diff options
Diffstat (limited to 'drivers/mtd/chips/cfi_cmdset_0001.c')
| -rw-r--r-- | drivers/mtd/chips/cfi_cmdset_0001.c | 35 |
1 files changed, 25 insertions, 10 deletions
diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c index e7563a9872d0..5fbf29e1e64f 100644 --- a/drivers/mtd/chips/cfi_cmdset_0001.c +++ b/drivers/mtd/chips/cfi_cmdset_0001.c @@ -43,15 +43,17 @@ // debugging, turns off buffer write mode if set to 1 #define FORCE_WORD_WRITE 0 -#define MANUFACTURER_INTEL 0x0089 +/* Intel chips */ #define I82802AB 0x00ad #define I82802AC 0x00ac #define PF38F4476 0x881c -#define MANUFACTURER_ST 0x0020 +/* STMicroelectronics chips */ #define M50LPW080 0x002F #define M50FLW080A 0x0080 #define M50FLW080B 0x0081 +/* Atmel chips */ #define AT49BV640D 0x02de +#define AT49BV640DT 0x02db static int cfi_intelext_read (struct mtd_info *, loff_t, size_t, size_t *, u_char *); static int cfi_intelext_write_words(struct mtd_info *, loff_t, size_t, size_t *, const u_char *); @@ -199,6 +201,16 @@ static void fixup_convert_atmel_pri(struct mtd_info *mtd, void *param) cfi->cfiq->BufWriteTimeoutMax = 0; } +static void fixup_at49bv640dx_lock(struct mtd_info *mtd, void *param) +{ + struct map_info *map = mtd->priv; + struct cfi_private *cfi = map->fldrv_priv; + struct cfi_pri_intelext *cfip = cfi->cmdset_priv; + + cfip->FeatureSupport |= (1 << 5); + mtd->flags |= MTD_POWERUP_LOCK; +} + #ifdef CMDSET0001_DISABLE_ERASE_SUSPEND_ON_WRITE /* Some Intel Strata Flash prior to FPO revision C has bugs in this area */ static void fixup_intel_strataflash(struct mtd_info *mtd, void* param) @@ -283,6 +295,8 @@ static void fixup_unlock_powerup_lock(struct mtd_info *mtd, void *param) static struct cfi_fixup cfi_fixup_table[] = { { CFI_MFR_ATMEL, CFI_ID_ANY, fixup_convert_atmel_pri, NULL }, + { CFI_MFR_ATMEL, AT49BV640D, fixup_at49bv640dx_lock, NULL }, + { CFI_MFR_ATMEL, AT49BV640DT, fixup_at49bv640dx_lock, NULL }, #ifdef CMDSET0001_DISABLE_ERASE_SUSPEND_ON_WRITE { CFI_MFR_ANY, CFI_ID_ANY, fixup_intel_strataflash, NULL }, #endif @@ -294,16 +308,16 @@ static struct cfi_fixup cfi_fixup_table[] = { #endif { CFI_MFR_ST, 0x00ba, /* M28W320CT */ fixup_st_m28w320ct, NULL }, { CFI_MFR_ST, 0x00bb, /* M28W320CB */ fixup_st_m28w320cb, NULL }, - { MANUFACTURER_INTEL, CFI_ID_ANY, fixup_unlock_powerup_lock, NULL, }, + { CFI_MFR_INTEL, CFI_ID_ANY, fixup_unlock_powerup_lock, NULL, }, { 0, 0, NULL, NULL } }; static struct cfi_fixup jedec_fixup_table[] = { - { MANUFACTURER_INTEL, I82802AB, fixup_use_fwh_lock, NULL, }, - { MANUFACTURER_INTEL, I82802AC, fixup_use_fwh_lock, NULL, }, - { MANUFACTURER_ST, M50LPW080, fixup_use_fwh_lock, NULL, }, - { MANUFACTURER_ST, M50FLW080A, fixup_use_fwh_lock, NULL, }, - { MANUFACTURER_ST, M50FLW080B, fixup_use_fwh_lock, NULL, }, + { CFI_MFR_INTEL, I82802AB, fixup_use_fwh_lock, NULL, }, + { CFI_MFR_INTEL, I82802AC, fixup_use_fwh_lock, NULL, }, + { CFI_MFR_ST, M50LPW080, fixup_use_fwh_lock, NULL, }, + { CFI_MFR_ST, M50FLW080A, fixup_use_fwh_lock, NULL, }, + { CFI_MFR_ST, M50FLW080B, fixup_use_fwh_lock, NULL, }, { 0, 0, NULL, NULL } }; static struct cfi_fixup fixup_table[] = { @@ -319,7 +333,7 @@ static struct cfi_fixup fixup_table[] = { static void cfi_fixup_major_minor(struct cfi_private *cfi, struct cfi_pri_intelext *extp) { - if (cfi->mfr == MANUFACTURER_INTEL && + if (cfi->mfr == CFI_MFR_INTEL && cfi->id == PF38F4476 && extp->MinorVersion == '3') extp->MinorVersion = '1'; } @@ -2235,7 +2249,7 @@ static int cfi_intelext_otp_walk(struct mtd_info *mtd, loff_t from, size_t len, /* Some chips have OTP located in the _top_ partition only. For example: Intel 28F256L18T (T means top-parameter device) */ - if (cfi->mfr == MANUFACTURER_INTEL) { + if (cfi->mfr == CFI_MFR_INTEL) { switch (cfi->id) { case 0x880b: case 0x880c: @@ -2564,6 +2578,7 @@ static int cfi_intelext_reset(struct mtd_info *mtd) if (!ret) { map_write(map, CMD(0xff), chip->start); chip->state = FL_SHUTDOWN; + put_chip(map, chip, chip->start); } spin_unlock(chip->mutex); } |