From: Stefano Babic <sbabic@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] MX35: mx35pdk: add support for MMC
Date: Thu, 6 Sep 2012 09:47:42 +0200 [thread overview]
Message-ID: <1346917662-23414-1-git-send-email-sbabic@denx.de> (raw)
Add support for SD card and change the default
environment due to increased u-boot size.
Signed-off-by: Stefano Babic <sbabic@denx.de>
---
board/freescale/mx35pdk/mx35pdk.c | 25 +++++++++++++++++++++++++
include/configs/mx35pdk.h | 17 +++++++++++++++--
2 files changed, 40 insertions(+), 2 deletions(-)
diff --git a/board/freescale/mx35pdk/mx35pdk.c b/board/freescale/mx35pdk/mx35pdk.c
index bc415b8..0c2d946 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, 1};
+
+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 6eb5da5..d31edb9 100644
--- a/include/configs/mx35pdk.h
+++ b/include/configs/mx35pdk.h
@@ -111,6 +111,12 @@
#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 */
@@ -246,6 +252,13 @@
#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
@@ -287,8 +300,8 @@
"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;" \
--
1.7.9.5
reply other threads:[~2012-09-06 7:47 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
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