Hello, I’m using custom board with BF537 and SMSC LAN83C185 PHY controller.
I need to test MII bus (tx/rx lines) between each other.
I found there is internal digital loopback mode on PHY. It is turned on by 14 bit in Basic Control Register.
I don’t know how to send test package through MII bus.
Is there simple transmit/receive program? May be same functions in ADI_ETHER_BF537.c?
Are PHY registers read only through MDIO? Does BF537 use MII bus only for data transactions?
May be there is another way to test MII bus. Can I set-then-read bits if I set port H to GPIO mode?