sh: prepare MMCIF driver header file

Update the MMCIF driver to include register information
and register access functions in the header file.
The MMCIF boot code builds on top of this.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 32 insertions, 0 deletions

diff --git a/include/linux/mmc/sh_mmcif.h b/include/linux/mmc/sh_mmcif.h
index aafe832f18aa..e079c6beeb98 100644
--- a/include/linux/mmc/sh_mmcif.h
+++ b/include/linux/mmc/sh_mmcif.h
@@ -14,6 +14,9 @@
 #ifndef __SH_MMCIF_H__
 #define __SH_MMCIF_H__
 
+#include <linux/platform_device.h>
+#include <linux/io.h>
+
 /*
  * MMCIF : CE_CLK_CTRL [19:16]
  * 1000 : Peripheral clock / 512
@@ -36,4 +39,33 @@ struct sh_mmcif_plat_data {
         u32     ocr;
 };
 
+#define MMCIF_CE_CMD_SET        0x00000000
+#define MMCIF_CE_ARG            0x00000008
+#define MMCIF_CE_ARG_CMD12      0x0000000C
+#define MMCIF_CE_CMD_CTRL       0x00000010
+#define MMCIF_CE_BLOCK_SET      0x00000014
+#define MMCIF_CE_CLK_CTRL       0x00000018
+#define MMCIF_CE_BUF_ACC        0x0000001C
+#define MMCIF_CE_RESP3          0x00000020
+#define MMCIF_CE_RESP2          0x00000024
+#define MMCIF_CE_RESP1          0x00000028
+#define MMCIF_CE_RESP0          0x0000002C
+#define MMCIF_CE_RESP_CMD12     0x00000030
+#define MMCIF_CE_DATA           0x00000034
+#define MMCIF_CE_INT            0x00000040
+#define MMCIF_CE_INT_MASK       0x00000044
+#define MMCIF_CE_HOST_STS1      0x00000048
+#define MMCIF_CE_HOST_STS2      0x0000004C
+#define MMCIF_CE_VERSION        0x0000007C
+
+extern inline u32 sh_mmcif_readl(void __iomem *addr, int reg)
+{
+        return readl(addr + reg);
+}
+
+extern inline void sh_mmcif_writel(void __iomem *addr, int reg, u32 val)
+{
+        writel(val, addr + reg);
+}
+
 #endif /* __SH_MMCIF_H__ */