Ronald G. Minnich | 9831244 | 2016-02-12 22:37:48 +0000 | [diff] [blame] | 1 | /* |
| 2 | * This file is part of the coreboot project. |
| 3 | * |
| 4 | * Copyright (C) 2013 Google, Inc. |
| 5 | * |
| 6 | * This software is licensed under the terms of the GNU General Public |
| 7 | * License version 2, as published by the Free Software Foundation, and |
| 8 | * may be copied, distributed, and modified under those terms. |
| 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 | |
| 16 | #include <cbmem.h> |
| 17 | |
| 18 | void *cbmem_top(void) |
| 19 | { |
| 20 | /* Top of cbmem is at lowest usable DRAM address below 4GiB. */ |
| 21 | /* For now, last 1M of 4G */ |
| 22 | void *ptr = (void *) ((1ULL << 32) - 1048576); |
| 23 | return ptr; |
| 24 | } |