diff options
Diffstat (limited to 'drivers/mtd')
-rw-r--r-- | drivers/mtd/chips/cfi_cmdset_0001.c | 1 | ||||
-rw-r--r-- | drivers/mtd/devices/mtd_dataflash.c | 2 | ||||
-rw-r--r-- | drivers/mtd/redboot.c | 28 |
3 files changed, 28 insertions, 3 deletions
diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c index ded2c33f5b85..1c074d63ff3a 100644 --- a/drivers/mtd/chips/cfi_cmdset_0001.c +++ b/drivers/mtd/chips/cfi_cmdset_0001.c @@ -408,6 +408,7 @@ struct mtd_info *cfi_cmdset_0001(struct map_info *map, int primary) cfi->chips[i].buffer_write_time = 1<<cfi->cfiq->BufWriteTimeoutTyp; cfi->chips[i].erase_time = 1<<cfi->cfiq->BlockEraseTimeoutTyp; cfi->chips[i].ref_point_counter = 0; + init_waitqueue_head(&(cfi->chips[i].wq)); } map->fldrv = &cfi_intelext_chipdrv; diff --git a/drivers/mtd/devices/mtd_dataflash.c b/drivers/mtd/devices/mtd_dataflash.c index 155737e7483f..a19480d07888 100644 --- a/drivers/mtd/devices/mtd_dataflash.c +++ b/drivers/mtd/devices/mtd_dataflash.c @@ -178,7 +178,7 @@ static int dataflash_erase(struct mtd_info *mtd, struct erase_info *instr) * we're at a block boundary and need to erase the whole block. */ pageaddr = instr->addr / priv->page_size; - do_block = (pageaddr & 0x7) == 0 && instr->len <= blocksize; + do_block = (pageaddr & 0x7) == 0 && instr->len >= blocksize; pageaddr = pageaddr << priv->page_offset; command[0] = do_block ? OP_ERASE_BLOCK : OP_ERASE_PAGE; diff --git a/drivers/mtd/redboot.c b/drivers/mtd/redboot.c index 7b7ca5ab5ae4..8815c8dbef2d 100644 --- a/drivers/mtd/redboot.c +++ b/drivers/mtd/redboot.c @@ -1,5 +1,5 @@ /* - * $Id: redboot.c,v 1.18 2005/11/07 11:14:21 gleixner Exp $ + * $Id: redboot.c,v 1.19 2005/12/01 10:03:51 dwmw2 Exp $ * * Parse RedBoot-style Flash Image System (FIS) tables and * produce a Linux partition array to match. @@ -89,8 +89,32 @@ static int parse_redboot_partitions(struct mtd_info *master, i = numslots; break; } - if (!memcmp(buf[i].name, "FIS directory", 14)) + if (!memcmp(buf[i].name, "FIS directory", 14)) { + /* This is apparently the FIS directory entry for the + * FIS directory itself. The FIS directory size is + * one erase block; if the buf[i].size field is + * swab32(erasesize) then we know we are looking at + * a byte swapped FIS directory - swap all the entries! + * (NOTE: this is 'size' not 'data_length'; size is + * the full size of the entry.) + */ + if (swab32(buf[i].size) == master->erasesize) { + int j; + for (j = 0; j < numslots && buf[j].name[0] != 0xff; ++j) { + /* The unsigned long fields were written with the + * wrong byte sex, name and pad have no byte sex. + */ + swab32s(&buf[j].flash_base); + swab32s(&buf[j].mem_base); + swab32s(&buf[j].size); + swab32s(&buf[j].entry_point); + swab32s(&buf[j].data_length); + swab32s(&buf[j].desc_cksum); + swab32s(&buf[j].file_cksum); + } + } break; + } } if (i == numslots) { /* Didn't find it */ |