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Commit 730c9b7e authored by Carlos Aguiar's avatar Carlos Aguiar Committed by Russell King
Browse files

[MMC] Add OMAP MMC host driver 



Adds OMAP MMC driver.

Signed-off-by: default avatarJuha Yrjl <juha.yrjola@nokia.com>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
Signed-off-by: default avatarCarlos Aguiar <carlos.aguiar@indt.org.br>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 224b148e

drivers/mmc/Kconfig

+11 −0
Original line number Original line Diff line number Diff line
@@ -60,6 +60,17 @@ config MMC_SDHCI 




	  If unsure, say N.

	  If unsure, say N.





config MMC_OMAP

	tristate "TI OMAP Multimedia Card Interface support"

	depends on ARCH_OMAP && MMC

	select TPS65010 if MACH_OMAP_H2

	help

	  This selects the TI OMAP Multimedia card Interface.

	  If you have an OMAP board with a Multimedia Card slot,

	  say Y or M here.



	  If unsure, say N.



config MMC_WBSD

config MMC_WBSD

	tristate "Winbond W83L51xD SD/MMC Card Interface support"

	tristate "Winbond W83L51xD SD/MMC Card Interface support"

	depends on MMC && ISA_DMA_API

	depends on MMC && ISA_DMA_API

drivers/mmc/Makefile

+1 −0
Original line number Original line Diff line number Diff line
@@ -20,5 +20,6 @@ obj-$(CONFIG_MMC_PXA) += pxamci.o 
obj-$(CONFIG_MMC_SDHCI)		+= sdhci.o

obj-$(CONFIG_MMC_SDHCI)		+= sdhci.o

obj-$(CONFIG_MMC_WBSD)		+= wbsd.o

obj-$(CONFIG_MMC_WBSD)		+= wbsd.o

obj-$(CONFIG_MMC_AU1X)		+= au1xmmc.o

obj-$(CONFIG_MMC_AU1X)		+= au1xmmc.o

obj-$(CONFIG_MMC_OMAP)		+= omap.o





mmc_core-y := mmc.o mmc_queue.o mmc_sysfs.o
 
mmc_core-y := mmc.o mmc_queue.o mmc_sysfs.o

drivers/mmc/omap.c

0 → 100644
+1231 −0

File added.

Preview size limit exceeded, changes collapsed.

drivers/mmc/omap.h

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#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