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/*
* arch/mips/danube/pmu.c
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*
* Copyright (C) 2007 John Crispin <blogic@openwrt.org>
*
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/version.h>
#include <asm/danube/danube.h>
void
danube_pmu_enable (unsigned int module)
{
int err = 1000000;
writel(readl(DANUBE_PMU_PWDCR) & ~module, DANUBE_PMU_PWDCR);
while (--err && (readl(DANUBE_PMU_PWDSR) & module)) {}
if (!err)
panic("activating PMU module failed!");
}
EXPORT_SYMBOL(danube_pmu_enable);
void
danube_pmu_disable (unsigned int module)
{
writel(readl(DANUBE_PMU_PWDCR) | module, DANUBE_PMU_PWDCR);
}
EXPORT_SYMBOL(danube_pmu_disable);
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