board/esd/common/misc.c

   1 /*
   2  * (C) Copyright 2004
   3  * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
   4  *
   5  * See file CREDITS for list of people who contributed to this
   6  * project.
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License as
  10  * published by the Free Software Foundation; either version 2 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21  * MA 02111-1307 USA
  22  */
  23
  24 #include <common.h>
  25
  26 #ifdef CONFIG_LXT971_NO_SLEEP
  27 #include <miiphy.h>
  28 #endif
  29
  30
  31 #ifdef CONFIG_LXT971_NO_SLEEP
  32 void lxt971_no_sleep(void)
  33 {
  34         unsigned short reg;
  35
  36         miiphy_read("ppc_4xx_eth0", CONFIG_PHY_ADDR, 0x10, &reg);
  37         reg &= ~0x0040;                  /* disable sleep mode */
  38         miiphy_write("ppc_4xx_eth0", CONFIG_PHY_ADDR, 0x10, reg);
  39 }
  40 #endif /* CONFIG_LXT971_NO_SLEEP */