[U-Boot] [Patch v7 2/2] exynos5250: arndale: Add mmc support
Chander Kashyap
chander.kashyap at linaro.org
Wed Aug 21 07:08:57 CEST 2013
From: Inderpal Singh <inderpal.singh at linaro.org>
This patch adds mmc support to the arndale board.
Signed-off-by: Inderpal Singh <inderpal.singh at 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 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 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
More information about the U-Boot
mailing list