Ethernet 使用

简介

ROC-RK3588-RT 开发板上有3个网口，2个千兆，1个2.5G网口。

另外板子引出PCIe 3.0 接口，可接 4 x 2.5G 网口扩展板或者 2 x 万兆网口
扩展板。

dts 配置

千兆网口公共的配置

"kernel/arch/arm64/boot/dts/rockchip/rk3588-diff.dtsi"

   &gmac0 {
           /* Use rgmii-rxid mode to disable rx delay inside Soc */
           phy-mode = "rgmii-rxid";
           clock_in_out = "output";

           snps,reset-gpio = <&gpio3 RK_PC7 GPIO_ACTIVE_LOW>;
           snps,reset-active-low;
           /* Reset time is 20ms, 100ms for rtl8211f */
           snps,reset-delays-us = <0 20000 100000>;

           pinctrl-names = "default";
           pinctrl-0 = <&gmac0_miim
                           &gmac0_tx_bus2
                           &gmac0_rx_bus2
                           &gmac0_rgmii_clk
                           &gmac0_rgmii_bus>;

           tx_delay = <0x45>;
           //rx_delay = <0x4a>;

           phy-handle = <&rgmii_phy0>;
           status = "disbaled";
   };

"kernel/arch/arm64/boot/dts/rockchip/rk3588-firefly-port.dtsi"

   &gmac1 {                                                                                                                                                                
       /* Use rgmii-rxid mode to disable rx delay inside Soc */
       phy-mode = "rgmii-rxid";
       clock_in_out = "output";

       snps,reset-gpio = <&gpio3 RK_PB7 GPIO_ACTIVE_LOW>;
       snps,reset-active-low;
       /* Reset time is 20ms, 100ms for rtl8211f */
       snps,reset-delays-us = <0 20000 100000>;

       pinctrl-names = "default";
       pinctrl-0 = <&gmac1_miim
               &gmac1_tx_bus2
               &gmac1_rx_bus2
               &gmac1_rgmii_clk
               &gmac1_rgmii_bus>;

       tx_delay = <0x42>;
       //rx_delay = <0x4f>;

       phy-handle = <&rgmii_phy1>;
       status = "disbaled";
   };

板级的配置

"kernel-5.10/arch/arm64/boot/dts/rockchip/roc-rk3588-rt.dtsi"

千兆网

   /* gamc0 */
   &gmac0 {
           snps,reset-gpio = <&gpio3 RK_PC0 GPIO_ACTIVE_LOW>;
           tx_delay = <0x47>;
           status = "okay";
   };
   /* gmac1 */
   &gmac1{
    	snps,reset-gpio = <&gpio3 RK_PB7 GPIO_ACTIVE_LOW>;
   	tx_delay = <0x42>;
   	status = "okay";
   };

2.5G网口

   vcc3v3_pcie20_eth0: vcc3v3-pcie20-eth0 {
           compatible = "regulator-fixed";
           regulator-name = "vcc3v3_pcie20_eth0";
           regulator-min-microvolt = <3300000>;
           regulator-max-microvolt = <3300000>;
           enable-active-high;
           gpios = <&gpio3 RK_PD0 GPIO_ACTIVE_HIGH>;
           startup-delay-us = <5000>;
           vin-supply = <&vcc12v_dcin>;
   };

   /* ETH */
   &sata0 {
           status = "disabled";
   };

   &combphy0_ps {
           status = "okay";
   };

   &pcie2x1l2{
           reset-gpios = <&gpio3 RK_PD1 GPIO_ACTIVE_HIGH>;
           rockchip,skip-scan-in-resume;
           rockchip,perst-inactive-ms = <400>;
           vpcie3v3-supply = <&vcc3v3_pcie20_eth0>;
           status = "okay";
   };

"vcc3v3_pcie20_eth0": 2.5G网口供电

"combphy0_ps": combphy0_ps 控制器

"pcie2x1l2": pcie2x1l2 控制器

查看IP地址

双以太网口接入网络，可以通过调试串口或者adb来查看IP地址，比如
ifconfig eth0 eth0      Link encap:Ethernet  HWaddr 52:22:4b:e4:f8:3c
Driver rk_gmac-dwmac       inet addr:168.168.104.210
Bcast:168.168.255.255  Mask:255.255.0.0       inet6 addr:
240e:3b1:f175:9df0:ea6d:9993:33e6:202d/64 Scope: Global       inet6
addr: 240e:3b1:f175:9df0:e0e8:b021:fc7a:dafc/64 Scope: Global
inet6 addr: fe80::9cd8:e64d:b9c2:6f4/64 Scope: Link       UP BROADCAST
RUNNING MULTICAST  MTU:1500  Metric:1       RX packets:229 errors:0
dropped:0 overruns:0 frame:0       TX packets:62 errors:0 dropped:0
overruns:0 carrier:0       collisions:0 txqueuelen:1000       RX
bytes:40526 TX bytes:6698       Interrupt:70

连通性测试

eth0  ping -I eth0 -c 10  www.baidu.com PING www.a.shifen.com
(14.215.177.38) from 168.168.104.210 eth0: 56(84) bytes of data. 64
bytes from 14.215.177.38: icmp_seq=1 ttl=55 time=9.45 ms 64 bytes from
14.215.177.38: icmp_seq=2 ttl=55 time=9.36 ms 64 bytes from
14.215.177.38: icmp_seq=3 ttl=55 time=10.0 ms 64 bytes from
14.215.177.38: icmp_seq=4 ttl=55 time=11.3 ms 64 bytes from
14.215.177.38: icmp_seq=5 ttl=55 time=41.7 ms 64 bytes from
14.215.177.38: icmp_seq=6 ttl=55 time=9.73 ms 64 bytes from
14.215.177.38: icmp_seq=7 ttl=55 time=9.28 ms 64 bytes from
14.215.177.38: icmp_seq=8 ttl=55 time=9.26 ms 64 bytes from
14.215.177.38: icmp_seq=9 ttl=55 time=9.50 ms 64 bytes from
14.215.177.38: icmp_seq=10 ttl=55 time=12.9 ms  --- www.a.shifen.com
ping statistics --- 10 packets transmitted, 10 received, 0% packet
loss, time 9013ms rtt min/avg/max/mdev = 9.265/13.262/41.757/9.562 ms