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/*
* arch/mips/philips/nino/power.c
*
* Copyright (C) 2000 Jim Pick <jim@jimpick.com>
* Copyright (C) 2001 Steven J. Hill (sjhill@realitydiluted.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* Power management routines for the Philips Nino
*/
#include <asm/io.h>
#include <asm/tx3912.h>
void nino_wait(void)
{
/* We stop the CPU to conserve power */
outl(inl(TX3912_POWER_CTRL) | TX3912_POWER_CTRL_STOPCPU,
TX3912_POWER_CTRL);
/*
* We wait until an interrupt happens...
*/
/* We resume here */
outl(inl(TX3912_POWER_CTRL) & ~TX3912_POWER_CTRL_STOPCPU,
TX3912_POWER_CTRL);
/* Give ourselves a little delay */
__asm__ __volatile__(
"nop\n\t"
"nop\n\t"
"nop\n\t"
"nop\n\t"
"nop\n\t"
"nop\n\t"
"nop\n\t");
}
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