release/src-rt-6.x/linux/linux-2.6/arch/ppc/boot/of1275/ofinit.c

   1 /*
   2  * Copyright (C) Paul Mackerras 1997.
   3  * Copyright (C) Leigh Brown 2002.
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License
   7  * as published by the Free Software Foundation; either version
   8  * 2 of the License, or (at your option) any later version.
   9  */
  10
  11 #include "of1275.h"
  12
  13 prom_entry of_prom_entry;
  14 ihandle of_prom_mmu;
  15
  16 void
  17 ofinit(prom_entry prom_ptr)
  18 {
  19     phandle chosen;
  20
  21     of_prom_entry = prom_ptr;
  22
  23     if ((chosen = finddevice("/chosen")) == OF_INVALID_HANDLE)
  24         return;
  25     if (getprop(chosen, "mmu", &of_prom_mmu, sizeof(ihandle)) != 4)
  26         return;
  27 }