diff options
Diffstat (limited to 'drivers/mtd/chips/cfi_cmdset_0002.c')
| -rw-r--r-- | drivers/mtd/chips/cfi_cmdset_0002.c | 30 |
1 files changed, 28 insertions, 2 deletions
diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c index 458d477614d6..f7fcc6389533 100644 --- a/drivers/mtd/chips/cfi_cmdset_0002.c +++ b/drivers/mtd/chips/cfi_cmdset_0002.c @@ -220,6 +220,28 @@ static void fixup_use_atmel_lock(struct mtd_info *mtd, void *param) mtd->flags |= MTD_POWERUP_LOCK; } +static void fixup_s29gl064n_sectors(struct mtd_info *mtd, void *param) +{ + struct map_info *map = mtd->priv; + struct cfi_private *cfi = map->fldrv_priv; + + if ((cfi->cfiq->EraseRegionInfo[0] & 0xffff) == 0x003f) { + cfi->cfiq->EraseRegionInfo[0] |= 0x0040; + pr_warning("%s: Bad S29GL064N CFI data, adjust from 64 to 128 sectors\n", mtd->name); + } +} + +static void fixup_s29gl032n_sectors(struct mtd_info *mtd, void *param) +{ + struct map_info *map = mtd->priv; + struct cfi_private *cfi = map->fldrv_priv; + + if ((cfi->cfiq->EraseRegionInfo[1] & 0xffff) == 0x007e) { + cfi->cfiq->EraseRegionInfo[1] &= ~0x0040; + pr_warning("%s: Bad S29GL032N CFI data, adjust from 127 to 63 sectors\n", mtd->name); + } +} + static struct cfi_fixup cfi_fixup_table[] = { { CFI_MFR_ATMEL, CFI_ID_ANY, fixup_convert_atmel_pri, NULL }, #ifdef AMD_BOOTLOC_BUG @@ -231,6 +253,10 @@ static struct cfi_fixup cfi_fixup_table[] = { { CFI_MFR_AMD, 0x0056, fixup_use_secsi, NULL, }, { CFI_MFR_AMD, 0x005C, fixup_use_secsi, NULL, }, { CFI_MFR_AMD, 0x005F, fixup_use_secsi, NULL, }, + { CFI_MFR_AMD, 0x0c01, fixup_s29gl064n_sectors, NULL, }, + { CFI_MFR_AMD, 0x1301, fixup_s29gl064n_sectors, NULL, }, + { CFI_MFR_AMD, 0x1a00, fixup_s29gl032n_sectors, NULL, }, + { CFI_MFR_AMD, 0x1a01, fixup_s29gl032n_sectors, NULL, }, #if !FORCE_WORD_WRITE { CFI_MFR_ANY, CFI_ID_ANY, fixup_use_write_buffers, NULL, }, #endif @@ -723,10 +749,10 @@ static void __xipram xip_udelay(struct map_info *map, struct flchip *chip, chip->erase_suspended = 1; map_write(map, CMD(0xf0), adr); (void) map_read(map, adr); - asm volatile (".rep 8; nop; .endr"); + xip_iprefetch(); local_irq_enable(); spin_unlock(chip->mutex); - asm volatile (".rep 8; nop; .endr"); + xip_iprefetch(); cond_resched(); /* |