LXR uboot/arch/arm/mach-omap2/omap3/emac.c

   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 *
   4 * DaVinci EMAC initialization.
   5 *
   6 * (C) Copyright 2011, Ilya Yanok, Emcraft Systems
   7 */
   8
   9#include <common.h>
  10#include <net.h>
  11#include <asm/io.h>
  12#include <asm/arch/am35x_def.h>
  13
  14/*
  15 * Initializes on-chip ethernet controllers.
  16 * to override, implement board_eth_init()
  17 */
  18int cpu_eth_init(struct bd_info *bis)
  19{
  20        u32 reset;
  21
  22        /* ensure that the module is out of reset */
  23        reset = readl(&am35x_scm_general_regs->ip_sw_reset);
  24        reset &= ~CPGMACSS_SW_RST;
  25        writel(reset, &am35x_scm_general_regs->ip_sw_reset);
  26
  27        return 0;
  28}
  29