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authorStefano Babic <sbabic@denx.de>2012-09-05 21:47:42 +0000
committerStefano Babic <sbabic@denx.de>2012-09-10 14:32:47 +0200
commit3292539e7dc347c2d8a8f307b3a1ffa67ca1d4fe (patch)
tree449f3123895e07640fe015d34a64f87fd4bce080 /board/freescale/mx35pdk
parent5d20881eec7e25d453755a930cbee3ba441d9ec7 (diff)
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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>
Diffstat (limited to 'board/freescale/mx35pdk')
-rw-r--r--board/freescale/mx35pdk/mx35pdk.c25
1 files changed, 25 insertions, 0 deletions
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 @@ 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