LicheePi Zero通过sdio0使用r8723bs

首先获取u-boot源码:

git clone https://github.com/Lichee-Pi/u-boot.git -b v3s-current

修改 include/configs/sun8i.h, 使u-boot可以直接从tf卡启动：

#define CONFIG_BOOTCOMMAND   "setenv bootm_boot_mode sec; " \
                            "load mmc 0:1 0x41000000 zImage; "  \
                            "load mmc 0:1 0x41800000 sun8i-v3s-licheepi-zero-dock.dtb; " \
                            "bootz 0x41000000 - 0x41800000;"

#define CONFIG_BOOTARGS      "console=ttyS0,115200 panic=5 rootwait root=/dev/mmcblk0p2 earlyprintk rw  vt.global_cursor_default=0"

编译u-boot

cd u-boot

ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- make LicheePi_Zero_defconfig

ARCH=arm make menuconfig

ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- make

获取Linux源码(zero-4.13.y分支对网卡支持比较好):

git clone https://github.com/Lichee-Pi/linux.git -b zero-4.13.y

生成荔枝派Zero 默认配置文件：

CROSS_COMPILE=arm-linux-gnueabihf- ARCH=arm make licheepi_zero_defconfig

设备树文件：

arch/arm/boot/dts/sun8i-v3s-licheepi-zero.dts

删掉led相关，因为led占用了pg1-2，影响了sdio0，

配置

make ARCH=arm menuconfig

勾上r8723bs

编译内核:

make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- -j1

注意使用sun8i-v3s-licheepi-zero-dock.dtb才能使能wlan0

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