| /* |
| * (C) Copyright 2003 |
| * Kyle Harris, kharris@nexus-tech.net |
| * |
| * See file CREDITS for list of people who contributed to this |
| * project. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation; either version 2 of |
| * the License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| * MA 02111-1307 USA |
| */ |
| |
| #include <common.h> |
| #include <command.h> |
| #include <mmc.h> |
| |
| static int curr_device = -1; |
| #ifndef CONFIG_GENERIC_MMC |
| int do_mmc (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) |
| { |
| int dev; |
| |
| if (argc < 2) |
| return CMD_RET_USAGE; |
| |
| if (strcmp(argv[1], "init") == 0) { |
| if (argc == 2) { |
| if (curr_device < 0) |
| dev = 1; |
| else |
| dev = curr_device; |
| } else if (argc == 3) { |
| dev = (int)simple_strtoul(argv[2], NULL, 10); |
| } else { |
| return CMD_RET_USAGE; |
| } |
| |
| if (mmc_legacy_init(dev) != 0) { |
| puts("No MMC card found\n"); |
| return 1; |
| } |
| |
| curr_device = dev; |
| printf("mmc%d is available\n", curr_device); |
| } else if (strcmp(argv[1], "device") == 0) { |
| if (argc == 2) { |
| if (curr_device < 0) { |
| puts("No MMC device available\n"); |
| return 1; |
| } |
| } else if (argc == 3) { |
| dev = (int)simple_strtoul(argv[2], NULL, 10); |
| |
| #ifdef CONFIG_SYS_MMC_SET_DEV |
| if (mmc_set_dev(dev) != 0) |
| return 1; |
| #endif |
| curr_device = dev; |
| } else { |
| return CMD_RET_USAGE; |
| } |
| |
| printf("mmc%d is current device\n", curr_device); |
| } else { |
| return CMD_RET_USAGE; |
| } |
| |
| return 0; |
| } |
| |
| U_BOOT_CMD( |
| mmc, 3, 1, do_mmc, |
| "MMC sub-system", |
| "init [dev] - init MMC sub system\n" |
| "mmc device [dev] - show or set current device" |
| ); |
| #else /* !CONFIG_GENERIC_MMC */ |
| |
| enum mmc_state { |
| MMC_INVALID, |
| MMC_READ, |
| MMC_WRITE, |
| MMC_ERASE, |
| }; |
| static void print_mmcinfo(struct mmc *mmc) |
| { |
| printf("Device: %s\n", mmc->name); |
| printf("Manufacturer ID: %x\n", mmc->cid[0] >> 24); |
| printf("OEM: %x\n", (mmc->cid[0] >> 8) & 0xffff); |
| printf("Name: %c%c%c%c%c \n", mmc->cid[0] & 0xff, |
| (mmc->cid[1] >> 24), (mmc->cid[1] >> 16) & 0xff, |
| (mmc->cid[1] >> 8) & 0xff, mmc->cid[1] & 0xff); |
| |
| printf("Tran Speed: %d\n", mmc->tran_speed); |
| printf("Rd Block Len: %d\n", mmc->read_bl_len); |
| |
| printf("%s version %d.%d\n", IS_SD(mmc) ? "SD" : "MMC", |
| (mmc->version >> 4) & 0xf, mmc->version & 0xf); |
| |
| printf("High Capacity: %s\n", mmc->high_capacity ? "Yes" : "No"); |
| puts("Capacity: "); |
| print_size(mmc->capacity, "\n"); |
| |
| printf("Bus Width: %d-bit\n", mmc->bus_width); |
| } |
| |
| static int do_mmcinfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) |
| { |
| struct mmc *mmc; |
| |
| if (curr_device < 0) { |
| if (get_mmc_num() > 0) |
| curr_device = 0; |
| else { |
| puts("No MMC device available\n"); |
| return 1; |
| } |
| } |
| |
| mmc = find_mmc_device(curr_device); |
| |
| if (mmc) { |
| mmc_init(mmc); |
| |
| print_mmcinfo(mmc); |
| return 0; |
| } else { |
| printf("no mmc device at slot %x\n", curr_device); |
| return 1; |
| } |
| } |
| |
| U_BOOT_CMD( |
| mmcinfo, 1, 0, do_mmcinfo, |
| "display MMC info", |
| "- display info of the current MMC device" |
| ); |
| |
| static int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) |
| { |
| enum mmc_state state; |
| |
| if (argc < 2) |
| return CMD_RET_USAGE; |
| |
| if (curr_device < 0) { |
| if (get_mmc_num() > 0) |
| curr_device = 0; |
| else { |
| puts("No MMC device available\n"); |
| return 1; |
| } |
| } |
| |
| if (strcmp(argv[1], "rescan") == 0) { |
| struct mmc *mmc = find_mmc_device(curr_device); |
| |
| if (!mmc) { |
| printf("no mmc device at slot %x\n", curr_device); |
| return 1; |
| } |
| |
| mmc->has_init = 0; |
| |
| if (mmc_init(mmc)) |
| return 1; |
| else |
| return 0; |
| } else if (strncmp(argv[1], "part", 4) == 0) { |
| block_dev_desc_t *mmc_dev; |
| struct mmc *mmc = find_mmc_device(curr_device); |
| |
| if (!mmc) { |
| printf("no mmc device at slot %x\n", curr_device); |
| return 1; |
| } |
| mmc_init(mmc); |
| mmc_dev = mmc_get_dev(curr_device); |
| if (mmc_dev != NULL && |
| mmc_dev->type != DEV_TYPE_UNKNOWN) { |
| print_part(mmc_dev); |
| return 0; |
| } |
| |
| puts("get mmc type error!\n"); |
| return 1; |
| } else if (strcmp(argv[1], "list") == 0) { |
| print_mmc_devices('\n'); |
| return 0; |
| } else if (strcmp(argv[1], "dev") == 0) { |
| int dev, part = -1; |
| struct mmc *mmc; |
| |
| if (argc == 2) |
| dev = curr_device; |
| else if (argc == 3) |
| dev = simple_strtoul(argv[2], NULL, 10); |
| else if (argc == 4) { |
| dev = (int)simple_strtoul(argv[2], NULL, 10); |
| part = (int)simple_strtoul(argv[3], NULL, 10); |
| if (part > PART_ACCESS_MASK) { |
| printf("#part_num shouldn't be larger" |
| " than %d\n", PART_ACCESS_MASK); |
| return 1; |
| } |
| } else |
| return CMD_RET_USAGE; |
| |
| mmc = find_mmc_device(dev); |
| if (!mmc) { |
| printf("no mmc device at slot %x\n", dev); |
| return 1; |
| } |
| |
| mmc_init(mmc); |
| if (part != -1) { |
| int ret; |
| if (mmc->part_config == MMCPART_NOAVAILABLE) { |
| printf("Card doesn't support part_switch\n"); |
| return 1; |
| } |
| |
| if (part != mmc->part_num) { |
| ret = mmc_switch_part(dev, part); |
| if (!ret) |
| mmc->part_num = part; |
| |
| printf("switch to partions #%d, %s\n", |
| part, (!ret) ? "OK" : "ERROR"); |
| } |
| } |
| curr_device = dev; |
| if (mmc->part_config == MMCPART_NOAVAILABLE) |
| printf("mmc%d is current device\n", curr_device); |
| else |
| printf("mmc%d(part %d) is current device\n", |
| curr_device, mmc->part_num); |
| |
| return 0; |
| } |
| |
| if (strcmp(argv[1], "read") == 0) |
| state = MMC_READ; |
| else if (strcmp(argv[1], "write") == 0) |
| state = MMC_WRITE; |
| else if (strcmp(argv[1], "erase") == 0) |
| state = MMC_ERASE; |
| else |
| state = MMC_INVALID; |
| |
| if (state != MMC_INVALID) { |
| struct mmc *mmc = find_mmc_device(curr_device); |
| int idx = 2; |
| u32 blk, cnt, n; |
| void *addr; |
| |
| if (state != MMC_ERASE) { |
| addr = (void *)simple_strtoul(argv[idx], NULL, 16); |
| ++idx; |
| } else |
| addr = NULL; |
| blk = simple_strtoul(argv[idx], NULL, 16); |
| cnt = simple_strtoul(argv[idx + 1], NULL, 16); |
| |
| if (!mmc) { |
| printf("no mmc device at slot %x\n", curr_device); |
| return 1; |
| } |
| |
| printf("\nMMC %s: dev # %d, block # %d, count %d ... ", |
| argv[1], curr_device, blk, cnt); |
| |
| mmc_init(mmc); |
| |
| switch (state) { |
| case MMC_READ: |
| n = mmc->block_dev.block_read(curr_device, blk, |
| cnt, addr); |
| /* flush cache after read */ |
| flush_cache((ulong)addr, cnt * 512); /* FIXME */ |
| break; |
| case MMC_WRITE: |
| n = mmc->block_dev.block_write(curr_device, blk, |
| cnt, addr); |
| break; |
| case MMC_ERASE: |
| n = mmc->block_dev.block_erase(curr_device, blk, cnt); |
| break; |
| default: |
| BUG(); |
| } |
| |
| printf("%d blocks %s: %s\n", |
| n, argv[1], (n == cnt) ? "OK" : "ERROR"); |
| return (n == cnt) ? 0 : 1; |
| } |
| |
| return CMD_RET_USAGE; |
| } |
| |
| U_BOOT_CMD( |
| mmc, 6, 1, do_mmcops, |
| "MMC sub system", |
| "read addr blk# cnt\n" |
| "mmc write addr blk# cnt\n" |
| "mmc erase blk# cnt\n" |
| "mmc rescan\n" |
| "mmc part - lists available partition on current mmc device\n" |
| "mmc dev [dev] [part] - show or set current mmc device [partition]\n" |
| "mmc list - lists available devices"); |
| #endif |