diff options
Diffstat (limited to 'drivers/mtd/cfi_flash.c')
| -rw-r--r-- | drivers/mtd/cfi_flash.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/mtd/cfi_flash.c b/drivers/mtd/cfi_flash.c index bc5e1514e..84ff7e809 100644 --- a/drivers/mtd/cfi_flash.c +++ b/drivers/mtd/cfi_flash.c @@ -1808,6 +1808,20 @@ static void flash_fixup_atmel(flash_info_t *info, struct cfi_qry *qry) cfi_reverse_geometry(qry); } +static void flash_fixup_stm(flash_info_t *info, struct cfi_qry *qry) +{ + /* check if flash geometry needs reversal */ + if (qry->num_erase_regions > 1) { + /* reverse geometry if top boot part */ + if (info->cfi_version < 0x3131) { + /* CFI < 1.1, guess by device id (only M29W320ET now) */ + if (info->device_id == 0x2256) { + cfi_reverse_geometry(qry); + } + } + } +} + /* * The following code cannot be run from FLASH! * @@ -1881,6 +1895,9 @@ ulong flash_get_size (ulong base, int banknum) case 0x001f: flash_fixup_atmel(info, &qry); break; + case 0x0020: + flash_fixup_stm(info, &qry); + break; } debug ("manufacturer is %d\n", info->vendor); |