// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause /* * Copyright (C) 2018, STMicroelectronics - All Rights Reserved */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "stm32prog.h" /* Primary GPT header size for 128 entries : 17kB = 34 LBA of 512B */ #define GPT_HEADER_SZ 34 #define OPT_SELECT BIT(0) #define OPT_EMPTY BIT(1) #define OPT_DELETE BIT(2) #define IS_SELECT(part) (part->option & OPT_SELECT) #define IS_EMPTY(part) (part->option & OPT_EMPTY) #define IS_DELETE(part) (part->option & OPT_DELETE) #define ROOTFS_MMC0_UUID \ EFI_GUID(0xE91C4E10, 0x16E6, 0x4C0E, \ 0xBD, 0x0E, 0x77, 0xBE, 0xCF, 0x4A, 0x35, 0x82) #define ROOTFS_MMC1_UUID \ EFI_GUID(0x491F6117, 0x415D, 0x4F53, \ 0x88, 0xC9, 0x6E, 0x0D, 0xE5, 0x4D, 0xEA, 0xC6) #define ROOTFS_MMC2_UUID \ EFI_GUID(0xFD58F1C7, 0xBE0D, 0x4338, \ 0x88, 0xE9, 0xAD, 0x8F, 0x05, 0x0A, 0xEB, 0x18) /* * unique partition guid (uuid) for partition named "rootfs" * on each MMC instance = SD Card or eMMC * allow fixed kernel bootcmd: "rootf=PARTUID=e91c4e10-..." */ const static efi_guid_t uuid_mmc[3] = { ROOTFS_MMC0_UUID, ROOTFS_MMC1_UUID, ROOTFS_MMC2_UUID }; DECLARE_GLOBAL_DATA_PTR; #define ENV_BUF_LEN SZ_1K /* order of column in flash layout file */ enum stm32prog_col_t { COL_OPTION, COL_ID, COL_NAME, COL_TYPE, COL_IP, COL_OFFSET, COL_NB_STM32 }; /* partition handling routines : CONFIG_CMD_MTDPARTS */ int mtdparts_init(void); int find_dev_and_part(const char *id, struct mtd_device **dev, u8 *part_num, struct part_info **part); char *stm32prog_get_error(struct stm32prog_data *data) { const char error_msg[] = "Unspecified"; if (strlen(data->error) == 0) strcpy(data->error, error_msg); return data->error; } u8 stm32prog_header_check(struct raw_header_s *raw_header, struct image_header_s *header) { int i; header->present = 0; header->image_checksum = 0x0; header->image_length = 0x0; /*pr_debug("%s entry\n", __func__);*/ if (!raw_header || !header) { pr_debug("%s:no header data\n", __func__); return -1; } if (raw_header->magic_number != (('S' << 0) | ('T' << 8) | ('M' << 16) | (0x32 << 24))) { pr_debug("%s:invalid magic number : 0x%x\n", __func__, raw_header->magic_number); return -2; } /* only header v1.0 supported */ if (raw_header->header_version != 0x00010000) { pr_debug("%s:invalid header version : 0x%x\n", __func__, raw_header->header_version); return -3; } if (raw_header->reserved1 != 0x0 || raw_header->reserved2) { pr_debug("%s:invalid reserved field\n", __func__); return -4; } for (i = 0; i < (sizeof(raw_header->padding) / 4); i++) { if (raw_header->padding[i] != 0) { pr_debug("%s:invalid padding field\n", __func__); return -5; } } header->present = 1; header->image_checksum = le32_to_cpu(raw_header->image_checksum); header->image_length = le32_to_cpu(raw_header->image_length); /*pr_debug("%s exit\n", __func__);*/ return 0; } static u32 stm32prog_header_checksum(u32 addr, struct image_header_s *header) { u32 i, checksum; u8 *payload; /* compute checksum on payload */ payload = (u8 *)addr; checksum = 0; for (i = header->image_length; i > 0; i--) checksum += *(payload++); return checksum; } /* FLASHLAYOUT PARSING *****************************************/ static int parse_option(struct stm32prog_data *data, char *p, struct stm32prog_part_t *part) { int result = 0; char *c = p; part->option = 0; if (!strcmp(p, "-")) return 0; while (*c) { switch (*c) { case 'P': part->option |= OPT_SELECT; break; case 'E': part->option |= OPT_EMPTY; break; case 'D': part->option |= OPT_DELETE; break; default: result = -EINVAL; stm32prog_err("Layout: invalid option '%c' in %s)", *c, p); return -EINVAL; } c++; } if (!(part->option & OPT_SELECT)) { stm32prog_err("Layout: missing 'P' in option %s", p); return -EINVAL; } /* pr_debug("option : %x\n", part->option); */ return result; } static int parse_id(struct stm32prog_data *data, char *p, struct stm32prog_part_t *part) { int result = 0; unsigned long value; result = strict_strtoul(p, 0, &value); part->id = value; if (result || value > PHASE_LAST_USER) { stm32prog_err("Layout: invalid phase value = %s", p); result = -EINVAL; } /* pr_debug("phase : %x\n", part->id); */ return result; } static int parse_name(struct stm32prog_data *data, char *p, struct stm32prog_part_t *part) { int result = 0; if (strlen(p) < sizeof(part->name)) { strcpy(part->name, p); } else { stm32prog_err("Layout: partition name too long [%d] : %s", strlen(p), p); result = -EINVAL; } /* pr_debug("name : %s\n", part->name); */ return result; } static int parse_type(struct stm32prog_data *data, char *p, struct stm32prog_part_t *part) { int result = 0; int len = 0; part->bin_nb = 0; if (!strncmp(p, "Binary", 6)) { part->part_type = PART_BINARY; /* search for Binary(X) case */ len = strlen(p); part->bin_nb = 1; if (len > 6) { if (len < 8 || (p[6] != '(') || (p[len - 1] != ')')) result = -EINVAL; else part->bin_nb = simple_strtoul(&p[7], NULL, 10); } } else if (!strcmp(p, "System")) { part->part_type = PART_SYSTEM; } else if (!strcmp(p, "FileSystem")) { part->part_type = PART_FILESYSTEM; } else if (!strcmp(p, "RawImage")) { part->part_type = RAW_IMAGE; } else { result = -EINVAL; } if (result) stm32prog_err("Layout: type parsing error : '%s'", p); /* pr_debug("type : %d\n", part->part_type); */ return result; } static int parse_ip(struct stm32prog_data *data, char *p, struct stm32prog_part_t *part) { int result = 0; int len = 0; part->dev_id = 0; if (!strcmp(p, "none")) { part->dev_type = DFU_DEV_VIRT; } else if (!strncmp(p, "mmc", 3)) { part->dev_type = DFU_DEV_MMC; len = 3; } else if (!strncmp(p, "nor", 3)) { part->dev_type = DFU_DEV_SF; len = 3; } else if (!strncmp(p, "nand", 4)) { part->dev_type = DFU_DEV_NAND; len = 4; } else { result = -EINVAL; } if (len) { /* only one digit allowed for device id */ if (strlen(p) != len + 1) { result = -EINVAL; } else { part->dev_id = p[len] - '0'; if (part->dev_id > 9) result = -EINVAL; } } if (result) stm32prog_err("Layout: ip parsing error : '%s'", p); /* pr_debug("dev : %d\n", part->dev_id); */ return result; } static int parse_offset(struct stm32prog_data *data, char *p, struct stm32prog_part_t *part) { int result = 0; char *tail; part->part_id = 0; part->addr = 0; part->size = 0; /* eMMC boot parttion */ if (!strncmp(p, "boot", 4)) { if (p[4] == '1') { part->part_id = -1; } else if (p[4] == '2') { part->part_id = -2; } else { stm32prog_err("Layout: invalid part '%s'", p); result = -EINVAL; } } else { part->addr = simple_strtoull(p, &tail, 0); if (tail == p || *tail != '\0') { stm32prog_err("Layout: invalid offset '%s'", p); result = -EINVAL; } } /* pr_debug("addr : 0x%llx, part_id : %d\n", part->addr, * part->part_id); */ return result; } static int (* const parse[COL_NB_STM32])(struct stm32prog_data *data, char *p, struct stm32prog_part_t *part) = { [COL_OPTION] = parse_option, [COL_ID] = parse_id, [COL_NAME] = parse_name, [COL_TYPE] = parse_type, [COL_IP] = parse_ip, [COL_OFFSET] = parse_offset, }; static int parse_flash_layout(struct stm32prog_data *data, ulong addr, ulong size) { int column = 0, part_nb = 0, ret; bool end_of_line, eof; char *p, *start, *last, *col; struct stm32prog_part_t *part; int part_list_size; bool stm32image = false; data->part_nb = 0; /* check if STM32image is detected */ if (!stm32prog_header_check((struct raw_header_s *)addr, &data->header)) { u32 checksum; addr = addr + BL_HEADER_SIZE; size = data->header.image_length; stm32image = true; checksum = stm32prog_header_checksum(addr, &data->header); if (checksum != data->header.image_checksum) { stm32prog_err("Layout: invalid checksum : 0x%x expected 0x%x", checksum, data->header.image_checksum); return -EIO; } } if (!size) return -EINVAL; start = (char *)addr; last = start + size; *last = 0x0; /* force null terminated string */ pr_debug("flash layout =\n%s\n", start); /* calculate expected number of partitions */ part_list_size = 1; p = start; while (*p && (p < last)) { if (*p++ == '\n') { part_list_size++; if (p < last && *p == '#') part_list_size--; } } if (part_list_size > PHASE_LAST_USER) { stm32prog_err("Layout: too many line"); return -1; } part = calloc(sizeof(struct stm32prog_part_t), part_list_size); if (!part) { stm32prog_err("Layout: alloc failed"); return -ENOMEM; } data->part_array = part; /* main parsing loop */ eof = false; p = start; col = start; /* 1st column */ while (!eof) { end_of_line = false; switch (*p) { /* CR is ignored and replaced by NULL chararc*/ case '\r': *p = '\0'; p++; continue; /* end of column detected */ case '\0': end_of_line = true; eof = true; break; case '\n': end_of_line = true; break; case '\t': break; case '#': /* comment line is skipped */ if (column == 0 && p == col) { while ((p < last) && *p) if (*p++ == '\n') break; col = p; if (p >= last || !*p) eof = true; continue; } /* no break */ /* by default continue with the next character */ default: p++; continue; } /* replace by \0 to allow string parsing */ *p = '\0'; p++; if (p >= last) { eof = true; end_of_line = true; } /*pr_debug("%d:%d = '%s' => ", part_nb, column, col);*/ if (strlen(col) == 0) { col = p; /* skip empty line */ if (column == 0 && end_of_line) continue; /* multiple TAB allowed in tsv file */ if (!stm32image) continue; stm32prog_err("empty field for line %d", part_nb); return -1; } if (column < COL_NB_STM32) { ret = parse[column](data, col, part); if (ret) return ret; } /* save the beginning of the next column */ column++; col = p; if (!end_of_line) continue; /* end of the line detected */ if (column < COL_NB_STM32) { stm32prog_err("Layout: no enought column for line %d", part_nb); return -EINVAL; } column = 0; part_nb++; part++; if (part_nb >= part_list_size) { part = NULL; if (!eof) { stm32prog_err("Layout: no enought memory for %d part", part_nb); return -EINVAL; } } } data->part_nb = part_nb; if (data->part_nb == 0) { stm32prog_err("Layout: no partition found"); return -ENODEV; } return 0; } static int __init part_cmp(void *priv, struct list_head *a, struct list_head *b) { struct stm32prog_part_t *parta, *partb; parta = container_of(a, struct stm32prog_part_t, list); partb = container_of(b, struct stm32prog_part_t, list); if (parta->part_id != partb->part_id) return parta->part_id - partb->part_id; else return parta->addr > partb->addr ? 1 : -1; } static int init_device(struct stm32prog_data *data, struct stm32prog_dev_t *dev) { struct mmc *mmc = NULL; #ifdef CONFIG_MTD_PARTITIONS struct blk_desc *block_dev = NULL; struct mtd_info *mtd = NULL; char mtd_id[16]; char cmdbuf[40]; #endif int part_id; int ret; u64 first_addr = 0, last_addr = 0; struct stm32prog_part_t *part, *next_part; u64 part_addr, part_size; dev->lba_blk_size = MMC_MAX_BLOCK_LEN; switch (dev->dev_type) { case DFU_DEV_MMC: mmc = find_mmc_device(dev->dev_id); if (mmc_init(mmc)) { stm32prog_err("mmc device %d not found", dev->dev_id); return -ENODEV; } block_dev = mmc_get_blk_desc(mmc); if (!block_dev) { stm32prog_err("mmc device %d not probed", dev->dev_id); return -ENODEV; } dev->lba_blk_size = mmc->read_bl_len; dev->erase_size = mmc->erase_grp_size * block_dev->blksz; /* reserve a full erase group for each GTP headers */ if (mmc->erase_grp_size > GPT_HEADER_SZ) { first_addr = dev->erase_size; last_addr = (u64)(block_dev->lba - mmc->erase_grp_size) * block_dev->blksz; } else { first_addr = (u64)GPT_HEADER_SZ * block_dev->blksz; last_addr = (u64)(block_dev->lba - GPT_HEADER_SZ - 1) * block_dev->blksz; } pr_debug("MMC %d: lba=%ld blksz=%ld\n", dev->dev_id, block_dev->lba, block_dev->blksz); pr_debug(" available address = 0x%llx..0x%llx\n", first_addr, last_addr); break; #ifdef CONFIG_MTD_PARTITIONS case DFU_DEV_SF: #ifdef CONFIG_SPI_FLASH sprintf(cmdbuf, "sf probe %d", dev->dev_id); if (run_command(cmdbuf, 0)) { stm32prog_err("invalid device : %s", cmdbuf); return -ENODEV; } sprintf(mtd_id, "nor%d", dev->dev_id); pr_debug("%s\n", mtd_id); break; #else stm32prog_err("device SF nor supported"); return -ENODEV; #endif case DFU_DEV_NAND: sprintf(cmdbuf, "nand device %d", dev->dev_id); if (run_command(cmdbuf, 0)) { stm32prog_err("invalid device : %s", cmdbuf); return -ENODEV; } sprintf(mtd_id, "nand%d", dev->dev_id); pr_debug("%s\n", mtd_id); break; #endif default: stm32prog_err("unknown device type = %d", dev->dev_type); return -ENODEV; } #ifdef CONFIG_MTD_PARTITIONS if (dev->dev_type == DFU_DEV_SF || dev->dev_type == DFU_DEV_NAND) { #ifdef CONFIG_SPI_FLASH if (dev->dev_type == DFU_DEV_NAND) { /* sf probe is needed for mtdparts * because mtdids can use nor0 and nor driver * is not probed by default as nand */ sprintf(cmdbuf, "sf probe %d", dev->dev_id); run_command(cmdbuf, 0); } #endif mtdparts_init(); mtd = get_mtd_device_nm(mtd_id); if (IS_ERR(mtd)) { stm32prog_err("MTD device %s not found", mtd_id); return -ENODEV; } first_addr = 0; last_addr = mtd->size; dev->erase_size = mtd->erasesize; pr_debug("MTD device %s : size=%lld erasesize=%d\n", mtd_id, mtd->size, mtd->erasesize); pr_debug(" available address = 0x%llx..0x%llx\n", first_addr, last_addr); } dev->mtd = mtd; #endif pr_debug(" erase size = 0x%x\n", dev->erase_size); dev->block_dev = block_dev; /* order partition list in offset order */ list_sort(NULL, &dev->part_list, &part_cmp); part_id = 1; pr_debug("id : Opt Phase Name type.n dev.n addr size part_off part_size\n"); list_for_each_entry(part, &dev->part_list, list) { if (part->bin_nb > 1) { if (dev->dev_type != DFU_DEV_NAND || part->id >= PHASE_FIRST_USER || strncmp(part->name, "fsbl", 4)) { stm32prog_err("%s: multiple binary %d not supported for phase %d", part->name, part->bin_nb, part->id); return -EINVAL; } } if (part->part_type == RAW_IMAGE) { part->part_id = 0x0; part->addr = 0x0; if (block_dev) part->size = block_dev->lba * block_dev->blksz; else part->size = last_addr; pr_debug("-- : %1d %02x %14s %02d.%d %02d.%02d %08llx %08llx\n", part->option, part->id, part->name, part->part_type, part->bin_nb, part->dev_type, part->dev_id, part->addr, part->size); continue; } if (part->part_id < 0) { /* boot hw partition for eMMC */ if (mmc) { part->size = mmc->capacity_boot; } else { stm32prog_err("%s: hw partition not expected : %d", part->name, part->part_id); return -ENODEV; } } else { part->part_id = part_id++; /* last partition : size to the end of the device */ if (part->list.next != &dev->part_list) { next_part = container_of(part->list.next, struct stm32prog_part_t, list); if (part->addr < next_part->addr) { part->size = next_part->addr - part->addr; } else { stm32prog_err("%s: invalid address : 0x%llx >= 0x%llx", part->name, part->addr, next_part->addr); return -EINVAL; } } else { if (part->addr <= last_addr) { part->size = last_addr - part->addr; } else { stm32prog_err("%s: invalid address 0x%llx (max=0x%llx)", part->name, part->addr, last_addr); return -EINVAL; } } if (part->addr < first_addr) { stm32prog_err("%s: invalid address 0x%llx (min=0x%llx)", part->name, part->addr, first_addr); return -EINVAL; } } if ((part->addr & ((u64)part->dev->erase_size - 1)) != 0) { stm32prog_err("%s: not aligned address : 0x%llx on erase size 0x%x", part->name, part->addr, part->dev->erase_size); return -EINVAL; } pr_debug("%02d : %1d %02x %14s %02d.%d %02d.%02d %08llx %08llx", part->part_id, part->option, part->id, part->name, part->part_type, part->bin_nb, part->dev_type, part->dev_id, part->addr, part->size); part_addr = 0; part_size = 0; /* check coherency with existing partition */ if (block_dev) { disk_partition_t partinfo; /* only check partition size for partial update */ if (data->full_update || part->part_id < 0) { pr_debug("\n"); continue; } ret = part_get_info(block_dev, part->part_id, &partinfo); if (ret) { stm32prog_err("Couldn't find part %d on device mmc %d", part_id, part->dev_id); return -ENODEV; } part_addr = (u64)partinfo.start * partinfo.blksz; part_size = (u64)partinfo.size * partinfo.blksz; } #ifdef CONFIG_MTD_PARTITIONS if (mtd) { char mtd_part_id[32]; struct part_info *mtd_part; struct mtd_device *mtd_dev; u8 part_num; sprintf(mtd_part_id, "%s,%d", mtd_id, part->part_id - 1); ret = find_dev_and_part(mtd_part_id, &mtd_dev, &part_num, &mtd_part); if (ret != 0) { stm32prog_err("Invalid partition %s", mtd_part_id); return -ENODEV; } part_addr = mtd_part->offset; part_size = mtd_part->size; } #endif pr_debug(" %08llx %08llx\n", part_addr, part_size); if (part->addr != part_addr) { stm32prog_err("%s: Bad address requested for partition %d = 0x%llx <> 0x%llx", part->name, part->part_id, part->addr, part_addr); return -ENODEV; } if (part->size != part_size) { stm32prog_err("%s: Bad size requested for partition %d = 0x%llx <> 0x%llx", part->name, part->part_id, part->size, part_size); return -ENODEV; } } return 0; } static int treat_partition_list(struct stm32prog_data *data) { int i, j; struct stm32prog_part_t *part; for (j = 0; j < STM32PROG_MAX_DEV; j++) { data->dev[j].dev_type = -1; INIT_LIST_HEAD(&data->dev[j].part_list); } data->full_update = 1; /*pr_debug("id : S Phase Name type dev.n addr id\n");*/ for (i = 0; i < data->part_nb; i++) { part = &data->part_array[i]; part->alt_id = -1; /* skip partition with IP="none" */ if (part->dev_type == DFU_DEV_VIRT) { if (IS_SELECT(part)) { stm32prog_err("Layout: selected none phase = 0x%x", part->id); return -EINVAL; } continue; } /* * pr_debug("%02d : %1d %02x %14s %02d %02d.%02d 0x%08llx %d\n", * i, part->option, part->id, part->name, * part->part_type, part->dev_id_type, part->dev_id, * part->addr, part->part_id); */ if (!IS_SELECT(part) && part->part_type != RAW_IMAGE) data->full_update = 0; if (part->id == PHASE_FLASHLAYOUT || part->id > PHASE_LAST_USER) { stm32prog_err("Layout: invalid phase = 0x%x", part->id); return -EINVAL; } for (j = i + 1; j < data->part_nb; j++) { if (part->id == data->part_array[j].id) { stm32prog_err("Layout: duplicated phase %d at line %d and %d", part->id, i, j); return -EINVAL; } } for (j = 0; j < STM32PROG_MAX_DEV; j++) { if (data->dev[j].dev_type == -1) { /* new device found */ data->dev[j].dev_type = part->dev_type; data->dev[j].dev_id = part->dev_id; data->dev_nb++; break; } else if ((part->dev_type == data->dev[j].dev_type) && (part->dev_id == data->dev[j].dev_id)) { break; } } if (j == STM32PROG_MAX_DEV) { stm32prog_err("Layout: too many device"); return -EINVAL; } part->dev = &data->dev[j]; list_add_tail(&part->list, &data->dev[j].part_list); } return 0; } static int create_partitions(struct stm32prog_data *data) { int offset = 0; char cmdbuf[32]; char buf[ENV_BUF_LEN]; char uuid[UUID_STR_LEN + 1]; unsigned char *uuid_bin; int i, mmc_id; bool rootfs_found; struct stm32prog_part_t *part; puts("partitions : "); /* initialize the selected device */ for (i = 0; i < data->dev_nb; i++) { /* gpt support only for MMC */ if (data->dev[i].dev_type != DFU_DEV_MMC) continue; offset = 0; rootfs_found = false; memset(buf, 0, sizeof(buf)); list_for_each_entry(part, &data->dev[i].part_list, list) { /* skip eMMC boot partitions */ if (part->part_id < 0) continue; /* skip Raw Image */ if (part->part_type == RAW_IMAGE) continue; offset += snprintf(buf + offset, ENV_BUF_LEN - offset, "name=%s,start=0x%llx,size=0x%llx", part->name, part->addr, part->size); if (part->part_type == PART_BINARY) offset += snprintf(buf + offset, ENV_BUF_LEN - offset, ",type=data"); else offset += snprintf(buf + offset, ENV_BUF_LEN - offset, ",type=linux"); if (part->part_type == PART_SYSTEM) offset += snprintf(buf + offset, ENV_BUF_LEN - offset, ",bootable"); if (!rootfs_found && !strcmp(part->name, "rootfs")) { mmc_id = part->dev_id; rootfs_found = true; if (mmc_id < ARRAY_SIZE(uuid_mmc)) { uuid_bin = (unsigned char *)uuid_mmc[mmc_id].b; uuid_bin_to_str(uuid_bin, uuid, UUID_STR_FORMAT_GUID); offset += snprintf(buf + offset, ENV_BUF_LEN - offset, ",uuid=%s", uuid); } } offset += snprintf(buf + offset, ENV_BUF_LEN - offset, ";"); } if (offset) { sprintf(cmdbuf, "gpt write mmc %d \"%s\"", data->dev[i].dev_id, buf); pr_debug("cmd: %s\n", cmdbuf); if (run_command(cmdbuf, 0)) { stm32prog_err("partitionning fail : %s", cmdbuf); return -1; } } if (data->dev[i].block_dev) part_init(data->dev[i].block_dev); #ifdef DEBUG sprintf(cmdbuf, "gpt verify mmc %d", data->dev[i].dev_id); pr_debug("cmd: %s ", cmdbuf); if (run_command(cmdbuf, 0)) printf("fail !\n"); else printf("OK\n"); /* TEMP : for debug, display partition */ sprintf(cmdbuf, "part list mmc %d", data->dev[i].dev_id); run_command(cmdbuf, 0); #endif } puts("done\n"); return 0; } static int stm32prog_alt_add(struct stm32prog_data *data, struct dfu_entity *dfu, struct stm32prog_part_t *part) { int ret = 0; int offset = 0; char devstr[4]; char dfustr[10]; char buf[ENV_BUF_LEN]; u32 size; char multiplier, type; /* max 3 digit for sector size */ if (part->size > SZ_1M) { size = (u32)(part->size / SZ_1M); multiplier = 'M'; } else if (part->size > SZ_1K) { size = (u32)(part->size / SZ_1K); multiplier = 'K'; } else { size = (u32)part->size; multiplier = 'B'; } if (IS_SELECT(part) && !IS_EMPTY(part)) type = 'e'; /*Readable and Writeable*/ else type = 'a';/*Readable*/ memset(buf, 0, sizeof(buf)); offset = snprintf(buf, ENV_BUF_LEN - offset, "@%s/0x%02x/1*%d%c%c ", part->name, part->id, size, multiplier, type); if (part->part_type == RAW_IMAGE) { u64 dfu_size; if (part->dev->dev_type == DFU_DEV_MMC) dfu_size = part->size / part->dev->lba_blk_size; else dfu_size = part->size; offset += snprintf(buf + offset, ENV_BUF_LEN - offset, "raw 0x0 0x%llx", dfu_size); } else if (part->part_id < 0) { u64 nb_blk = part->size / part->dev->lba_blk_size; /* lba_blk_size, mmc->read_bl_len */ offset += snprintf(buf + offset, ENV_BUF_LEN - offset, "raw 0x%llx 0x%llx", part->addr, nb_blk); offset += snprintf(buf + offset, ENV_BUF_LEN - offset, " mmcpart %d;", -(part->part_id)); } else { if (part->part_type == PART_SYSTEM && (part->dev_type == DFU_DEV_NAND || part->dev_type == DFU_DEV_SF)) offset += snprintf(buf + offset, ENV_BUF_LEN - offset, "partubi"); else offset += snprintf(buf + offset, ENV_BUF_LEN - offset, "part"); offset += snprintf(buf + offset, ENV_BUF_LEN - offset, " %d %d;", part->dev_id, part->part_id); } switch (part->dev_type) { case DFU_DEV_MMC: sprintf(dfustr, "mmc"); sprintf(devstr, "%d", part->dev_id); break; case DFU_DEV_SF: sprintf(dfustr, "sf"); sprintf(devstr, "0:%d", part->dev_id); break; case DFU_DEV_NAND: sprintf(dfustr, "nand"); sprintf(devstr, "%d", part->dev_id); break; default: stm32prog_err("invalid dev_type: %d", part->dev_type); return -ENODEV; } ret = dfu_alt_add(dfu, dfustr, devstr, buf); pr_debug("dfu_alt_add(%s,%s,%s) result %d\n", dfustr, devstr, buf, ret); return ret; } static int stm32prog_alt_add_virt(struct dfu_entity *dfu, char *name, int phase, int size) { int ret = 0; char devstr[4]; char buf[ENV_BUF_LEN]; sprintf(devstr, "%d", phase); sprintf(buf, "@%s/0x%02x/1*%dBe", name, phase, size); ret = dfu_alt_add(dfu, "virt", devstr, buf); pr_debug("dfu_alt_add(virt,%s,%s) result %d\n", devstr, buf, ret); return ret; } static int dfu_init_entities(struct stm32prog_data *data) { int ret = 0; int phase, i, alt_id; struct stm32prog_part_t *part; struct dfu_entity *dfu; int alt_nb; /* nb of alternate = nb part not virtual or 1 for FlashLayout * + 3 virtual for CMD and OTP and PMIC */ if (data->part_nb == 0) { alt_nb = 4; } else { alt_nb = 3; for (i = 0; i < data->part_nb; i++) { if (data->part_array[i].dev_type != DFU_DEV_VIRT) alt_nb++; } } if (dfu_alt_init(alt_nb, &dfu)) return -ENODEV; puts("DFU alt info setting: "); if (data->part_nb) { alt_id = 0; for (phase = 1; (phase <= PHASE_LAST_USER) && (alt_id < alt_nb) && !ret; phase++) { /* ordering alt setting by phase id */ part = NULL; for (i = 0; i < data->part_nb; i++) { if (phase == data->part_array[i].id) { part = &data->part_array[i]; break; } } if (!part) continue; if (part->dev_type == DFU_DEV_VIRT) continue; part->alt_id = alt_id; alt_id++; ret = stm32prog_alt_add(data, dfu, part); } } else { char buf[ENV_BUF_LEN]; sprintf(buf, "@FlashLayout/0x%02x/1*256Ke ram %x 40000", PHASE_FLASHLAYOUT, STM32_DDR_BASE); ret = dfu_alt_add(dfu, "ram", NULL, buf); pr_debug("dfu_alt_add(ram, NULL,%s) result %d\n", buf, ret); } if (!ret) ret = stm32prog_alt_add_virt(dfu, "virtual", PHASE_CMD, 512); if (!ret) ret = stm32prog_alt_add_virt(dfu, "OTP", PHASE_OTP, 512); #ifdef CONFIG_DM_PMIC if (!ret) ret = stm32prog_alt_add_virt(dfu, "PMIC", PHASE_PMIC, 8); #endif if (ret) stm32prog_err("dfu init failed: %d", ret); puts("done\n"); #ifdef DEBUG /* TEMP : for debug */ dfu_show_entities(); #endif return ret; } int stm32prog_otp_write(struct stm32prog_data *data, u32 offset, u8 *buffer, long *size) { pr_debug("%s : %x %lx\n", __func__, offset, *size); if (!data->otp_part) { data->otp_part = memalign(CONFIG_SYS_CACHELINE_SIZE, OTP_SIZE); if (!data->otp_part) return -ENOMEM; } if (!offset) memset(data->otp_part, 0, OTP_SIZE); if (offset + *size > OTP_SIZE) *size = OTP_SIZE - offset; memcpy((void *)((u32)data->otp_part + offset), buffer, *size); return 0; } int stm32prog_otp_read(struct stm32prog_data *data, u32 offset, u8 *buffer, long *size) { #ifndef CONFIG_ARM_SMCCC stm32prog_err("OTP update not supported"); return -1; #else int result = 0; pr_debug("%s : %x %lx\n", __func__, offset, *size); /* alway read for first packet */ if (!offset) { if (!data->otp_part) data->otp_part = memalign(CONFIG_SYS_CACHELINE_SIZE, OTP_SIZE); if (!data->otp_part) { result = -ENOMEM; goto end_otp_read; } /* init struct with 0 */ memset(data->otp_part, 0, OTP_SIZE); /* call the service */ result = stm32_smc_exec(STM32_SMC_BSEC, STM32_SMC_READ_ALL, (u32)data->otp_part, 0); if (result) goto end_otp_read; } if (!data->otp_part) { result = -ENOMEM; goto end_otp_read; } if (offset + *size > OTP_SIZE) *size = OTP_SIZE - offset; memcpy(buffer, (void *)((u32)data->otp_part + offset), *size); end_otp_read: pr_debug("%s : result %i\n", __func__, result); return result; #endif } int stm32prog_otp_start(struct stm32prog_data *data) { #ifndef CONFIG_ARM_SMCCC stm32prog_err("OTP update not supported"); return -1; #else int result = 0; struct arm_smccc_res res; if (!data->otp_part) { stm32prog_err("start OTP without data"); return -1; } arm_smccc_smc(STM32_SMC_BSEC, STM32_SMC_WRITE_ALL, (u32)data->otp_part, 0, 0, 0, 0, 0, &res); if (!res.a0) { switch (res.a1) { case 0: result = 0; break; case 1: stm32prog_err("Provisioning"); result = 0; break; default: pr_err("%s: OTP incorrect value (err = %ld)\n", __func__, res.a1); result = -EINVAL; break; } } else { pr_err("%s: Failed to exec in secure mode (err = %ld)\n", __func__, res.a0); result = -EINVAL; } free(data->otp_part); data->otp_part = NULL; pr_debug("%s : result %i\n", __func__, result); return result; #endif } int stm32prog_pmic_write(struct stm32prog_data *data, u32 offset, u8 *buffer, long *size) { pr_debug("%s : %x %lx\n", __func__, offset, *size); if (!offset) memset(data->pmic_part, 0, PMIC_SIZE); if (offset + *size > PMIC_SIZE) *size = PMIC_SIZE - offset; memcpy(&data->pmic_part[offset], buffer, *size); return 0; } int stm32prog_pmic_read(struct stm32prog_data *data, u32 offset, u8 *buffer, long *size) { #ifndef CONFIG_DM_PMIC stm32prog_err("PMIC update not supported"); return -EOPNOTSUPP; #else /* CONFIG_DM_PMIC */ int result = 0; pr_debug("%s : %x %lx\n", __func__, offset, *size); /* alway request PMIC for first packet */ if (!offset) { /* init struct with 0 */ memset(data->pmic_part, 0, PMIC_SIZE); result = stpmic1_nvm_read_all(data->pmic_part, PMIC_SIZE); if (result < 0) goto end_pmic_read; } if (offset + *size > PMIC_SIZE) *size = PMIC_SIZE - offset; memcpy(buffer, &data->pmic_part[offset], *size); end_pmic_read: pr_debug("%s : result %i\n", __func__, result); return result; #endif /* CONFIG_DM_PMIC */ } int stm32prog_pmic_start(struct stm32prog_data *data) { #ifndef CONFIG_DM_PMIC stm32prog_err("PMIC update not supported"); return -EOPNOTSUPP; #else /* CONFIG_DM_PMIC */ return stpmic1_nvm_write_all(data->pmic_part, PMIC_SIZE); #endif /* CONFIG_DM_PMIC */ } /* copy FSBL on NAND to improve reliability on NAND */ static int stm32prog_copy_fsbl(struct stm32prog_part_t *part) { #ifndef CONFIG_CMD_NAND return -1; #else loff_t start, lim; size_t count, actual = 0; int ret, i; void *fsbl; nand_erase_options_t opts; struct image_header_s header; struct raw_header_s raw_header; if (part->dev_type != DFU_DEV_NAND) return -1; start = part->addr; lim = part->size; count = BL_HEADER_SIZE; ret = nand_read_skip_bad(part->dev->mtd, start, &count, &actual, lim, (void *)&raw_header); if (ret) return ret; if (stm32prog_header_check(&raw_header, &header)) return -1; count = header.image_length + BL_HEADER_SIZE; fsbl = calloc(1, count); if (!fsbl) return -ENOMEM; ret = nand_read_skip_bad(part->dev->mtd, start, &count, &actual, lim, fsbl); if (ret) goto error; memset(&opts, 0, sizeof(opts)); opts.length = count; opts.spread = 1; #ifndef DEBUG opts.quiet = 1; #endif for (i = part->bin_nb - 1; i > 0; i--) { size_t block_offset; /* copy to next block */ start += actual; block_offset = start & (part->dev->mtd->erasesize - 1); if (block_offset != 0) start += part->dev->mtd->erasesize - block_offset; lim = part->size - (start - part->addr); /* first erase */ opts.offset = start; opts.lim = lim; ret = nand_erase_opts(part->dev->mtd, &opts); if (ret) goto error; /* then write */ ret = nand_write_skip_bad(part->dev->mtd, start, &count, &actual, lim, fsbl, WITH_WR_VERIFY); if (ret) goto error; } error: free(fsbl); /* pr_debug("%s exit ret=%d\n", __func__, ret); */ return ret; #endif } void stm32prog_end_phase(struct stm32prog_data *data) { if (data->phase == PHASE_FLASHLAYOUT) { if (parse_flash_layout(data, STM32_DDR_BASE, 0)) stm32prog_err("Layout: invalid FlashLayout"); return; } if (!data->cur_part) return; if (data->cur_part->part_id < 0) { char cmdbuf[60]; sprintf(cmdbuf, "mmc bootbus %d 0 0 0; mmc partconf %d 1 %d 0", data->cur_part->dev_id, data->cur_part->dev_id, -(data->cur_part->part_id)); if (run_command(cmdbuf, 0)) { stm32prog_err("commands %s have failed", cmdbuf); return; } } if (data->cur_part->bin_nb > 1) { if (stm32prog_copy_fsbl(data->cur_part)) { stm32prog_err("copy of fsbl failed"); return; } } } void stm32prog_do_reset(struct stm32prog_data *data) { if (data->phase == PHASE_RESET) { data->phase = PHASE_DO_RESET; puts("Reset requested\n"); } } void stm32prog_next_phase(struct stm32prog_data *data) { int phase, i; struct stm32prog_part_t *part; /*pr_debug("%s entry\n", __func__);*/ phase = data->phase; switch (phase) { case PHASE_RESET: case PHASE_END: case PHASE_DO_RESET: return; } /* found next selected partition */ phase++; data->cur_part = NULL; data->dfu_seq = 0; data->phase = PHASE_END; while ((phase <= PHASE_LAST_USER) && !data->cur_part) { for (i = 0; i < data->part_nb; i++) { part = &data->part_array[i]; if (part->id == phase) { if (IS_SELECT(part) && !IS_EMPTY(part)) { data->cur_part = part; data->phase = phase; } break; } } phase++; } if (data->phase == PHASE_END) puts("Phase=END\n"); /*pr_debug("%s exit phase=0x%x\n", __func__, data->phase);*/ } static int part_delete(struct stm32prog_data *data, struct stm32prog_part_t *part) { int ret = 0; unsigned long blks, blks_offset, blks_size; #ifdef CONFIG_SPI_FLASH char cmdbuf[40]; #endif printf("Erasing %s ", part->name); switch (part->dev_type) { case DFU_DEV_MMC: printf("on mmc %d: ", part->dev->dev_id); blks_offset = lldiv(part->addr, part->dev->lba_blk_size); blks_size = lldiv(part->size, part->dev->lba_blk_size); /* -1 or -2 : delete boot partition of MMC * need to switch to associated hwpart 1 or 2 */ if (part->part_id < 0) if (blk_select_hwpart_devnum(IF_TYPE_MMC, part->dev->dev_id, -part->part_id)) return -1; blks = blk_derase(part->dev->block_dev, blks_offset, blks_size); /* return to user partition */ if (part->part_id < 0) blk_select_hwpart_devnum(IF_TYPE_MMC, part->dev->dev_id, 0); if (blks != blks_size) { ret = -1; stm32prog_err("mmc erase failed"); } break; #ifdef CONFIG_SPI_FLASH case DFU_DEV_SF: printf("on sf %d: ", part->dev->dev_id); sprintf(cmdbuf, "sf erase 0x%llx 0x%llx", part->addr, part->size); if (run_command(cmdbuf, 0)) { ret = -1; stm32prog_err("sf erase commands failed (%s)", cmdbuf); } break; #endif #ifdef CONFIG_CMD_NAND case DFU_DEV_NAND: printf("on nand %d: ", part->dev->dev_id); nand_erase_options_t opts; memset(&opts, 0, sizeof(opts)); opts.offset = part->addr; opts.length = part->size; opts.quiet = 1; ret = nand_erase_opts(part->dev->mtd, &opts); if (ret) stm32prog_err("nand erase failed"); break; #endif default: ret = -1; stm32prog_err("erase invalid"); break; } if (!ret) printf("done\n"); return ret; } void stm32prog_devices_init(struct stm32prog_data *data) { int i; int ret; struct stm32prog_part_t *part; ret = treat_partition_list(data); if (ret) goto error; /* initialize the selected device */ for (i = 0; i < data->dev_nb; i++) { ret = init_device(data, &data->dev[i]); if (ret) goto error; } /* delete RAW partition before create partition */ for (i = 0; i < data->part_nb; i++) { part = &data->part_array[i]; if (part->part_type != RAW_IMAGE) continue; if (!IS_SELECT(part) || !IS_DELETE(part)) continue; ret = part_delete(data, part); if (ret) goto error; } if (data->full_update) { ret = create_partitions(data); if (ret) goto error; } /* delete partition GPT or MTD */ for (i = 0; i < data->part_nb; i++) { part = &data->part_array[i]; if (part->part_type == RAW_IMAGE) continue; if (!IS_SELECT(part) || !IS_DELETE(part)) continue; ret = part_delete(data, part); if (ret) goto error; } return; error: data->part_nb = 0; } int stm32prog_dfu_init(struct stm32prog_data *data) { /* init device if no error */ if (data->part_nb) stm32prog_devices_init(data); if (data->part_nb) stm32prog_next_phase(data); /* prepare DFU for device read/write */ dfu_free_entities(); return dfu_init_entities(data); } struct stm32prog_data *stm32prog_init(enum stm32prog_link_t link, int link_dev, ulong addr, ulong size) { struct stm32prog_data *data; /*pr_debug("%s entry\n", __func__);*/ data = (struct stm32prog_data *)malloc(sizeof(*data)); if (!data) { pr_err("alloc failed"); goto err; } memset(data, 0x0, sizeof(*data)); data->read_phase = PHASE_RESET; data->phase = PHASE_FLASHLAYOUT; parse_flash_layout(data, addr, size); /* prepare DFU for device read/write */ if (stm32prog_dfu_init(data)) goto err; switch (link) { case LINK_SERIAL: if (stm32prog_serial_init(data, link_dev)) goto err; data->buffer = memalign(CONFIG_SYS_CACHELINE_SIZE, USART_RAM_BUFFER_SIZE); break; case LINK_USB: break; default: break; } /*pr_debug("%s exit ok\n", __func__);*/ return data; err: free(data); pr_debug("%s exit error\n", __func__); return 0; } void stm32prog_clean(struct stm32prog_data *data) { /* clean */ dfu_free_entities(); free(data->part_array); free(data->otp_part); free(data->buffer); free(data->header_data); free(data); }