/*

* Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "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: 

* naviengine_assp\uart\vserialkeyb.cpp

* Serial keyboard driver

*

*/

/**

 @file

 @internalTechnology

*/

#include <e32keys.h>

#include <comm.h>

#include <assp.h>

#include "../naviengine.h"

#include <kernel/kern_priv.h>

#include "uart16550_ne.h"

#include "vserialkeyb.h"

#include "bootloader_variantconfig.h"

TInt TSerialKeyboard::GetSerialPort(TUint& aBaud)

	{

	// Get the Ymodem serial port from NOR Flash config values and set the keyboard port appropriately.

	//

	// The debug port should be the same as the Ymodem port.  The keyboard port should never be the same

	// as the Ymodem port or else the image will fail to boot.

	//

	// Don't use port 2 as the keyboard port because we may not have a port 2 on the board.

	//

	// Therefore, depending on the YmodemG download port, set the keyboard port as follows:

	//

	//    Ymodem  Keyboard

	//    0       1

	//    1       0

	//    2       1

	TInt    keyboardPort           = 1;

	aBaud = 115200;

	TUint32 ConfigBlockAddressPhys = KNORFlashMaxBootloaderSize - KFlashEraseBlockSize;

	__KTRACE_OPT(KEXTENSION,Kern::Printf("ubootldrkeyb: KNORFlashTargetAddr        = %x", KNORFlashTargetAddr       ));

	__KTRACE_OPT(KEXTENSION,Kern::Printf("ubootldrkeyb: KNORFlashTargetSize        = %x", KNORFlashTargetSize       ));

	__KTRACE_OPT(KEXTENSION,Kern::Printf("ubootldrkeyb: KNORFlashMaxBootloaderSize = %x", KNORFlashMaxBootloaderSize));

	__KTRACE_OPT(KEXTENSION,Kern::Printf("ubootldrkeyb: KNORFlashMaxImageSize      = %x", KNORFlashMaxImageSize     ));

	__KTRACE_OPT(KEXTENSION,Kern::Printf("ubootldrkeyb: KFlashEraseBlockSize       = %x", KFlashEraseBlockSize      ));

	__KTRACE_OPT(KEXTENSION,Kern::Printf("ubootldrkeyb: ConfigBlockAddressPhys     = %x", ConfigBlockAddressPhys    ));

	{

		DPlatChunkHw * chunk;

		TInt errorCode = DPlatChunkHw::New(chunk, ConfigBlockAddressPhys, KFlashEraseBlockSize, EMapAttrSupRw | EMapAttrFullyBlocking);

		if (errorCode == KErrNone)

		{

			TUint32 linearAddr         = (TUint)chunk->LinearAddress();

			__KTRACE_OPT(KEXTENSION,Kern::Printf("ubootldrkeyb: linearAddr = %x", linearAddr));

			SBootloaderConfig * configBlockPtr = (SBootloaderConfig * )linearAddr;

			//TUint32 magic = *((TUint32*)linearAddr);

			if (configBlockPtr->iMagic == KUidUBootldrCfgMagic)

				{

				// valid config block

				__KTRACE_OPT(KEXTENSION,Kern::Printf("ubootldrkeyb: Valid config block, magic=%x", configBlockPtr->iMagic));

				__KTRACE_OPT(KEXTENSION,Kern::Printf("ubootldrkeyb: ymodemPort == %d from NOR flash", configBlockPtr->iPortNumber));

				switch (configBlockPtr->iPortNumber)

					{

					default:

					case 0: keyboardPort=1; break;

					case 1: keyboardPort=0; break;

					case 2: keyboardPort=1; break;

					}

				// Set the debug port to be the same as the Ymodem download port so that error messages get logged by trgtest

				Kern::SuperPage().iDebugPort = configBlockPtr->iPortNumber;

				}

			else

				{

				// invalid config block

				__KTRACE_OPT(KEXTENSION,Kern::Printf("ubootldrkeyb: Invlaid config block, magic=%x", configBlockPtr->iMagic));

				}

		}

		else

		{

			__KTRACE_OPT(KEXTENSION,Kern::Printf("ubootldrkeyb: error: failed to allocate chunk (%d)", errorCode));

		}

		// close the chunk

		chunk->Close(chunk);

	}

	__KTRACE_OPT(KEXTENSION,Kern::Printf("ubootldrkeyb: keyboardPort == %d", keyboardPort));

	return keyboardPort;

	}