diff options
Diffstat (limited to 'cmd/mmc.c')
| -rw-r--r-- | cmd/mmc.c | 882 |
1 files changed, 882 insertions, 0 deletions
diff --git a/cmd/mmc.c b/cmd/mmc.c new file mode 100644 index 0000000000..1c7156f19c --- /dev/null +++ b/cmd/mmc.c @@ -0,0 +1,882 @@ +/* + * (C) Copyright 2003 + * Kyle Harris, kharris@nexus-tech.net + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <command.h> +#include <console.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 */ + +static void print_mmcinfo(struct mmc *mmc) +{ + int i; + + printf("Device: %s\n", mmc->cfg->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", IS_SD(mmc) ? "SD" : "MMC", + EXTRACT_SDMMC_MAJOR_VERSION(mmc->version), + EXTRACT_SDMMC_MINOR_VERSION(mmc->version)); + if (EXTRACT_SDMMC_CHANGE_VERSION(mmc->version) != 0) + printf(".%d", EXTRACT_SDMMC_CHANGE_VERSION(mmc->version)); + printf("\n"); + + printf("High Capacity: %s\n", mmc->high_capacity ? "Yes" : "No"); + puts("Capacity: "); + print_size(mmc->capacity, "\n"); + + printf("Bus Width: %d-bit%s\n", mmc->bus_width, + mmc->ddr_mode ? " DDR" : ""); + + puts("Erase Group Size: "); + print_size(((u64)mmc->erase_grp_size) << 9, "\n"); + + if (!IS_SD(mmc) && mmc->version >= MMC_VERSION_4_41) { + bool has_enh = (mmc->part_support & ENHNCD_SUPPORT) != 0; + bool usr_enh = has_enh && (mmc->part_attr & EXT_CSD_ENH_USR); + + puts("HC WP Group Size: "); + print_size(((u64)mmc->hc_wp_grp_size) << 9, "\n"); + + puts("User Capacity: "); + print_size(mmc->capacity_user, usr_enh ? " ENH" : ""); + if (mmc->wr_rel_set & EXT_CSD_WR_DATA_REL_USR) + puts(" WRREL\n"); + else + putc('\n'); + if (usr_enh) { + puts("User Enhanced Start: "); + print_size(mmc->enh_user_start, "\n"); + puts("User Enhanced Size: "); + print_size(mmc->enh_user_size, "\n"); + } + puts("Boot Capacity: "); + print_size(mmc->capacity_boot, has_enh ? " ENH\n" : "\n"); + puts("RPMB Capacity: "); + print_size(mmc->capacity_rpmb, has_enh ? " ENH\n" : "\n"); + + for (i = 0; i < ARRAY_SIZE(mmc->capacity_gp); i++) { + bool is_enh = has_enh && + (mmc->part_attr & EXT_CSD_ENH_GP(i)); + if (mmc->capacity_gp[i]) { + printf("GP%i Capacity: ", i+1); + print_size(mmc->capacity_gp[i], + is_enh ? " ENH" : ""); + if (mmc->wr_rel_set & EXT_CSD_WR_DATA_REL_GP(i)) + puts(" WRREL\n"); + else + putc('\n'); + } + } + } +} +static struct mmc *init_mmc_device(int dev, bool force_init) +{ + struct mmc *mmc; + mmc = find_mmc_device(dev); + if (!mmc) { + printf("no mmc device at slot %x\n", dev); + return NULL; + } + if (force_init) + mmc->has_init = 0; + if (mmc_init(mmc)) + return NULL; + return mmc; +} +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 = init_mmc_device(curr_device, false); + if (!mmc) + return CMD_RET_FAILURE; + + print_mmcinfo(mmc); + return CMD_RET_SUCCESS; +} + +#ifdef CONFIG_SUPPORT_EMMC_RPMB +static int confirm_key_prog(void) +{ + puts("Warning: Programming authentication key can be done only once !\n" + " Use this command only if you are sure of what you are doing,\n" + "Really perform the key programming? <y/N> "); + if (confirm_yesno()) + return 1; + + puts("Authentication key programming aborted\n"); + return 0; +} +static int do_mmcrpmb_key(cmd_tbl_t *cmdtp, int flag, + int argc, char * const argv[]) +{ + void *key_addr; + struct mmc *mmc = find_mmc_device(curr_device); + + if (argc != 2) + return CMD_RET_USAGE; + + key_addr = (void *)simple_strtoul(argv[1], NULL, 16); + if (!confirm_key_prog()) + return CMD_RET_FAILURE; + if (mmc_rpmb_set_key(mmc, key_addr)) { + printf("ERROR - Key already programmed ?\n"); + return CMD_RET_FAILURE; + } + return CMD_RET_SUCCESS; +} +static int do_mmcrpmb_read(cmd_tbl_t *cmdtp, int flag, + int argc, char * const argv[]) +{ + u16 blk, cnt; + void *addr; + int n; + void *key_addr = NULL; + struct mmc *mmc = find_mmc_device(curr_device); + + if (argc < 4) + return CMD_RET_USAGE; + + addr = (void *)simple_strtoul(argv[1], NULL, 16); + blk = simple_strtoul(argv[2], NULL, 16); + cnt = simple_strtoul(argv[3], NULL, 16); + + if (argc == 5) + key_addr = (void *)simple_strtoul(argv[4], NULL, 16); + + printf("\nMMC RPMB read: dev # %d, block # %d, count %d ... ", + curr_device, blk, cnt); + n = mmc_rpmb_read(mmc, addr, blk, cnt, key_addr); + + printf("%d RPMB blocks read: %s\n", n, (n == cnt) ? "OK" : "ERROR"); + if (n != cnt) + return CMD_RET_FAILURE; + return CMD_RET_SUCCESS; +} +static int do_mmcrpmb_write(cmd_tbl_t *cmdtp, int flag, + int argc, char * const argv[]) +{ + u16 blk, cnt; + void *addr; + int n; + void *key_addr; + struct mmc *mmc = find_mmc_device(curr_device); + + if (argc != 5) + return CMD_RET_USAGE; + + addr = (void *)simple_strtoul(argv[1], NULL, 16); + blk = simple_strtoul(argv[2], NULL, 16); + cnt = simple_strtoul(argv[3], NULL, 16); + key_addr = (void *)simple_strtoul(argv[4], NULL, 16); + + printf("\nMMC RPMB write: dev # %d, block # %d, count %d ... ", + curr_device, blk, cnt); + n = mmc_rpmb_write(mmc, addr, blk, cnt, key_addr); + + printf("%d RPMB blocks written: %s\n", n, (n == cnt) ? "OK" : "ERROR"); + if (n != cnt) + return CMD_RET_FAILURE; + return CMD_RET_SUCCESS; +} +static int do_mmcrpmb_counter(cmd_tbl_t *cmdtp, int flag, + int argc, char * const argv[]) +{ + unsigned long counter; + struct mmc *mmc = find_mmc_device(curr_device); + + if (mmc_rpmb_get_counter(mmc, &counter)) + return CMD_RET_FAILURE; + printf("RPMB Write counter= %lx\n", counter); + return CMD_RET_SUCCESS; +} + +static cmd_tbl_t cmd_rpmb[] = { + U_BOOT_CMD_MKENT(key, 2, 0, do_mmcrpmb_key, "", ""), + U_BOOT_CMD_MKENT(read, 5, 1, do_mmcrpmb_read, "", ""), + U_BOOT_CMD_MKENT(write, 5, 0, do_mmcrpmb_write, "", ""), + U_BOOT_CMD_MKENT(counter, 1, 1, do_mmcrpmb_counter, "", ""), +}; + +static int do_mmcrpmb(cmd_tbl_t *cmdtp, int flag, + int argc, char * const argv[]) +{ + cmd_tbl_t *cp; + struct mmc *mmc; + char original_part; + int ret; + + cp = find_cmd_tbl(argv[1], cmd_rpmb, ARRAY_SIZE(cmd_rpmb)); + + /* Drop the rpmb subcommand */ + argc--; + argv++; + + if (cp == NULL || argc > cp->maxargs) + return CMD_RET_USAGE; + if (flag == CMD_FLAG_REPEAT && !cp->repeatable) + return CMD_RET_SUCCESS; + + mmc = init_mmc_device(curr_device, false); + if (!mmc) + return CMD_RET_FAILURE; + + if (!(mmc->version & MMC_VERSION_MMC)) { + printf("It is not a EMMC device\n"); + return CMD_RET_FAILURE; + } + if (mmc->version < MMC_VERSION_4_41) { + printf("RPMB not supported before version 4.41\n"); + return CMD_RET_FAILURE; + } + /* Switch to the RPMB partition */ + original_part = mmc->block_dev.part_num; + if (mmc_select_hwpart(curr_device, MMC_PART_RPMB) != 0) + return CMD_RET_FAILURE; + ret = cp->cmd(cmdtp, flag, argc, argv); + + /* Return to original partition */ + if (mmc_select_hwpart(curr_device, original_part) != 0) + return CMD_RET_FAILURE; + return ret; +} +#endif + +static int do_mmc_read(cmd_tbl_t *cmdtp, int flag, + int argc, char * const argv[]) +{ + struct mmc *mmc; + u32 blk, cnt, n; + void *addr; + + if (argc != 4) + return CMD_RET_USAGE; + + addr = (void *)simple_strtoul(argv[1], NULL, 16); + blk = simple_strtoul(argv[2], NULL, 16); + cnt = simple_strtoul(argv[3], NULL, 16); + + mmc = init_mmc_device(curr_device, false); + if (!mmc) + return CMD_RET_FAILURE; + + printf("\nMMC read: dev # %d, block # %d, count %d ... ", + curr_device, blk, cnt); + + n = mmc->block_dev.block_read(&mmc->block_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) ? CMD_RET_SUCCESS : CMD_RET_FAILURE; +} +static int do_mmc_write(cmd_tbl_t *cmdtp, int flag, + int argc, char * const argv[]) +{ + struct mmc *mmc; + u32 blk, cnt, n; + void *addr; + + if (argc != 4) + return CMD_RET_USAGE; + + addr = (void *)simple_strtoul(argv[1], NULL, 16); + blk = simple_strtoul(argv[2], NULL, 16); + cnt = simple_strtoul(argv[3], NULL, 16); + + mmc = init_mmc_device(curr_device, false); + if (!mmc) + return CMD_RET_FAILURE; + + printf("\nMMC write: dev # %d, block # %d, count %d ... ", + curr_device, blk, cnt); + + if (mmc_getwp(mmc) == 1) { + printf("Error: card is write protected!\n"); + return CMD_RET_FAILURE; + } + n = mmc->block_dev.block_write(&mmc->block_dev, blk, cnt, addr); + printf("%d blocks written: %s\n", n, (n == cnt) ? "OK" : "ERROR"); + + return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE; +} +static int do_mmc_erase(cmd_tbl_t *cmdtp, int flag, + int argc, char * const argv[]) +{ + struct mmc *mmc; + u32 blk, cnt, n; + + if (argc != 3) + return CMD_RET_USAGE; + + blk = simple_strtoul(argv[1], NULL, 16); + cnt = simple_strtoul(argv[2], NULL, 16); + + mmc = init_mmc_device(curr_device, false); + if (!mmc) + return CMD_RET_FAILURE; + + printf("\nMMC erase: dev # %d, block # %d, count %d ... ", + curr_device, blk, cnt); + + if (mmc_getwp(mmc) == 1) { + printf("Error: card is write protected!\n"); + return CMD_RET_FAILURE; + } + n = mmc->block_dev.block_erase(&mmc->block_dev, blk, cnt); + printf("%d blocks erased: %s\n", n, (n == cnt) ? "OK" : "ERROR"); + + return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE; +} +static int do_mmc_rescan(cmd_tbl_t *cmdtp, int flag, + int argc, char * const argv[]) +{ + struct mmc *mmc; + + mmc = init_mmc_device(curr_device, true); + if (!mmc) + return CMD_RET_FAILURE; + + return CMD_RET_SUCCESS; +} +static int do_mmc_part(cmd_tbl_t *cmdtp, int flag, + int argc, char * const argv[]) +{ + block_dev_desc_t *mmc_dev; + struct mmc *mmc; + + mmc = init_mmc_device(curr_device, false); + if (!mmc) + return CMD_RET_FAILURE; + + mmc_dev = mmc_get_dev(curr_device); + if (mmc_dev != NULL && mmc_dev->type != DEV_TYPE_UNKNOWN) { + print_part(mmc_dev); + return CMD_RET_SUCCESS; + } + + puts("get mmc type error!\n"); + return CMD_RET_FAILURE; +} +static int do_mmc_dev(cmd_tbl_t *cmdtp, int flag, + int argc, char * const argv[]) +{ + int dev, part = 0, ret; + struct mmc *mmc; + + if (argc == 1) { + dev = curr_device; + } else if (argc == 2) { + dev = simple_strtoul(argv[1], NULL, 10); + } else if (argc == 3) { + dev = (int)simple_strtoul(argv[1], NULL, 10); + part = (int)simple_strtoul(argv[2], NULL, 10); + if (part > PART_ACCESS_MASK) { + printf("#part_num shouldn't be larger than %d\n", + PART_ACCESS_MASK); + return CMD_RET_FAILURE; + } + } else { + return CMD_RET_USAGE; + } + + mmc = init_mmc_device(dev, true); + if (!mmc) + return CMD_RET_FAILURE; + + ret = mmc_select_hwpart(dev, part); + printf("switch to partitions #%d, %s\n", + part, (!ret) ? "OK" : "ERROR"); + if (ret) + return 1; + + 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->block_dev.hwpart); + + return CMD_RET_SUCCESS; +} +static int do_mmc_list(cmd_tbl_t *cmdtp, int flag, + int argc, char * const argv[]) +{ + print_mmc_devices('\n'); + return CMD_RET_SUCCESS; +} + +static int parse_hwpart_user(struct mmc_hwpart_conf *pconf, + int argc, char * const argv[]) +{ + int i = 0; + + memset(&pconf->user, 0, sizeof(pconf->user)); + + while (i < argc) { + if (!strcmp(argv[i], "enh")) { + if (i + 2 >= argc) + return -1; + pconf->user.enh_start = + simple_strtoul(argv[i+1], NULL, 10); + pconf->user.enh_size = + simple_strtoul(argv[i+2], NULL, 10); + i += 3; + } else if (!strcmp(argv[i], "wrrel")) { + if (i + 1 >= argc) + return -1; + pconf->user.wr_rel_change = 1; + if (!strcmp(argv[i+1], "on")) + pconf->user.wr_rel_set = 1; + else if (!strcmp(argv[i+1], "off")) + pconf->user.wr_rel_set = 0; + else + return -1; + i += 2; + } else { + break; + } + } + return i; +} + +static int parse_hwpart_gp(struct mmc_hwpart_conf *pconf, int pidx, + int argc, char * const argv[]) +{ + int i; + + memset(&pconf->gp_part[pidx], 0, sizeof(pconf->gp_part[pidx])); + + if (1 >= argc) + return -1; + pconf->gp_part[pidx].size = simple_strtoul(argv[0], NULL, 10); + + i = 1; + while (i < argc) { + if (!strcmp(argv[i], "enh")) { + pconf->gp_part[pidx].enhanced = 1; + i += 1; + } else if (!strcmp(argv[i], "wrrel")) { + if (i + 1 >= argc) + return -1; + pconf->gp_part[pidx].wr_rel_change = 1; + if (!strcmp(argv[i+1], "on")) + pconf->gp_part[pidx].wr_rel_set = 1; + else if (!strcmp(argv[i+1], "off")) + pconf->gp_part[pidx].wr_rel_set = 0; + else + return -1; + i += 2; + } else { + break; + } + } + return i; +} + +static int do_mmc_hwpartition(cmd_tbl_t *cmdtp, int flag, + int argc, char * const argv[]) +{ + struct mmc *mmc; + struct mmc_hwpart_conf pconf = { }; + enum mmc_hwpart_conf_mode mode = MMC_HWPART_CONF_CHECK; + int i, r, pidx; + + mmc = init_mmc_device(curr_device, false); + if (!mmc) + return CMD_RET_FAILURE; + + if (argc < 1) + return CMD_RET_USAGE; + i = 1; + while (i < argc) { + if (!strcmp(argv[i], "user")) { + i++; + r = parse_hwpart_user(&pconf, argc-i, &argv[i]); + if (r < 0) + return CMD_RET_USAGE; + i += r; + } else if (!strncmp(argv[i], "gp", 2) && + strlen(argv[i]) == 3 && + argv[i][2] >= '1' && argv[i][2] <= '4') { + pidx = argv[i][2] - '1'; + i++; + r = parse_hwpart_gp(&pconf, pidx, argc-i, &argv[i]); + if (r < 0) + return CMD_RET_USAGE; + i += r; + } else if (!strcmp(argv[i], "check")) { + mode = MMC_HWPART_CONF_CHECK; + i++; + } else if (!strcmp(argv[i], "set")) { + mode = MMC_HWPART_CONF_SET; + i++; + } else if (!strcmp(argv[i], "complete")) { + mode = MMC_HWPART_CONF_COMPLETE; + i++; + } else { + return CMD_RET_USAGE; + } + } + + puts("Partition configuration:\n"); + if (pconf.user.enh_size) { + puts("\tUser Enhanced Start: "); + print_size(((u64)pconf.user.enh_start) << 9, "\n"); + puts("\tUser Enhanced Size: "); + print_size(((u64)pconf.user.enh_size) << 9, "\n"); + } else { + puts("\tNo enhanced user data area\n"); + } + if (pconf.user.wr_rel_change) + printf("\tUser partition write reliability: %s\n", + pconf.user.wr_rel_set ? "on" : "off"); + for (pidx = 0; pidx < 4; pidx++) { + if (pconf.gp_part[pidx].size) { + printf("\tGP%i Capacity: ", pidx+1); + print_size(((u64)pconf.gp_part[pidx].size) << 9, + pconf.gp_part[pidx].enhanced ? + " ENH\n" : "\n"); + } else { + printf("\tNo GP%i partition\n", pidx+1); + } + if (pconf.gp_part[pidx].wr_rel_change) + printf("\tGP%i write reliability: %s\n", pidx+1, + pconf.gp_part[pidx].wr_rel_set ? "on" : "off"); + } + + if (!mmc_hwpart_config(mmc, &pconf, mode)) { + if (mode == MMC_HWPART_CONF_COMPLETE) + puts("Partitioning successful, " + "power-cycle to make effective\n"); + return CMD_RET_SUCCESS; + } else { + puts("Failed!\n"); + return CMD_RET_FAILURE; + } +} + +#ifdef CONFIG_SUPPORT_EMMC_BOOT +static int do_mmc_bootbus(cmd_tbl_t *cmdtp, int flag, + int argc, char * const argv[]) +{ + int dev; + struct mmc *mmc; + u8 width, reset, mode; + + if (argc != 5) + return CMD_RET_USAGE; + dev = simple_strtoul(argv[1], NULL, 10); + width = simple_strtoul(argv[2], NULL, 10); + reset = simple_strtoul(argv[3], NULL, 10); + mode = simple_strtoul(argv[4], NULL, 10); + + mmc = init_mmc_device(dev, false); + if (!mmc) + return CMD_RET_FAILURE; + + if (IS_SD(mmc)) { + puts("BOOT_BUS_WIDTH only exists on eMMC\n"); + return CMD_RET_FAILURE; + } + + /* acknowledge to be sent during boot operation */ + return mmc_set_boot_bus_width(mmc, width, reset, mode); +} +static int do_mmc_boot_resize(cmd_tbl_t *cmdtp, int flag, + int argc, char * const argv[]) +{ + int dev; + struct mmc *mmc; + u32 bootsize, rpmbsize; + + if (argc != 4) + return CMD_RET_USAGE; + dev = simple_strtoul(argv[1], NULL, 10); + bootsize = simple_strtoul(argv[2], NULL, 10); + rpmbsize = simple_strtoul(argv[3], NULL, 10); + + mmc = init_mmc_device(dev, false); + if (!mmc) + return CMD_RET_FAILURE; + + if (IS_SD(mmc)) { + printf("It is not a EMMC device\n"); + return CMD_RET_FAILURE; + } + + if (mmc_boot_partition_size_change(mmc, bootsize, rpmbsize)) { + printf("EMMC boot partition Size change Failed.\n"); + return CMD_RET_FAILURE; + } + + printf("EMMC boot partition Size %d MB\n", bootsize); + printf("EMMC RPMB partition Size %d MB\n", rpmbsize); + return CMD_RET_SUCCESS; +} +static int do_mmc_partconf(cmd_tbl_t *cmdtp, int flag, + int argc, char * const argv[]) +{ + int dev; + struct mmc *mmc; + u8 ack, part_num, access; + + if (argc != 5) + return CMD_RET_USAGE; + + dev = simple_strtoul(argv[1], NULL, 10); + ack = simple_strtoul(argv[2], NULL, 10); + part_num = simple_strtoul(argv[3], NULL, 10); + access = simple_strtoul(argv[4], NULL, 10); + + mmc = init_mmc_device(dev, false); + if (!mmc) + return CMD_RET_FAILURE; + + if (IS_SD(mmc)) { + puts("PARTITION_CONFIG only exists on eMMC\n"); + return CMD_RET_FAILURE; + } + + /* acknowledge to be sent during boot operation */ + return mmc_set_part_conf(mmc, ack, part_num, access); +} +static int do_mmc_rst_func(cmd_tbl_t *cmdtp, int flag, + int argc, char * const argv[]) +{ + int dev; + struct mmc *mmc; + u8 enable; + + /* + * Set the RST_n_ENABLE bit of RST_n_FUNCTION + * The only valid values are 0x0, 0x1 and 0x2 and writing + * a value of 0x1 or 0x2 sets the value permanently. + */ + if (argc != 3) + return CMD_RET_USAGE; + + dev = simple_strtoul(argv[1], NULL, 10); + enable = simple_strtoul(argv[2], NULL, 10); + + if (enable > 2) { + puts("Invalid RST_n_ENABLE value\n"); + return CMD_RET_USAGE; + } + + mmc = init_mmc_device(dev, false); + if (!mmc) + return CMD_RET_FAILURE; + + if (IS_SD(mmc)) { + puts("RST_n_FUNCTION only exists on eMMC\n"); + return CMD_RET_FAILURE; + } + + return mmc_set_rst_n_function(mmc, enable); +} +#endif +static int do_mmc_setdsr(cmd_tbl_t *cmdtp, int flag, + int argc, char * const argv[]) +{ + struct mmc *mmc; + u32 val; + int ret; + + if (argc != 2) + return CMD_RET_USAGE; + val = simple_strtoul(argv[2], NULL, 16); + + mmc = find_mmc_device(curr_device); + if (!mmc) { + printf("no mmc device at slot %x\n", curr_device); + return CMD_RET_FAILURE; + } + 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 CMD_RET_FAILURE; + else + return CMD_RET_SUCCESS; + } + return ret; +} + +static cmd_tbl_t cmd_mmc[] = { + U_BOOT_CMD_MKENT(info, 1, 0, do_mmcinfo, "", ""), + U_BOOT_CMD_MKENT(read, 4, 1, do_mmc_read, "", ""), + U_BOOT_CMD_MKENT(write, 4, 0, do_mmc_write, "", ""), + U_BOOT_CMD_MKENT(erase, 3, 0, do_mmc_erase, "", ""), + U_BOOT_CMD_MKENT(rescan, 1, 1, do_mmc_rescan, "", ""), + U_BOOT_CMD_MKENT(part, 1, 1, do_mmc_part, "", ""), + U_BOOT_CMD_MKENT(dev, 3, 0, do_mmc_dev, "", ""), + U_BOOT_CMD_MKENT(list, 1, 1, do_mmc_list, "", ""), + U_BOOT_CMD_MKENT(hwpartition, 28, 0, do_mmc_hwpartition, "", ""), +#ifdef CONFIG_SUPPORT_EMMC_BOOT + U_BOOT_CMD_MKENT(bootbus, 5, 0, do_mmc_bootbus, "", ""), + U_BOOT_CMD_MKENT(bootpart-resize, 4, 0, do_mmc_boot_resize, "", ""), + U_BOOT_CMD_MKENT(partconf, 5, 0, do_mmc_partconf, "", ""), + U_BOOT_CMD_MKENT(rst-function, 3, 0, do_mmc_rst_func, "", ""), +#endif +#ifdef CONFIG_SUPPORT_EMMC_RPMB + U_BOOT_CMD_MKENT(rpmb, CONFIG_SYS_MAXARGS, 1, do_mmcrpmb, "", ""), +#endif + U_BOOT_CMD_MKENT(setdsr, 2, 0, do_mmc_setdsr, "", ""), +}; + +static int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + cmd_tbl_t *cp; + + cp = find_cmd_tbl(argv[1], cmd_mmc, ARRAY_SIZE(cmd_mmc)); + + /* Drop the mmc command */ + argc--; + argv++; + + if (cp == NULL || argc > cp->maxargs) + return CMD_RET_USAGE; + if (flag == CMD_FLAG_REPEAT && !cp->repeatable) + return CMD_RET_SUCCESS; + + if (curr_device < 0) { + if (get_mmc_num() > 0) { + curr_device = 0; + } else { + puts("No MMC device available\n"); + return CMD_RET_FAILURE; + } + } + return cp->cmd(cmdtp, flag, argc, argv); +} + +U_BOOT_CMD( + mmc, 29, 1, do_mmcops, + "MMC sub system", + "info - display info of the current MMC device\n" + "mmc 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" + "mmc hwpartition [args...] - does hardware partitioning\n" + " arguments (sizes in 512-byte blocks):\n" + " [user [enh start cnt] [wrrel {on|off}]] - sets user data area attributes\n" + " [gp1|gp2|gp3|gp4 cnt [enh] [wrrel {on|off}]] - general purpose partition\n" + " [check|set|complete] - mode, complete set partitioning completed\n" + " WARNING: Partitioning is a write-once setting once it is set to complete.\n" + " Power cycling is required to initialize partitions after set to complete.\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" + "mmc rst-function dev value\n" + " - Change the RST_n_FUNCTION field of the specified device\n" + " WARNING: This is a write-once field and 0 / 1 / 2 are the only valid values.\n" +#endif +#ifdef CONFIG_SUPPORT_EMMC_RPMB + "mmc rpmb read addr blk# cnt [address of auth-key] - block size is 256 bytes\n" + "mmc rpmb write addr blk# cnt <address of auth-key> - block size is 256 bytes\n" + "mmc rpmb key <address of auth-key> - program the RPMB authentication key.\n" + "mmc rpmb counter - read the value of the write counter\n" +#endif + "mmc setdsr <value> - set DSR register value\n" + ); + +/* Old command kept for compatibility. Same as 'mmc info' */ +U_BOOT_CMD( + mmcinfo, 1, 0, do_mmcinfo, + "display MMC info", + "- display info of the current MMC device" +); + +#endif /* !CONFIG_GENERIC_MMC */ |
