1 files changed, 27 insertions, 1 deletions

diff --git a/drivers/mtd/chips/jedec_probe.c b/drivers/mtd/chips/jedec_probe.c
index 30325a25ab95..30da428eb7b9 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;