From: Stefano Babic <sbabic@denx.de>
Date: Wed, 5 Sep 2012 21:47:42 +0000 (+0000)
Subject: MX35: mx35pdk: add support for MMC
X-Git-Tag: v2012.10-rc1~2^2^2~3
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=3292539e7dc347c2d8a8f307b3a1ffa67ca1d4fe;p=u-boot

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 787c9232d2..7cb6b3086f 100644
--- 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 834b97da77..38b1546584 100644
--- 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;"				\