1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Copyright (C) 2005-2006 Atmel Corporation
5 #ifndef __ATMEL_MCI_H__
6 #define __ATMEL_MCI_H__
8 int atmel_mci_init(void *regs);
13 * Structure for struct SoC access.
14 * Names starting with '_' are fillers.
16 typedef struct atmel_mci {
44 #endif /* __ASSEMBLY__ */
47 #define MMCI_MCIEN_OFFSET 0
48 #define MMCI_MCIEN_SIZE 1
49 #define MMCI_MCIDIS_OFFSET 1
50 #define MMCI_MCIDIS_SIZE 1
51 #define MMCI_PWSEN_OFFSET 2
52 #define MMCI_PWSEN_SIZE 1
53 #define MMCI_PWSDIS_OFFSET 3
54 #define MMCI_PWSDIS_SIZE 1
55 #define MMCI_SWRST_OFFSET 7
56 #define MMCI_SWRST_SIZE 1
59 #define MMCI_CLKDIV_OFFSET 0
60 #define MMCI_CLKDIV_SIZE 8
61 #define MMCI_PWSDIV_OFFSET 8
62 #define MMCI_PWSDIV_SIZE 3
63 #define MMCI_RDPROOF_OFFSET 11
64 #define MMCI_RDPROOF_SIZE 1
65 #define MMCI_WRPROOF_OFFSET 12
66 #define MMCI_WRPROOF_SIZE 1
67 #define MMCI_PDCPADV_OFFSET 14
68 #define MMCI_PDCPADV_SIZE 1
69 #define MMCI_PDCMODE_OFFSET 15
70 #define MMCI_PDCMODE_SIZE 1
71 /* MCI IP version >= 0x500, MR bit 16 used for CLKODD */
72 #define MMCI_CLKODD_OFFSET 16
73 #define MMCI_CLKODD_SIZE 1
74 /* MCI IP version < 0x200, MR higher 16bits for BLKLEN */
75 #define MMCI_BLKLEN_OFFSET 16
76 #define MMCI_BLKLEN_SIZE 16
78 /* Bitfields in DTOR */
79 #define MMCI_DTOCYC_OFFSET 0
80 #define MMCI_DTOCYC_SIZE 4
81 #define MMCI_DTOMUL_OFFSET 4
82 #define MMCI_DTOMUL_SIZE 3
84 /* Bitfields in SDCR */
85 #define MMCI_SCDSEL_OFFSET 0
86 #define MMCI_SCDSEL_SIZE 4
87 #define MMCI_SCDBUS_OFFSET 7
88 #define MMCI_SCDBUS_SIZE 1
90 /* Bitfields in ARGR */
91 #define MMCI_ARG_OFFSET 0
92 #define MMCI_ARG_SIZE 32
94 /* Bitfields in CMDR */
95 #define MMCI_CMDNB_OFFSET 0
96 #define MMCI_CMDNB_SIZE 6
97 #define MMCI_RSPTYP_OFFSET 6
98 #define MMCI_RSPTYP_SIZE 2
99 #define MMCI_SPCMD_OFFSET 8
100 #define MMCI_SPCMD_SIZE 3
101 #define MMCI_OPDCMD_OFFSET 11
102 #define MMCI_OPDCMD_SIZE 1
103 #define MMCI_MAXLAT_OFFSET 12
104 #define MMCI_MAXLAT_SIZE 1
105 #define MMCI_TRCMD_OFFSET 16
106 #define MMCI_TRCMD_SIZE 2
107 #define MMCI_TRDIR_OFFSET 18
108 #define MMCI_TRDIR_SIZE 1
109 #define MMCI_TRTYP_OFFSET 19
110 #define MMCI_TRTYP_SIZE 2
112 /* Bitfields in BLKR */
113 /* MMCI_BLKLEN_OFFSET/SIZE already defined in MR */
114 #define MMCI_BCNT_OFFSET 0
115 #define MMCI_BCNT_SIZE 16
117 /* Bitfields in RSPRx */
118 #define MMCI_RSP_OFFSET 0
119 #define MMCI_RSP_SIZE 32
121 /* Bitfields in SR/IER/IDR/IMR */
122 #define MMCI_CMDRDY_OFFSET 0
123 #define MMCI_CMDRDY_SIZE 1
124 #define MMCI_RXRDY_OFFSET 1
125 #define MMCI_RXRDY_SIZE 1
126 #define MMCI_TXRDY_OFFSET 2
127 #define MMCI_TXRDY_SIZE 1
128 #define MMCI_BLKE_OFFSET 3
129 #define MMCI_BLKE_SIZE 1
130 #define MMCI_DTIP_OFFSET 4
131 #define MMCI_DTIP_SIZE 1
132 #define MMCI_NOTBUSY_OFFSET 5
133 #define MMCI_NOTBUSY_SIZE 1
134 #define MMCI_ENDRX_OFFSET 6
135 #define MMCI_ENDRX_SIZE 1
136 #define MMCI_ENDTX_OFFSET 7
137 #define MMCI_ENDTX_SIZE 1
138 #define MMCI_RXBUFF_OFFSET 14
139 #define MMCI_RXBUFF_SIZE 1
140 #define MMCI_TXBUFE_OFFSET 15
141 #define MMCI_TXBUFE_SIZE 1
142 #define MMCI_RINDE_OFFSET 16
143 #define MMCI_RINDE_SIZE 1
144 #define MMCI_RDIRE_OFFSET 17
145 #define MMCI_RDIRE_SIZE 1
146 #define MMCI_RCRCE_OFFSET 18
147 #define MMCI_RCRCE_SIZE 1
148 #define MMCI_RENDE_OFFSET 19
149 #define MMCI_RENDE_SIZE 1
150 #define MMCI_RTOE_OFFSET 20
151 #define MMCI_RTOE_SIZE 1
152 #define MMCI_DCRCE_OFFSET 21
153 #define MMCI_DCRCE_SIZE 1
154 #define MMCI_DTOE_OFFSET 22
155 #define MMCI_DTOE_SIZE 1
156 #define MMCI_OVRE_OFFSET 30
157 #define MMCI_OVRE_SIZE 1
158 #define MMCI_UNRE_OFFSET 31
159 #define MMCI_UNRE_SIZE 1
161 /* Constants for DTOMUL */
162 #define MMCI_DTOMUL_1_CYCLE 0
163 #define MMCI_DTOMUL_16_CYCLES 1
164 #define MMCI_DTOMUL_128_CYCLES 2
165 #define MMCI_DTOMUL_256_CYCLES 3
166 #define MMCI_DTOMUL_1024_CYCLES 4
167 #define MMCI_DTOMUL_4096_CYCLES 5
168 #define MMCI_DTOMUL_65536_CYCLES 6
169 #define MMCI_DTOMUL_1048576_CYCLES 7
171 /* Constants for RSPTYP */
172 #define MMCI_RSPTYP_NO_RESP 0
173 #define MMCI_RSPTYP_48_BIT_RESP 1
174 #define MMCI_RSPTYP_136_BIT_RESP 2
176 /* Constants for SPCMD */
177 #define MMCI_SPCMD_NO_SPEC_CMD 0
178 #define MMCI_SPCMD_INIT_CMD 1
179 #define MMCI_SPCMD_SYNC_CMD 2
180 #define MMCI_SPCMD_INT_CMD 4
181 #define MMCI_SPCMD_INT_RESP 5
183 /* Constants for TRCMD */
184 #define MMCI_TRCMD_NO_TRANS 0
185 #define MMCI_TRCMD_START_TRANS 1
186 #define MMCI_TRCMD_STOP_TRANS 2
188 /* Constants for TRTYP */
189 #define MMCI_TRTYP_BLOCK 0
190 #define MMCI_TRTYP_MULTI_BLOCK 1
191 #define MMCI_TRTYP_STREAM 2
193 /* Bitfields in CFG */
194 #define MMCI_FIFOMODE_OFFSET 0
195 #define MMCI_FIFOMODE_SIZE 1
196 #define MMCI_FERRCTRL_OFFSET 4
197 #define MMCI_FERRCTRL_SIZE 1
198 #define MMCI_HSMODE_OFFSET 8
199 #define MMCI_HSMODE_SIZE 1
200 #define MMCI_LSYNC_OFFSET 12
201 #define MMCI_LSYNC_SIZE 1
203 /* Bit manipulation macros */
204 #define MMCI_BIT(name) \
205 (1 << MMCI_##name##_OFFSET)
206 #define MMCI_BF(name,value) \
207 (((value) & ((1 << MMCI_##name##_SIZE) - 1)) \
208 << MMCI_##name##_OFFSET)
209 #define MMCI_BFEXT(name,value) \
210 (((value) >> MMCI_##name##_OFFSET)\
211 & ((1 << MMCI_##name##_SIZE) - 1))
212 #define MMCI_BFINS(name,value,old) \
213 (((old) & ~(((1 << MMCI_##name##_SIZE) - 1) \
214 << MMCI_##name##_OFFSET)) \
215 | MMCI_BF(name,value))
217 #endif /* __ATMEL_MCI_H__ */