From 5c915ff38578f71684967a62220912cd9347ed46 Mon Sep 17 00:00:00 2001
From: Markus Sattler <help.markus+git@gmail.com>
Date: Tue, 5 May 2015 18:39:28 +0200
Subject: [PATCH] add Winbond flash chip Ids

---
 cores/esp8266/Esp.cpp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/cores/esp8266/Esp.cpp b/cores/esp8266/Esp.cpp
index b2126b627..1ed9a09cb 100644
--- a/cores/esp8266/Esp.cpp
+++ b/cores/esp8266/Esp.cpp
@@ -223,10 +223,13 @@ FlashMode_t EspClass::getFlashChipMode(void)
  * Infos from
  *  http://www.wlxmall.com/images/stock_item/att/A1010004.pdf
  *  http://www.gigadevice.com/product-series/5.html?locale=en_US
+ *  http://www.elinux.org/images/f/f5/Winbond-w25q32.pdf
  */
 uint32_t EspClass::getFlashChipSizeByChipId(void) {
     uint32_t chipId = getFlashChipId();
     switch(chipId) {
+
+        // GigaDevice
         case 0x1740C8: // GD25Q64B
             return (8_MB);
         case 0x1640C8: // GD25Q32B
@@ -243,6 +246,15 @@ uint32_t EspClass::getFlashChipSizeByChipId(void) {
             return (128_kB);
         case 0x1040C8: // GD25Q12
             return (64_kB);
+
+        // Winbond
+        case 0x1640EF: // W25Q32
+            return (4_MB);
+        case 0x1540EF: // W25Q16
+            return (2_MB);
+        case 0x1440EF: // W25Q80
+            return (1_MB);
+
         default:
             return 0;
     }