/*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 2006 Berndt Walter. All rights reserved. * Copyright (c) 2006 M. Warner Losh. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ /* $FreeBSD$ */ #ifndef ARM_AT91_AT91_MCIREG_H #define ARM_AT91_AT91_MCIREG_H #define MMC_MAX 30 #define MCI_CR 0x00 /* MCI Control Register */ #define MCI_MR 0x04 /* MCI Mode Register */ #define MCI_DTOR 0x08 /* MCI Data Timeout Register */ #define MCI_SDCR 0x0c /* MCI SD Card Register */ #define MCI_ARGR 0x10 /* MCI Argument Register */ #define MCI_CMDR 0x14 /* MCI Command Register */ #ifdef __rtems__ #define MCI_BLKR 0x18 /* MCI Block Register */ #endif /* __rtems__ */ #define MCI_RSPR 0x20 /* MCI Response Registers - 4 of them */ #define MCI_RDR 0x30 /* MCI Receive Data Register */ #define MCI_TDR 0x34 /* MCI Transmit Data Register */ #define MCI_SR 0x40 /* MCI Status Register */ #define MCI_IER 0x44 /* MCI Interrupt Enable Register */ #define MCI_IDR 0x48 /* MCI Interrupt Disable Register */ #define MCI_IMR 0x4c /* MCI Interrupt Mask Register */ #ifdef __rtems__ #define MCI_DMA 0x50 /* MCI DMA Control Register */ #endif /* __rtems__ */ /* -------- MCI_CR : (MCI Offset: 0x0) MCI Control Register -------- */ #define MCI_CR_MCIEN (0x1u << 0) /* (MCI) Multimedia Interface Enable */ #define MCI_CR_MCIDIS (0x1u << 1) /* (MCI) Multimedia Interface Disable */ #define MCI_CR_PWSEN (0x1u << 2) /* (MCI) Power Save Mode Enable */ #define MCI_CR_PWSDIS (0x1u << 3) /* (MCI) Power Save Mode Disable */ #define MCI_CR_SWRST (0x1u << 7) /* (MCI) Software Reset */ /* -------- MCI_MR : (MCI Offset: 0x4) MCI Mode Register -------- */ #define MCI_MR_CLKDIV (0xffu << 0) /* (MCI) Clock Divider */ #define MCI_MR_PWSDIV (0x3fu << 8) /* (MCI) Power Saving Divider */ #define MCI_MR_RDPROOF (0x1u << 11) /* (MCI) Read Proof Enable */ #define MCI_MR_WRPROOF (0x1u << 12) /* (MCI) Write Proof Enable */ #define MCI_MR_PDCFBYTE (0x1u << 13) /* (MCI) PDC Force Byte Transfer */ #define MCI_MR_PDCPADV (0x1u << 14) /* (MCI) PDC Padding Value */ #define MCI_MR_PDCMODE (0x1u << 15) /* (MCI) PDC Oriented Mode */ #define MCI_MR_CLKODD (0x1u << 16) /* (MCI) Clock Divider is Odd */ #define MCI_MR_BLKLEN 0x3fff0000ul /* (MCI) Data Block Length */ /* -------- MCI_DTOR : (MCI Offset: 0x8) MCI Data Timeout Register -------- */ #define MCI_DTOR_DTOCYC (0xfu << 0) /* (MCI) Data Timeout Cycle Number */ #define MCI_DTOR_DTOMUL (0x7u << 4) /* (MCI) Data Timeout Multiplier */ #define MCI_DTOR_DTOMUL_1 (0x0u << 4) /* (MCI) DTOCYC x 1 */ #define MCI_DTOR_DTOMUL_16 (0x1u << 4) /* (MCI) DTOCYC x 16 */ #define MCI_DTOR_DTOMUL_128 (0x2u << 4) /* (MCI) DTOCYC x 128 */ #define MCI_DTOR_DTOMUL_256 (0x3u << 4) /* (MCI) DTOCYC x 256 */ #define MCI_DTOR_DTOMUL_1k (0x4u << 4) /* (MCI) DTOCYC x 1024 */ #define MCI_DTOR_DTOMUL_4k (0x5u << 4) /* (MCI) DTOCYC x 4096 */ #define MCI_DTOR_DTOMUL_64k (0x6u << 4) /* (MCI) DTOCYC x 65536 */ #define MCI_DTOR_DTOMUL_1M (0x7u << 4) /* (MCI) DTOCYC x 1048576 */ /* -------- MCI_SDCR : (MCI Offset: 0xc) MCI SD Card Register -------- */ #define MCI_SDCR_SDCSEL (0x1u << 0) /* (MCI) SD Card Selector */ #define MCI_SDCR_SDCBUS (0x1u << 7) /* (MCI) SD Card Bus Width */ /* -------- MCI_CMDR : (MCI Offset: 0x14) MCI Command Register -------- */ #define MCI_CMDR_CMDNB (0x1Fu << 0) /* (MCI) Command Number */ #define MCI_CMDR_RSPTYP (0x3u << 6) /* (MCI) Response Type */ #define MCI_CMDR_RSPTYP_NO (0x0u << 6) /* (MCI) No response */ #define MCI_CMDR_RSPTYP_48 (0x1u << 6) /* (MCI) 48-bit response */ #define MCI_CMDR_RSPTYP_136 (0x2u << 6) /* (MCI) 136-bit response */ #define MCI_CMDR_SPCMD (0x7u << 8) /* (MCI) Special CMD */ #define MCI_CMDR_SPCMD_NONE (0x0u << 8) /* (MCI) Not a special CMD */ #define MCI_CMDR_SPCMD_INIT (0x1u << 8) /* (MCI) Initialization CMD */ #define MCI_CMDR_SPCMD_SYNC (0x2u << 8) /* (MCI) Synchronized CMD */ #define MCI_CMDR_SPCMD_IT_CMD (0x4u << 8) /* (MCI) Interrupt command */ #define MCI_CMDR_SPCMD_IT_REP (0x5u << 8) /* (MCI) Interrupt response */ #define MCI_CMDR_OPDCMD (0x1u << 11) /* (MCI) Open Drain Command */ #define MCI_CMDR_MAXLAT (0x1u << 12) /* (MCI) Maximum Latency for Command to respond */ #define MCI_CMDR_TRCMD (0x3u << 16) /* (MCI) Transfer CMD */ #define MCI_CMDR_TRCMD_NO (0x0u << 16) /* (MCI) No transfer */ #define MCI_CMDR_TRCMD_START (0x1u << 16) /* (MCI) Start transfer */ #define MCI_CMDR_TRCMD_STOP (0x2u << 16) /* (MCI) Stop transfer */ #define MCI_CMDR_TRDIR (0x1u << 18) /* (MCI) Transfer Direction */ #define MCI_CMDR_TRTYP (0x3u << 19) /* (MCI) Transfer Type */ #define MCI_CMDR_TRTYP_BLOCK (0x0u << 19) /* (MCI) Block Transfer type */ #define MCI_CMDR_TRTYP_MULTIPLE (0x1u << 19) /* (MCI) Multiple Block transfer type */ #define MCI_CMDR_TRTYP_STREAM (0x2u << 19) /* (MCI) Stream transfer type */ #ifdef __rtems__ /* -------- MCI_BLKR : (MCI Offset: 0x18) MCI Block Register -------- */ #define MCI_BLKR_BCNT (0xFFFFu << 0) #define MCI_BLKR_BLKLEN (0xFFFFu << 16) #endif /* __rtems__ */ /* -------- MCI_SR : (MCI Offset: 0x40) MCI Status Register -------- */ #define MCI_SR_CMDRDY (0x1u << 0) /* (MCI) Command Ready flag */ #define MCI_SR_RXRDY (0x1u << 1) /* (MCI) RX Ready flag */ #define MCI_SR_TXRDY (0x1u << 2) /* (MCI) TX Ready flag */ #define MCI_SR_BLKE (0x1u << 3) /* (MCI) Data Block Transfer Ended flag */ #define MCI_SR_DTIP (0x1u << 4) /* (MCI) Data Transfer in Progress flag */ #define MCI_SR_NOTBUSY (0x1u << 5) /* (MCI) Data Line Not Busy flag */ #define MCI_SR_ENDRX (0x1u << 6) /* (MCI) End of RX Buffer flag */ #define MCI_SR_ENDTX (0x1u << 7) /* (MCI) End of TX Buffer flag */ #define MCI_SR_RXBUFF (0x1u << 14) /* (MCI) RX Buffer Full flag */ #define MCI_SR_TXBUFE (0x1u << 15) /* (MCI) TX Buffer Empty flag */ #define MCI_SR_RINDE (0x1u << 16) /* (MCI) Response Index Error flag */ #define MCI_SR_RDIRE (0x1u << 17) /* (MCI) Response Direction Error flag */ #define MCI_SR_RCRCE (0x1u << 18) /* (MCI) Response CRC Error flag */ #define MCI_SR_RENDE (0x1u << 19) /* (MCI) Response End Bit Error flag */ #define MCI_SR_RTOE (0x1u << 20) /* (MCI) Response Time-out Error flag */ #define MCI_SR_DCRCE (0x1u << 21) /* (MCI) data CRC Error flag */ #define MCI_SR_DTOE (0x1u << 22) /* (MCI) Data timeout Error flag */ #define MCI_SR_OVRE (0x1u << 30) /* (MCI) Overrun flag */ #define MCI_SR_UNRE (0x1u << 31) /* (MCI) Underrun flag */ #ifdef __rtems__ #define MCI_SR_XFRDONE (0x1u << 27) /* (MCI) Underrun flag */ #endif /* __rtems__ */ #ifdef __rtems__ /* -------- MCI_DMA : (MCI Offset: 0x50) MCI DMA Control Register -------- */ #define MCI_DMA_DMAEN (0x1u << 8) #define MCI_DMA_CHKSIZE (0x7u << 4) #define MCI_DMA_CHKSIZE_1 (0x0u << 4) #define MCI_DMA_CHKSIZE_2 (0x1u << 4) #define MCI_DMA_CHKSIZE_4 (0x2u << 4) #define MCI_DMA_CHKSIZE_8 (0x3u << 4) #define MCI_DMA_CHKSIZE_16 (0x4u << 4) #endif /* __rtems__ */ /* TXRDY,DTIP,ENDTX,TXBUFE,RTOE */ #define MCI_SR_BITSTRING \ "\020" \ "\001CMDRDY" \ "\002RXRDY" \ "\003TXRDY" \ "\004BLKE" \ "\005DTIP" \ "\006NOTBUSY" \ "\007ENDRX" \ "\010ENDTX" \ "\017RXBUFF" \ "\020TXBUFE" \ "\021RINDE" \ "\022RDIRE" \ "\023RCRCE" \ "\024RENDE" \ "\025RTOE" \ "\026DCRCE" \ "\027DTOE" \ "\037OVRE" \ "\040UNRE" /* -------- MCI_IER : (MCI Offset: 0x44) MCI Interrupt Enable Register -------- */ /* -------- MCI_IDR : (MCI Offset: 0x48) MCI Interrupt Disable Register -------- */ /* -------- MCI_IMR : (MCI Offset: 0x4c) MCI Interrupt Mask Register -------- */ #define MCI_SR_ERROR (MCI_SR_UNRE | MCI_SR_OVRE | MCI_SR_DTOE | \ MCI_SR_DCRCE | MCI_SR_RTOE | MCI_SR_RENDE | \ MCI_SR_RCRCE | MCI_SR_RDIRE | MCI_SR_RINDE) #define AT91C_BUS_WIDTH_1BIT 0x00 #define AT91C_BUS_WIDTH_4BITS 0x02 #endif /* ARM_AT91_AT91_MCIREG_H */