45 lines
1.3 KiB
C
45 lines
1.3 KiB
C
/*
|
|
* 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(IFXMIPS_PMU_PWDCR) & ~module, IFXMIPS_PMU_PWDCR);
|
|
while (--err && (readl(IFXMIPS_PMU_PWDSR) & module)) {}
|
|
|
|
if (!err)
|
|
panic("activating PMU module failed!");
|
|
}
|
|
EXPORT_SYMBOL(danube_pmu_enable);
|
|
|
|
void
|
|
danube_pmu_disable (unsigned int module)
|
|
{
|
|
writel(readl(IFXMIPS_PMU_PWDCR) | module, IFXMIPS_PMU_PWDCR);
|
|
}
|
|
EXPORT_SYMBOL(danube_pmu_disable);
|