2 * Copyright (C) 2005-2006 Atmel Corporation
4 * See file CREDITS for list of people who contributed to this
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.
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.
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,
22 #ifndef __CPU_AT32AP_ATMEL_MCI_H__
23 #define __CPU_AT32AP_ATMEL_MCI_H__
28 * Structure for struct SoC access.
29 * Names starting with '_' are fillers.
31 typedef struct atmel_mci {
55 #endif /* __ASSEMBLY__ */
58 * NOTICE: Use of registers offsets is depreciated.
59 * These defines will be removed once the old driver
60 * is taken out of commision.
62 * Atmel MultiMedia Card Interface (MCI) registers
64 #define MMCI_CR 0x0000
65 #define MMCI_MR 0x0004
66 #define MMCI_DTOR 0x0008
67 #define MMCI_SDCR 0x000c
68 #define MMCI_ARGR 0x0010
69 #define MMCI_CMDR 0x0014
70 #define MMCI_RSPR 0x0020
71 #define MMCI_RSPR1 0x0024
72 #define MMCI_RSPR2 0x0028
73 #define MMCI_RSPR3 0x002c
74 #define MMCI_RDR 0x0030
75 #define MMCI_TDR 0x0034
76 #define MMCI_SR 0x0040
77 #define MMCI_IER 0x0044
78 #define MMCI_IDR 0x0048
79 #define MMCI_IMR 0x004c
82 #define MMCI_MCIEN_OFFSET 0
83 #define MMCI_MCIEN_SIZE 1
84 #define MMCI_MCIDIS_OFFSET 1
85 #define MMCI_MCIDIS_SIZE 1
86 #define MMCI_PWSEN_OFFSET 2
87 #define MMCI_PWSEN_SIZE 1
88 #define MMCI_PWSDIS_OFFSET 3
89 #define MMCI_PWSDIS_SIZE 1
90 #define MMCI_SWRST_OFFSET 7
91 #define MMCI_SWRST_SIZE 1
94 #define MMCI_CLKDIV_OFFSET 0
95 #define MMCI_CLKDIV_SIZE 8
96 #define MMCI_PWSDIV_OFFSET 8
97 #define MMCI_PWSDIV_SIZE 3
98 #define MMCI_RDPROOF_OFFSET 11
99 #define MMCI_RDPROOF_SIZE 1
100 #define MMCI_WRPROOF_OFFSET 12
101 #define MMCI_WRPROOF_SIZE 1
102 #define MMCI_PDCPADV_OFFSET 14
103 #define MMCI_PDCPADV_SIZE 1
104 #define MMCI_PDCMODE_OFFSET 15
105 #define MMCI_PDCMODE_SIZE 1
106 #define MMCI_BLKLEN_OFFSET 16
107 #define MMCI_BLKLEN_SIZE 16
109 /* Bitfields in DTOR */
110 #define MMCI_DTOCYC_OFFSET 0
111 #define MMCI_DTOCYC_SIZE 4
112 #define MMCI_DTOMUL_OFFSET 4
113 #define MMCI_DTOMUL_SIZE 3
115 /* Bitfields in SDCR */
116 #define MMCI_SCDSEL_OFFSET 0
117 #define MMCI_SCDSEL_SIZE 4
118 #define MMCI_SCDBUS_OFFSET 7
119 #define MMCI_SCDBUS_SIZE 1
121 /* Bitfields in ARGR */
122 #define MMCI_ARG_OFFSET 0
123 #define MMCI_ARG_SIZE 32
125 /* Bitfields in CMDR */
126 #define MMCI_CMDNB_OFFSET 0
127 #define MMCI_CMDNB_SIZE 6
128 #define MMCI_RSPTYP_OFFSET 6
129 #define MMCI_RSPTYP_SIZE 2
130 #define MMCI_SPCMD_OFFSET 8
131 #define MMCI_SPCMD_SIZE 3
132 #define MMCI_OPDCMD_OFFSET 11
133 #define MMCI_OPDCMD_SIZE 1
134 #define MMCI_MAXLAT_OFFSET 12
135 #define MMCI_MAXLAT_SIZE 1
136 #define MMCI_TRCMD_OFFSET 16
137 #define MMCI_TRCMD_SIZE 2
138 #define MMCI_TRDIR_OFFSET 18
139 #define MMCI_TRDIR_SIZE 1
140 #define MMCI_TRTYP_OFFSET 19
141 #define MMCI_TRTYP_SIZE 2
143 /* Bitfields in RSPRx */
144 #define MMCI_RSP_OFFSET 0
145 #define MMCI_RSP_SIZE 32
147 /* Bitfields in SR/IER/IDR/IMR */
148 #define MMCI_CMDRDY_OFFSET 0
149 #define MMCI_CMDRDY_SIZE 1
150 #define MMCI_RXRDY_OFFSET 1
151 #define MMCI_RXRDY_SIZE 1
152 #define MMCI_TXRDY_OFFSET 2
153 #define MMCI_TXRDY_SIZE 1
154 #define MMCI_BLKE_OFFSET 3
155 #define MMCI_BLKE_SIZE 1
156 #define MMCI_DTIP_OFFSET 4
157 #define MMCI_DTIP_SIZE 1
158 #define MMCI_NOTBUSY_OFFSET 5
159 #define MMCI_NOTBUSY_SIZE 1
160 #define MMCI_ENDRX_OFFSET 6
161 #define MMCI_ENDRX_SIZE 1
162 #define MMCI_ENDTX_OFFSET 7
163 #define MMCI_ENDTX_SIZE 1
164 #define MMCI_RXBUFF_OFFSET 14
165 #define MMCI_RXBUFF_SIZE 1
166 #define MMCI_TXBUFE_OFFSET 15
167 #define MMCI_TXBUFE_SIZE 1
168 #define MMCI_RINDE_OFFSET 16
169 #define MMCI_RINDE_SIZE 1
170 #define MMCI_RDIRE_OFFSET 17
171 #define MMCI_RDIRE_SIZE 1
172 #define MMCI_RCRCE_OFFSET 18
173 #define MMCI_RCRCE_SIZE 1
174 #define MMCI_RENDE_OFFSET 19
175 #define MMCI_RENDE_SIZE 1
176 #define MMCI_RTOE_OFFSET 20
177 #define MMCI_RTOE_SIZE 1
178 #define MMCI_DCRCE_OFFSET 21
179 #define MMCI_DCRCE_SIZE 1
180 #define MMCI_DTOE_OFFSET 22
181 #define MMCI_DTOE_SIZE 1
182 #define MMCI_OVRE_OFFSET 30
183 #define MMCI_OVRE_SIZE 1
184 #define MMCI_UNRE_OFFSET 31
185 #define MMCI_UNRE_SIZE 1
187 /* Constants for DTOMUL */
188 #define MMCI_DTOMUL_1_CYCLE 0
189 #define MMCI_DTOMUL_16_CYCLES 1
190 #define MMCI_DTOMUL_128_CYCLES 2
191 #define MMCI_DTOMUL_256_CYCLES 3
192 #define MMCI_DTOMUL_1024_CYCLES 4
193 #define MMCI_DTOMUL_4096_CYCLES 5
194 #define MMCI_DTOMUL_65536_CYCLES 6
195 #define MMCI_DTOMUL_1048576_CYCLES 7
197 /* Constants for RSPTYP */
198 #define MMCI_RSPTYP_NO_RESP 0
199 #define MMCI_RSPTYP_48_BIT_RESP 1
200 #define MMCI_RSPTYP_136_BIT_RESP 2
202 /* Constants for SPCMD */
203 #define MMCI_SPCMD_NO_SPEC_CMD 0
204 #define MMCI_SPCMD_INIT_CMD 1
205 #define MMCI_SPCMD_SYNC_CMD 2
206 #define MMCI_SPCMD_INT_CMD 4
207 #define MMCI_SPCMD_INT_RESP 5
209 /* Constants for TRCMD */
210 #define MMCI_TRCMD_NO_TRANS 0
211 #define MMCI_TRCMD_START_TRANS 1
212 #define MMCI_TRCMD_STOP_TRANS 2
214 /* Constants for TRTYP */
215 #define MMCI_TRTYP_BLOCK 0
216 #define MMCI_TRTYP_MULTI_BLOCK 1
217 #define MMCI_TRTYP_STREAM 2
219 /* Bit manipulation macros */
220 #define MMCI_BIT(name) \
221 (1 << MMCI_##name##_OFFSET)
222 #define MMCI_BF(name,value) \
223 (((value) & ((1 << MMCI_##name##_SIZE) - 1)) \
224 << MMCI_##name##_OFFSET)
225 #define MMCI_BFEXT(name,value) \
226 (((value) >> MMCI_##name##_OFFSET)\
227 & ((1 << MMCI_##name##_SIZE) - 1))
228 #define MMCI_BFINS(name,value,old) \
229 (((old) & ~(((1 << MMCI_##name##_SIZE) - 1) \
230 << MMCI_##name##_OFFSET)) \
231 | MMCI_BF(name,value))
234 * NOTICE: Use of registers offsets is depreciated.
235 * These defines will be removed once the old driver
236 * is taken out of commision.
238 * Register access macros
240 #define mmci_readl(reg) \
241 readl((void *)MMCI_BASE + MMCI_##reg)
242 #define mmci_writel(reg,value) \
243 writel((value), (void *)MMCI_BASE + MMCI_##reg)
245 #endif /* __CPU_AT32AP_ATMEL_MCI_H__ */