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Marvell: dkb: add mmc support

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Signed-off-by: Lei Wen <leiwen@marvell.com>
This commit is contained in:
Lei Wen 2011-10-03 20:33:42 +00:00 committed by Albert ARIBAUD
parent 3d90a2adcb
commit 19d3dbe244
1 changed files with 43 additions and 0 deletions
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43
board/Marvell/dkb/dkb.c
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@ -24,8 +24,12 @@
#include <common.h> #include <common.h>
#include <mvmfp.h> #include <mvmfp.h>
#include <i2c.h>
#include <asm/arch/mfp.h> #include <asm/arch/mfp.h>
#include <asm/arch/cpu.h> #include <asm/arch/cpu.h>
#ifdef CONFIG_GENERIC_MMC
#include <sdhci.h>
#endif
DECLARE_GLOBAL_DATA_PTR; DECLARE_GLOBAL_DATA_PTR;
@ -40,6 +44,20 @@ int board_early_init_f(void)
MFP53_CI2C_SCL, MFP53_CI2C_SCL,
MFP54_CI2C_SDA, MFP54_CI2C_SDA,
/* MMC1 */
MFP_MMC1_DAT7,
MFP_MMC1_DAT6,
MFP_MMC1_DAT5,
MFP_MMC1_DAT4,
MFP_MMC1_DAT3,
MFP_MMC1_DAT2,
MFP_MMC1_DAT1,
MFP_MMC1_DAT0,
MFP_MMC1_CMD,
MFP_MMC1_CLK,
MFP_MMC1_CD,
MFP_MMC1_WP,
MFP_EOC /*End of configureation*/ MFP_EOC /*End of configureation*/
}; };
/* configure MFP's */ /* configure MFP's */
@ -56,3 +74,28 @@ int board_init(void)
gd->bd->bi_boot_params = panth_sdram_base(0) + 0x100; gd->bd->bi_boot_params = panth_sdram_base(0) + 0x100;
return 0; return 0;
} }
#ifdef CONFIG_GENERIC_MMC
#define I2C_SLAVE_ADDR 0x34
#define LDO13_REG 0x28
#define LDO_V30 0x6
#define LDO_VOLTAGE(x) ((x & 0x7) << 1)
#define LDO_EN 0x1
int board_mmc_init(bd_t *bd)
{
ulong mmc_base_address[CONFIG_SYS_MMC_NUM] = CONFIG_SYS_MMC_BASE;
u8 i, data;
/* set LDO 13 to 3.0v */
data = LDO_VOLTAGE(LDO_V30) | LDO_EN;
i2c_write(I2C_SLAVE_ADDR, LDO13_REG, 1, &data, 1);
for (i = 0; i < CONFIG_SYS_MMC_NUM; i++) {
if (mv_sdh_init(mmc_base_address[i], 0, 0,
SDHCI_QUIRK_32BIT_DMA_ADDR))
return 1;
}
return 0;
}
#endif