LXR coreboot-v2/src/include/cbmem.h

   1/*
   2 * This file is part of the coreboot project.
   3 *
   4 * Copyright (C) 2009 coresystems GmbH
   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; version 2 of the License.
   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., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
  18 */
  19
  20#ifndef _CBMEM_H_
  21#define _CBMEM_H_
  22
  23/* Reserve 64k for ACPI and other tables */
  24#define HIGH_MEMORY_TABLES      ( 64 * 1024 )
  25
  26#if CONFIG_HAVE_ACPI_RESUME
  27#define HIGH_MEMORY_SIZE        ( 1024 * 1024 )
  28#define HIGH_MEMORY_SAVE        ( HIGH_MEMORY_SIZE - HIGH_MEMORY_TABLES )
  29#else
  30#define HIGH_MEMORY_SIZE        HIGH_MEMORY_TABLES
  31#endif
  32
  33#define CBMEM_ID_FREESPACE      0x46524545
  34#define CBMEM_ID_GDT            0x4c474454
  35#define CBMEM_ID_ACPI           0x41435049
  36#define CBMEM_ID_CBTABLE        0x43425442
  37#define CBMEM_ID_PIRQ           0x49525154
  38#define CBMEM_ID_MPTABLE        0x534d5054
  39#define CBMEM_ID_RESUME         0x5245534d
  40#define CBMEM_ID_NONE           0x00000000
  41
  42void cbmem_initialize(void);
  43
  44void cbmem_init(u64 baseaddr, u64 size);
  45int cbmem_reinit(u64 baseaddr);
  46void *cbmem_add(u32 id, u64 size);
  47void *cbmem_find(u32 id);
  48void cbmem_list(void);
  49void cbmem_arch_init(void);
  50
  51#endif
  52