48 lines
1015 B
C
48 lines
1015 B
C
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/* Board-specific reboot/shutdown routines
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* Copyright (c) 2009 Philippe Vachon <philippe@cowpig.ca>
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*
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* Copyright (C) 2009 Lemote Inc.
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* Author: Wu Zhangjin, wuzhangjin@gmail.com
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*/
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#include <loongson.h>
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#include <gsc3280/gsc3280_regs.h>
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#include <linux/kernel.h>
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void loongson_wait(void)
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{
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#ifdef CONFIG_CPU_WAIT
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unsigned int volatile *addr = (unsigned int volatile *)GSC3280_REGADDR_ICTL_INTEN_L;
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if (system_state == SYSTEM_BOOTING)
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return;
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__asm__ volatile (
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".set push \n"
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".set noreorder \n"
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".set mips3 \n"
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"lw $0, %0 \n"
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"nop \n"
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"wait \n"
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"nop \n"
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".set mips2 \n"
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".set pop \n"
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: : "m" (addr)
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);
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#endif
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}
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void mach_prepare_reboot(void)
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{
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}
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void mach_prepare_shutdown(void)
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{
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}
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