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Code Issues Releases Activity

bdk: sdram: refactor init

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CTCaer 2024-07-02 18:02:05 +03:00
parent e47b6ec19b
commit 716cfbfbaf
2 changed files with 131 additions and 100 deletions
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215
bdk/mem/sdram.c
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@ -34,8 +34,6 @@
#include <soc/timer.h> #include <soc/timer.h>
#include <soc/t210.h> #include <soc/t210.h>
#define CONFIG_SDRAM_KEEP_ALIVE
#define DRAM_ID(x) BIT(x) #define DRAM_ID(x) BIT(x)
#define DRAM_CC(x) BIT(x) #define DRAM_CC(x) BIT(x)
@ -184,11 +182,11 @@ emc_mr_data_t sdram_read_mrx(emc_mr_t mrx)
return data; return data;
} }
void sdram_div_disable(bool enable) void sdram_src_pllc(bool enable)
{ {
static bool enabled = false; static bool enabled = false;
if (hw_get_chip_id() == GP_HIDREV_MAJOR_T210 && enable == enabled) if (hw_get_chip_id() == GP_HIDREV_MAJOR_T210 || enable == enabled)
return; return;
enabled = enable; enabled = enable;
@ -205,8 +203,8 @@ void sdram_div_disable(bool enable)
if (CLOCK(CLK_RST_CONTROLLER_CLK_SOURCE_EMC) != clk_src_emc) if (CLOCK(CLK_RST_CONTROLLER_CLK_SOURCE_EMC) != clk_src_emc)
return; return;
// Clear div. // Set source as PLLC_OUT0.
CLOCK(CLK_RST_CONTROLLER_CLK_SOURCE_EMC) = clk_src_emc & ~0xF; CLOCK(CLK_RST_CONTROLLER_CLK_SOURCE_EMC) = 0x20188004;
} }
else else
{ {
@ -216,19 +214,36 @@ void sdram_div_disable(bool enable)
// Wait for CC interrupt. // Wait for CC interrupt.
while (!(EMC(EMC_INTSTATUS) & BIT(4))) while (!(EMC(EMC_INTSTATUS) & BIT(4)))
; usleep(1);
} }
static void _sdram_config_t210(const sdram_params_t210_t *params) static void _sdram_config_t210(const sdram_params_t210_t *params)
{ {
// VDDP Select.
PMC(APBDEV_PMC_VDDP_SEL) = params->pmc_vddp_sel;
usleep(params->pmc_vddp_sel_wait);
// Set DDR pad voltage.
PMC(APBDEV_PMC_DDR_PWR) = PMC(APBDEV_PMC_DDR_PWR); // Normally params->pmc_ddr_pwr.
// Turn on MEM IO Power.
PMC(APBDEV_PMC_NO_IOPOWER) &= PMC_NO_IOPOWER_SDMMC1; // Only keep SDMMC1 state. (Was params->pmc_no_io_power).
PMC(APBDEV_PMC_REG_SHORT) = params->pmc_reg_short;
PMC(APBDEV_PMC_DDR_CNTRL) = params->pmc_ddr_ctrl;
// Patch 1 using BCT spare variables
if (params->emc_bct_spare0)
*(vu32 *)params->emc_bct_spare0 = params->emc_bct_spare1;
// Program DPD3/DPD4 regs (coldboot path). // Program DPD3/DPD4 regs (coldboot path).
// Enable sel_dpd on unused pins. // Enable sel_dpd on unused pins.
u32 dpd_req = (params->emc_pmc_scratch1 & 0x3FFFFFFF) | (2 << 30u); u32 dpd_req = (params->emc_pmc_scratch1 & 0x3FFFFFFF) | PMC_IO_DPD_REQ_DPD_ON;
PMC(APBDEV_PMC_IO_DPD3_REQ) = (dpd_req ^ 0xFFFF) & 0xC000FFFF; PMC(APBDEV_PMC_IO_DPD3_REQ) = (dpd_req ^ 0xFFFF) & 0xC000FFFF;
usleep(params->pmc_io_dpd3_req_wait); usleep(params->pmc_io_dpd3_req_wait);
// Disable e_dpd_vttgen. // Disable e_dpd_vttgen.
dpd_req = (params->emc_pmc_scratch2 & 0x3FFFFFFF) | (2 << 30u); dpd_req = (params->emc_pmc_scratch2 & 0x3FFFFFFF) | PMC_IO_DPD_REQ_DPD_ON;
PMC(APBDEV_PMC_IO_DPD4_REQ) = (dpd_req & 0xFFFF0000) ^ 0x3FFF0000; PMC(APBDEV_PMC_IO_DPD4_REQ) = (dpd_req & 0xFFFF0000) ^ 0x3FFF0000;
usleep(params->pmc_io_dpd4_req_wait); usleep(params->pmc_io_dpd4_req_wait);
@ -239,28 +254,24 @@ static void _sdram_config_t210(const sdram_params_t210_t *params)
PMC(APBDEV_PMC_WEAK_BIAS) = 0; PMC(APBDEV_PMC_WEAK_BIAS) = 0;
usleep(1); usleep(1);
// Start clocks. // Start PLLM.
CLOCK(CLK_RST_CONTROLLER_PLLM_MISC1) = params->pllm_setup_control; CLOCK(CLK_RST_CONTROLLER_PLLM_MISC1) = params->pllm_setup_control;
CLOCK(CLK_RST_CONTROLLER_PLLM_MISC2) = 0; CLOCK(CLK_RST_CONTROLLER_PLLM_MISC2) = 0;
#ifdef CONFIG_SDRAM_KEEP_ALIVE
CLOCK(CLK_RST_CONTROLLER_PLLM_BASE) =
(params->pllm_feedback_divider << 8) | params->pllm_input_divider | ((params->pllm_post_divider & 0xFFFF) << 20) | PLLCX_BASE_ENABLE;
#else
u32 pllm_div = (params->pllm_feedback_divider << 8) | params->pllm_input_divider | ((params->pllm_post_divider & 0xFFFF) << 20); u32 pllm_div = (params->pllm_feedback_divider << 8) | params->pllm_input_divider | ((params->pllm_post_divider & 0xFFFF) << 20);
CLOCK(CLK_RST_CONTROLLER_PLLM_BASE) = pllm_div; CLOCK(CLK_RST_CONTROLLER_PLLM_BASE) = pllm_div;
CLOCK(CLK_RST_CONTROLLER_PLLM_BASE) = pllm_div | PLLCX_BASE_ENABLE; CLOCK(CLK_RST_CONTROLLER_PLLM_BASE) = pllm_div | PLLCX_BASE_ENABLE;
#endif
u32 wait_end = get_tmr_us() + 300; u32 wait_end = get_tmr_us() + 300;
while (!(CLOCK(CLK_RST_CONTROLLER_PLLM_BASE) & 0x8000000)) while (!(CLOCK(CLK_RST_CONTROLLER_PLLM_BASE) & BIT(27)))
{ {
if (get_tmr_us() >= wait_end) if (get_tmr_us() >= wait_end)
goto break_nosleep; goto lock_timeout;
} }
usleep(10); usleep(10);
break_nosleep: lock_timeout:
// Set clock sources.
CLOCK(CLK_RST_CONTROLLER_CLK_SOURCE_EMC) = ((params->mc_emem_arb_misc0 >> 11) & 0x10000) | (params->emc_clock_source & 0xFFFEFFFF); CLOCK(CLK_RST_CONTROLLER_CLK_SOURCE_EMC) = ((params->mc_emem_arb_misc0 >> 11) & 0x10000) | (params->emc_clock_source & 0xFFFEFFFF);
if (params->emc_clock_source_dll) if (params->emc_clock_source_dll)
CLOCK(CLK_RST_CONTROLLER_CLK_SOURCE_EMC_DLL) = params->emc_clock_source_dll; CLOCK(CLK_RST_CONTROLLER_CLK_SOURCE_EMC_DLL) = params->emc_clock_source_dll;
@ -272,12 +283,13 @@ break_nosleep:
CLOCK(CLK_RST_CONTROLLER_CLK_ENB_X_SET) = BIT(CLK_X_EMC_DLL); CLOCK(CLK_RST_CONTROLLER_CLK_ENB_X_SET) = BIT(CLK_X_EMC_DLL);
CLOCK(CLK_RST_CONTROLLER_RST_DEV_H_CLR) = BIT(CLK_H_EMC) | BIT(CLK_H_MEM); CLOCK(CLK_RST_CONTROLLER_RST_DEV_H_CLR) = BIT(CLK_H_EMC) | BIT(CLK_H_MEM);
// Set pad macros. // Set pad vtt levels.
EMC(EMC_PMACRO_VTTGEN_CTRL_0) = params->emc_pmacro_vttgen_ctrl0; EMC(EMC_PMACRO_VTTGEN_CTRL_0) = params->emc_pmacro_vttgen_ctrl0;
EMC(EMC_PMACRO_VTTGEN_CTRL_1) = params->emc_pmacro_vttgen_ctrl1; EMC(EMC_PMACRO_VTTGEN_CTRL_1) = params->emc_pmacro_vttgen_ctrl1;
EMC(EMC_PMACRO_VTTGEN_CTRL_2) = params->emc_pmacro_vttgen_ctrl2; EMC(EMC_PMACRO_VTTGEN_CTRL_2) = params->emc_pmacro_vttgen_ctrl2;
EMC(EMC_TIMING_CONTROL) = 1; // Trigger timing update so above writes take place. // Trigger timing update so above writes take place.
EMC(EMC_TIMING_CONTROL) = 1;
usleep(10); // Ensure the regulators settle. usleep(10); // Ensure the regulators settle.
// Select EMC write mux. // Select EMC write mux.
@ -314,6 +326,7 @@ break_nosleep:
// This is required to do any reads from the pad macros. // This is required to do any reads from the pad macros.
EMC(EMC_CONFIG_SAMPLE_DELAY) = params->emc_config_sample_delay; EMC(EMC_CONFIG_SAMPLE_DELAY) = params->emc_config_sample_delay;
// Set data pipes mode.
EMC(EMC_FBIO_CFG8) = params->emc_fbio_cfg8; EMC(EMC_FBIO_CFG8) = params->emc_fbio_cfg8;
// Set swizzle for Rank 0. // Set swizzle for Rank 0.
@ -331,12 +344,12 @@ break_nosleep:
if (params->emc_bct_spare6) if (params->emc_bct_spare6)
*(vu32 *)params->emc_bct_spare6 = params->emc_bct_spare7; *(vu32 *)params->emc_bct_spare6 = params->emc_bct_spare7;
// Set pad controls. // Program calibration impedance.
EMC(EMC_XM2COMPPADCTRL) = params->emc_xm2_comp_pad_ctrl; EMC(EMC_XM2COMPPADCTRL) = params->emc_xm2_comp_pad_ctrl;
EMC(EMC_XM2COMPPADCTRL2) = params->emc_xm2_comp_pad_ctrl2; EMC(EMC_XM2COMPPADCTRL2) = params->emc_xm2_comp_pad_ctrl2;
EMC(EMC_XM2COMPPADCTRL3) = params->emc_xm2_comp_pad_ctrl3; EMC(EMC_XM2COMPPADCTRL3) = params->emc_xm2_comp_pad_ctrl3;
// Program Autocal controls with shadowed register fields. // Program Autocal controls.
EMC(EMC_AUTO_CAL_CONFIG2) = params->emc_auto_cal_config2; EMC(EMC_AUTO_CAL_CONFIG2) = params->emc_auto_cal_config2;
EMC(EMC_AUTO_CAL_CONFIG3) = params->emc_auto_cal_config3; EMC(EMC_AUTO_CAL_CONFIG3) = params->emc_auto_cal_config3;
EMC(EMC_AUTO_CAL_CONFIG4) = params->emc_auto_cal_config4; EMC(EMC_AUTO_CAL_CONFIG4) = params->emc_auto_cal_config4;
@ -345,6 +358,7 @@ break_nosleep:
EMC(EMC_AUTO_CAL_CONFIG7) = params->emc_auto_cal_config7; EMC(EMC_AUTO_CAL_CONFIG7) = params->emc_auto_cal_config7;
EMC(EMC_AUTO_CAL_CONFIG8) = params->emc_auto_cal_config8; EMC(EMC_AUTO_CAL_CONFIG8) = params->emc_auto_cal_config8;
// Program termination and drive strength
EMC(EMC_PMACRO_RX_TERM) = params->emc_pmacro_rx_term; EMC(EMC_PMACRO_RX_TERM) = params->emc_pmacro_rx_term;
EMC(EMC_PMACRO_DQ_TX_DRV) = params->emc_pmacro_dq_tx_drive; EMC(EMC_PMACRO_DQ_TX_DRV) = params->emc_pmacro_dq_tx_drive;
EMC(EMC_PMACRO_CA_TX_DRV) = params->emc_pmacro_ca_tx_drive; EMC(EMC_PMACRO_CA_TX_DRV) = params->emc_pmacro_ca_tx_drive;
@ -353,10 +367,12 @@ break_nosleep:
EMC(EMC_AUTO_CAL_CHANNEL) = params->emc_auto_cal_channel; EMC(EMC_AUTO_CAL_CHANNEL) = params->emc_auto_cal_channel;
EMC(EMC_PMACRO_ZCTRL) = params->emc_pmacro_zcrtl; EMC(EMC_PMACRO_ZCTRL) = params->emc_pmacro_zcrtl;
// Program dll config.
EMC(EMC_DLL_CFG_0) = params->emc_dll_cfg0; EMC(EMC_DLL_CFG_0) = params->emc_dll_cfg0;
EMC(EMC_DLL_CFG_1) = params->emc_dll_cfg1; EMC(EMC_DLL_CFG_1) = params->emc_dll_cfg1;
EMC(EMC_CFG_DIG_DLL_1) = params->emc_cfg_dig_dll_1; EMC(EMC_CFG_DIG_DLL_1) = params->emc_cfg_dig_dll_1;
// Program barrelshift.
EMC(EMC_DATA_BRLSHFT_0) = params->emc_data_brlshft0; EMC(EMC_DATA_BRLSHFT_0) = params->emc_data_brlshft0;
EMC(EMC_DATA_BRLSHFT_1) = params->emc_data_brlshft1; EMC(EMC_DATA_BRLSHFT_1) = params->emc_data_brlshft1;
EMC(EMC_DQS_BRLSHFT_0) = params->emc_dqs_brlshft0; EMC(EMC_DQS_BRLSHFT_0) = params->emc_dqs_brlshft0;
@ -370,6 +386,7 @@ break_nosleep:
EMC(EMC_QUSE_BRLSHFT_2) = params->emc_quse_brlshft2; EMC(EMC_QUSE_BRLSHFT_2) = params->emc_quse_brlshft2;
EMC(EMC_QUSE_BRLSHFT_3) = params->emc_quse_brlshft3; EMC(EMC_QUSE_BRLSHFT_3) = params->emc_quse_brlshft3;
// Program pad macros controls and termination.
EMC(EMC_PMACRO_BRICK_CTRL_RFU1) = (params->emc_pmacro_brick_ctrl_rfu1 & 0x1BF01BF) | 0x1E401E40; EMC(EMC_PMACRO_BRICK_CTRL_RFU1) = (params->emc_pmacro_brick_ctrl_rfu1 & 0x1BF01BF) | 0x1E401E40;
EMC(EMC_PMACRO_PAD_CFG_CTRL) = params->emc_pmacro_pad_cfg_ctrl; EMC(EMC_PMACRO_PAD_CFG_CTRL) = params->emc_pmacro_pad_cfg_ctrl;
@ -384,6 +401,7 @@ break_nosleep:
EMC(EMC_PMACRO_CMD_RX_TERM_MODE) = params->emc_pmacro_cmd_rx_term_mode; EMC(EMC_PMACRO_CMD_RX_TERM_MODE) = params->emc_pmacro_cmd_rx_term_mode;
EMC(EMC_PMACRO_CMD_PAD_TX_CTRL) = params->emc_pmacro_cmd_pad_tx_ctrl; EMC(EMC_PMACRO_CMD_PAD_TX_CTRL) = params->emc_pmacro_cmd_pad_tx_ctrl;
// Program pad macro pins/bytes.
EMC(EMC_CFG_3) = params->emc_cfg3; EMC(EMC_CFG_3) = params->emc_cfg3;
EMC(EMC_PMACRO_TX_PWRD_0) = params->emc_pmacro_tx_pwrd0; EMC(EMC_PMACRO_TX_PWRD_0) = params->emc_pmacro_tx_pwrd0;
EMC(EMC_PMACRO_TX_PWRD_1) = params->emc_pmacro_tx_pwrd1; EMC(EMC_PMACRO_TX_PWRD_1) = params->emc_pmacro_tx_pwrd1;
@ -404,12 +422,15 @@ break_nosleep:
EMC(EMC_PMACRO_CMD_CTRL_0) = params->emc_pmacro_cmd_ctrl0; EMC(EMC_PMACRO_CMD_CTRL_0) = params->emc_pmacro_cmd_ctrl0;
EMC(EMC_PMACRO_CMD_CTRL_1) = params->emc_pmacro_cmd_ctrl1; EMC(EMC_PMACRO_CMD_CTRL_1) = params->emc_pmacro_cmd_ctrl1;
EMC(EMC_PMACRO_CMD_CTRL_2) = params->emc_pmacro_cmd_ctrl2; EMC(EMC_PMACRO_CMD_CTRL_2) = params->emc_pmacro_cmd_ctrl2;
// Program inbound vref setting.
EMC(EMC_PMACRO_IB_VREF_DQ_0) = params->emc_pmacro_ib_vref_dq_0; EMC(EMC_PMACRO_IB_VREF_DQ_0) = params->emc_pmacro_ib_vref_dq_0;
EMC(EMC_PMACRO_IB_VREF_DQ_1) = params->emc_pmacro_ib_vref_dq_1; EMC(EMC_PMACRO_IB_VREF_DQ_1) = params->emc_pmacro_ib_vref_dq_1;
EMC(EMC_PMACRO_IB_VREF_DQS_0) = params->emc_pmacro_ib_vref_dqs_0; EMC(EMC_PMACRO_IB_VREF_DQS_0) = params->emc_pmacro_ib_vref_dqs_0;
EMC(EMC_PMACRO_IB_VREF_DQS_1) = params->emc_pmacro_ib_vref_dqs_1; EMC(EMC_PMACRO_IB_VREF_DQS_1) = params->emc_pmacro_ib_vref_dqs_1;
EMC(EMC_PMACRO_IB_RXRT) = params->emc_pmacro_ib_rxrt; EMC(EMC_PMACRO_IB_RXRT) = params->emc_pmacro_ib_rxrt;
// Program quse trimmers.
EMC(EMC_PMACRO_QUSE_DDLL_RANK0_0) = params->emc_pmacro_quse_ddll_rank0_0; EMC(EMC_PMACRO_QUSE_DDLL_RANK0_0) = params->emc_pmacro_quse_ddll_rank0_0;
EMC(EMC_PMACRO_QUSE_DDLL_RANK0_1) = params->emc_pmacro_quse_ddll_rank0_1; EMC(EMC_PMACRO_QUSE_DDLL_RANK0_1) = params->emc_pmacro_quse_ddll_rank0_1;
EMC(EMC_PMACRO_QUSE_DDLL_RANK0_2) = params->emc_pmacro_quse_ddll_rank0_2; EMC(EMC_PMACRO_QUSE_DDLL_RANK0_2) = params->emc_pmacro_quse_ddll_rank0_2;
@ -424,6 +445,7 @@ break_nosleep:
EMC(EMC_PMACRO_QUSE_DDLL_RANK1_5) = params->emc_pmacro_quse_ddll_rank1_5; EMC(EMC_PMACRO_QUSE_DDLL_RANK1_5) = params->emc_pmacro_quse_ddll_rank1_5;
EMC(EMC_PMACRO_BRICK_CTRL_RFU1) = params->emc_pmacro_brick_ctrl_rfu1; EMC(EMC_PMACRO_BRICK_CTRL_RFU1) = params->emc_pmacro_brick_ctrl_rfu1;
// Program outbound trimmers.
EMC(EMC_PMACRO_OB_DDLL_LONG_DQ_RANK0_0) = params->emc_pmacro_ob_ddll_long_dq_rank0_0; EMC(EMC_PMACRO_OB_DDLL_LONG_DQ_RANK0_0) = params->emc_pmacro_ob_ddll_long_dq_rank0_0;
EMC(EMC_PMACRO_OB_DDLL_LONG_DQ_RANK0_1) = params->emc_pmacro_ob_ddll_long_dq_rank0_1; EMC(EMC_PMACRO_OB_DDLL_LONG_DQ_RANK0_1) = params->emc_pmacro_ob_ddll_long_dq_rank0_1;
EMC(EMC_PMACRO_OB_DDLL_LONG_DQ_RANK0_2) = params->emc_pmacro_ob_ddll_long_dq_rank0_2; EMC(EMC_PMACRO_OB_DDLL_LONG_DQ_RANK0_2) = params->emc_pmacro_ob_ddll_long_dq_rank0_2;
@ -458,6 +480,7 @@ break_nosleep:
EMC(EMC_PMACRO_IB_DDLL_LONG_DQS_RANK1_2) = params->emc_pmacro_ib_ddll_long_dqs_rank1_2; EMC(EMC_PMACRO_IB_DDLL_LONG_DQS_RANK1_2) = params->emc_pmacro_ib_ddll_long_dqs_rank1_2;
EMC(EMC_PMACRO_IB_DDLL_LONG_DQS_RANK1_3) = params->emc_pmacro_ib_ddll_long_dqs_rank1_3; EMC(EMC_PMACRO_IB_DDLL_LONG_DQS_RANK1_3) = params->emc_pmacro_ib_ddll_long_dqs_rank1_3;
// Program clock trimmers.
EMC(EMC_PMACRO_DDLL_LONG_CMD_0) = params->emc_pmacro_ddll_long_cmd_0; EMC(EMC_PMACRO_DDLL_LONG_CMD_0) = params->emc_pmacro_ddll_long_cmd_0;
EMC(EMC_PMACRO_DDLL_LONG_CMD_1) = params->emc_pmacro_ddll_long_cmd_1; EMC(EMC_PMACRO_DDLL_LONG_CMD_1) = params->emc_pmacro_ddll_long_cmd_1;
EMC(EMC_PMACRO_DDLL_LONG_CMD_2) = params->emc_pmacro_ddll_long_cmd_2; EMC(EMC_PMACRO_DDLL_LONG_CMD_2) = params->emc_pmacro_ddll_long_cmd_2;
@ -474,7 +497,8 @@ break_nosleep:
if (params->emc_bct_spare4) if (params->emc_bct_spare4)
*(vu32 *)params->emc_bct_spare4 = params->emc_bct_spare5; *(vu32 *)params->emc_bct_spare4 = params->emc_bct_spare5;
EMC(EMC_TIMING_CONTROL) = 1; // Trigger timing update so above writes take place. // Trigger timing update so above writes take place.
EMC(EMC_TIMING_CONTROL) = 1;
// Initialize MC VPR settings. // Initialize MC VPR settings.
MC(MC_VIDEO_PROTECT_BOM) = params->mc_video_protect_bom; MC(MC_VIDEO_PROTECT_BOM) = params->mc_video_protect_bom;
@ -539,7 +563,8 @@ break_nosleep:
MC(MC_EMEM_ARB_RSV) = params->mc_emem_arb_rsv; MC(MC_EMEM_ARB_RSV) = params->mc_emem_arb_rsv;
MC(MC_DA_CONFIG0) = params->mc_da_cfg0; MC(MC_DA_CONFIG0) = params->mc_da_cfg0;
MC(MC_TIMING_CONTROL) = 1; // Trigger MC timing update. // Trigger MC timing update.
MC(MC_TIMING_CONTROL) = 1;
// Program second-level clock enable overrides. // Program second-level clock enable overrides.
MC(MC_CLKEN_OVERRIDE) = params->mc_clken_override; MC(MC_CLKEN_OVERRIDE) = params->mc_clken_override;
@ -561,6 +586,7 @@ break_nosleep:
EMC(EMC_AUTO_CAL_VREF_SEL_0) = params->emc_auto_cal_vref_sel0; EMC(EMC_AUTO_CAL_VREF_SEL_0) = params->emc_auto_cal_vref_sel0;
EMC(EMC_AUTO_CAL_VREF_SEL_1) = params->emc_auto_cal_vref_sel1; EMC(EMC_AUTO_CAL_VREF_SEL_1) = params->emc_auto_cal_vref_sel1;
// Program/Start auto calibration.
EMC(EMC_AUTO_CAL_INTERVAL) = params->emc_auto_cal_interval; EMC(EMC_AUTO_CAL_INTERVAL) = params->emc_auto_cal_interval;
EMC(EMC_AUTO_CAL_CONFIG) = params->emc_auto_cal_config; EMC(EMC_AUTO_CAL_CONFIG) = params->emc_auto_cal_config;
usleep(params->emc_auto_cal_wait); usleep(params->emc_auto_cal_wait);
@ -618,10 +644,12 @@ break_nosleep:
EMC(EMC_PMACRO_COMMON_PAD_TX_CTRL) = params->emc_pmacro_common_pad_tx_ctrl; EMC(EMC_PMACRO_COMMON_PAD_TX_CTRL) = params->emc_pmacro_common_pad_tx_ctrl;
EMC(EMC_DBG) = params->emc_dbg; EMC(EMC_DBG) = params->emc_dbg;
// Clear read fifo.
EMC(EMC_QRST) = params->emc_qrst; EMC(EMC_QRST) = params->emc_qrst;
EMC(EMC_ISSUE_QRST) = 1; EMC(EMC_ISSUE_QRST) = 1;
EMC(EMC_ISSUE_QRST) = 0; EMC(EMC_ISSUE_QRST) = 0;
// Program the rest of EMC timing configuration.
EMC(EMC_QSAFE) = params->emc_qsafe; EMC(EMC_QSAFE) = params->emc_qsafe;
EMC(EMC_RDV) = params->emc_rdv; EMC(EMC_RDV) = params->emc_rdv;
EMC(EMC_RDV_MASK) = params->emc_rdv_mask; EMC(EMC_RDV_MASK) = params->emc_rdv_mask;
@ -670,14 +698,16 @@ break_nosleep:
if (params->boot_rom_patch_control & BIT(31)) if (params->boot_rom_patch_control & BIT(31))
{ {
*(vu32 *)(APB_MISC_BASE + params->boot_rom_patch_control * 4) = params->boot_rom_patch_data; *(vu32 *)(APB_MISC_BASE + params->boot_rom_patch_control * 4) = params->boot_rom_patch_data;
MC(MC_TIMING_CONTROL) = 1; // Trigger MC timing update.
// Trigger MC timing update.
MC(MC_TIMING_CONTROL) = 1;
} }
// Release SEL_DPD_CMD. // Release SEL_DPD_CMD.
PMC(APBDEV_PMC_IO_DPD3_REQ) = (params->emc_pmc_scratch1 & 0xFFF0000) | (1 << 30u); PMC(APBDEV_PMC_IO_DPD3_REQ) = (params->emc_pmc_scratch1 & 0xFFF0000) | PMC_IO_DPD_REQ_DPD_OFF;
usleep(params->pmc_io_dpd3_req_wait); usleep(params->pmc_io_dpd3_req_wait);
// Set autocal interval if not configured. // Stall auto call measurements if periodic calibration is disabled.
if (!params->emc_auto_cal_interval) if (!params->emc_auto_cal_interval)
EMC(EMC_AUTO_CAL_CONFIG) = params->emc_auto_cal_config | 0x200; EMC(EMC_AUTO_CAL_CONFIG) = params->emc_auto_cal_config | 0x200;
@ -690,7 +720,8 @@ break_nosleep:
EMC(EMC_ZCAL_MRW_CMD) = params->emc_zcal_mrw_cmd; EMC(EMC_ZCAL_MRW_CMD) = params->emc_zcal_mrw_cmd;
} }
EMC(EMC_TIMING_CONTROL) = 1; // Trigger timing update so above writes take place. // Trigger timing update so above writes take place.
EMC(EMC_TIMING_CONTROL) = 1;
usleep(params->emc_timing_control_wait); usleep(params->emc_timing_control_wait);
// Deassert HOLD_CKE_LOW. // Deassert HOLD_CKE_LOW.
@ -759,7 +790,8 @@ break_nosleep:
if (params->emc_bct_spare12) if (params->emc_bct_spare12)
*(vu32 *)params->emc_bct_spare12 = params->emc_bct_spare13; *(vu32 *)params->emc_bct_spare12 = params->emc_bct_spare13;
EMC(EMC_TIMING_CONTROL) = 1; // Trigger timing update so above writes take place. // Trigger timing update so above writes take place.
EMC(EMC_TIMING_CONTROL) = 1;
if (params->emc_extra_refresh_num) if (params->emc_extra_refresh_num)
EMC(EMC_REF) = (((1 << params->emc_extra_refresh_num) - 1) << 8) | (params->emc_dev_select << 30) | 3; EMC(EMC_REF) = (((1 << params->emc_extra_refresh_num) - 1) << 8) | (params->emc_dev_select << 30) | 3;
@ -777,7 +809,8 @@ break_nosleep:
// Write addr swizzle lock bit. // Write addr swizzle lock bit.
EMC(EMC_FBIO_SPARE) = params->emc_fbio_spare | BIT(1); EMC(EMC_FBIO_SPARE) = params->emc_fbio_spare | BIT(1);
EMC(EMC_TIMING_CONTROL) = 1; // Re-trigger timing to latch power saving functions. // Re-trigger timing to latch power saving functions.
EMC(EMC_TIMING_CONTROL) = 1;
// Enable EMC pipe clock gating. // Enable EMC pipe clock gating.
EMC(EMC_CFG_PIPE_CLK) = params->emc_cfg_pipe_clk; EMC(EMC_CFG_PIPE_CLK) = params->emc_cfg_pipe_clk;
@ -799,8 +832,19 @@ break_nosleep:
static void _sdram_config_t210b01(const sdram_params_t210b01_t *params) static void _sdram_config_t210b01(const sdram_params_t210b01_t *params)
{ {
u32 pmc_scratch1 = ~params->emc_pmc_scratch1; // VDDP Select.
u32 pmc_scratch2 = ~params->emc_pmc_scratch2; PMC(APBDEV_PMC_VDDP_SEL) = params->pmc_vddp_sel;
usleep(params->pmc_vddp_sel_wait);
// Turn on MEM IO Power.
PMC(APBDEV_PMC_NO_IOPOWER) &= PMC_NO_IOPOWER_SDMMC1; // Only keep SDMMC1 state. (Was params->pmc_no_io_power).
PMC(APBDEV_PMC_REG_SHORT) = params->pmc_reg_short;
PMC(APBDEV_PMC_DDR_CNTRL) = params->pmc_ddr_ctrl;
// Patch 1 using BCT spare variables
if (params->emc_bct_spare0)
*(vu32 *)params->emc_bct_spare0 = params->emc_bct_spare1;
// Override HW FSM if needed. // Override HW FSM if needed.
if (params->clk_rst_pllm_misc20_override_enable) if (params->clk_rst_pllm_misc20_override_enable)
@ -808,16 +852,18 @@ static void _sdram_config_t210b01(const sdram_params_t210b01_t *params)
// Program DPD3/DPD4 regs (coldboot path). // Program DPD3/DPD4 regs (coldboot path).
// Enable sel_dpd on unused pins. // Enable sel_dpd on unused pins.
u32 pmc_scratch1 = ~params->emc_pmc_scratch1;
PMC(APBDEV_PMC_WEAK_BIAS) = (pmc_scratch1 & 0x1000) << 19 | (pmc_scratch1 & 0xFFF) << 18 | (pmc_scratch1 & 0x8000) << 15; PMC(APBDEV_PMC_WEAK_BIAS) = (pmc_scratch1 & 0x1000) << 19 | (pmc_scratch1 & 0xFFF) << 18 | (pmc_scratch1 & 0x8000) << 15;
PMC(APBDEV_PMC_IO_DPD3_REQ) = (pmc_scratch1 & 0x9FFF) | (2 << 30u); PMC(APBDEV_PMC_IO_DPD3_REQ) = (pmc_scratch1 & 0x9FFF) | PMC_IO_DPD_REQ_DPD_ON;
usleep(params->pmc_io_dpd3_req_wait); usleep(params->pmc_io_dpd3_req_wait);
// Disable e_dpd_vttgen. // Disable e_dpd_vttgen.
PMC(APBDEV_PMC_IO_DPD4_REQ) = (pmc_scratch2 & 0x3FFF0000) | (2 << 30u); u32 pmc_scratch2 = ~params->emc_pmc_scratch2;
PMC(APBDEV_PMC_IO_DPD4_REQ) = (pmc_scratch2 & 0x3FFF0000) | PMC_IO_DPD_REQ_DPD_ON;
usleep(params->pmc_io_dpd4_req_wait); usleep(params->pmc_io_dpd4_req_wait);
// Disable e_dpd_bg. // Disable e_dpd_bg.
PMC(APBDEV_PMC_IO_DPD4_REQ) = (pmc_scratch2 & 0x1FFF) | (2 << 30u); PMC(APBDEV_PMC_IO_DPD4_REQ) = (pmc_scratch2 & 0x1FFF) | PMC_IO_DPD_REQ_DPD_ON;
usleep(1); usleep(1);
// Program CMD mapping. Required before brick mapping, else // Program CMD mapping. Required before brick mapping, else
@ -858,7 +904,8 @@ static void _sdram_config_t210b01(const sdram_params_t210b01_t *params)
if (params->emc_bct_spare_secure4) if (params->emc_bct_spare_secure4)
*(vu32 *)params->emc_bct_spare_secure4 = params->emc_bct_spare_secure5; *(vu32 *)params->emc_bct_spare_secure4 = params->emc_bct_spare_secure5;
EMC(EMC_TIMING_CONTROL) = 1; // Trigger timing update so above writes take place. // Trigger timing update so above writes take place.
EMC(EMC_TIMING_CONTROL) = 1;
usleep(params->pmc_vddp_sel_wait + 2); // Ensure the regulators settle. usleep(params->pmc_vddp_sel_wait + 2); // Ensure the regulators settle.
// Set clock sources. // Set clock sources.
@ -875,6 +922,7 @@ static void _sdram_config_t210b01(const sdram_params_t210b01_t *params)
// This is required to do any reads from the pad macros. // This is required to do any reads from the pad macros.
EMC(EMC_CONFIG_SAMPLE_DELAY) = params->emc_config_sample_delay; EMC(EMC_CONFIG_SAMPLE_DELAY) = params->emc_config_sample_delay;
// Set data pipes mode.
EMC(EMC_FBIO_CFG8) = params->emc_fbio_cfg8; EMC(EMC_FBIO_CFG8) = params->emc_fbio_cfg8;
// Set swizzle for Rank 0. // Set swizzle for Rank 0.
@ -892,12 +940,12 @@ static void _sdram_config_t210b01(const sdram_params_t210b01_t *params)
if (params->emc_bct_spare6) if (params->emc_bct_spare6)
*(vu32 *)params->emc_bct_spare6 = params->emc_bct_spare7; *(vu32 *)params->emc_bct_spare6 = params->emc_bct_spare7;
// Set pad controls. // Program calibration impedance.
EMC(EMC_XM2COMPPADCTRL) = params->emc_xm2_comp_pad_ctrl; EMC(EMC_XM2COMPPADCTRL) = params->emc_xm2_comp_pad_ctrl;
EMC(EMC_XM2COMPPADCTRL2) = params->emc_xm2_comp_pad_ctrl2; EMC(EMC_XM2COMPPADCTRL2) = params->emc_xm2_comp_pad_ctrl2;
EMC(EMC_XM2COMPPADCTRL3) = params->emc_xm2_comp_pad_ctrl3; EMC(EMC_XM2COMPPADCTRL3) = params->emc_xm2_comp_pad_ctrl3;
// Program Autocal controls with shadowed register fields. // Program Autocal controls.
EMC(EMC_AUTO_CAL_CONFIG2) = params->emc_auto_cal_config2; EMC(EMC_AUTO_CAL_CONFIG2) = params->emc_auto_cal_config2;
EMC(EMC_AUTO_CAL_CONFIG3) = params->emc_auto_cal_config3; EMC(EMC_AUTO_CAL_CONFIG3) = params->emc_auto_cal_config3;
EMC(EMC_AUTO_CAL_CONFIG4) = params->emc_auto_cal_config4; EMC(EMC_AUTO_CAL_CONFIG4) = params->emc_auto_cal_config4;
@ -906,6 +954,7 @@ static void _sdram_config_t210b01(const sdram_params_t210b01_t *params)
EMC(EMC_AUTO_CAL_CONFIG7) = params->emc_auto_cal_config7; EMC(EMC_AUTO_CAL_CONFIG7) = params->emc_auto_cal_config7;
EMC(EMC_AUTO_CAL_CONFIG8) = params->emc_auto_cal_config8; EMC(EMC_AUTO_CAL_CONFIG8) = params->emc_auto_cal_config8;
// Program termination and drive strength
EMC(EMC_PMACRO_RX_TERM) = params->emc_pmacro_rx_term; EMC(EMC_PMACRO_RX_TERM) = params->emc_pmacro_rx_term;
EMC(EMC_PMACRO_DQ_TX_DRV) = params->emc_pmacro_dq_tx_drive; EMC(EMC_PMACRO_DQ_TX_DRV) = params->emc_pmacro_dq_tx_drive;
EMC(EMC_PMACRO_CA_TX_DRV) = params->emc_pmacro_ca_tx_drive; EMC(EMC_PMACRO_CA_TX_DRV) = params->emc_pmacro_ca_tx_drive;
@ -914,10 +963,12 @@ static void _sdram_config_t210b01(const sdram_params_t210b01_t *params)
EMC(EMC_AUTO_CAL_CHANNEL) = params->emc_auto_cal_channel; EMC(EMC_AUTO_CAL_CHANNEL) = params->emc_auto_cal_channel;
EMC(EMC_PMACRO_ZCTRL) = params->emc_pmacro_zcrtl; EMC(EMC_PMACRO_ZCTRL) = params->emc_pmacro_zcrtl;
// Program dll config.
EMC(EMC_DLL_CFG_0) = params->emc_dll_cfg0; EMC(EMC_DLL_CFG_0) = params->emc_dll_cfg0;
EMC(EMC_DLL_CFG_1) = params->emc_dll_cfg1; EMC(EMC_DLL_CFG_1) = params->emc_dll_cfg1;
EMC(EMC_CFG_DIG_DLL_1) = params->emc_cfg_dig_dll_1; EMC(EMC_CFG_DIG_DLL_1) = params->emc_cfg_dig_dll_1;
// Program barrelshift.
EMC(EMC_DATA_BRLSHFT_0) = params->emc_data_brlshft0; EMC(EMC_DATA_BRLSHFT_0) = params->emc_data_brlshft0;
EMC(EMC_DATA_BRLSHFT_1) = params->emc_data_brlshft1; EMC(EMC_DATA_BRLSHFT_1) = params->emc_data_brlshft1;
EMC(EMC_DQS_BRLSHFT_0) = params->emc_dqs_brlshft0; EMC(EMC_DQS_BRLSHFT_0) = params->emc_dqs_brlshft0;
@ -931,6 +982,7 @@ static void _sdram_config_t210b01(const sdram_params_t210b01_t *params)
EMC(EMC_QUSE_BRLSHFT_2) = params->emc_quse_brlshft2; EMC(EMC_QUSE_BRLSHFT_2) = params->emc_quse_brlshft2;
EMC(EMC_QUSE_BRLSHFT_3) = params->emc_quse_brlshft3; EMC(EMC_QUSE_BRLSHFT_3) = params->emc_quse_brlshft3;
// Program pad macros controls and termination.
EMC(EMC_PMACRO_BRICK_CTRL_RFU1) = params->emc_pmacro_brick_ctrl_rfu1; EMC(EMC_PMACRO_BRICK_CTRL_RFU1) = params->emc_pmacro_brick_ctrl_rfu1;
EMC(EMC_PMACRO_PAD_CFG_CTRL) = params->emc_pmacro_pad_cfg_ctrl; EMC(EMC_PMACRO_PAD_CFG_CTRL) = params->emc_pmacro_pad_cfg_ctrl;
@ -944,6 +996,7 @@ static void _sdram_config_t210b01(const sdram_params_t210b01_t *params)
EMC(EMC_PMACRO_CMD_RX_TERM_MODE) = params->emc_pmacro_cmd_rx_term_mode; EMC(EMC_PMACRO_CMD_RX_TERM_MODE) = params->emc_pmacro_cmd_rx_term_mode;
EMC(EMC_PMACRO_CMD_PAD_TX_CTRL) = params->emc_pmacro_cmd_pad_tx_ctrl & 0xEFFFFFFF; EMC(EMC_PMACRO_CMD_PAD_TX_CTRL) = params->emc_pmacro_cmd_pad_tx_ctrl & 0xEFFFFFFF;
// Program pad macro pins/bytes.
EMC(EMC_CFG_3) = params->emc_cfg3; EMC(EMC_CFG_3) = params->emc_cfg3;
EMC(EMC_PMACRO_TX_PWRD_0) = params->emc_pmacro_tx_pwrd0; EMC(EMC_PMACRO_TX_PWRD_0) = params->emc_pmacro_tx_pwrd0;
EMC(EMC_PMACRO_TX_PWRD_1) = params->emc_pmacro_tx_pwrd1; EMC(EMC_PMACRO_TX_PWRD_1) = params->emc_pmacro_tx_pwrd1;
@ -987,12 +1040,15 @@ static void _sdram_config_t210b01(const sdram_params_t210b01_t *params)
EMC(EMC_PMACRO_CMD_CTRL_0) = params->emc_pmacro_cmd_ctrl0; EMC(EMC_PMACRO_CMD_CTRL_0) = params->emc_pmacro_cmd_ctrl0;
EMC(EMC_PMACRO_CMD_CTRL_1) = params->emc_pmacro_cmd_ctrl1; EMC(EMC_PMACRO_CMD_CTRL_1) = params->emc_pmacro_cmd_ctrl1;
EMC(EMC_PMACRO_CMD_CTRL_2) = params->emc_pmacro_cmd_ctrl2; EMC(EMC_PMACRO_CMD_CTRL_2) = params->emc_pmacro_cmd_ctrl2;
// Program inbound vref setting.
EMC(EMC_PMACRO_IB_VREF_DQ_0) = params->emc_pmacro_ib_vref_dq_0; EMC(EMC_PMACRO_IB_VREF_DQ_0) = params->emc_pmacro_ib_vref_dq_0;
EMC(EMC_PMACRO_IB_VREF_DQ_1) = params->emc_pmacro_ib_vref_dq_1; EMC(EMC_PMACRO_IB_VREF_DQ_1) = params->emc_pmacro_ib_vref_dq_1;
EMC(EMC_PMACRO_IB_VREF_DQS_0) = params->emc_pmacro_ib_vref_dqs_0; EMC(EMC_PMACRO_IB_VREF_DQS_0) = params->emc_pmacro_ib_vref_dqs_0;
EMC(EMC_PMACRO_IB_VREF_DQS_1) = params->emc_pmacro_ib_vref_dqs_1; EMC(EMC_PMACRO_IB_VREF_DQS_1) = params->emc_pmacro_ib_vref_dqs_1;
EMC(EMC_PMACRO_IB_RXRT) = params->emc_pmacro_ib_rxrt; EMC(EMC_PMACRO_IB_RXRT) = params->emc_pmacro_ib_rxrt;
// Program quse trimmers.
EMC(EMC_PMACRO_QUSE_DDLL_RANK0_0) = params->emc_pmacro_quse_ddll_rank0_0; EMC(EMC_PMACRO_QUSE_DDLL_RANK0_0) = params->emc_pmacro_quse_ddll_rank0_0;
EMC(EMC_PMACRO_QUSE_DDLL_RANK0_1) = params->emc_pmacro_quse_ddll_rank0_1; EMC(EMC_PMACRO_QUSE_DDLL_RANK0_1) = params->emc_pmacro_quse_ddll_rank0_1;
EMC(EMC_PMACRO_QUSE_DDLL_RANK0_2) = params->emc_pmacro_quse_ddll_rank0_2; EMC(EMC_PMACRO_QUSE_DDLL_RANK0_2) = params->emc_pmacro_quse_ddll_rank0_2;
@ -1006,6 +1062,7 @@ static void _sdram_config_t210b01(const sdram_params_t210b01_t *params)
EMC(EMC_PMACRO_QUSE_DDLL_RANK1_4) = params->emc_pmacro_quse_ddll_rank1_4; EMC(EMC_PMACRO_QUSE_DDLL_RANK1_4) = params->emc_pmacro_quse_ddll_rank1_4;
EMC(EMC_PMACRO_QUSE_DDLL_RANK1_5) = params->emc_pmacro_quse_ddll_rank1_5; EMC(EMC_PMACRO_QUSE_DDLL_RANK1_5) = params->emc_pmacro_quse_ddll_rank1_5;
// Program outbound trimmers.
EMC(EMC_PMACRO_OB_DDLL_LONG_DQ_RANK0_0) = params->emc_pmacro_ob_ddll_long_dq_rank0_0; EMC(EMC_PMACRO_OB_DDLL_LONG_DQ_RANK0_0) = params->emc_pmacro_ob_ddll_long_dq_rank0_0;
EMC(EMC_PMACRO_OB_DDLL_LONG_DQ_RANK0_1) = params->emc_pmacro_ob_ddll_long_dq_rank0_1; EMC(EMC_PMACRO_OB_DDLL_LONG_DQ_RANK0_1) = params->emc_pmacro_ob_ddll_long_dq_rank0_1;
EMC(EMC_PMACRO_OB_DDLL_LONG_DQ_RANK0_2) = params->emc_pmacro_ob_ddll_long_dq_rank0_2; EMC(EMC_PMACRO_OB_DDLL_LONG_DQ_RANK0_2) = params->emc_pmacro_ob_ddll_long_dq_rank0_2;
@ -1040,6 +1097,7 @@ static void _sdram_config_t210b01(const sdram_params_t210b01_t *params)
EMC(EMC_PMACRO_IB_DDLL_LONG_DQS_RANK1_2) = params->emc_pmacro_ib_ddll_long_dqs_rank1_2; EMC(EMC_PMACRO_IB_DDLL_LONG_DQS_RANK1_2) = params->emc_pmacro_ib_ddll_long_dqs_rank1_2;
EMC(EMC_PMACRO_IB_DDLL_LONG_DQS_RANK1_3) = params->emc_pmacro_ib_ddll_long_dqs_rank1_3; EMC(EMC_PMACRO_IB_DDLL_LONG_DQS_RANK1_3) = params->emc_pmacro_ib_ddll_long_dqs_rank1_3;
// Program clock trimmers.
EMC(EMC_PMACRO_DDLL_LONG_CMD_0) = params->emc_pmacro_ddll_long_cmd_0; EMC(EMC_PMACRO_DDLL_LONG_CMD_0) = params->emc_pmacro_ddll_long_cmd_0;
EMC(EMC_PMACRO_DDLL_LONG_CMD_1) = params->emc_pmacro_ddll_long_cmd_1; EMC(EMC_PMACRO_DDLL_LONG_CMD_1) = params->emc_pmacro_ddll_long_cmd_1;
EMC(EMC_PMACRO_DDLL_LONG_CMD_2) = params->emc_pmacro_ddll_long_cmd_2; EMC(EMC_PMACRO_DDLL_LONG_CMD_2) = params->emc_pmacro_ddll_long_cmd_2;
@ -1064,7 +1122,8 @@ static void _sdram_config_t210b01(const sdram_params_t210b01_t *params)
if (params->emc_bct_spare_secure10) if (params->emc_bct_spare_secure10)
*(vu32 *)params->emc_bct_spare_secure10 = params->emc_bct_spare_secure11; *(vu32 *)params->emc_bct_spare_secure10 = params->emc_bct_spare_secure11;
EMC(EMC_TIMING_CONTROL) = 1; // Trigger timing update so above writes take place. // Trigger timing update so above writes take place.
EMC(EMC_TIMING_CONTROL) = 1;
// Initialize MC VPR settings. // Initialize MC VPR settings.
MC(MC_VIDEO_PROTECT_BOM) = params->mc_video_protect_bom; MC(MC_VIDEO_PROTECT_BOM) = params->mc_video_protect_bom;
@ -1129,7 +1188,8 @@ static void _sdram_config_t210b01(const sdram_params_t210b01_t *params)
MC(MC_EMEM_ARB_RSV) = params->mc_emem_arb_rsv; MC(MC_EMEM_ARB_RSV) = params->mc_emem_arb_rsv;
MC(MC_DA_CONFIG0) = params->mc_da_cfg0; MC(MC_DA_CONFIG0) = params->mc_da_cfg0;
MC(MC_TIMING_CONTROL) = 1; // Trigger MC timing update. // Trigger MC timing update.
MC(MC_TIMING_CONTROL) = 1;
// Program second-level clock enable overrides. // Program second-level clock enable overrides.
MC(MC_CLKEN_OVERRIDE) = params->mc_clken_override; MC(MC_CLKEN_OVERRIDE) = params->mc_clken_override;
@ -1151,6 +1211,7 @@ static void _sdram_config_t210b01(const sdram_params_t210b01_t *params)
EMC(EMC_AUTO_CAL_VREF_SEL_0) = params->emc_auto_cal_vref_sel0; EMC(EMC_AUTO_CAL_VREF_SEL_0) = params->emc_auto_cal_vref_sel0;
EMC(EMC_AUTO_CAL_VREF_SEL_1) = params->emc_auto_cal_vref_sel1; EMC(EMC_AUTO_CAL_VREF_SEL_1) = params->emc_auto_cal_vref_sel1;
// Program/Start auto calibration.
EMC(EMC_AUTO_CAL_INTERVAL) = params->emc_auto_cal_interval; EMC(EMC_AUTO_CAL_INTERVAL) = params->emc_auto_cal_interval;
EMC(EMC_AUTO_CAL_CONFIG) = params->emc_auto_cal_config; EMC(EMC_AUTO_CAL_CONFIG) = params->emc_auto_cal_config;
usleep(params->emc_auto_cal_wait); usleep(params->emc_auto_cal_wait);
@ -1214,10 +1275,12 @@ static void _sdram_config_t210b01(const sdram_params_t210b01_t *params)
EMC(EMC_DBG) = params->emc_dbg; EMC(EMC_DBG) = params->emc_dbg;
// Clear read fifo.
EMC(EMC_QRST) = params->emc_qrst; EMC(EMC_QRST) = params->emc_qrst;
EMC(EMC_ISSUE_QRST) = 1; EMC(EMC_ISSUE_QRST) = 1;
EMC(EMC_ISSUE_QRST) = 0; EMC(EMC_ISSUE_QRST) = 0;
// Program the rest of EMC timing configuration.
EMC(EMC_QSAFE) = params->emc_qsafe; EMC(EMC_QSAFE) = params->emc_qsafe;
EMC(EMC_RDV) = params->emc_rdv; EMC(EMC_RDV) = params->emc_rdv;
EMC(EMC_RDV_MASK) = params->emc_rdv_mask; EMC(EMC_RDV_MASK) = params->emc_rdv_mask;
@ -1267,7 +1330,9 @@ static void _sdram_config_t210b01(const sdram_params_t210b01_t *params)
if (params->boot_rom_patch_control) if (params->boot_rom_patch_control)
{ {
*(vu32 *)params->boot_rom_patch_control = params->boot_rom_patch_data; *(vu32 *)params->boot_rom_patch_control = params->boot_rom_patch_data;
MC(MC_TIMING_CONTROL) = 1; // Trigger MC timing update.
// Trigger MC timing update.
MC(MC_TIMING_CONTROL) = 1;
} }
// Patch 7 to 9 using BCT spare secure variables. // Patch 7 to 9 using BCT spare secure variables.
@ -1279,7 +1344,7 @@ static void _sdram_config_t210b01(const sdram_params_t210b01_t *params)
*(vu32 *)params->emc_bct_spare_secure16 = params->emc_bct_spare_secure17; *(vu32 *)params->emc_bct_spare_secure16 = params->emc_bct_spare_secure17;
// Release SEL_DPD_CMD. // Release SEL_DPD_CMD.
PMC(APBDEV_PMC_IO_DPD3_REQ) = (params->emc_pmc_scratch1 & 0xFFF0000) | (1 << 30u); PMC(APBDEV_PMC_IO_DPD3_REQ) = (params->emc_pmc_scratch1 & 0xFFF0000) | PMC_IO_DPD_REQ_DPD_OFF;
usleep(params->pmc_io_dpd3_req_wait); usleep(params->pmc_io_dpd3_req_wait);
// Set transmission pad control parameters. // Set transmission pad control parameters.
@ -1292,7 +1357,8 @@ static void _sdram_config_t210b01(const sdram_params_t210b01_t *params)
EMC(EMC_ZCAL_MRW_CMD) = params->emc_zcal_mrw_cmd; EMC(EMC_ZCAL_MRW_CMD) = params->emc_zcal_mrw_cmd;
} }
EMC(EMC_TIMING_CONTROL) = 1; // Trigger timing update so above writes take place. // Trigger timing update so above writes take place.
EMC(EMC_TIMING_CONTROL) = 1;
usleep(params->emc_timing_control_wait); usleep(params->emc_timing_control_wait);
// Deassert HOLD_CKE_LOW. // Deassert HOLD_CKE_LOW.
@ -1369,7 +1435,8 @@ static void _sdram_config_t210b01(const sdram_params_t210b01_t *params)
if (params->emc_bct_spare12) if (params->emc_bct_spare12)
*(vu32 *)params->emc_bct_spare12 = params->emc_bct_spare13; *(vu32 *)params->emc_bct_spare12 = params->emc_bct_spare13;
EMC(EMC_TIMING_CONTROL) = 1; // Trigger timing update so above writes take place. // Trigger timing update so above writes take place.
EMC(EMC_TIMING_CONTROL) = 1;
if (params->emc_extra_refresh_num) if (params->emc_extra_refresh_num)
EMC(EMC_REF) = ((1 << params->emc_extra_refresh_num << 8) - 253) | (params->emc_dev_select << 30); EMC(EMC_REF) = ((1 << params->emc_extra_refresh_num << 8) - 253) | (params->emc_dev_select << 30);
@ -1386,7 +1453,8 @@ static void _sdram_config_t210b01(const sdram_params_t210b01_t *params)
// Write addr swizzle lock bit. // Write addr swizzle lock bit.
EMC(EMC_FBIO_SPARE) = params->emc_fbio_spare | BIT(1); EMC(EMC_FBIO_SPARE) = params->emc_fbio_spare | BIT(1);
EMC(EMC_TIMING_CONTROL) = 1; // Re-trigger timing to latch power saving functions. // Re-trigger timing to latch power saving functions.
EMC(EMC_TIMING_CONTROL) = 1;
EMC(EMC_CFG_UPDATE) = params->emc_cfg_update; EMC(EMC_CFG_UPDATE) = params->emc_cfg_update;
@ -1487,8 +1555,13 @@ void *sdram_get_params_patched()
return (void *)sdram_params; return (void *)sdram_params;
} }
static void _sdram_init_t210() void sdram_init()
{ {
// Disable remote sense for SD1.
i2c_send_byte(I2C_5, MAX77620_I2C_ADDR, MAX77620_REG_SD_CFG2, MAX77620_SD_CNF2_ROVS_EN_SD0 | MAX77620_SD_CNF2_RSVD);
if (hw_get_chip_id() == GP_HIDREV_MAJOR_T210)
{
const sdram_params_t210_t *params = (const sdram_params_t210_t *)_sdram_get_params_t210(); const sdram_params_t210_t *params = (const sdram_params_t210_t *)_sdram_get_params_t210();
if (params->memory_type != MEMORY_TYPE_LPDDR4) if (params->memory_type != MEMORY_TYPE_LPDDR4)
return; return;
@ -1496,56 +1569,14 @@ static void _sdram_init_t210()
// Set DRAM voltage. // Set DRAM voltage.
max7762x_regulator_set_voltage(REGULATOR_SD1, 1125000); // HOS: 1.125V. Bootloader: 1.1V. max7762x_regulator_set_voltage(REGULATOR_SD1, 1125000); // HOS: 1.125V. Bootloader: 1.1V.
// VDDP Select.
PMC(APBDEV_PMC_VDDP_SEL) = params->pmc_vddp_sel;
usleep(params->pmc_vddp_sel_wait);
// Set DDR pad voltage.
PMC(APBDEV_PMC_DDR_PWR) = PMC(APBDEV_PMC_DDR_PWR); // Normally params->pmc_ddr_pwr.
// Turn on MEM IO Power.
PMC(APBDEV_PMC_NO_IOPOWER) &= PMC_NO_IOPOWER_SDMMC1; // Only keep SDMMC1 state. (Was params->pmc_no_io_power).
PMC(APBDEV_PMC_REG_SHORT) = params->pmc_reg_short;
PMC(APBDEV_PMC_DDR_CNTRL) = params->pmc_ddr_ctrl;
// Patch 1 using BCT spare variables
if (params->emc_bct_spare0)
*(vu32 *)params->emc_bct_spare0 = params->emc_bct_spare1;
_sdram_config_t210(params); _sdram_config_t210(params);
} }
else
static void _sdram_init_t210b01() {
{
const sdram_params_t210b01_t *params = (const sdram_params_t210b01_t *)sdram_get_params_t210b01(); const sdram_params_t210b01_t *params = (const sdram_params_t210b01_t *)sdram_get_params_t210b01();
if (params->memory_type != MEMORY_TYPE_LPDDR4) if (params->memory_type != MEMORY_TYPE_LPDDR4)
return; return;
// VDDP Select.
PMC(APBDEV_PMC_VDDP_SEL) = params->pmc_vddp_sel;
usleep(params->pmc_vddp_sel_wait);
// Turn on MEM IO Power.
PMC(APBDEV_PMC_NO_IOPOWER) &= PMC_NO_IOPOWER_SDMMC1; // Only keep SDMMC1 state. (Was params->pmc_no_io_power).
PMC(APBDEV_PMC_REG_SHORT) = params->pmc_reg_short;
PMC(APBDEV_PMC_DDR_CNTRL) = params->pmc_ddr_ctrl;
// Patch 1 using BCT spare variables
if (params->emc_bct_spare0)
*(vu32 *)params->emc_bct_spare0 = params->emc_bct_spare1;
_sdram_config_t210b01(params); _sdram_config_t210b01(params);
} }
void sdram_init()
{
// Disable remote sense for SD1.
i2c_send_byte(I2C_5, MAX77620_I2C_ADDR, MAX77620_REG_SD_CFG2, MAX77620_SD_CNF2_ROVS_EN_SD0 | MAX77620_SD_CNF2_RSVD);
if (hw_get_chip_id() == GP_HIDREV_MAJOR_T210)
_sdram_init_t210();
else
_sdram_init_t210b01();
} }

2
bdk/mem/sdram.h
View file

@ -135,7 +135,7 @@ void sdram_init();
void *sdram_get_params_patched(); void *sdram_get_params_patched();
void *sdram_get_params_t210b01(); void *sdram_get_params_t210b01();
void sdram_lp0_save_params(const void *params); void sdram_lp0_save_params(const void *params);
void sdram_div_disable(bool enable); void sdram_src_pllc(bool enable);
emc_mr_data_t sdram_read_mrx(emc_mr_t mrx); emc_mr_data_t sdram_read_mrx(emc_mr_t mrx);
#endif #endif