diff options
author | Tom Rini <trini@ti.com> | 2012-07-26 07:49:23 -0700 |
---|---|---|
committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2012-08-05 22:02:38 +0200 |
commit | 2cd37b98acededbbe274b80e1a4bc16489320b68 (patch) | |
tree | c45a0df6b19776e0e599aaf726db4c8280dfb427 /arch | |
parent | a2e8ad95dabb08d899e84551c72a5a2798d74875 (diff) |
am33xx: Rework DDR2 EMIF initalization slightly
With the previous bugfix we now don't need to set two different REF_CTRL
values and instead set the final value.
Signed-off-by: Tom Rini <trini@ti.com>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/arm/cpu/armv7/am33xx/emif4.c | 17 |
1 files changed, 2 insertions, 15 deletions
diff --git a/arch/arm/cpu/armv7/am33xx/emif4.c b/arch/arm/cpu/armv7/am33xx/emif4.c index 2f4164df8..8f7aadc60 100644 --- a/arch/arm/cpu/armv7/am33xx/emif4.c +++ b/arch/arm/cpu/armv7/am33xx/emif4.c @@ -117,7 +117,6 @@ static void config_vtp(void) static void config_emif_ddr2(void) { - int i; int ret; struct sdram_config cfg; struct sdram_timing tmg; @@ -137,31 +136,19 @@ static void config_emif_ddr2(void) cfg.sdrcr = EMIF_SDCFG; cfg.sdrcr2 = EMIF_SDCFG; - cfg.refresh = 0x00004650; - cfg.refresh_sh = 0x00004650; + cfg.refresh = EMIF_SDREF; + cfg.refresh_sh = EMIF_SDREF; /* Program EMIF instance */ ret = config_ddr_phy(&phyc); if (ret < 0) printf("Couldn't configure phyc\n"); - ret = config_sdram(&cfg); - if (ret < 0) - printf("Couldn't configure SDRAM\n"); ret = set_sdram_timings(&tmg); if (ret < 0) printf("Couldn't configure timings\n"); - /* Delay */ - for (i = 0; i < 5000; i++) - ; - - cfg.refresh = EMIF_SDREF; - cfg.refresh_sh = EMIF_SDREF; - cfg.sdrcr = EMIF_SDCFG; - cfg.sdrcr2 = EMIF_SDCFG; - ret = config_sdram(&cfg); if (ret < 0) printf("Couldn't configure SDRAM\n"); |