1/*-
2 * Copyright (c) 2006 Berndt Walter.  All rights reserved.
3 * Copyright (c) 2006 M. Warner Losh.  All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27/* $FreeBSD$ */
28
29#ifndef ARM_AT91_AT91_MCIREG_H
30#define ARM_AT91_AT91_MCIREG_H
31
32#define MMC_MAX		30
33
34#define MCI_CR 		0x00 	/* MCI Control Register */
35#define MCI_MR		0x04 	/* MCI Mode Register */
36#define MCI_DTOR	0x08 	/* MCI Data Timeout Register */
37#define MCI_SDCR	0x0c 	/* MCI SD Card Register */
38#define MCI_ARGR	0x10 	/* MCI Argument Register */
39#define MCI_CMDR	0x14 	/* MCI Command Register */
40#define MCI_RSPR	0x20 	/* MCI Response Registers - 4 of them */
41#define MCI_RDR		0x30 	/* MCI Receive Data Register */
42#define MCI_TDR		0x34 	/* MCI Transmit Data Register */
43#define MCI_SR		0x40 	/* MCI Status Register */
44#define MCI_IER		0x44 	/* MCI Interrupt Enable Register */
45#define MCI_IDR		0x48 	/* MCI Interrupt Disable Register */
46#define MCI_IMR		0x4c 	/* MCI Interrupt Mask Register */
47
48/* -------- MCI_CR : (MCI Offset: 0x0) MCI Control Register --------  */
49#define	MCI_CR_MCIEN       (0x1u <<  0) /* (MCI) Multimedia Interface Enable */
50#define	MCI_CR_MCIDIS      (0x1u <<  1) /* (MCI) Multimedia Interface Disable */
51#define	MCI_CR_PWSEN       (0x1u <<  2) /* (MCI) Power Save Mode Enable */
52#define	MCI_CR_PWSDIS      (0x1u <<  3) /* (MCI) Power Save Mode Disable */
53#define	MCI_CR_SWRST      (0x1u <<  7) /* (MCI) Software Reset */
54/* -------- MCI_MR : (MCI Offset: 0x4) MCI Mode Register --------  */
55#define	MCI_MR_CLKDIV      (0xffu <<  0) /* (MCI) Clock Divider */
56#define	MCI_MR_PWSDIV      (0x3fu <<  8) /* (MCI) Power Saving Divider */
57#define	MCI_MR_RDPROOF	(0x1u << 11)	/* (MCI) Read Proof Enable */
58#define	MCI_MR_WRPROOF	(0x1u << 12)	/* (MCI) Write Proof Enable */
59#define	MCI_MR_PDCFBYTE	(0x1u << 13)	/* (MCI) PDC Force Byte Transfer */
60#define	MCI_MR_PDCPADV     (0x1u << 14) /* (MCI) PDC Padding Value */
61#define	MCI_MR_PDCMODE     (0x1u << 15) /* (MCI) PDC Oriented Mode */
62#define	MCI_MR_BLKLEN      0x3fff0000ul /* (MCI) Data Block Length */
63/* -------- MCI_DTOR : (MCI Offset: 0x8) MCI Data Timeout Register --------  */
64#define	MCI_DTOR_DTOCYC      (0xfu <<  0) /* (MCI) Data Timeout Cycle Number */
65#define	MCI_DTOR_DTOMUL      (0x7u <<  4) /* (MCI) Data Timeout Multiplier */
66#define		MCI_DTOR_DTOMUL_1                    (0x0u <<  4) /* (MCI) DTOCYC x 1 */
67#define		MCI_DTOR_DTOMUL_16                   (0x1u <<  4) /* (MCI) DTOCYC x 16 */
68#define		MCI_DTOR_DTOMUL_128                  (0x2u <<  4) /* (MCI) DTOCYC x 128 */
69#define		MCI_DTOR_DTOMUL_256                  (0x3u <<  4) /* (MCI) DTOCYC x 256 */
70#define		MCI_DTOR_DTOMUL_1k                   (0x4u <<  4) /* (MCI) DTOCYC x 1024 */
71#define		MCI_DTOR_DTOMUL_4k                   (0x5u <<  4) /* (MCI) DTOCYC x 4096 */
72#define		MCI_DTOR_DTOMUL_64k                  (0x6u <<  4) /* (MCI) DTOCYC x 65536 */
73#define		MCI_DTOR_DTOMUL_1M                   (0x7u <<  4) /* (MCI) DTOCYC x 1048576 */
74/* -------- MCI_SDCR : (MCI Offset: 0xc) MCI SD Card Register --------  */
75#define	MCI_SDCR_SDCSEL      (0x1u <<  0) /* (MCI) SD Card Selector */
76#define	MCI_SDCR_SDCBUS      (0x1u <<  7) /* (MCI) SD Card Bus Width */
77/* -------- MCI_CMDR : (MCI Offset: 0x14) MCI Command Register --------  */
78#define	MCI_CMDR_CMDNB       (0x1Fu <<  0) /* (MCI) Command Number */
79#define	MCI_CMDR_RSPTYP      (0x3u <<  6) /* (MCI) Response Type */
80#define		MCI_CMDR_RSPTYP_NO                   (0x0u <<  6) /* (MCI) No response */
81#define		MCI_CMDR_RSPTYP_48                   (0x1u <<  6) /* (MCI) 48-bit response */
82#define		MCI_CMDR_RSPTYP_136                  (0x2u <<  6) /* (MCI) 136-bit response */
83#define	MCI_CMDR_SPCMD       (0x7u <<  8) /* (MCI) Special CMD */
84#define		MCI_CMDR_SPCMD_NONE                 (0x0u <<  8) /* (MCI) Not a special CMD */
85#define		MCI_CMDR_SPCMD_INIT                 (0x1u <<  8) /* (MCI) Initialization CMD */
86#define		MCI_CMDR_SPCMD_SYNC                 (0x2u <<  8) /* (MCI) Synchronized CMD */
87#define		MCI_CMDR_SPCMD_IT_CMD               (0x4u <<  8) /* (MCI) Interrupt command */
88#define		MCI_CMDR_SPCMD_IT_REP               (0x5u <<  8) /* (MCI) Interrupt response */
89#define	MCI_CMDR_OPDCMD      (0x1u << 11) /* (MCI) Open Drain Command */
90#define	MCI_CMDR_MAXLAT      (0x1u << 12) /* (MCI) Maximum Latency for Command to respond */
91#define	MCI_CMDR_TRCMD       (0x3u << 16) /* (MCI) Transfer CMD */
92#define		MCI_CMDR_TRCMD_NO                   (0x0u << 16) /* (MCI) No transfer */
93#define		MCI_CMDR_TRCMD_START                (0x1u << 16) /* (MCI) Start transfer */
94#define		MCI_CMDR_TRCMD_STOP                 (0x2u << 16) /* (MCI) Stop transfer */
95#define	MCI_CMDR_TRDIR       (0x1u << 18) /* (MCI) Transfer Direction */
96#define	MCI_CMDR_TRTYP       (0x3u << 19) /* (MCI) Transfer Type */
97#define		MCI_CMDR_TRTYP_BLOCK                (0x0u << 19) /* (MCI) Block Transfer type */
98#define		MCI_CMDR_TRTYP_MULTIPLE             (0x1u << 19) /* (MCI) Multiple Block transfer type */
99#define		MCI_CMDR_TRTYP_STREAM               (0x2u << 19) /* (MCI) Stream transfer type */
100/* -------- MCI_SR : (MCI Offset: 0x40) MCI Status Register --------  */
101#define	MCI_SR_CMDRDY   (0x1u <<  0) /* (MCI) Command Ready flag */
102#define	MCI_SR_RXRDY    (0x1u <<  1) /* (MCI) RX Ready flag */
103#define	MCI_SR_TXRDY    (0x1u <<  2) /* (MCI) TX Ready flag */
104#define	MCI_SR_BLKE     (0x1u <<  3) /* (MCI) Data Block Transfer Ended flag */
105#define	MCI_SR_DTIP     (0x1u <<  4) /* (MCI) Data Transfer in Progress flag */
106#define	MCI_SR_NOTBUSY  (0x1u <<  5) /* (MCI) Data Line Not Busy flag */
107#define	MCI_SR_ENDRX    (0x1u <<  6) /* (MCI) End of RX Buffer flag */
108#define	MCI_SR_ENDTX    (0x1u <<  7) /* (MCI) End of TX Buffer flag */
109#define	MCI_SR_RXBUFF   (0x1u << 14) /* (MCI) RX Buffer Full flag */
110#define	MCI_SR_TXBUFE   (0x1u << 15) /* (MCI) TX Buffer Empty flag */
111#define	MCI_SR_RINDE    (0x1u << 16) /* (MCI) Response Index Error flag */
112#define	MCI_SR_RDIRE    (0x1u << 17) /* (MCI) Response Direction Error flag */
113#define	MCI_SR_RCRCE    (0x1u << 18) /* (MCI) Response CRC Error flag */
114#define	MCI_SR_RENDE    (0x1u << 19) /* (MCI) Response End Bit Error flag */
115#define	MCI_SR_RTOE     (0x1u << 20) /* (MCI) Response Time-out Error flag */
116#define	MCI_SR_DCRCE    (0x1u << 21) /* (MCI) data CRC Error flag */
117#define	MCI_SR_DTOE     (0x1u << 22) /* (MCI) Data timeout Error flag */
118#define	MCI_SR_OVRE     (0x1u << 30) /* (MCI) Overrun flag */
119#define	MCI_SR_UNRE     (0x1u << 31) /* (MCI) Underrun flag */
120
121/*	TXRDY,DTIP,ENDTX,TXBUFE,RTOE */
122
123#define MCI_SR_BITSTRING \
124	"\020" \
125	"\001CMDRDY" \
126	"\002RXRDY" \
127	"\003TXRDY" \
128	"\004BLKE" \
129	"\005DTIP" \
130	"\006NOTBUSY" \
131	"\007ENDRX" \
132	"\010ENDTX" \
133	"\017RXBUFF" \
134	"\020TXBUFE" \
135	"\021RINDE" \
136	"\022RDIRE" \
137	"\023RCRCE" \
138	"\024RENDE" \
139	"\025RTOE" \
140	"\026DCRCE" \
141	"\027DTOE" \
142	"\037OVRE" \
143	"\040UNRE"
144
145/* -------- MCI_IER : (MCI Offset: 0x44) MCI Interrupt Enable Register --------  */
146/* -------- MCI_IDR : (MCI Offset: 0x48) MCI Interrupt Disable Register --------  */
147/* -------- MCI_IMR : (MCI Offset: 0x4c) MCI Interrupt Mask Register --------  */
148
149#define MCI_SR_ERROR	(MCI_SR_UNRE | MCI_SR_OVRE | MCI_SR_DTOE | \
150			MCI_SR_DCRCE | MCI_SR_RTOE | MCI_SR_RENDE | \
151			MCI_SR_RCRCE | MCI_SR_RDIRE | MCI_SR_RINDE)
152
153#define AT91C_BUS_WIDTH_1BIT		0x00
154#define AT91C_BUS_WIDTH_4BITS		0x02
155
156#endif /* ARM_AT91_AT91_MCIREG_H */
157