[U-Boot] [PATCH v3 2/2] exynos5250: arndale: Add mmc support

Inderpal Singh
2013-07-02T04:41:52Z

This patch adds mmc support to the arndale board.

Signed-off-by: Inderpal Singh <inderpal.singh@linaro.org>
---
board/samsung/arndale/arndale.c | 14 ++++++++++++++
board/samsung/dts/exynos5250-arndale.dts | 18 ++++++++++++++++++
2 files changed, 32 insertions(+)

diff --git a/board/samsung/arndale/arndale.c b/board/samsung/arndale/arndale.c
index 627583b..7f8a568 100644
--- a/board/samsung/arndale/arndale.c
+++ b/board/samsung/arndale/arndale.c
@@ -22,6 +22,7 @@

#include <common.h>
#include <asm/arch/pinmux.h>
+#include <asm/arch/dwmmc.h>
#include <asm/arch/power.h>

DECLARE_GLOBAL_DATA_PTR;
@@ -64,6 +65,19 @@ void dram_init_banksize(void)
}
}

+#ifdef CONFIG_GENERIC_MMC
+int board_mmc_init(bd_t *bis)
+{
+ int ret;
+ /* dwmmc initializattion for available channels */
+ ret = exynos_dwmmc_init(gd->fdt_blob);
+ if (ret)
+ debug("dwmmc init failed\n");
+
+ return ret;
+}
+#endif
+
static int board_uart_init(void)
{
int err, uart_id, ret = 0;
diff --git a/board/samsung/dts/exynos5250-arndale.dts b/board/samsung/dts/exynos5250-arndale.dts
index 3081ab4..948275a 100644
--- a/board/samsung/dts/exynos5250-arndale.dts
+++ b/board/samsung/dts/exynos5250-arndale.dts
@@ -20,4 +20,22 @@
serial0 = "/serial at 12C20000";
console = "/serial at 12C20000";
};
+
+ mmc at 12200000 {
+ samsung,bus-width = <8>;
+ samsung,timing = <1 3 3>;
+ };
+
+ mmc at 12210000 {
+ status = "disabled";
+ };
+
+ mmc at 12220000 {
+ samsung,bus-width = <4>;
+ samsung,timing = <1 2 3>;
+ };
+
+ mmc at 12230000 {
+ status = "disabled";
+ };
};
--
1.7.9.5