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awilliam
GitHub Repository: awilliam/linux-vfio
Path: blob/master/arch/arm/mach-gemini/include/mach/system.h
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/*
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* Copyright (C) 2001-2006 Storlink, Corp.
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* Copyright (C) 2008-2009 Paulius Zaleckas <[email protected]>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#ifndef __MACH_SYSTEM_H
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#define __MACH_SYSTEM_H
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#include <linux/io.h>
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#include <mach/hardware.h>
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#include <mach/global_reg.h>
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static inline void arch_idle(void)
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{
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/*
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* Because of broken hardware we have to enable interrupts or the CPU
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* will never wakeup... Acctualy it is not very good to enable
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* interrupts here since scheduler can miss a tick, but there is
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* no other way around this. Platforms that needs it for power saving
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* should call enable_hlt() in init code, since by default it is
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* disabled.
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*/
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local_irq_enable();
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cpu_do_idle();
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}
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static inline void arch_reset(char mode, const char *cmd)
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{
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__raw_writel(RESET_GLOBAL | RESET_CPU1,
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IO_ADDRESS(GEMINI_GLOBAL_BASE) + GLOBAL_RESET);
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}
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#endif /* __MACH_SYSTEM_H */
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