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1、修改machine的配置文件
machine配置文件的位置是sources/meta-phytec/conf/machine,
i.MX6 Solo对应的conf文件是phyboard-mira-imx6-4.conf,
#@TYPE: Machine #@NAME: phyboard-mira-imx6-4 #@DESCRIPTION: i.MX6 Solo, 256MB RAM, NAND #@ARTICLENUMBERS: PB-01501-001.A2, PBA-C-06-001.A2, PCM-058-12000D0C.A3 #@SUPPORTEDIMAGE: phytec-qt5demo-image #from http://www.phytec.de require conf/machine/include/phyimx6qdl.inc SOC_FAMILY .= ":mx6dl" SOC_FAMILY .= ":phyboard-mira-imx6" # Kernel KERNEL_DEVICETREE = "imx6dl-phytec-mira-rdk-nand.dtb" # Barebox Config BAREBOX_BIN = "images/barebox-phytec-phycore-imx6dl-som-nand-256mb.img" MACHINE_FEATURES += "wifi can" #这里增加can选项 SERIAL_CONSOLES = "115200;ttymxc1"
即在MACHINE_FEATURES增加can接口。
2、修改设备树文件 imx6dl-phytec-mira-rdk-nand.dts
设备树文件的路径是build/tmp/work-shared/phyboard-mira-imx6-4/kernel-source/arch/arm/boot/dts,
在 imx6dl-phytec-mira-rdk-nand.dts文件中增加以下内容
&can1 { status = "okay"; };
经过以上修改之后,重新编译烧写即可。
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