Fixup for Numonyx M29W128 chips
PATCH 1/1 Fixup for Numonyx M29W128 chips
From: Darius Augulis <[email protected]>
Prevent NUMONYX M29W128G memories from using write buffer, because it doesn't work properly.
Signed-off-by Darius Augulis <[email protected]>
drivers/mtd/chips/cfi_cmdset_0002.c +11 -0
@@ -282,6 +282,16 @@ static void fixup_s29gl032n_sectors(stru } } +static void fixup_M29W128G_write_buffer (struct mtd_info *mtd,void *param) +{ +struct map_info *map = mtd->priv; +struct cfi_private *cfi = map->fldrv_priv; +if (cfi->cfiq->BufWriteTimeoutTyp) { +pr_warning ("Don't use write buffer on ST flash M29W128G\n" ); + cfi->cfiq->BufWriteTimeoutTyp =0 ; + } +} +static struct cfi_fixup cfi_fixup_table[] = { {CFI_MFR_ATMEL ,CFI_ID_ANY , fixup_convert_atmel_pri,NULL }, #ifdef AMD_BOOTLOC_BUG
@@ -298,6 +308,7 @@ static struct cfi_fixup cfi_fixup_table[ { CFI_MFR_AMD, 0x1301, fixup_s29gl064n_sectors, NULL, }, { CFI_MFR_AMD, 0x1a00, fixup_s29gl032n_sectors, NULL, }, { CFI_MFR_AMD, 0x1a01, fixup_s29gl032n_sectors, NULL, }, + { CFI_MFR_ST, 0x227E, fixup_M29W128G_write_buffer, NULL, }, #if !FORCE_WORD_WRITE { CFI_MFR_ANY, CFI_ID_ANY, fixup_use_write_buffers, NULL, }, #endif