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