| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright 2014 Google Inc. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; version 2 of the License. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include <arch/secmon.h> |
| #include <console/console.h> |
| #include <soc/addressmap.h> |
| #include <soc/mmu_operations.h> |
| |
| static void soc_get_secure_mem(uint64_t *base, size_t *size) |
| { |
| uintptr_t tz_base_mib; |
| size_t tz_size_mib; |
| |
| carveout_range(CARVEOUT_TZ, &tz_base_mib, &tz_size_mib); |
| |
| tz_base_mib *= MiB; |
| tz_size_mib *= MiB; |
| |
| *base = tz_base_mib; |
| *size = tz_size_mib; |
| } |
| |
| void soc_get_secmon_base_size(uint64_t *base, size_t *size) |
| { |
| uintptr_t tz_base; |
| size_t ttb_size, tz_size; |
| |
| soc_get_secure_mem(&tz_base, &tz_size); |
| |
| ttb_size = TTB_SIZE * MiB; |
| |
| *base = tz_base + ttb_size; |
| *size = tz_size - ttb_size; |
| } |