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MX35: mx35pdk: add support for MMC

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

Signed-off-by: Stefano Babic <sbabic@denx.de>
This commit is contained in:
Stefano Babic 2012-09-05 21:47:42 +00:00
parent 5d20881eec
commit 3292539e7d
2 changed files with 40 additions and 2 deletions
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25
board/freescale/mx35pdk/mx35pdk.c
View file

@ -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

17
include/configs/mx35pdk.h
View file

@ -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;" \