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71f95118 | 1 | /* |
4a6ee172 | 2 | * Copyright 2008,2010 Freescale Semiconductor, Inc |
272cc70b AF |
3 | * Andy Fleming |
4 | * | |
5 | * Based (loosely) on the Linux code | |
71f95118 WD |
6 | * |
7 | * See file CREDITS for list of people who contributed to this | |
8 | * project. | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or | |
11 | * modify it under the terms of the GNU General Public License as | |
12 | * published by the Free Software Foundation; either version 2 of | |
13 | * the License, or (at your option) any later version. | |
14 | * | |
15 | * This program is distributed in the hope that it will be useful, | |
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
abe2c93f | 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
71f95118 WD |
18 | * GNU General Public License for more details. |
19 | * | |
20 | * You should have received a copy of the GNU General Public License | |
21 | * along with this program; if not, write to the Free Software | |
22 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
23 | * MA 02111-1307 USA | |
24 | */ | |
25 | ||
26 | #ifndef _MMC_H_ | |
27 | #define _MMC_H_ | |
71f95118 | 28 | |
272cc70b AF |
29 | #include <linux/list.h> |
30 | ||
31 | #define SD_VERSION_SD 0x20000 | |
32 | #define SD_VERSION_2 (SD_VERSION_SD | 0x20) | |
33 | #define SD_VERSION_1_0 (SD_VERSION_SD | 0x10) | |
34 | #define SD_VERSION_1_10 (SD_VERSION_SD | 0x1a) | |
35 | #define MMC_VERSION_MMC 0x10000 | |
36 | #define MMC_VERSION_UNKNOWN (MMC_VERSION_MMC) | |
37 | #define MMC_VERSION_1_2 (MMC_VERSION_MMC | 0x12) | |
38 | #define MMC_VERSION_1_4 (MMC_VERSION_MMC | 0x14) | |
39 | #define MMC_VERSION_2_2 (MMC_VERSION_MMC | 0x22) | |
40 | #define MMC_VERSION_3 (MMC_VERSION_MMC | 0x30) | |
41 | #define MMC_VERSION_4 (MMC_VERSION_MMC | 0x40) | |
42 | ||
43 | #define MMC_MODE_HS 0x001 | |
44 | #define MMC_MODE_HS_52MHz 0x010 | |
45 | #define MMC_MODE_4BIT 0x100 | |
46 | #define MMC_MODE_8BIT 0x200 | |
d52ebf10 | 47 | #define MMC_MODE_SPI 0x400 |
272cc70b AF |
48 | |
49 | #define SD_DATA_4BIT 0x00040000 | |
50 | ||
79b91de9 | 51 | #define IS_SD(x) (x->version & SD_VERSION_SD) |
272cc70b AF |
52 | |
53 | #define MMC_DATA_READ 1 | |
54 | #define MMC_DATA_WRITE 2 | |
55 | ||
56 | #define NO_CARD_ERR -16 /* No SD/MMC card inserted */ | |
57 | #define UNUSABLE_ERR -17 /* Unusable Card */ | |
58 | #define COMM_ERR -18 /* Communications Error */ | |
59 | #define TIMEOUT -19 | |
60 | ||
341188b9 HS |
61 | #define MMC_CMD_GO_IDLE_STATE 0 |
62 | #define MMC_CMD_SEND_OP_COND 1 | |
63 | #define MMC_CMD_ALL_SEND_CID 2 | |
64 | #define MMC_CMD_SET_RELATIVE_ADDR 3 | |
65 | #define MMC_CMD_SET_DSR 4 | |
272cc70b | 66 | #define MMC_CMD_SWITCH 6 |
341188b9 | 67 | #define MMC_CMD_SELECT_CARD 7 |
272cc70b | 68 | #define MMC_CMD_SEND_EXT_CSD 8 |
341188b9 HS |
69 | #define MMC_CMD_SEND_CSD 9 |
70 | #define MMC_CMD_SEND_CID 10 | |
272cc70b | 71 | #define MMC_CMD_STOP_TRANSMISSION 12 |
341188b9 HS |
72 | #define MMC_CMD_SEND_STATUS 13 |
73 | #define MMC_CMD_SET_BLOCKLEN 16 | |
74 | #define MMC_CMD_READ_SINGLE_BLOCK 17 | |
75 | #define MMC_CMD_READ_MULTIPLE_BLOCK 18 | |
272cc70b AF |
76 | #define MMC_CMD_WRITE_SINGLE_BLOCK 24 |
77 | #define MMC_CMD_WRITE_MULTIPLE_BLOCK 25 | |
341188b9 | 78 | #define MMC_CMD_APP_CMD 55 |
d52ebf10 TC |
79 | #define MMC_CMD_SPI_READ_OCR 58 |
80 | #define MMC_CMD_SPI_CRC_ON_OFF 59 | |
341188b9 | 81 | |
341188b9 | 82 | #define SD_CMD_SEND_RELATIVE_ADDR 3 |
272cc70b | 83 | #define SD_CMD_SWITCH_FUNC 6 |
341188b9 HS |
84 | #define SD_CMD_SEND_IF_COND 8 |
85 | ||
86 | #define SD_CMD_APP_SET_BUS_WIDTH 6 | |
87 | #define SD_CMD_APP_SEND_OP_COND 41 | |
272cc70b AF |
88 | #define SD_CMD_APP_SEND_SCR 51 |
89 | ||
90 | /* SCR definitions in different words */ | |
91 | #define SD_HIGHSPEED_BUSY 0x00020000 | |
92 | #define SD_HIGHSPEED_SUPPORTED 0x00020000 | |
93 | ||
94 | #define MMC_HS_TIMING 0x00000100 | |
95 | #define MMC_HS_52MHZ 0x2 | |
96 | ||
abe2c93f TC |
97 | #define OCR_BUSY 0x80000000 |
98 | #define OCR_HCS 0x40000000 | |
31cacbab RR |
99 | #define OCR_VOLTAGE_MASK 0x007FFF80 |
100 | #define OCR_ACCESS_MODE 0x60000000 | |
272cc70b | 101 | |
5d4fc8d9 | 102 | #define MMC_STATUS_MASK (~0x0206BF7F) |
abe2c93f TC |
103 | #define MMC_STATUS_RDY_FOR_DATA (1 << 8) |
104 | #define MMC_STATUS_CURR_STATE (0xf << 9) | |
ed018b21 | 105 | #define MMC_STATUS_ERROR (1 << 19) |
5d4fc8d9 | 106 | |
272cc70b AF |
107 | #define MMC_VDD_165_195 0x00000080 /* VDD voltage 1.65 - 1.95 */ |
108 | #define MMC_VDD_20_21 0x00000100 /* VDD voltage 2.0 ~ 2.1 */ | |
109 | #define MMC_VDD_21_22 0x00000200 /* VDD voltage 2.1 ~ 2.2 */ | |
110 | #define MMC_VDD_22_23 0x00000400 /* VDD voltage 2.2 ~ 2.3 */ | |
111 | #define MMC_VDD_23_24 0x00000800 /* VDD voltage 2.3 ~ 2.4 */ | |
112 | #define MMC_VDD_24_25 0x00001000 /* VDD voltage 2.4 ~ 2.5 */ | |
113 | #define MMC_VDD_25_26 0x00002000 /* VDD voltage 2.5 ~ 2.6 */ | |
114 | #define MMC_VDD_26_27 0x00004000 /* VDD voltage 2.6 ~ 2.7 */ | |
115 | #define MMC_VDD_27_28 0x00008000 /* VDD voltage 2.7 ~ 2.8 */ | |
116 | #define MMC_VDD_28_29 0x00010000 /* VDD voltage 2.8 ~ 2.9 */ | |
117 | #define MMC_VDD_29_30 0x00020000 /* VDD voltage 2.9 ~ 3.0 */ | |
118 | #define MMC_VDD_30_31 0x00040000 /* VDD voltage 3.0 ~ 3.1 */ | |
119 | #define MMC_VDD_31_32 0x00080000 /* VDD voltage 3.1 ~ 3.2 */ | |
120 | #define MMC_VDD_32_33 0x00100000 /* VDD voltage 3.2 ~ 3.3 */ | |
121 | #define MMC_VDD_33_34 0x00200000 /* VDD voltage 3.3 ~ 3.4 */ | |
122 | #define MMC_VDD_34_35 0x00400000 /* VDD voltage 3.4 ~ 3.5 */ | |
123 | #define MMC_VDD_35_36 0x00800000 /* VDD voltage 3.5 ~ 3.6 */ | |
124 | ||
125 | #define MMC_SWITCH_MODE_CMD_SET 0x00 /* Change the command set */ | |
126 | #define MMC_SWITCH_MODE_SET_BITS 0x01 /* Set bits in EXT_CSD byte | |
127 | addressed by index which are | |
128 | 1 in value field */ | |
129 | #define MMC_SWITCH_MODE_CLEAR_BITS 0x02 /* Clear bits in EXT_CSD byte | |
130 | addressed by index, which are | |
131 | 1 in value field */ | |
132 | #define MMC_SWITCH_MODE_WRITE_BYTE 0x03 /* Set target byte to value */ | |
133 | ||
134 | #define SD_SWITCH_CHECK 0 | |
135 | #define SD_SWITCH_SWITCH 1 | |
136 | ||
137 | /* | |
138 | * EXT_CSD fields | |
139 | */ | |
140 | ||
141 | #define EXT_CSD_BUS_WIDTH 183 /* R/W */ | |
142 | #define EXT_CSD_HS_TIMING 185 /* R/W */ | |
143 | #define EXT_CSD_CARD_TYPE 196 /* RO */ | |
144 | #define EXT_CSD_REV 192 /* RO */ | |
145 | #define EXT_CSD_SEC_CNT 212 /* RO, 4 bytes */ | |
146 | ||
147 | /* | |
148 | * EXT_CSD field definitions | |
149 | */ | |
150 | ||
abe2c93f TC |
151 | #define EXT_CSD_CMD_SET_NORMAL (1 << 0) |
152 | #define EXT_CSD_CMD_SET_SECURE (1 << 1) | |
153 | #define EXT_CSD_CMD_SET_CPSECURE (1 << 2) | |
272cc70b | 154 | |
abe2c93f TC |
155 | #define EXT_CSD_CARD_TYPE_26 (1 << 0) /* Card can run at 26MHz */ |
156 | #define EXT_CSD_CARD_TYPE_52 (1 << 1) /* Card can run at 52MHz */ | |
272cc70b AF |
157 | |
158 | #define EXT_CSD_BUS_WIDTH_1 0 /* Card is in 1 bit mode */ | |
159 | #define EXT_CSD_BUS_WIDTH_4 1 /* Card is in 4 bit mode */ | |
160 | #define EXT_CSD_BUS_WIDTH_8 2 /* Card is in 8 bit mode */ | |
341188b9 | 161 | |
1de97f98 AF |
162 | #define R1_ILLEGAL_COMMAND (1 << 22) |
163 | #define R1_APP_CMD (1 << 5) | |
164 | ||
272cc70b | 165 | #define MMC_RSP_PRESENT (1 << 0) |
abe2c93f TC |
166 | #define MMC_RSP_136 (1 << 1) /* 136 bit response */ |
167 | #define MMC_RSP_CRC (1 << 2) /* expect valid crc */ | |
168 | #define MMC_RSP_BUSY (1 << 3) /* card may send busy */ | |
169 | #define MMC_RSP_OPCODE (1 << 4) /* response contains opcode */ | |
272cc70b | 170 | |
abe2c93f TC |
171 | #define MMC_RSP_NONE (0) |
172 | #define MMC_RSP_R1 (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE) | |
272cc70b AF |
173 | #define MMC_RSP_R1b (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE| \ |
174 | MMC_RSP_BUSY) | |
abe2c93f TC |
175 | #define MMC_RSP_R2 (MMC_RSP_PRESENT|MMC_RSP_136|MMC_RSP_CRC) |
176 | #define MMC_RSP_R3 (MMC_RSP_PRESENT) | |
177 | #define MMC_RSP_R4 (MMC_RSP_PRESENT) | |
178 | #define MMC_RSP_R5 (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE) | |
179 | #define MMC_RSP_R6 (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE) | |
180 | #define MMC_RSP_R7 (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE) | |
272cc70b | 181 | |
71f95118 | 182 | |
1de97f98 AF |
183 | struct mmc_cid { |
184 | unsigned long psn; | |
185 | unsigned short oid; | |
186 | unsigned char mid; | |
187 | unsigned char prv; | |
188 | unsigned char mdt; | |
189 | char pnm[7]; | |
190 | }; | |
191 | ||
1592ef85 RM |
192 | /* |
193 | * WARNING! | |
194 | * | |
195 | * This structure is used by atmel_mci.c only. | |
196 | * It works for the AVR32 architecture but NOT | |
197 | * for ARM/AT91 architectures. | |
198 | * Its use is highly depreciated. | |
199 | * After the atmel_mci.c driver for AVR32 has | |
200 | * been replaced this structure will be removed. | |
201 | */ | |
1de97f98 AF |
202 | struct mmc_csd |
203 | { | |
204 | u8 csd_structure:2, | |
205 | spec_vers:4, | |
206 | rsvd1:2; | |
207 | u8 taac; | |
208 | u8 nsac; | |
209 | u8 tran_speed; | |
210 | u16 ccc:12, | |
211 | read_bl_len:4; | |
212 | u64 read_bl_partial:1, | |
213 | write_blk_misalign:1, | |
214 | read_blk_misalign:1, | |
215 | dsr_imp:1, | |
216 | rsvd2:2, | |
217 | c_size:12, | |
218 | vdd_r_curr_min:3, | |
219 | vdd_r_curr_max:3, | |
220 | vdd_w_curr_min:3, | |
221 | vdd_w_curr_max:3, | |
222 | c_size_mult:3, | |
223 | sector_size:5, | |
224 | erase_grp_size:5, | |
225 | wp_grp_size:5, | |
226 | wp_grp_enable:1, | |
227 | default_ecc:2, | |
228 | r2w_factor:3, | |
229 | write_bl_len:4, | |
230 | write_bl_partial:1, | |
231 | rsvd3:5; | |
232 | u8 file_format_grp:1, | |
233 | copy:1, | |
234 | perm_write_protect:1, | |
235 | tmp_write_protect:1, | |
236 | file_format:2, | |
237 | ecc:2; | |
238 | u8 crc:7; | |
239 | u8 one:1; | |
240 | }; | |
241 | ||
272cc70b AF |
242 | struct mmc_cmd { |
243 | ushort cmdidx; | |
244 | uint resp_type; | |
245 | uint cmdarg; | |
0b453ffe | 246 | uint response[4]; |
272cc70b AF |
247 | uint flags; |
248 | }; | |
249 | ||
250 | struct mmc_data { | |
251 | union { | |
252 | char *dest; | |
253 | const char *src; /* src buffers don't get written to */ | |
254 | }; | |
255 | uint flags; | |
256 | uint blocks; | |
257 | uint blocksize; | |
258 | }; | |
259 | ||
260 | struct mmc { | |
261 | struct list_head link; | |
262 | char name[32]; | |
263 | void *priv; | |
264 | uint voltages; | |
265 | uint version; | |
266 | uint f_min; | |
267 | uint f_max; | |
268 | int high_capacity; | |
269 | uint bus_width; | |
270 | uint clock; | |
271 | uint card_caps; | |
272 | uint host_caps; | |
273 | uint ocr; | |
274 | uint scr[2]; | |
275 | uint csd[4]; | |
0b453ffe | 276 | uint cid[4]; |
272cc70b AF |
277 | ushort rca; |
278 | uint tran_speed; | |
279 | uint read_bl_len; | |
280 | uint write_bl_len; | |
281 | u64 capacity; | |
282 | block_dev_desc_t block_dev; | |
283 | int (*send_cmd)(struct mmc *mmc, | |
284 | struct mmc_cmd *cmd, struct mmc_data *data); | |
285 | void (*set_ios)(struct mmc *mmc); | |
286 | int (*init)(struct mmc *mmc); | |
57418d21 | 287 | uint b_max; |
272cc70b AF |
288 | }; |
289 | ||
290 | int mmc_register(struct mmc *mmc); | |
291 | int mmc_initialize(bd_t *bis); | |
292 | int mmc_init(struct mmc *mmc); | |
293 | int mmc_read(struct mmc *mmc, u64 src, uchar *dst, int size); | |
4a6ee172 | 294 | void mmc_set_clock(struct mmc *mmc, uint clock); |
272cc70b | 295 | struct mmc *find_mmc_device(int dev_num); |
89716964 | 296 | int mmc_set_dev(int dev_num); |
272cc70b | 297 | void print_mmc_devices(char separator); |
ea6ebe21 | 298 | int get_mmc_num(void); |
11fdade2 | 299 | int board_mmc_getcd(u8 *cd, struct mmc *mmc); |
272cc70b | 300 | |
1592ef85 RM |
301 | #ifdef CONFIG_GENERIC_MMC |
302 | int atmel_mci_init(void *regs); | |
d52ebf10 TC |
303 | #define mmc_host_is_spi(mmc) ((mmc)->host_caps & MMC_MODE_SPI) |
304 | struct mmc *mmc_spi_init(uint bus, uint cs, uint speed, uint mode); | |
1592ef85 | 305 | #else |
272cc70b AF |
306 | int mmc_legacy_init(int verbose); |
307 | #endif | |
1592ef85 | 308 | |
71f95118 | 309 | #endif /* _MMC_H_ */ |