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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 */
Andy Fleming00114012011-07-28 20:47:02 -050041 u32 _18; /* 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 */
55} atmel_mci_t;
56
57#endif /* __ASSEMBLY__ */
58
Haavard Skinnemoenfc26c972006-01-20 10:03:53 +010059/* Bitfields in CR */
60#define MMCI_MCIEN_OFFSET 0
61#define MMCI_MCIEN_SIZE 1
62#define MMCI_MCIDIS_OFFSET 1
63#define MMCI_MCIDIS_SIZE 1
64#define MMCI_PWSEN_OFFSET 2
65#define MMCI_PWSEN_SIZE 1
66#define MMCI_PWSDIS_OFFSET 3
67#define MMCI_PWSDIS_SIZE 1
68#define MMCI_SWRST_OFFSET 7
69#define MMCI_SWRST_SIZE 1
70
71/* Bitfields in MR */
72#define MMCI_CLKDIV_OFFSET 0
73#define MMCI_CLKDIV_SIZE 8
74#define MMCI_PWSDIV_OFFSET 8
75#define MMCI_PWSDIV_SIZE 3
Haavard Skinnemoenf0d12462007-06-27 13:34:26 +020076#define MMCI_RDPROOF_OFFSET 11
77#define MMCI_RDPROOF_SIZE 1
78#define MMCI_WRPROOF_OFFSET 12
79#define MMCI_WRPROOF_SIZE 1
Haavard Skinnemoenfc26c972006-01-20 10:03:53 +010080#define MMCI_PDCPADV_OFFSET 14
81#define MMCI_PDCPADV_SIZE 1
82#define MMCI_PDCMODE_OFFSET 15
83#define MMCI_PDCMODE_SIZE 1
84#define MMCI_BLKLEN_OFFSET 16
85#define MMCI_BLKLEN_SIZE 16
86
87/* Bitfields in DTOR */
88#define MMCI_DTOCYC_OFFSET 0
89#define MMCI_DTOCYC_SIZE 4
90#define MMCI_DTOMUL_OFFSET 4
91#define MMCI_DTOMUL_SIZE 3
92
93/* Bitfields in SDCR */
94#define MMCI_SCDSEL_OFFSET 0
95#define MMCI_SCDSEL_SIZE 4
96#define MMCI_SCDBUS_OFFSET 7
97#define MMCI_SCDBUS_SIZE 1
98
99/* Bitfields in ARGR */
100#define MMCI_ARG_OFFSET 0
101#define MMCI_ARG_SIZE 32
102
103/* Bitfields in CMDR */
104#define MMCI_CMDNB_OFFSET 0
105#define MMCI_CMDNB_SIZE 6
106#define MMCI_RSPTYP_OFFSET 6
107#define MMCI_RSPTYP_SIZE 2
108#define MMCI_SPCMD_OFFSET 8
109#define MMCI_SPCMD_SIZE 3
110#define MMCI_OPDCMD_OFFSET 11
111#define MMCI_OPDCMD_SIZE 1
112#define MMCI_MAXLAT_OFFSET 12
113#define MMCI_MAXLAT_SIZE 1
114#define MMCI_TRCMD_OFFSET 16
115#define MMCI_TRCMD_SIZE 2
116#define MMCI_TRDIR_OFFSET 18
117#define MMCI_TRDIR_SIZE 1
118#define MMCI_TRTYP_OFFSET 19
119#define MMCI_TRTYP_SIZE 2
120
121/* Bitfields in RSPRx */
122#define MMCI_RSP_OFFSET 0
123#define MMCI_RSP_SIZE 32
124
125/* Bitfields in SR/IER/IDR/IMR */
126#define MMCI_CMDRDY_OFFSET 0
127#define MMCI_CMDRDY_SIZE 1
128#define MMCI_RXRDY_OFFSET 1
129#define MMCI_RXRDY_SIZE 1
130#define MMCI_TXRDY_OFFSET 2
131#define MMCI_TXRDY_SIZE 1
132#define MMCI_BLKE_OFFSET 3
133#define MMCI_BLKE_SIZE 1
134#define MMCI_DTIP_OFFSET 4
135#define MMCI_DTIP_SIZE 1
136#define MMCI_NOTBUSY_OFFSET 5
137#define MMCI_NOTBUSY_SIZE 1
138#define MMCI_ENDRX_OFFSET 6
139#define MMCI_ENDRX_SIZE 1
140#define MMCI_ENDTX_OFFSET 7
141#define MMCI_ENDTX_SIZE 1
142#define MMCI_RXBUFF_OFFSET 14
143#define MMCI_RXBUFF_SIZE 1
144#define MMCI_TXBUFE_OFFSET 15
145#define MMCI_TXBUFE_SIZE 1
146#define MMCI_RINDE_OFFSET 16
147#define MMCI_RINDE_SIZE 1
148#define MMCI_RDIRE_OFFSET 17
149#define MMCI_RDIRE_SIZE 1
150#define MMCI_RCRCE_OFFSET 18
151#define MMCI_RCRCE_SIZE 1
152#define MMCI_RENDE_OFFSET 19
153#define MMCI_RENDE_SIZE 1
154#define MMCI_RTOE_OFFSET 20
155#define MMCI_RTOE_SIZE 1
156#define MMCI_DCRCE_OFFSET 21
157#define MMCI_DCRCE_SIZE 1
158#define MMCI_DTOE_OFFSET 22
159#define MMCI_DTOE_SIZE 1
160#define MMCI_OVRE_OFFSET 30
161#define MMCI_OVRE_SIZE 1
162#define MMCI_UNRE_OFFSET 31
163#define MMCI_UNRE_SIZE 1
164
165/* Constants for DTOMUL */
166#define MMCI_DTOMUL_1_CYCLE 0
167#define MMCI_DTOMUL_16_CYCLES 1
168#define MMCI_DTOMUL_128_CYCLES 2
169#define MMCI_DTOMUL_256_CYCLES 3
170#define MMCI_DTOMUL_1024_CYCLES 4
171#define MMCI_DTOMUL_4096_CYCLES 5
172#define MMCI_DTOMUL_65536_CYCLES 6
173#define MMCI_DTOMUL_1048576_CYCLES 7
174
175/* Constants for RSPTYP */
176#define MMCI_RSPTYP_NO_RESP 0
177#define MMCI_RSPTYP_48_BIT_RESP 1
178#define MMCI_RSPTYP_136_BIT_RESP 2
179
180/* Constants for SPCMD */
181#define MMCI_SPCMD_NO_SPEC_CMD 0
182#define MMCI_SPCMD_INIT_CMD 1
183#define MMCI_SPCMD_SYNC_CMD 2
184#define MMCI_SPCMD_INT_CMD 4
185#define MMCI_SPCMD_INT_RESP 5
186
187/* Constants for TRCMD */
188#define MMCI_TRCMD_NO_TRANS 0
189#define MMCI_TRCMD_START_TRANS 1
190#define MMCI_TRCMD_STOP_TRANS 2
191
192/* Constants for TRTYP */
193#define MMCI_TRTYP_BLOCK 0
194#define MMCI_TRTYP_MULTI_BLOCK 1
195#define MMCI_TRTYP_STREAM 2
196
197/* Bit manipulation macros */
198#define MMCI_BIT(name) \
199 (1 << MMCI_##name##_OFFSET)
200#define MMCI_BF(name,value) \
201 (((value) & ((1 << MMCI_##name##_SIZE) - 1)) \
202 << MMCI_##name##_OFFSET)
203#define MMCI_BFEXT(name,value) \
204 (((value) >> MMCI_##name##_OFFSET)\
205 & ((1 << MMCI_##name##_SIZE) - 1))
206#define MMCI_BFINS(name,value,old) \
207 (((old) & ~(((1 << MMCI_##name##_SIZE) - 1) \
208 << MMCI_##name##_OFFSET)) \
209 | MMCI_BF(name,value))
210
Sven Schnelle72fa4672011-10-21 14:49:25 +0200211#endif /* __ATMEL_MCI_H__ */