mtd: cfi_cmdset_0002: add support for Samsung K8D3x16UxC NOR chips

These chips report CFI v3.3 [1], so patch them on the fly to the more
correct v1.3.
Discussed and tested by the OpenWRT people [2].

[1] http://www.samsung.com/global/system/business/semiconductor/product/2007/6/11/NORFlash/32Mbit/K8D3216UBC/ds_K8D3x16UxC_rev17.pdf
[2] https://dev.openwrt.org/ticket/866

Signed-off-by: Guillaume LECERF <glecerf@gmail.com>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Guillaume LECERF 2010-12-17 10:59:47 +01:00 коммит произвёл David Woodhouse
Родитель e637276370
Коммит e8953b7395
1 изменённых файлов: 3 добавлений и 1 удалений

Просмотреть файл

@ -393,10 +393,12 @@ static void cfi_fixup_major_minor(struct cfi_private *cfi,
struct cfi_pri_amdstd *extp) struct cfi_pri_amdstd *extp)
{ {
if (cfi->mfr == CFI_MFR_SAMSUNG) { if (cfi->mfr == CFI_MFR_SAMSUNG) {
if (extp->MajorVersion == '0' && extp->MinorVersion == '0') { if ((extp->MajorVersion == '0' && extp->MinorVersion == '0') ||
(extp->MajorVersion == '3' && extp->MinorVersion == '3')) {
/* /*
* Samsung K8P2815UQB and K8D6x16UxM chips * Samsung K8P2815UQB and K8D6x16UxM chips
* report major=0 / minor=0. * report major=0 / minor=0.
* K8D3x16UxC chips report major=3 / minor=3.
*/ */
printk(KERN_NOTICE " Fixing Samsung's Amd/Fujitsu" printk(KERN_NOTICE " Fixing Samsung's Amd/Fujitsu"
" Extended Query version to 1.%c\n", " Extended Query version to 1.%c\n",