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authorRyan Jackson <rjackson@lnxi.com>2006-10-20 14:41:03 -0700
committerDavid Woodhouse <dwmw2@infradead.org>2006-10-21 16:18:51 +0100
commit89072ef99367cd6fab37b85d6a59a575084c2d2c (patch)
tree2dbff694e9d27fdb2f7a8baba0d989a0682682c5 /drivers/mtd/chips/cfi_cmdset_0002.c
parentc9073ce02adfa273a3d6d53eac8c4c035510ad9c (diff)
downloadtalos-obmc-linux-89072ef99367cd6fab37b85d6a59a575084c2d2c.tar.gz
talos-obmc-linux-89072ef99367cd6fab37b85d6a59a575084c2d2c.zip
[MTD] CHIPS: Support for SST 49LF040B flash chip
Add chip driver and JEDEC probe support for the SST 49LF040B flash chip. Signed-off-by: Ryan Jackson <rjackson@lnxi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Diffstat (limited to 'drivers/mtd/chips/cfi_cmdset_0002.c')
-rw-r--r--drivers/mtd/chips/cfi_cmdset_0002.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c
index 702ae4cd8691..ca0882b5819f 100644
--- a/drivers/mtd/chips/cfi_cmdset_0002.c
+++ b/drivers/mtd/chips/cfi_cmdset_0002.c
@@ -48,6 +48,7 @@
#define MANUFACTURER_ATMEL 0x001F
#define MANUFACTURER_SST 0x00BF
#define SST49LF004B 0x0060
+#define SST49LF040B 0x0050
#define SST49LF008A 0x005a
#define AT49BV6416 0x00d6
@@ -233,6 +234,7 @@ static struct cfi_fixup cfi_fixup_table[] = {
};
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, },
{ 0, 0, NULL, NULL }
};
@@ -519,10 +521,12 @@ static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr
if (mode == FL_WRITING) /* FIXME: Erase-suspend-program appears broken. */
goto sleep;
- if (!(mode == FL_READY || mode == FL_POINT
+ if (!( mode == FL_READY
+ || mode == FL_POINT
|| !cfip
|| (mode == FL_WRITING && (cfip->EraseSuspend & 0x2))
- || (mode == FL_WRITING && (cfip->EraseSuspend & 0x1))))
+ || (mode == FL_WRITING && (cfip->EraseSuspend & 0x1)
+ )))
goto sleep;
/* We could check to see if we're trying to access the sector
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