am335x: Update timings for the beaglebone again

After further testing we can run DDR at 400MHz so update the timings
again.

Tested-by: Koen Kooi <koen@dominion.thruhere.net>
Signed-off-by: Tom Rini <trini@ti.com>

diff --git a/arch/arm/include/asm/arch-am33xx/ddr_defs.h b/arch/arm/include/asm/arch-am33xx/ddr_defs.h
index 260cc3484f09330fdcb19707a1db89c1f3058c8d..914df015250f87ac2f18eb87fd600641b1b7835d 100644 (file)
--- a/arch/arm/include/asm/arch-am33xx/ddr_defs.h
+++ b/arch/arm/include/asm/arch-am33xx/ddr_defs.h
@@ -84,19 +84,19 @@
 #define MT41J256M8HX15E_IOCTRL_VALUE           0x18B
 
 /* Micron MT41K256M16HA-125E */
-#define MT41K256M16HA125E_EMIF_READ_LATENCY    0x100006
-#define MT41K256M16HA125E_EMIF_TIM1            0x0888A39B
-#define MT41K256M16HA125E_EMIF_TIM2            0x26517FDA
-#define MT41K256M16HA125E_EMIF_TIM3            0x501F84EF
-#define MT41K256M16HA125E_EMIF_SDCFG           0x61C04BB2
-#define MT41K256M16HA125E_EMIF_SDREF           0x0000093B
+#define MT41K256M16HA125E_EMIF_READ_LATENCY    0x100007
+#define MT41K256M16HA125E_EMIF_TIM1            0x0AAAD4DB
+#define MT41K256M16HA125E_EMIF_TIM2            0x26437FDA
+#define MT41K256M16HA125E_EMIF_TIM3            0x501F83FF
+#define MT41K256M16HA125E_EMIF_SDCFG           0x61C052B2
+#define MT41K256M16HA125E_EMIF_SDREF           0xC30
 #define MT41K256M16HA125E_ZQ_CFG               0x50074BE4
 #define MT41K256M16HA125E_DLL_LOCK_DIFF                0x1
-#define MT41K256M16HA125E_RATIO                        0x40
+#define MT41K256M16HA125E_RATIO                        0x80
 #define MT41K256M16HA125E_INVERT_CLKOUT                0x0
-#define MT41K256M16HA125E_RD_DQS               0x3C
-#define MT41K256M16HA125E_WR_DQS               0x45
-#define MT41K256M16HA125E_PHY_WR_DATA          0x7F
+#define MT41K256M16HA125E_RD_DQS               0x3A
+#define MT41K256M16HA125E_WR_DQS               0x42
+#define MT41K256M16HA125E_PHY_WR_DATA          0x7E
 #define MT41K256M16HA125E_PHY_FIFO_WE          0x9B
 #define MT41K256M16HA125E_IOCTRL_VALUE         0x18B
 

diff --git a/board/ti/am335x/board.c b/board/ti/am335x/board.c
index 12620bb69cd051b357957bd92d9a1d4582e426d8..b371376bc72c0f6d0b5c6118057065a6cd1679e4 100644 (file)
--- a/board/ti/am335x/board.c
+++ b/board/ti/am335x/board.c
@@ -379,7 +379,7 @@ void s_init(void)
                config_ddr(303, MT41J128MJT125_IOCTRL_VALUE, &ddr3_data,
                           &ddr3_cmd_ctrl_data, &ddr3_emif_reg_data, 0);
        else if (board_is_bone_lt())
-               config_ddr(303, MT41K256M16HA125E_IOCTRL_VALUE,
+               config_ddr(400, MT41K256M16HA125E_IOCTRL_VALUE,
                           &ddr3_beagleblack_data,
                           &ddr3_beagleblack_cmd_ctrl_data,
                           &ddr3_beagleblack_emif_reg_data, 0);