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| author | Florian Fainelli <florian@openwrt.org> | 2011-03-07 16:55:01 +0000 |
|---|---|---|
| committer | Florian Fainelli <florian@openwrt.org> | 2011-03-07 16:55:01 +0000 |
| commit | aa580d336b7dd899bab82b9abb004b9312ac0ff4 (patch) | |
| tree | fd671f72d961b4e7496d13dd549eb24bb94aeb6c /target/linux | |
| parent | b52beae1afe0be88f4ba9c1af593619f0303aedd (diff) | |
| download | upstream-aa580d336b7dd899bab82b9abb004b9312ac0ff4.tar.gz upstream-aa580d336b7dd899bab82b9abb004b9312ac0ff4.tar.bz2 upstream-aa580d336b7dd899bab82b9abb004b9312ac0ff4.zip | |
bcm63xx: Really fix the flash driver in 2.6.37
Read back the actual rootfs length from the image tag.
Signed-off-by: Jonas Gorski <jonas.gorski+openwrt@gmail.com>
SVN-Revision: 25938
Diffstat (limited to 'target/linux')
| -rw-r--r-- | target/linux/brcm63xx/patches-2.6.37/041-bcm963xx_real_rootfs_length.patch | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/target/linux/brcm63xx/patches-2.6.37/041-bcm963xx_real_rootfs_length.patch b/target/linux/brcm63xx/patches-2.6.37/041-bcm963xx_real_rootfs_length.patch new file mode 100644 index 0000000000..cde2b92233 --- /dev/null +++ b/target/linux/brcm63xx/patches-2.6.37/041-bcm963xx_real_rootfs_length.patch @@ -0,0 +1,45 @@ +--- a/arch/mips/include/asm/mach-bcm63xx/bcm963xx_tag.h ++++ b/arch/mips/include/asm/mach-bcm63xx/bcm963xx_tag.h +@@ -86,8 +86,10 @@ struct bcm_tag { + char rootfs_crc[CRC_LEN]; + /* 224-227: CRC32 of kernel partition */ + char kernel_crc[CRC_LEN]; +- /* 228-235: Unused at present */ +- char reserved1[8]; ++ /* 228-231: OpenWrt: real rootfs length */ ++ char real_rootfs_length[4]; ++ /* 222-235: Unused at present */ ++ char reserved1[4]; + /* 236-239: CRC32 of header excluding tagVersion */ + char header_crc[CRC_LEN]; + /* 240-255: Unused at present */ +--- a/drivers/mtd/maps/bcm963xx-flash.c ++++ b/drivers/mtd/maps/bcm963xx-flash.c +@@ -64,7 +64,7 @@ static int parse_cfe_partitions(struct m + int ret; + size_t retlen; + unsigned int rootfsaddr, kerneladdr, spareaddr; +- unsigned int rootfslen, kernellen, sparelen, totallen; ++ unsigned int rootfslen, kernellen, sparelen; + int namelen = 0; + int i; + char *boardid; +@@ -85,7 +85,7 @@ static int parse_cfe_partitions(struct m + + sscanf(buf->kernel_address, "%u", &kerneladdr); + sscanf(buf->kernel_length, "%u", &kernellen); +- sscanf(buf->total_length, "%u", &totallen); ++ rootfslen = *(uint32_t *)(&(buf->real_rootfs_length)); + tagversion = &(buf->tag_version[0]); + boardid = &(buf->board_id[0]); + +@@ -94,7 +94,8 @@ static int parse_cfe_partitions(struct m + + kerneladdr = kerneladdr - BCM63XX_EXTENDED_SIZE; + rootfsaddr = kerneladdr + kernellen; +- spareaddr = roundup(totallen, master->erasesize) + master->erasesize; ++ rootfslen = roundup(rootfslen, master->erasesize); ++ spareaddr = rootfsaddr + rootfslen; + sparelen = master->size - spareaddr - master->erasesize; + rootfslen = spareaddr - rootfsaddr; + |