tri mode Ethernet MAC在100Mbps 时可以使用MAC 接口,可以通过一个MAC to RMII 的IP 转换成为RMII 接口。 IEEE1588/PTP实现方案 IEEE1588 的硬件实现的方法有两种: 在MAC控制器中实现 在Phy 芯片中实现,比较常见的有TI 公司的DP83640 芯片 ZYNQ 中实现IEEE1588 协议的方式 笔者做了一些厂商,在PL 端使用现成的...
device_type = "ethernet-phy"; }; }; pcw.dtsi: &gem0 { phy-handle = <&phy0>; phy-mode = "gmii"; status = "okay"; xlnx,ptp-enet-clock = <0x69f6bcb>; ps7_ethernet_0_mdio: mdio { #address-cells = <1>; #size-cells = <0>; gmii_to_rgmii_0: gmii_to_rgmii_0@8 { ...
device_type = "ethernet-phy"; }; }; pcw.dtsi: &gem0 { phy-handle = <&phy0>; phy-mode = "gmii"; status = "okay"; xlnx,ptp-enet-clock = <0x69f6bcb>; ps7_ethernet_0_mdio: mdio { #address-cells = <1>; #size-cells = <0>; gmii_to_rgmii_0: gmii_to_rgmii_0@8 { ...
/include/"system-conf.dtsi"/{};&gem1{local-mac-address=[000a35000001];phy-mode="rgmii-id";status="okay";xlnx,ptp-enet-clock=<0x69f6bcb>;phy-handle=<&phy1>;phy1:phy@1{//compatible = "Xilinx PCS/PMA PHY";device_type="ethernet-phy";xlnx,phy-type=<5>;reg=<1>;};}; 注意:...
device_type = "ethernet-phy"; }; }; pcw.dtsi: &gem0 { phy-handle = <&phy0>; phy-mode = "gmii"; status = "okay"; xlnx,ptp-enet-clock = <0x69f6bcb>; ps7_ethernet_0_mdio: mdio { #address-cells = <1>; #size-cells = <0>; ...
xlnx,ptp-enet-clock = <0x69f6bcb>; mdio { #address-cells = <0x1>; #size-cells = <0x0>; phy@0 { compatible = "marvell,88e1111"; device_type = "ethernet-phy"; reg = <0x0>; linux,phandle = <0x7>; phandle = <0x7>; ...
DDR3 地址线 控制线端接40欧姆电阻，到VTT电压 使用TPS51206 产生VTT电压。现在怀疑，因为用的FLY ,...
xlnx,ptp-enet-clock = <0x69f6bcb>; mdio { #address-cells = <0x1>; #size-cells = <0x0>; phy@0 { compatible = "marvell,88e1111"; device_type = "ethernet-phy"; reg = <0x0>; linux,phandle = <0x7>; phandle = <0x7>; ...
在完成普通报文正常转发的基础上,交换机具有处理PTP(Precision Time Protocol)报文的功能,并且支持IEEE1588v2标准中透明时钟的功能。IEEE1588标准之所以能提高时钟同步的... 李水秀 - 《山东大学》 被引量: 10发表: 2014年 基于IEEE 1588v2二层交换机的研究与实现 在完成普通报文正常转发的基础上,交换机具有处理PTP...
gmii2rgmii-phy-handle = <&gmii_to_rgmii_0>; phy-mode = "rgmii-id"; status = "okay"; xlnx,ptp-enet-clock = <0x69f6bcb>; xlnx,has-mdio = <0x1>; psu_ethernet_0_mdio: mdio { #address-cells = <1>; #size-cells = <0>; ...