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