mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-24 20:13:39 +00:00
691d719db7
Move this uncommon header out of the common header. Signed-off-by: Simon Glass <sjg@chromium.org>
27 lines
572 B
C
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;
|
|
}
|