[U-Boot] [PATCH V2 2/4] Marvell: dkb: add mmc support

[Lei Wen]

Signed-off-by: Lei Wen <leiwen at marvell.com>
---
Changelog:
V2: remove magic number, and replace it by macro definition and structure respectively 

 board/Marvell/dkb/dkb.c |   43 +++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 43 insertions(+), 0 deletions(-)

diff --git a/board/Marvell/dkb/dkb.c b/board/Marvell/dkb/dkb.c
index 00f73e7..4a9abee 100644
--- 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
-- 
1.7.0.4