]> git.karo-electronics.de Git - karo-tx-uboot.git/commitdiff
ARM: DRA72x: DDR3: Fix EMIF timings for 666MHz clock
authorAngela Stegmaier <angelabaker@ti.com>
Mon, 16 Feb 2015 04:45:55 +0000 (10:15 +0530)
committerLothar Waßmann <LW@KARO-electronics.de>
Tue, 1 Sep 2015 11:52:19 +0000 (13:52 +0200)
DDR3 timing and latency paramenters were not configured
correctly for 666MHz. Fixing the timing and latency values
according to Data sheet.
This fixes the random crashes seen on DRA72-evm.

Signed-off-by: Angela Stegmaier <angelabaker@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
arch/arm/cpu/armv7/omap5/sdram.c

index 7d8cec08c2f189283e0a7e170763db98e3a5818b..e5456ff7cb616eeb6a8e210a8ef3904e286cffb0 100644 (file)
@@ -186,18 +186,18 @@ const struct emif_regs emif_2_regs_ddr3_532_mhz_1cs_dra_es1 = {
 };
 
 const struct emif_regs emif_1_regs_ddr3_666_mhz_1cs_dra_es1 = {
-       .sdram_config_init              = 0x61851AB2,
-       .sdram_config                   = 0x61851AB2,
+       .sdram_config_init              = 0x61862B32,
+       .sdram_config                   = 0x61862B32,
        .sdram_config2                  = 0x08000000,
-       .ref_ctrl                       = 0x00001035,
-       .sdram_tim1                     = 0xCCCF36B3,
-       .sdram_tim2                     = 0x308F7FDA,
-       .sdram_tim3                     = 0x027F88A8,
+       .ref_ctrl                       = 0x0000144A,
+       .sdram_tim1                     = 0xD113781C,
+       .sdram_tim2                     = 0x308F7FE3,
+       .sdram_tim3                     = 0x009F86A8,
        .read_idle_ctrl                 = 0x00050000,
        .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       = 0x0E24400D,
+       .emif_ddr_phy_ctlr_1            = 0x0E24400D,
        .emif_ddr_ext_phy_ctrl_1        = 0x10040100,
        .emif_ddr_ext_phy_ctrl_2        = 0x00A400A4,
        .emif_ddr_ext_phy_ctrl_3        = 0x00A900A9,