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如何对Android 7.1 RK3288 Wifi进行调试呢

1914 RK3288 WIFI

问答对人有帮助，内容完整，我也想知道答案 0 如何对Android 7.1 RK3288 Wifi进行调试呢？ 0
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答案对人有帮助，有参考价值 0 【平台信息】 CPU：RK3288 Android：7.1 Linux：4.4 WIFI&BT：AP6255 【硬件连接】 1、芯片介绍【代码梳理】 1、内核配置： cd kernel;make ARCH=arm menuconfig Device Drivers —> [] Network device support —> [] Wireless LAN —> 生成配置文件： kernel/arch/arm/configs/rockchip_defconfig CONFIG_WLAN=y CONFIG_WIFI_LOAD_DRIVER_WHEN_KERNEL_BOOTUP=y CONFIG_RKWIFI=y CONFIG_AP6210=y CONFIG_RKWIFI_26M=y 2、Dts配置 1) arch/arm/boot/dts/rk3288.dtsi sdio: rksdmmc@ff0d0000 { compatible = "rockchip,rk_mmc", "rockchip,rk32xx-sdmmc"; reg = <0xff0d0000 0x4000>; interrupts = ; #address-cells = <1>; #size-cells = <0>; pinctrl-names = "default","idle"; pinctrl-0 = <&sdio0_clk &sdio0_cmd &sdio0_bus4>; pinctrl-1 = <&sdio0_gpio>; clocks = <&clk_sdio0>, <&clk_gates8 4>; clock-names = "clk_mmc", "hclk_mmc"; num-slots = <1>; fifo-depth = <0x100>; bus-width = <4>; /* 4线模式 / tune_regase = <0x208>; cru_regase = <0x1d8>; cru_reset_offset = <1>; }; 2) arch/arm/boot/dts/rk3288-n1904.dts wireless-wlan { compatible = "wlan-platdata"; / wifi_chip_type - wifi chip define * bcmwifi ==> like ap6xxx, rk90x; * rtkwifi ==> like rtl8188xx, rtl8723xx,rtl8812auv; * esp8089 ==> esp8089; * other ==> for other wifi; / wifi_chip_type = "ap6212"; / 海华和正基模组兼容，realtek需要按实际修改 / sdio_vref = <1800>; //1800mv or 3300mv，支持SDIO3.0的模组IO一定要接1.8V，SDIO2.0 1.8V/3.3V都可以 //需要根据实际硬件连接设置对应的电压 //keep_wifi_power_on; //power_ctrl_by_pmu; power_pmu_regulator = "act_ldo3"; power_pmu_enable_level = <1>; //1->HIGH, 0->LOW //vref_ctrl_enable; //vref_ctrl_gpio = <&gpio0 GPIO_A2 GPIO_ACTIVE_HIGH>; vref_pmu_regulator = "act_ldo3"; vref_pmu_enable_level = <1>; //1->HIGH, 0->LOW WIFI,poweren_gpio = <&gpio4 GPIO_D4 GPIO_ACTIVE_HIGH>; //WL_REG_ON,wifi模组pin12 WIFI,host_wake_irq = <&gpio4 GPIO_D6 GPIO_ACTIVE_HIGH>; //WL_HOST_WAKE，wifi模组pin13 //WIFI,reset_gpio = <&gpio0 GPIO_A2 GPIO_ACTIVE_LOW>; status = "okay"; }; &sdio { clock-frequency = <50000000>; clock-freq-min-max = <200000 50000000>; supports-highspeed; supports-sdio; ignore-pm-notify; keep-power-in-suspend; //cap-sdio-irq; status = "okay"; }; 3) arch/arm/boot/dts/rk3288-pinctrl.dts pinctrl: pinctrl@ff770000 { gpio4_sdio0 { // SDIO四线接口配置 sdio0_clk: sdio0_clk { rockchip,pins = ; rockchip,pull = ; rockchip,drive = ; //rockchip,tristate = ; }; sdio0_cmd: sdio0_cmd { rockchip,pins = ; rockchip,pull = ; rockchip,drive = ; //rockchip,tristate = ; }; sdio0_bus4: sdio0-bus-width4 { rockchip,pins = , , , ; rockchip,pull = ; rockchip,drive = ; //rockchip,tristate = ; }; //连接wifi模组pin12（WL_REG_ON） sdio0_pwr: sdio0-pwren{ //rock3288-rk3288.h #define SDIO0_PWREN 0x4d41（bank4、offset:c1、func1） rockchip,pins = ; rockchip,pull = ; rockchip,drive = ; //rockchip,tristate = ; }; //连接wifi模组pin13（WL_HOST_WAKE） sdio0_intn: sdio0-intn{ //rock3288-rk3288.h #define SDIO0_INTN 0x4d61（bank4、offset:d6、func1） rockchip,pins = ; rockchip,pull = ; rockchip,drive = ; //rockchip,tristate = ; }; RK808 PMU芯片的RTC CLK32KOUT2信号接到AP6212芯片SUSCLK_IN脚输入时钟 2、驱动介绍* kernel/.config文件CONFIG_AP6210=y wifi 驱动路径：kernel/net/rfkill/rfkill-wlan.c wifi驱动代码：drivers/net/wireless/rockchip_wlan/ 【调试过程】查看芯片 /sys/bus/sdio/devices/mmc1:0001:3 $ dmesg \| grep “card at address” 查看Wifi芯片型号 rk3288:/ $ cat /sys/class/rkwifi/chip [ 267.558874] Current WiFi chip is AP6255. 查看Wifi日志打印 logcat \| grep WifiHW

2022-3-4 16:29:03 评论举报王文