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-rw-r--r--src/soc/rockchip/rk3399/sdram.c148
1 files changed, 69 insertions, 79 deletions
diff --git a/src/soc/rockchip/rk3399/sdram.c b/src/soc/rockchip/rk3399/sdram.c
index fc7499f2d8..aa12e81e84 100644
--- a/src/soc/rockchip/rk3399/sdram.c
+++ b/src/soc/rockchip/rk3399/sdram.c
@@ -130,11 +130,9 @@ static void phy_dll_bypass_set(u32 channel,
}
}
-static void set_memory_map(u32 channel,
- const struct rk3399_sdram_params *sdram_params)
+static void set_memory_map(u32 channel, const struct rk3399_sdram_params *params)
{
- const struct rk3399_sdram_channel *sdram_ch =
- &sdram_params->ch[channel];
+ const struct rk3399_sdram_channel *sdram_ch = &params->ch[channel];
u32 *denali_ctl = rk3399_ddr_pctl[channel]->denali_ctl;
u32 *denali_pi = rk3399_ddr_pi[channel]->denali_pi;
u32 cs_map;
@@ -168,12 +166,11 @@ static void set_memory_map(u32 channel,
((16 - row) << 24));
/* PI_41 PI_CS_MAP:RW:24:4 */
clrsetbits32(&denali_pi[41], 0xf << 24, cs_map << 24);
- if ((sdram_ch->rank == 1) && (sdram_params->dramtype == DDR3))
+ if ((sdram_ch->rank == 1) && (params->dramtype == DDR3))
write32(&denali_pi[34], 0x2EC7FFFF);
}
-static void set_ds_odt(u32 channel,
- const struct rk3399_sdram_params *sdram_params)
+static void set_ds_odt(u32 channel, const struct rk3399_sdram_params *params)
{
u32 *denali_phy = rk3399_ddr_publ[channel]->denali_phy;
@@ -183,7 +180,7 @@ static void set_ds_odt(u32 channel,
u32 tsel_idle_select_n, tsel_wr_select_n, tsel_rd_select_n;
u32 reg_value;
- if (sdram_params->dramtype == LPDDR4) {
+ if (params->dramtype == LPDDR4) {
tsel_rd_select_p = PHY_DRV_ODT_Hi_Z;
tsel_wr_select_p = PHY_DRV_ODT_40;
ca_tsel_wr_select_p = PHY_DRV_ODT_40;
@@ -193,7 +190,7 @@ static void set_ds_odt(u32 channel,
tsel_wr_select_n = PHY_DRV_ODT_40;
ca_tsel_wr_select_n = PHY_DRV_ODT_40;
tsel_idle_select_n = PHY_DRV_ODT_240;
- } else if (sdram_params->dramtype == LPDDR3) {
+ } else if (params->dramtype == LPDDR3) {
tsel_rd_select_p = PHY_DRV_ODT_240;
tsel_wr_select_p = PHY_DRV_ODT_34_3;
ca_tsel_wr_select_p = PHY_DRV_ODT_48;
@@ -215,7 +212,7 @@ static void set_ds_odt(u32 channel,
tsel_idle_select_n = PHY_DRV_ODT_240;
}
- if (sdram_params->odt == 1)
+ if (params->odt == 1)
tsel_rd_en = 1;
else
tsel_rd_en = 0;
@@ -311,8 +308,7 @@ static void set_ds_odt(u32 channel,
clrsetbits32(&denali_phy[930], 0x1 << 17, reg_value);
}
-static void phy_io_config(u32 channel,
- const struct rk3399_sdram_params *sdram_params)
+static void phy_io_config(u32 channel, const struct rk3399_sdram_params *params)
{
u32 *denali_phy = rk3399_ddr_publ[channel]->denali_phy;
u32 vref_mode_dq, vref_value_dq, vref_mode_ac, vref_value_ac;
@@ -322,14 +318,14 @@ static void phy_io_config(u32 channel,
u32 speed;
/* vref setting */
- if (sdram_params->dramtype == LPDDR4) {
+ if (params->dramtype == LPDDR4) {
/* LPDDR4 */
vref_mode_dq = 0x6;
vref_value_dq = 0x1f;
vref_mode_ac = 0x6;
vref_value_ac = 0x1f;
- } else if (sdram_params->dramtype == LPDDR3) {
- if (sdram_params->odt == 1) {
+ } else if (params->dramtype == LPDDR3) {
+ if (params->odt == 1) {
vref_mode_dq = 0x5; /* LPDDR3 ODT */
drv_value = (read32(&denali_phy[6]) >> 12) & 0xf;
odt_value = (read32(&denali_phy[6]) >> 4) & 0xf;
@@ -384,15 +380,15 @@ static void phy_io_config(u32 channel,
}
vref_mode_ac = 0x2;
vref_value_ac = 0x1f;
- } else if (sdram_params->dramtype == DDR3) {
+ } else if (params->dramtype == DDR3) {
/* DDR3L */
vref_mode_dq = 0x1;
vref_value_dq = 0x1f;
vref_mode_ac = 0x1;
vref_value_ac = 0x1f;
- }
- else
+ } else {
die("Halting: Unknown DRAM type.\n");
+ }
reg_value = (vref_mode_dq << 9) | (0x1 << 8) | vref_value_dq;
@@ -410,11 +406,11 @@ static void phy_io_config(u32 channel,
/* PHY_915 PHY_PAD_VREF_CTRL_AC 12bits offset_16 */
clrsetbits32(&denali_phy[915], 0xfff << 16, reg_value << 16);
- if (sdram_params->dramtype == LPDDR4)
+ if (params->dramtype == LPDDR4)
mode_sel = 0x6;
- else if (sdram_params->dramtype == LPDDR3)
+ else if (params->dramtype == LPDDR3)
mode_sel = 0x0;
- else if (sdram_params->dramtype == DDR3)
+ else if (params->dramtype == DDR3)
mode_sel = 0x1;
/* PHY_924 PHY_PAD_FDBK_DRIVE */
@@ -435,11 +431,11 @@ static void phy_io_config(u32 channel,
clrsetbits32(&denali_phy[939], 0x7 << 14, mode_sel << 14);
/* speed setting */
- if (sdram_params->ddr_freq < 400 * MHz)
+ if (params->ddr_freq < 400 * MHz)
speed = 0x0;
- else if (sdram_params->ddr_freq < 800 * MHz)
+ else if (params->ddr_freq < 800 * MHz)
speed = 0x1;
- else if (sdram_params->ddr_freq < 1200 * MHz)
+ else if (params->ddr_freq < 1200 * MHz)
speed = 0x2;
else
speed = 0x3;
@@ -462,14 +458,13 @@ static void phy_io_config(u32 channel,
clrsetbits32(&denali_phy[939], 0x3 << 17, speed << 17);
}
-static int pctl_cfg(u32 channel,
- const struct rk3399_sdram_params *sdram_params)
+static int pctl_cfg(u32 channel, const struct rk3399_sdram_params *params)
{
u32 *denali_ctl = rk3399_ddr_pctl[channel]->denali_ctl;
u32 *denali_pi = rk3399_ddr_pi[channel]->denali_pi;
u32 *denali_phy = rk3399_ddr_publ[channel]->denali_phy;
- const u32 *params_ctl = sdram_params->pctl_regs.denali_ctl;
- const u32 *params_phy = sdram_params->phy_regs.denali_phy;
+ const u32 *params_ctl = params->pctl_regs.denali_ctl;
+ const u32 *params_phy = params->phy_regs.denali_phy;
u32 tmp, tmp1, tmp2;
u32 pwrup_srefresh_exit;
struct stopwatch sw;
@@ -481,14 +476,14 @@ static int pctl_cfg(u32 channel,
copy_to_reg(&denali_ctl[1], &params_ctl[1],
sizeof(struct rk3399_ddr_pctl_regs) - 4);
write32(&denali_ctl[0], params_ctl[0]);
- copy_to_reg(denali_pi, &sdram_params->pi_regs.denali_pi[0],
+ copy_to_reg(denali_pi, &params->pi_regs.denali_pi[0],
sizeof(struct rk3399_ddr_pi_regs));
/* rank count need to set for init */
- set_memory_map(channel, sdram_params);
+ set_memory_map(channel, params);
- write32(&denali_phy[910], sdram_params->phy_regs.denali_phy[910]);
- write32(&denali_phy[911], sdram_params->phy_regs.denali_phy[911]);
- write32(&denali_phy[912], sdram_params->phy_regs.denali_phy[912]);
+ write32(&denali_phy[910], params->phy_regs.denali_phy[910]);
+ write32(&denali_phy[911], params->phy_regs.denali_phy[911]);
+ write32(&denali_phy[912], params->phy_regs.denali_phy[912]);
pwrup_srefresh_exit = read32(&denali_ctl[68]) & PWRUP_SREFRESH_EXIT;
clrbits32(&denali_ctl[68], PWRUP_SREFRESH_EXIT);
@@ -518,7 +513,7 @@ static int pctl_cfg(u32 channel,
copy_to_reg(&denali_phy[512], &params_phy[512], (549 - 512 + 1) * 4);
copy_to_reg(&denali_phy[640], &params_phy[640], (677 - 640 + 1) * 4);
copy_to_reg(&denali_phy[768], &params_phy[768], (805 - 768 + 1) * 4);
- set_ds_odt(channel, sdram_params);
+ set_ds_odt(channel, params);
/*
* phy_dqs_tsel_wr_timing_X 8bits DENALI_PHY_84/212/340/468 offset_8
@@ -546,7 +541,7 @@ static int pctl_cfg(u32 channel,
tmp = (read32(&denali_phy[467]) >> 16) & 0xff;
clrsetbits32(&denali_phy[467], 0xff << 16, (tmp + 0x10) << 16);
- phy_io_config(channel, sdram_params);
+ phy_io_config(channel, params);
/* PHY_DLL_RST_EN */
clrsetbits32(&denali_phy[957], 0x3 << 24, 0x2 << 24);
@@ -609,29 +604,28 @@ static void override_write_leveling_value(u32 channel)
clrsetbits32(&denali_ctl[200], 0x1 << 8, 0x1 << 8);
}
-static int data_training(u32 channel,
- const struct rk3399_sdram_params *sdram_params,
+static int data_training(u32 channel, const struct rk3399_sdram_params *params,
u32 training_flag)
{
u32 *denali_pi = rk3399_ddr_pi[channel]->denali_pi;
u32 *denali_phy = rk3399_ddr_publ[channel]->denali_phy;
u32 i, tmp;
u32 obs_0, obs_1, obs_2, obs_3, obs_err = 0;
- u32 rank = sdram_params->ch[channel].rank;
+ u32 rank = params->ch[channel].rank;
u32 reg_value = 0;
/* PHY_927 PHY_PAD_DQS_DRIVE RPULL offset_22 */
setbits32(&denali_phy[927], (1 << 22));
if (training_flag == PI_FULL_TRAINING) {
- if (sdram_params->dramtype == LPDDR4) {
+ if (params->dramtype == LPDDR4) {
training_flag = PI_CA_TRAINING | PI_WRITE_LEVELING |
PI_READ_GATE_TRAINING |
PI_READ_LEVELING | PI_WDQ_LEVELING;
- } else if (sdram_params->dramtype == LPDDR3) {
+ } else if (params->dramtype == LPDDR3) {
training_flag = PI_CA_TRAINING | PI_WRITE_LEVELING |
PI_READ_GATE_TRAINING;
- } else if (sdram_params->dramtype == DDR3) {
+ } else if (params->dramtype == DDR3) {
training_flag = PI_WRITE_LEVELING |
PI_READ_GATE_TRAINING |
PI_READ_LEVELING;
@@ -737,7 +731,7 @@ static int data_training(u32 channel,
* side ODT before gate training and restore ODT state
* after gate training.
*/
- if (sdram_params->dramtype != LPDDR4) {
+ if (params->dramtype != LPDDR4) {
reg_value = (read32(&denali_phy[6]) >> 24) & 0x7;
/*
@@ -793,7 +787,7 @@ static int data_training(u32 channel,
}
clrbits32(&denali_pi[80], 0x3 << 24);
- if (sdram_params->dramtype != LPDDR4) {
+ if (params->dramtype != LPDDR4) {
/*
* phy_dqs_tsel_enable_X 3bits
* DENALI_PHY_6/134/262/390 offset_24
@@ -877,7 +871,7 @@ static int data_training(u32 channel,
return 0;
}
-static void set_ddrconfig(const struct rk3399_sdram_params *sdram_params,
+static void set_ddrconfig(const struct rk3399_sdram_params *params,
unsigned char channel, u32 ddrconfig)
{
/* only need to set ddrconfig */
@@ -885,14 +879,14 @@ static void set_ddrconfig(const struct rk3399_sdram_params *sdram_params,
unsigned int cs0_cap = 0;
unsigned int cs1_cap = 0;
- cs0_cap = (1 << (sdram_params->ch[channel].cs0_row
- + sdram_params->ch[channel].col
- + sdram_params->ch[channel].bk
- + sdram_params->ch[channel].bw - 20));
- if (sdram_params->ch[channel].rank > 1)
- cs1_cap = cs0_cap >> (sdram_params->ch[channel].cs0_row
- - sdram_params->ch[channel].cs1_row);
- if (sdram_params->ch[channel].row_3_4) {
+ cs0_cap = (1 << (params->ch[channel].cs0_row
+ + params->ch[channel].col
+ + params->ch[channel].bk
+ + params->ch[channel].bw - 20));
+ if (params->ch[channel].rank > 1)
+ cs1_cap = cs0_cap >> (params->ch[channel].cs0_row
+ - params->ch[channel].cs1_row);
+ if (params->ch[channel].row_3_4) {
cs0_cap = cs0_cap * 3 / 4;
cs1_cap = cs1_cap * 3 / 4;
}
@@ -902,22 +896,20 @@ static void set_ddrconfig(const struct rk3399_sdram_params *sdram_params,
(((cs1_cap / 32) & 0xff) << 8));
}
-static void dram_all_config(const struct rk3399_sdram_params *sdram_params)
+static void dram_all_config(const struct rk3399_sdram_params *params)
{
u32 sys_reg = 0;
unsigned int channel;
unsigned int use;
- sys_reg |= SYS_REG_ENC_DDRTYPE(sdram_params->dramtype);
- sys_reg |= SYS_REG_ENC_NUM_CH(sdram_params->num_channels);
- for (channel = 0, use = 0;
- (use < sdram_params->num_channels) && (channel < 2); channel++) {
- const struct rk3399_sdram_channel *info =
- &sdram_params->ch[channel];
+ sys_reg |= SYS_REG_ENC_DDRTYPE(params->dramtype);
+ sys_reg |= SYS_REG_ENC_NUM_CH(params->num_channels);
+ for (channel = 0, use = 0; (use < params->num_channels) && (channel < 2); channel++) {
+ const struct rk3399_sdram_channel *info = &params->ch[channel];
struct rk3399_msch_regs *ddr_msch_regs;
const struct rk3399_msch_timings *noc_timing;
- if (sdram_params->ch[channel].col == 0)
+ if (params->ch[channel].col == 0)
continue;
use++;
sys_reg |= SYS_REG_ENC_ROW_3_4(info->row_3_4, channel);
@@ -926,13 +918,13 @@ static void dram_all_config(const struct rk3399_sdram_params *sdram_params)
sys_reg |= SYS_REG_ENC_COL(info->col, channel);
sys_reg |= SYS_REG_ENC_BK(info->bk, channel);
sys_reg |= SYS_REG_ENC_CS0_ROW(info->cs0_row, channel);
- if (sdram_params->ch[channel].rank > 1)
+ if (params->ch[channel].rank > 1)
sys_reg |= SYS_REG_ENC_CS1_ROW(info->cs1_row, channel);
sys_reg |= SYS_REG_ENC_BW(info->bw, channel);
sys_reg |= SYS_REG_ENC_DBW(info->dbw, channel);
ddr_msch_regs = rk3399_msch[channel];
- noc_timing = &sdram_params->ch[channel].noc_timings;
+ noc_timing = &params->ch[channel].noc_timings;
write32(&ddr_msch_regs->ddrtiminga0.d32,
noc_timing->ddrtiminga0.d32);
write32(&ddr_msch_regs->ddrtimingb0.d32,
@@ -945,13 +937,13 @@ static void dram_all_config(const struct rk3399_sdram_params *sdram_params)
noc_timing->ddrmode.d32);
/* rank 1 memory clock disable (dfi_dram_clk_disable = 1) */
- if (sdram_params->ch[channel].rank == 1)
+ if (params->ch[channel].rank == 1)
setbits32(&rk3399_ddr_pctl[channel]->denali_ctl[276],
1 << 17);
}
write32(&rk3399_pmugrf->os_reg2, sys_reg);
- DDR_STRIDE(sdram_params->stride);
+ DDR_STRIDE(params->stride);
/* reboot hold register set */
write32(&pmucru_ptr->pmucru_rstnhold_con[1],
@@ -960,12 +952,12 @@ static void dram_all_config(const struct rk3399_sdram_params *sdram_params)
clrsetbits32(&cru_ptr->glb_rst_con, 0x3, 0x3);
}
-static void switch_to_phy_index1(const struct rk3399_sdram_params *sdram_params)
+static void switch_to_phy_index1(const struct rk3399_sdram_params *params)
{
u32 channel;
u32 *denali_phy;
struct stopwatch sw;
- u32 ch_count = sdram_params->num_channels;
+ u32 ch_count = params->num_channels;
stopwatch_init_msecs_expire(&sw, 100);
write32(&rk3399_ddr_cic->cic_ctrl0,
@@ -992,17 +984,17 @@ static void switch_to_phy_index1(const struct rk3399_sdram_params *sdram_params)
for (channel = 0; channel < ch_count; channel++) {
denali_phy = rk3399_ddr_publ[channel]->denali_phy;
clrsetbits32(&denali_phy[896], (0x3 << 8) | 1, 1 << 8);
- if (data_training(channel, sdram_params, PI_FULL_TRAINING)) {
+ if (data_training(channel, params, PI_FULL_TRAINING)) {
printk(BIOS_ERR, "index1 training failed, reset\n");
board_reset();
}
}
}
-void sdram_init(const struct rk3399_sdram_params *sdram_params)
+void sdram_init(const struct rk3399_sdram_params *params)
{
- unsigned char dramtype = sdram_params->dramtype;
- unsigned int ddr_freq = sdram_params->ddr_freq;
+ unsigned char dramtype = params->dramtype;
+ unsigned int ddr_freq = params->ddr_freq;
int channel;
printk(BIOS_INFO, "Starting SDRAM initialization...\n");
@@ -1017,7 +1009,7 @@ void sdram_init(const struct rk3399_sdram_params *sdram_params)
for (channel = 0; channel < 2; channel++) {
phy_dll_bypass_set(channel, rk3399_ddr_publ[channel], ddr_freq);
- if (channel >= sdram_params->num_channels)
+ if (channel >= params->num_channels)
continue;
/*
@@ -1025,7 +1017,7 @@ void sdram_init(const struct rk3399_sdram_params *sdram_params)
* step may fail, before that, we just reset the
* system, and start again.
*/
- if (pctl_cfg(channel, sdram_params) != 0) {
+ if (pctl_cfg(channel, params) != 0) {
printk(BIOS_ERR, "pctl_cfg fail, reset\n");
board_reset();
}
@@ -1034,17 +1026,15 @@ void sdram_init(const struct rk3399_sdram_params *sdram_params)
if (dramtype == LPDDR3)
udelay(10);
- if (data_training(channel, sdram_params, PI_FULL_TRAINING)) {
- printk(BIOS_ERR,
- "SDRAM initialization failed, reset\n");
+ if (data_training(channel, params, PI_FULL_TRAINING)) {
+ printk(BIOS_ERR, "SDRAM initialization failed, reset\n");
board_reset();
}
- set_ddrconfig(sdram_params, channel,
- sdram_params->ch[channel].ddrconfig);
+ set_ddrconfig(params, channel, params->ch[channel].ddrconfig);
}
- dram_all_config(sdram_params);
- switch_to_phy_index1(sdram_params);
+ dram_all_config(params);
+ switch_to_phy_index1(params);
printk(BIOS_INFO, "Finish SDRAM initialization...\n");
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 04:48:13 +0000