Patchwork [U-Boot,4/5] ARM: OMAP5: Add DDR changes required for OMAP543X ES2.0 SOCs

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Submitter SRICHARAN R
Date Jan. 31, 2013, 6:02 a.m.
Message ID <1359612150-20076-5-git-send-email-r.sricharan@ti.com>
Download mbox | patch
Permalink /patch/217099/
State Superseded
Delegated to: Tom Rini
Headers show

Comments

SRICHARAN R - Jan. 31, 2013, 6:02 a.m.
From: Lokesh Vutla <lokeshvutla@ti.com>

Add pre calculated timing settings of LPDDR2 and DDR3 memories
present in OMAP5430 and OMAP5432 ES2.0 versions.

Also adding the DDR pad io settings required for
OMAP543X SOCs here.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: R Sricharan <r.sricharan@ti.com>
---
 arch/arm/cpu/armv7/omap5/hw_data.c     |   13 ++++++
 arch/arm/cpu/armv7/omap5/sdram.c       |   75 +++++++++++++++++++++++++++++++-
 arch/arm/include/asm/arch-omap5/omap.h |    6 +++
 arch/arm/include/asm/emif.h            |    1 +
 4 files changed, 93 insertions(+), 2 deletions(-)
Tom Rini - Jan. 31, 2013, 5:20 p.m.
On Thu, Jan 31, 2013 at 11:32:29AM +0530, R Sricharan wrote:

> From: Lokesh Vutla <lokeshvutla@ti.com>
> 
> Add pre calculated timing settings of LPDDR2 and DDR3 memories
> present in OMAP5430 and OMAP5432 ES2.0 versions.
> 
> Also adding the DDR pad io settings required for
> OMAP543X SOCs here.
> 
> Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
> Signed-off-by: R Sricharan <r.sricharan@ti.com>

Reviewed-by: Tom Rini <trini@ti.com>

Patch

diff --git a/arch/arm/cpu/armv7/omap5/hw_data.c b/arch/arm/cpu/armv7/omap5/hw_data.c
index 3a317dd..7d3e1bd 100644
--- a/arch/arm/cpu/armv7/omap5/hw_data.c
+++ b/arch/arm/cpu/armv7/omap5/hw_data.c
@@ -486,6 +486,16 @@  const struct ctrl_ioregs ioregs_omap5432_es1 = {
 	.ctrl_emif_sdram_config_ext = SDRAM_CONFIG_EXT_RD_LVL_11_SAMPLES,
 };
 
+const struct ctrl_ioregs ioregs_omap5432_es2 = {
+	.ctrl_ddrch = DDR_IO_I_40OHM_SR_FAST_WD_DQ_NO_PULL_DQS_NO_PULL_ES2,
+	.ctrl_lpddr2ch = 0x0,
+	.ctrl_ddr3ch = DDR_IO_I_40OHM_SR_SLOWEST_WD_DQ_NO_PULL_DQS_NO_PULL_ES2,
+	.ctrl_ddrio_0 = DDR_IO_0_VREF_CELLS_DDR3_VALUE_ES2,
+	.ctrl_ddrio_1 = DDR_IO_1_VREF_CELLS_DDR3_VALUE_ES2,
+	.ctrl_ddrio_2 = DDR_IO_2_VREF_CELLS_DDR3_VALUE_ES2,
+	.ctrl_emif_sdram_config_ext = SDRAM_CONFIG_EXT_RD_LVL_11_SAMPLES,
+};
+
 void hw_data_init(void)
 {
 	u32 omap_rev = omap_revision();
@@ -530,6 +540,9 @@  void get_ioregs(const struct ctrl_ioregs **regs)
 	case OMAP5432_ES1_0:
 		*regs = &ioregs_omap5432_es1;
 	break;
+	case OMAP5432_ES2_0:
+		*regs = &ioregs_omap5432_es2;
+	break;
 
 	default:
 		printf("\n INVALID OMAP REVISION ");
diff --git a/arch/arm/cpu/armv7/omap5/sdram.c b/arch/arm/cpu/armv7/omap5/sdram.c
index 687800f..2ef7fcd 100644
--- a/arch/arm/cpu/armv7/omap5/sdram.c
+++ b/arch/arm/cpu/armv7/omap5/sdram.c
@@ -67,6 +67,25 @@  const struct emif_regs emif_regs_532_mhz_2cs = {
 	.emif_ddr_ext_phy_ctrl_5	= 0x04010040
 };
 
+const struct emif_regs emif_regs_532_mhz_2cs_es2 = {
+	.sdram_config_init		= 0x80800EBA,
+	.sdram_config			= 0x808022BA,
+	.ref_ctrl			= 0x0000081A,
+	.sdram_tim1			= 0x772F6873,
+	.sdram_tim2			= 0x304a129a,
+	.sdram_tim3			= 0x02f7e45f,
+	.read_idle_ctrl			= 0x00050000,
+	.zq_config			= 0x100b3215,
+	.temp_alert_config		= 0x08000a05,
+	.emif_ddr_phy_ctlr_1_init	= 0x0E30400d,
+	.emif_ddr_phy_ctlr_1		= 0x0E30400d,
+	.emif_ddr_ext_phy_ctrl_1	= 0x04020080,
+	.emif_ddr_ext_phy_ctrl_2	= 0x28C518A3,
+	.emif_ddr_ext_phy_ctrl_3	= 0x518A3146,
+	.emif_ddr_ext_phy_ctrl_4	= 0x0014628C,
+	.emif_ddr_ext_phy_ctrl_5	= 0xC330CC33,
+};
+
 const struct emif_regs emif_regs_266_mhz_2cs = {
 	.sdram_config_init		= 0x80800EBA,
 	.sdram_config			= 0x808022BA,
@@ -109,6 +128,29 @@  const struct emif_regs emif_regs_ddr3_532_mhz_1cs = {
 	.emif_rd_wr_exec_thresh		= 0x00000305
 };
 
+const struct emif_regs emif_regs_ddr3_532_mhz_1cs_es2 = {
+	.sdram_config_init              = 0x61851B32,
+	.sdram_config                   = 0x61851B32,
+	.ref_ctrl                       = 0x00001035,
+	.sdram_tim1                     = 0xCCCF36B3,
+	.sdram_tim2                     = 0x308F7FDA,
+	.sdram_tim3                     = 0x027F88A8,
+	.read_idle_ctrl                 = 0x00050000,
+	.zq_config                      = 0x1007190B,
+	.temp_alert_config              = 0x00000000,
+	.emif_ddr_phy_ctlr_1_init       = 0x0030400A,
+	.emif_ddr_phy_ctlr_1            = 0x0034400A,
+	.emif_ddr_ext_phy_ctrl_1        = 0x04040100,
+	.emif_ddr_ext_phy_ctrl_2        = 0x00000000,
+	.emif_ddr_ext_phy_ctrl_3        = 0x00000000,
+	.emif_ddr_ext_phy_ctrl_4        = 0x00000000,
+	.emif_ddr_ext_phy_ctrl_5        = 0x4350D435,
+	.emif_rd_wr_lvl_rmp_win         = 0x00000000,
+	.emif_rd_wr_lvl_rmp_ctl         = 0x80000000,
+	.emif_rd_wr_lvl_ctl             = 0x00000000,
+	.emif_rd_wr_exec_thresh         = 0x40000305
+};
+
 const struct dmm_lisa_map_regs lisa_map_4G_x_2_x_2 = {
 	.dmm_lisa_map_0 = 0x0,
 	.dmm_lisa_map_1 = 0x0,
@@ -125,8 +167,12 @@  static void emif_get_reg_dump_sdp(u32 emif_nr, const struct emif_regs **regs)
 	case OMAP5432_ES1_0:
 		*regs = &emif_regs_ddr3_532_mhz_1cs;
 		break;
+	case OMAP5430_ES2_0:
+		*regs = &emif_regs_532_mhz_2cs_es2;
+		break;
+	case OMAP5432_ES2_0:
 	default:
-		*regs = &emif_regs_ddr3_532_mhz_1cs;
+		*regs = &emif_regs_ddr3_532_mhz_1cs_es2;
 	}
 }
 
@@ -210,6 +256,28 @@  const u32 ddr3_ext_phy_ctrl_const_base_es1[EMIF_EXT_PHY_CTRL_CONST_REG] = {
 	0x00000057
 };
 
+const u32 ddr3_ext_phy_ctrl_const_base_es2[EMIF_EXT_PHY_CTRL_CONST_REG] = {
+	0x50D4350D,
+	0x00000D43,
+	0x04010040,
+	0x01004010,
+	0x00001004,
+	0x00000000,
+	0x00000000,
+	0x00000000,
+	0x80080080,
+	0x00800800,
+	0x08102040,
+	0x00000002,
+	0x00000000,
+	0x00000000,
+	0x00000000,
+	0x00000000,
+	0x00000000,
+	0x00000000,
+	0x00000057
+};
+
 const struct lpddr2_mr_regs mr_regs = {
 	.mr1	= MR1_BL_8_BT_SEQ_WRAP_EN_NWR_8,
 	.mr2	= 0x6,
@@ -222,13 +290,16 @@  static void emif_get_ext_phy_ctrl_const_regs(const u32 **regs)
 {
 	switch (omap_revision()) {
 	case OMAP5430_ES1_0:
+	case OMAP5430_ES2_0:
 		*regs = ext_phy_ctrl_const_base;
 		break;
 	case OMAP5432_ES1_0:
 		*regs = ddr3_ext_phy_ctrl_const_base_es1;
 		break;
+	case OMAP5432_ES2_0:
 	default:
-		*regs = ddr3_ext_phy_ctrl_const_base_es1;
+		*regs = ddr3_ext_phy_ctrl_const_base_es2;
+
 	}
 }
 
diff --git a/arch/arm/include/asm/arch-omap5/omap.h b/arch/arm/include/asm/arch-omap5/omap.h
index c79d833..0a7171b 100644
--- a/arch/arm/include/asm/arch-omap5/omap.h
+++ b/arch/arm/include/asm/arch-omap5/omap.h
@@ -168,6 +168,12 @@  struct s32ktimer {
 #define DDR_IO_1_VREF_CELLS_DDR3_VALUE				0xBC6318DC
 #define DDR_IO_2_VREF_CELLS_DDR3_VALUE				0x0
 
+#define DDR_IO_I_40OHM_SR_SLOWEST_WD_DQ_NO_PULL_DQS_NO_PULL_ES2 0x7C7C7C7C
+#define DDR_IO_I_40OHM_SR_FAST_WD_DQ_NO_PULL_DQS_NO_PULL_ES2 0x64656465
+#define DDR_IO_0_VREF_CELLS_DDR3_VALUE_ES2 0xBAE8C631
+#define DDR_IO_1_VREF_CELLS_DDR3_VALUE_ES2 0xB46318D8
+#define DDR_IO_2_VREF_CELLS_DDR3_VALUE_ES2 0x84210000
+
 #define EFUSE_1 0x45145100
 #define EFUSE_2 0x45145100
 #define EFUSE_3 0x45145100
diff --git a/arch/arm/include/asm/emif.h b/arch/arm/include/asm/emif.h
index fd530bb..9d72fe3 100644
--- a/arch/arm/include/asm/emif.h
+++ b/arch/arm/include/asm/emif.h
@@ -519,6 +519,7 @@ 
 
 #define SDRAM_CONFIG_EXT_RD_LVL_11_SAMPLES	0x0000C1A7
 #define SDRAM_CONFIG_EXT_RD_LVL_4_SAMPLES	0x000001A7
+#define SDRAM_CONFIG_EXT_RD_LVL_11_SAMPLES_ES2 0x0000C1C7
 
 /* DMM */
 #define DMM_BASE			0x4E000040