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/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @ingroup RTEMSBSPsARMLPC32XX
*
* @brief Reset code.
*/
/*
* Copyright (c) 2009-2010 embedded brains GmbH. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdbool.h>
#include <bspopts.h>
#include <bsp/bootcard.h>
#include <bsp/lpc32xx.h>
static void watchdog_reset(void)
{
#ifdef LPC32XX_ENABLE_WATCHDOG_RESET
LPC32XX_TIMCLK_CTRL |= TIMCLK_CTRL_WDT;
lpc32xx.wdt.mctrl |= WDTTIM_MCTRL_M_RES1 | WDTTIM_MCTRL_M_RES2;
lpc32xx.wdt.emr = WDTTIM_EMR_MATCH_CTRL_SET(lpc32xx.wdt.emr, 0x2);
lpc32xx.wdt.ctrl |= WDTTIM_CTRL_COUNT_ENAB;
lpc32xx.wdt.match0 = 1;
lpc32xx.wdt.counter = 0;
#endif
}
void bsp_reset( void)
{
watchdog_reset();
while (true) {
/* Do nothing */
}
}
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