/* * Copyright (C) 2010 Freescale Semiconductor, Inc. * Terry Lv * * (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 #include #include #ifndef CONFIG_GENERIC_MMC static int curr_device = -1; int do_mmc (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { int dev; if (argc < 2) { cmd_usage(cmdtp); return 1; } 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 { cmd_usage(cmdtp); return 1; } 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 { cmd_usage(cmdtp); return 1; } printf("mmc%d is current device\n", curr_device); } else { cmd_usage(cmdtp); return 1; } 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 */ #ifdef CONFIG_BOOT_PARTITION_ACCESS #define MMC_PARTITION_SWITCH(mmc, part, enable_boot) \ do { \ if (IS_SD(mmc)) { \ if (part > 1) {\ printf( \ "\nError: SD partition can only be 0 or 1\n");\ return 1; \ } \ if (sd_switch_partition(mmc, part) < 0) { \ if (part > 0) { \ printf("\nError: Unable to switch SD "\ "partition\n");\ return 1; \ } \ } \ } else { \ if (mmc_switch_partition(mmc, part, enable_boot) \ < 0) { \ printf("Error: Fail to switch " \ "partition to %d\n", part); \ return 1; \ } \ } \ } while (0) #endif 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"); printf("Capacity: %lld\n", mmc->capacity); if (mmc->bus_width == EMMC_MODE_4BIT_DDR || mmc->bus_width == EMMC_MODE_8BIT_DDR) printf("Bus Width: %d-bit DDR\n", (mmc->bus_width >> 8)); else printf("Bus Width: %d-bit\n", mmc->bus_width); #ifdef CONFIG_BOOT_PARTITION_ACCESS if (mmc->boot_size_mult == 0) { printf("Boot Partition Size: %s\n", "No boot partition available"); } else { printf("Boot Partition Size: %5dKB\n", mmc->boot_size_mult * 128); printf("Current Partition for boot: "); switch (mmc->boot_config & EXT_CSD_BOOT_PARTITION_ENABLE_MASK) { case EXT_CSD_BOOT_PARTITION_DISABLE: printf("Not bootable\n"); break; case EXT_CSD_BOOT_PARTITION_PART1: printf("Boot partition 1\n"); break; case EXT_CSD_BOOT_PARTITION_PART2: printf("Boot partition 2\n"); break; case EXT_CSD_BOOT_PARTITION_USER: printf("User area\n"); break; default: printf("Unknown\n"); break; } } #endif } int do_mmcinfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { struct mmc *mmc; int dev_num; if (argc < 2) dev_num = 0; else dev_num = simple_strtoul(argv[1], NULL, 0); mmc = find_mmc_device(dev_num); if (mmc) { if (mmc_init(mmc)) puts("MMC card init failed!\n"); else print_mmcinfo(mmc); } return 0; } U_BOOT_CMD(mmcinfo, 2, 0, do_mmcinfo, "mmcinfo -- display MMC info", "" ); int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { int rc = 0; #ifdef CONFIG_BOOT_PARTITION_ACCESS u32 part = 0; #endif 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; } case 0: case 1: case 4: printf("Usage:\n%s\n", cmdtp->usage); return 1; case 2: if (!strcmp(argv[1], "list")) { print_mmc_devices('\n'); return 0; } return 1; #ifdef CONFIG_BOOT_PARTITION_ACCESS case 7: /* Fall through */ part = simple_strtoul(argv[6], NULL, 10); #endif 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; #ifdef CONFIG_BOOT_PARTITION_ACCESS printf("\nMMC read: dev # %d, block # %d, " "count %d partition # %d ... \n", dev, blk, cnt, part); #else printf("\nMMC read: dev # %d, block # %d," "count %d ... \n", dev, blk, cnt); #endif mmc_init(mmc); #ifdef CONFIG_BOOT_PARTITION_ACCESS if (((mmc->boot_config & EXT_CSD_BOOT_PARTITION_ACCESS_MASK) != part) || IS_SD(mmc)) { /* * After mmc_init, we now know whether * this is a eSD/eMMC which support boot * partition */ MMC_PARTITION_SWITCH(mmc, part, 0); } #endif 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; #ifdef CONFIG_BOOT_PARTITION_ACCESS printf("\nMMC write: dev # %d, block # %d, " "count %d, partition # %d ... \n", dev, blk, cnt, part); #else printf("\nMMC write: dev # %d, block # %d, " "count %d ... \n", dev, blk, cnt); #endif mmc_init(mmc); #ifdef CONFIG_BOOT_PARTITION_ACCESS if (((mmc->boot_config & EXT_CSD_BOOT_PARTITION_ACCESS_MASK) != part) || IS_SD(mmc)) { /* * After mmc_init, we now know whether this is a * eSD/eMMC which support boot partition */ MMC_PARTITION_SWITCH(mmc, part, 1); } #endif 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 { printf("Usage:\n%s\n", cmdtp->usage); rc = 1; } return rc; } } #ifndef CONFIG_BOOT_PARTITION_ACCESS U_BOOT_CMD( mmc, 6, 1, do_mmcops, "MMC sub system", "mmc read addr blk# cnt\n" "mmc write addr blk# cnt\n" "mmc rescan \n" "mmc list - lists available devices"); #else U_BOOT_CMD( mmc, 7, 1, do_mmcops, "MMC sub system", "mmc read addr blk# cnt [partition]\n" "mmc write addr blk# cnt [partition]\n" "mmc rescan \n" "mmc list - lists available devices"); #endif #endif