From e70de9d06b1957c8f4f5be3a40b1b5e0600681c6 Mon Sep 17 00:00:00 2001
From: mikeller <github@ike.ch>
Date: Tue, 17 Oct 2017 17:45:26 +1300
Subject: [PATCH] Added support for the Winbond W25Q256 flash chip (32MB).

---
 src/main/drivers/flash_m25p16.c | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/src/main/drivers/flash_m25p16.c b/src/main/drivers/flash_m25p16.c
index 980adbe21a..5a1b3578a0 100644
--- a/src/main/drivers/flash_m25p16.c
+++ b/src/main/drivers/flash_m25p16.c
@@ -42,14 +42,15 @@
 #define M25P16_STATUS_FLAG_WRITE_ENABLED     0x02
 
 // Format is manufacturer, memory type, then capacity
-#define JEDEC_ID_MICRON_M25P16         0x202015
-#define JEDEC_ID_MICRON_N25Q064        0x20BA17
-#define JEDEC_ID_WINBOND_W25Q64        0xEF4017
 #define JEDEC_ID_MACRONIX_MX25L3206E   0xC22016
 #define JEDEC_ID_MACRONIX_MX25L6406E   0xC22017
-#define JEDEC_ID_MICRON_N25Q128        0x20ba18
-#define JEDEC_ID_WINBOND_W25Q128       0xEF4018
 #define JEDEC_ID_MACRONIX_MX25L25635E  0xC22019
+#define JEDEC_ID_MICRON_M25P16         0x202015
+#define JEDEC_ID_MICRON_N25Q064        0x20BA17
+#define JEDEC_ID_MICRON_N25Q128        0x20ba18
+#define JEDEC_ID_WINBOND_W25Q64        0xEF4017
+#define JEDEC_ID_WINBOND_W25Q128       0xEF4018
+#define JEDEC_ID_WINBOND_W25Q256       0xEF4019
 
 #define DISABLE_M25P16       IOHi(bus->busdev_u.spi.csnPin); __NOP()
 #define ENABLE_M25P16        __NOP(); IOLo(bus->busdev_u.spi.csnPin)
@@ -180,6 +181,7 @@ static bool m25p16_readIdentification(void)
         geometry.sectors = 256;
         geometry.pagesPerSector = 256;
         break;
+    case JEDEC_ID_WINBOND_W25Q256:
     case JEDEC_ID_MACRONIX_MX25L25635E:
         geometry.sectors = 512;
         geometry.pagesPerSector = 256;