把设备树配置打开:
&qspi0 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_qspi0>;
};
自动挂载到rootfs:
flash: flash@0 {
compatible = "spi-nand";
reg = <0 0x0 0x2000000>;
spi-max-frequency = <50000000>;
#address-cells = <1>;
#size-cells = <1>;
。。。
rootfs@1c00000 {
label = "spinand-rootfs";
reg = <0x1c00000 0x6400000>;
};
};
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