MX35: mx35pdk: add support for MMC

Add support for SD card and change the default
environment due to increased u-boot size.

Signed-off-by: Stefano Babic <sbabic@denx.de>

diff --git a/board/freescale/mx35pdk/mx35pdk.c b/board/freescale/mx35pdk/mx35pdk.c
index 787c9232d25f7d734362e198952f78caab8756e8..7cb6b3086f1d79088aeb3531fc6c0acda83cae9c 100644 (file)
--- a/board/freescale/mx35pdk/mx35pdk.c
+++ b/board/freescale/mx35pdk/mx35pdk.c
@@ -32,6 +32,8 @@
 #include <i2c.h>
 #include <pmic.h>
 #include <fsl_pmic.h>
+#include <mmc.h>
+#include <fsl_esdhc.h>
 #include <mc9sdz60.h>
 #include <mc13892.h>
 #include <linux/types.h>
@@ -275,3 +277,26 @@ int board_eth_init(bd_t *bis)
 
        return rc;
 }
+
+#if defined(CONFIG_FSL_ESDHC)
+
+struct fsl_esdhc_cfg esdhc_cfg = {MMC_SDHC1_BASE_ADDR};
+
+int board_mmc_init(bd_t *bis)
+{
+       /* configure pins for SDHC1 only */
+       mxc_request_iomux(MX35_PIN_SD1_CMD, MUX_CONFIG_FUNC);
+       mxc_request_iomux(MX35_PIN_SD1_CLK, MUX_CONFIG_FUNC);
+       mxc_request_iomux(MX35_PIN_SD1_DATA0, MUX_CONFIG_FUNC);
+       mxc_request_iomux(MX35_PIN_SD1_DATA1, MUX_CONFIG_FUNC);
+       mxc_request_iomux(MX35_PIN_SD1_DATA2, MUX_CONFIG_FUNC);
+       mxc_request_iomux(MX35_PIN_SD1_DATA3, MUX_CONFIG_FUNC);
+
+       return fsl_esdhc_initialize(bis, &esdhc_cfg);
+}
+
+int board_mmc_getcd(struct mmc *mmc)
+{
+       return !(mc9sdz60_reg_read(MC9SDZ60_REG_DES_FLAG) & 0x4);
+}
+#endif

diff --git a/include/configs/mx35pdk.h b/include/configs/mx35pdk.h
index 834b97da7783ef78e7a0b4a1998f380b56adbc2b..38b154658438cab2ae8d974417a8150f4ef831f7 100644 (file)
--- a/include/configs/mx35pdk.h
+++ b/include/configs/mx35pdk.h
@@ -110,6 +110,12 @@
 #define CONFIG_NET_RETRY_COUNT 100
 #define CONFIG_CMD_DATE
 
+#define CONFIG_CMD_MMC
+#define CONFIG_DOS_PARTITION
+#define CONFIG_EFI_PARTITION
+#define CONFIG_CMD_EXT2
+#define CONFIG_CMD_FAT
+
 #define CONFIG_BOOTDELAY       3
 
 #define CONFIG_LOADADDR                0x80800000      /* loadaddr env var */
@@ -237,6 +243,13 @@
 #define CONFIG_MXC_NAND_HWECC
 #define CONFIG_SYS_NAND_LARGEPAGE
 
+/* mmc driver */
+#define CONFIG_MMC
+#define CONFIG_GENERIC_MMC
+#define CONFIG_FSL_ESDHC
+#define CONFIG_SYS_FSL_ESDHC_ADDR      0
+#define CONFIG_SYS_FSL_ESDHC_NUM       1
+
 /*
  * Default environment and default scripts
  * to update uboot and load kernel
@@ -278,8 +291,8 @@
        "u-boot=" xstr(CONFIG_HOSTNAME) "/u-boot.bin\0"                 \
        "load=tftp ${loadaddr} ${u-boot}\0"                             \
        "uboot_addr=" xstr(CONFIG_SYS_MONITOR_BASE) "\0"                \
-       "update=protect off ${uboot_addr} +40000;"                      \
-               "erase ${uboot_addr} +40000;"                           \
+       "update=protect off ${uboot_addr} +80000;"                      \
+               "erase ${uboot_addr} +80000;"                           \
                "cp.b ${loadaddr} ${uboot_addr} ${filesize}\0"          \
        "upd=if run load;then echo Updating u-boot;if run update;"      \
                "then echo U-Boot updated;"                             \