/*

* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: implementation of class Syborg

*

*/

#include <syborg_priv.h>

#include <hal_data.h>

#ifdef __EMI_SUPPORT__

#include <emi.h>

#endif

//#define ASSP_DEBUG

#ifdef ASSP_DEBUG

#define __DEBUG_PRINT(format...)    Kern::Printf(format)

#else

#define __DEBUG_PRINT(format...)    __KTRACE_OPT(KBOOT,Kern::Printf(format))

#endif

Syborg* Syborg::Variant=NULL;

// !@!

#if 0

TPhysAddr Syborg::VideoRamPhys;

TPhysAddr Syborg::VideoRamPhysSecure;		// Secure display memory

#endif

GLDEF_D Syborg TheVariant;

// Wait for interrupt idle routine

extern TInt SyborgWFIIdle();

DECLARE_STANDARD_ASSP()

EXPORT_C Asic* VariantInitialise()

{

	return &TheVariant;

}

void Syborg::Idle()

{

	// Use the basic Wait For Interrupt call to idle

	TInt irq = NKern::DisableAllInterrupts();

#ifdef __EMI_SUPPORT__

	EMI::EnterIdle();

#endif

	SyborgWFIIdle();

#ifdef __EMI_SUPPORT__

	EMI::LeaveIdle();

#endif

	NKern::RestoreInterrupts(irq);

}

TUint32 Syborg::NanoWaitCalibration()

{

	return 17;	// 2 cycles approx 17ns at 125MHz

}

TInt Syborg::VariantHal(TInt aFunction, TAny* a1, TAny* a2)

{

	__KTRACE_OPT(KHARDWARE,Kern::Printf("Syborg::VariantHal(%d, %0x, %0x)",aFunction,a1,a2));

	switch(aFunction)

    {

		case EVariantHalVariantInfo:

		{

			TVariantInfoV01Buf infoBuf;

			TVariantInfoV01& info = infoBuf();

			TUint clock=0;

			info.iRomVersion = Epoc::RomHeader().iVersion;

    		info.iMachineUniqueId = (TInt64(HALData::EMachineUid_OmapH4)<<32);

   			info.iLedCapabilities = (8<<16) + KLedMaskGreen1;

			info.iProcessorClockInKHz = clock;

			info.iSpeedFactor = clock/25;

			Kern::InfoCopy(*(TDes8*)a1,infoBuf);

			break;

	    }

		case EVariantHalDebugPortSet:

	    {

			TUint32 thePort = (TUint32)a1;

			switch(thePort) // Accept UART(0-3)

		    {

				case 0:

				case 1:

			    case 2:

                case 3:

                {

                    TSyborg::MarkDebugPortOff();           // mark port is not initialised

					Kern::SuperPage().iDebugPort = thePort; // update the super page

                    Syborg::DebugInit();                   // init debug port        

                    break;

                }

				case (TUint32)KNullDebugPort:               // debug output supressed

                {

                    TSyborg::MarkDebugPortOff();           // mark port is not initialised

					Kern::SuperPage().iDebugPort = thePort; // update the super page

					break;

                }

				default:

					return KErrNotSupported;

		    }

			break;

	    }

		case EVariantHalDebugPortGet:

	    {

			TUint32 thePort = Kern::SuperPage().iDebugPort;

			kumemput32(a1, &thePort, sizeof(TUint32));

			break;

	    }

		case EVariantHalSwitches:

	    {

		  TUint32 x = 0; //Register32(KHwBaseSystemReg+KHoRoSystemSw);

			kumemput32(a1, &x, sizeof(x));

			break;

	    }

		case EVariantHalLedMaskSet:

	    {

		  //SetRegister32(KHwBaseSystemReg+KHoRwSystemLed, (TUint32)a1 & 0xFF);

			break;

	    }

		case EVariantHalLedMaskGet:

	    {

		  TUint32 x = 0; //Register32(KHwBaseSystemReg+KHoRwSystemLed);

			kumemput32(a1, &x, sizeof(x));

			break;

	    }

		case EVariantHalCustomRestartReason:

	    {

			// Restart reason is stored in super page

		  TInt x = (Kern::SuperPage().iHwStartupReason); // & KmRestartCustomReasons) >> KsRestartCustomReasons;

			kumemput32(a1, &x, sizeof(TInt));

			break;

	    }

		case EVariantHalCustomRestart:

	    {

            __KERNEL_CAPABILITY_CHECK(

                if(!Kern::CurrentThreadHasCapability(ECapabilityPowerMgmt,

			       __PLATSEC_DIAGNOSTIC_STRING("Checked by Hal function EVariantHalCustomRestart")))

				    return KErrPermissionDenied;

            )

			  Kern::Restart(0);

			break;

	    }

		default:

    	{

			return KErrNotSupported;

	    }

    }

	return KErrNone;

}

TPtr8 Syborg::MachineConfiguration()

{

	return TPtr8((TUint8*)&Kern::MachineConfig(),40,40);

}

EXPORT_C Syborg::Syborg()

{

	iDebugPortBase = TSyborg::DebugPortAddr(); // initialised in bootstrap

}

EXPORT_C TMachineStartupType Syborg::StartupReason()

{

	TUint s = Kern::SuperPage().iHwStartupReason;

	__DEBUG_PRINT("Syborg::StartupReason CPU page value 0x%08X", s);

	return EStartupColdReset;

}

EXPORT_C void Syborg::Init1()

{

	__DEBUG_PRINT("Syborg::Init1()");

	// Enable the CLCD in the System registers

	SyborgInterrupt::Init1();

}

EXPORT_C void Syborg::Init3()

{

	NTimerQ& m = *(NTimerQ*)NTimerQ::TimerAddress();

	m.iRounding = -5;

	TInt r = Interrupt::Bind(EIntTimer1,SyborgInterrupt::MsTimerTick,&m);

	if (r != KErrNone)

	{

		Kern::Fault("BindMsTick",r);

	}

	TSyborg::Init3();

	TSyborg::ClearTimerInt(KHwBaseCounterTimer);

	r = Interrupt::Enable(EIntTimer1);

	if (r != KErrNone)

	{

		Kern::Fault("EnbMsTick",r);

	}

	TSyborg::SetTimerLoad(KHwBaseCounterTimer, K1000HzTickMatchLoad);

	//	TSyborg::SetTimerLoad(KHwBaseCounterTimer, 1000000);

	TSyborg::SetTimerMode(KHwBaseCounterTimer, TSyborg::ETimerModePeriodic);	

	TSyborg::EnableTimerInterrupt(KHwBaseCounterTimer);

	TSyborg::EnableTimer(KHwBaseCounterTimer, TSyborg::EEnable);

	SyborgInterrupt::Init3();

	// !@!

#if 0

	// Allocate physical RAM for video

	TInt vSize = TSyborg::VideoRamSize();

	r = Epoc::AllocPhysicalRam(vSize,Syborg::VideoRamPhys);

	if (r != KErrNone)

	{

		Kern::Fault("AllocVideoRam",r);

	}

	// Allocate physical RAM for secure display

	r = Epoc::AllocPhysicalRam(vSize,Syborg::VideoRamPhysSecure);

	if (r != KErrNone)

	{

		Kern::Fault("AllocVideoRam 2",r);

	}

#endif

	__DEBUG_PRINT("Finished Syborg::Init3()");

}

EXPORT_C void Syborg::DebugInit()

{

	iDebugPortBase = TSyborg::DebugPortAddr();

    if(iDebugPortBase != (TUint32)KNullDebugPort)   // supress debug output

    {

	  TUint8 res = ReadReg(iDebugPortBase, 0);

    }

}

//

// Output a character to the debug port

//

EXPORT_C void Syborg::DebugOutput(TUint aLetter)

{

	if(!iDebugPortBase)

    {

		DebugInit();

	}

    if(iDebugPortBase != (TUint32)KNullDebugPort)   // supress debug output

    {

	  WriteReg(iDebugPortBase,1,aLetter);

    }

}

EXPORT_C TInt Syborg::MsTickPeriod()

{

	return 1000;

}

EXPORT_C TInt Syborg::SystemTimeInSecondsFrom2000(TInt& aTime)

{

	__KTRACE_OPT(KHARDWARE,Kern::Printf("RTC READ: %d",aTime));

	return KErrNone;

}

EXPORT_C TInt Syborg::SetSystemTimeInSecondsFrom2000(TInt aTime)

{

	__KTRACE_OPT(KHARDWARE,Kern::Printf("Set RTC: %d",aTime));					// do this here to allow the value to be loaded...

	return KErrNone;

}