|  | /* | 
|  | * drivers/mmc/host/at91_mci.h | 
|  | * | 
|  | * Copyright (C) 2005 Ivan Kokshaysky | 
|  | * Copyright (C) SAN People | 
|  | * | 
|  | * MultiMedia Card Interface (MCI) registers. | 
|  | * Based on AT91RM9200 datasheet revision F. | 
|  | * | 
|  | * This program is free software; you can redistribute it and/or modify | 
|  | * it under the terms of the GNU General Public License as published by | 
|  | * the Free Software Foundation; either version 2 of the License, or | 
|  | * (at your option) any later version. | 
|  | */ | 
|  |  | 
|  | #ifndef AT91_MCI_H | 
|  | #define AT91_MCI_H | 
|  |  | 
|  | #define AT91_MCI_CR		0x00		/* Control Register */ | 
|  | #define		AT91_MCI_MCIEN		(1 <<  0)	/* Multi-Media Interface Enable */ | 
|  | #define		AT91_MCI_MCIDIS		(1 <<  1)	/* Multi-Media Interface Disable */ | 
|  | #define		AT91_MCI_PWSEN		(1 <<  2)	/* Power Save Mode Enable */ | 
|  | #define		AT91_MCI_PWSDIS		(1 <<  3)	/* Power Save Mode Disable */ | 
|  | #define		AT91_MCI_SWRST		(1 <<  7)	/* Software Reset */ | 
|  |  | 
|  | #define AT91_MCI_MR		0x04		/* Mode Register */ | 
|  | #define		AT91_MCI_CLKDIV		(0xff  <<  0)	/* Clock Divider */ | 
|  | #define		AT91_MCI_PWSDIV		(7     <<  8)	/* Power Saving Divider */ | 
|  | #define		AT91_MCI_RDPROOF	(1     << 11)	/* Read Proof Enable [SAM926[03] only] */ | 
|  | #define		AT91_MCI_WRPROOF	(1     << 12)	/* Write Proof Enable [SAM926[03] only] */ | 
|  | #define		AT91_MCI_PDCFBYTE	(1     << 13)	/* PDC Force Byte Transfer [SAM926[03] only] */ | 
|  | #define		AT91_MCI_PDCPADV	(1     << 14)	/* PDC Padding Value */ | 
|  | #define		AT91_MCI_PDCMODE	(1     << 15)	/* PDC-orientated Mode */ | 
|  | #define		AT91_MCI_BLKLEN		(0xfff << 18)	/* Data Block Length */ | 
|  |  | 
|  | #define AT91_MCI_DTOR		0x08		/* Data Timeout Register */ | 
|  | #define		AT91_MCI_DTOCYC		(0xf << 0)	/* Data Timeout Cycle Number */ | 
|  | #define		AT91_MCI_DTOMUL		(7   << 4)	/* Data Timeout Multiplier */ | 
|  | #define		AT91_MCI_DTOMUL_1		(0 <<  4) | 
|  | #define		AT91_MCI_DTOMUL_16		(1 <<  4) | 
|  | #define		AT91_MCI_DTOMUL_128		(2 <<  4) | 
|  | #define		AT91_MCI_DTOMUL_256		(3 <<  4) | 
|  | #define		AT91_MCI_DTOMUL_1K		(4 <<  4) | 
|  | #define		AT91_MCI_DTOMUL_4K		(5 <<  4) | 
|  | #define		AT91_MCI_DTOMUL_64K		(6 <<  4) | 
|  | #define		AT91_MCI_DTOMUL_1M		(7 <<  4) | 
|  |  | 
|  | #define AT91_MCI_SDCR		0x0c		/* SD Card Register */ | 
|  | #define		AT91_MCI_SDCSEL		(3 << 0)	/* SD Card Selector */ | 
|  | #define		AT91_MCI_SDCBUS		(1 << 7)	/* 1-bit or 4-bit bus */ | 
|  |  | 
|  | #define AT91_MCI_ARGR		0x10		/* Argument Register */ | 
|  |  | 
|  | #define AT91_MCI_CMDR		0x14		/* Command Register */ | 
|  | #define		AT91_MCI_CMDNB		(0x3f << 0)	/* Command Number */ | 
|  | #define		AT91_MCI_RSPTYP		(3    << 6)	/* Response Type */ | 
|  | #define			AT91_MCI_RSPTYP_NONE	(0 <<  6) | 
|  | #define			AT91_MCI_RSPTYP_48	(1 <<  6) | 
|  | #define			AT91_MCI_RSPTYP_136	(2 <<  6) | 
|  | #define		AT91_MCI_SPCMD		(7    << 8)	/* Special Command */ | 
|  | #define			AT91_MCI_SPCMD_NONE	(0 <<  8) | 
|  | #define			AT91_MCI_SPCMD_INIT	(1 <<  8) | 
|  | #define			AT91_MCI_SPCMD_SYNC	(2 <<  8) | 
|  | #define			AT91_MCI_SPCMD_ICMD	(4 <<  8) | 
|  | #define			AT91_MCI_SPCMD_IRESP	(5 <<  8) | 
|  | #define		AT91_MCI_OPDCMD		(1 << 11)	/* Open Drain Command */ | 
|  | #define		AT91_MCI_MAXLAT		(1 << 12)	/* Max Latency for Command to Response */ | 
|  | #define		AT91_MCI_TRCMD		(3 << 16)	/* Transfer Command */ | 
|  | #define			AT91_MCI_TRCMD_NONE	(0 << 16) | 
|  | #define			AT91_MCI_TRCMD_START	(1 << 16) | 
|  | #define			AT91_MCI_TRCMD_STOP	(2 << 16) | 
|  | #define		AT91_MCI_TRDIR		(1 << 18)	/* Transfer Direction */ | 
|  | #define		AT91_MCI_TRTYP		(3 << 19)	/* Transfer Type */ | 
|  | #define			AT91_MCI_TRTYP_BLOCK	(0 << 19) | 
|  | #define			AT91_MCI_TRTYP_MULTIPLE	(1 << 19) | 
|  | #define			AT91_MCI_TRTYP_STREAM	(2 << 19) | 
|  | #define			AT91_MCI_TRTYP_SDIO_BYTE	(4 << 19) | 
|  | #define			AT91_MCI_TRTYP_SDIO_BLOCK	(5 << 19) | 
|  |  | 
|  | #define AT91_MCI_BLKR		0x18		/* Block Register */ | 
|  | #define		AT91_MCI_BLKR_BCNT(n)	((0xffff & (n)) << 0)	/* Block count */ | 
|  | #define		AT91_MCI_BLKR_BLKLEN(n)	((0xffff & (n)) << 16)	/* Block length */ | 
|  |  | 
|  | #define AT91_MCI_RSPR(n)	(0x20 + ((n) * 4))	/* Response Registers 0-3 */ | 
|  | #define AT91_MCR_RDR		0x30		/* Receive Data Register */ | 
|  | #define AT91_MCR_TDR		0x34		/* Transmit Data Register */ | 
|  |  | 
|  | #define AT91_MCI_SR		0x40		/* Status Register */ | 
|  | #define		AT91_MCI_CMDRDY		(1 <<  0)	/* Command Ready */ | 
|  | #define		AT91_MCI_RXRDY		(1 <<  1)	/* Receiver Ready */ | 
|  | #define		AT91_MCI_TXRDY		(1 <<  2)	/* Transmit Ready */ | 
|  | #define		AT91_MCI_BLKE		(1 <<  3)	/* Data Block Ended */ | 
|  | #define		AT91_MCI_DTIP		(1 <<  4)	/* Data Transfer in Progress */ | 
|  | #define		AT91_MCI_NOTBUSY	(1 <<  5)	/* Data Not Busy */ | 
|  | #define		AT91_MCI_ENDRX		(1 <<  6)	/* End of RX Buffer */ | 
|  | #define		AT91_MCI_ENDTX		(1 <<  7)	/* End fo TX Buffer */ | 
|  | #define		AT91_MCI_SDIOIRQA	(1 <<  8)	/* SDIO Interrupt for Slot A */ | 
|  | #define		AT91_MCI_SDIOIRQB	(1 <<  9)	/* SDIO Interrupt for Slot B */ | 
|  | #define		AT91_MCI_RXBUFF		(1 << 14)	/* RX Buffer Full */ | 
|  | #define		AT91_MCI_TXBUFE		(1 << 15)	/* TX Buffer Empty */ | 
|  | #define		AT91_MCI_RINDE		(1 << 16)	/* Response Index Error */ | 
|  | #define		AT91_MCI_RDIRE		(1 << 17)	/* Response Direction Error */ | 
|  | #define		AT91_MCI_RCRCE		(1 << 18)	/* Response CRC Error */ | 
|  | #define		AT91_MCI_RENDE		(1 << 19)	/* Response End Bit Error */ | 
|  | #define		AT91_MCI_RTOE		(1 << 20)	/* Response Time-out Error */ | 
|  | #define		AT91_MCI_DCRCE		(1 << 21)	/* Data CRC Error */ | 
|  | #define		AT91_MCI_DTOE		(1 << 22)	/* Data Time-out Error */ | 
|  | #define		AT91_MCI_OVRE		(1 << 30)	/* Overrun */ | 
|  | #define		AT91_MCI_UNRE		(1 << 31)	/* Underrun */ | 
|  |  | 
|  | #define AT91_MCI_IER		0x44		/* Interrupt Enable Register */ | 
|  | #define AT91_MCI_IDR		0x48		/* Interrupt Disable Register */ | 
|  | #define AT91_MCI_IMR		0x4c		/* Interrupt Mask Register */ | 
|  |  | 
|  | #endif |