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24#include <common.h>
25#include <command.h>
26#include <mmc.h>
27
28static int curr_device = -1;
29#ifndef CONFIG_GENERIC_MMC
30int do_mmc (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
31{
32 int dev;
33
34 if (argc < 2)
35 return cmd_usage(cmdtp);
36
37 if (strcmp(argv[1], "init") == 0) {
38 if (argc == 2) {
39 if (curr_device < 0)
40 dev = 1;
41 else
42 dev = curr_device;
43 } else if (argc == 3) {
44 dev = (int)simple_strtoul(argv[2], NULL, 10);
45 } else {
46 return cmd_usage(cmdtp);
47 }
48
49 if (mmc_legacy_init(dev) != 0) {
50 puts("No MMC card found\n");
51 return 1;
52 }
53
54 curr_device = dev;
55 printf("mmc%d is available\n", curr_device);
56 } else if (strcmp(argv[1], "device") == 0) {
57 if (argc == 2) {
58 if (curr_device < 0) {
59 puts("No MMC device available\n");
60 return 1;
61 }
62 } else if (argc == 3) {
63 dev = (int)simple_strtoul(argv[2], NULL, 10);
64
65#ifdef CONFIG_SYS_MMC_SET_DEV
66 if (mmc_set_dev(dev) != 0)
67 return 1;
68#endif
69 curr_device = dev;
70 } else {
71 return cmd_usage(cmdtp);
72 }
73
74 printf("mmc%d is current device\n", curr_device);
75 } else {
76 return cmd_usage(cmdtp);
77 }
78
79 return 0;
80}
81
82U_BOOT_CMD(
83 mmc, 3, 1, do_mmc,
84 "MMC sub-system",
85 "init [dev] - init MMC sub system\n"
86 "mmc device [dev] - show or set current device"
87);
88#else
89
90enum mmc_state {
91 MMC_INVALID,
92 MMC_READ,
93 MMC_WRITE,
94 MMC_ERASE,
95};
96static void print_mmcinfo(struct mmc *mmc)
97{
98 printf("Device: %s\n", mmc->name);
99 printf("Manufacturer ID: %x\n", mmc->cid[0] >> 24);
100 printf("OEM: %x\n", (mmc->cid[0] >> 8) & 0xffff);
101 printf("Name: %c%c%c%c%c \n", mmc->cid[0] & 0xff,
102 (mmc->cid[1] >> 24), (mmc->cid[1] >> 16) & 0xff,
103 (mmc->cid[1] >> 8) & 0xff, mmc->cid[1] & 0xff);
104
105 printf("Tran Speed: %d\n", mmc->tran_speed);
106 printf("Rd Block Len: %d\n", mmc->read_bl_len);
107
108 printf("%s version %d.%d\n", IS_SD(mmc) ? "SD" : "MMC",
109 (mmc->version >> 4) & 0xf, mmc->version & 0xf);
110
111 printf("High Capacity: %s\n", mmc->high_capacity ? "Yes" : "No");
112 puts("Capacity: ");
113 print_size(mmc->capacity, "\n");
114
115 printf("Bus Width: %d-bit\n", mmc->bus_width);
116}
117
118int do_mmcinfo (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
119{
120 struct mmc *mmc;
121
122 if (curr_device < 0) {
123 if (get_mmc_num() > 0)
124 curr_device = 0;
125 else {
126 puts("No MMC device available\n");
127 return 1;
128 }
129 }
130
131 mmc = find_mmc_device(curr_device);
132
133 if (mmc) {
134 mmc_init(mmc);
135
136 print_mmcinfo(mmc);
137 return 0;
138 } else {
139 printf("no mmc device at slot %x\n", curr_device);
140 return 1;
141 }
142}
143
144U_BOOT_CMD(
145 mmcinfo, 1, 0, do_mmcinfo,
146 "display MMC info",
147 " - device number of the device to dislay info of\n"
148 ""
149);
150
151int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
152{
153 enum mmc_state state;
154
155 if (argc < 2)
156 return cmd_usage(cmdtp);
157
158 if (curr_device < 0) {
159 if (get_mmc_num() > 0)
160 curr_device = 0;
161 else {
162 puts("No MMC device available\n");
163 return 1;
164 }
165 }
166
167 if (strcmp(argv[1], "rescan") == 0) {
168 struct mmc *mmc = find_mmc_device(curr_device);
169
170 if (!mmc) {
171 printf("no mmc device at slot %x\n", curr_device);
172 return 1;
173 }
174
175 mmc->has_init = 0;
176
177 if (mmc_init(mmc))
178 return 1;
179 else
180 return 0;
181 } else if (strncmp(argv[1], "part", 4) == 0) {
182 block_dev_desc_t *mmc_dev;
183 struct mmc *mmc = find_mmc_device(curr_device);
184
185 if (!mmc) {
186 printf("no mmc device at slot %x\n", curr_device);
187 return 1;
188 }
189 mmc_init(mmc);
190 mmc_dev = mmc_get_dev(curr_device);
191 if (mmc_dev != NULL &&
192 mmc_dev->type != DEV_TYPE_UNKNOWN) {
193 print_part(mmc_dev);
194 return 0;
195 }
196
197 puts("get mmc type error!\n");
198 return 1;
199 } else if (strcmp(argv[1], "list") == 0) {
200 print_mmc_devices('\n');
201 return 0;
202 } else if (strcmp(argv[1], "dev") == 0) {
203 int dev, part = -1;
204 struct mmc *mmc;
205
206 if (argc == 2)
207 dev = curr_device;
208 else if (argc == 3)
209 dev = simple_strtoul(argv[2], NULL, 10);
210 else if (argc == 4) {
211 dev = (int)simple_strtoul(argv[2], NULL, 10);
212 part = (int)simple_strtoul(argv[3], NULL, 10);
213 if (part > PART_ACCESS_MASK) {
214 printf("#part_num shouldn't be larger"
215 " than %d\n", PART_ACCESS_MASK);
216 return 1;
217 }
218 } else
219 return cmd_usage(cmdtp);
220
221 mmc = find_mmc_device(dev);
222 if (!mmc) {
223 printf("no mmc device at slot %x\n", dev);
224 return 1;
225 }
226
227 mmc_init(mmc);
228 if (part != -1) {
229 int ret;
230 if (mmc->part_config == MMCPART_NOAVAILABLE) {
231 printf("Card doesn't support part_switch\n");
232 return 1;
233 }
234
235 if (part != mmc->part_num) {
236 ret = mmc_switch_part(dev, part);
237 if (!ret)
238 mmc->part_num = part;
239
240 printf("switch to partions #%d, %s\n",
241 part, (!ret) ? "OK" : "ERROR");
242 }
243 }
244 curr_device = dev;
245 if (mmc->part_config == MMCPART_NOAVAILABLE)
246 printf("mmc%d is current device\n", curr_device);
247 else
248 printf("mmc%d(part %d) is current device\n",
249 curr_device, mmc->part_num);
250
251 return 0;
252 }
253
254 if (strcmp(argv[1], "read") == 0)
255 state = MMC_READ;
256 else if (strcmp(argv[1], "write") == 0)
257 state = MMC_WRITE;
258 else if (strcmp(argv[1], "erase") == 0)
259 state = MMC_ERASE;
260 else
261 state = MMC_INVALID;
262
263 if (state != MMC_INVALID) {
264 struct mmc *mmc = find_mmc_device(curr_device);
265 int idx = 2;
266 u32 blk, cnt, n;
267 void *addr;
268
269 if (state != MMC_ERASE) {
270 addr = (void *)simple_strtoul(argv[idx], NULL, 16);
271 ++idx;
272 } else
273 addr = 0;
274 blk = simple_strtoul(argv[idx], NULL, 16);
275 cnt = simple_strtoul(argv[idx + 1], NULL, 16);
276
277 if (!mmc) {
278 printf("no mmc device at slot %x\n", curr_device);
279 return 1;
280 }
281
282 printf("\nMMC %s: dev # %d, block # %d, count %d ... ",
283 argv[1], curr_device, blk, cnt);
284
285 mmc_init(mmc);
286
287 switch (state) {
288 case MMC_READ:
289 n = mmc->block_dev.block_read(curr_device, blk,
290 cnt, addr);
291
292 flush_cache((ulong)addr, cnt * 512);
293 break;
294 case MMC_WRITE:
295 n = mmc->block_dev.block_write(curr_device, blk,
296 cnt, addr);
297 break;
298 case MMC_ERASE:
299 n = mmc->block_dev.block_erase(curr_device, blk, cnt);
300 break;
301 default:
302 BUG();
303 }
304
305 printf("%d blocks %s: %s\n",
306 n, argv[1], (n == cnt) ? "OK" : "ERROR");
307 return (n == cnt) ? 0 : 1;
308 }
309
310 return cmd_usage(cmdtp);
311}
312
313U_BOOT_CMD(
314 mmc, 6, 1, do_mmcops,
315 "MMC sub system",
316 "read addr blk# cnt\n"
317 "mmc write addr blk# cnt\n"
318 "mmc erase blk# cnt\n"
319 "mmc rescan\n"
320 "mmc part - lists available partition on current mmc device\n"
321 "mmc dev [dev] [part] - show or set current mmc device [partition]\n"
322 "mmc list - lists available devices");
323#endif
324
