u-boot/arch/arm/mach-socfpga/timer_s10.c
Simon Glass 691d719db7 common: Drop init.h from common header
Move this uncommon header out of the common header.

Signed-off-by: Simon Glass <sjg@chromium.org>
2020-05-18 17:33:33 -04:00

27 lines
572 B
C

// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2017-2018 Intel Corporation <www.intel.com>
*
*/
#include <common.h>
#include <init.h>
#include <asm/io.h>
#include <asm/arch/timer.h>
/*
* Timer initialization
*/
int timer_init(void)
{
int enable = 0x3; /* timer enable + output signal masked */
int loadval = ~0;
/* enable system counter */
writel(enable, SOCFPGA_GTIMER_SEC_ADDRESS);
/* enable processor pysical counter */
asm volatile("msr cntp_ctl_el0, %0" : : "r" (enable));
asm volatile("msr cntp_tval_el0, %0" : : "r" (loadval));
return 0;
}