arch/arm/cpu/armv7/omap3/emac.c

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