| Stefan Reinauer | 278534d | 2008-10-29 04:51:07 +0000 | [diff] [blame] | 1 | /* |
| 2 | * This file is part of the coreboot project. |
| 3 | * |
| 4 | * Copyright (C) 2007-2008 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. |
| Stefan Reinauer | 278534d | 2008-10-29 04:51:07 +0000 | [diff] [blame] | 14 | */ |
| 15 | |
| Patrick Georgi | d083595 | 2010-10-05 09:07:10 +0000 | [diff] [blame] | 16 | #include <stdint.h> |
| 17 | #include "i945.h" |
| Stefan Reinauer | 53b0ea4 | 2010-03-22 11:50:52 +0000 | [diff] [blame] | 18 | #include "raminit.h" |
| 19 | |
| Elyes HAOUAS | 8273e13 | 2020-03-10 22:17:12 +0100 | [diff] [blame^] | 20 | int fixup_i945gm_errata(void) |
| Stefan Reinauer | 278534d | 2008-10-29 04:51:07 +0000 | [diff] [blame] | 21 | { |
| 22 | u32 reg32; |
| 23 | |
| 24 | /* Mobile Intel 945 Express only */ |
| 25 | reg32 = MCHBAR32(FSBPMC3); |
| 26 | reg32 &= ~((1 << 13) | (1 << 29)); |
| 27 | MCHBAR32(FSBPMC3) = reg32; |
| 28 | |
| 29 | return 0; |
| 30 | } |