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mtd: nandsim: add support for 4KiB pages 

I was going to play with a faulty nand image from real flash and noticed
that nandsim does not work with:
first_id_byte=0xec second_id_byte=0xd5 third_id_byte=0x51 fourth_id_byte=0xa6

This patch seems to fix it.

Signed-off-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Sebastian Andrzej Siewior 2009-11-29 19:07:57 +01:00 committed by David Woodhouse
parent 9617876965
commit 75352662c5
1 changed files with 5 additions and 2 deletions
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7
drivers/mtd/nand/nandsim.c
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@ -161,7 +161,7 @@ MODULE_PARM_DESC(overridesize, "Specifies the NAND Flash size overriding the I
MODULE_PARM_DESC(cache_file, "File to use to cache nand pages instead of memory");
/* The largest possible page size */
#define NS_LARGEST_PAGE_SIZE 2048
#define NS_LARGEST_PAGE_SIZE 4096
/* The prefix for simulator output */
#define NS_OUTPUT_PREFIX "[nandsim]"
@ -259,7 +259,8 @@ MODULE_PARM_DESC(cache_file, "File to use to cache nand pages instead of mem
#define OPT_SMARTMEDIA 0x00000010 /* SmartMedia technology chips */
#define OPT_AUTOINCR 0x00000020 /* page number auto inctimentation is possible */
#define OPT_PAGE512_8BIT 0x00000040 /* 512-byte page chips with 8-bit bus width */
#define OPT_LARGEPAGE (OPT_PAGE2048) /* 2048-byte page chips */
#define OPT_PAGE4096 0x00000080 /* 4096-byte page chips */
#define OPT_LARGEPAGE (OPT_PAGE2048 | OPT_PAGE4096) /* 2048 & 4096-byte page chips */
#define OPT_SMALLPAGE (OPT_PAGE256 | OPT_PAGE512) /* 256 and 512-byte page chips */
/* Remove action bits ftom state */
@ -588,6 +589,8 @@ static int init_nandsim(struct mtd_info *mtd)
ns->options |= OPT_PAGE512_8BIT;
} else if (ns->geom.pgsz == 2048) {
ns->options |= OPT_PAGE2048;
} else if (ns->geom.pgsz == 4096) {
ns->options |= OPT_PAGE4096;
} else {
NS_ERR("init_nandsim: unknown page size %u\n", ns->geom.pgsz);
return -EIO;