blob: 0e3393b5f44b9d5c7f4b4869658101e1574cd646 [file] [log] [blame]
wdenk71f95112003-06-15 22:40:42 +00001/*
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>
wdenk71f95112003-06-15 22:40:42 +000026#include <mmc.h>
27
Andy Fleming272cc702008-10-30 16:41:01 -050028#ifndef CONFIG_GENERIC_MMC
Mike Frysinger02e22c22009-06-14 21:35:21 -040029static int curr_device = -1;
Minkyu Kang869f6bf2009-03-30 14:55:51 +090030
wdenk71f95112003-06-15 22:40:42 +000031int do_mmc (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
32{
Minkyu Kang869f6bf2009-03-30 14:55:51 +090033 int dev;
34
35 if (argc < 2) {
36 cmd_usage(cmdtp);
wdenk71f95112003-06-15 22:40:42 +000037 return 1;
38 }
Minkyu Kang869f6bf2009-03-30 14:55:51 +090039
40 if (strcmp(argv[1], "init") == 0) {
41 if (argc == 2) {
42 if (curr_device < 0)
43 dev = 1;
44 else
45 dev = curr_device;
46 } else if (argc == 3) {
47 dev = (int)simple_strtoul(argv[2], NULL, 10);
48 } else {
49 cmd_usage(cmdtp);
50 return 1;
51 }
52
53 if (mmc_legacy_init(dev) != 0) {
54 puts("No MMC card found\n");
55 return 1;
56 }
57
58 curr_device = dev;
59 printf("mmc%d is available\n", curr_device);
60 } else if (strcmp(argv[1], "device") == 0) {
61 if (argc == 2) {
62 if (curr_device < 0) {
63 puts("No MMC device available\n");
64 return 1;
65 }
66 } else if (argc == 3) {
67 dev = (int)simple_strtoul(argv[2], NULL, 10);
68
69#ifdef CONFIG_SYS_MMC_SET_DEV
70 if (mmc_set_dev(dev) != 0)
71 return 1;
72#endif
73 curr_device = dev;
74 } else {
75 cmd_usage(cmdtp);
76 return 1;
77 }
78
79 printf("mmc%d is current device\n", curr_device);
80 } else {
81 cmd_usage(cmdtp);
82 return 1;
83 }
84
wdenk71f95112003-06-15 22:40:42 +000085 return 0;
86}
87
wdenk0d498392003-07-01 21:06:45 +000088U_BOOT_CMD(
Minkyu Kang869f6bf2009-03-30 14:55:51 +090089 mmc, 3, 1, do_mmc,
90 "MMC sub-system",
91 "init [dev] - init MMC sub system\n"
Wolfgang Denka89c33d2009-05-24 17:06:54 +020092 "mmc device [dev] - show or set current device"
wdenkb0fce992003-06-29 21:03:46 +000093);
Dirk Behme3511b4e2009-02-18 19:59:39 +010094#else /* !CONFIG_GENERIC_MMC */
Andy Fleming272cc702008-10-30 16:41:01 -050095
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 printf("Capacity: %lld\n", mmc->capacity);
113
114 printf("Bus Width: %d-bit\n", mmc->bus_width);
115}
116
117int do_mmcinfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
118{
119 struct mmc *mmc;
120 int dev_num;
121
122 if (argc < 2)
123 dev_num = 0;
124 else
125 dev_num = simple_strtoul(argv[1], NULL, 0);
126
127 mmc = find_mmc_device(dev_num);
128
129 if (mmc) {
130 mmc_init(mmc);
131
132 print_mmcinfo(mmc);
133 }
134
135 return 0;
136}
137
Wolfgang Denka89c33d2009-05-24 17:06:54 +0200138U_BOOT_CMD(mmcinfo, 2, 0, do_mmcinfo,
139 "mmcinfo <dev num>-- display MMC info\n",
140 ""
141);
Andy Fleming272cc702008-10-30 16:41:01 -0500142
143int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
144{
145 int rc = 0;
146
147 switch (argc) {
148 case 3:
149 if (strcmp(argv[1], "rescan") == 0) {
150 int dev = simple_strtoul(argv[2], NULL, 10);
151 struct mmc *mmc = find_mmc_device(dev);
152
Rabin Vincente85649c2009-04-05 13:30:53 +0530153 if (!mmc)
154 return 1;
155
Andy Fleming272cc702008-10-30 16:41:01 -0500156 mmc_init(mmc);
157
158 return 0;
159 }
160
161 case 0:
162 case 1:
163 case 4:
164 printf("Usage:\n%s\n", cmdtp->usage);
165 return 1;
166
167 case 2:
168 if (!strcmp(argv[1], "list")) {
169 print_mmc_devices('\n');
170 return 0;
171 }
172 return 1;
173 default: /* at least 5 args */
174 if (strcmp(argv[1], "read") == 0) {
175 int dev = simple_strtoul(argv[2], NULL, 10);
176 void *addr = (void *)simple_strtoul(argv[3], NULL, 16);
177 u32 cnt = simple_strtoul(argv[5], NULL, 16);
178 u32 n;
179 u32 blk = simple_strtoul(argv[4], NULL, 16);
180 struct mmc *mmc = find_mmc_device(dev);
181
Rabin Vincente85649c2009-04-05 13:30:53 +0530182 if (!mmc)
183 return 1;
184
Andy Fleming272cc702008-10-30 16:41:01 -0500185 printf("\nMMC read: dev # %d, block # %d, count %d ... ",
186 dev, blk, cnt);
187
188 mmc_init(mmc);
189
190 n = mmc->block_dev.block_read(dev, blk, cnt, addr);
191
192 /* flush cache after read */
Wolfgang Denk1bba30e2009-02-19 00:41:08 +0100193 flush_cache((ulong)addr, cnt * 512); /* FIXME */
Andy Fleming272cc702008-10-30 16:41:01 -0500194
195 printf("%d blocks read: %s\n",
196 n, (n==cnt) ? "OK" : "ERROR");
197 return (n == cnt) ? 0 : 1;
198 } else if (strcmp(argv[1], "write") == 0) {
199 int dev = simple_strtoul(argv[2], NULL, 10);
200 void *addr = (void *)simple_strtoul(argv[3], NULL, 16);
201 u32 cnt = simple_strtoul(argv[5], NULL, 16);
202 u32 n;
203 struct mmc *mmc = find_mmc_device(dev);
204
205 int blk = simple_strtoul(argv[4], NULL, 16);
206
Rabin Vincente85649c2009-04-05 13:30:53 +0530207 if (!mmc)
208 return 1;
209
Andy Fleming272cc702008-10-30 16:41:01 -0500210 printf("\nMMC write: dev # %d, block # %d, count %d ... ",
211 dev, blk, cnt);
212
213 mmc_init(mmc);
214
215 n = mmc->block_dev.block_write(dev, blk, cnt, addr);
216
217 printf("%d blocks written: %s\n",
218 n, (n == cnt) ? "OK" : "ERROR");
219 return (n == cnt) ? 0 : 1;
220 } else {
221 printf("Usage:\n%s\n", cmdtp->usage);
222 rc = 1;
223 }
224
225 return rc;
226 }
227}
228
229U_BOOT_CMD(
230 mmc, 6, 1, do_mmcops,
Mike Frysinger852dbfd2009-03-23 22:27:34 -0400231 "MMC sub system",
Rabin Vincentac0865f2009-04-05 13:30:52 +0530232 "read <device num> addr blk# cnt\n"
Andy Fleming272cc702008-10-30 16:41:01 -0500233 "mmc write <device num> addr blk# cnt\n"
234 "mmc rescan <device num>\n"
Wolfgang Denka89c33d2009-05-24 17:06:54 +0200235 "mmc list - lists available devices");
Dirk Behme3511b4e2009-02-18 19:59:39 +0100236#endif