From: Angela Stegmaier <angelaba...@ti.com>
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 <angelaba...@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvu...@ti.com>
---
arch/arm/cpu/armv7/omap5/sdram.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
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_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,
--
1.9.1
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