Method InitializePorts

Kernel/src/usb/xhci.cpp:327–361

    }

    void XHCIController::InitializePorts(){
        for(xhci_ext_cap_supported_protocol_t* protocol : protocols){ // Check both protocols as some share ports
            for(unsigned i = protocol->portOffset; i < protocol->portOffset + protocol->portCount && i < capRegs->MaxPorts() + 1U; i++){
                xhci_port_regs_t& port = portRegs[i - 1];
                if(!port.Powered()){
                    port.PowerOn();

                    Timer::Wait(20); // 20ms delay

                    if(!port.Powered()){
                        continue; // Not powered so move on
                    }
                }

                if(protocol->majorRevision == 0x3){ // USB 3.0
                    port.WarmReset();
                } else {
                    port.Reset();
                }

                if(!port.Enabled()){
                    int timeout = 25;
                    while(timeout-- && !(port.portSC & XHCI_PORTSC_PRC)){
                        Timer::Wait(1); // Wait for port reset change
                    }
                }

                if(port.Enabled()){
                    if(debugLevelXHCI >= DebugLevelVerbose){
                        Log::Info("Port %i is enabled!", i);
                    }
                }
            }
        }
    }
}