2 * This file is part of the coreboot project.
4 * Copyright (C) 2012 The Chromium OS Authors. All rights reserved.
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation; version 2 of
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.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
25 #define X86_BDA_SIZE 0x200
26 #define X86_BDA_BASE 0x400
27 #define X86_EBDA_SEGMENT 0x40e
28 #define X86_EBDA_LOWMEM 0x413
30 #define DEFAULT_EBDA_LOWMEM (1024 << 10)
31 #define DEFAULT_EBDA_SEGMENT 0xF600
32 #define DEFAULT_EBDA_SIZE 0x400
34 void setup_ebda(u32 low_memory_size, u16 ebda_segment, u16 ebda_size);
35 void setup_default_ebda(void);