diff options
Diffstat (limited to 'target/linux')
| -rw-r--r-- | target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit_uimage.c | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit_uimage.c b/target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit_uimage.c index 55eaca9946..ef2d857abb 100644 --- a/target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit_uimage.c +++ b/target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit_uimage.c @@ -69,7 +69,8 @@ read_uimage_header(struct mtd_info *mtd, size_t offset, u_char *buf, return 0; } -static void uimage_parse_dt(struct mtd_info *master, int *extralen, u32 *ih_magic) +static void uimage_parse_dt(struct mtd_info *master, int *extralen, + u32 *ih_magic, u32 *ih_type) { struct device_node *np = mtd_get_of_node(master); @@ -80,6 +81,8 @@ static void uimage_parse_dt(struct mtd_info *master, int *extralen, u32 *ih_magi pr_debug("got openwrt,padding=%d from device-tree\n", *extralen); if (!of_property_read_u32(np, "openwrt,ih-magic", ih_magic)) pr_debug("got openwrt,ih-magic=%08x from device-tree\n", *ih_magic); + if (!of_property_read_u32(np, "openwrt,ih-type", ih_type)) + pr_debug("got openwrt,ih-type=%08x from device-tree\n", *ih_type); } /** @@ -91,7 +94,7 @@ static void uimage_parse_dt(struct mtd_info *master, int *extralen, u32 *ih_magi static int __mtdsplit_parse_uimage(struct mtd_info *master, const struct mtd_partition **pparts, struct mtd_part_parser_data *data, - ssize_t (*find_header)(u_char *buf, size_t len, u32 ih_magic)) + ssize_t (*find_header)(u_char *buf, size_t len, u32 ih_magic, u32 ih_type)) { struct mtd_partition *parts; u_char *buf; @@ -105,6 +108,7 @@ static int __mtdsplit_parse_uimage(struct mtd_info *master, int ret; int extralen = 0; u32 ih_magic = IH_MAGIC; + u32 ih_type = IH_TYPE_KERNEL; enum mtdsplit_part_type type; nr_parts = 2; @@ -118,7 +122,7 @@ static int __mtdsplit_parse_uimage(struct mtd_info *master, goto err_free_parts; } - uimage_parse_dt(master, &extralen, &ih_magic); + uimage_parse_dt(master, &extralen, &ih_magic, &ih_type); /* find uImage on erase block boundaries */ for (offset = 0; offset < master->size; offset += master->erasesize) { @@ -130,7 +134,7 @@ static int __mtdsplit_parse_uimage(struct mtd_info *master, if (ret) continue; - ret = find_header(buf, MAX_HEADER_LEN, ih_magic); + ret = find_header(buf, MAX_HEADER_LEN, ih_magic, ih_type); if (ret < 0) { pr_debug("no valid uImage found in \"%s\" at offset %llx\n", master->name, (unsigned long long) offset); @@ -218,7 +222,7 @@ err_free_parts: return ret; } -static ssize_t uimage_verify_default(u_char *buf, size_t len, u32 ih_magic) +static ssize_t uimage_verify_default(u_char *buf, size_t len, u32 ih_magic, u32 ih_type) { struct uimage_header *header = (struct uimage_header *)buf; @@ -235,9 +239,9 @@ static ssize_t uimage_verify_default(u_char *buf, size_t len, u32 ih_magic) return -EINVAL; } - if (header->ih_type != IH_TYPE_KERNEL) { + if (header->ih_type != ih_type) { pr_debug("invalid uImage type: %08x != %08x\n", - be32_to_cpu(header->ih_type), IH_TYPE_KERNEL); + be32_to_cpu(header->ih_type), ih_type); return -EINVAL; } @@ -279,7 +283,7 @@ static struct mtd_part_parser uimage_generic_parser = { #define FW_MAGIC_WNDR3700V2 0x33373031 #define FW_MAGIC_WPN824N 0x31313030 -static ssize_t uimage_verify_wndr3700(u_char *buf, size_t len, u32 ih_magic) +static ssize_t uimage_verify_wndr3700(u_char *buf, size_t len, u32 ih_magic, u32 ih_type) { struct uimage_header *header = (struct uimage_header *)buf; uint8_t expected_type = IH_TYPE_FILESYSTEM; @@ -340,7 +344,7 @@ static struct mtd_part_parser uimage_netgear_parser = { #define FW_EDIMAX_OFFSET 20 #define FW_MAGIC_EDIMAX 0x43535953 -static ssize_t uimage_find_edimax(u_char *buf, size_t len, u32 ih_magic) +static ssize_t uimage_find_edimax(u_char *buf, size_t len, u32 ih_magic, u32 ih_type) { u32 *magic; @@ -353,7 +357,7 @@ static ssize_t uimage_find_edimax(u_char *buf, size_t len, u32 ih_magic) if (be32_to_cpu(*magic) != FW_MAGIC_EDIMAX) return -EINVAL; - if (!uimage_verify_default(buf + FW_EDIMAX_OFFSET, len, ih_magic)) + if (!uimage_verify_default(buf + FW_EDIMAX_OFFSET, len, ih_magic, ih_type)) return FW_EDIMAX_OFFSET; return -EINVAL; |