various cmd_* files: remove the command name from the help message
[platform/kernel/u-boot.git] / common / cmd_mmc.c
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         printf("Capacity: %lld\n", mmc->capacity);
108
109         printf("Bus Width: %d-bit\n", mmc->bus_width);
110 }
111
112 int do_mmcinfo (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
113 {
114         struct mmc *mmc;
115         int dev_num;
116
117         if (argc < 2)
118                 dev_num = 0;
119         else
120                 dev_num = simple_strtoul(argv[1], NULL, 0);
121
122         mmc = find_mmc_device(dev_num);
123
124         if (mmc) {
125                 mmc_init(mmc);
126
127                 print_mmcinfo(mmc);
128         }
129
130         return 0;
131 }
132
133 U_BOOT_CMD(mmcinfo, 2, 0, do_mmcinfo,
134         "display MMC info",
135         "<dev num>\n
136         "    - device number of the device to dislay info of\n"
137         ""
138 );
139
140 int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
141 {
142         int rc = 0;
143
144         switch (argc) {
145         case 3:
146                 if (strcmp(argv[1], "rescan") == 0) {
147                         int dev = simple_strtoul(argv[2], NULL, 10);
148                         struct mmc *mmc = find_mmc_device(dev);
149
150                         if (!mmc)
151                                 return 1;
152
153                         mmc_init(mmc);
154
155                         return 0;
156                 }
157
158         case 0:
159         case 1:
160         case 4:
161                 printf("Usage:\n%s\n", cmdtp->usage);
162                 return 1;
163
164         case 2:
165                 if (!strcmp(argv[1], "list")) {
166                         print_mmc_devices('\n');
167                         return 0;
168                 }
169                 return 1;
170         default: /* at least 5 args */
171                 if (strcmp(argv[1], "read") == 0) {
172                         int dev = simple_strtoul(argv[2], NULL, 10);
173                         void *addr = (void *)simple_strtoul(argv[3], NULL, 16);
174                         u32 cnt = simple_strtoul(argv[5], NULL, 16);
175                         u32 n;
176                         u32 blk = simple_strtoul(argv[4], NULL, 16);
177                         struct mmc *mmc = find_mmc_device(dev);
178
179                         if (!mmc)
180                                 return 1;
181
182                         printf("\nMMC read: dev # %d, block # %d, count %d ... ",
183                                 dev, blk, cnt);
184
185                         mmc_init(mmc);
186
187                         n = mmc->block_dev.block_read(dev, blk, cnt, addr);
188
189                         /* flush cache after read */
190                         flush_cache((ulong)addr, cnt * 512); /* FIXME */
191
192                         printf("%d blocks read: %s\n",
193                                 n, (n==cnt) ? "OK" : "ERROR");
194                         return (n == cnt) ? 0 : 1;
195                 } else if (strcmp(argv[1], "write") == 0) {
196                         int dev = simple_strtoul(argv[2], NULL, 10);
197                         void *addr = (void *)simple_strtoul(argv[3], NULL, 16);
198                         u32 cnt = simple_strtoul(argv[5], NULL, 16);
199                         u32 n;
200                         struct mmc *mmc = find_mmc_device(dev);
201
202                         int blk = simple_strtoul(argv[4], NULL, 16);
203
204                         if (!mmc)
205                                 return 1;
206
207                         printf("\nMMC write: dev # %d, block # %d, count %d ... ",
208                                 dev, blk, cnt);
209
210                         mmc_init(mmc);
211
212                         n = mmc->block_dev.block_write(dev, blk, cnt, addr);
213
214                         printf("%d blocks written: %s\n",
215                                 n, (n == cnt) ? "OK" : "ERROR");
216                         return (n == cnt) ? 0 : 1;
217                 } else {
218                         printf("Usage:\n%s\n", cmdtp->usage);
219                         rc = 1;
220                 }
221
222                 return rc;
223         }
224 }
225
226 U_BOOT_CMD(
227         mmc, 6, 1, do_mmcops,
228         "MMC sub system",
229         "read <device num> addr blk# cnt\n"
230         "mmc write <device num> addr blk# cnt\n"
231         "mmc rescan <device num>\n"
232         "mmc list - lists available devices");
233 #endif