42 lines
1.2 KiB
C
42 lines
1.2 KiB
C
/*
|
|
* linux/arch/arm/plat-versatile/sched-clock.c
|
|
*
|
|
* Copyright (C) 1999 - 2003 ARM Limited
|
|
* Copyright (C) 2000 Deep Blue Solutions Ltd
|
|
*
|
|
* 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
|
|
*/
|
|
#include <linux/kernel.h>
|
|
#include <linux/io.h>
|
|
|
|
#include <asm/sched_clock.h>
|
|
#include <plat/sched_clock.h>
|
|
|
|
static void __iomem *ctr;
|
|
|
|
static u32 notrace versatile_read_sched_clock(void)
|
|
{
|
|
if (ctr)
|
|
return readl(ctr);
|
|
|
|
return 0;
|
|
}
|
|
|
|
void __init versatile_sched_clock_init(void __iomem *reg, unsigned long rate)
|
|
{
|
|
ctr = reg;
|
|
setup_sched_clock(versatile_read_sched_clock, 32, rate);
|
|
}
|