mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-26 03:30:54 +07:00
089b5c9595
Rely solely on device tree matching to detect and probe the SMP TWD timer and remove this custom hack. Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
49 lines
1.0 KiB
C
49 lines
1.0 KiB
C
/*
|
|
* Copyright (C) ST-Ericsson SA 2011
|
|
*
|
|
* License Terms: GNU General Public License v2
|
|
* Author: Mattias Wallin <mattias.wallin@stericsson.com> for ST-Ericsson
|
|
*/
|
|
#include <linux/io.h>
|
|
#include <linux/errno.h>
|
|
#include <linux/clksrc-dbx500-prcmu.h>
|
|
#include <linux/clocksource.h>
|
|
#include <linux/of.h>
|
|
#include <linux/of_address.h>
|
|
|
|
#include "setup.h"
|
|
|
|
#include "db8500-regs.h"
|
|
#include "id.h"
|
|
|
|
const static struct of_device_id prcmu_timer_of_match[] __initconst = {
|
|
{ .compatible = "stericsson,db8500-prcmu-timer-4", },
|
|
{ },
|
|
};
|
|
|
|
void __init ux500_timer_init(void)
|
|
{
|
|
void __iomem *prcmu_timer_base;
|
|
void __iomem *tmp_base;
|
|
struct device_node *np;
|
|
|
|
if (cpu_is_u8500_family() || cpu_is_ux540_family())
|
|
prcmu_timer_base = __io_address(U8500_PRCMU_TIMER_4_BASE);
|
|
else
|
|
ux500_unknown_soc();
|
|
|
|
np = of_find_matching_node(NULL, prcmu_timer_of_match);
|
|
if (!np)
|
|
goto dt_fail;
|
|
|
|
tmp_base = of_iomap(np, 0);
|
|
if (!tmp_base)
|
|
goto dt_fail;
|
|
|
|
prcmu_timer_base = tmp_base;
|
|
|
|
dt_fail:
|
|
clksrc_dbx500_prcmu_init(prcmu_timer_base);
|
|
clocksource_of_init();
|
|
}
|