add a example for adding wifi driver to friendlywrt

.github/workflows/build.yml

@@ -249,8 +249,9 @@ jobs:
     - name: Compile uboot and kernel
       run: |
         cd project
-        ./build.sh kernel
         ./build.sh uboot
+        ./build.sh kernel
+        source ../scripts/wifi/add_rtl8852be.sh
 
     - name: Build sd image
       id: build_sd_image

scripts/wifi/add_rtl8852be.sh

@@ -0,0 +1,39 @@
+#!/bin/bash
+set -eu
+
+pushd kernel
+kernel_ver=`make CROSS_COMPILE=aarch64-linux-gnu- ARCH=arm64 kernelrelease`
+popd
+modules_dir=$(readlink -f ./out/output_*_kmodules/lib/modules/${kernel_ver})
+[ -d ${modules_dir} ] || {
+	echo "please build kernel first."
+	exit 1
+}
+firmware_dir="$(pwd)/rtl8852be/lib/firmware/rtw89"
+config_dir="$(pwd)/rtl8852be/etc/modules.d/"
+mkdir ${firmware_dir} ${config_dir} -p
+
+# download firmware
+wget http://lwfinger.com/download/rtw8852b_fw-1.bin -O ${firmware_dir}/rtw8852b_fw-1.bin
+wget http://lwfinger.com/download/rtw8852b_fw.bin -O ${firmware_dir}/rtw8852b_fw.bin
+wget http://lwfinger.com/download/rtw8851b_fw.bin -O ${firmware_dir}/rtw8851b_fw.bin
+wget http://lwfinger.com/download/rtw8852a_fw.bin -O ${firmware_dir}/rtw8852a_fw.bin
+wget http://lwfinger.com/download/rtw8852c_fw.bin -O ${firmware_dir}/rtw8852c_fw.bin
+wget https://github.com/armbian/firmware/blob/master/rtl8852bu_fw -O ${firmware_dir}/rtl8852bu_fw.bin
+
+# build wifi driver
+git clone https://github.com/lwfinger/rtw89.git -b main
+(cd rtw89 && {
+	git reset 38b8a48d04b8440266db6ea730e9b9cf84463981 --hard
+	export PATH=/opt/FriendlyARM/toolchain/11.3-aarch64:$PATH
+	make CROSS_COMPILE=aarch64-linux-gnu- ARCH=arm64 -C ../kernel M=$(pwd)
+	cp *.ko ${modules_dir}/ -afv
+})
+
+# load module on boot
+echo "rtw_8852be" > ${config_dir}/11-rtw89
+
+# add files to rootfs
+if ! grep -q rtl8852be .current_config.mk; then
+	echo "FRIENDLYWRT_FILES+=(rtl8852be)" >> .current_config.mk
+fi