[MTD] [NOR] Support for M50FLW080A and M50FLW080B

Add support for M50FLW080A and M50FLW080B revisions of LPC flash
devices.

Signed-off-by: Aaron Lindner <alindner@xes-inc.com>
Signed-off-by: Nate Case <ncase@xes-inc.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>

2 files changed, 36 insertions, 0 deletions

diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c
index 235830b9e994..cc6b7bb6de02 100644
--- a/drivers/mtd/chips/cfi_cmdset_0001.c
+++ b/drivers/mtd/chips/cfi_cmdset_0001.c
@@ -50,6 +50,8 @@
 #define I82802AC        0x00ac
 #define MANUFACTURER_ST         0x0020
 #define M50LPW080       0x002F
+#define M50FLW080A      0x0080
+#define M50FLW080B      0x0081
 #define AT49BV640D      0x02de
 
 static int cfi_intelext_read (struct mtd_info *, loff_t, size_t, size_t *, u_char *);
@@ -301,6 +303,8 @@ static struct cfi_fixup jedec_fixup_table[] = {
         { MANUFACTURER_INTEL, I82802AB,   fixup_use_fwh_lock, NULL, },
         { MANUFACTURER_INTEL, I82802AC,   fixup_use_fwh_lock, NULL, },
         { MANUFACTURER_ST,    M50LPW080,  fixup_use_fwh_lock, NULL, },
+        { MANUFACTURER_ST,    M50FLW080A, fixup_use_fwh_lock, NULL, },
+        { MANUFACTURER_ST,    M50FLW080B, fixup_use_fwh_lock, NULL, },
         { 0, 0, NULL, NULL }
 };
 static struct cfi_fixup fixup_table[] = {
diff --git a/drivers/mtd/chips/jedec_probe.c b/drivers/mtd/chips/jedec_probe.c
index aa07575eb288..99f9ed21f660 100644
--- a/drivers/mtd/chips/jedec_probe.c
+++ b/drivers/mtd/chips/jedec_probe.c
@@ -141,6 +141,8 @@
 #define M50FW080        0x002D
 #define M50FW016        0x002E
 #define M50LPW080       0x002F
+#define M50FLW080A      0x0080
+#define M50FLW080B      0x0081
 
 /* SST */
 #define SST29EE020      0x0010
@@ -1590,6 +1592,36 @@ static const struct amd_flash_info jedec_table[] = {
                 .nr_regions     = 1,
                 .regions        = {
                         ERASEINFO(0x10000,16),
+                },
+        }, {
+                .mfr_id         = MANUFACTURER_ST,
+                .dev_id         = M50FLW080A,
+                .name           = "ST M50FLW080A",
+                .devtypes       = CFI_DEVICETYPE_X8,
+                .uaddr          = MTD_UADDR_UNNECESSARY,
+                .dev_size       = SIZE_1MiB,
+                .cmd_set        = P_ID_INTEL_EXT,
+                .nr_regions     = 4,
+                .regions        = {
+                        ERASEINFO(0x1000,16),
+                        ERASEINFO(0x10000,13),
+                        ERASEINFO(0x1000,16),
+                        ERASEINFO(0x1000,16),
+                }
+        }, {
+                .mfr_id         = MANUFACTURER_ST,
+                .dev_id         = M50FLW080B,
+                .name           = "ST M50FLW080B",
+                .devtypes       = CFI_DEVICETYPE_X8,
+                .uaddr          = MTD_UADDR_UNNECESSARY,
+                .dev_size       = SIZE_1MiB,
+                .cmd_set        = P_ID_INTEL_EXT,
+                .nr_regions     = 4,
+                .regions        = {
+                        ERASEINFO(0x1000,16),
+                        ERASEINFO(0x1000,16),
+                        ERASEINFO(0x10000,13),
+                        ERASEINFO(0x1000,16),
                 }
         }, {
                 .mfr_id         = MANUFACTURER_TOSHIBA,