2 * This file is part of the coreboot project.
4 * Copyright (C) 2006 Uwe Hermann <uwe@hermann-uwe.de>
5 * Copyright (C) 2009 Maciej Pijanka <maciej.pijanka@gmail.com>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
24 * - Name: Intel 440LX AGPset: 82443LX Host Bridge/Controller
29 * Host-to-PCI Bridge Registers.
30 * The values in parenthesis are the default values as per datasheet.
31 * Any addresses between 0x00 and 0xff not listed below are either
33 * i didnt listed every register that IS implemented, just usefull ones
34 * -- Maciej `agaran` Pijanka
36 * Reserved or Intel Reserved and should not be touched.
38 #define APBASE 0x34 /* Aperture Base Address (0x00000008) */
39 #define PACCFG 0x50 /* 440LX PAC Configuration Register (0s00_s000_0000_0s00b) */
40 #define DBC 0x53 /* DRAM Row Type Register (0x83) */
41 #define DRT 0x55 /* DRAM Row Type Register (0x0000) */
42 #define DRAMC 0x57 /* DRAM Control (0x01) */
43 #define DRAMT 0x58 /* DRAM Timing (0x00) */
44 #define PAM 0x59 /* Programmable Attribute Map, 7 registers (0x00). */
45 #define DRB 0x60 /* DRAM Row Boundary, 8 registers (0x01). */
46 #define FDHC 0x68 /* Fixed SDRAM Hole Control (0x00). */
47 #define DRAMXC 0x6A /* Dram Extended Control Register (0x0000) */
48 #define MBSC 0x6C /* Memory Buffer Strength Control: (0x55555555) */
50 #define SMRAM 0x72 /* System Management RAM Control (0x02). */
51 #define ERRCMD 0x90 /* Error Command Register (0x80). */
52 #define ERRSTS0 0x91 /* Error Status (0x0000). */
53 #define ERRSTS1 0x92 /* Error Status (0x0000). */
56 /* For convenience: */