| Suzuki K. Poulose | 772742a | 2015-03-18 12:24:40 +0000 | [diff] [blame] | 1 | /* |
| 2 | * arch/arm/include/asm/arm-cci.h |
| 3 | * |
| 4 | * Copyright (C) 2015 ARM Ltd. |
| 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 version 2 as |
| 8 | * published by the Free Software Foundation. |
| 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, see <http://www.gnu.org/licenses/>. |
| 17 | */ |
| 18 | |
| 19 | #ifndef __ASM_ARM_CCI_H |
| 20 | #define __ASM_ARM_CCI_H |
| 21 | |
| 22 | #ifdef CONFIG_MCPM |
| 23 | #include <asm/mcpm.h> |
| 24 | |
| 25 | /* |
| 26 | * We don't have a reliable way of detecting whether, |
| 27 | * if we have access to secure-only registers, unless |
| 28 | * mcpm is registered. |
| 29 | */ |
| 30 | static inline bool platform_has_secure_cci_access(void) |
| 31 | { |
| 32 | return mcpm_is_available(); |
| 33 | } |
| 34 | |
| 35 | #else |
| 36 | static inline bool platform_has_secure_cci_access(void) |
| 37 | { |
| 38 | return false; |
| 39 | } |
| 40 | #endif |
| 41 | |
| 42 | #endif |