diff options
Diffstat (limited to 'drivers/mtd/nand')
| -rw-r--r-- | drivers/mtd/nand/nand_base.c | 21 | ||||
| -rw-r--r-- | drivers/mtd/nand/nand_ids.c | 4 |
2 files changed, 14 insertions, 11 deletions
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index 21cc5a3..5239c1f 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -439,11 +439,12 @@ void nand_wait_ready(struct mtd_info *mtd) { struct nand_chip *chip = mtd->priv; u32 timeo = (CONFIG_SYS_HZ * 20) / 1000; + u32 time_start; - reset_timer(); + time_start = get_timer(0); /* wait until command is processed or timeout occures */ - while (get_timer(0) < timeo) { + while (get_timer(time_start) < timeo) { if (chip->dev_ready) if (chip->dev_ready(mtd)) break; @@ -704,6 +705,7 @@ static int nand_wait(struct mtd_info *mtd, struct nand_chip *this) { unsigned long timeo; int state = this->state; + u32 time_start; if (state == FL_ERASING) timeo = (CONFIG_SYS_HZ * 400) / 1000; @@ -715,10 +717,10 @@ static int nand_wait(struct mtd_info *mtd, struct nand_chip *this) else this->cmdfunc(mtd, NAND_CMD_STATUS, -1, -1); - reset_timer(); + time_start = get_timer(0); while (1) { - if (get_timer(0) > timeo) { + if (get_timer(time_start) > timeo) { printf("Timeout!"); return 0x01; } @@ -732,8 +734,9 @@ static int nand_wait(struct mtd_info *mtd, struct nand_chip *this) } } #ifdef PPCHAMELON_NAND_TIMER_HACK - reset_timer(); - while (get_timer(0) < 10); + time_start = get_timer(0); + while (get_timer(time_start) < 10) + ; #endif /* PPCHAMELON_NAND_TIMER_HACK */ return this->read_byte(mtd); @@ -2409,11 +2412,11 @@ static void nand_set_defaults(struct nand_chip *chip, int busw) /* * Get the flash and manufacturer id and lookup if the type is supported */ -static struct nand_flash_dev *nand_get_flash_type(struct mtd_info *mtd, +static const struct nand_flash_dev *nand_get_flash_type(struct mtd_info *mtd, struct nand_chip *chip, int busw, int *maf_id) { - struct nand_flash_dev *type = NULL; + const struct nand_flash_dev *type = NULL; int i, dev_id, maf_idx; int tmp_id, tmp_manf; @@ -2587,7 +2590,7 @@ int nand_scan_ident(struct mtd_info *mtd, int maxchips) { int i, busw, nand_maf_id; struct nand_chip *chip = mtd->priv; - struct nand_flash_dev *type; + const struct nand_flash_dev *type; /* Get buswidth to select the correct functions */ busw = chip->options & NAND_BUSWIDTH_16; diff --git a/drivers/mtd/nand/nand_ids.c b/drivers/mtd/nand/nand_ids.c index 25b22ec..8d7ea76 100644 --- a/drivers/mtd/nand/nand_ids.c +++ b/drivers/mtd/nand/nand_ids.c @@ -22,7 +22,7 @@ + 256 256 Byte page size * 512 512 Byte page size */ -struct nand_flash_dev nand_flash_ids[] = { +const struct nand_flash_dev nand_flash_ids[] = { #ifdef CONFIG_MTD_NAND_MUSEUM_IDS {"NAND 1MiB 5V 8-bit", 0x6e, 256, 1, 0x1000, 0}, @@ -132,7 +132,7 @@ struct nand_flash_dev nand_flash_ids[] = { /* * Manufacturer ID list */ -struct nand_manufacturers nand_manuf_ids[] = { +const struct nand_manufacturers nand_manuf_ids[] = { {NAND_MFR_TOSHIBA, "Toshiba"}, {NAND_MFR_SAMSUNG, "Samsung"}, {NAND_MFR_FUJITSU, "Fujitsu"}, |