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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2017-2018 Intel Corporation <www.intel.com>
*
*/
#include <common.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;
}
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