From dc7f540ce180707a8f0bc3a57634964687b48dd3 Mon Sep 17 00:00:00 2001
From: Linus Walleij <linus.walleij@linaro.org>
Date: Wed, 13 Jun 2018 17:45:04 +0200
Subject: [PATCH] gemini: Cook a WRGG firmware image

This makes the Gemini build a WRGG-type firmware update
image for the DIR-685. This should hopefully install the
kernel from the web firmware upgrade API on the product
switching it permanently to use OpenWRT.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
---
 target/linux/gemini/image/Makefile | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/target/linux/gemini/image/Makefile b/target/linux/gemini/image/Makefile
index 3e122fc457..b631452a0f 100644
--- a/target/linux/gemini/image/Makefile
+++ b/target/linux/gemini/image/Makefile
@@ -7,9 +7,17 @@
 include $(TOPDIR)/rules.mk
 include $(INCLUDE_DIR)/image.mk
 
-# Just copy the zImage for D-Link DIR-685
+# Cook a "WRGG" image, this board is apparently one in the D-Link
+# WRGG family and uses the exact same firmware format as other
+# D-Link devices.
 define Build/dir685-images
-	cp $(IMAGE_KERNEL) $(BIN_DIR)/$(IMG_PREFIX)-dir685-zImage
+	mkwrggimg -i $(IMAGE_KERNEL) \
+	-o $(BIN_DIR)/$(IMG_PREFIX)-dir685-fwupdate.bin \
+	-d /dev/mtdblock/1 \
+	-s wrgns01_dlwbr_dir685RBWW \
+	-v 'N/A' \
+	-m dir685 \
+	-B 96bb
 endef
 
 # Build D-Link DNS-313 images using the special header tool.