Mirrors/u-boot
2
0
Fork 0
mirror of https://github.com/AsahiLinux/u-boot synced 2024-11-30 00:21:06 +00:00
Code Issues Projects Releases Packages Wiki Activity

am335x: Update timings for the beaglebone again

Browse source 
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>
This commit is contained in:
Tom Rini 2013-04-10 15:10:54 +02:00
parent 74f40ea1bc
commit b996a3e9a8
2 changed files with 11 additions and 11 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

20
arch/arm/include/asm/arch-am33xx/ddr_defs.h
View file

@ -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

2
board/ti/am335x/board.c
View file

@ -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);