reactos/boot/freeldr/freeldr/arch/i386/archmach.c

   1 /* $Id$
   2  *
   3  *  FreeLoader
   4  *
   5  *  This program is free software; you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation; either version 2 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  This program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with this program; if not, write to the Free Software
  17  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18  */
  19
  20 #include "freeldr.h"
  21 #include "mm.h"
  22 #include "machine.h"
  23 #include "machpc.h"
  24 #include "machxbox.h"
  25 #include "portio.h"
  26 #include "hardware.h"
  27 #include "rtl.h"
  28
  29 VOID
  30 MachInit(VOID)
  31 {
  32   U32 PciId;
  33
  34   memset(&MachVtbl, 0, sizeof(MACHVTBL));
  35
  36   /* Check for Xbox by identifying device at PCI 0:0:0, if it's
  37    * 0x10de/0x02a5 then we're running on an Xbox */
  38   WRITE_PORT_ULONG((U32*) 0xcf8, CONFIG_CMD(0, 0, 0));
  39   PciId = READ_PORT_ULONG((U32*) 0xcfc);
  40   if (0x02a510de == PciId)
  41     {
  42       XboxMachInit();
  43     }
  44   else
  45     {
  46       PcMachInit();
  47     }
  48
  49   HalpCalibrateStallExecution();
  50 }
  51
  52 /* EOF */