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 787c923..7cb6b30 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 @@
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