blob: 31c4569c8fbf9eea2ff0731bf090358657a16f0c [file] [log] [blame]
Haavard Skinnemoenfc26c972006-01-20 10:03:53 +01001/*
2 * Copyright (C) 2005-2006 Atmel Corporation
3 *
4 * See file CREDITS for list of people who contributed to this
5 * project.
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License as
9 * published by the Free Software Foundation; either version 2 of
10 * the License, or (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
20 * MA 02111-1307 USA
21 */
Sven Schnelle72fa4672011-10-21 14:49:25 +020022#ifndef __ATMEL_MCI_H__
23#define __ATMEL_MCI_H__
24
25int atmel_mci_init(void *regs);
Haavard Skinnemoenfc26c972006-01-20 10:03:53 +010026
Reinhard Meyer1592ef82010-08-13 10:31:06 +020027#ifndef __ASSEMBLY__
28
29/*
30 * Structure for struct SoC access.
31 * Names starting with '_' are fillers.
32 */
33typedef struct atmel_mci {
34 /* reg Offset */
35 u32 cr; /* 0x00 */
36 u32 mr; /* 0x04 */
37 u32 dtor; /* 0x08 */
38 u32 sdcr; /* 0x0c */
39 u32 argr; /* 0x10 */
40 u32 cmdr; /* 0x14 */
Wu, Josh1db73772012-09-13 22:22:04 +000041 u32 blkr; /* 0x18 */
Reinhard Meyer1592ef82010-08-13 10:31:06 +020042 u32 _1c; /* 0x1c */
43 u32 rspr; /* 0x20 */
44 u32 rspr1; /* 0x24 */
45 u32 rspr2; /* 0x28 */
46 u32 rspr3; /* 0x2c */
47 u32 rdr; /* 0x30 */
48 u32 tdr; /* 0x34 */
49 u32 _38; /* 0x38 */
50 u32 _3c; /* 0x3c */
51 u32 sr; /* 0x40 */
52 u32 ier; /* 0x44 */
53 u32 idr; /* 0x48 */
54 u32 imr; /* 0x4c */
Bo Shenaac4b692013-04-26 00:27:06 +000055 u32 reserved[43];
56 u32 version;
Reinhard Meyer1592ef82010-08-13 10:31:06 +020057} atmel_mci_t;
58
59#endif /* __ASSEMBLY__ */
60
Haavard Skinnemoenfc26c972006-01-20 10:03:53 +010061/* Bitfields in CR */
62#define MMCI_MCIEN_OFFSET 0
63#define MMCI_MCIEN_SIZE 1
64#define MMCI_MCIDIS_OFFSET 1
65#define MMCI_MCIDIS_SIZE 1
66#define MMCI_PWSEN_OFFSET 2
67#define MMCI_PWSEN_SIZE 1
68#define MMCI_PWSDIS_OFFSET 3
69#define MMCI_PWSDIS_SIZE 1
70#define MMCI_SWRST_OFFSET 7
71#define MMCI_SWRST_SIZE 1
72
73/* Bitfields in MR */
74#define MMCI_CLKDIV_OFFSET 0
75#define MMCI_CLKDIV_SIZE 8
76#define MMCI_PWSDIV_OFFSET 8
77#define MMCI_PWSDIV_SIZE 3
Haavard Skinnemoenf0d12462007-06-27 13:34:26 +020078#define MMCI_RDPROOF_OFFSET 11
79#define MMCI_RDPROOF_SIZE 1
80#define MMCI_WRPROOF_OFFSET 12
81#define MMCI_WRPROOF_SIZE 1
Haavard Skinnemoenfc26c972006-01-20 10:03:53 +010082#define MMCI_PDCPADV_OFFSET 14
83#define MMCI_PDCPADV_SIZE 1
84#define MMCI_PDCMODE_OFFSET 15
85#define MMCI_PDCMODE_SIZE 1
86#define MMCI_BLKLEN_OFFSET 16
87#define MMCI_BLKLEN_SIZE 16
88
89/* Bitfields in DTOR */
90#define MMCI_DTOCYC_OFFSET 0
91#define MMCI_DTOCYC_SIZE 4
92#define MMCI_DTOMUL_OFFSET 4
93#define MMCI_DTOMUL_SIZE 3
94
95/* Bitfields in SDCR */
96#define MMCI_SCDSEL_OFFSET 0
97#define MMCI_SCDSEL_SIZE 4
98#define MMCI_SCDBUS_OFFSET 7
99#define MMCI_SCDBUS_SIZE 1
100
101/* Bitfields in ARGR */
102#define MMCI_ARG_OFFSET 0
103#define MMCI_ARG_SIZE 32
104
105/* Bitfields in CMDR */
106#define MMCI_CMDNB_OFFSET 0
107#define MMCI_CMDNB_SIZE 6
108#define MMCI_RSPTYP_OFFSET 6
109#define MMCI_RSPTYP_SIZE 2
110#define MMCI_SPCMD_OFFSET 8
111#define MMCI_SPCMD_SIZE 3
112#define MMCI_OPDCMD_OFFSET 11
113#define MMCI_OPDCMD_SIZE 1
114#define MMCI_MAXLAT_OFFSET 12
115#define MMCI_MAXLAT_SIZE 1
116#define MMCI_TRCMD_OFFSET 16
117#define MMCI_TRCMD_SIZE 2
118#define MMCI_TRDIR_OFFSET 18
119#define MMCI_TRDIR_SIZE 1
120#define MMCI_TRTYP_OFFSET 19
121#define MMCI_TRTYP_SIZE 2
122
Wu, Josh1db73772012-09-13 22:22:04 +0000123/* Bitfields in BLKR */
124/* MMCI_BLKLEN_OFFSET/SIZE already defined in MR */
125#define MMCI_BCNT_OFFSET 0
126#define MMCI_BCNT_SIZE 16
127
Haavard Skinnemoenfc26c972006-01-20 10:03:53 +0100128/* Bitfields in RSPRx */
129#define MMCI_RSP_OFFSET 0
130#define MMCI_RSP_SIZE 32
131
132/* Bitfields in SR/IER/IDR/IMR */
133#define MMCI_CMDRDY_OFFSET 0
134#define MMCI_CMDRDY_SIZE 1
135#define MMCI_RXRDY_OFFSET 1
136#define MMCI_RXRDY_SIZE 1
137#define MMCI_TXRDY_OFFSET 2
138#define MMCI_TXRDY_SIZE 1
139#define MMCI_BLKE_OFFSET 3
140#define MMCI_BLKE_SIZE 1
141#define MMCI_DTIP_OFFSET 4
142#define MMCI_DTIP_SIZE 1
143#define MMCI_NOTBUSY_OFFSET 5
144#define MMCI_NOTBUSY_SIZE 1
145#define MMCI_ENDRX_OFFSET 6
146#define MMCI_ENDRX_SIZE 1
147#define MMCI_ENDTX_OFFSET 7
148#define MMCI_ENDTX_SIZE 1
149#define MMCI_RXBUFF_OFFSET 14
150#define MMCI_RXBUFF_SIZE 1
151#define MMCI_TXBUFE_OFFSET 15
152#define MMCI_TXBUFE_SIZE 1
153#define MMCI_RINDE_OFFSET 16
154#define MMCI_RINDE_SIZE 1
155#define MMCI_RDIRE_OFFSET 17
156#define MMCI_RDIRE_SIZE 1
157#define MMCI_RCRCE_OFFSET 18
158#define MMCI_RCRCE_SIZE 1
159#define MMCI_RENDE_OFFSET 19
160#define MMCI_RENDE_SIZE 1
161#define MMCI_RTOE_OFFSET 20
162#define MMCI_RTOE_SIZE 1
163#define MMCI_DCRCE_OFFSET 21
164#define MMCI_DCRCE_SIZE 1
165#define MMCI_DTOE_OFFSET 22
166#define MMCI_DTOE_SIZE 1
167#define MMCI_OVRE_OFFSET 30
168#define MMCI_OVRE_SIZE 1
169#define MMCI_UNRE_OFFSET 31
170#define MMCI_UNRE_SIZE 1
171
172/* Constants for DTOMUL */
173#define MMCI_DTOMUL_1_CYCLE 0
174#define MMCI_DTOMUL_16_CYCLES 1
175#define MMCI_DTOMUL_128_CYCLES 2
176#define MMCI_DTOMUL_256_CYCLES 3
177#define MMCI_DTOMUL_1024_CYCLES 4
178#define MMCI_DTOMUL_4096_CYCLES 5
179#define MMCI_DTOMUL_65536_CYCLES 6
180#define MMCI_DTOMUL_1048576_CYCLES 7
181
182/* Constants for RSPTYP */
183#define MMCI_RSPTYP_NO_RESP 0
184#define MMCI_RSPTYP_48_BIT_RESP 1
185#define MMCI_RSPTYP_136_BIT_RESP 2
186
187/* Constants for SPCMD */
188#define MMCI_SPCMD_NO_SPEC_CMD 0
189#define MMCI_SPCMD_INIT_CMD 1
190#define MMCI_SPCMD_SYNC_CMD 2
191#define MMCI_SPCMD_INT_CMD 4
192#define MMCI_SPCMD_INT_RESP 5
193
194/* Constants for TRCMD */
195#define MMCI_TRCMD_NO_TRANS 0
196#define MMCI_TRCMD_START_TRANS 1
197#define MMCI_TRCMD_STOP_TRANS 2
198
199/* Constants for TRTYP */
200#define MMCI_TRTYP_BLOCK 0
201#define MMCI_TRTYP_MULTI_BLOCK 1
202#define MMCI_TRTYP_STREAM 2
203
204/* Bit manipulation macros */
205#define MMCI_BIT(name) \
206 (1 << MMCI_##name##_OFFSET)
207#define MMCI_BF(name,value) \
208 (((value) & ((1 << MMCI_##name##_SIZE) - 1)) \
209 << MMCI_##name##_OFFSET)
210#define MMCI_BFEXT(name,value) \
211 (((value) >> MMCI_##name##_OFFSET)\
212 & ((1 << MMCI_##name##_SIZE) - 1))
213#define MMCI_BFINS(name,value,old) \
214 (((old) & ~(((1 << MMCI_##name##_SIZE) - 1) \
215 << MMCI_##name##_OFFSET)) \
216 | MMCI_BF(name,value))
217
Sven Schnelle72fa4672011-10-21 14:49:25 +0200218#endif /* __ATMEL_MCI_H__ */