; +#endif + + if (bootmode == BOOT_MODE_OM) + bootmode = readl(samsung_get_base_power()) & OM_STAT; + + switch (bootmode) { +#ifdef CONFIG_SPI_BOOTING + case BOOT_MODE_SERIAL: + offset = SPI_FLASH_UBOOT_POS; + size = CONFIG_BL2_SIZE; + copy_bl2 = get_irom_func(SPI_INDEX); + break; +#endif + case BOOT_MODE_MMC: + offset = BL2_START_OFFSET; + size = BL2_SIZE_BLOC_COUNT; + copy_bl2 = get_irom_func(MMC_INDEX); + break; +#ifdef CONFIG_SUPPORT_EMMC_BOOT + case BOOT_MODE_EMMC: + /* Set the FSYS1 clock divisor value for EMMC boot */ + emmc_boot_clk_div_set(); + + copy_bl2_from_emmc = get_irom_func(EMMC44_INDEX); + end_bootop_from_emmc = get_irom_func(EMMC44_END_INDEX); + + copy_bl2_from_emmc(BL2_SIZE_BLOC_COUNT, CONFIG_SYS_TEXT_BASE); + end_bootop_from_emmc(); + break; +#endif +#ifdef CONFIG_USB_BOOTING + case BOOT_MODE_USB: + /* + * iROM needs program flow prediction to be disabled + * before copy from USB device to RAM + */ + is_cr_z_set = config_branch_prediction(0); + usb_copy = get_irom_func(USB_INDEX); + usb_copy(); + config_branch_prediction(is_cr_z_set); + break; +#endif + default: + break; + } + + if (copy_bl2) + copy_bl2(offset, size, CONFIG_SYS_TEXT_BASE); +} + +void memzero(void *s, size_t n) +{ + char *ptr = s; + size_t i; + + for (i = 0; i < n; i++) + *ptr++ = '\0'; +} + +/** + * Set up the U-Boot global_data pointer + * + * This sets the address of the global data, and sets up basic values. + * + * @param gdp Value to give to gd + */ +static void setup_global_data(gd_t *gdp) +{ + gd = gdp; + memzero((void *)gd, sizeof(gd_t)); + gd->flags |= GD_FLG_RELOC; + gd->baudrate = CONFIG_BAUDRATE; + gd->have_console = 1; +} + +void board_init_f(unsigned long bootflag) +{ + __aligned(8) gd_t local_gd; + __attribute__((noreturn)) void (*uboot)(void); + + setup_global_data(&local_gd); + + if (do_lowlevel_init()) + power_exit_wakeup(); + + copy_uboot_to_ram(); + + /* Jump to U-Boot image */ + uboot = (void *)CONFIG_SYS_TEXT_BASE; + (*uboot)(); + /* Never returns Here */ +} + +/* Place Holders */ +void board_init_r(gd_t *id, ulong dest_addr) +{ + /* Function attribute is no-return */ + /* This Function never executes */ + while (1) + ; +} +void save_boot_params(u32 r0, u32 r1, u32 r2, u32 r3) {} diff --git a/arch/arm/include/asm/arch-exynos/cpu.h b/arch/arm/include/asm/arch-exynos/cpu.h index 36b98c8..8685c42 100644 --- a/arch/arm/include/asm/arch-exynos/cpu.h +++ b/arch/arm/include/asm/arch-exynos/cpu.h @@ -40,8 +40,7 @@ #define EXYNOS4_WATCHDOG_BASE 0x10060000 #define EXYNOS4_TZPC_BASE 0x10110000 #define EXYNOS4_MIU_BASE 0x10600000 -#define EXYNOS4_DMC0_BASE 0x10400000 -#define EXYNOS4_DMC1_BASE 0x10410000 +#define EXYNOS4_DMC_CTRL_BASE 0x10400000 #define EXYNOS4_GPIO_PART2_BASE 0x11000000 #define EXYNOS4_GPIO_PART1_BASE 0x11400000 #define EXYNOS4_FIMD_BASE 0x11C00000 @@ -64,6 +63,7 @@ #define EXYNOS4_DP_BASE DEVICE_NOT_AVAILABLE #define EXYNOS4_SPI_ISP_BASE DEVICE_NOT_AVAILABLE #define EXYNOS4_ACE_SFR_BASE DEVICE_NOT_AVAILABLE +#define EXYNOS4_DMC_PHY_BASE DEVICE_NOT_AVAILABLE /* EXYNOS4X12 */ #define EXYNOS4X12_GPIO_PART3_BASE 0x03860000 @@ -76,8 +76,7 @@ #define EXYNOS4X12_SYSTIMER_BASE 0x10050000 #define EXYNOS4X12_WATCHDOG_BASE 0x10060000 #define EXYNOS4X12_TZPC_BASE 0x10110000 -#define EXYNOS4X12_DMC0_BASE 0x10600000 -#define EXYNOS4X12_DMC1_BASE 0x10610000 +#define EXYNOS4X12_DMC_CTRL_BASE 0x10600000 #define EXYNOS4X12_GPIO_PART4_BASE 0x106E0000 #define EXYNOS4X12_GPIO_PART2_BASE 0x11000000 #define EXYNOS4X12_GPIO_PART1_BASE 0x11400000 @@ -99,6 +98,7 @@ #define EXYNOS4X12_SPI_BASE DEVICE_NOT_AVAILABLE #define EXYNOS4X12_SPI_ISP_BASE DEVICE_NOT_AVAILABLE #define EXYNOS4X12_ACE_SFR_BASE DEVICE_NOT_AVAILABLE +#define EXYNOS4X12_DMC_PHY_BASE DEVICE_NOT_AVAILABLE /* EXYNOS5 Common*/ #define EXYNOS5_I2C_SPACING 0x10000 @@ -112,8 +112,7 @@ #define EXYNOS5_TZPC_BASE 0x10100000 #define EXYNOS5_WATCHDOG_BASE 0x101D0000 #define EXYNOS5_ACE_SFR_BASE 0x10830000 -#define EXYNOS5_DMC_PHY0_BASE 0x10C00000 -#define EXYNOS5_DMC_PHY1_BASE 0x10C10000 +#define EXYNOS5_DMC_PHY_BASE 0x10C00000 #define EXYNOS5_GPIO_PART3_BASE 0x10D10000 #define EXYNOS5_DMC_CTRL_BASE 0x10DD0000 #define EXYNOS5_GPIO_PART1_BASE 0x11400000 @@ -237,6 +236,8 @@ SAMSUNG_BASE(power, POWER_BASE) SAMSUNG_BASE(spi, SPI_BASE) SAMSUNG_BASE(spi_isp, SPI_ISP_BASE) SAMSUNG_BASE(tzpc, TZPC_BASE) +SAMSUNG_BASE(dmc_ctrl, DMC_CTRL_BASE) +SAMSUNG_BASE(dmc_phy, DMC_PHY_BASE) #endif #endif /* _EXYNOS4_CPU_H */ |