forked from Imagelibrary/rtems
9964895866
Adjust build support files to new directory layout. This patch is a part of the BSP source reorganization. Update #3285.
52 lines
1.4 KiB
C
52 lines
1.4 KiB
C
/*
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* Copyright (c) 2002 by Jay Monkman <jtm@smoothsmoothie.com>
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.org/license/LICENSE.
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*/
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#include <bsp.h>
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#include <bsp/bootcard.h>
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void bsp_reset(void)
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{
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#if ON_SKYEYE == 1
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#define SKYEYE_MAGIC_ADDRESS (*(volatile unsigned int *)(0xb0000000))
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SKYEYE_MAGIC_ADDRESS = 0xff;
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#else
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/* TODO: This code was initially copied from the gp32 BSP. That BSP has
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* been obsoleted and removed but this code may still benefit from being
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* in a shared place.
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*/
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rtems_interrupt_level level;
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(void) level;
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rtems_interrupt_disable(level);
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/* disable mmu, invalide i-cache and call swi #4 */
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__asm__ volatile(""
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"mrc p15,0,r0,c1,c0,0 \n"
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"bic r0,r0,#1 \n"
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"mcr p15,0,r0,c1,c0,0 \n"
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"nop \n"
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"nop \n"
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"nop \n"
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"nop \n"
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"nop \n"
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"mov r0,#0 \n"
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"MCR p15,0,r0,c7,c5,0 \n"
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"nop \n"
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"nop \n"
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"nop \n"
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"nop \n"
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"nop \n"
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"swi #4 "
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:
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:
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: "r0"
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);
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/* we should be back in bios now */
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#endif
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}
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