/*
* Copyright (c) 2002 by Jay Monkman <jtm@smoothsmoothie.com>
*
* 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 <bsp.h>
void bsp_reset(void)
{
#if ON_SKYEYE == 1
#define SKYEYE_MAGIC_ADDRESS (*(volatile unsigned int *)(0xb0000000))
SKYEYE_MAGIC_ADDRESS = 0xff;
#else
/* XXX TODO this code is copied from gp32.. move it to a shared place */
rtems_interrupt_level level;
rtems_interrupt_disable(level);
/* disable mmu, invalide i-cache and call swi #4 */
__asm__ volatile(""
"mrc p15,0,r0,c1,c0,0 \n"
"bic r0,r0,#1 \n"
"mcr p15,0,r0,c1,c0,0 \n"
"nop \n"
"nop \n"
"nop \n"
"nop \n"
"nop \n"
"mov r0,#0 \n"
"MCR p15,0,r0,c7,c5,0 \n"
"nop \n"
"nop \n"
"nop \n"
"nop \n"
"nop \n"
"swi #4 "
:
:
: "r0"
);
/* we should be back in bios now */
#endif
}
