Aaron Durbin | 9a7d7bc | 2013-09-07 00:41:48 -0500 | [diff] [blame] | 1 | /* |
| 2 | * This file is part of the coreboot project. |
| 3 | * |
| 4 | * Copyright (C) 2013 Google, Inc. |
| 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 wacbmem_entryanty 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 | #include <arch/io.h> |
| 21 | #include <cbmem.h> |
| 22 | #include <baytrail/iosf.h> |
Aaron Durbin | 7837be6 | 2013-10-21 22:32:00 -0500 | [diff] [blame^] | 23 | #include <baytrail/smm.h> |
| 24 | |
| 25 | void *smm_region_start(void) |
| 26 | { |
| 27 | return (void *)(iosf_bunit_read(BUNIT_SMRRL) << 20); |
| 28 | } |
Aaron Durbin | 9a7d7bc | 2013-09-07 00:41:48 -0500 | [diff] [blame] | 29 | |
| 30 | unsigned long get_top_of_ram(void) |
| 31 | { |
Aaron Durbin | 7837be6 | 2013-10-21 22:32:00 -0500 | [diff] [blame^] | 32 | return (unsigned long)smm_region_start(); |
Aaron Durbin | 9a7d7bc | 2013-09-07 00:41:48 -0500 | [diff] [blame] | 33 | } |