openwrt-owl/target/linux/brcm63xx/patches-3.3/041-bcm963xx_real_rootfs_le...

45 lines
1.6 KiB
Diff

--- a/arch/mips/include/asm/mach-bcm63xx/bcm963xx_tag.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm963xx_tag.h
@@ -85,8 +85,10 @@ struct bcm_tag {
__u32 rootfs_crc;
/* 224-227: CRC32 of kernel partition */
__u32 kernel_crc;
- /* 228-235: Unused at present */
- char reserved1[8];
+ /* 228-231: Image sequence number */
+ char image_sequence[4];
+ /* 222-235: Openwrt: real rootfs length */
+ __u32 real_rootfs_length;
/* 236-239: CRC32 of header excluding last 20 bytes */
__u32 header_crc;
/* 240-255: Unused at present */
--- a/drivers/mtd/bcm63xxpart.c
+++ b/drivers/mtd/bcm63xxpart.c
@@ -77,7 +77,7 @@ static int bcm63xx_parse_cfe_partitions(
int ret;
size_t retlen;
unsigned int rootfsaddr, kerneladdr, spareaddr;
- unsigned int rootfslen, kernellen, sparelen, totallen;
+ unsigned int rootfslen, kernellen, sparelen;
unsigned int cfelen, nvramlen;
int namelen = 0;
int i;
@@ -111,14 +111,15 @@ static int bcm63xx_parse_cfe_partitions(
sscanf(buf->kernel_address, "%u", &kerneladdr);
sscanf(buf->kernel_length, "%u", &kernellen);
- sscanf(buf->total_length, "%u", &totallen);
+ rootfslen = buf->real_rootfs_length;
pr_info("CFE boot tag found with version %s and board type %s\n",
tagversion, boardid);
kerneladdr = kerneladdr - BCM63XX_EXTENDED_SIZE;
rootfsaddr = kerneladdr + kernellen;
- spareaddr = roundup(totallen, master->erasesize) + cfelen;
+ rootfslen = roundup(rootfslen, master->erasesize);
+ spareaddr = rootfsaddr + rootfslen;
sparelen = master->size - spareaddr - nvramlen;
rootfslen = spareaddr - rootfsaddr;
} else {