1 /*

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

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

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

     6 * which accompanies this distribution, and is available

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

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: 

    15 * naviengine_assp\uart\vserialkeyb.cpp

    16 * Serial keyboard driver

    17 *

    18 */

    19 

    20 

    21 /**

    22  @file

    23  @internalTechnology

    24 */

    25 

    26 #include <e32keys.h>

    27 #include <comm.h>

    28 #include <assp.h>

    29 #include "../naviengine.h"

    30 #include <kernel/kern_priv.h>

    31 #include "uart16550_ne.h"

    32 #include "vserialkeyb.h"

    33 #include "bootloader_variantconfig.h"

    34 

    35 TInt TSerialKeyboard::GetSerialPort(TUint& aBaud)

    36 	{

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

    38 	//

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

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

    41 	//

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

    43 	//

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

    45 	//

    46 	//    Ymodem  Keyboard

    47 	//    0       1

    48 	//    1       0

    49 	//    2       1

    50 

    51 	TInt    keyboardPort           = 1;

    52 	aBaud = 115200;

    53 	TUint32 ConfigBlockAddressPhys = KNORFlashMaxBootloaderSize - KFlashEraseBlockSize;

    54 

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

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

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

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

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

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

    61 

    62 	{

    63 		DPlatChunkHw * chunk;

    64 

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

    66 		

    67 		if (errorCode == KErrNone)

    68 		{

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

    70 

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

    72 

    73 			SBootloaderConfig * configBlockPtr = (SBootloaderConfig * )linearAddr;

    74 

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

    76 			if (configBlockPtr->iMagic == KUidUBootldrCfgMagic)

    77 				{

    78 				// valid config block

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

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

    81 

    82 				switch (configBlockPtr->iPortNumber)

    83 					{

    84 					default:

    85 					case 0: keyboardPort=1; break;

    86 					case 1: keyboardPort=0; break;

    87 					case 2: keyboardPort=1; break;

    88 					}

    89 

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

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

    92 				}

    93 			else

    94 				{

    95 				// invalid config block

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

    97 				}

    98 		}

    99 		else

   100 		{

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

   102 		}

   103 

   104 		// close the chunk

   105 		chunk->Close(chunk);

   106 	}

   107 

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

   109 	return keyboardPort;

   110 	}

   111