On Sunday 10 April 2011 22:06:29 Mike Frysinger wrote:

The M29W800DT parts also report their geometry with the sector layout reversed. So add that ID to the flash_fixup_stm function.

Maybe rework the stuff below into some table or it'll be a mess soon?

Cheers

Otherwise, we get: bfin> flinfo

Bank # 1: CFI conformant FLASH (16 x 16) Size: 1 MB in 19 Sectors AMD Standard command set, Manufacturer ID: 0x20, Device ID: 0x22D7 Erase timeout: 8192 ms, write timeout: 1 ms

Sector Start Addresses: 20000000 20004000 20006000 20008000 20010000 20020000 20030000 20040000 20050000 20060000 20070000 20080000 20090000 200A0000 200B0000 200C0000 200D0000 200E0000 200F0000

Reported-by: Jianxi Fu fujianxi@gmail.com Signed-off-by: Mike Frysinger vapier@gentoo.org

---

drivers/mtd/cfi_flash.c | 7 ++++--- 1 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/mtd/cfi_flash.c b/drivers/mtd/cfi_flash.c index 0909fe7..69f12d3 100644 --- a/drivers/mtd/cfi_flash.c +++ b/drivers/mtd/cfi_flash.c @@ -1852,9 +1852,10 @@ static void flash_fixup_stm(flash_info_t *info, struct cfi_qry *qry) if (qry->num_erase_regions > 1) { /* reverse geometry if top boot part */ if (info->cfi_version < 0x3131) {

• 	/* CFI < 1.1, guess by device id (M29W320{DT,ET} only) */
  

• 	if (info->device_id == 0x22CA ||
  

• 	    info->device_id == 0x2256) {
  

• 	/* CFI < 1.1, guess by device id */
  

• 	if (info->device_id == 0x22CA || /* M29W320DT */
  

• 	    info->device_id == 0x2256 || /* M29W320ET */
  

• 	    info->device_id == 0x22D7) { /* M29W800DT */
  	cfi_reverse_geometry(qry);
  }
  

  }