[U-Boot] [PATCH 4/9 V9] Exynos5420: Add DDR3 initialization for 5420
Rajeshwari Birje
rajeshwari.birje at gmail.com
Thu Dec 5 08:25:11 CET 2013
Hi Minkyu Kang,
Thank you for comments.
On Tue, Dec 3, 2013 at 11:45 AM, Minkyu Kang <mk7.kang at samsung.com> wrote:
> Dear Rajeshwari S Shinde,
>
> On 02/12/13 20:47, Rajeshwari S Shinde wrote:
>> This patch intends to add DDR3 initialization code for Exynos5420.
>>
>> Signed-off-by: Rajeshwari S Shinde <rajeshwari.s at samsung.com>
>> Signed-off-by: Akshay Saraswat <akshay.s at samsung.com>
>> Acked-by: Simon Glass <sjg at chromium.org>
>> ---
>> Changes in V2:
>> - Corrected a compilation issue for SMDK5250.
>> Changes in V3:
>> - None
>> Changes in V4:
>> - None
>> Changes in V5:
>> - None
>> Changes in V6:
>> - None
>> Changes in V7:
>> - Fixed multi line comment.
>> Changes in V8:
>> - None
>> Changes in V9:
>> - Used samsung_get base to get the dmc base address
>> arch/arm/cpu/armv7/exynos/dmc_common.c | 10 +-
>> arch/arm/cpu/armv7/exynos/dmc_init_ddr3.c | 425 +++++++++++++++++++++++++++++-
>> arch/arm/cpu/armv7/exynos/exynos5_setup.h | 2 +
>> arch/arm/include/asm/arch-exynos/cpu.h | 4 +
>> arch/arm/include/asm/arch-exynos/dmc.h | 123 ++++++---
>> arch/arm/include/asm/arch-exynos/power.h | 6 +
>> 6 files changed, 525 insertions(+), 45 deletions(-)
>>
>> diff --git a/arch/arm/cpu/armv7/exynos/dmc_common.c b/arch/arm/cpu/armv7/exynos/dmc_common.c
>> index 53cfe6e..9e432c2 100644
>> --- a/arch/arm/cpu/armv7/exynos/dmc_common.c
>> +++ b/arch/arm/cpu/armv7/exynos/dmc_common.c
>> @@ -1,5 +1,5 @@
>> /*
>> - * Mem setup common file for different types of DDR present on SMDK5250 boards.
>> + * Mem setup common file for different types of DDR present on Exynos boards.
>> *
>> * Copyright (C) 2012 Samsung Electronics
>> *
>> @@ -152,14 +152,6 @@ void dmc_config_prech(struct mem_timings *mem, struct exynos5_dmc *dmc)
>> }
>> }
>>
>> -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();
>> diff --git a/arch/arm/cpu/armv7/exynos/dmc_init_ddr3.c b/arch/arm/cpu/armv7/exynos/dmc_init_ddr3.c
>> index 5f5914e..aa46a43 100644
>> --- a/arch/arm/cpu/armv7/exynos/dmc_init_ddr3.c
>> +++ b/arch/arm/cpu/armv7/exynos/dmc_init_ddr3.c
>> @@ -1,5 +1,5 @@
>> /*
>> - * DDR3 mem setup file for SMDK5250 board based on EXYNOS5
>> + * DDR3 mem setup file for board based on EXYNOS5
>> *
>> * Copyright (C) 2012 Samsung Electronics
>> *
>> @@ -11,12 +11,14 @@
>> #include <asm/arch/clock.h>
>> #include <asm/arch/cpu.h>
>> #include <asm/arch/dmc.h>
>> +#include <asm/arch/power.h>
>> #include "common_setup.h"
>> #include "exynos5_setup.h"
>> #include "clock_init.h"
>>
>> -#define RDLVL_COMPLETE_TIMEOUT 10000
>> +#define TIMEOUT 10000
>>
>> +#ifdef CONFIG_EXYNOS5250
>> static void reset_phy_ctrl(void)
>> {
>> struct exynos5_clock *clk =
>> @@ -108,7 +110,7 @@ int ddr3_mem_ctrl_init(struct mem_timings *mem, unsigned long mem_iv_size,
>>
>> /* Precharge Configuration */
>> writel(mem->prechconfig_tp_cnt << PRECHCONFIG_TP_CNT_SHIFT,
>> - &dmc->prechconfig);
>> + &dmc->prechconfig0);
>>
>> /* Power Down mode Configuration */
>> writel(mem->dpwrdn_cyc << PWRDNCONFIG_DPWRDN_CYC_SHIFT |
>> @@ -174,7 +176,7 @@ int ddr3_mem_ctrl_init(struct mem_timings *mem, unsigned long mem_iv_size,
>> writel(val, &phy1_ctrl->phy_con1);
>>
>> writel(CTRL_RDLVL_GATE_ENABLE, &dmc->rdlvl_config);
>> - i = RDLVL_COMPLETE_TIMEOUT;
>> + i = TIMEOUT;
>> while ((readl(&dmc->phystatus) &
>> (RDLVL_COMPLETE_CHO | RDLVL_COMPLETE_CH1)) !=
>> (RDLVL_COMPLETE_CHO | RDLVL_COMPLETE_CH1) && i > 0) {
>> @@ -215,3 +217,418 @@ int ddr3_mem_ctrl_init(struct mem_timings *mem, unsigned long mem_iv_size,
>> | (mem->aref_en << CONCONTROL_AREF_EN_SHIFT), &dmc->concontrol);
>> return 0;
>> }
>> +#endif
>> +
>> +#ifdef CONFIG_EXYNOS5420
>
> we can avoid ifdef here.
>
> int ddr3_mem_ctrl_init(...)
> {
> if (proid_is_exynos5250())
> exynos5250_ddr3_mem_ctrl_init();
> else
> exynos5420_ddr3_mem_ctrl_init();
> }
>
Will do it this way
>> +int ddr3_mem_ctrl_init(struct mem_timings *mem, unsigned long mem_iv_size,
>> + int reset)
>> +{
>> + struct exynos5420_clock *clk =
>> + (struct exynos5420_clock *)samsung_get_base_clock();
>> + struct exynos5_power *power =
>> + (struct exynos5_power *)samsung_get_base_power();
>> + struct exynos5_phy_control *phy0_ctrl, *phy1_ctrl;
>> + struct exynos5_dmc *drex0, *drex1;
>> + struct exynos5_tzasc *tzasc0, *tzasc1;
>> + uint32_t val, n_lock_r, n_lock_w_phy0, n_lock_w_phy1;
>> + int chip;
>> + 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);
>> + drex0 = (struct exynos5_dmc *)samsung_get_base_dmc_ctrl();
>> + drex1 = (struct exynos5_dmc *)(samsung_get_base_dmc_ctrl()
>> + + DMC_OFFSET);
>> + tzasc0 = (struct exynos5_tzasc *)samsung_get_base_dmc_tzasc0();
>> + tzasc1 = (struct exynos5_tzasc *)(samsung_get_base_dmc_tzasc0()
>> + + DMC_OFFSET);
>> +
>> + /* Enable PAUSE for DREX */
>> + setbits_le32(&clk->pause, ENABLE_BIT);
>> +
>> + /* Enable BYPASS mode */
>> + setbits_le32(&clk->bpll_con1, BYPASS_EN);
>> +
>> + writel(MUX_BPLL_SEL_FOUTBPLL, &clk->src_cdrex);
>> + do {
>> + val = readl(&clk->mux_stat_cdrex);
>> + val &= BPLL_SEL_MASK;
>> + } while (val != FOUTBPLL);
>> +
>> + clrbits_le32(&clk->bpll_con1, BYPASS_EN);
>> +
>> + /* Specify the DDR memory type as DDR3 */
>> + val = readl(&phy0_ctrl->phy_con0);
>> + val &= ~(PHY_CON0_CTRL_DDR_MODE_MASK << PHY_CON0_CTRL_DDR_MODE_SHIFT);
>> + val |= (DDR_MODE_DDR3 << PHY_CON0_CTRL_DDR_MODE_SHIFT);
>> + writel(val, &phy0_ctrl->phy_con0);
>> +
>> + val = readl(&phy1_ctrl->phy_con0);
>> + val &= ~(PHY_CON0_CTRL_DDR_MODE_MASK << PHY_CON0_CTRL_DDR_MODE_SHIFT);
>> + val |= (DDR_MODE_DDR3 << PHY_CON0_CTRL_DDR_MODE_SHIFT);
>> + writel(val, &phy1_ctrl->phy_con0);
>> +
>> + /* 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);
>> +
>> + val = readl(&phy0_ctrl->phy_con26);
>> + val &= ~(T_WRDATA_EN_MASK << T_WRDATA_EN_OFFSET);
>> + val |= (T_WRDATA_EN_DDR3 << T_WRDATA_EN_OFFSET);
>> + writel(val, &phy0_ctrl->phy_con26);
>> +
>> + val = readl(&phy1_ctrl->phy_con26);
>> + val &= ~(T_WRDATA_EN_MASK << T_WRDATA_EN_OFFSET);
>> + val |= (T_WRDATA_EN_DDR3 << T_WRDATA_EN_OFFSET);
>> + writel(val, &phy1_ctrl->phy_con26);
>> +
>> + /*
>> + * Set Driver strength for CK, CKE, CS & CA to 0x7
>> + * Set Driver strength for Data Slice 0~3 to 0x7
>> + */
>> + val = (0x7 << CA_CK_DRVR_DS_OFFSET) | (0x7 << CA_CKE_DRVR_DS_OFFSET) |
>> + (0x7 << CA_CS_DRVR_DS_OFFSET) | (0x7 << CA_ADR_DRVR_DS_OFFSET);
>> + val |= (0x7 << DA_3_DS_OFFSET) | (0x7 << DA_2_DS_OFFSET) |
>> + (0x7 << DA_1_DS_OFFSET) | (0x7 << DA_0_DS_OFFSET);
>> + writel(val, &phy0_ctrl->phy_con39);
>> + writel(val, &phy1_ctrl->phy_con39);
>> +
>> + /* ZQ Calibration */
>> + if (dmc_config_zq(mem, phy0_ctrl, phy1_ctrl))
>> + return SETUP_ERR_ZQ_CALIBRATION_FAILURE;
>> +
>> + clrbits_le32(&phy0_ctrl->phy_con16, ZQ_CLK_DIV_EN);
>> + clrbits_le32(&phy1_ctrl->phy_con16, ZQ_CLK_DIV_EN);
>> +
>> + /* DQ Signal */
>> + val = readl(&phy0_ctrl->phy_con14);
>> + val |= mem->phy0_pulld_dqs;
>> + writel(val, &phy0_ctrl->phy_con14);
>> + val = readl(&phy1_ctrl->phy_con14);
>> + val |= mem->phy1_pulld_dqs;
>> + writel(val, &phy1_ctrl->phy_con14);
>> +
>> + val = MEM_TERM_EN | PHY_TERM_EN;
>> + writel(val, &drex0->phycontrol0);
>> + writel(val, &drex1->phycontrol0);
>> +
>> + writel(mem->concontrol |
>> + (mem->dfi_init_start << CONCONTROL_DFI_INIT_START_SHIFT) |
>> + (mem->rd_fetch << CONCONTROL_RD_FETCH_SHIFT),
>> + &drex0->concontrol);
>> + writel(mem->concontrol |
>> + (mem->dfi_init_start << CONCONTROL_DFI_INIT_START_SHIFT) |
>> + (mem->rd_fetch << CONCONTROL_RD_FETCH_SHIFT),
>> + &drex1->concontrol);
>> +
>> + do {
>> + val = readl(&drex0->phystatus);
>> + } while ((val & DFI_INIT_COMPLETE) != DFI_INIT_COMPLETE);
>> + do {
>> + val = readl(&drex1->phystatus);
>> + } while ((val & DFI_INIT_COMPLETE) != DFI_INIT_COMPLETE);
>> +
>> + clrbits_le32(&drex0->concontrol, DFI_INIT_START);
>> + clrbits_le32(&drex1->concontrol, DFI_INIT_START);
>> +
>> + update_reset_dll(drex0, DDR_MODE_DDR3);
>> + update_reset_dll(drex1, DDR_MODE_DDR3);
>> +
>> + /*
>> + * Set Base Address:
>> + * 0x2000_0000 ~ 0x5FFF_FFFF
>> + * 0x6000_0000 ~ 0x9FFF_FFFF
>> + */
>> + /* MEMBASECONFIG0 */
>> + val = DMC_MEMBASECONFIGX_CHIP_BASE(DMC_CHIP_BASE_0) |
>> + DMC_MEMBASECONFIGX_CHIP_MASK(DMC_CHIP_MASK);
>> + writel(val, &tzasc0->membaseconfig0);
>> + writel(val, &tzasc1->membaseconfig0);
>> +
>> + /* MEMBASECONFIG1 */
>> + val = DMC_MEMBASECONFIGX_CHIP_BASE(DMC_CHIP_BASE_1) |
>> + DMC_MEMBASECONFIGX_CHIP_MASK(DMC_CHIP_MASK);
>> + writel(val, &tzasc0->membaseconfig1);
>> + writel(val, &tzasc1->membaseconfig1);
>> +
>> + /*
>> + * Memory Channel Inteleaving Size
>> + * Ares Channel interleaving = 128 bytes
>> + */
>> + /* MEMCONFIG0/1 */
>> + writel(mem->memconfig, &tzasc0->memconfig0);
>> + writel(mem->memconfig, &tzasc1->memconfig0);
>> + writel(mem->memconfig, &tzasc0->memconfig1);
>> + writel(mem->memconfig, &tzasc1->memconfig1);
>> +
>> + /* Precharge Configuration */
>> + writel(mem->prechconfig_tp_cnt << PRECHCONFIG_TP_CNT_SHIFT,
>> + &drex0->prechconfig0);
>> + writel(mem->prechconfig_tp_cnt << PRECHCONFIG_TP_CNT_SHIFT,
>> + &drex1->prechconfig0);
>> +
>> + /*
>> + * TimingRow, TimingData, TimingPower and Timingaref
>> + * values as per Memory AC parameters
>> + */
>> + writel(mem->timing_ref, &drex0->timingref);
>> + writel(mem->timing_ref, &drex1->timingref);
>> + writel(mem->timing_row, &drex0->timingrow);
>> + writel(mem->timing_row, &drex1->timingrow);
>> + writel(mem->timing_data, &drex0->timingdata);
>> + writel(mem->timing_data, &drex1->timingdata);
>> + writel(mem->timing_power, &drex0->timingpower);
>> + writel(mem->timing_power, &drex1->timingpower);
>> +
>> + if (reset) {
>> + /*
>> + * Send NOP, MRS and ZQINIT commands
>> + * Sending MRS command will reset the DRAM. We should not be
>> + * reseting the DRAM after resume, this will lead to memory
>> + * corruption as DRAM content is lost after DRAM reset
>> + */
>> + dmc_config_mrs(mem, drex0);
>> + dmc_config_mrs(mem, drex1);
>> + } else {
>> + /*
>> + * During Suspend-Resume & S/W-Reset, as soon as PMU releases
>> + * pad retention, CKE goes high. This causes memory contents
>> + * not to be retained during DRAM initialization. Therfore,
>> + * there is a new control register(0x100431e8[28]) which lets us
>> + * release pad retention and retain the memory content until the
>> + * initialization is complete.
>> + */
>> + writel(PAD_RETENTION_DRAM_COREBLK_VAL,
>> + &power->pad_retention_dram_coreblk_option);
>> + do {
>> + val = readl(&power->pad_retention_dram_status);
>> + } while (val != 0x1);
>> +
>> + /*
>> + * CKE PAD retention disables DRAM self-refresh mode.
>> + * Send auto refresh command for DRAM refresh.
>> + */
>> + for (i = 0; i < 128; i++) {
>> + for (chip = 0; chip < mem->chips_to_configure; chip++) {
>> + writel(DIRECT_CMD_REFA |
>> + (chip << DIRECT_CMD_CHIP_SHIFT),
>> + &drex0->directcmd);
>> + writel(DIRECT_CMD_REFA |
>> + (chip << DIRECT_CMD_CHIP_SHIFT),
>> + &drex1->directcmd);
>> + }
>> + }
>> + }
>> +
>> + if (mem->gate_leveling_enable) {
>> + writel(PHY_CON0_RESET_VAL, &phy0_ctrl->phy_con0);
>> + writel(PHY_CON0_RESET_VAL, &phy1_ctrl->phy_con0);
>> +
>> + setbits_le32(&phy0_ctrl->phy_con0, P0_CMD_EN);
>> + setbits_le32(&phy1_ctrl->phy_con0, P0_CMD_EN);
>> +
>> + val = PHY_CON2_RESET_VAL;
>> + val |= INIT_DESKEW_EN;
>> + writel(val, &phy0_ctrl->phy_con2);
>> + writel(val, &phy1_ctrl->phy_con2);
>> +
>> + val = readl(&phy0_ctrl->phy_con1);
>> + val |= (RDLVL_PASS_ADJ_VAL << RDLVL_PASS_ADJ_OFFSET);
>> + writel(val, &phy0_ctrl->phy_con1);
>> +
>> + val = readl(&phy1_ctrl->phy_con1);
>> + val |= (RDLVL_PASS_ADJ_VAL << RDLVL_PASS_ADJ_OFFSET);
>> + writel(val, &phy1_ctrl->phy_con1);
>> +
>> + n_lock_r = readl(&phy0_ctrl->phy_con13);
>> + n_lock_w_phy0 = (n_lock_r & CTRL_LOCK_COARSE_MASK) >> 2;
>> + n_lock_r = readl(&phy0_ctrl->phy_con12);
>> + n_lock_r &= ~CTRL_DLL_ON;
>> + n_lock_r |= n_lock_w_phy0;
>> + writel(n_lock_r, &phy0_ctrl->phy_con12);
>> +
>> + n_lock_r = readl(&phy1_ctrl->phy_con13);
>> + n_lock_w_phy1 = (n_lock_r & CTRL_LOCK_COARSE_MASK) >> 2;
>> + n_lock_r = readl(&phy1_ctrl->phy_con12);
>> + n_lock_r &= ~CTRL_DLL_ON;
>> + n_lock_r |= n_lock_w_phy1;
>> + writel(n_lock_r, &phy1_ctrl->phy_con12);
>> +
>> + val = (0x3 << DIRECT_CMD_BANK_SHIFT) | 0x4;
>> + for (chip = 0; chip < mem->chips_to_configure; chip++) {
>> + writel(val | (chip << DIRECT_CMD_CHIP_SHIFT),
>> + &drex0->directcmd);
>> + writel(val | (chip << DIRECT_CMD_CHIP_SHIFT),
>> + &drex1->directcmd);
>> + }
>> +
>> + setbits_le32(&phy0_ctrl->phy_con2, RDLVL_GATE_EN);
>> + setbits_le32(&phy1_ctrl->phy_con2, RDLVL_GATE_EN);
>> +
>> + setbits_le32(&phy0_ctrl->phy_con0, CTRL_SHGATE);
>> + setbits_le32(&phy1_ctrl->phy_con0, CTRL_SHGATE);
>> +
>> + val = readl(&phy0_ctrl->phy_con1);
>> + val &= ~(CTRL_GATEDURADJ_MASK);
>> + writel(val, &phy0_ctrl->phy_con1);
>> +
>> + val = readl(&phy1_ctrl->phy_con1);
>> + val &= ~(CTRL_GATEDURADJ_MASK);
>> + writel(val, &phy1_ctrl->phy_con1);
>> +
>> + writel(CTRL_RDLVL_GATE_ENABLE, &drex0->rdlvl_config);
>> + i = TIMEOUT;
>> + while (((readl(&drex0->phystatus) & RDLVL_COMPLETE_CHO) !=
>> + RDLVL_COMPLETE_CHO) && (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, &drex0->rdlvl_config);
>> +
>> + writel(CTRL_RDLVL_GATE_ENABLE, &drex1->rdlvl_config);
>> + i = TIMEOUT;
>> + while (((readl(&drex1->phystatus) & RDLVL_COMPLETE_CHO) !=
>> + RDLVL_COMPLETE_CHO) && (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, &drex1->rdlvl_config);
>> +
>> + writel(0, &phy0_ctrl->phy_con14);
>> + writel(0, &phy1_ctrl->phy_con14);
>> +
>> + val = (0x3 << DIRECT_CMD_BANK_SHIFT);
>> + for (chip = 0; chip < mem->chips_to_configure; chip++) {
>> + writel(val | (chip << DIRECT_CMD_CHIP_SHIFT),
>> + &drex0->directcmd);
>> + writel(val | (chip << DIRECT_CMD_CHIP_SHIFT),
>> + &drex1->directcmd);
>> + }
>> +
>> + if (mem->read_leveling_enable) {
>> + /* Set Read DQ Calibration */
>> + val = (0x3 << DIRECT_CMD_BANK_SHIFT) | 0x4;
>> + for (chip = 0; chip < mem->chips_to_configure; chip++) {
>> + writel(val | (chip << DIRECT_CMD_CHIP_SHIFT),
>> + &drex0->directcmd);
>> + writel(val | (chip << DIRECT_CMD_CHIP_SHIFT),
>> + &drex1->directcmd);
>> + }
>> +
>> + val = readl(&phy0_ctrl->phy_con1);
>> + val |= READ_LEVELLING_DDR3;
>> + writel(val, &phy0_ctrl->phy_con1);
>> + val = readl(&phy1_ctrl->phy_con1);
>> + val |= READ_LEVELLING_DDR3;
>> + writel(val, &phy1_ctrl->phy_con1);
>> +
>> + val = readl(&phy0_ctrl->phy_con2);
>> + val |= (RDLVL_EN | RDLVL_INCR_ADJ);
>> + writel(val, &phy0_ctrl->phy_con2);
>> + val = readl(&phy1_ctrl->phy_con2);
>> + val |= (RDLVL_EN | RDLVL_INCR_ADJ);
>> + writel(val, &phy1_ctrl->phy_con2);
>> +
>> + setbits_le32(&drex0->rdlvl_config,
>> + CTRL_RDLVL_DATA_ENABLE);
>> + i = TIMEOUT;
>> + while (((readl(&drex0->phystatus) & RDLVL_COMPLETE_CHO)
>> + != RDLVL_COMPLETE_CHO) && (i > 0)) {
>> + /*
>> + * TODO(waihong): Comment on how long this take
>> + * to timeout
>> + */
>> + sdelay(100);
>> + i--;
>> + }
>> + if (!i)
>> + return SETUP_ERR_RDLV_COMPLETE_TIMEOUT;
>> +
>> + clrbits_le32(&drex0->rdlvl_config,
>> + CTRL_RDLVL_DATA_ENABLE);
>> + setbits_le32(&drex1->rdlvl_config,
>> + CTRL_RDLVL_DATA_ENABLE);
>> + i = TIMEOUT;
>> + while (((readl(&drex1->phystatus) & RDLVL_COMPLETE_CHO)
>> + != RDLVL_COMPLETE_CHO) && (i > 0)) {
>> + /*
>> + * TODO(waihong): Comment on how long this take
>> + * to timeout
>> + */
>> + sdelay(100);
>> + i--;
>> + }
>> + if (!i)
>> + return SETUP_ERR_RDLV_COMPLETE_TIMEOUT;
>> +
>> + clrbits_le32(&drex1->rdlvl_config,
>> + CTRL_RDLVL_DATA_ENABLE);
>> +
>> + val = (0x3 << DIRECT_CMD_BANK_SHIFT);
>> + for (chip = 0; chip < mem->chips_to_configure; chip++) {
>> + writel(val | (chip << DIRECT_CMD_CHIP_SHIFT),
>> + &drex0->directcmd);
>> + writel(val | (chip << DIRECT_CMD_CHIP_SHIFT),
>> + &drex1->directcmd);
>> + }
>> +
>> + update_reset_dll(drex0, DDR_MODE_DDR3);
>> + update_reset_dll(drex1, DDR_MODE_DDR3);
>> + }
>> +
>> + /* Common Settings for Leveling */
>> + val = PHY_CON12_RESET_VAL;
>> + writel((val + n_lock_w_phy0), &phy0_ctrl->phy_con12);
>> + writel((val + n_lock_w_phy1), &phy1_ctrl->phy_con12);
>> +
>> + setbits_le32(&phy0_ctrl->phy_con2, DLL_DESKEW_EN);
>> + setbits_le32(&phy1_ctrl->phy_con2, DLL_DESKEW_EN);
>> + }
>> +
>> + /* Send PALL command */
>> + dmc_config_prech(mem, drex0);
>> + dmc_config_prech(mem, drex1);
>> +
>> + writel(mem->memcontrol, &drex0->memcontrol);
>> + writel(mem->memcontrol, &drex1->memcontrol);
>> +
>> + /*
>> + * Set DMC Concontrol: Enable auto-refresh counter, provide
>> + * read data fetch cycles and enable DREX auto set powerdown
>> + * for input buffer of I/O in none read memory state.
>> + */
>> + writel(mem->concontrol | (mem->aref_en << CONCONTROL_AREF_EN_SHIFT) |
>> + (mem->rd_fetch << CONCONTROL_RD_FETCH_SHIFT)|
>> + DMC_CONCONTROL_IO_PD_CON(0x2),
>> + &drex0->concontrol);
>> + writel(mem->concontrol | (mem->aref_en << CONCONTROL_AREF_EN_SHIFT) |
>> + (mem->rd_fetch << CONCONTROL_RD_FETCH_SHIFT)|
>> + DMC_CONCONTROL_IO_PD_CON(0x2),
>> + &drex1->concontrol);
>> +
>> + /*
>> + * Enable Clock Gating Control for DMC
>> + * this saves around 25 mw dmc power as compared to the power
>> + * consumption without these bits enabled
>> + */
>> + setbits_le32(&drex0->cgcontrol, DMC_INTERNAL_CG);
>> + setbits_le32(&drex1->cgcontrol, DMC_INTERNAL_CG);
>> +
>> + return 0;
>> +}
>> +#endif
>> diff --git a/arch/arm/cpu/armv7/exynos/exynos5_setup.h b/arch/arm/cpu/armv7/exynos/exynos5_setup.h
>> index c8d6515..42a7fb8 100644
>> --- a/arch/arm/cpu/armv7/exynos/exynos5_setup.h
>> +++ b/arch/arm/cpu/armv7/exynos/exynos5_setup.h
>> @@ -436,6 +436,7 @@
>> */
>> #ifndef CONFIG_SMDK5420
>>
>> +
>
> unnecessary blank line.
will remove this
>
>> /* APLL_CON1 */
>> #define APLL_CON1_VAL (0x00203800)
>>
>> @@ -696,6 +697,7 @@
>> #define CLK_DIV_CPERI1_VAL NOT_AVAILABLE
>>
>> #else
>> +#define PAD_RETENTION_DRAM_COREBLK_VAL 0x10000000
>>
>> /* APLL_CON1 */
>> #define APLL_CON1_VAL (0x0020F300)
>> diff --git a/arch/arm/include/asm/arch-exynos/cpu.h b/arch/arm/include/asm/arch-exynos/cpu.h
>> index 2b44210..2c642ba 100644
>> --- a/arch/arm/include/asm/arch-exynos/cpu.h
>> +++ b/arch/arm/include/asm/arch-exynos/cpu.h
>> @@ -53,6 +53,7 @@
>> #define EXYNOS4_AUDIOSS_BASE DEVICE_NOT_AVAILABLE
>> #define EXYNOS4_USB_HOST_XHCI_BASE DEVICE_NOT_AVAILABLE
>> #define EXYNOS4_USB3PHY_BASE DEVICE_NOT_AVAILABLE
>> +#define EXYNOS4_DMC_TZASC0_BASE DEVICE_NOT_AVAILABLE
>>
>> /* EXYNOS4X12 */
>> #define EXYNOS4X12_GPIO_PART3_BASE 0x03860000
>> @@ -91,6 +92,7 @@
>> #define EXYNOS4X12_AUDIOSS_BASE DEVICE_NOT_AVAILABLE
>> #define EXYNOS4X12_USB_HOST_XHCI_BASE DEVICE_NOT_AVAILABLE
>> #define EXYNOS4X12_USB3PHY_BASE DEVICE_NOT_AVAILABLE
>> +#define EXYNOS4X12_DMC_TZASC0_BASE DEVICE_NOT_AVAILABLE
>>
>> /* EXYNOS5 */
>> #define EXYNOS5_I2C_SPACING 0x10000
>> @@ -129,6 +131,7 @@
>>
>> #define EXYNOS5_ADC_BASE DEVICE_NOT_AVAILABLE
>> #define EXYNOS5_MODEM_BASE DEVICE_NOT_AVAILABLE
>> +#define EXYNOS5_DMC_TZASC0_BASE DEVICE_NOT_AVAILABLE
>>
>> /* EXYNOS5420 */
>> #define EXYNOS5420_AUDIOSS_BASE 0x03810000
>> @@ -284,6 +287,7 @@ 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)
>> +SAMSUNG_BASE(dmc_tzasc0, DMC_TZASC0_BASE)
>
> then do we need to define two base addresses for TZASC?
> you never use TZASC1.
Acessing base address for TZASC1 in following manner. Hence added only
SAMSUNG_BASE(dmc_tzasc0, DMC_TZASC0_BASE)
"tzasc1 = (struct exynos5_tzasc *)(samsung_get_base_dmc_tzasc0()
+ DMC_OFFSET);"
>
>> SAMSUNG_BASE(audio_ass, AUDIOSS_BASE)
>> #endif
>>
>> diff --git a/arch/arm/include/asm/arch-exynos/dmc.h b/arch/arm/include/asm/arch-exynos/dmc.h
>> index f65c676..0913299 100644
>> --- a/arch/arm/include/asm/arch-exynos/dmc.h
>> +++ b/arch/arm/include/asm/arch-exynos/dmc.h
>> @@ -114,13 +114,24 @@ struct exynos4_dmc {
>> struct exynos5_dmc {
>> unsigned int concontrol;
>> unsigned int memcontrol;
>> +
>> +/*
>> + * Between 5250 and 5420, the DMC Register differs only at 0x8 offset.
>> + * So to use the same structure and simplify the code put a define to
>> + * distinguish between memconfig0 and cgcontrol register
>> + */
>> +#ifdef CONFIG_EXYNOS5250
>
> No. we don't allow ifdef.
Will add separate structure for 5420
>
>> unsigned int memconfig0;
>> +#else
>> + unsigned int cgcontrol;
>> +#endif
>> unsigned int memconfig1;
>> unsigned int directcmd;
>> - unsigned int prechconfig;
>> + unsigned int prechconfig0;
>> unsigned int phycontrol0;
>> - unsigned char res1[0xc];
>> - unsigned int pwrdnconfig;
>> + unsigned int prechconfig1;
>> + unsigned char res1[0x8];
>> + unsigned int pwrdnconfig; /* 0x0028*/
>> unsigned int timingpzq;
>> unsigned int timingref;
>> unsigned int timingrow;
>> @@ -128,12 +139,12 @@ struct exynos5_dmc {
>> unsigned int timingpower;
>> unsigned int phystatus;
>> unsigned char res2[0x4];
>> - unsigned int chipstatus_ch0;
>> + unsigned int chipstatus_ch0; /* 0x0048 */
>> unsigned int chipstatus_ch1;
>> unsigned char res3[0x4];
>> unsigned int mrstatus;
>> unsigned char res4[0x8];
>> - unsigned int qoscontrol0;
>> + unsigned int qoscontrol0; /* 0x0060 */
>> unsigned char resr5[0x4];
>> unsigned int qoscontrol1;
>> unsigned char res6[0x4];
>> @@ -164,45 +175,83 @@ struct exynos5_dmc {
>> unsigned int qoscontrol14;
>> unsigned char res19[0x4];
>> unsigned int qoscontrol15;
>> - unsigned char res20[0x14];
>> + unsigned char res20[0x4];
>> + unsigned int timing_set_sw; /* 0x00e0 */
>> + unsigned int timingrow1;
>> + unsigned int timingdata1;
>> + unsigned int timingpower1;
>> unsigned int ivcontrol;
>> unsigned int wrtra_config;
>> unsigned int rdlvl_config;
>> - unsigned char res21[0x8];
>> + unsigned char res21[0x4];
>> + unsigned int brbrsvcontrol; /* 0x0100*/
>> unsigned int brbrsvconfig;
>> unsigned int brbqosconfig;
>> unsigned int membaseconfig0;
>> - unsigned int membaseconfig1;
>> + unsigned int membaseconfig1; /* 0x0110 */
>> unsigned char res22[0xc];
>> - unsigned int wrlvl_config;
>> - unsigned char res23[0xc];
>> - unsigned int perevcontrol;
>> + unsigned int wrlvl_config0; /* 0x0120 */
>> + unsigned int wrlvl_config1;
>> + unsigned int wrlvl_status;
>> + unsigned char res23[0x4];
>> + unsigned int perevcontrol; /* 0x0130 */
>> unsigned int perev0config;
>> unsigned int perev1config;
>> unsigned int perev2config;
>> unsigned int perev3config;
>> - unsigned char res24[0xdebc];
>> - unsigned int pmnc_ppc_a;
>> - unsigned char res25[0xc];
>> - unsigned int cntens_ppc_a;
>> - unsigned char res26[0xc];
>> - unsigned int cntenc_ppc_a;
>> - unsigned char res27[0xc];
>> - unsigned int intens_ppc_a;
>> - unsigned char res28[0xc];
>> - unsigned int intenc_ppc_a;
>> - unsigned char res29[0xc];
>> - unsigned int flag_ppc_a;
>> - unsigned char res30[0xac];
>> - unsigned int ccnt_ppc_a;
>> - unsigned char res31[0xc];
>> - unsigned int pmcnt0_ppc_a;
>> + unsigned char res22a[0xc];
>> + unsigned int ctrl_io_rdata_ch0;
>> + unsigned int ctrl_io_rdata_ch1;
>> + unsigned char res23a[0x8];
>> + unsigned int cacal_config0;
>> + unsigned int cacal_config1;
>> + unsigned int cacal_status;
>> + unsigned char res24[0x94];
>> + unsigned int emergent_config0; /* 0x0200 */
>> + unsigned int emergent_config1;
>> + unsigned char res25[0x8];
>> + unsigned int bp_control0;
>> + unsigned int bp_control0_r;
>> + unsigned int bp_control0_w;
>> + unsigned char res26[0x4];
>> + unsigned int bp_control1;
>> + unsigned int bp_control1_r;
>> + unsigned int bp_control1_w;
>> + unsigned char res27[0x4];
>> + unsigned int bp_control2;
>> + unsigned int bp_control2_r;
>> + unsigned int bp_control2_w;
>> + unsigned char res28[0x4];
>> + unsigned int bp_control3;
>> + unsigned int bp_control3_r;
>> + unsigned int bp_control3_w;
>> + unsigned char res29[0xb4];
>> + unsigned int winconfig_odt_w; /* 0x0300 */
>> + unsigned char res30[0x4];
>> + unsigned int winconfig_ctrl_read;
>> + unsigned int winconfig_ctrl_gate;
>> + unsigned char res31[0xdcf0];
>> + unsigned int pmnc_ppc;
>> unsigned char res32[0xc];
>> - unsigned int pmcnt1_ppc_a;
>> + unsigned int cntens_ppc;
>> unsigned char res33[0xc];
>> - unsigned int pmcnt2_ppc_a;
>> + unsigned int cntenc_ppc;
>> unsigned char res34[0xc];
>> - unsigned int pmcnt3_ppc_a;
>> + unsigned int intens_ppc;
>> + unsigned char res35[0xc];
>> + unsigned int intenc_ppc;
>> + unsigned char res36[0xc];
>> + unsigned int flag_ppc; /* 0xe050 */
>> + unsigned char res37[0xac];
>> + unsigned int ccnt_ppc;
>> + unsigned char res38[0xc];
>> + unsigned int pmcnt0_ppc;
>> + unsigned char res39[0xc];
>> + unsigned int pmcnt1_ppc;
>> + unsigned char res40[0xc];
>> + unsigned int pmcnt2_ppc;
>> + unsigned char res41[0xc];
>> + unsigned int pmcnt3_ppc; /* 0xe140 */
>> };
>>
>> struct exynos5_phy_control {
>> @@ -211,13 +260,13 @@ struct exynos5_phy_control {
>> unsigned int phy_con2;
>> unsigned int phy_con3;
>> unsigned int phy_con4;
>> - unsigned char res1[4];
>> + unsigned int phy_con5;
>> unsigned int phy_con6;
>> unsigned char res2[4];
>> unsigned int phy_con8;
>> unsigned int phy_con9;
>> unsigned int phy_con10;
>> - unsigned char res3[4];
>> + unsigned int phy_con11;
>> unsigned int phy_con12;
>> unsigned int phy_con13;
>> unsigned int phy_con14;
>> @@ -252,6 +301,15 @@ struct exynos5_phy_control {
>> unsigned int phy_con42;
>> };
>>
>> +struct exynos5_tzasc {
>> + unsigned char res1[0xf00];
>> + unsigned int membaseconfig0;
>> + unsigned int membaseconfig1;
>> + unsigned char res2[0x8];
>> + unsigned int memconfig0;
>> + unsigned int memconfig1;
>> +};
>> +
>> enum ddr_mode {
>> DDR_MODE_DDR2,
>> DDR_MODE_DDR3,
>> @@ -286,6 +344,7 @@ enum mem_manuf {
>> #define PHY_CON0_T_WRRDCMD_SHIFT 17
>> #define PHY_CON0_T_WRRDCMD_MASK (0x7 << PHY_CON0_T_WRRDCMD_SHIFT)
>> #define PHY_CON0_CTRL_DDR_MODE_SHIFT 11
>> +#define PHY_CON0_CTRL_DDR_MODE_MASK 0x3
>>
>> /* PHY_CON1 register fields */
>> #define PHY_CON1_RDLVL_RDDATA_ADJ_SHIFT 0
>> diff --git a/arch/arm/include/asm/arch-exynos/power.h b/arch/arm/include/asm/arch-exynos/power.h
>> index 8db18c5..6077fc3 100644
>> --- a/arch/arm/include/asm/arch-exynos/power.h
>> +++ b/arch/arm/include/asm/arch-exynos/power.h
>> @@ -690,9 +690,15 @@ struct exynos5_power {
>> unsigned int pad_retention_spi_status;
>> unsigned int pad_retention_spi_option;
>> unsigned char res117[0x14];
>> + #ifdef CONFIG_EXYNOS5250
>
> ditto.
Will add separate structure for 5420
>> unsigned int pad_retention_gpio_dmc_configuration;
>> unsigned int pad_retention_gpio_dmc_status;
>> unsigned int pad_retention_gpio_dmc_option;
>> + #else
>> + unsigned int pad_retention_dram_coreblk_configuration;
>> + unsigned int pad_retention_dram_coreblk_status;
>> + unsigned int pad_retention_dram_coreblk_option;
>> + #endif
>> unsigned char res118[0x14];
>> unsigned int pad_isolation_configuration;
>> unsigned int pad_isolation_status;
>>
>
> Thanks,
> Minkyu Kang.
> _______________________________________________
> U-Boot mailing list
> U-Boot at lists.denx.de
> http://lists.denx.de/mailman/listinfo/u-boot
--
Regards,
Rajeshwari Shinde
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