ARM: DRA72x: DDR3: Fix EMIF timings for 666MHz clock
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>
diff --git a/arch/arm/cpu/armv7/omap5/sdram.c b/arch/arm/cpu/armv7/omap5/sdram.c
index 7d8cec0..e5456ff 100644
--- a/arch/arm/cpu/armv7/omap5/sdram.c
+++ b/arch/arm/cpu/armv7/omap5/sdram.c
@@ -186,18 +186,18 @@
};
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,