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FreeRTOS-Kernel/Demo/NEC_V850ES_IAR/LowLevelInit/LowLevelInit_Hx2.c

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/*
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FreeRTOS.org V5.2.0 - Copyright (C) 2003-2009 Richard Barry.
This file is part of the FreeRTOS.org distribution.
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FreeRTOS.org is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License (version 2) as published
by the Free Software Foundation and modified by the FreeRTOS exception.
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FreeRTOS.org is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
more details.
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You should have received a copy of the GNU General Public License along
with FreeRTOS.org; if not, write to the Free Software Foundation, Inc., 59
Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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A special exception to the GPL is included to allow you to distribute a
combined work that includes FreeRTOS.org without being obliged to provide
the source code for any proprietary components. See the licensing section
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of http://www.FreeRTOS.org for full details.
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***************************************************************************
* *
* Get the FreeRTOS eBook! See http://www.FreeRTOS.org/Documentation *
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* *
* This is a concise, step by step, 'hands on' guide that describes both *
* general multitasking concepts and FreeRTOS specifics. It presents and *
* explains numerous examples that are written using the FreeRTOS API. *
* Full source code for all the examples is provided in an accompanying *
* .zip file. *
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* *
***************************************************************************
1 tab == 4 spaces!
Please ensure to read the configuration and relevant port sections of the
online documentation.
http://www.FreeRTOS.org - Documentation, latest information, license and
contact details.
http://www.SafeRTOS.com - A version that is certified for use in safety
critical systems.
http://www.OpenRTOS.com - Commercial support, development, porting,
licensing and training services.
*/
#include "FreeRTOS.h"
/*-----------------------------------------------------------*/
/* Called by the startup code to initialise the run time system. */
unsigned portCHAR __low_level_init( void );
/*-----------------------------------------------------------*/
unsigned portCHAR __low_level_init( void )
{
unsigned portCHAR resetflag = RESF;
unsigned portBASE_TYPE i = 0;
portDISABLE_INTERRUPTS(); /* disable global interrupts */
PRCMD = 0x00; /* On-chip debug mode */
PCC = 0x00; /* high speed mode fCPU */
VSWC = 0x00;
WDTM2 = 0xF; /* Stop watchdog Timer */
PLLS = 0x03; /* Set PLL stabilisation time */
PLLON = 1; /* activate PLL */
for( i = 0; i <= 2000; i++ ) /* Wait for stabilisation */
{
portNOP();
}
while( LOCK ) /* Wait for PLL frequency stabiliasation */
{
portNOP();
}
SELPLL = 1; /* Set CPU operation to PLL mode */
return pdTRUE;
}
/*-----------------------------------------------------------*/