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| author | Otavio Salvador <otavio@ossystems.com.br> | 2013-01-11 03:19:11 +0000 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2013-01-21 12:05:21 +0100 |
| commit | 1ddf386e23288397cd5f2f80d7e10b07734edea5 (patch) | |
| tree | f575f72eea42facad85bca1783b527c4babe25a5 /arch | |
| parent | f942f7d962694a1e0e186367d11520c9902224cb (diff) | |
| download | u-boot-imx-1ddf386e23288397cd5f2f80d7e10b07734edea5.zip u-boot-imx-1ddf386e23288397cd5f2f80d7e10b07734edea5.tar.gz u-boot-imx-1ddf386e23288397cd5f2f80d7e10b07734edea5.tar.bz2 | |
mx23: SPL: Initialize DDR at 133MHz
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Cc: Marek Vasut <marex@denx.de>
Cc: Stefano Babic <sbabic@denx.de>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c b/arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c index 401c513..9d05f83 100644 --- a/arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c +++ b/arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c @@ -83,6 +83,22 @@ static uint32_t dram_vals[] = { 0x06120612, 0x04320432, 0x04320432, 0x00040004, 0x00040004, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00010001 + +/* + * i.MX23 DDR at 133MHz + */ +#elif defined(CONFIG_MX23) + 0x01010001, 0x00010100, 0x01000101, 0x00000001, + 0x00000101, 0x00000000, 0x00010000, 0x01000001, + 0x00000000, 0x00000001, 0x07000200, 0x00070202, + 0x02020000, 0x04040a01, 0x00000201, 0x02040000, + 0x02000000, 0x19000f08, 0x0d0d0000, 0x02021313, + 0x02061521, 0x0000000a, 0x00080008, 0x00200020, + 0x00200020, 0x00200020, 0x000003f7, 0x00000000, + 0x00000000, 0x00000020, 0x00000020, 0x00c80000, + 0x000a23cd, 0x000000c8, 0x00006665, 0x00000000, + 0x00000101, 0x00040001, 0x00000000, 0x00000000, + 0x00010000 #else #error Unsupported memory initialization #endif @@ -102,6 +118,10 @@ static void initialize_dram_values(void) for (i = 0; i < ARRAY_SIZE(dram_vals); i++) writel(dram_vals[i], MXS_DRAM_BASE + (4 * i)); + +#ifdef CONFIG_MX23 + writel((1 << 24), MXS_DRAM_BASE + (4 * 8)); +#endif } static void mxs_mem_init_clock(void) |