From 3292539e7dc347c2d8a8f307b3a1ffa67ca1d4fe Mon Sep 17 00:00:00 2001
From: Stefano Babic <sbabic@denx.de>
Date: Wed, 5 Sep 2012 21:47:42 +0000
Subject: 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>
---
 board/freescale/mx35pdk/mx35pdk.c | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

(limited to 'board/freescale/mx35pdk/mx35pdk.c')

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
-- 
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