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Add MMC Framework
[people/ms/u-boot.git] / common / cmd_mmc.c
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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>
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26#include <mmc.h>
27
272cc70b 28#ifndef CONFIG_GENERIC_MMC
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29int do_mmc (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
30{
abb5466c 31 if (mmc_legacy_init (1) != 0) {
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32 printf ("No MMC card found\n");
33 return 1;
34 }
35 return 0;
36}
37
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38U_BOOT_CMD(
39 mmcinit, 1, 0, do_mmc,
2fb2604d 40 "init mmc card",
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41 NULL
42);
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43#endif /* !CONFIG_GENERIC_MMC */
44
45static void print_mmcinfo(struct mmc *mmc)
46{
47 printf("Device: %s\n", mmc->name);
48 printf("Manufacturer ID: %x\n", mmc->cid[0] >> 24);
49 printf("OEM: %x\n", (mmc->cid[0] >> 8) & 0xffff);
50 printf("Name: %c%c%c%c%c \n", mmc->cid[0] & 0xff,
51 (mmc->cid[1] >> 24), (mmc->cid[1] >> 16) & 0xff,
52 (mmc->cid[1] >> 8) & 0xff, mmc->cid[1] & 0xff);
53
54 printf("Tran Speed: %d\n", mmc->tran_speed);
55 printf("Rd Block Len: %d\n", mmc->read_bl_len);
56
57 printf("%s version %d.%d\n", IS_SD(mmc) ? "SD" : "MMC",
58 (mmc->version >> 4) & 0xf, mmc->version & 0xf);
59
60 printf("High Capacity: %s\n", mmc->high_capacity ? "Yes" : "No");
61 printf("Capacity: %lld\n", mmc->capacity);
62
63 printf("Bus Width: %d-bit\n", mmc->bus_width);
64}
65
66int do_mmcinfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
67{
68 struct mmc *mmc;
69 int dev_num;
70
71 if (argc < 2)
72 dev_num = 0;
73 else
74 dev_num = simple_strtoul(argv[1], NULL, 0);
75
76 mmc = find_mmc_device(dev_num);
77
78 if (mmc) {
79 mmc_init(mmc);
80
81 print_mmcinfo(mmc);
82 }
83
84 return 0;
85}
86
87U_BOOT_CMD(mmcinfo, 2, 0, do_mmcinfo, "mmcinfo <dev num>-- display MMC info\n",
88 NULL);
89
90int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
91{
92 int rc = 0;
93
94 switch (argc) {
95 case 3:
96 if (strcmp(argv[1], "rescan") == 0) {
97 int dev = simple_strtoul(argv[2], NULL, 10);
98 struct mmc *mmc = find_mmc_device(dev);
99
100 mmc_init(mmc);
101
102 return 0;
103 }
104
105 case 0:
106 case 1:
107 case 4:
108 printf("Usage:\n%s\n", cmdtp->usage);
109 return 1;
110
111 case 2:
112 if (!strcmp(argv[1], "list")) {
113 print_mmc_devices('\n');
114 return 0;
115 }
116 return 1;
117 default: /* at least 5 args */
118 if (strcmp(argv[1], "read") == 0) {
119 int dev = simple_strtoul(argv[2], NULL, 10);
120 void *addr = (void *)simple_strtoul(argv[3], NULL, 16);
121 u32 cnt = simple_strtoul(argv[5], NULL, 16);
122 u32 n;
123 u32 blk = simple_strtoul(argv[4], NULL, 16);
124 struct mmc *mmc = find_mmc_device(dev);
125
126 printf("\nMMC read: dev # %d, block # %d, count %d ... ",
127 dev, blk, cnt);
128
129 mmc_init(mmc);
130
131 n = mmc->block_dev.block_read(dev, blk, cnt, addr);
132
133 /* flush cache after read */
134 flush_cache((ulong)addr, cnt * 512); //FIXME
135
136 printf("%d blocks read: %s\n",
137 n, (n==cnt) ? "OK" : "ERROR");
138 return (n == cnt) ? 0 : 1;
139 } else if (strcmp(argv[1], "write") == 0) {
140 int dev = simple_strtoul(argv[2], NULL, 10);
141 void *addr = (void *)simple_strtoul(argv[3], NULL, 16);
142 u32 cnt = simple_strtoul(argv[5], NULL, 16);
143 u32 n;
144 struct mmc *mmc = find_mmc_device(dev);
145
146 int blk = simple_strtoul(argv[4], NULL, 16);
147
148 printf("\nMMC write: dev # %d, block # %d, count %d ... ",
149 dev, blk, cnt);
150
151 mmc_init(mmc);
152
153 n = mmc->block_dev.block_write(dev, blk, cnt, addr);
154
155 printf("%d blocks written: %s\n",
156 n, (n == cnt) ? "OK" : "ERROR");
157 return (n == cnt) ? 0 : 1;
158 } else {
159 printf("Usage:\n%s\n", cmdtp->usage);
160 rc = 1;
161 }
162
163 return rc;
164 }
165}
166
167U_BOOT_CMD(
168 mmc, 6, 1, do_mmcops,
169 "mmc - MMC sub system\n",
170 "mmc read <device num> addr blk# cnt\n"
171 "mmc write <device num> addr blk# cnt\n"
172 "mmc rescan <device num>\n"
173 "mmc list - lists available devices\n");