release/src-rt-6.x.4708/linux/linux-2.6.36/arch/arm/mach-bcmring/include/csp/secHw.h

   1 /*****************************************************************************
   2 * Copyright 2004 - 2008 Broadcom Corporation.  All rights reserved.
   3 *
   4 * Unless you and Broadcom execute a separate written software license
   5 * agreement governing use of this software, this software is licensed to you
   6 * under the terms of the GNU General Public License version 2, available at
   7 * http://www.broadcom.com/licenses/GPLv2.php (the "GPL").
   8 *
   9 * Notwithstanding the above, under no circumstances may you combine this
  10 * software in any way with any other Broadcom software provided under a
  11 * license other than the GPL, without Broadcom's express prior written
  12 * consent.
  13 *****************************************************************************/
  14
  15 /****************************************************************************/
  16 /**
  17 *  @file    secHw.h
  18 *
  19 *  @brief   Definitions for accessing low level security features
  20 *
  21 */
  22 /****************************************************************************/
  23 #ifndef SECHW_H
  24 #define SECHW_H
  25
  26 typedef void (*secHw_FUNC_t) (void);
  27
  28 typedef enum {
  29         secHw_MODE_SECURE = 0x0,        /* Switches processor into secure mode */
  30         secHw_MODE_NONSECURE = 0x1      /* Switches processor into non-secure mode */
  31 } secHw_MODE;
  32
  33 /****************************************************************************/
  34 /**
  35 *  @brief   Requesting to execute the function in secure mode
  36 *
  37 *  This function requests the given function to run in secure mode
  38 *
  39 */
  40 /****************************************************************************/
  41 void secHw_RunSecure(secHw_FUNC_t       /* Function to run in secure mode */
  42     );
  43
  44 /****************************************************************************/
  45 /**
  46 *  @brief   Sets the  mode
  47 *
  48 *  his function sets the processor mode (secure/non-secure)
  49 *
  50 */
  51 /****************************************************************************/
  52 void secHw_SetMode(secHw_MODE   /* Processor mode */
  53     );
  54
  55 /****************************************************************************/
  56 /**
  57 *  @brief   Get the current mode
  58 *
  59 *  This function retieves the processor mode (secure/non-secure)
  60 *
  61 */
  62 /****************************************************************************/
  63 void secHw_GetMode(secHw_MODE *);
  64
  65 #endif /* SECHW_H */