navienginebsp/naviengine_assp/assp.cia
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     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\assp.cia
       
    16 *
       
    17 */
       
    18 
       
    19 
       
    20 
       
    21 #include <e32cia.h>
       
    22 #include <naviengine_priv.h>
       
    23 #include <naviengine.h>
       
    24 #include "navienginecia.h"
       
    25 #include <upd35001_timer.h>
       
    26 
       
    27 
       
    28 __NAKED__ void MsTimerTick(TAny* aPtr)
       
    29 	{
       
    30 	// Service 1ms tick interrupt
       
    31 #ifdef TOGLE_UART_DTR_LINE
       
    32     asm("ldr r2, 3f");
       
    33     asm("add r2,r2,#0x10");             // KHwRoGpio_Port_Value
       
    34     asm("ldr r2, [r2]");
       
    35     asm("mov r3,#%a0" : : "i" ((TInt)(1<<9))); 
       
    36     asm("ands r2,r2,r3");
       
    37     asm("ldr r2, 3f");
       
    38     asm("add r2,r2,#0xc");               //r2 has KHwWoGpio_Port_Set_Clear_Lo
       
    39     asm("movne r3,r3,lsl #16");
       
    40     asm("str r3,[r2]");
       
    41 #endif
       
    42     asm("ldr r1, 1f ");					// Base address of timer 0
       
    43 	asm("mov r2, #%a0" : : "i" ((TInt)KNETimerGTIInt_TCI));
       
    44 	asm("str r2, [r1, #%a0]" : : "i" _FOFF(NETimer,iGTInterrupt));	// clear interrupt
       
    45     asm("ldr r2, 2f ");                 // set period again  needed due to idle tick 
       
    46     asm("str r2, [r1, #%a0]" : : "i" _FOFF(NETimer,iTimerReset));	// supression
       
    47 	asm("b  " CSM_ZN7NTimerQ4TickEv);	// Tick the millisecond timer
       
    48 
       
    49 	asm("1: ");
       
    50 	asm(".word %a0" : : "i" ((TInt)KHwTimersBase));
       
    51 	asm("2: ");
       
    52 	asm(".word %a0" : : "i" ((TInt)66666));
       
    53 #ifdef TOGLE_UART_DTR_LINE
       
    54 	asm("3: ");
       
    55 	asm(".word %a0" : : "i" ((TInt)KHwGPIOBase));
       
    56 #endif
       
    57 	}
       
    58 
       
    59 
       
    60 __NAKED__ TUint64 DoRead64(TLinAddr /*aAddr*/)
       
    61 	{	
       
    62 	asm("ldmia	r0, {r0-r1} ");
       
    63 	__JUMP(,lr);	
       
    64 	}
       
    65 	
       
    66 
       
    67 __NAKED__ void DoWrite64(TLinAddr aAddr, TUint64 aValue)
       
    68 	{
       
    69 #ifdef __EABI__
       
    70 	asm("stmia	r0, {r2-r3} ");
       
    71 #else
       
    72 	asm("stmia	r0, {r1-r2} ");
       
    73 #endif
       
    74 	__JUMP(,lr);	            
       
    75 	}
       
    76 	
       
    77