Marvell: dkb: add mmc support

Signed-off-by: Lei Wen <leiwen@marvell.com>

diff --git a/board/Marvell/dkb/dkb.c b/board/Marvell/dkb/dkb.c
index 00f73e79f79e3b17f7e6ed356bbde6ae43abc86c..4a9abee0f1697c7bb0c38636381321f624efcb95 100644 (file)
--- a/board/Marvell/dkb/dkb.c
+++ b/board/Marvell/dkb/dkb.c
@@ -24,8 +24,12 @@
 
 #include <common.h>
 #include <mvmfp.h>
+#include <i2c.h>
 #include <asm/arch/mfp.h>
 #include <asm/arch/cpu.h>
+#ifdef CONFIG_GENERIC_MMC
+#include <sdhci.h>
+#endif
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -40,6 +44,20 @@ int board_early_init_f(void)
                MFP53_CI2C_SCL,
                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*/
        };
        /* configure MFP's */
@@ -56,3 +74,28 @@ int board_init(void)
        gd->bd->bi_boot_params = panth_sdram_base(0) + 0x100;
        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