suoshui_t 发表于 2023-5-23 12:11:47

ROC_RK3588S_PC CAN 自行编译固件

问题现象:can0无法读到数据。

自行编译ROM,ip link ls可以看到can0,candump any没有任何数据输出。(使用官方ROM:ROC-RK3588S-PC_Android12_HDMI_230315.img,candump any可以读到数据)


SDK修改内容:

--- a/kernel-5.10/arch/arm64/boot/dts/rockchip/roc-rk3588s-pc.dts
+++ b/kernel-5.10/arch/arm64/boot/dts/rockchip/roc-rk3588s-pc.dts
@@ -7,7 +7,7 @@
/dts-v1/;

#include "roc-rk3588s-pc.dtsi"
-//#include "roc-rk3588s-pc-ext.dtsi"
+#include "roc-rk3588s-pc-ext.dtsi"

#include "rk3588-roc-pc-cam-8ms1m.dtsi"



根据文档内容对应确认(实际无修改)

kernel-5.10/arch/arm64/boot/dts/rockchip/rk3588s.dtsi


    can0: can@fea50000 {            compatible = "rockchip,can-2.0";            reg = <0x0 0xfea50000 0x0 0x1000>;            interrupts = <GIC_SPI 341 IRQ_TYPE_LEVEL_HIGH>;            clocks = <&cru CLK_CAN0>, <&cru PCLK_CAN0>;            clock-names = "baudclk", "apb_pclk";            resets = <&cru SRST_CAN0>, <&cru SRST_P_CAN0>;            reset-names = "can", "can-apb";            pinctrl-names = "default";            pinctrl-0 = <&can0m0_pins>;            tx-fifo-depth = <1>;            rx-fifo-depth = <6>;            status = "disabled";    };    can1: can@fea60000 {            compatible = "rockchip,can-2.0";            reg = <0x0 0xfea60000 0x0 0x1000>;            interrupts = <GIC_SPI 342 IRQ_TYPE_LEVEL_HIGH>;            clocks = <&cru CLK_CAN1>, <&cru PCLK_CAN1>;            clock-names = "baudclk", "apb_pclk";            resets = <&cru SRST_CAN1>, <&cru SRST_P_CAN1>;            reset-names = "can", "can-apb";            pinctrl-names = "default";            pinctrl-0 = <&can1m0_pins>;            tx-fifo-depth = <1>;            rx-fifo-depth = <6>;            status = "disabled";    };    can2: can@fea70000 {            compatible = "rockchip,can-2.0";            reg = <0x0 0xfea70000 0x0 0x1000>;            interrupts = <GIC_SPI 343 IRQ_TYPE_LEVEL_HIGH>;            clocks = <&cru CLK_CAN2>, <&cru PCLK_CAN2>;            clock-names = "baudclk", "apb_pclk";            resets = <&cru SRST_CAN2>, <&cru SRST_P_CAN2>;            reset-names = "can", "can-apb";            pinctrl-names = "default";            pinctrl-0 = <&can2m0_pins>;            tx-fifo-depth = <1>;            rx-fifo-depth = <6>;            status = "disabled";    };

arch/arm64/boot/dts/rockchip/roc-rk3588s-pc-ext.dtsi&can2 {    status = "okay";    pinctrl-names = "default";    pinctrl-0 = <&can2m0_pins>;};

suoshui_t 发表于 2023-5-24 15:10:47

已解决

雨碎江南 发表于 2023-6-27 13:07:06

你好,我也遇到相同问题,您是怎么解决的?
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