From: Poonam Aggrwal Date: Mon, 7 Feb 2011 11:47:28 +0000 (+0530) Subject: powerpc/85xx: Optimized DDR settings for 800MT/s on P1/P2 RDB X-Git-Tag: v2011.06-rc1~185^2~16 X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=66c74fca18aab4c4182be486641d7a374689c4c3;p=u-boot powerpc/85xx: Optimized DDR settings for 800MT/s on P1/P2 RDB Changed the following DDR timing parameters for 800Mt/s: tRRT BL/2+1 to BL/2 tWWT BL/2+1 to BL/2 tWRT BL/2+1 to BL/2 tRWT BL/2+1 to BL/2 REFINT 6500ns to 7800ns Signed-off-by: Poonam Aggrwal Signed-off-by: Kumar Gala --- diff --git a/board/freescale/p1_p2_rdb/ddr.c b/board/freescale/p1_p2_rdb/ddr.c index 853044e1cf..71c60888ac 100644 --- a/board/freescale/p1_p2_rdb/ddr.c +++ b/board/freescale/p1_p2_rdb/ddr.c @@ -74,13 +74,13 @@ DECLARE_GLOBAL_DATA_PTR; #define CONFIG_SYS_DDR_INTERVAL_667 0x0a280100 #define CONFIG_SYS_DDR_TIMING_3_800 0x00040000 -#define CONFIG_SYS_DDR_TIMING_0_800 0x55770802 +#define CONFIG_SYS_DDR_TIMING_0_800 0x00770802 #define CONFIG_SYS_DDR_TIMING_1_800 0x6f6b6543 #define CONFIG_SYS_DDR_TIMING_2_800 0x0fa074d1 #define CONFIG_SYS_DDR_CLK_CTRL_800 0x02800000 #define CONFIG_SYS_DDR_MODE_1_800 0x00040852 #define CONFIG_SYS_DDR_MODE_2_800 0x00000000 -#define CONFIG_SYS_DDR_INTERVAL_800 0x0a280100 +#define CONFIG_SYS_DDR_INTERVAL_800 0x0c300100 fsl_ddr_cfg_regs_t ddr_cfg_regs_400 = { .cs[0].bnds = CONFIG_SYS_DDR_CS0_BNDS,