[U-Boot] [PATCH 3/3] ARM: DRA7-evm: DDR3: Update leveling values

Lokesh Vutla lokeshvutla at ti.com
Mon Feb 16 05:45:57 CET 2015


Update the software leveling parameters.
This fixes the random crash seen on DRA7-evm.

Signed-off-by: Lokesh Vutla <lokeshvutla at ti.com>
---
 arch/arm/cpu/armv7/omap5/sdram.c | 60 ++++++++++++++++++++--------------------
 1 file changed, 30 insertions(+), 30 deletions(-)

diff --git a/arch/arm/cpu/armv7/omap5/sdram.c b/arch/arm/cpu/armv7/omap5/sdram.c
index 61e9aef..5f8daa1 100644
--- a/arch/arm/cpu/armv7/omap5/sdram.c
+++ b/arch/arm/cpu/armv7/omap5/sdram.c
@@ -152,10 +152,10 @@ const struct emif_regs emif_1_regs_ddr3_532_mhz_1cs_dra_es1 = {
 	.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        = 0x00BB00BB,
-	.emif_ddr_ext_phy_ctrl_3        = 0x00BB00BB,
-	.emif_ddr_ext_phy_ctrl_4        = 0x00BB00BB,
-	.emif_ddr_ext_phy_ctrl_5        = 0x00BB00BB,
+	.emif_ddr_ext_phy_ctrl_2        = 0x00910091,
+	.emif_ddr_ext_phy_ctrl_3        = 0x00950095,
+	.emif_ddr_ext_phy_ctrl_4        = 0x009B009B,
+	.emif_ddr_ext_phy_ctrl_5        = 0x009E009E,
 	.emif_rd_wr_lvl_rmp_win         = 0x00000000,
 	.emif_rd_wr_lvl_rmp_ctl         = 0x00000000,
 	.emif_rd_wr_lvl_ctl             = 0x00000000,
@@ -177,10 +177,10 @@ const struct emif_regs emif_2_regs_ddr3_532_mhz_1cs_dra_es1 = {
 	.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        = 0x00BB00BB,
-	.emif_ddr_ext_phy_ctrl_3        = 0x00BB00BB,
-	.emif_ddr_ext_phy_ctrl_4        = 0x00BB00BB,
-	.emif_ddr_ext_phy_ctrl_5        = 0x00BB00BB,
+	.emif_ddr_ext_phy_ctrl_2        = 0x00910091,
+	.emif_ddr_ext_phy_ctrl_3        = 0x00950095,
+	.emif_ddr_ext_phy_ctrl_4        = 0x009B009B,
+	.emif_ddr_ext_phy_ctrl_5        = 0x009E009E,
 	.emif_rd_wr_lvl_rmp_win         = 0x00000000,
 	.emif_rd_wr_lvl_rmp_ctl         = 0x00000000,
 	.emif_rd_wr_lvl_ctl             = 0x00000000,
@@ -423,22 +423,22 @@ const u32 ddr3_ext_phy_ctrl_const_base_es2[] = {
 
 const u32
 dra_ddr3_ext_phy_ctrl_const_base_es1_emif1[] = {
-	0x00BB00BB,
-	0x00440044,
-	0x00440044,
-	0x00440044,
-	0x00440044,
-	0x00440044,
+	0x00980098,
+	0x00340034,
+	0x00350035,
+	0x00340034,
+	0x00310031,
+	0x00340034,
 	0x007F007F,
 	0x007F007F,
 	0x007F007F,
 	0x007F007F,
 	0x007F007F,
-	0x00600060,
-	0x00600060,
-	0x00600060,
-	0x00600060,
-	0x00600060,
+	0x00480048,
+	0x004A004A,
+	0x00520052,
+	0x00550055,
+	0x00500050,
 	0x00000000,
 	0x00600020,
 	0x40010080,
@@ -452,22 +452,22 @@ dra_ddr3_ext_phy_ctrl_const_base_es1_emif1[] = {
 
 const u32
 dra_ddr3_ext_phy_ctrl_const_base_es1_emif2[] = {
-	0x00BB00BB,
-	0x00440044,
-	0x00440044,
-	0x00440044,
-	0x00440044,
-	0x00440044,
+	0x00980098,
+	0x00330033,
+	0x00330033,
+	0x002F002F,
+	0x00320032,
+	0x00310031,
 	0x007F007F,
 	0x007F007F,
 	0x007F007F,
 	0x007F007F,
 	0x007F007F,
-	0x00600060,
-	0x00600060,
-	0x00600060,
-	0x00600060,
-	0x00600060,
+	0x00520052,
+	0x00520052,
+	0x00470047,
+	0x00490049,
+	0x00500050,
 	0x00000000,
 	0x00600020,
 	0x40010080,
-- 
1.9.1



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