trunk-47381HEADmaster

1 files changed, 51 insertions, 0 deletions

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 0000000..4da611a
--- /dev/null
+++ b/target/linux/ar71xx/base-files/lib/preinit/82_patch_ath10k
@@ -0,0 +1,51 @@
+#!/bin/sh
+
+. /lib/functions/system.sh
+. /lib/ar71xx.sh
+
+
+do_patch_ath10k_firmware() {
+	local firmware_file="/lib/firmware/ath10k/QCA988X/hw2.0/firmware-5.bin"
+
+	# bail out if firmware does not exist
+	[ -f "$firmware_file" ] || {
+		return
+	}
+
+	local firmware_md5_orig="36768dc68572b3f2660211e20e89f558"
+	local firmware_md5_current="$(md5sum $firmware_file)"
+	local firmware_md5_current="${firmware_md5_current%% *}"
+
+	# 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=276 count=6
+
+		;;
+	esac
+	[ -f /tmp/ath10k-firmware.bin ] || {
+		return
+	}
+	cp /tmp/ath10k-firmware.bin $firmware_file
+	rm /tmp/ath10k-firmware.bin
+}
+
+check_patch_ath10k_firmware() {
+	case $(ar71xx_board_name) in
+		dgl-5500-a1)
+			do_patch_ath10k_firmware
+		;;
+	esac
+}
+
+boot_hook_add preinit_main check_patch_ath10k_firmware