From: Angela Stegmaier Date: Mon, 16 Feb 2015 04:45:55 +0000 (+0530) Subject: ARM: DRA72x: DDR3: Fix EMIF timings for 666MHz clock X-Git-Tag: v2015.04-rc2~22 X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=aa8ac43645243b69faf0e81fab5f0d6fcf4285cf;p=oweals%2Fu-boot.git 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 Signed-off-by: Lokesh Vutla --- diff --git a/arch/arm/cpu/armv7/omap5/sdram.c b/arch/arm/cpu/armv7/omap5/sdram.c index 7d8cec08c2..e5456ff7cb 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,