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[U-Boot,v7,2/2] exynos5250: arndale: Add mmc support

Message ID 1377061737-32285-3-git-send-email-chander.kashyap@linaro.org
State Accepted
Delegated to: Minkyu Kang
Headers show

Commit Message

Chander Kashyap Aug. 21, 2013, 5:08 a.m. UTC 
From: Inderpal Singh <inderpal.singh@linaro.org>

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(+)
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Patch

diff --git a/board/samsung/arndale/arndale.c b/board/samsung/arndale/arndale.c
index 84d8f19..052fecd 100644
--- a/board/samsung/arndale/arndale.c
+++ b/board/samsung/arndale/arndale.c
@@ -6,6 +6,7 @@ 
 
 #include <common.h>
 #include <asm/arch/pinmux.h>
+#include <asm/arch/dwmmc.h>
 #include <asm/arch/power.h>
 
 DECLARE_GLOBAL_DATA_PTR;
@@ -48,6 +49,19 @@  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 = 0, uart_id;
diff --git a/board/samsung/dts/exynos5250-arndale.dts b/board/samsung/dts/exynos5250-arndale.dts
index d3c0527..c700e45 100644
--- a/board/samsung/dts/exynos5250-arndale.dts
+++ b/board/samsung/dts/exynos5250-arndale.dts
@@ -18,4 +18,22 @@ 
 		serial0 = "/serial@12C20000";
 		console = "/serial@12C20000";
 	};
+
+	mmc@12200000 {
+		samsung,bus-width = <8>;
+		samsung,timing = <1 3 3>;
+	};
+
+	mmc@12210000 {
+		status = "disabled";
+	};
+
+	mmc@12220000 {
+		samsung,bus-width = <4>;
+		samsung,timing = <1 2 3>;
+	};
+
+	mmc@12230000 {
+		status = "disabled";
+	};
 };