board/sr1500/socfpga.c

   1 /*
   2  * Copyright (C) 2015 Stefan Roese <sr@denx.de>
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6
   7 #include <common.h>
   8 #include <asm/arch/reset_manager.h>
   9 #include <asm/gpio.h>
  10 #include <asm/io.h>
  11
  12 int board_early_init_f(void)
  13 {
  14         int ret;
  15
  16         /* Reset the Marvell PHY 88E1510 */
  17         ret = gpio_request(63, "PHY reset");
  18         if (ret)
  19                 return ret;
  20
  21         gpio_direction_output(63, 0);
  22         mdelay(1);
  23         gpio_set_value(63, 1);
  24         mdelay(10);
  25
  26         return 0;
  27 }