+int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ int rc = 0;
+
+ switch (argc) {
+ case 3:
+ if (strcmp(argv[1], "rescan") == 0) {
+ int dev = simple_strtoul(argv[2], NULL, 10);
+ struct mmc *mmc = find_mmc_device(dev);
+
+ if (!mmc)
+ return 1;
+
+ mmc_init(mmc);
+
+ return 0;
+ } else if (strncmp(argv[1], "part", 4) == 0) {
+ int dev = simple_strtoul(argv[2], NULL, 10);
+ block_dev_desc_t *mmc_dev;
+ struct mmc *mmc = find_mmc_device(dev);
+
+ if (!mmc) {
+ puts("no mmc devices available\n");
+ return 1;
+ }
+ mmc_init(mmc);
+ mmc_dev = mmc_get_dev(dev);
+ if (mmc_dev != NULL &&
+ mmc_dev->type != DEV_TYPE_UNKNOWN) {
+ print_part(mmc_dev);
+ return 0;
+ }
+
+ puts("get mmc type error!\n");
+ return 1;
+ }
+
+ case 0:
+ case 1:
+ case 4:
+ return cmd_usage(cmdtp);
+
+ case 2:
+ if (!strcmp(argv[1], "list")) {
+ print_mmc_devices('\n');
+ return 0;
+ }
+ return 1;
+ default: /* at least 5 args */
+ if (strcmp(argv[1], "read") == 0) {
+ int dev = simple_strtoul(argv[2], NULL, 10);
+ void *addr = (void *)simple_strtoul(argv[3], NULL, 16);
+ u32 cnt = simple_strtoul(argv[5], NULL, 16);
+ u32 n;
+ u32 blk = simple_strtoul(argv[4], NULL, 16);
+ struct mmc *mmc = find_mmc_device(dev);
+
+ if (!mmc)
+ return 1;
+
+ printf("\nMMC read: dev # %d, block # %d, count %d ... ",
+ dev, blk, cnt);
+
+ mmc_init(mmc);
+
+ n = mmc->block_dev.block_read(dev, blk, cnt, addr);
+
+ /* flush cache after read */
+ flush_cache((ulong)addr, cnt * 512); /* FIXME */
+
+ printf("%d blocks read: %s\n",
+ n, (n==cnt) ? "OK" : "ERROR");
+ return (n == cnt) ? 0 : 1;
+ } else if (strcmp(argv[1], "write") == 0) {
+ int dev = simple_strtoul(argv[2], NULL, 10);
+ void *addr = (void *)simple_strtoul(argv[3], NULL, 16);
+ u32 cnt = simple_strtoul(argv[5], NULL, 16);
+ u32 n;
+ struct mmc *mmc = find_mmc_device(dev);
+
+ int blk = simple_strtoul(argv[4], NULL, 16);
+
+ if (!mmc)
+ return 1;
+
+ printf("\nMMC write: dev # %d, block # %d, count %d ... ",
+ dev, blk, cnt);
+
+ mmc_init(mmc);
+
+ n = mmc->block_dev.block_write(dev, blk, cnt, addr);
+
+ printf("%d blocks written: %s\n",
+ n, (n == cnt) ? "OK" : "ERROR");
+ return (n == cnt) ? 0 : 1;
+ } else
+ rc = cmd_usage(cmdtp);
+
+ return rc;
+ }
+}
+
+U_BOOT_CMD(
+ mmc, 6, 1, do_mmcops,
+ "MMC sub system",
+ "read <device num> addr blk# cnt\n"
+ "mmc write <device num> addr blk# cnt\n"
+ "mmc rescan <device num>\n"
+ "mmc part <device num> - lists available partition on mmc\n"
+ "mmc list - lists available devices");
+#endif