PHYADDR
rtsx_pci_write_register(pcr, PHYADDR, 0xFF, addr);
rtsx_pci_write_register(pcr, PHYADDR, 0xFF, addr);
out_8(&mb->iac, PHYADDR);
out_8(&mb->iac, ADDRCHG | PHYADDR);
mb->iac = PHYADDR;
mb->iac = ADDRCHG | PHYADDR;