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author | Gabor Juhos <juhosg@openwrt.org> | 2010-03-14 18:20:04 +0000 |
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committer | Gabor Juhos <juhosg@openwrt.org> | 2010-03-14 18:20:04 +0000 |
commit | f19453c2bc4e147891e7da59265edd2169f7a53c (patch) | |
tree | bc7fb864d95ff2f63fbab550c17e4ce1df025573 /target/linux/atheros/patches-2.6.30/141-redboot_various_erase_size_fix.patch | |
parent | 4fd777fab1d8c573628873f344461e2f2a3cf34c (diff) | |
download | master-187ad058-f19453c2bc4e147891e7da59265edd2169f7a53c.tar.gz master-187ad058-f19453c2bc4e147891e7da59265edd2169f7a53c.tar.bz2 master-187ad058-f19453c2bc4e147891e7da59265edd2169f7a53c.zip |
atheros: fix FIS directory parsing on Top Boot flash chips
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@20213 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/atheros/patches-2.6.30/141-redboot_various_erase_size_fix.patch')
-rw-r--r-- | target/linux/atheros/patches-2.6.30/141-redboot_various_erase_size_fix.patch | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/target/linux/atheros/patches-2.6.30/141-redboot_various_erase_size_fix.patch b/target/linux/atheros/patches-2.6.30/141-redboot_various_erase_size_fix.patch new file mode 100644 index 0000000000..b9cb0b4bcd --- /dev/null +++ b/target/linux/atheros/patches-2.6.30/141-redboot_various_erase_size_fix.patch @@ -0,0 +1,72 @@ +--- a/drivers/mtd/redboot.c ++++ b/drivers/mtd/redboot.c +@@ -39,6 +39,22 @@ static inline int redboot_checksum(struc + return 1; + } + ++static uint32_t mtd_get_offset_erasesize(struct mtd_info *mtd, uint64_t offset) ++{ ++ struct mtd_erase_region_info *regions = mtd->eraseregions; ++ int i; ++ ++ for (i = 0; i < mtd->numeraseregions; i++) { ++ if (regions[i].offset + ++ regions[i].numblocks * regions[i].erasesize <= offset) ++ continue; ++ ++ return regions[i].erasesize; ++ } ++ ++ return mtd->erasesize; ++} ++ + static int parse_redboot_partitions(struct mtd_info *master, + struct mtd_partition **pparts, + unsigned long fis_origin) +@@ -55,6 +71,7 @@ static int parse_redboot_partitions(stru + int namelen = 0; + int nulllen = 0; + int numslots; ++ int first_slot; + unsigned long offset; + #ifdef CONFIG_MTD_REDBOOT_PARTS_UNALLOCATED + static char nullstring[] = "unallocated"; +@@ -168,7 +185,10 @@ static int parse_redboot_partitions(stru + goto out; + } + +- for (i = 0; i < numslots; i++) { ++ first_slot = (buf[i].flash_base & (master->erasesize - 1)) / ++ sizeof(struct fis_image_desc); ++ ++ for (i = first_slot; i < first_slot + numslots; i++) { + struct fis_list *new_fl, **prev; + + if (buf[i].name[0] == 0xff) { +@@ -244,12 +264,13 @@ static int parse_redboot_partitions(stru + } + #endif + for ( ; i<nrparts; i++) { +- if(max_offset < buf[i].flash_base + buf[i].size) +- max_offset = buf[i].flash_base + buf[i].size; + parts[i].size = fl->img->size; + parts[i].offset = fl->img->flash_base; + parts[i].name = names; + ++ if (max_offset < parts[i].offset + parts[i].size) ++ max_offset = parts[i].offset + parts[i].size; ++ + strcpy(names, fl->img->name); + #ifdef CONFIG_MTD_REDBOOT_PARTS_READONLY + if (!memcmp(names, "RedBoot", 8) || +@@ -279,7 +300,9 @@ static int parse_redboot_partitions(stru + fl = fl->next; + kfree(tmp_fl); + } +- if(master->size - max_offset >= master->erasesize) ++ ++ if (master->size - max_offset >= ++ mtd_get_offset_erasesize(master, max_offset)) + { + parts[nrparts].size = master->size - max_offset; + parts[nrparts].offset = max_offset; |