summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorPoonam Aggrwal <poonam.aggrwal@freescale.com>2011-02-07 17:17:28 +0530
committerKumar Gala <galak@kernel.crashing.org>2011-04-04 09:24:42 -0500
commit66c74fca18aab4c4182be486641d7a374689c4c3 (patch)
treefe5db1cbbaf69695c37d8e783cfee0af67923b80
parent3313b20b950060723e6897870f793db7d3582084 (diff)
downloadu-boot-imx-66c74fca18aab4c4182be486641d7a374689c4c3.zip
u-boot-imx-66c74fca18aab4c4182be486641d7a374689c4c3.tar.gz
u-boot-imx-66c74fca18aab4c4182be486641d7a374689c4c3.tar.bz2
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 <poonam.aggrwal@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
-rw-r--r--board/freescale/p1_p2_rdb/ddr.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/board/freescale/p1_p2_rdb/ddr.c b/board/freescale/p1_p2_rdb/ddr.c
index 853044e..71c6088 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,