barebox/arch/arm/mach-pxa/clocksource.c
Alexander Shiyan 9a4cb25a39 treewide: Reuse init_clock() return value for clocksource drivers
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2014-11-10 08:42:19 +01:00

44 lines
1 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);
return init_clock(&cs);
}
core_initcall(clocksource_init);