src/northbridge/intel/i82830/memory_initialized.c

   1 /*
   2  * This file is part of the coreboot project.
   3  *
   4  * Copyright (C) 2008 Joseph Smith <joe@settoplinux.org>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  */
  16
  17
  18 #include "i82830.h"
  19 #define NB_DEV PCI_DEV(0, 0, 0)
  20
  21 static inline int memory_initialized(void)
  22 {
  23         u32 drc;
  24         drc = pci_read_config32(NB_DEV, DRC);
  25         return (drc & (1<<29));
  26 }