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1 /*
2  * (C) Copyright 2003
3  * Kyle Harris, kharris@nexus-tech.net
4  *
5  * See file CREDITS for list of people who contributed to this
6  * project.
7  *
8  * This program is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU General Public License as
10  * published by the Free Software Foundation; either version 2 of
11  * the License, or (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21  * MA 02111-1307 USA
22  */
23
24 #include <common.h>
25 #include <command.h>
26 #include <mmc.h>
27
28 #ifndef CONFIG_GENERIC_MMC
29 static int curr_device = -1;
30
31 int do_mmc (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
32 {
33         int dev;
34
35         if (argc < 2)
36                 return cmd_usage(cmdtp);
37
38         if (strcmp(argv[1], "init") == 0) {
39                 if (argc == 2) {
40                         if (curr_device < 0)
41                                 dev = 1;
42                         else
43                                 dev = curr_device;
44                 } else if (argc == 3) {
45                         dev = (int)simple_strtoul(argv[2], NULL, 10);
46                 } else {
47                         return cmd_usage(cmdtp);
48                 }
49
50                 if (mmc_legacy_init(dev) != 0) {
51                         puts("No MMC card found\n");
52                         return 1;
53                 }
54
55                 curr_device = dev;
56                 printf("mmc%d is available\n", curr_device);
57         } else if (strcmp(argv[1], "device") == 0) {
58                 if (argc == 2) {
59                         if (curr_device < 0) {
60                                 puts("No MMC device available\n");
61                                 return 1;
62                         }
63                 } else if (argc == 3) {
64                         dev = (int)simple_strtoul(argv[2], NULL, 10);
65
66 #ifdef CONFIG_SYS_MMC_SET_DEV
67                         if (mmc_set_dev(dev) != 0)
68                                 return 1;
69 #endif
70                         curr_device = dev;
71                 } else {
72                         return cmd_usage(cmdtp);
73                 }
74
75                 printf("mmc%d is current device\n", curr_device);
76         } else {
77                 return cmd_usage(cmdtp);
78         }
79
80         return 0;
81 }
82
83 U_BOOT_CMD(
84         mmc, 3, 1, do_mmc,
85         "MMC sub-system",
86         "init [dev] - init MMC sub system\n"
87         "mmc device [dev] - show or set current device"
88 );
89 #else /* !CONFIG_GENERIC_MMC */
90
91 static void print_mmcinfo(struct mmc *mmc)
92 {
93         printf("Device: %s\n", mmc->name);
94         printf("Manufacturer ID: %x\n", mmc->cid[0] >> 24);
95         printf("OEM: %x\n", (mmc->cid[0] >> 8) & 0xffff);
96         printf("Name: %c%c%c%c%c \n", mmc->cid[0] & 0xff,
97                         (mmc->cid[1] >> 24), (mmc->cid[1] >> 16) & 0xff,
98                         (mmc->cid[1] >> 8) & 0xff, mmc->cid[1] & 0xff);
99
100         printf("Tran Speed: %d\n", mmc->tran_speed);
101         printf("Rd Block Len: %d\n", mmc->read_bl_len);
102
103         printf("%s version %d.%d\n", IS_SD(mmc) ? "SD" : "MMC",
104                         (mmc->version >> 4) & 0xf, mmc->version & 0xf);
105
106         printf("High Capacity: %s\n", mmc->high_capacity ? "Yes" : "No");
107         puts("Capacity: ");
108         print_size(mmc->capacity, "\n");
109
110         printf("Bus Width: %d-bit\n", mmc->bus_width);
111 }
112
113 int do_mmcinfo (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
114 {
115         struct mmc *mmc;
116         int dev_num;
117
118         if (argc < 2)
119                 dev_num = 0;
120         else
121                 dev_num = simple_strtoul(argv[1], NULL, 0);
122
123         mmc = find_mmc_device(dev_num);
124
125         if (mmc) {
126                 mmc_init(mmc);
127
128                 print_mmcinfo(mmc);
129         }
130
131         return 0;
132 }
133
134 U_BOOT_CMD(
135         mmcinfo, 2, 0, do_mmcinfo,
136         "display MMC info",
137         "<dev num>\n"
138         "    - device number of the device to dislay info of\n"
139         ""
140 );
141
142 int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
143 {
144         int rc = 0;
145
146         switch (argc) {
147         case 3:
148                 if (strcmp(argv[1], "rescan") == 0) {
149                         int dev = simple_strtoul(argv[2], NULL, 10);
150                         struct mmc *mmc = find_mmc_device(dev);
151
152                         if (!mmc)
153                                 return 1;
154
155                         mmc_init(mmc);
156
157                         return 0;
158                 } else if (strncmp(argv[1], "part", 4) == 0) {
159                         int dev = simple_strtoul(argv[2], NULL, 10);
160                         block_dev_desc_t *mmc_dev;
161                         struct mmc *mmc = find_mmc_device(dev);
162
163                         if (!mmc) {
164                                 puts("no mmc devices available\n");
165                                 return 1;
166                         }
167                         mmc_init(mmc);
168                         mmc_dev = mmc_get_dev(dev);
169                         if (mmc_dev != NULL &&
170                             mmc_dev->type != DEV_TYPE_UNKNOWN) {
171                                 print_part(mmc_dev);
172                                 return 0;
173                         }
174
175                         puts("get mmc type error!\n");
176                         return 1;
177                 }
178
179         case 0:
180         case 1:
181         case 4:
182                 return cmd_usage(cmdtp);
183
184         case 2:
185                 if (!strcmp(argv[1], "list")) {
186                         print_mmc_devices('\n');
187                         return 0;
188                 }
189                 return 1;
190         default: /* at least 5 args */
191                 if (strcmp(argv[1], "read") == 0) {
192                         int dev = simple_strtoul(argv[2], NULL, 10);
193                         void *addr = (void *)simple_strtoul(argv[3], NULL, 16);
194                         u32 cnt = simple_strtoul(argv[5], NULL, 16);
195                         u32 n;
196                         u32 blk = simple_strtoul(argv[4], NULL, 16);
197                         struct mmc *mmc = find_mmc_device(dev);
198
199                         if (!mmc)
200                                 return 1;
201
202                         printf("\nMMC read: dev # %d, block # %d, count %d ... ",
203                                 dev, blk, cnt);
204
205                         mmc_init(mmc);
206
207                         n = mmc->block_dev.block_read(dev, blk, cnt, addr);
208
209                         /* flush cache after read */
210                         flush_cache((ulong)addr, cnt * 512); /* FIXME */
211
212                         printf("%d blocks read: %s\n",
213                                 n, (n==cnt) ? "OK" : "ERROR");
214                         return (n == cnt) ? 0 : 1;
215                 } else if (strcmp(argv[1], "write") == 0) {
216                         int dev = simple_strtoul(argv[2], NULL, 10);
217                         void *addr = (void *)simple_strtoul(argv[3], NULL, 16);
218                         u32 cnt = simple_strtoul(argv[5], NULL, 16);
219                         u32 n;
220                         struct mmc *mmc = find_mmc_device(dev);
221
222                         int blk = simple_strtoul(argv[4], NULL, 16);
223
224                         if (!mmc)
225                                 return 1;
226
227                         printf("\nMMC write: dev # %d, block # %d, count %d ... ",
228                                 dev, blk, cnt);
229
230                         mmc_init(mmc);
231
232                         n = mmc->block_dev.block_write(dev, blk, cnt, addr);
233
234                         printf("%d blocks written: %s\n",
235                                 n, (n == cnt) ? "OK" : "ERROR");
236                         return (n == cnt) ? 0 : 1;
237                 } else
238                         rc = cmd_usage(cmdtp);
239
240                 return rc;
241         }
242 }
243
244 U_BOOT_CMD(
245         mmc, 6, 1, do_mmcops,
246         "MMC sub system",
247         "read <device num> addr blk# cnt\n"
248         "mmc write <device num> addr blk# cnt\n"
249         "mmc rescan <device num>\n"
250         "mmc part <device num> - lists available partition on mmc\n"
251         "mmc list - lists available devices");
252 #endif