| /* |
| * Atmel MultiMedia Card Interface driver |
| * |
| * Copyright (C) 2004-2006 Atmel Corporation |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| */ |
| #ifndef __DRIVERS_MMC_ATMEL_MCI_H__ |
| #define __DRIVERS_MMC_ATMEL_MCI_H__ |
| |
| /* MCI Register Definitions */ |
| #define MCI_CR 0x0000 /* Control */ |
| # define MCI_CR_MCIEN ( 1 << 0) /* MCI Enable */ |
| # define MCI_CR_MCIDIS ( 1 << 1) /* MCI Disable */ |
| # define MCI_CR_SWRST ( 1 << 7) /* Software Reset */ |
| #define MCI_MR 0x0004 /* Mode */ |
| # define MCI_MR_CLKDIV(x) ((x) << 0) /* Clock Divider */ |
| # define MCI_MR_RDPROOF ( 1 << 11) /* Read Proof */ |
| # define MCI_MR_WRPROOF ( 1 << 12) /* Write Proof */ |
| #define MCI_DTOR 0x0008 /* Data Timeout */ |
| # define MCI_DTOCYC(x) ((x) << 0) /* Data Timeout Cycles */ |
| # define MCI_DTOMUL(x) ((x) << 4) /* Data Timeout Multiplier */ |
| #define MCI_SDCR 0x000c /* SD Card / SDIO */ |
| # define MCI_SDCSEL_SLOT_A ( 0 << 0) /* Select SD slot A */ |
| # define MCI_SDCSEL_SLOT_B ( 1 << 0) /* Select SD slot A */ |
| # define MCI_SDCSEL_MASK ( 3 << 0) |
| # define MCI_SDCBUS_1BIT ( 0 << 6) /* 1-bit data bus */ |
| # define MCI_SDCBUS_4BIT ( 2 << 6) /* 4-bit data bus */ |
| # define MCI_SDCBUS_MASK ( 3 << 6) |
| #define MCI_ARGR 0x0010 /* Command Argument */ |
| #define MCI_CMDR 0x0014 /* Command */ |
| # define MCI_CMDR_CMDNB(x) ((x) << 0) /* Command Opcode */ |
| # define MCI_CMDR_RSPTYP_NONE ( 0 << 6) /* No response */ |
| # define MCI_CMDR_RSPTYP_48BIT ( 1 << 6) /* 48-bit response */ |
| # define MCI_CMDR_RSPTYP_136BIT ( 2 << 6) /* 136-bit response */ |
| # define MCI_CMDR_SPCMD_INIT ( 1 << 8) /* Initialization command */ |
| # define MCI_CMDR_SPCMD_SYNC ( 2 << 8) /* Synchronized command */ |
| # define MCI_CMDR_SPCMD_INT ( 4 << 8) /* Interrupt command */ |
| # define MCI_CMDR_SPCMD_INTRESP ( 5 << 8) /* Interrupt response */ |
| # define MCI_CMDR_OPDCMD ( 1 << 11) /* Open Drain */ |
| # define MCI_CMDR_MAXLAT_5CYC ( 0 << 12) /* Max latency 5 cycles */ |
| # define MCI_CMDR_MAXLAT_64CYC ( 1 << 12) /* Max latency 64 cycles */ |
| # define MCI_CMDR_START_XFER ( 1 << 16) /* Start data transfer */ |
| # define MCI_CMDR_STOP_XFER ( 2 << 16) /* Stop data transfer */ |
| # define MCI_CMDR_TRDIR_WRITE ( 0 << 18) /* Write data */ |
| # define MCI_CMDR_TRDIR_READ ( 1 << 18) /* Read data */ |
| # define MCI_CMDR_BLOCK ( 0 << 19) /* Single-block transfer */ |
| # define MCI_CMDR_MULTI_BLOCK ( 1 << 19) /* Multi-block transfer */ |
| # define MCI_CMDR_STREAM ( 2 << 19) /* MMC Stream transfer */ |
| # define MCI_CMDR_SDIO_BYTE ( 4 << 19) /* SDIO Byte transfer */ |
| # define MCI_CMDR_SDIO_BLOCK ( 5 << 19) /* SDIO Block transfer */ |
| # define MCI_CMDR_SDIO_SUSPEND ( 1 << 24) /* SDIO Suspend Command */ |
| # define MCI_CMDR_SDIO_RESUME ( 2 << 24) /* SDIO Resume Command */ |
| #define MCI_BLKR 0x0018 /* Block */ |
| # define MCI_BCNT(x) ((x) << 0) /* Data Block Count */ |
| # define MCI_BLKLEN(x) ((x) << 16) /* Data Block Length */ |
| #define MCI_RSPR 0x0020 /* Response 0 */ |
| #define MCI_RSPR1 0x0024 /* Response 1 */ |
| #define MCI_RSPR2 0x0028 /* Response 2 */ |
| #define MCI_RSPR3 0x002c /* Response 3 */ |
| #define MCI_RDR 0x0030 /* Receive Data */ |
| #define MCI_TDR 0x0034 /* Transmit Data */ |
| #define MCI_SR 0x0040 /* Status */ |
| #define MCI_IER 0x0044 /* Interrupt Enable */ |
| #define MCI_IDR 0x0048 /* Interrupt Disable */ |
| #define MCI_IMR 0x004c /* Interrupt Mask */ |
| # define MCI_CMDRDY ( 1 << 0) /* Command Ready */ |
| # define MCI_RXRDY ( 1 << 1) /* Receiver Ready */ |
| # define MCI_TXRDY ( 1 << 2) /* Transmitter Ready */ |
| # define MCI_BLKE ( 1 << 3) /* Data Block Ended */ |
| # define MCI_DTIP ( 1 << 4) /* Data Transfer In Progress */ |
| # define MCI_NOTBUSY ( 1 << 5) /* Data Not Busy */ |
| # define MCI_SDIOIRQA ( 1 << 8) /* SDIO IRQ in slot A */ |
| # define MCI_SDIOIRQB ( 1 << 9) /* SDIO IRQ in slot B */ |
| # define MCI_RINDE ( 1 << 16) /* Response Index Error */ |
| # define MCI_RDIRE ( 1 << 17) /* Response Direction Error */ |
| # define MCI_RCRCE ( 1 << 18) /* Response CRC Error */ |
| # define MCI_RENDE ( 1 << 19) /* Response End Bit Error */ |
| # define MCI_RTOE ( 1 << 20) /* Response Time-Out Error */ |
| # define MCI_DCRCE ( 1 << 21) /* Data CRC Error */ |
| # define MCI_DTOE ( 1 << 22) /* Data Time-Out Error */ |
| # define MCI_OVRE ( 1 << 30) /* RX Overrun Error */ |
| # define MCI_UNRE ( 1 << 31) /* TX Underrun Error */ |
| |
| #define MCI_REGS_SIZE 0x100 |
| |
| /* Register access macros */ |
| #define mci_readl(port,reg) \ |
| __raw_readl((port)->regs + MCI_##reg) |
| #define mci_writel(port,reg,value) \ |
| __raw_writel((value), (port)->regs + MCI_##reg) |
| |
| #endif /* __DRIVERS_MMC_ATMEL_MCI_H__ */ |