diff options
Diffstat (limited to 'target/linux/generic/files/drivers')
| -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 57d8b9f420..f9544ec382 100644 --- a/target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit_uimage.c +++ b/target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit_uimage.c @@ -19,6 +19,7 @@ #include <linux/version.h> #include <linux/byteorder/generic.h> #include <linux/of.h> +#include <dt-bindings/mtd/partitions/uimage.h> #include "mtdsplit.h" @@ -28,14 +29,6 @@ */ #define MAX_HEADER_LEN 96 -#define IH_MAGIC 0x27051956 /* Image Magic Number */ -#define IH_NMLEN 32 /* Image Name Length */ - -#define IH_OS_LINUX 5 /* Linux */ - -#define IH_TYPE_KERNEL 2 /* OS Kernel Image */ -#define IH_TYPE_FILESYSTEM 7 /* Filesystem Image */ - /* * Legacy format image header, * all data in network byte order (aka natural aka bigendian). @@ -76,6 +69,15 @@ 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) +{ + struct device_node *np = mtd_get_of_node(master); + + if (!np || !of_device_is_compatible(np, "openwrt,uimage")) + return; + of_property_read_u32(np, "openwrt,padding", extralen); +} + /** * __mtdsplit_parse_uimage - scan partition and create kernel + rootfs parts * @@ -97,7 +99,7 @@ static int __mtdsplit_parse_uimage(struct mtd_info *master, size_t rootfs_size = 0; int uimage_part, rf_part; int ret; - int extralen; + int extralen = 0; enum mtdsplit_part_type type; nr_parts = 2; @@ -111,6 +113,8 @@ static int __mtdsplit_parse_uimage(struct mtd_info *master, goto err_free_parts; } + uimage_parse_dt(master, &extralen); + /* find uImage on erase block boundaries */ for (offset = 0; offset < master->size; offset += master->erasesize) { struct uimage_header *header; @@ -121,7 +125,6 @@ static int __mtdsplit_parse_uimage(struct mtd_info *master, if (ret) continue; - extralen = 0; ret = find_header(buf, MAX_HEADER_LEN, &extralen); if (ret < 0) { pr_debug("no valid uImage found in \"%s\" at offset %llx\n", @@ -247,6 +250,7 @@ mtdsplit_uimage_parse_generic(struct mtd_info *master, static const struct of_device_id mtdsplit_uimage_of_match_table[] = { { .compatible = "denx,uimage" }, + { .compatible = "openwrt,uimage" }, {}, }; |