diff --git a/objects/pflash/libflash/libflash.c b/objects/pflash/libflash/libflash.c
index 01eee97..762d9e7 100644
--- a/objects/pflash/libflash/libflash.c
+++ b/objects/pflash/libflash/libflash.c
@@ -9,6 +9,7 @@
 	{ 0xc22019, 0x02000000, FL_ERASE_ALL | FL_CAN_4B, "Macronix MXxxL25635F"},
 	{ 0xc2201a, 0x04000000, FL_ERASE_ALL | FL_CAN_4B, "Macronix MXxxL51235F"},
 	{ 0xef4018, 0x01000000, FL_ERASE_ALL,             "Winbond W25Q128BV"   },
+	{ 0xef4019, 0x02000000, FL_ERASE_ALL | FL_CAN_4B | FL_ERASE_64K|FL_ERASE_BULK,    "Winbond W25Q256BV"},
 	{ 0x20ba20, 0x04000000, FL_ERASE_4K  | FL_ERASE_64K | FL_CAN_4B |
                                 FL_ERASE_BULK | FL_MICRON_BUGS,
                                                           "Micron N25Qx512Ax"   },