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-rw-r--r--include/asm-arm/global_data.h3
-rw-r--r--include/fsl_esdhc.h27
2 files changed, 30 insertions, 0 deletions
diff --git a/include/asm-arm/global_data.h b/include/asm-arm/global_data.h
index 8115a24..02cfe45 100644
--- a/include/asm-arm/global_data.h
+++ b/include/asm-arm/global_data.h
@@ -44,6 +44,9 @@ typedef struct global_data {
#ifdef CONFIG_VFD
unsigned char vfd_type; /* display type */
#endif
+#ifdef CONFIG_FSL_ESDHC
+ unsigned long sdhc_clk;
+#endif
#if 0
unsigned long cpu_clk; /* CPU clock in Hz! */
unsigned long bus_clk;
diff --git a/include/fsl_esdhc.h b/include/fsl_esdhc.h
index eac6a2b..01b7dec 100644
--- a/include/fsl_esdhc.h
+++ b/include/fsl_esdhc.h
@@ -27,12 +27,15 @@
#define __FSL_ESDHC_H__
#include <asm/errno.h>
+#include <asm/byteorder.h>
/* FSL eSDHC-specific constants */
#define SYSCTL 0x0002e02c
#define SYSCTL_INITA 0x08000000
#define SYSCTL_TIMEOUT_MASK 0x000f0000
#define SYSCTL_CLOCK_MASK 0x0000fff0
+#define SYSCTL_RSTA 0x01000000
+#define SYSCTL_CKEN 0x00000008
#define SYSCTL_PEREN 0x00000004
#define SYSCTL_HCKEN 0x00000002
#define SYSCTL_IPGEN 0x00000001
@@ -142,8 +145,32 @@
#define ESDHC_HOSTCAPBLT_DMAS 0x00400000
#define ESDHC_HOSTCAPBLT_HSS 0x00200000
+struct fsl_esdhc_cfg {
+ u32 esdhc_base;
+ u32 no_snoop;
+ u32 clk_enable;
+};
+
+/* Select the correct accessors depending on endianess */
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+#define esdhc_read32 in_le32
+#define esdhc_write32 out_le32
+#define esdhc_clrsetbits32 clrsetbits_le32
+#define esdhc_clrbits32 clrbits_le32
+#define esdhc_setbits32 setbits_le32
+#elif __BYTE_ORDER == __BIG_ENDIAN
+#define esdhc_read32 in_be32
+#define esdhc_write32 out_be32
+#define esdhc_clrsetbits32 clrsetbits_be32
+#define esdhc_clrbits32 clrbits_be32
+#define esdhc_setbits32 setbits_be32
+#else
+#error "Endianess is not defined: please fix to continue"
+#endif
+
#ifdef CONFIG_FSL_ESDHC
int fsl_esdhc_mmc_init(bd_t *bis);
+int fsl_esdhc_initialize(bd_t *bis, struct fsl_esdhc_cfg *cfg);
void fdt_fixup_esdhc(void *blob, bd_t *bd);
#else
static inline int fsl_esdhc_mmc_init(bd_t *bis) { return -ENOSYS; }