46 lines
1.0 KiB
C
46 lines
1.0 KiB
C
/*
|
|
* (C) Copyright 2009 Sascha Hauer <s.hauer@pengutronix.de>
|
|
*
|
|
* See file CREDITS for list of people who contributed to this
|
|
* project.
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <init.h>
|
|
#include <clock.h>
|
|
#include <asm/io.h>
|
|
|
|
#define OSCR 0x40A00010
|
|
|
|
uint64_t pxa_clocksource_read(void)
|
|
{
|
|
return readl(OSCR);
|
|
}
|
|
|
|
static struct clocksource cs = {
|
|
.read = pxa_clocksource_read,
|
|
.mask = 0xffffffff,
|
|
.shift = 20,
|
|
};
|
|
|
|
static int clocksource_init(void)
|
|
{
|
|
cs.mult = clocksource_hz2mult(3250000, cs.shift);
|
|
|
|
init_clock(&cs);
|
|
|
|
return 0;
|
|
}
|
|
|
|
core_initcall(clocksource_init);
|