[U-Boot] [PATCH 3/7] ARM: DRA7-evm: Enable HW leveling

Lokesh Vutla lokeshvutla at ti.com
Wed Jun 3 11:13:23 CEST 2015


Updating EMIF registers to enable HW leveling
on DRA7-evm.

Signed-off-by: Lokesh Vutla <lokeshvutla at ti.com>
---
 arch/arm/cpu/armv7/omap5/sdram.c | 22 ++++++++++++++++------
 1 file changed, 16 insertions(+), 6 deletions(-)

diff --git a/arch/arm/cpu/armv7/omap5/sdram.c b/arch/arm/cpu/armv7/omap5/sdram.c
index 2e23852..942a80a 100644
--- a/arch/arm/cpu/armv7/omap5/sdram.c
+++ b/arch/arm/cpu/armv7/omap5/sdram.c
@@ -149,15 +149,15 @@ const struct emif_regs emif_1_regs_ddr3_532_mhz_1cs_dra_es1 = {
 	.read_idle_ctrl                 = 0x00050001,
 	.zq_config                      = 0x0007190B,
 	.temp_alert_config              = 0x00000000,
-	.emif_ddr_phy_ctlr_1_init       = 0x0E24400A,
-	.emif_ddr_phy_ctlr_1            = 0x0E24400A,
+	.emif_ddr_phy_ctlr_1_init       = 0x0024400B,
+	.emif_ddr_phy_ctlr_1            = 0x0E24400B,
 	.emif_ddr_ext_phy_ctrl_1        = 0x10040100,
 	.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_rmp_ctl         = 0x80000000,
 	.emif_rd_wr_lvl_ctl             = 0x00000000,
 	.emif_rd_wr_exec_thresh         = 0x00000305
 };
@@ -174,15 +174,15 @@ const struct emif_regs emif_2_regs_ddr3_532_mhz_1cs_dra_es1 = {
 	.read_idle_ctrl                 = 0x00050001,
 	.zq_config                      = 0x0007190B,
 	.temp_alert_config              = 0x00000000,
-	.emif_ddr_phy_ctlr_1_init       = 0x0E24400A,
-	.emif_ddr_phy_ctlr_1            = 0x0E24400A,
+	.emif_ddr_phy_ctlr_1_init       = 0x0024400B,
+	.emif_ddr_phy_ctlr_1            = 0x0E24400B,
 	.emif_ddr_ext_phy_ctrl_1        = 0x10040100,
 	.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_rmp_ctl         = 0x80000000,
 	.emif_rd_wr_lvl_ctl             = 0x00000000,
 	.emif_rd_wr_exec_thresh         = 0x00000305
 };
@@ -453,6 +453,11 @@ dra_ddr3_ext_phy_ctrl_const_base_es1_emif1[] = {
 	0x0,
 	0x0,
 	0x0,
+	0x0,
+	0x0,
+	0x0,
+	0x0,
+	0x0,
 	0x0
 };
 
@@ -488,6 +493,11 @@ dra_ddr3_ext_phy_ctrl_const_base_es1_emif2[] = {
 	0x0,
 	0x0,
 	0x0,
+	0x0,
+	0x0,
+	0x0,
+	0x0,
+	0x0,
 	0x0
 };
 
-- 
1.9.1



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