diff options
| -rw-r--r-- | README | 10 | ||||
| -rw-r--r-- | common/cmd_mmc.c | 806 |
2 files changed, 520 insertions, 296 deletions
@@ -1534,6 +1534,16 @@ The following options need to be configured: CONFIG_SH_MMCIF_CLK Define the clock frequency for MMCIF + CONFIG_GENERIC_MMC + Enable the generic MMC driver + + CONFIG_SUPPORT_EMMC_BOOT + Enable some additional features of the eMMC boot partitions. + + CONFIG_SUPPORT_EMMC_RPMB + Enable the commands for reading, writing and programming the + key for the Replay Protection Memory Block partition in eMMC. + - USB Device Firmware Update (DFU) class support: CONFIG_DFU_FUNCTION This enables the USB portion of the DFU USB class diff --git a/common/cmd_mmc.c b/common/cmd_mmc.c index c1916c9..55af295 100644 --- a/common/cmd_mmc.c +++ b/common/cmd_mmc.c @@ -71,12 +71,6 @@ U_BOOT_CMD( ); #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->cfg->name); @@ -98,7 +92,18 @@ static void print_mmcinfo(struct mmc *mmc) printf("Bus Width: %d-bit\n", mmc->bus_width); } - +static struct mmc *init_mmc_device(int dev) +{ + struct mmc *mmc; + mmc = find_mmc_device(dev); + if (!mmc) { + printf("no mmc device at slot %x\n", dev); + return NULL; + } + 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; @@ -112,351 +117,546 @@ static int do_mmcinfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) } } - mmc = find_mmc_device(curr_device); + mmc = init_mmc_device(curr_device); + if (!mmc) + return CMD_RET_FAILURE; - if (mmc) { - mmc_init(mmc); + print_mmcinfo(mmc); + return CMD_RET_SUCCESS; +} - print_mmcinfo(mmc); - return 0; - } else { - printf("no mmc device at slot %x\n", curr_device); +#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); -U_BOOT_CMD( - mmcinfo, 1, 0, do_mmcinfo, - "display MMC info", - "- display info of the current MMC device" -); + if (argc < 4) + return CMD_RET_USAGE; -static int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) + 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[]) { - enum mmc_state state; + u16 blk, cnt; + void *addr; + int n; + void *key_addr; + struct mmc *mmc = find_mmc_device(curr_device); - if (argc < 2) + if (argc != 5) 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; - } + 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); + 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->part_num; + if (mmc->part_num != MMC_PART_RPMB) { + if (mmc_switch_part(curr_device, MMC_PART_RPMB) != 0) + return CMD_RET_FAILURE; + mmc->part_num = MMC_PART_RPMB; + } + ret = cp->cmd(cmdtp, flag, argc, argv); - if (strcmp(argv[1], "rescan") == 0) { - struct mmc *mmc; + /* Return to original partition */ + if (mmc->part_num != original_part) { + if (mmc_switch_part(curr_device, original_part) != 0) + return CMD_RET_FAILURE; + mmc->part_num = original_part; + } + return ret; +} +#endif - if (argc != 2) - return CMD_RET_USAGE; +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; - mmc = find_mmc_device(curr_device); - if (!mmc) { - printf("no mmc device at slot %x\n", curr_device); - return 1; - } + if (argc != 4) + return CMD_RET_USAGE; - mmc->has_init = 0; + addr = (void *)simple_strtoul(argv[1], NULL, 16); + blk = simple_strtoul(argv[2], NULL, 16); + cnt = simple_strtoul(argv[3], NULL, 16); - 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; + mmc = init_mmc_device(curr_device); + if (!mmc) + return CMD_RET_FAILURE; - if (argc != 2) - return CMD_RET_USAGE; + printf("\nMMC read: dev # %d, block # %d, count %d ... ", + curr_device, blk, cnt); - 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; - } + n = mmc->block_dev.block_read(curr_device, 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"); - 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; + 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; - mmc = find_mmc_device(dev); - if (!mmc) { - printf("no mmc device at slot %x\n", dev); - return 1; - } + if (argc != 4) + return CMD_RET_USAGE; - mmc_init(mmc); - if (part != -1) { - int ret; - if (mmc->part_config == MMCPART_NOAVAILABLE) { - printf("Card doesn't support part_switch\n"); - return 1; - } + addr = (void *)simple_strtoul(argv[1], NULL, 16); + blk = simple_strtoul(argv[2], NULL, 16); + cnt = simple_strtoul(argv[3], NULL, 16); - if (part != mmc->part_num) { - ret = mmc_switch_part(dev, part); - if (!ret) - mmc->part_num = part; + mmc = init_mmc_device(curr_device); + if (!mmc) + return CMD_RET_FAILURE; - 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); + printf("\nMMC write: dev # %d, block # %d, count %d ... ", + curr_device, blk, cnt); - 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; - } + if (mmc_getwp(mmc) == 1) { + printf("Error: card is write protected!\n"); + return CMD_RET_FAILURE; + } + n = mmc->block_dev.block_write(curr_device, blk, cnt, addr); + printf("%d blocks written: %s\n", n, (n == cnt) ? "OK" : "ERROR"); - mmc = find_mmc_device(dev); - if (!mmc) { - printf("no mmc device at slot %x\n", dev); - return 1; - } + 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 (IS_SD(mmc)) { - puts("PARTITION_CONFIG only exists on eMMC\n"); - return 1; - } + if (argc != 3) + return CMD_RET_USAGE; - /* 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; - } + blk = simple_strtoul(argv[1], NULL, 16); + cnt = simple_strtoul(argv[2], NULL, 16); - mmc = find_mmc_device(dev); - if (!mmc) { - printf("no mmc device at slot %x\n", dev); - return 1; - } + mmc = init_mmc_device(curr_device); + if (!mmc) + return CMD_RET_FAILURE; - if (IS_SD(mmc)) { - puts("BOOT_BUS_WIDTH only exists on eMMC\n"); - return 1; - } + printf("\nMMC erase: dev # %d, block # %d, count %d ... ", + curr_device, blk, cnt); - /* 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; - } + if (mmc_getwp(mmc) == 1) { + printf("Error: card is write protected!\n"); + return CMD_RET_FAILURE; + } + n = mmc->block_dev.block_erase(curr_device, blk, cnt); + printf("%d blocks erased: %s\n", n, (n == cnt) ? "OK" : "ERROR"); - mmc = find_mmc_device(dev); - if (!mmc) { - printf("no mmc device at slot %x\n", dev); - return 1; - } + 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; - if (IS_SD(mmc)) { - printf("It is not a EMMC device\n"); - return 1; - } + mmc = find_mmc_device(curr_device); + if (!mmc) { + printf("no mmc device at slot %x\n", curr_device); + return CMD_RET_FAILURE; + } - 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; - } - } else if (strcmp(argv[1], "rst-function") == 0) { - /* - * 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. - */ - int dev; - struct mmc *mmc; - u8 enable; - - if (argc == 4) { - dev = simple_strtoul(argv[2], NULL, 10); - enable = simple_strtoul(argv[3], NULL, 10); - } else { - return CMD_RET_USAGE; - } + mmc->has_init = 0; - if (enable > 2 || enable < 0) { - puts("Invalid RST_n_ENABLE value\n"); - return CMD_RET_USAGE; + if (mmc_init(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); + 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 = -1; + 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 = find_mmc_device(dev); - if (!mmc) { - printf("no mmc device at slot %x\n", dev); - return 1; + mmc = init_mmc_device(dev); + if (!mmc) + return CMD_RET_FAILURE; + + if (part != -1) { + int ret; + if (mmc->part_config == MMCPART_NOAVAILABLE) { + printf("Card doesn't support part_switch\n"); + return CMD_RET_FAILURE; } - if (IS_SD(mmc)) { - puts("RST_n_FUNCTION only exists on eMMC\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 mmc_set_rst_n_function(mmc, enable); -#endif /* CONFIG_SUPPORT_EMMC_BOOT */ + 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; +} +#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); + if (!mmc) + return CMD_RET_FAILURE; + + if (IS_SD(mmc)) { + puts("BOOT_BUS_WIDTH only exists on eMMC\n"); + return CMD_RET_FAILURE; } - 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; + /* 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 (!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; + 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); + if (!mmc) + return CMD_RET_FAILURE; + + if (IS_SD(mmc)) { + printf("It is not a EMMC device\n"); + return CMD_RET_FAILURE; } - 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; - } + if (mmc_boot_partition_size_change(mmc, bootsize, rpmbsize)) { + printf("EMMC boot partition Size change Failed.\n"); + return CMD_RET_FAILURE; + } - printf("\nMMC %s: dev # %d, block # %d, count %d ... ", - argv[1], curr_device, blk, cnt); + 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; - mmc_init(mmc); + if (argc != 5) + return CMD_RET_USAGE; - if ((state == MMC_WRITE || state == MMC_ERASE)) { - if (mmc_getwp(mmc) == 1) { - printf("Error: card is write protected!\n"); - return 1; - } - } + 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); - 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(); - } + mmc = init_mmc_device(dev); + 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 || enable < 0) { + puts("Invalid RST_n_ENABLE value\n"); + return CMD_RET_USAGE; + } + + mmc = init_mmc_device(dev); + if (!mmc) + return CMD_RET_FAILURE; + + if (IS_SD(mmc)) { + puts("RST_n_FUNCTION only exists on eMMC\n"); + return CMD_RET_FAILURE; + } - printf("%d blocks %s: %s\n", - n, argv[1], (n == cnt) ? "OK" : "ERROR"); - return (n == cnt) ? 0 : 1; + 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, "", ""), +#ifdef CONFIG_SUPPORT_EMMC_BOOT + U_BOOT_CMD_MKENT(bootbus, 5, 0, do_mmc_bootbus, "", ""), + U_BOOT_CMD_MKENT(bootpart-resize, 3, 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; - return CMD_RET_USAGE; + 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, 6, 1, do_mmcops, + mmc, 7, 1, do_mmcops, "MMC sub system", - "read addr blk# cnt\n" + "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" @@ -474,6 +674,20 @@ U_BOOT_CMD( " - 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 - "mmc setdsr - set DSR register value\n" +#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 */ |