diff --git a/include/flashchips.h b/include/flashchips.h
index d4a1bdd..682a74d 100644
--- a/include/flashchips.h
+++ b/include/flashchips.h
@@ -969,6 +969,7 @@
 #define WINBOND_NEX_W25Q64_W	0x6017	/* W25Q64DW; W25Q64FV in QPI mode */
 #define WINBOND_NEX_W25Q128_W	0x6018	/* W25Q128FW; W25Q128FV in QPI mode */
 #define WINBOND_NEX_W25Q256_W	0x6019	/* W25Q256JW */
+#define WINBOND_NEX_W25R512NW	0x6020	/* W25R512NW/W74M51NW */
 #define WINBOND_NEX_W25Q32JV	0x7016	/* W25Q32JV_M (QE=0) */
 #define WINBOND_NEX_W25Q64JV	0x7017	/* W25Q64JV */
 #define WINBOND_NEX_W25Q128_V_M	0x7018	/* W25Q128JVSM */