[MMC] Add OMAP MMC host driver

Adds OMAP MMC driver.

Signed-off-by: Juha Yrjölä <juha.yrjola@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Carlos Aguiar <carlos.aguiar@indt.org.br>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 55 insertions, 0 deletions

diff --git a/drivers/mmc/omap.h b/drivers/mmc/omap.h
new file mode 100644
index 00000000000..c954d355a5e
--- /dev/null
+++ b/drivers/mmc/omap.h
@@ -0,0 +1,55 @@
+#ifndef DRIVERS_MEDIA_MMC_OMAP_H
+#define DRIVERS_MEDIA_MMC_OMAP_H
+
+#define OMAP_MMC_REG_CMD        0x00
+#define OMAP_MMC_REG_ARGL       0x04
+#define OMAP_MMC_REG_ARGH       0x08
+#define OMAP_MMC_REG_CON        0x0c
+#define OMAP_MMC_REG_STAT       0x10
+#define OMAP_MMC_REG_IE         0x14
+#define OMAP_MMC_REG_CTO        0x18
+#define OMAP_MMC_REG_DTO        0x1c
+#define OMAP_MMC_REG_DATA       0x20
+#define OMAP_MMC_REG_BLEN       0x24
+#define OMAP_MMC_REG_NBLK       0x28
+#define OMAP_MMC_REG_BUF        0x2c
+#define OMAP_MMC_REG_SDIO       0x34
+#define OMAP_MMC_REG_REV        0x3c
+#define OMAP_MMC_REG_RSP0       0x40
+#define OMAP_MMC_REG_RSP1       0x44
+#define OMAP_MMC_REG_RSP2       0x48
+#define OMAP_MMC_REG_RSP3       0x4c
+#define OMAP_MMC_REG_RSP4       0x50
+#define OMAP_MMC_REG_RSP5       0x54
+#define OMAP_MMC_REG_RSP6       0x58
+#define OMAP_MMC_REG_RSP7       0x5c
+#define OMAP_MMC_REG_IOSR       0x60
+#define OMAP_MMC_REG_SYSC       0x64
+#define OMAP_MMC_REG_SYSS       0x68
+
+#define OMAP_MMC_STAT_CARD_ERR          (1 << 14)
+#define OMAP_MMC_STAT_CARD_IRQ          (1 << 13)
+#define OMAP_MMC_STAT_OCR_BUSY          (1 << 12)
+#define OMAP_MMC_STAT_A_EMPTY           (1 << 11)
+#define OMAP_MMC_STAT_A_FULL            (1 << 10)
+#define OMAP_MMC_STAT_CMD_CRC           (1 <<  8)
+#define OMAP_MMC_STAT_CMD_TOUT          (1 <<  7)
+#define OMAP_MMC_STAT_DATA_CRC          (1 <<  6)
+#define OMAP_MMC_STAT_DATA_TOUT         (1 <<  5)
+#define OMAP_MMC_STAT_END_BUSY          (1 <<  4)
+#define OMAP_MMC_STAT_END_OF_DATA       (1 <<  3)
+#define OMAP_MMC_STAT_CARD_BUSY         (1 <<  2)
+#define OMAP_MMC_STAT_END_OF_CMD        (1 <<  0)
+
+#define OMAP_MMC_READ(base, reg)        __raw_readw((base) + OMAP_MMC_REG_##reg)
+#define OMAP_MMC_WRITE(base, reg, val)  __raw_writew((val), (base) + OMAP_MMC_REG_##reg)
+
+/*
+ * Command types
+ */
+#define OMAP_MMC_CMDTYPE_BC     0
+#define OMAP_MMC_CMDTYPE_BCR    1
+#define OMAP_MMC_CMDTYPE_AC     2
+#define OMAP_MMC_CMDTYPE_ADTC   3
+
+#endif