summaryrefslogtreecommitdiff
path: root/arch/arm
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/cpu/armv7/omap-common/emif-common.c38
-rw-r--r--arch/arm/cpu/armv7/omap5/hw_data.c2
-rw-r--r--arch/arm/cpu/armv7/omap5/sdram.c60
3 files changed, 32 insertions, 68 deletions
diff --git a/arch/arm/cpu/armv7/omap-common/emif-common.c b/arch/arm/cpu/armv7/omap-common/emif-common.c
index 71c0cc8..c8e9bc8 100644
--- a/arch/arm/cpu/armv7/omap-common/emif-common.c
+++ b/arch/arm/cpu/armv7/omap-common/emif-common.c
@@ -242,46 +242,10 @@ static void omap5_ddr3_leveling(u32 base, const struct emif_regs *regs)
__udelay(130);
}
-static void dra7_ddr3_leveling(u32 base, const struct emif_regs *regs)
-{
- struct emif_reg_struct *emif = (struct emif_reg_struct *)base;
-
- u32 fifo_reg;
-
- fifo_reg = readl(&emif->emif_ddr_fifo_misaligned_clear_1);
- writel(fifo_reg | 0x00000100,
- &emif->emif_ddr_fifo_misaligned_clear_1);
-
- fifo_reg = readl(&emif->emif_ddr_fifo_misaligned_clear_2);
- writel(fifo_reg | 0x00000100,
- &emif->emif_ddr_fifo_misaligned_clear_2);
-
- /* Launch Full leveling */
- writel(DDR3_FULL_LVL, &emif->emif_rd_wr_lvl_ctl);
-
- /* Wait till full leveling is complete */
- readl(&emif->emif_rd_wr_lvl_ctl);
- __udelay(130);
-
- /* Read data eye leveling no of samples */
- config_data_eye_leveling_samples(base);
-
- /*
- * Disable leveling. This is because if leveling is kept
- * enabled, then PHY triggers a false leveling during
- * EMIF-idle scenario which results in wrong delay
- * values getting updated. After this the EMIF becomes
- * unaccessible. So disable it after the first time
- */
- writel(0x0, &emif->emif_rd_wr_lvl_rmp_ctl);
-}
-
static void ddr3_leveling(u32 base, const struct emif_regs *regs)
{
if (is_omap54xx())
omap5_ddr3_leveling(base, regs);
- else
- dra7_ddr3_leveling(base, regs);
}
static void ddr3_init(u32 base, const struct emif_regs *regs)
@@ -1383,7 +1347,7 @@ void sdram_init(void)
}
if (sdram_type == EMIF_SDRAM_TYPE_DDR3 &&
- (!in_sdram && !warm_reset())) {
+ (!in_sdram && !warm_reset()) && (!is_dra7xx())) {
if (emif1_enabled)
do_bug0039_workaround(EMIF1_BASE);
if (emif2_enabled)
diff --git a/arch/arm/cpu/armv7/omap5/hw_data.c b/arch/arm/cpu/armv7/omap5/hw_data.c
index 4baca11..ed89f85 100644
--- a/arch/arm/cpu/armv7/omap5/hw_data.c
+++ b/arch/arm/cpu/armv7/omap5/hw_data.c
@@ -556,7 +556,7 @@ const struct ctrl_ioregs ioregs_dra7xx_es1 = {
.ctrl_ddrio_1 = 0x84210840,
.ctrl_ddrio_2 = 0x84210000,
.ctrl_emif_sdram_config_ext = 0x0001C1A7,
- .ctrl_emif_sdram_config_ext_final = 0x000101A7,
+ .ctrl_emif_sdram_config_ext_final = 0x0001C1A7,
.ctrl_ddr_ctrl_ext_0 = 0xA2000000,
};
diff --git a/arch/arm/cpu/armv7/omap5/sdram.c b/arch/arm/cpu/armv7/omap5/sdram.c
index e2ebab8..9105121 100644
--- a/arch/arm/cpu/armv7/omap5/sdram.c
+++ b/arch/arm/cpu/armv7/omap5/sdram.c
@@ -145,18 +145,18 @@ const struct emif_regs emif_1_regs_ddr3_532_mhz_1cs_dra_es1 = {
.sdram_tim1 = 0xCCCF36B3,
.sdram_tim2 = 0x308F7FDA,
.sdram_tim3 = 0x027F88A8,
- .read_idle_ctrl = 0x00050000,
+ .read_idle_ctrl = 0x00050001,
.zq_config = 0x0007190B,
.temp_alert_config = 0x00000000,
- .emif_ddr_phy_ctlr_1_init = 0x0024400A,
- .emif_ddr_phy_ctlr_1 = 0x0024400A,
+ .emif_ddr_phy_ctlr_1_init = 0x0E24400A,
+ .emif_ddr_phy_ctlr_1 = 0x0E24400A,
.emif_ddr_ext_phy_ctrl_1 = 0x10040100,
- .emif_ddr_ext_phy_ctrl_2 = 0x00B000B0,
- .emif_ddr_ext_phy_ctrl_3 = 0x00B000B0,
- .emif_ddr_ext_phy_ctrl_4 = 0x00B000B0,
- .emif_ddr_ext_phy_ctrl_5 = 0x00B000B0,
+ .emif_ddr_ext_phy_ctrl_2 = 0x00BB00BB,
+ .emif_ddr_ext_phy_ctrl_3 = 0x00BB00BB,
+ .emif_ddr_ext_phy_ctrl_4 = 0x00BB00BB,
+ .emif_ddr_ext_phy_ctrl_5 = 0x00BB00BB,
.emif_rd_wr_lvl_rmp_win = 0x00000000,
- .emif_rd_wr_lvl_rmp_ctl = 0x80000000,
+ .emif_rd_wr_lvl_rmp_ctl = 0x00000000,
.emif_rd_wr_lvl_ctl = 0x00000000,
.emif_rd_wr_exec_thresh = 0x00000305
};
@@ -169,18 +169,18 @@ const struct emif_regs emif_2_regs_ddr3_532_mhz_1cs_dra_es1 = {
.sdram_tim1 = 0xCCCF36B3,
.sdram_tim2 = 0x308F7FDA,
.sdram_tim3 = 0x027F88A8,
- .read_idle_ctrl = 0x00050000,
+ .read_idle_ctrl = 0x00050001,
.zq_config = 0x0007190B,
.temp_alert_config = 0x00000000,
- .emif_ddr_phy_ctlr_1_init = 0x0024400A,
- .emif_ddr_phy_ctlr_1 = 0x0024400A,
+ .emif_ddr_phy_ctlr_1_init = 0x0E24400A,
+ .emif_ddr_phy_ctlr_1 = 0x0E24400A,
.emif_ddr_ext_phy_ctrl_1 = 0x10040100,
- .emif_ddr_ext_phy_ctrl_2 = 0x00B000B0,
- .emif_ddr_ext_phy_ctrl_3 = 0x00B000B0,
- .emif_ddr_ext_phy_ctrl_4 = 0x00B000B0,
- .emif_ddr_ext_phy_ctrl_5 = 0x00B000B0,
+ .emif_ddr_ext_phy_ctrl_2 = 0x00BB00BB,
+ .emif_ddr_ext_phy_ctrl_3 = 0x00BB00BB,
+ .emif_ddr_ext_phy_ctrl_4 = 0x00BB00BB,
+ .emif_ddr_ext_phy_ctrl_5 = 0x00BB00BB,
.emif_rd_wr_lvl_rmp_win = 0x00000000,
- .emif_rd_wr_lvl_rmp_ctl = 0x80000000,
+ .emif_rd_wr_lvl_rmp_ctl = 0x00000000,
.emif_rd_wr_lvl_ctl = 0x00000000,
.emif_rd_wr_exec_thresh = 0x00000305
};
@@ -394,24 +394,24 @@ const u32 ddr3_ext_phy_ctrl_const_base_es2[] = {
const u32
dra_ddr3_ext_phy_ctrl_const_base_es1_emif1[] = {
- 0x00B000B0,
- 0x00400040,
- 0x00400040,
- 0x00400040,
- 0x00400040,
- 0x00400040,
- 0x00800080,
- 0x00800080,
- 0x00800080,
- 0x00800080,
- 0x00800080,
+ 0x00BB00BB,
+ 0x00440044,
+ 0x00440044,
+ 0x00440044,
+ 0x00440044,
+ 0x00440044,
+ 0x007F007F,
+ 0x007F007F,
+ 0x007F007F,
+ 0x007F007F,
+ 0x007F007F,
0x00600060,
0x00600060,
0x00600060,
0x00600060,
0x00600060,
- 0x00800080,
- 0x00800080,
+ 0x00000000,
+ 0x00600020,
0x40010080,
0x08102040,
0x0,
@@ -439,7 +439,7 @@ dra_ddr3_ext_phy_ctrl_const_base_es1_emif2[] = {
0x00600060,
0x00600060,
0x00600060,
- 0x0,
+ 0x00000000,
0x00600020,
0x40010080,
0x08102040,
generated by cgit v1.1 at 2024-11-06 04:17:14 +0000