add flash chip
diff --git a/objects/pflash/libflash/libflash.c b/objects/pflash/libflash/libflash.c
index 63cf692..a6eb0da 100644
--- a/objects/pflash/libflash/libflash.c
+++ b/objects/pflash/libflash/libflash.c
@@ -9,10 +9,12 @@
 	{ 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"   },

+	{ 0x20ba19, 0x02000000, FL_ERASE_ALL,             "Winbond W25Q256BV"   },

 	{ 0x20ba20, 0x04000000, FL_ERASE_4K  | FL_ERASE_64K | FL_CAN_4B |

                                 FL_ERASE_BULK | FL_MICRON_BUGS,

                                                           "Micron N25Qx512Ax"   },

 	{ 0x55aa55, 0x00100000, FL_ERASE_ALL | FL_CAN_4B, "TEST_FLASH" },

+

 };

 

 struct flash_chip {