arch/arm/cpu/armv7/socfpga/timer.c

   1 /*
   2  *  Copyright (C) 2012 Altera Corporation <www.altera.com>
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6
   7 #include <common.h>
   8 #include <asm/io.h>
   9 #include <asm/arch/timer.h>
  10
  11 static const struct socfpga_timer *timer_base = (void *)CONFIG_SYS_TIMERBASE;
  12
  13 /*
  14  * Timer initialization
  15  */
  16 int timer_init(void)
  17 {
  18         writel(TIMER_LOAD_VAL, &timer_base->load_val);
  19         writel(TIMER_LOAD_VAL, &timer_base->curr_val);
  20         writel(readl(&timer_base->ctrl) | 0x3, &timer_base->ctrl);
  21         return 0;
  22 }