diff options
| author | Adrian Hunter <adrian.hunter@nokia.com> | 2009-05-05 11:04:19 +0300 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2009-06-05 17:49:25 +0100 |
| commit | ee8f37688966ab1438d0cf42e0cb7c6595d9592c (patch) | |
| tree | 6607008d4b764c930114fc83066faa3f0de3c986 | |
| parent | 1e42d142e65ebdef38fb399b421d04e092ad1c6e (diff) | |
| download | kernel_samsung_tuna-ee8f37688966ab1438d0cf42e0cb7c6595d9592c.zip kernel_samsung_tuna-ee8f37688966ab1438d0cf42e0cb7c6595d9592c.tar.gz kernel_samsung_tuna-ee8f37688966ab1438d0cf42e0cb7c6595d9592c.tar.bz2 | |
mtd: OneNAND: add support for OneNAND manufactured by Numonyx
In addition to adding the Numonyx manufacturer code, this patch
also ensures 'sync. write' is disabled when reading identification
data - something that the Numonyx chip objects to, but the
Samsung chip seems to ignore.
Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
| -rw-r--r-- | drivers/mtd/onenand/onenand_base.c | 3 | ||||
| -rw-r--r-- | include/linux/mtd/onenand.h | 1 |
2 files changed, 3 insertions, 1 deletions
diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c index 30d6999..2346857 100644 --- a/drivers/mtd/onenand/onenand_base.c +++ b/drivers/mtd/onenand/onenand_base.c @@ -2576,6 +2576,7 @@ static void onenand_print_device_info(int device, int version) static const struct onenand_manufacturers onenand_manuf_ids[] = { {ONENAND_MFR_SAMSUNG, "Samsung"}, + {ONENAND_MFR_NUMONYX, "Numonyx"}, }; /** @@ -2621,7 +2622,7 @@ static int onenand_probe(struct mtd_info *mtd) /* Save system configuration 1 */ syscfg = this->read_word(this->base + ONENAND_REG_SYS_CFG1); /* Clear Sync. Burst Read mode to read BootRAM */ - this->write_word((syscfg & ~ONENAND_SYS_CFG1_SYNC_READ), this->base + ONENAND_REG_SYS_CFG1); + this->write_word((syscfg & ~ONENAND_SYS_CFG1_SYNC_READ & ~ONENAND_SYS_CFG1_SYNC_WRITE), this->base + ONENAND_REG_SYS_CFG1); /* Send the command for reading device ID from BootRAM */ this->write_word(ONENAND_CMD_READID, this->base + ONENAND_BOOTRAM); diff --git a/include/linux/mtd/onenand.h b/include/linux/mtd/onenand.h index 9aa2a91..0fa3ac4 100644 --- a/include/linux/mtd/onenand.h +++ b/include/linux/mtd/onenand.h @@ -176,6 +176,7 @@ struct onenand_chip { * OneNAND Flash Manufacturer ID Codes */ #define ONENAND_MFR_SAMSUNG 0xec +#define ONENAND_MFR_NUMONYX 0x20 /** * struct onenand_manufacturers - NAND Flash Manufacturer ID Structure |