[MTD] [JEDEC] add support for the ST M29W400DB flash chip

Add support for the ST M29W400DB flash chip.  which is used on the GLAN Tank
NAS.

Signed-off-by: Gordon Farquharson <gordonfarquharson@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>

1 files changed, 32 insertions, 0 deletions

diff --git a/drivers/mtd/chips/jedec_probe.c b/drivers/mtd/chips/jedec_probe.c
index 4be51a86a85c..8a00de506664 100644
--- a/drivers/mtd/chips/jedec_probe.c
+++ b/drivers/mtd/chips/jedec_probe.c
@@ -132,6 +132,8 @@
 #define M29F800AB       0x0058
 #define M29W800DT       0x00D7
 #define M29W800DB       0x005B
+#define M29W400DT       0x00EE
+#define M29W400DB       0x00EF
 #define M29W160DT       0x22C4
 #define M29W160DB       0x2249
 #define M29W040B        0x00E3
@@ -1456,6 +1458,36 @@ static const struct amd_flash_info jedec_table[] = {
                         ERASEINFO(0x08000,1),
                         ERASEINFO(0x10000,15)
                 }
+        },  {
+                .mfr_id         = MANUFACTURER_ST,
+                .dev_id         = M29W400DT,
+                .name           = "ST M29W400DT",
+                .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
+                .uaddr          = MTD_UADDR_0x0AAA_0x0555,
+                .dev_size       = SIZE_512KiB,
+                .cmd_set        = P_ID_AMD_STD,
+                .nr_regions     = 4,
+                .regions        = {
+                        ERASEINFO(0x04000,7),
+                        ERASEINFO(0x02000,1),
+                        ERASEINFO(0x08000,2),
+                        ERASEINFO(0x10000,1)
+                }
+        }, {
+                .mfr_id         = MANUFACTURER_ST,
+                .dev_id         = M29W400DB,
+                .name           = "ST M29W400DB",
+                .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
+                .uaddr          = MTD_UADDR_0x0AAA_0x0555,
+                .dev_size       = SIZE_512KiB,
+                .cmd_set        = P_ID_AMD_STD,
+                .nr_regions     = 4,
+                .regions        = {
+                        ERASEINFO(0x04000,1),
+                        ERASEINFO(0x02000,2),
+                        ERASEINFO(0x08000,1),
+                        ERASEINFO(0x10000,7)
+                }
         }, {
                 .mfr_id         = MANUFACTURER_ST,      /* FIXME - CFI device? */
                 .dev_id         = M29W160DT,