mirror of https://gitee.com/openkylin/linux.git
45 lines
962 B
C
45 lines
962 B
C
/*
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* arch/arm/mach-ixp4xx/include/mach/system.h
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*
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* Copyright (C) 2002 Intel Corporation.
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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 version 2 as
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* published by the Free Software Foundation.
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*
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*/
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#include <mach/hardware.h>
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static inline void arch_idle(void)
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{
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/* ixp4xx does not implement the XScale PWRMODE register,
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* so it must not call cpu_do_idle() here.
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*/
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#if 0
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cpu_do_idle();
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#endif
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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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if ( 1 && mode == 's') {
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/* Jump into ROM at address 0 */
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cpu_reset(0);
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} else {
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/* Use on-chip reset capability */
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/* set the "key" register to enable access to
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* "timer" and "enable" registers
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*/
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*IXP4XX_OSWK = IXP4XX_WDT_KEY;
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/* write 0 to the timer register for an immediate reset */
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*IXP4XX_OSWT = 0;
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*IXP4XX_OSWE = IXP4XX_WDT_RESET_ENABLE | IXP4XX_WDT_COUNT_ENABLE;
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}
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}
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