*
* (C) 2000 Red Hat. GPL'd
*
- * $Id: cfi_cmdset_0001.c,v 1.186 2005/11/23 22:07:52 nico Exp $
*
- *
- * 10/10/2000 Nicolas Pitre <nico@cam.org>
+ * 10/10/2000 Nicolas Pitre <nico@fluxnic.net>
* - completely revamped method functions so they are aware and
* independent of the flash geometry (buswidth, interleave, etc.)
* - scalability vs code size is completely set at compile-time
#define MANUFACTURER_INTEL 0x0089
#define I82802AB 0x00ad
#define I82802AC 0x00ac
+#define PF38F4476 0x881c
#define MANUFACTURER_ST 0x0020
#define M50LPW080 0x002F
+#define M50FLW080A 0x0080
+#define M50FLW080B 0x0081
+#define AT49BV640D 0x02de
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 *);
static int cfi_intelext_writev(struct mtd_info *, const struct kvec *, unsigned long, loff_t, size_t *);
static int cfi_intelext_erase_varsize(struct mtd_info *, struct erase_info *);
static void cfi_intelext_sync (struct mtd_info *);
-static int cfi_intelext_lock(struct mtd_info *mtd, loff_t ofs, size_t len);
-static int cfi_intelext_unlock(struct mtd_info *mtd, loff_t ofs, size_t len);
+static int cfi_intelext_lock(struct mtd_info *mtd, loff_t ofs, uint64_t len);
+static int cfi_intelext_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len);
#ifdef CONFIG_MTD_OTP
static int cfi_intelext_read_fact_prot_reg (struct mtd_info *, loff_t, size_t, size_t *, u_char *);
static int cfi_intelext_read_user_prot_reg (struct mtd_info *, loff_t, size_t, size_t *, u_char *);
static int cfi_intelext_partition_fixup(struct mtd_info *, struct cfi_private **);
static int cfi_intelext_point (struct mtd_info *mtd, loff_t from, size_t len,
- size_t *retlen, u_char **mtdbuf);
-static void cfi_intelext_unpoint (struct mtd_info *mtd, u_char *addr, loff_t from,
- size_t len);
+ size_t *retlen, void **virt, resource_size_t *phys);
+static void cfi_intelext_unpoint(struct mtd_info *mtd, loff_t from, size_t len);
+static int chip_ready (struct map_info *map, struct flchip *chip, unsigned long adr, int mode);
static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr, int mode);
static void put_chip(struct map_info *map, struct flchip *chip, unsigned long adr);
#include "fwh_lock.h"
}
#endif
+/* Atmel chips don't use the same PRI format as Intel chips */
+static void fixup_convert_atmel_pri(struct mtd_info *mtd, void *param)
+{
+ struct map_info *map = mtd->priv;
+ struct cfi_private *cfi = map->fldrv_priv;
+ struct cfi_pri_intelext *extp = cfi->cmdset_priv;
+ struct cfi_pri_atmel atmel_pri;
+ uint32_t features = 0;
+
+ /* Reverse byteswapping */
+ extp->FeatureSupport = cpu_to_le32(extp->FeatureSupport);
+ extp->BlkStatusRegMask = cpu_to_le16(extp->BlkStatusRegMask);
+ extp->ProtRegAddr = cpu_to_le16(extp->ProtRegAddr);
+
+ memcpy(&atmel_pri, extp, sizeof(atmel_pri));
+ memset((char *)extp + 5, 0, sizeof(*extp) - 5);
+
+ printk(KERN_ERR "atmel Features: %02x\n", atmel_pri.Features);
+
+ if (atmel_pri.Features & 0x01) /* chip erase supported */
+ features |= (1<<0);
+ if (atmel_pri.Features & 0x02) /* erase suspend supported */
+ features |= (1<<1);
+ if (atmel_pri.Features & 0x04) /* program suspend supported */
+ features |= (1<<2);
+ if (atmel_pri.Features & 0x08) /* simultaneous operations supported */
+ features |= (1<<9);
+ if (atmel_pri.Features & 0x20) /* page mode read supported */
+ features |= (1<<7);
+ if (atmel_pri.Features & 0x40) /* queued erase supported */
+ features |= (1<<4);
+ if (atmel_pri.Features & 0x80) /* Protection bits supported */
+ features |= (1<<6);
+
+ extp->FeatureSupport = features;
+
+ /* burst write mode not supported */
+ cfi->cfiq->BufWriteTimeoutTyp = 0;
+ cfi->cfiq->BufWriteTimeoutMax = 0;
+}
+
#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)
{
struct map_info *map = mtd->priv;
struct cfi_private *cfi = map->fldrv_priv;
- struct cfi_pri_amdstd *extp = cfi->cmdset_priv;
+ struct cfi_pri_intelext *extp = cfi->cmdset_priv;
printk(KERN_WARNING "cfi_cmdset_0001: Suspend "
"erase on write disabled.\n");
/*
* Some chips power-up with all sectors locked by default.
*/
-static void fixup_use_powerup_lock(struct mtd_info *mtd, void *param)
+static void fixup_unlock_powerup_lock(struct mtd_info *mtd, void *param)
{
- printk(KERN_INFO "Using auto-unlock on power-up/resume\n" );
- mtd->flags |= MTD_STUPID_LOCK;
+ struct map_info *map = mtd->priv;
+ struct cfi_private *cfi = map->fldrv_priv;
+ struct cfi_pri_intelext *cfip = cfi->cmdset_priv;
+
+ if (cfip->FeatureSupport&32) {
+ printk(KERN_INFO "Using auto-unlock on power-up/resume\n" );
+ mtd->flags |= MTD_POWERUP_LOCK;
+ }
}
static struct cfi_fixup cfi_fixup_table[] = {
+ { CFI_MFR_ATMEL, CFI_ID_ANY, fixup_convert_atmel_pri, NULL },
#ifdef CMDSET0001_DISABLE_ERASE_SUSPEND_ON_WRITE
{ CFI_MFR_ANY, CFI_ID_ANY, fixup_intel_strataflash, NULL },
#endif
#endif
{ CFI_MFR_ST, 0x00ba, /* M28W320CT */ fixup_st_m28w320ct, NULL },
{ CFI_MFR_ST, 0x00bb, /* M28W320CB */ fixup_st_m28w320cb, NULL },
- { MANUFACTURER_INTEL, 0x891c, fixup_use_powerup_lock, NULL, },
+ { MANUFACTURER_INTEL, CFI_ID_ANY, fixup_unlock_powerup_lock, NULL, },
{ 0, 0, NULL, NULL }
};
{ 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, },
{ 0, 0, NULL, NULL }
};
static struct cfi_fixup fixup_table[] = {
{ 0, 0, NULL, NULL }
};
+static void cfi_fixup_major_minor(struct cfi_private *cfi,
+ struct cfi_pri_intelext *extp)
+{
+ if (cfi->mfr == MANUFACTURER_INTEL &&
+ cfi->id == PF38F4476 && extp->MinorVersion == '3')
+ extp->MinorVersion = '1';
+}
+
static inline struct cfi_pri_intelext *
read_pri_intelext(struct map_info *map, __u16 adr)
{
+ struct cfi_private *cfi = map->fldrv_priv;
struct cfi_pri_intelext *extp;
+ unsigned int extra_size = 0;
unsigned int extp_size = sizeof(*extp);
again:
if (!extp)
return NULL;
+ cfi_fixup_major_minor(cfi, extp);
+
if (extp->MajorVersion != '1' ||
- (extp->MinorVersion < '0' || extp->MinorVersion > '4')) {
+ (extp->MinorVersion < '0' || extp->MinorVersion > '5')) {
printk(KERN_ERR " Unknown Intel/Sharp Extended Query "
"version %c.%c.\n", extp->MajorVersion,
extp->MinorVersion);
extp->BlkStatusRegMask = le16_to_cpu(extp->BlkStatusRegMask);
extp->ProtRegAddr = le16_to_cpu(extp->ProtRegAddr);
- if (extp->MajorVersion == '1' && extp->MinorVersion >= '3') {
- unsigned int extra_size = 0;
- int nb_parts, i;
+ if (extp->MinorVersion >= '0') {
+ extra_size = 0;
/* Protection Register info */
extra_size += (extp->NumProtectionFields - 1) *
sizeof(struct cfi_intelext_otpinfo);
+ }
+ if (extp->MinorVersion >= '1') {
/* Burst Read info */
extra_size += 2;
if (extp_size < sizeof(*extp) + extra_size)
goto need_more;
- extra_size += extp->extra[extra_size-1];
+ extra_size += extp->extra[extra_size - 1];
+ }
+
+ if (extp->MinorVersion >= '3') {
+ int nb_parts, i;
/* Number of hardware-partitions */
extra_size += 1;
if (extp_size > 4096) {
printk(KERN_ERR
"%s: cfi_pri_intelext is too fat\n",
- __FUNCTION__);
+ __func__);
return NULL;
}
goto again;
else
cfi->chips[i].erase_time = 2000000;
+ if (cfi->cfiq->WordWriteTimeoutTyp &&
+ cfi->cfiq->WordWriteTimeoutMax)
+ cfi->chips[i].word_write_time_max =
+ 1<<(cfi->cfiq->WordWriteTimeoutTyp +
+ cfi->cfiq->WordWriteTimeoutMax);
+ else
+ cfi->chips[i].word_write_time_max = 50000 * 8;
+
+ if (cfi->cfiq->BufWriteTimeoutTyp &&
+ cfi->cfiq->BufWriteTimeoutMax)
+ cfi->chips[i].buffer_write_time_max =
+ 1<<(cfi->cfiq->BufWriteTimeoutTyp +
+ cfi->cfiq->BufWriteTimeoutMax);
+
+ if (cfi->cfiq->BlockEraseTimeoutTyp &&
+ cfi->cfiq->BlockEraseTimeoutMax)
+ cfi->chips[i].erase_time_max =
+ 1000<<(cfi->cfiq->BlockEraseTimeoutTyp +
+ cfi->cfiq->BlockEraseTimeoutMax);
+ else
+ cfi->chips[i].erase_time_max = 2000000 * 8;
+
cfi->chips[i].ref_point_counter = 0;
init_waitqueue_head(&(cfi->chips[i].wq));
}
}
for (i=0; i<mtd->numeraseregions;i++){
- printk(KERN_DEBUG "erase region %d: offset=0x%x,size=0x%x,blocks=%d\n",
- i,mtd->eraseregions[i].offset,
+ printk(KERN_DEBUG "erase region %d: offset=0x%llx,size=0x%x,blocks=%d\n",
+ i,(unsigned long long)mtd->eraseregions[i].offset,
mtd->eraseregions[i].erasesize,
mtd->eraseregions[i].numblocks);
}
sizeof(struct cfi_intelext_blockinfo);
}
+ if (!numparts)
+ numparts = 1;
+
/* Programming Region info */
if (extp->MinorVersion >= '4') {
struct cfi_intelext_programming_regioninfo *prinfo;
if ((1 << partshift) < mtd->erasesize) {
printk( KERN_ERR
"%s: bad number of hw partitions (%d)\n",
- __FUNCTION__, numparts);
+ __func__, numparts);
return -EINVAL;
}
/*
* *********** CHIP ACCESS FUNCTIONS ***********
*/
-
-static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr, int mode)
+static int chip_ready (struct map_info *map, struct flchip *chip, unsigned long adr, int mode)
{
DECLARE_WAITQUEUE(wait, current);
struct cfi_private *cfi = map->fldrv_priv;
map_word status, status_OK = CMD(0x80), status_PWS = CMD(0x01);
- unsigned long timeo;
struct cfi_pri_intelext *cfip = cfi->cmdset_priv;
+ unsigned long timeo = jiffies + HZ;
- resettime:
- timeo = jiffies + HZ;
- retry:
- if (chip->priv && (mode == FL_WRITING || mode == FL_ERASING || mode == FL_OTP_WRITE || mode == FL_SHUTDOWN)) {
- /*
- * OK. We have possibility for contension on the write/erase
- * operations which are global to the real chip and not per
- * partition. So let's fight it over in the partition which
- * currently has authority on the operation.
- *
- * The rules are as follows:
- *
- * - any write operation must own shared->writing.
- *
- * - any erase operation must own _both_ shared->writing and
- * shared->erasing.
- *
- * - contension arbitration is handled in the owner's context.
- *
- * The 'shared' struct can be read and/or written only when
- * its lock is taken.
- */
- struct flchip_shared *shared = chip->priv;
- struct flchip *contender;
- spin_lock(&shared->lock);
- contender = shared->writing;
- if (contender && contender != chip) {
- /*
- * The engine to perform desired operation on this
- * partition is already in use by someone else.
- * Let's fight over it in the context of the chip
- * currently using it. If it is possible to suspend,
- * that other partition will do just that, otherwise
- * it'll happily send us to sleep. In any case, when
- * get_chip returns success we're clear to go ahead.
- */
- int ret = spin_trylock(contender->mutex);
- spin_unlock(&shared->lock);
- if (!ret)
- goto retry;
- spin_unlock(chip->mutex);
- ret = get_chip(map, contender, contender->start, mode);
- spin_lock(chip->mutex);
- if (ret) {
- spin_unlock(contender->mutex);
- return ret;
- }
- timeo = jiffies + HZ;
- spin_lock(&shared->lock);
- spin_unlock(contender->mutex);
- }
-
- /* We now own it */
- shared->writing = chip;
- if (mode == FL_ERASING)
- shared->erasing = chip;
- spin_unlock(&shared->lock);
- }
+ /* Prevent setting state FL_SYNCING for chip in suspended state. */
+ if (mode == FL_SYNCING && chip->oldstate != FL_READY)
+ goto sleep;
switch (chip->state) {
if (chip->priv && map_word_andequal(map, status, status_PWS, status_PWS))
break;
- if (time_after(jiffies, timeo)) {
- printk(KERN_ERR "%s: Waiting for chip to be ready timed out. Status %lx\n",
- map->name, status.x[0]);
- return -EIO;
- }
spin_unlock(chip->mutex);
cfi_udelay(1);
spin_lock(chip->mutex);
/* Someone else might have been playing with it. */
- goto retry;
+ return -EAGAIN;
}
-
+ /* Fall through */
case FL_READY:
case FL_CFI_QUERY:
case FL_JEDEC_QUERY:
chip->state = FL_READY;
return 0;
+ case FL_SHUTDOWN:
+ /* The machine is rebooting now,so no one can get chip anymore */
+ return -EIO;
case FL_POINT:
/* Only if there's no operation suspended... */
if (mode == FL_READY && chip->oldstate == FL_READY)
return 0;
-
- case FL_SHUTDOWN:
- /* The machine is rebooting now,so no one can get chip anymore */
- return -EIO;
+ /* Fall through */
default:
sleep:
set_current_state(TASK_UNINTERRUPTIBLE);
schedule();
remove_wait_queue(&chip->wq, &wait);
spin_lock(chip->mutex);
- goto resettime;
+ return -EAGAIN;
+ }
+}
+
+static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr, int mode)
+{
+ int ret;
+ DECLARE_WAITQUEUE(wait, current);
+
+ retry:
+ if (chip->priv &&
+ (mode == FL_WRITING || mode == FL_ERASING || mode == FL_OTP_WRITE
+ || mode == FL_SHUTDOWN) && chip->state != FL_SYNCING) {
+ /*
+ * OK. We have possibility for contention on the write/erase
+ * operations which are global to the real chip and not per
+ * partition. So let's fight it over in the partition which
+ * currently has authority on the operation.
+ *
+ * The rules are as follows:
+ *
+ * - any write operation must own shared->writing.
+ *
+ * - any erase operation must own _both_ shared->writing and
+ * shared->erasing.
+ *
+ * - contention arbitration is handled in the owner's context.
+ *
+ * The 'shared' struct can be read and/or written only when
+ * its lock is taken.
+ */
+ struct flchip_shared *shared = chip->priv;
+ struct flchip *contender;
+ spin_lock(&shared->lock);
+ contender = shared->writing;
+ if (contender && contender != chip) {
+ /*
+ * The engine to perform desired operation on this
+ * partition is already in use by someone else.
+ * Let's fight over it in the context of the chip
+ * currently using it. If it is possible to suspend,
+ * that other partition will do just that, otherwise
+ * 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);
+ spin_unlock(&shared->lock);
+ if (!ret)
+ goto retry;
+ spin_unlock(chip->mutex);
+ ret = chip_ready(map, contender, contender->start, mode);
+ spin_lock(chip->mutex);
+
+ if (ret == -EAGAIN) {
+ spin_unlock(contender->mutex);
+ goto retry;
+ }
+ if (ret) {
+ spin_unlock(contender->mutex);
+ return ret;
+ }
+ spin_lock(&shared->lock);
+
+ /* We should not own chip if it is already
+ * in FL_SYNCING state. Put contender and retry. */
+ if (chip->state == FL_SYNCING) {
+ put_chip(map, contender, contender->start);
+ spin_unlock(contender->mutex);
+ goto retry;
+ }
+ spin_unlock(contender->mutex);
+ }
+
+ /* Check if we already have suspended erase
+ * on this chip. Sleep. */
+ if (mode == FL_ERASING && shared->erasing
+ && shared->erasing->oldstate == FL_ERASING) {
+ spin_unlock(&shared->lock);
+ set_current_state(TASK_UNINTERRUPTIBLE);
+ add_wait_queue(&chip->wq, &wait);
+ spin_unlock(chip->mutex);
+ schedule();
+ remove_wait_queue(&chip->wq, &wait);
+ spin_lock(chip->mutex);
+ goto retry;
+ }
+
+ /* We now own it */
+ shared->writing = chip;
+ if (mode == FL_ERASING)
+ shared->erasing = chip;
+ spin_unlock(&shared->lock);
}
+ ret = chip_ready(map, chip, adr, mode);
+ if (ret == -EAGAIN)
+ goto retry;
+
+ return ret;
}
static void put_chip(struct map_info *map, struct flchip *chip, unsigned long adr)
static int __xipram xip_wait_for_operation(
struct map_info *map, struct flchip *chip,
- unsigned long adr, unsigned int chip_op_time )
+ unsigned long adr, unsigned int chip_op_time_max)
{
struct cfi_private *cfi = map->fldrv_priv;
struct cfi_pri_intelext *cfip = cfi->cmdset_priv;
flstate_t oldstate, newstate;
start = xip_currtime();
- usec = chip_op_time * 8;
+ usec = chip_op_time_max;
if (usec == 0)
usec = 500000;
done = 0;
chip->state = newstate;
map_write(map, CMD(0xff), 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();
/*
#define XIP_INVAL_CACHED_RANGE(map, from, size) \
INVALIDATE_CACHED_RANGE(map, from, size)
-#define INVAL_CACHE_AND_WAIT(map, chip, cmd_adr, inval_adr, inval_len, usec) \
- xip_wait_for_operation(map, chip, cmd_adr, usec)
+#define INVAL_CACHE_AND_WAIT(map, chip, cmd_adr, inval_adr, inval_len, usec, usec_max) \
+ xip_wait_for_operation(map, chip, cmd_adr, usec_max)
#else
static int inval_cache_and_wait_for_operation(
struct map_info *map, struct flchip *chip,
unsigned long cmd_adr, unsigned long inval_adr, int inval_len,
- unsigned int chip_op_time)
+ unsigned int chip_op_time, unsigned int chip_op_time_max)
{
struct cfi_private *cfi = map->fldrv_priv;
map_word status, status_OK = CMD(0x80);
int chip_state = chip->state;
- unsigned int timeo, sleep_time;
+ unsigned int timeo, sleep_time, reset_timeo;
spin_unlock(chip->mutex);
if (inval_len)
INVALIDATE_CACHED_RANGE(map, inval_adr, inval_len);
spin_lock(chip->mutex);
- /* set our timeout to 8 times the expected delay */
- timeo = chip_op_time * 8;
+ timeo = chip_op_time_max;
if (!timeo)
timeo = 500000;
+ reset_timeo = timeo;
sleep_time = chip_op_time / 2;
for (;;) {
remove_wait_queue(&chip->wq, &wait);
spin_lock(chip->mutex);
}
+ if (chip->erase_suspended && chip_state == FL_ERASING) {
+ /* Erase suspend occured while sleep: reset timeout */
+ timeo = reset_timeo;
+ chip->erase_suspended = 0;
+ }
+ if (chip->write_suspended && chip_state == FL_WRITING) {
+ /* Write suspend occured while sleep: reset timeout */
+ timeo = reset_timeo;
+ chip->write_suspended = 0;
+ }
}
/* Done and happy. */
#endif
-#define WAIT_TIMEOUT(map, chip, adr, udelay) \
- INVAL_CACHE_AND_WAIT(map, chip, adr, 0, 0, udelay);
+#define WAIT_TIMEOUT(map, chip, adr, udelay, udelay_max) \
+ INVAL_CACHE_AND_WAIT(map, chip, adr, 0, 0, udelay, udelay_max);
static int do_point_onechip (struct map_info *map, struct flchip *chip, loff_t adr, size_t len)
return ret;
}
-static int cfi_intelext_point (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char **mtdbuf)
+static int cfi_intelext_point(struct mtd_info *mtd, loff_t from, size_t len,
+ size_t *retlen, void **virt, resource_size_t *phys)
{
struct map_info *map = mtd->priv;
struct cfi_private *cfi = map->fldrv_priv;
chipnum = (from >> cfi->chipshift);
ofs = from - (chipnum << cfi->chipshift);
- *mtdbuf = (void *)map->virt + cfi->chips[chipnum].start + ofs;
+ *virt = map->virt + cfi->chips[chipnum].start + ofs;
*retlen = 0;
+ if (phys)
+ *phys = map->phys + cfi->chips[chipnum].start + ofs;
while (len) {
unsigned long thislen;
return 0;
}
-static void cfi_intelext_unpoint (struct mtd_info *mtd, u_char *addr, loff_t from, size_t len)
+static void cfi_intelext_unpoint(struct mtd_info *mtd, loff_t from, size_t len)
{
struct map_info *map = mtd->priv;
struct cfi_private *cfi = map->fldrv_priv;
ret = INVAL_CACHE_AND_WAIT(map, chip, adr,
adr, map_bankwidth(map),
- chip->word_write_time);
+ chip->word_write_time,
+ chip->word_write_time_max);
if (ret) {
xip_enable(map, chip, adr);
printk(KERN_ERR "%s: word write error (status timeout)\n", map->name);
int ret, wbufsize, word_gap, words;
const struct kvec *vec;
unsigned long vec_seek;
+ unsigned long initial_adr;
+ int initial_len = len;
wbufsize = cfi_interleave(cfi) << cfi->cfiq->MaxBufWriteSize;
adr += chip->start;
+ initial_adr = adr;
cmd_adr = adr & ~(wbufsize-1);
/* Let's determine this according to the interleave only once */
return ret;
}
- XIP_INVAL_CACHED_RANGE(map, adr, len);
+ XIP_INVAL_CACHED_RANGE(map, initial_adr, initial_len);
ENABLE_VPP(map);
xip_disable(map, chip, cmd_adr);
chip->state = FL_WRITING_TO_BUFFER;
map_write(map, write_cmd, cmd_adr);
- ret = WAIT_TIMEOUT(map, chip, cmd_adr, 0);
+ ret = WAIT_TIMEOUT(map, chip, cmd_adr, 0, 0);
if (ret) {
/* Argh. Not ready for write to buffer */
map_word Xstatus = map_read(map, cmd_adr);
/* Figure out the number of words to write */
word_gap = (-adr & (map_bankwidth(map)-1));
- words = (len - word_gap + map_bankwidth(map) - 1) / map_bankwidth(map);
+ words = DIV_ROUND_UP(len - word_gap, map_bankwidth(map));
if (!word_gap) {
words--;
} else {
chip->state = FL_WRITING;
ret = INVAL_CACHE_AND_WAIT(map, chip, cmd_adr,
- adr, len,
- chip->buffer_write_time);
+ initial_adr, initial_len,
+ chip->buffer_write_time,
+ chip->buffer_write_time_max);
if (ret) {
map_write(map, CMD(0x70), cmd_adr);
chip->state = FL_STATUS;
ret = INVAL_CACHE_AND_WAIT(map, chip, adr,
adr, len,
- chip->erase_time);
+ chip->erase_time,
+ chip->erase_time_max);
if (ret) {
map_write(map, CMD(0x70), adr);
chip->state = FL_STATUS;
*/
udelay = (!extp || !(extp->FeatureSupport & (1 << 5))) ? 1000000/HZ : 0;
- ret = WAIT_TIMEOUT(map, chip, adr, udelay);
+ ret = WAIT_TIMEOUT(map, chip, adr, udelay, udelay * 100);
if (ret) {
map_write(map, CMD(0x70), adr);
chip->state = FL_STATUS;
return ret;
}
-static int cfi_intelext_lock(struct mtd_info *mtd, loff_t ofs, size_t len)
+static int cfi_intelext_lock(struct mtd_info *mtd, loff_t ofs, uint64_t len)
{
int ret;
#ifdef DEBUG_LOCK_BITS
printk(KERN_DEBUG "%s: lock status before, ofs=0x%08llx, len=0x%08X\n",
- __FUNCTION__, ofs, len);
+ __func__, ofs, len);
cfi_varsize_frob(mtd, do_printlockstatus_oneblock,
ofs, len, NULL);
#endif
#ifdef DEBUG_LOCK_BITS
printk(KERN_DEBUG "%s: lock status after, ret=%d\n",
- __FUNCTION__, ret);
+ __func__, ret);
cfi_varsize_frob(mtd, do_printlockstatus_oneblock,
ofs, len, NULL);
#endif
return ret;
}
-static int cfi_intelext_unlock(struct mtd_info *mtd, loff_t ofs, size_t len)
+static int cfi_intelext_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len)
{
int ret;
#ifdef DEBUG_LOCK_BITS
printk(KERN_DEBUG "%s: lock status before, ofs=0x%08llx, len=0x%08X\n",
- __FUNCTION__, ofs, len);
+ __func__, ofs, len);
cfi_varsize_frob(mtd, do_printlockstatus_oneblock,
ofs, len, NULL);
#endif
#ifdef DEBUG_LOCK_BITS
printk(KERN_DEBUG "%s: lock status after, ret=%d\n",
- __FUNCTION__, ret);
+ __func__, ret);
cfi_varsize_frob(mtd, do_printlockstatus_oneblock,
ofs, len, NULL);
#endif
struct flchip *chip;
int ret = 0;
- if ((mtd->flags & MTD_STUPID_LOCK)
+ if ((mtd->flags & MTD_POWERUP_LOCK)
&& extp && (extp->FeatureSupport & (1 << 5)))
cfi_intelext_save_locks(mtd);
spin_unlock(chip->mutex);
}
- if ((mtd->flags & MTD_STUPID_LOCK)
+ if ((mtd->flags & MTD_POWERUP_LOCK)
&& extp && (extp->FeatureSupport & (1 << 5)))
cfi_intelext_restore_locks(mtd);
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff