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authorLinus Torvalds <torvalds@g5.osdl.org>2005-07-11 10:18:18 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2005-07-11 10:18:18 -0700
commit200d481f28be4522464bb849dd0eb5f8cb6be781 (patch)
tree8cd00ead1b202dfd377cf34000a5193959aa2e8b /drivers/mtd/chips/jedec_probe.c
parentf43a64c5e1a65d12b9b53a35ed2d5db441fcb64c (diff)
parent97f927a4d7dbccde0a854a62c3ea54d90bae8679 (diff)
Merge master.kernel.org:/pub/scm/linux/kernel/git/tglx/mtd-2.6
Diffstat (limited to 'drivers/mtd/chips/jedec_probe.c')
-rw-r--r--drivers/mtd/chips/jedec_probe.c28
1 files changed, 27 insertions, 1 deletions
diff --git a/drivers/mtd/chips/jedec_probe.c b/drivers/mtd/chips/jedec_probe.c
index 30325a25ab9..30da428eb7b 100644
--- a/drivers/mtd/chips/jedec_probe.c
+++ b/drivers/mtd/chips/jedec_probe.c
@@ -1,7 +1,7 @@
/*
Common Flash Interface probe code.
(C) 2000 Red Hat. GPL'd.
- $Id: jedec_probe.c,v 1.61 2004/11/19 20:52:16 thayne Exp $
+ $Id: jedec_probe.c,v 1.63 2005/02/14 16:30:32 bjd Exp $
See JEDEC (http://www.jedec.org/) standard JESD21C (section 3.5)
for the standard this probe goes back to.
@@ -142,6 +142,7 @@
#define SST29LE512 0x003d
#define SST39LF800 0x2781
#define SST39LF160 0x2782
+#define SST39VF1601 0x234b
#define SST39LF512 0x00D4
#define SST39LF010 0x00D5
#define SST39LF020 0x00D6
@@ -1448,6 +1449,21 @@ static const struct amd_flash_info jedec_table[] = {
ERASEINFO(0x1000,256),
ERASEINFO(0x1000,256)
}
+ }, {
+ .mfr_id = MANUFACTURER_SST, /* should be CFI */
+ .dev_id = SST39VF1601,
+ .name = "SST 39VF1601",
+ .uaddr = {
+ [0] = MTD_UADDR_0x5555_0x2AAA, /* x8 */
+ [1] = MTD_UADDR_0x5555_0x2AAA /* x16 */
+ },
+ .DevSize = SIZE_2MiB,
+ .CmdSet = P_ID_AMD_STD,
+ .NumEraseRegions= 2,
+ .regions = {
+ ERASEINFO(0x1000,256),
+ ERASEINFO(0x1000,256)
+ }
}, {
.mfr_id = MANUFACTURER_ST, /* FIXME - CFI device? */
@@ -1856,6 +1872,16 @@ static inline int jedec_match( __u32 base,
case CFI_DEVICETYPE_X8:
mfr = (__u8)finfo->mfr_id;
id = (__u8)finfo->dev_id;
+
+ /* bjd: it seems that if we do this, we can end up
+ * detecting 16bit flashes as an 8bit device, even though
+ * there aren't.
+ */
+ if (finfo->dev_id > 0xff) {
+ DEBUG( MTD_DEBUG_LEVEL3, "%s(): ID is not 8bit\n",
+ __func__);
+ goto match_done;
+ }
break;
case CFI_DEVICETYPE_X16:
mfr = (__u16)finfo->mfr_id;