chipphyreset(phyaddr)
- if phyaddr is 30 (EPHY_NOREG)
- return
call chipphywr with phyaddr, 0 and CTL_RESET given
- wait for 100usec
if the result of call chipphyrd with phyaddr and 0 has bit CTL_RESET set
- write error message into log that the reset is not complete
call chipphyinit with phyaddr