---
drivers/ram/rockchip/sdram_rk3399.c | 60 +++++++++++++++++++++--------
1 file changed, 43 insertions(+), 17 deletions(-)
diff --git a/drivers/ram/rockchip/sdram_rk3399.c b/drivers/ram/rockchip/sdram_rk3399.c
index 541e4a4b1e..733864f5d2 100644
--- a/drivers/ram/rockchip/sdram_rk3399.c
+++ b/drivers/ram/rockchip/sdram_rk3399.c
@@ -14,14 +14,27 @@
#include <syscon.h>
#include <asm/io.h>
#include <asm/arch-rockchip/clock.h>
-#include <asm/arch-rockchip/sdram_common.h>
-#include <asm/arch-rockchip/sdram_rk3399.h>
#include <asm/arch-rockchip/cru_rk3399.h>
#include <asm/arch-rockchip/grf_rk3399.h>
#include <asm/arch-rockchip/hardware.h>
+#include <asm/arch-rockchip/sdram_common.h>
+#include <asm/arch-rockchip/sdram_rk3399.h>
#include <linux/err.h>
#include <time.h>
+#define PRESET_SGRF_HOLD(n) ((0x1 << (6 + 16)) | ((n) << 6))
+#define PRESET_GPIO0_HOLD(n) ((0x1 << (7 + 16)) | ((n) << 7))
+#define PRESET_GPIO1_HOLD(n) ((0x1 << (8 + 16)) | ((n) << 8))
+
+#define PHY_DRV_ODT_HI_Z 0x0
+#define PHY_DRV_ODT_240 0x1
+#define PHY_DRV_ODT_120 0x8
+#define PHY_DRV_ODT_80 0x9
+#define PHY_DRV_ODT_60 0xc
+#define PHY_DRV_ODT_48 0xd
+#define PHY_DRV_ODT_40 0xe
+#define PHY_DRV_ODT_34_3 0xf
+
struct chan_info {
struct rk3399_ddr_pctl_regs *pctl;
struct rk3399_ddr_pi_regs *pi;
@@ -43,19 +56,6 @@ struct dram_info {
struct rk3399_pmugrf_regs *pmugrf;
};
-#define PRESET_SGRF_HOLD(n) ((0x1 << (6 + 16)) | ((n) << 6))
-#define PRESET_GPIO0_HOLD(n) ((0x1 << (7 + 16)) | ((n) << 7))
-#define PRESET_GPIO1_HOLD(n) ((0x1 << (8 + 16)) | ((n) << 8))
-
-#define PHY_DRV_ODT_HI_Z 0x0
-#define PHY_DRV_ODT_240 0x1
-#define PHY_DRV_ODT_120 0x8
-#define PHY_DRV_ODT_80 0x9
-#define PHY_DRV_ODT_60 0xc
-#define PHY_DRV_ODT_48 0xd
-#define PHY_DRV_ODT_40 0xe
-#define PHY_DRV_ODT_34_3 0xf
-
#if defined(CONFIG_TPL_BUILD) || \
(!defined(CONFIG_TPL) && defined(CONFIG_SPL_BUILD))
@@ -473,8 +473,10 @@ static int pctl_cfg(const struct chan_info *chan, u32 channel,
copy_to_reg(&denali_ctl[1], ¶ms_ctl[1],
sizeof(struct rk3399_ddr_pctl_regs) - 4);
writel(params_ctl[0], &denali_ctl[0]);
+
copy_to_reg(denali_pi, &sdram_params->pi_regs.denali_pi[0],
sizeof(struct rk3399_ddr_pi_regs));
+
/* rank count need to set for init */
set_memory_map(chan, channel, sdram_params);
@@ -620,8 +622,10 @@ static int data_training_ca(const struct chan_info *chan, u32 channel,
for (i = 0; i < rank; i++) {
select_per_cs_training_index(chan, i);
+
/* PI_100 PI_CALVL_EN:RW:8:2 */
clrsetbits_le32(&denali_pi[100], 0x3 << 8, 0x2 << 8);
+
/* PI_92 PI_CALVL_REQ:WR:16:1,PI_CALVL_CS:RW:24:2 */
clrsetbits_le32(&denali_pi[92],
(0x1 << 16) | (0x3 << 24),
@@ -651,9 +655,11 @@ static int data_training_ca(const struct chan_info *chan, u32 channel,
(obs_err == 1))
return -EIO;
}
+
/* clear interrupt,PI_175 PI_INT_ACK:WR:0:17 */
writel(0x00003f7c, (&denali_pi[175]));
}
+
clrbits_le32(&denali_pi[100], 0x3 << 8);
return 0;
@@ -670,8 +676,10 @@ static int data_training_wl(const struct chan_info *chan, u32 channel,
for (i = 0; i < rank; i++) {
select_per_cs_training_index(chan, i);
+
/* PI_60 PI_WRLVL_EN:RW:8:2 */
clrsetbits_le32(&denali_pi[60], 0x3 << 8, 0x2 << 8);
+
/* PI_59 PI_WRLVL_REQ:WR:8:1,PI_WRLVL_CS:RW:16:2 */
clrsetbits_le32(&denali_pi[59],
(0x1 << 8) | (0x3 << 16),
@@ -705,6 +713,7 @@ static int data_training_wl(const struct chan_info *chan, u32 channel,
(obs_err == 1))
return -EIO;
}
+
/* clear interrupt,PI_175 PI_INT_ACK:WR:0:17 */
writel(0x00003f7c, (&denali_pi[175]));
}
@@ -726,8 +735,10 @@ static int data_training_rg(const struct chan_info *chan, u32 channel,
for (i = 0; i < rank; i++) {
select_per_cs_training_index(chan, i);
+
/* PI_80 PI_RDLVL_GATE_EN:RW:24:2 */
clrsetbits_le32(&denali_pi[80], 0x3 << 24, 0x2 << 24);
+
/*
* PI_74 PI_RDLVL_GATE_REQ:WR:16:1
* PI_RDLVL_CS:RW:24:2
@@ -764,9 +775,11 @@ static int data_training_rg(const struct chan_info *chan, u32 channel,
(obs_err == 1))
return -EIO;
}
+
/* clear interrupt,PI_175 PI_INT_ACK:WR:0:17 */
writel(0x00003f7c, (&denali_pi[175]));
}
+
clrbits_le32(&denali_pi[80], 0x3 << 24);
return 0;
@@ -781,8 +794,10 @@ static int data_training_rl(const struct chan_info *chan, u32 channel,
for (i = 0; i < rank; i++) {
select_per_cs_training_index(chan, i);
+
/* PI_80 PI_RDLVL_EN:RW:16:2 */
clrsetbits_le32(&denali_pi[80], 0x3 << 16, 0x2 << 16);
+
/* PI_74 PI_RDLVL_REQ:WR:8:1,PI_RDLVL_CS:RW:24:2 */
clrsetbits_le32(&denali_pi[74],
(0x1 << 8) | (0x3 << 24),
@@ -805,9 +820,11 @@ static int data_training_rl(const struct chan_info *chan, u32 channel,
else if (((tmp >> 2) & 0x1) == 0x1)
return -EIO;
}
+
/* clear interrupt,PI_175 PI_INT_ACK:WR:0:17 */
writel(0x00003f7c, (&denali_pi[175]));
}
+
clrbits_le32(&denali_pi[80], 0x3 << 16);
return 0;
@@ -822,13 +839,16 @@ static int data_training_wdql(const struct chan_info *chan, u32 channel,
for (i = 0; i < rank; i++) {
select_per_cs_training_index(chan, i);
+
/*
* disable PI_WDQLVL_VREF_EN before wdq leveling?
* PI_181 PI_WDQLVL_VREF_EN:RW:8:1
*/
clrbits_le32(&denali_pi[181], 0x1 << 8);
+
/* PI_124 PI_WDQLVL_EN:RW:16:2 */
clrsetbits_le32(&denali_pi[124], 0x3 << 16, 0x2 << 16);
+
/* PI_121 PI_WDQLVL_REQ:WR:8:1,PI_WDQLVL_CS:RW:16:2 */
clrsetbits_le32(&denali_pi[121],
(0x1 << 8) | (0x3 << 16),
@@ -845,9 +865,11 @@ static int data_training_wdql(const struct chan_info *chan, u32 channel,
else if (((tmp >> 6) & 0x1) == 0x1)
return -EIO;
}
+
/* clear interrupt,PI_175 PI_INT_ACK:WR:0:17 */
writel(0x00003f7c, (&denali_pi[175]));
}
+
clrbits_le32(&denali_pi[124], 0x3 << 16);
return 0;
@@ -938,6 +960,7 @@ static void dram_all_config(struct dram_info *dram,
sys_reg |= sdram_params->base.dramtype << SYS_REG_DDRTYPE_SHIFT;
sys_reg |= (sdram_params->base.num_channels - 1)
<< SYS_REG_NUM_CH_SHIFT;
+
for (channel = 0, idx = 0;
(idx < sdram_params->base.num_channels) && (channel < 2);
channel++) {
@@ -1164,6 +1187,7 @@ static int rk3399_dmc_init(struct udevice *dev)
priv->chan[1].publ, priv->chan[1].msch);
debug("cru %p, cic %p, grf %p, sgrf %p, pmucru %p\n", priv->cru,
priv->cic, priv->pmugrf, priv->pmusgrf, priv->pmucru);
+
#if CONFIG_IS_ENABLED(OF_PLATDATA)
ret = clk_get_by_index_platdata(dev, 0, dtplat->clocks, &priv->ddr_clk);
#else
@@ -1173,14 +1197,16 @@ static int rk3399_dmc_init(struct udevice *dev)
printf("%s clk get failed %d\n", __func__, ret);
return ret;
}
+
ret = clk_set_rate(&priv->ddr_clk, params->base.ddr_freq * MHz);
if (ret < 0) {
printf("%s clk set failed %d\n", __func__, ret);
return ret;
}
+
ret = sdram_init(priv, params);
if (ret < 0) {
- printf("%s DRAM init failed%d\n", __func__, ret);
+ printf("%s DRAM init failed %d\n", __func__, ret);
return ret;
}
@@ -1198,7 +1224,7 @@ static int rk3399_dmc_probe(struct udevice *dev)
struct dram_info *priv = dev_get_priv(dev);
priv->pmugrf = syscon_get_first_range(ROCKCHIP_SYSCON_PMUGRF);
- debug("%s: pmugrf=%p\n", __func__, priv->pmugrf);
+ debug("%s: pmugrf = %p\n", __func__, priv->pmugrf);
priv->info.base = CONFIG_SYS_SDRAM_BASE;
priv->info.size =
rockchip_sdram_size((phys_addr_t)&priv->pmugrf->os_reg2);
