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/**
* @file
*
* @ingroup lpc32xx
*
* @brief Restart implementation.
*/
/*
* Copyright (c) 2010
* embedded brains GmbH
* Obere Lagerstr. 30
* D-82178 Puchheim
* Germany
* <rtems@embedded-brains.de>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*/
#include <rtems.h>
#include <libcpu/arm-cp15.h>
#include <bsp.h>
void lpc32xx_restart(void *addr)
{
ARM_SWITCH_REGISTERS;
rtems_interrupt_level level;
uint32_t ctrl = 0;
/* FIXME: DMA shutdown */
/* FIXME: USB shutdown */
/* FIXME: Ethernet interface reset */
rtems_interrupt_disable(level);
arm_cp15_data_cache_test_and_clean();
arm_cp15_instruction_cache_invalidate();
ctrl = arm_cp15_get_control();
ctrl &= ~(ARM_CP15_CTRL_I | ARM_CP15_CTRL_C | ARM_CP15_CTRL_M);
arm_cp15_set_control(ctrl);
asm volatile (
ARM_SWITCH_TO_ARM
"mov pc, %[addr]\n"
ARM_SWITCH_BACK
: ARM_SWITCH_OUTPUT
: [addr] "r" (addr)
);
}
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