This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.
switch 88e6071芯片以RMII PHY mode连接,
[ 1.130232] libphy: mdio_driver_register: mv88e6085
[ 1.159475] davinci_mdio 4a101000.mdio: GPIO lookup for consumer reset
[ 1.159489] davinci_mdio 4a101000.mdio: using device tree for GPIO lookup
[ 1.159520] of_get_named_gpiod_flags: parsed 'reset-gpios' property of node '/ocp/ethernet@4a100000/mdio@4a101000[0]' - status (0)
[ 1.215082] davinci_mdio 4a101000.mdio: davinci mdio revision 1.6
[ 1.221216] davinci_mdio 4a101000.mdio: detected phy mask ffff007f
[ 1.232253] libphy: 4a101000.mdio: probed
[ 1.236425] davinci_mdio 4a101000.mdio: phy[8]: device 4a101000.mdio:08, driver unknown
[ 1.244468] davinci_mdio 4a101000.mdio: phy[9]: device 4a101000.mdio:09, driver unknown
[ 1.252556] davinci_mdio 4a101000.mdio: phy[10]: device 4a101000.mdio:0a, driver unknown
[ 1.260826] davinci_mdio 4a101000.mdio: phy[11]: device 4a101000.mdio:0b, driver unknown
[ 1.268998] davinci_mdio 4a101000.mdio: phy[12]: device 4a101000.mdio:0c, driver unknown
[ 1.277162] davinci_mdio 4a101000.mdio: phy[13]: device 4a101000.mdio:0d, driver unknown
[ 1.285306] davinci_mdio 4a101000.mdio: phy[14]: device 4a101000.mdio:0e, driver unknown
[ 1.293434] davinci_mdio 4a101000.mdio: phy[15]: device 4a101000.mdio:0f, driver unknown
[ 10.285618] Generic PHY 4a101000.mdio:0e: attached PHY driver [Generic PHY] (mii_bus:phy_addr=4a101000.mdio:0e, irq=-1)
[ 10.675569] Generic PHY 4a101000.mdio:0d: attached PHY driver [Generic PHY] (mii_bus:phy_addr=4a101000.mdio:0d, irq=-1)
请问这种情况下,phy驱动起作用了吗?ping不通。在dts文件中用fixed-link也不行,谁能帮忙看一下?谢谢!
你好:
感谢回复!
在uboot默认情况下,网络是不能用的。在uboot menuconfig中有关与ethernet的选项也没选(选上会报错,好像是devicetree那边报的错)。这种情况下需要怎样调试呢?
谢谢!
您好:
因为这是我们硬件那边那些人自己设计的板子,他们并没有在上面设计phy,而是用了一个switch芯片,用两个mac口以Dual RMII PHY mode的模式与am335x连接的。switch芯片也有一些配置才能使用,所以是在内核调试的。
您说的gmii_sel,我在drivers/net/ethernet/ti/cpsw-phy-sel.c中的cpsw_gmii_sel_am3352直接写了writel(0xc5, priv->gmii_sel);,参考am335x-icev2.dts文件,添加了
&phy_sel {
rmii-clock-ext;
};
感到疑惑的是phy_id,就像图上所示,davinci_mdio会找到7个mac,地址是从8-15,我是以rmii接的那两个port做的地址,在devcietree是以这种形式存在的:
&cpsw_emac0 {
phy_id = <&davinci_mdio>, <13>;
phy-mode = "rmii";
/** fixed-link {
speed = <100>;
full-duplex;
};**/
};
&cpsw_emac1 {
phy_id = <&davinci_mdio>, <14>;
phy-mode = "rmii";
/** fixed-link {
speed = <100>;
full-duplex;
};**/
};
结果不行。
请问你们做过类似于接这种switch的方案吗?
目前TI demo板上没有直接连交换芯片的,都是直接连PHY芯片。
switch 88e6071芯片以RMII PHY mode连接,能否把其当成一个PHY看看能不能通,这个在U-boot下就可以测试的。