text: /*
   * Micrel KSZ8873 PHY Driver for TI DaVinci
   * (TMS320DM644x) based boards.
   *
   * Copyright (C) 2011 Heiko Schocher <hsdenx.de>
   *
   * based on:
   * National Semiconductor DP83848 PHY Driver for TI DaVinci
   * (TMS320DM644x) based boards.
   *
   * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
   *
   * --------------------------------------------------------
   *
   * See file CREDITS for list of people who contributed to this
   * project.
   *
   * This program is free software; you can redistribute it and/or
   * modify it under the terms of the GNU General Public License as
   * published by the Free Software Foundation; either version 2 of
   * the License, or (at your option) any later version.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program; if not, write to the Free Software
   * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
   * MA 02111-1307 USA
   */
  
  #include <common.h>
  #include <miiphy.h>
  #include <net.h>
  #include <asm/arch/emac_defs.h>
  #include <asm/io.h>
  #include "../../../../../drivers/net/davinci_emac.h"
  
  int ksz8873_is_phy_connected(int phy_addr)
  {
  	u_int16_t	dummy;
  
  	return davinci_eth_phy_read(phy_addr, MII_PHYSID1, &dummy);
  }
  
  int ksz8873_get_link_speed(int phy_addr)
  {
  	emac_regs *emac = (emac_regs *)EMAC_BASE_ADDR;
  
  	/* we always have a link to the switch, 100 FD */
  	writel((EMAC_MACCONTROL_MIIEN_ENABLE |
  		EMAC_MACCONTROL_FULLDUPLEX_ENABLE),
  	       &emac->MACCONTROL);
  	return 1;
  }
  
  
  int ksz8873_init_phy(int phy_addr)
  {
  	return 1;
  }
  
  
  int ksz8873_auto_negotiate(int phy_addr)
  {
  	return dp83848_get_link_speed(phy_addr);
  }
  