diff options
Diffstat (limited to 'drivers/mtd/chips')
-rw-r--r-- | drivers/mtd/chips/cfi_cmdset_0001.c | 137 | ||||
-rw-r--r-- | drivers/mtd/chips/cfi_cmdset_0002.c | 344 | ||||
-rw-r--r-- | drivers/mtd/chips/cfi_cmdset_0020.c | 136 | ||||
-rw-r--r-- | drivers/mtd/chips/cfi_probe.c | 56 | ||||
-rw-r--r-- | drivers/mtd/chips/cfi_util.c | 3 | ||||
-rw-r--r-- | drivers/mtd/chips/fwh_lock.h | 6 | ||||
-rw-r--r-- | drivers/mtd/chips/gen_probe.c | 15 | ||||
-rw-r--r-- | drivers/mtd/chips/jedec_probe.c | 288 |
8 files changed, 557 insertions, 428 deletions
diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c index 5fbf29e1e64..62f3ea9de84 100644 --- a/drivers/mtd/chips/cfi_cmdset_0001.c +++ b/drivers/mtd/chips/cfi_cmdset_0001.c @@ -615,10 +615,8 @@ static struct mtd_info *cfi_intelext_setup(struct mtd_info *mtd) return mtd; setup_err: - if(mtd) { - kfree(mtd->eraseregions); - kfree(mtd); - } + kfree(mtd->eraseregions); + kfree(mtd); kfree(cfi->cmdset_priv); return NULL; } @@ -727,8 +725,7 @@ static int cfi_intelext_partition_fixup(struct mtd_info *mtd, /* those should be reset too since they create memory references. */ init_waitqueue_head(&chip->wq); - spin_lock_init(&chip->_spinlock); - chip->mutex = &chip->_spinlock; + mutex_init(&chip->mutex); chip++; } } @@ -774,9 +771,9 @@ static int chip_ready (struct map_info *map, struct flchip *chip, unsigned long if (chip->priv && map_word_andequal(map, status, status_PWS, status_PWS)) break; - spin_unlock(chip->mutex); + mutex_unlock(&chip->mutex); cfi_udelay(1); - spin_lock(chip->mutex); + mutex_lock(&chip->mutex); /* Someone else might have been playing with it. */ return -EAGAIN; } @@ -823,9 +820,9 @@ static int chip_ready (struct map_info *map, struct flchip *chip, unsigned long return -EIO; } - spin_unlock(chip->mutex); + mutex_unlock(&chip->mutex); cfi_udelay(1); - spin_lock(chip->mutex); + mutex_lock(&chip->mutex); /* Nobody will touch it while it's in state FL_ERASE_SUSPENDING. So we can just loop here. */ } @@ -852,10 +849,10 @@ static int chip_ready (struct map_info *map, struct flchip *chip, unsigned long sleep: set_current_state(TASK_UNINTERRUPTIBLE); add_wait_queue(&chip->wq, &wait); - spin_unlock(chip->mutex); + mutex_unlock(&chip->mutex); schedule(); remove_wait_queue(&chip->wq, &wait); - spin_lock(chip->mutex); + mutex_lock(&chip->mutex); return -EAGAIN; } } @@ -901,20 +898,20 @@ static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr * it'll happily send us to sleep. In any case, when * get_chip returns success we're clear to go ahead. */ - ret = spin_trylock(contender->mutex); + ret = mutex_trylock(&contender->mutex); spin_unlock(&shared->lock); if (!ret) goto retry; - spin_unlock(chip->mutex); + mutex_unlock(&chip->mutex); ret = chip_ready(map, contender, contender->start, mode); - spin_lock(chip->mutex); + mutex_lock(&chip->mutex); if (ret == -EAGAIN) { - spin_unlock(contender->mutex); + mutex_unlock(&contender->mutex); goto retry; } if (ret) { - spin_unlock(contender->mutex); + mutex_unlock(&contender->mutex); return ret; } spin_lock(&shared->lock); @@ -923,10 +920,10 @@ static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr * in FL_SYNCING state. Put contender and retry. */ if (chip->state == FL_SYNCING) { put_chip(map, contender, contender->start); - spin_unlock(contender->mutex); + mutex_unlock(&contender->mutex); goto retry; } - spin_unlock(contender->mutex); + mutex_unlock(&contender->mutex); } /* Check if we already have suspended erase @@ -936,10 +933,10 @@ static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr spin_unlock(&shared->lock); set_current_state(TASK_UNINTERRUPTIBLE); add_wait_queue(&chip->wq, &wait); - spin_unlock(chip->mutex); + mutex_unlock(&chip->mutex); schedule(); remove_wait_queue(&chip->wq, &wait); - spin_lock(chip->mutex); + mutex_lock(&chip->mutex); goto retry; } @@ -969,12 +966,12 @@ static void put_chip(struct map_info *map, struct flchip *chip, unsigned long ad if (shared->writing && shared->writing != chip) { /* give back ownership to who we loaned it from */ struct flchip *loaner = shared->writing; - spin_lock(loaner->mutex); + mutex_lock(&loaner->mutex); spin_unlock(&shared->lock); - spin_unlock(chip->mutex); + mutex_unlock(&chip->mutex); put_chip(map, loaner, loaner->start); - spin_lock(chip->mutex); - spin_unlock(loaner->mutex); + mutex_lock(&chip->mutex); + mutex_unlock(&loaner->mutex); wake_up(&chip->wq); return; } @@ -1144,7 +1141,7 @@ static int __xipram xip_wait_for_operation( (void) map_read(map, adr); xip_iprefetch(); local_irq_enable(); - spin_unlock(chip->mutex); + mutex_unlock(&chip->mutex); xip_iprefetch(); cond_resched(); @@ -1154,15 +1151,15 @@ static int __xipram xip_wait_for_operation( * a suspended erase state. If so let's wait * until it's done. */ - spin_lock(chip->mutex); + mutex_lock(&chip->mutex); while (chip->state != newstate) { DECLARE_WAITQUEUE(wait, current); set_current_state(TASK_UNINTERRUPTIBLE); add_wait_queue(&chip->wq, &wait); - spin_unlock(chip->mutex); + mutex_unlock(&chip->mutex); schedule(); remove_wait_queue(&chip->wq, &wait); - spin_lock(chip->mutex); + mutex_lock(&chip->mutex); } /* Disallow XIP again */ local_irq_disable(); @@ -1218,10 +1215,10 @@ static int inval_cache_and_wait_for_operation( int chip_state = chip->state; unsigned int timeo, sleep_time, reset_timeo; - spin_unlock(chip->mutex); + mutex_unlock(&chip->mutex); if (inval_len) INVALIDATE_CACHED_RANGE(map, inval_adr, inval_len); - spin_lock(chip->mutex); + mutex_lock(&chip->mutex); timeo = chip_op_time_max; if (!timeo) @@ -1241,7 +1238,7 @@ static int inval_cache_and_wait_for_operation( } /* OK Still waiting. Drop the lock, wait a while and retry. */ - spin_unlock(chip->mutex); + mutex_unlock(&chip->mutex); if (sleep_time >= 1000000/HZ) { /* * Half of the normal delay still remaining @@ -1256,17 +1253,17 @@ static int inval_cache_and_wait_for_operation( cond_resched(); timeo--; } - spin_lock(chip->mutex); + mutex_lock(&chip->mutex); while (chip->state != chip_state) { /* Someone's suspended the operation: sleep */ DECLARE_WAITQUEUE(wait, current); set_current_state(TASK_UNINTERRUPTIBLE); add_wait_queue(&chip->wq, &wait); - spin_unlock(chip->mutex); + mutex_unlock(&chip->mutex); schedule(); remove_wait_queue(&chip->wq, &wait); - spin_lock(chip->mutex); + mutex_lock(&chip->mutex); } if (chip->erase_suspended && chip_state == FL_ERASING) { /* Erase suspend occured while sleep: reset timeout */ @@ -1302,7 +1299,7 @@ static int do_point_onechip (struct map_info *map, struct flchip *chip, loff_t a /* Ensure cmd read/writes are aligned. */ cmd_addr = adr & ~(map_bankwidth(map)-1); - spin_lock(chip->mutex); + mutex_lock(&chip->mutex); ret = get_chip(map, chip, cmd_addr, FL_POINT); @@ -1313,7 +1310,7 @@ static int do_point_onechip (struct map_info *map, struct flchip *chip, loff_t a chip->state = FL_POINT; chip->ref_point_counter++; } - spin_unlock(chip->mutex); + mutex_unlock(&chip->mutex); return ret; } @@ -1398,7 +1395,7 @@ static void cfi_intelext_unpoint(struct mtd_info *mtd, loff_t from, size_t len) else thislen = len; - spin_lock(chip->mutex); + mutex_lock(&chip->mutex); if (chip->state == FL_POINT) { chip->ref_point_counter--; if(chip->ref_point_counter == 0) @@ -1407,7 +1404,7 @@ static void cfi_intelext_unpoint(struct mtd_info *mtd, loff_t from, size_t len) printk(KERN_ERR "%s: Warning: unpoint called on non pointed region\n", map->name); /* Should this give an error? */ put_chip(map, chip, chip->start); - spin_unlock(chip->mutex); + mutex_unlock(&chip->mutex); len -= thislen; ofs = 0; @@ -1426,10 +1423,10 @@ static inline int do_read_onechip(struct map_info *map, struct flchip *chip, lof /* Ensure cmd read/writes are aligned. */ cmd_addr = adr & ~(map_bankwidth(map)-1); - spin_lock(chip->mutex); + mutex_lock(&chip->mutex); ret = get_chip(map, chip, cmd_addr, FL_READY); if (ret) { - spin_unlock(chip->mutex); + mutex_unlock(&chip->mutex); return ret; } @@ -1443,7 +1440,7 @@ static inline int do_read_onechip(struct map_info *map, struct flchip *chip, lof put_chip(map, chip, cmd_addr); - spin_unlock(chip->mutex); + mutex_unlock(&chip->mutex); return 0; } @@ -1506,10 +1503,10 @@ static int __xipram do_write_oneword(struct map_info *map, struct flchip *chip, return -EINVAL; } - spin_lock(chip->mutex); + mutex_lock(&chip->mutex); ret = get_chip(map, chip, adr, mode); if (ret) { - spin_unlock(chip->mutex); + mutex_unlock(&chip->mutex); return ret; } @@ -1555,7 +1552,7 @@ static int __xipram do_write_oneword(struct map_info *map, struct flchip *chip, xip_enable(map, chip, adr); out: put_chip(map, chip, adr); - spin_unlock(chip->mutex); + mutex_unlock(&chip->mutex); return ret; } @@ -1664,10 +1661,10 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip, /* Let's determine this according to the interleave only once */ write_cmd = (cfi->cfiq->P_ID != 0x0200) ? CMD(0xe8) : CMD(0xe9); - spin_lock(chip->mutex); + mutex_lock(&chip->mutex); ret = get_chip(map, chip, cmd_adr, FL_WRITING); if (ret) { - spin_unlock(chip->mutex); + mutex_unlock(&chip->mutex); return ret; } @@ -1798,7 +1795,7 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip, xip_enable(map, chip, cmd_adr); out: put_chip(map, chip, cmd_adr); - spin_unlock(chip->mutex); + mutex_unlock(&chip->mutex); return ret; } @@ -1877,10 +1874,10 @@ static int __xipram do_erase_oneblock(struct map_info *map, struct flchip *chip, adr += chip->start; retry: - spin_lock(chip->mutex); + mutex_lock(&chip->mutex); ret = get_chip(map, chip, adr, FL_ERASING); if (ret) { - spin_unlock(chip->mutex); + mutex_unlock(&chip->mutex); return ret; } @@ -1936,7 +1933,7 @@ static int __xipram do_erase_oneblock(struct map_info *map, struct flchip *chip, } else if (chipstatus & 0x20 && retries--) { printk(KERN_DEBUG "block erase failed at 0x%08lx: status 0x%lx. Retrying...\n", adr, chipstatus); put_chip(map, chip, adr); - spin_unlock(chip->mutex); + mutex_unlock(&chip->mutex); goto retry; } else { printk(KERN_ERR "%s: block erase failed at 0x%08lx (status 0x%lx)\n", map->name, adr, chipstatus); @@ -1948,7 +1945,7 @@ static int __xipram do_erase_oneblock(struct map_info *map, struct flchip *chip, xip_enable(map, chip, adr); out: put_chip(map, chip, adr); - spin_unlock(chip->mutex); + mutex_unlock(&chip->mutex); return ret; } @@ -1981,7 +1978,7 @@ static void cfi_intelext_sync (struct mtd_info *mtd) for (i=0; !ret && i<cfi->numchips; i++) { chip = &cfi->chips[i]; - spin_lock(chip->mutex); + mutex_lock(&chip->mutex); ret = get_chip(map, chip, chip->start, FL_SYNCING); if (!ret) { @@ -1992,7 +1989,7 @@ static void cfi_intelext_sync (struct mtd_info *mtd) * with the chip now anyway. */ } - spin_unlock(chip->mutex); + mutex_unlock(&chip->mutex); } /* Unlock the chips again */ @@ -2000,14 +1997,14 @@ static void cfi_intelext_sync (struct mtd_info *mtd) for (i--; i >=0; i--) { chip = &cfi->chips[i]; - spin_lock(chip->mutex); + mutex_lock(&chip->mutex); if (chip->state == FL_SYNCING) { chip->state = chip->oldstate; chip->oldstate = FL_READY; wake_up(&chip->wq); } - spin_unlock(chip->mutex); + mutex_unlock(&chip->mutex); } } @@ -2053,10 +2050,10 @@ static int __xipram do_xxlock_oneblock(struct map_info *map, struct flchip *chip adr += chip->start; - spin_lock(chip->mutex); + mutex_lock(&chip->mutex); ret = get_chip(map, chip, adr, FL_LOCKING); if (ret) { - spin_unlock(chip->mutex); + mutex_unlock(&chip->mutex); return ret; } @@ -2090,7 +2087,7 @@ static int __xipram do_xxlock_oneblock(struct map_info *map, struct flchip *chip xip_enable(map, chip, adr); out: put_chip(map, chip, adr); - spin_unlock(chip->mutex); + mutex_unlock(&chip->mutex); return ret; } @@ -2155,10 +2152,10 @@ do_otp_read(struct map_info *map, struct flchip *chip, u_long offset, struct cfi_private *cfi = map->fldrv_priv; int ret; - spin_lock(chip->mutex); + mutex_lock(&chip->mutex); ret = get_chip(map, chip, chip->start, FL_JEDEC_QUERY); if (ret) { - spin_unlock(chip->mutex); + mutex_unlock(&chip->mutex); return ret; } @@ -2177,7 +2174,7 @@ do_otp_read(struct map_info *map, struct flchip *chip, u_long offset, INVALIDATE_CACHED_RANGE(map, chip->start + offset, size); put_chip(map, chip, chip->start); - spin_unlock(chip->mutex); + mutex_unlock(&chip->mutex); return 0; } @@ -2452,7 +2449,7 @@ static int cfi_intelext_suspend(struct mtd_info *mtd) for (i=0; !ret && i<cfi->numchips; i++) { chip = &cfi->chips[i]; - spin_lock(chip->mutex); + mutex_lock(&chip->mutex); switch (chip->state) { case FL_READY: @@ -2484,7 +2481,7 @@ static int cfi_intelext_suspend(struct mtd_info *mtd) case FL_PM_SUSPENDED: break; } - spin_unlock(chip->mutex); + mutex_unlock(&chip->mutex); } /* Unlock the chips again */ @@ -2493,7 +2490,7 @@ static int cfi_intelext_suspend(struct mtd_info *mtd) for (i--; i >=0; i--) { chip = &cfi->chips[i]; - spin_lock(chip->mutex); + mutex_lock(&chip->mutex); if (chip->state == FL_PM_SUSPENDED) { /* No need to force it into a known state here, @@ -2503,7 +2500,7 @@ static int cfi_intelext_suspend(struct mtd_info *mtd) chip->oldstate = FL_READY; wake_up(&chip->wq); } - spin_unlock(chip->mutex); + mutex_unlock(&chip->mutex); } } @@ -2544,7 +2541,7 @@ static void cfi_intelext_resume(struct mtd_info *mtd) chip = &cfi->chips[i]; - spin_lock(chip->mutex); + mutex_lock(&chip->mutex); /* Go to known state. Chip may have been power cycled */ if (chip->state == FL_PM_SUSPENDED) { @@ -2553,7 +2550,7 @@ static void cfi_intelext_resume(struct mtd_info *mtd) wake_up(&chip->wq); } - spin_unlock(chip->mutex); + mutex_unlock(&chip->mutex); } if ((mtd->flags & MTD_POWERUP_LOCK) @@ -2573,14 +2570,14 @@ static int cfi_intelext_reset(struct mtd_info *mtd) /* force the completion of any ongoing operation and switch to array mode so any bootloader in flash is accessible for soft reboot. */ - spin_lock(chip->mutex); + mutex_lock(&chip->mutex); ret = get_chip(map, chip, chip->start, FL_SHUTDOWN); if (!ret) { map_write(map, CMD(0xff), chip->start); chip->state = FL_SHUTDOWN; put_chip(map, chip, chip->start); } - spin_unlock(chip->mutex); + mutex_unlock(&chip->mutex); } return 0; diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c index f3600e8d538..d81079ef91a 100644 --- a/drivers/mtd/chips/cfi_cmdset_0002.c +++ b/drivers/mtd/chips/cfi_cmdset_0002.c @@ -32,6 +32,7 @@ #include <linux/slab.h> #include <linux/delay.h> #include <linux/interrupt.h> +#include <linux/reboot.h> #include <linux/mtd/compatmac.h> #include <linux/mtd/map.h> #include <linux/mtd/mtd.h> @@ -43,10 +44,6 @@ #define MAX_WORD_RETRIES 3 -#define MANUFACTURER_AMD 0x0001 -#define MANUFACTURER_ATMEL 0x001F -#define MANUFACTURER_MACRONIX 0x00C2 -#define MANUFACTURER_SST 0x00BF #define SST49LF004B 0x0060 #define SST49LF040B 0x0050 #define SST49LF008A 0x005a @@ -60,6 +57,7 @@ static int cfi_amdstd_erase_varsize(struct mtd_info *, struct erase_info *); static void cfi_amdstd_sync (struct mtd_info *); static int cfi_amdstd_suspend (struct mtd_info *); static void cfi_amdstd_resume (struct mtd_info *); +static int cfi_amdstd_reboot(struct notifier_block *, unsigned long, void *); static int cfi_amdstd_secsi_read (struct mtd_info *, loff_t, size_t, size_t *, u_char *); static void cfi_amdstd_destroy(struct mtd_info *); @@ -168,7 +166,7 @@ static void fixup_amd_bootblock(struct mtd_info *mtd, void* param) * This reduces the risk of false detection due to * the 8-bit device ID. */ - (cfi->mfr == MANUFACTURER_MACRONIX)) { + (cfi->mfr == CFI_MFR_MACRONIX)) { DEBUG(MTD_DEBUG_LEVEL1, "%s: Macronix MX29LV400C with bottom boot block" " detected\n", map->name); @@ -260,6 +258,42 @@ static void fixup_use_atmel_lock(struct mtd_info *mtd, void *param) mtd->flags |= MTD_POWERUP_LOCK; } +static void fixup_old_sst_eraseregion(struct mtd_info *mtd) +{ + struct map_info *map = mtd->priv; + struct cfi_private *cfi = map->fldrv_priv; + + /* + * These flashes report two seperate eraseblock regions based on the + * sector_erase-size and block_erase-size, although they both operate on the + * same memory. This is not allowed according to CFI, so we just pick the + * sector_erase-size. + */ + cfi->cfiq->NumEraseRegions = 1; +} + +static void fixup_sst39vf(struct mtd_info *mtd, void *param) +{ + struct map_info *map = mtd->priv; + struct cfi_private *cfi = map->fldrv_priv; + + fixup_old_sst_eraseregion(mtd); + + cfi->addr_unlock1 = 0x5555; + cfi->addr_unlock2 = 0x2AAA; +} + +static void fixup_sst39vf_rev_b(struct mtd_info *mtd, void *param) +{ + struct map_info *map = mtd->priv; + struct cfi_private *cfi = map->fldrv_priv; + + fixup_old_sst_eraseregion(mtd); + + cfi->addr_unlock1 = 0x555; + cfi->addr_unlock2 = 0x2AA; +} + static void fixup_s29gl064n_sectors(struct mtd_info *mtd, void *param) { struct map_info *map = mtd->priv; @@ -282,11 +316,24 @@ static void fixup_s29gl032n_sectors(struct mtd_info *mtd, void *param) } } +/* Used to fix CFI-Tables of chips without Extended Query Tables */ +static struct cfi_fixup cfi_nopri_fixup_table[] = { + { CFI_MFR_SST, 0x234A, fixup_sst39vf, NULL, }, // SST39VF1602 + { CFI_MFR_SST, 0x234B, fixup_sst39vf, NULL, }, // SST39VF1601 + { CFI_MFR_SST, 0x235A, fixup_sst39vf, NULL, }, // SST39VF3202 + { CFI_MFR_SST, 0x235B, fixup_sst39vf, NULL, }, // SST39VF3201 + { CFI_MFR_SST, 0x235C, fixup_sst39vf_rev_b, NULL, }, // SST39VF3202B + { CFI_MFR_SST, 0x235D, fixup_sst39vf_rev_b, NULL, }, // SST39VF3201B + { CFI_MFR_SST, 0x236C, fixup_sst39vf_rev_b, NULL, }, // SST39VF6402B + { CFI_MFR_SST, 0x236D, fixup_sst39vf_rev_b, NULL, }, // SST39VF6401B + { 0, 0, NULL, NULL } +}; + static struct cfi_fixup cfi_fixup_table[] = { { CFI_MFR_ATMEL, CFI_ID_ANY, fixup_convert_atmel_pri, NULL }, #ifdef AMD_BOOTLOC_BUG { CFI_MFR_AMD, CFI_ID_ANY, fixup_amd_bootblock, NULL }, - { MANUFACTURER_MACRONIX, CFI_ID_ANY, fixup_amd_bootblock, NULL }, + { CFI_MFR_MACRONIX, CFI_ID_ANY, fixup_amd_bootblock, NULL }, #endif { CFI_MFR_AMD, 0x0050, fixup_use_secsi, NULL, }, { CFI_MFR_AMD, 0x0053, fixup_use_secsi, NULL, }, @@ -304,9 +351,9 @@ static struct cfi_fixup cfi_fixup_table[] = { { 0, 0, NULL, NULL } }; static struct cfi_fixup jedec_fixup_table[] = { - { MANUFACTURER_SST, SST49LF004B, fixup_use_fwh_lock, NULL, }, - { MANUFACTURER_SST, SST49LF040B, fixup_use_fwh_lock, NULL, }, - { MANUFACTURER_SST, SST49LF008A, fixup_use_fwh_lock, NULL, }, + { CFI_MFR_SST, SST49LF004B, fixup_use_fwh_lock, NULL, }, + { CFI_MFR_SST, SST49LF040B, fixup_use_fwh_lock, NULL, }, + { CFI_MFR_SST, SST49LF008A, fixup_use_fwh_lock, NULL, }, { 0, 0, NULL, NULL } }; @@ -355,67 +402,72 @@ struct mtd_info *cfi_cmdset_0002(struct map_info *map, int primary) mtd->name = map->name; mtd->writesize = 1; + mtd->reboot_notifier.notifier_call = cfi_amdstd_reboot; + if (cfi->cfi_mode==CFI_MODE_CFI){ unsigned char bootloc; - /* - * It's a real CFI chip, not one for which the probe - * routine faked a CFI structure. So we read the feature - * table from it. - */ __u16 adr = primary?cfi->cfiq->P_ADR:cfi->cfiq->A_ADR; struct cfi_pri_amdstd *extp; extp = (struct cfi_pri_amdstd*)cfi_read_pri(map, adr, sizeof(*extp), "Amd/Fujitsu"); - if (!extp) { - kfree(mtd); - return NULL; - } - - cfi_fixup_major_minor(cfi, extp); - - if (extp->MajorVersion != '1' || - (extp->MinorVersion < '0' || extp->MinorVersion > '4')) { - printk(KERN_ERR " Unknown Amd/Fujitsu Extended Query " - "version %c.%c.\n", extp->MajorVersion, - extp->MinorVersion); - kfree(extp); - kfree(mtd); - return NULL; - } + if (extp) { + /* + * It's a real CFI chip, not one for which the probe + * routine faked a CFI structure. + */ + cfi_fixup_major_minor(cfi, extp); + + if (extp->MajorVersion != '1' || + (extp->MinorVersion < '0' || extp->MinorVersion > '4')) { + printk(KERN_ERR " Unknown Amd/Fujitsu Extended Query " + "version %c.%c.\n", extp->MajorVersion, + extp->MinorVersion); + kfree(extp); + kfree(mtd); + return NULL; + } - /* Install our own private info structure */ - cfi->cmdset_priv = extp; + /* Install our own private info structure */ + cfi->cmdset_priv = extp; - /* Apply cfi device specific fixups */ - cfi_fixup(mtd, cfi_fixup_table); + /* Apply cfi device specific fixups */ + cfi_fixup(mtd, cfi_fixup_table); #ifdef DEBUG_CFI_FEATURES - /* Tell the user about it in lots of lovely detail */ - cfi_tell_features(extp); + /* Tell the user about it in lots of lovely detail */ + cfi_tell_features(extp); #endif - bootloc = extp->TopBottom; - if ((bootloc != 2) && (bootloc != 3)) { - printk(KERN_WARNING "%s: CFI does not contain boot " - "bank location. Assuming top.\n", map->name); - bootloc = 2; - } + bootloc = extp->TopBottom; + if ((bootloc < 2) || (bootloc > 5)) { + printk(KERN_WARNING "%s: CFI contains unrecognised boot " + "bank location (%d). Assuming bottom.\n", + map->name, bootloc); + bootloc = 2; + } - if (bootloc == 3 && cfi->cfiq->NumEraseRegions > 1) { - printk(KERN_WARNING "%s: Swapping erase regions for broken CFI table.\n", map->name); + if (bootloc == 3 && cfi->cfiq->NumEraseRegions > 1) { + printk(KERN_WARNING "%s: Swapping erase regions for top-boot CFI table.\n", map->name); - for (i=0; i<cfi->cfiq->NumEraseRegions / 2; i++) { - int j = (cfi->cfiq->NumEraseRegions-1)-i; - __u32 swap; + for (i=0; i<cfi->cfiq->NumEraseRegions / 2; i++) { + int j = (cfi->cfiq->NumEraseRegions-1)-i; + __u32 swap; - swap = cfi->cfiq->EraseRegionInfo[i]; - cfi->cfiq->EraseRegionInfo[i] = cfi->cfiq->EraseRegionInfo[j]; - cfi->cfiq->EraseRegionInfo[j] = swap; + swap = cfi->cfiq->EraseRegionInfo[i]; + cfi->cfiq->EraseRegionInfo[i] = cfi->cfiq->EraseRegionInfo[j]; + cfi->cfiq->EraseRegionInfo[j] = swap; + } } + /* Set the default CFI lock/unlock addresses */ + cfi->addr_unlock1 = 0x555; + cfi->addr_unlock2 = 0x2aa; + } + cfi_fixup(mtd, cfi_nopri_fixup_table); + + if (!cfi->addr_unlock1 || !cfi->addr_unlock2) { + kfree(mtd); + return NULL; } - /* Set the default CFI lock/unlock addresses */ - cfi->addr_unlock1 = 0x555; - cfi->addr_unlock2 = 0x2aa; } /* CFI mode */ else if (cfi->cfi_mode == CFI_MODE_JEDEC) { @@ -437,7 +489,11 @@ struct mtd_info *cfi_cmdset_0002(struct map_info *map, int primary) return cfi_amdstd_setup(mtd); } +struct mtd_info *cfi_cmdset_0006(struct map_info *map, int primary) __attribute__((alias("cfi_cmdset_0002"))); +struct mtd_info *cfi_cmdset_0701(struct map_info *map, int primary) __attribute__((alias("cfi_cmdset_0002"))); EXPORT_SYMBOL_GPL(cfi_cmdset_0002); +EXPORT_SYMBOL_GPL(cfi_cmdset_0006); +EXPORT_SYMBOL_GPL(cfi_cmdset_0701); static struct mtd_info *cfi_amdstd_setup(struct mtd_info *mtd) { @@ -491,13 +547,12 @@ static struct mtd_info *cfi_amdstd_setup(struct mtd_info *mtd) #endif __module_get(THIS_MODULE); + register_reboot_notifier(&mtd->reboot_notifier); return mtd; setup_err: - if(mtd) { - kfree(mtd->eraseregions); - kfree(mtd); - } + kfree(mtd->eraseregions); + kfree(mtd); kfree(cfi->cmdset_priv); kfree(cfi->cfiq); return NULL; @@ -571,9 +626,9 @@ static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr printk(KERN_ERR "Waiting for chip to be ready timed out.\n"); return -EIO; } - spin_unlock(chip->mutex); + mutex_unlock(&chip->mutex); cfi_udelay(1); - spin_lock(chip->mutex); + mutex_lock(&chip->mutex); /* Someone else might have been playing with it. */ goto retry; } @@ -617,9 +672,9 @@ static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr return -EIO; } - spin_unlock(chip->mutex); + mutex_unlock(&chip->mutex); cfi_udelay(1); - spin_lock(chip->mutex); + mutex_lock(&chip->mutex); /* Nobody will touch it while it's in state FL_ERASE_SUSPENDING. So we can just loop here. */ } @@ -634,6 +689,10 @@ static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr chip->state = FL_READY; return 0; + case FL_SHUTDOWN: + /* The machine is rebooting */ + return -EIO; + case FL_POINT: /* Only if there's no operation suspended... */ if (mode == FL_READY && chip->oldstate == FL_READY) @@ -643,10 +702,10 @@ static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr sleep: set_current_state(TASK_UNINTERRUPTIBLE); add_wait_queue(&chip->wq, &wait); - spin_unlock(chip->mutex); + mutex_unlock(&chip->mutex); schedule(); remove_wait_queue(&chip->wq, &wait); - spin_lock(chip->mutex); + mutex_lock(&chip->mutex); goto resettime; } } @@ -778,7 +837,7 @@ static void __xipram xip_udelay(struct map_info *map, struct flchip *chip, (void) map_read(map, adr); xip_iprefetch(); local_irq_enable(); - spin_unlock(chip->mutex); + mutex_unlock(&chip->mutex); xip_iprefetch(); cond_resched(); @@ -788,15 +847,15 @@ static void __xipram xip_udelay(struct map_info *map, struct flchip *chip, * a suspended erase state. If so let's wait * until it's done. */ - spin_lock(chip->mutex); + mutex_lock(&chip->mutex); while (chip->state != FL_XIP_WHILE_ERASING) { DECLARE_WAITQUEUE(wait, current); set_current_state(TASK_UNINTERRUPTIBLE); add_wait_queue(&chip->wq, &wait); - spin_unlock(chip->mutex); + mutex_unlock(&chip->mutex); schedule(); remove_wait_queue(&chip->wq, &wait); - spin_lock(chip->mutex); + mutex_lock(&chip->mutex); } /* Disallow XIP again */ local_irq_disable(); @@ -858,17 +917,17 @@ static void __xipram xip_udelay(struct map_info *map, struct flchip *chip, #define UDELAY(map, chip, adr, usec) \ do { \ - spin_unlock(chip->mutex); \ + mutex_unlock(&chip->mutex); \ cfi_udelay(usec); \ - spin_lock(chip->mutex); \ + mutex_lock(&chip->mutex); \ } while (0) #define INVALIDATE_CACHE_UDELAY(map, chip, adr, len, usec) \ do { \ - spin_unlock(chip->mutex); \ + mutex_unlock(&chip->mutex); \ INVALIDATE_CACHED_RANGE(map, adr, len); \ cfi_udelay(usec); \ - spin_lock(chip->mutex); \ + mutex_lock(&chip->mutex); \ } while (0) #endif @@ -884,10 +943,10 @@ static inline int do_read_onechip(struct map_info *map, struct flchip *chip, lof /* Ensure cmd read/writes are aligned. */ cmd_addr = adr & ~(map_bankwidth(map)-1); - spin_lock(chip->mutex); + mutex_lock(&chip->mutex); ret = get_chip(map, chip, cmd_addr, FL_READY); if (ret) { - spin_unlock(chip->mutex); + mutex_unlock(&chip->mutex); return ret; } @@ -900,7 +959,7 @@ static inline int do_read_onechip(struct map_info *map, struct flchip *chip, lof put_chip(map, chip, cmd_addr); - spin_unlock(chip->mutex); + mutex_unlock(&chip->mutex); return 0; } @@ -954,7 +1013,7 @@ static inline int do_read_secsi_onechip(struct map_info *map, struct flchip *chi struct cfi_private *cfi = map->fldrv_priv; retry: - spin_lock(chip->mutex); + mutex_lock(&chip->mutex); if (chip->state != FL_READY){ #if 0 @@ -963,7 +1022,7 @@ static inline int do_read_secsi_onechip(struct map_info *map, struct flchip *chi set_current_state(TASK_UNINTERRUPTIBLE); add_wait_queue(&chip->wq, &wait); - spin_unlock(chip->mutex); + mutex_unlock(&chip->mutex); schedule(); remove_wait_queue(&chip->wq, &wait); @@ -992,7 +1051,7 @@ static inline int do_read_secsi_onechip(struct map_info *map, struct flchip *chi cfi_send_gen_cmd(0x00, cfi->addr_unlock1, chip->start, map, cfi, cfi->device_type, NULL); wake_up(&chip->wq); - spin_unlock(chip->mutex); + mutex_unlock(&chip->mutex); return 0; } @@ -1061,10 +1120,10 @@ static int __xipram do_write_oneword(struct map_info *map, struct flchip *chip, adr += chip->start; - spin_lock(chip->mutex); + mutex_lock(&chip->mutex); ret = get_chip(map, chip, adr, FL_WRITING); if (ret) { - spin_unlock(chip->mutex); + mutex_unlock(&chip->mutex); return ret; } @@ -1107,11 +1166,11 @@ static int __xipram do_write_oneword(struct map_info *map, struct flchip *chip, set_current_state(TASK_UNINTERRUPTIBLE); add_wait_queue(&chip->wq, &wait); - spin_unlock(chip->mutex); + mutex_unlock(&chip->mutex); schedule(); remove_wait_queue(&chip->wq, &wait); timeo = jiffies + (HZ / 2); /* FIXME */ - spin_lock(chip->mutex); + mutex_lock(&chip->mutex); continue; } @@ -1143,7 +1202,7 @@ static int __xipram do_write_oneword(struct map_info *map, struct flchip *chip, op_done: chip->state = FL_READY; put_chip(map, chip, adr); - spin_unlock(chip->mutex); + mutex_unlock(&chip->mutex); return ret; } @@ -1175,7 +1234,7 @@ static int cfi_amdstd_write_words(struct mtd_info *mtd, loff_t to, size_t len, map_word tmp_buf; retry: - spin_lock(cfi->chips[chipnum].mutex); + mutex_lock(&cfi->chips[chipnum].mutex); if (cfi->chips[chipnum].state != FL_READY) { #if 0 @@ -1184,7 +1243,7 @@ static int cfi_amdstd_write_words(struct mtd_info *mtd, loff_t to, size_t len, set_current_state(TASK_UNINTERRUPTIBLE); add_wait_queue(&cfi->chips[chipnum].wq, &wait); - spin_unlock(cfi->chips[chipnum].mutex); + mutex_unlock(&cfi->chips[chipnum].mutex); schedule(); remove_wait_queue(&cfi->chips[chipnum].wq, &wait); @@ -1198,7 +1257,7 @@ static int cfi_amdstd_write_words(struct mtd_info *mtd, loff_t to, size_t len, /* Load 'tmp_buf' with old contents of flash */ tmp_buf = map_read(map, bus_ofs+chipstart); - spin_unlock(cfi->chips[chipnum].mutex); + mutex_unlock(&cfi->chips[chipnum].mutex); /* Number of bytes to copy from buffer */ n = min_t(int, len, map_bankwidth(map)-i); @@ -1253,7 +1312,7 @@ static int cfi_amdstd_write_words(struct mtd_info *mtd, loff_t to, size_t len, map_word tmp_buf; retry1: - spin_lock(cfi->chips[chipnum].mutex); + mutex_lock(&cfi->chips[chipnum].mutex); if (cfi->chips[chipnum].state != FL_READY) { #if 0 @@ -1262,7 +1321,7 @@ static int cfi_amdstd_write_words(struct mtd_info *mtd, loff_t to, size_t len, set_current_state(TASK_UNINTERRUPTIBLE); add_wait_queue(&cfi->chips[chipnum].wq, &wait); - spin_unlock(cfi->chips[chipnum].mutex); + mutex_unlock(&cfi->chips[chipnum].mutex); schedule(); remove_wait_queue(&cfi->chips[chipnum].wq, &wait); @@ -1275,7 +1334,7 @@ static int cfi_amdstd_write_words(struct mtd_info *mtd, loff_t to, size_t len, tmp_buf = map_read(map, ofs + chipstart); - spin_unlock(cfi->chips[chipnum].mutex); + mutex_unlock(&cfi->chips[chipnum].mutex); tmp_buf = map_word_load_partial(map, tmp_buf, buf, 0, len); @@ -1310,10 +1369,10 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip, adr += chip->start; cmd_adr = adr; - spin_lock(chip->mutex); + mutex_lock(&chip->mutex); ret = get_chip(map, chip, adr, FL_WRITING); if (ret) { - spin_unlock(chip->mutex); + mutex_unlock(&chip->mutex); return ret; } @@ -1368,11 +1427,11 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip, set_current_state(TASK_UNINTERRUPTIBLE); add_wait_queue(&chip->wq, &wait); - spin_unlock(chip->mutex); + mutex_unlock(&chip->mutex); schedule(); remove_wait_queue(&chip->wq, &wait); timeo = jiffies + (HZ / 2); /* FIXME */ - spin_lock(chip->mutex); + mutex_lock(&chip->mutex); continue; } @@ -1400,7 +1459,7 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip, op_done: chip->state = FL_READY; put_chip(map, chip, adr); - spin_unlock(chip->mutex); + mutex_unlock(&chip->mutex); return r |