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 <fujia...@gmail.com>
> Signed-off-by: Mike Frysinger <vap...@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);
> }
> }
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