arch/arm/include/asm/arm-cci.h

   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