/* * (C) Copyright 2003 * Kyle Harris, kharris@nexus-tech.net * * SPDX-License-Identifier: GPL-2.0+ */ #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 >> 8) & 0xf, mmc->version & 0xff); 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; if (argc != 2) return CMD_RET_USAGE; 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 (strcmp(argv[1], "part") == 0) { block_dev_desc_t *mmc_dev; struct mmc *mmc; if (argc != 2) return CMD_RET_USAGE; 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) { if (argc != 2) return CMD_RET_USAGE; 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 partitions #%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; #ifdef CONFIG_SUPPORT_EMMC_BOOT } else if (strcmp(argv[1], "partconf") == 0) { int dev; struct mmc *mmc; u8 ack, part_num, access; if (argc == 6) { dev = simple_strtoul(argv[2], NULL, 10); ack = simple_strtoul(argv[3], NULL, 10); part_num = simple_strtoul(argv[4], NULL, 10); access = simple_strtoul(argv[5], NULL, 10); } else { return CMD_RET_USAGE; } mmc = find_mmc_device(dev); if (!mmc) { printf("no mmc device at slot %x\n", dev); return 1; } if (IS_SD(mmc)) { puts("PARTITION_CONFIG only exists on eMMC\n"); return 1; } /* acknowledge to be sent during boot operation */ return mmc_set_part_conf(mmc, ack, part_num, access); } else if (strcmp(argv[1], "bootbus") == 0) { int dev; struct mmc *mmc; u8 width, reset, mode; if (argc == 6) { dev = simple_strtoul(argv[2], NULL, 10); width = simple_strtoul(argv[3], NULL, 10); reset = simple_strtoul(argv[4], NULL, 10); mode = simple_strtoul(argv[5], NULL, 10); } else { return CMD_RET_USAGE; } mmc = find_mmc_device(dev); if (!mmc) { printf("no mmc device at slot %x\n", dev); return 1; } if (IS_SD(mmc)) { puts("BOOT_BUS_WIDTH only exists on eMMC\n"); return 1; } /* acknowledge to be sent during boot operation */ return mmc_set_boot_bus_width(mmc, width, reset, mode); } else if (strcmp(argv[1], "bootpart-resize") == 0) { int dev; struct mmc *mmc; u32 bootsize, rpmbsize; if (argc == 5) { dev = simple_strtoul(argv[2], NULL, 10); bootsize = simple_strtoul(argv[3], NULL, 10); rpmbsize = simple_strtoul(argv[4], NULL, 10); } else { return CMD_RET_USAGE; } mmc = find_mmc_device(dev); if (!mmc) { printf("no mmc device at slot %x\n", dev); return 1; } if (IS_SD(mmc)) { printf("It is not a EMMC device\n"); return 1; } if (0 == mmc_boot_partition_size_change(mmc, bootsize, rpmbsize)) { printf("EMMC boot partition Size %d MB\n", bootsize); printf("EMMC RPMB partition Size %d MB\n", rpmbsize); return 0; } else { printf("EMMC boot partition Size change Failed.\n"); return 1; } #endif /* CONFIG_SUPPORT_EMMC_BOOT */ } else if (argc == 3 && strcmp(argv[1], "setdsr") == 0) { struct mmc *mmc = find_mmc_device(curr_device); u32 val = simple_strtoul(argv[2], NULL, 16); int ret; if (!mmc) { printf("no mmc device at slot %x\n", curr_device); return 1; } ret = mmc_set_dsr(mmc, val); printf("set dsr %s\n", (!ret) ? "OK, force rescan" : "ERROR"); if (!ret) { mmc->has_init = 0; if (mmc_init(mmc)) return 1; else return 0; } return ret; } state = MMC_INVALID; if (argc == 5 && strcmp(argv[1], "read") == 0) state = MMC_READ; else if (argc == 5 && strcmp(argv[1], "write") == 0) state = MMC_WRITE; else if (argc == 4 && strcmp(argv[1], "erase") == 0) state = MMC_ERASE; 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); if ((state == MMC_WRITE || state == MMC_ERASE)) { if (mmc_getwp(mmc) == 1) { printf("Error: card is write protected!\n"); return 1; } } 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\n" #ifdef CONFIG_SUPPORT_EMMC_BOOT "mmc bootbus dev boot_bus_width reset_boot_bus_width boot_mode\n" " - Set the BOOT_BUS_WIDTH field of the specified device\n" "mmc bootpart-resize <dev> <boot part size MB> <RPMB part size MB>\n" " - Change sizes of boot and RPMB partitions of specified device\n" "mmc partconf dev boot_ack boot_partition partition_access\n" " - Change the bits of the PARTITION_CONFIG field of the specified device\n" #endif "mmc setdsr - set DSR register value\n" ); #endif /* !CONFIG_GENERIC_MMC */