3 files changed, 41 insertions, 0 deletions
diff --git a/target/linux/ar71xx/base-files/lib/ar71xx.sh b/target/linux/ar71xx/base-files/lib/ar71xx.sh
index a802258817..483a8ded87 100755
--- a/target/linux/ar71xx/base-files/lib/ar71xx.sh
+++ b/target/linux/ar71xx/base-files/lib/ar71xx.sh
@@ -342,6 +342,9 @@ ar71xx_board_detect() {
 	*"DB120 reference board")
 		name="db120"
 		;;
+	*"DGL-5500 rev. A1")
+		name="dgl-5500-a1"
+		;;
 	*"DHP-1565 rev. A1")
 		name="dhp-1565-a1"
 		;;
diff --git a/target/linux/ar71xx/base-files/lib/preinit/82_patch_ath10k b/target/linux/ar71xx/base-files/lib/preinit/82_patch_ath10k
new file mode 100644
index 0000000000..c5c60efd57
--- /dev/null
+++ b/target/linux/ar71xx/base-files/lib/preinit/82_patch_ath10k
@@ -0,0 +1,37 @@
+#!/bin/sh
+
+. /lib/functions/system.sh
+. /lib/ar71xx.sh
+
+firmware_file="/lib/firmware/ath10k/QCA988X/hw2.0/firmware-3.bin"
+firmware_md5_orig="5163aa8de591f80b06c77f22e9777473"
+firmware_md5_current="$(md5sum $firmware_file)"
+firmware_md5_current="${firmware_md5_current%% *}"
+
+
+do_patch_ath10k_firmware() {
+	# verify md5sum before patching
+	[ "firmware_md5_orig" != "firmware_md5_current" ] || {
+		return
+	}
+
+	# some boards have bogus mac in otp, patch the default mac in the firmware
+	case $(ar71xx_board_name) in
+		dgl-5500-a1)
+			local mac
+			mac=$(mtd_get_mac_ascii nvram wlan1_mac)
+
+			cp $firmware_file /tmp/ath10k-firmware.bin
+			macaddr_2bin $mac | dd of=/tmp/ath10k-firmware.bin \
+				conv=notrunc bs=1 seek=280 count=6
+
+		;;
+	esac
+	[ -f /tmp/ath10k-firmware.bin ] || {
+		return
+	}
+	cp /tmp/ath10k-firmware.bin $firmware_file
+	rm /tmp/ath10k-firmware.bin
+}
+
+boot_hook_add preinit_main do_patch_ath10k_firmware
diff --git a/target/linux/ar71xx/base-files/lib/upgrade/platform.sh b/target/linux/ar71xx/base-files/lib/upgrade/platform.sh
index 6a85d01df3..2e5b0dd90a 100755
--- a/target/linux/ar71xx/base-files/lib/upgrade/platform.sh
+++ b/target/linux/ar71xx/base-files/lib/upgrade/platform.sh
@@ -194,6 +194,7 @@ platform_check_image() {
 	ap81 | \
 	ap83 | \
 	ap132 | \
+	dgl-5500-a1 |\
 	dhp-1565-a1 |\
 	dir-505-a1 | \
 	dir-600-a1 | \