Ethernet

Currently ROC-RK3588-PC only supports 1 Gigabit port (Ethernet0), but
a second Gigabit port (Ethernet1) can be extended via the 164 Pin
interface.


DTS configure

Common

"kernel-5.10/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";
   };

Board

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


   /* gamc0 */
   &gmac0 {
   	snps,reset-gpio = <&gpio1 RK_PA7 GPIO_ACTIVE_LOW>;
   	tx_delay = <0x47>;
   	status = "okay";
   };

   &gmac0_tx_bus2{
       rockchip,pins =
       /* gmac0_txd0 */
       <2 RK_PB6 1 &pcfg_pull_up_drv_level_6>,
       /* gmac0_txd1 */
       <2 RK_PB7 1 &pcfg_pull_up_drv_level_6>,
       /* gmac0_txen */
       <2 RK_PC0 1 &pcfg_pull_none>;
   };

   &gmac0_rgmii_bus{
   	rockchip,pins =
   	/* gmac0_rxd2 */
   	<2 RK_PA6 1 &pcfg_pull_none>,
   	/* gmac0_rxd3 */
   	<2 RK_PA7 1 &pcfg_pull_none>,
   	/* gmac0_txd2 */
   	<2 RK_PB1 1 &pcfg_pull_up_drv_level_6>,
   	/* gmac0_txd3 */
   	<2 RK_PB2 1 &pcfg_pull_up_drv_level_6>;
   };

How to use Ethernet

IP Addrs

get from debug or adb by ifconfig  ifconfig eth0 eth0  Link
encap:Ethernet  HWaddr 36:0a:d2:60:c9:05  Driver rk_gmac-dwmac
inet addr:168.168.101.68  Bcast:168.168.255.255  Mask:255.255.0.0
inet6 addr: fe80::3290:2dc:3624:1dec/64 Scope: Link       UP BROADCAST
RUNNING MULTICAST  MTU:1500  Metric:1       RX packets:15804 errors:0
dropped:1 overruns:0 frame:0        TX packets:68 errors:0 dropped:0
overruns:0 carrier:0        collisions:0 txqueuelen:1000        RX
bytes:1811566 TX bytes:6748        Interrupt:75

PING Test

eth0  ping -I eth0 -c 10 168.168.100.149
PING 168.168.100.149 (168.168.100.149) from 168.168.101.68 eth0:
56(84) bytes of data. 64 bytes from 168.168.100.149: icmp_seq=1 ttl=64
time=0.424 ms 64 bytes from 168.168.100.149: icmp_seq=2 ttl=64
time=0.561 ms 64 bytes from 168.168.100.149: icmp_seq=3 ttl=64
time=0.538 ms 64 bytes from 168.168.100.149: icmp_seq=4 ttl=64
time=0.507 ms 64 bytes from 168.168.100.149: icmp_seq=5 ttl=64
time=0.755 ms 64 bytes from 168.168.100.149: icmp_seq=6 ttl=64
time=0.657 ms 64 bytes from 168.168.100.149: icmp_seq=7 ttl=64
time=0.696 ms 64 bytes from 168.168.100.149: icmp_seq=8 ttl=64
time=0.784 ms 64 bytes from 168.168.100.149: icmp_seq=9 ttl=64
time=0.544 ms 64 bytes from 168.168.100.149: icmp_seq=10 ttl=64
time=0.750 ms  --- 168.168.100.149 ping statistics --- 10 packets
transmitted, 10 received, 0% packet loss, time 9058ms rtt
min/avg/max/mdev = 0.424/0.621/0.784/0.119 ms