/tmp # insmod ak_eth.ko
ak_mac Ethernet Driver
Configed MAC RMII interface!
ak37e_clk: reset_module:0xf0008020 @ 16
of_get_named_gpiod_flags: parsed 'reset-gpios' property of node '/soc/ethernet1@20500000[0]' - status (0)
ak39_ethernet 20500000.ethernet1 eth0: irq 31, mapped at c571c000
ak39_ethernet 20500000.ethernet1: using random MAC address 42:f9:37:64:68:0f
ak_mac_probe, line:5777, mac_id:1
insmod mac device ok
/tmp # udhcpc > /dev/null
udhcpc: started, v1.30.1
Reset MAC1 controller and PHY!
phy read phy id1 waiting ok,data=0x2000
phy read phy id2 waiting ok,data=0xa130
cdh:id 0xa140 or 0xa130 or 0xa110 set!
xzj 0x0468 reg val:0x2c87
xzj read back 0x0468 reg val:0x2c87
phy read phy id1 waiting ok,data=0x2000
phy read phy id2 waiting ok,data=0xa130
No Link
eth0 owns a shared interrupt on netdev->irq 31
setting up the cable unplug timer1 for mac1
udhcpc: sending discover
phy read phy id1 waiting ok,data=0x2000
phy read phy id2 waiting ok,data=0xa130
Link UP
Autonegotiation Complete,loop_count:99999
ak_gmac_check_phy_init 4379, enter
ak_gmac_check_phy_init 4398, Speed reg val:0xf
LPAN Link is with 100M Speed, FULLDUPLEX mode
udhcpc: sending discover
udhcpc: sending discover
udhcpc: sending discover