[U-Boot] [PATCH 6/9] SMDK5250: Enable DWMMC

[Amar]

This patch enables DWMMC for SMDK5250.
Support both dt and non-dt versions.

Signed-off-by: Amar <amarendra...@samsung.com>
---
 board/samsung/smdk5250/smdk5250.c |   36 ++++++++++++++++++++++++++++++++----
 include/configs/exynos5250-dt.h   |    9 +++++++++
 2 files changed, 41 insertions(+), 4 deletions(-)

diff --git a/board/samsung/smdk5250/smdk5250.c 
b/board/samsung/smdk5250/smdk5250.c
index 4d24978..7a9c8f6 100644
--- a/board/samsung/smdk5250/smdk5250.c
+++ b/board/samsung/smdk5250/smdk5250.c
@@ -27,6 +27,7 @@
 #include <netdev.h>
 #include <spi.h>
 #include <asm/arch/cpu.h>
+#include <asm/arch/dwmmc.h>
 #include <asm/arch/gpio.h>
 #include <asm/arch/mmc.h>
 #include <asm/arch/pinmux.h>
@@ -192,16 +193,43 @@ int checkboard(void)
 #ifdef CONFIG_GENERIC_MMC
 int board_mmc_init(bd_t *bis)
 {
-       int err;
+       int err = 0, ret = 0;
 
+#ifdef CONFIG_OF_CONTROL
+       /* dwmmc initializattion for available channels */
+       err = exynos_dwmmc_init(gd->fdt_blob);
+       if (err) {
+               debug("dwmmc init failed\n");
+       }
+       ret |= err;
+#else
        err = exynos_pinmux_config(PERIPH_ID_SDMMC0, PINMUX_FLAG_8BIT_MODE);
        if (err) {
                debug("SDMMC0 not configured\n");
-               return err;
        }
+       ret |= err;
 
-       err = s5p_mmc_init(0, 8);
-       return err;
+       /*eMMC: dwmmc Channel-0 with 8 bit bus width */
+       err = exynos_dwmmc_init(0, 8);
+       if (err) {
+               debug("dwmmc Channel-0 init failed\n");
+       }
+       ret |= err;
+
+       err = exynos_pinmux_config(PERIPH_ID_SDMMC2, PINMUX_FLAG_NONE);
+       if (err) {
+               debug("SDMMC2 not configured\n");
+       }
+       ret |= err;
+
+       /*SD: dwmmc Channel-2 with 4 bit bus width */
+       err = exynos_dwmmc_init(2, 4);
+       if (err) {
+               debug("dwmmc Channel-2 init failed\n");
+       }
+       ret |= err;
+#endif
+       return ret;
 }
 #endif
 
diff --git a/include/configs/exynos5250-dt.h b/include/configs/exynos5250-dt.h
index 12f555c..3b89e20 100644
--- a/include/configs/exynos5250-dt.h
+++ b/include/configs/exynos5250-dt.h
@@ -84,6 +84,8 @@
 #define CONFIG_MMC
 #define CONFIG_SDHCI
 #define CONFIG_S5P_SDHCI
+#define CONFIG_DWMMC
+#define CONFIG_EXYNOS_DWMMC
 
 #define CONFIG_BOARD_EARLY_INIT_F
 
@@ -116,6 +118,13 @@
 #define CONFIG_SPL
 #define COPY_BL2_FNPTR_ADDR    0x02020030
 
+/* eMMC4.4 SPL */
+#define EMMC44_COPY_BL2_FNPTR_ADDR     0x02020044
+#define EMMC44_END_BOOTOP_FNPTR_ADDR   0x02020048
+
+#define FSYS1_MMC0_DIV_MASK            0xff0f
+
+
 /* specific .lds file */
 #define CONFIG_SPL_LDSCRIPT    "board/samsung/smdk5250/smdk5250-uboot-spl.lds"
 #define CONFIG_SPL_TEXT_BASE   0x02023400
-- 
1.7.0.4

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