Lee Leahy | 77ff0b1 | 2015-05-05 15:07:29 -0700 | [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 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 |
Patrick Georgi | 25509ee | 2015-03-26 15:17:45 +0100 | [diff] [blame] | 17 | * Foundation, Inc. |
Lee Leahy | 77ff0b1 | 2015-05-05 15:07:29 -0700 | [diff] [blame] | 18 | */ |
| 19 | |
| 20 | #include <arch/io.h> |
| 21 | #include <cbmem.h> |
| 22 | #include <soc/iosf.h> |
| 23 | #include <soc/smm.h> |
| 24 | |
| 25 | uintptr_t smm_region_start(void) |
| 26 | { |
| 27 | return (iosf_bunit_read(BUNIT_SMRRL) << 20); |
| 28 | } |
| 29 | |
| 30 | void *cbmem_top(void) |
| 31 | { |
| 32 | return (void *) smm_region_start(); |
| 33 | } |