arch/arm/mach-bcmring/include/mach/csp/secHw_inline.h

   1 /*****************************************************************************
   2 * Copyright 2003 - 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_inline.h
  18 *
  19 *  @brief   Definitions for configuring/testing secure blocks
  20 *
  21 *  @note
  22 *     None
  23 */
  24 /****************************************************************************/
  25
  26 #ifndef SECHW_INLINE_H
  27 #define SECHW_INLINE_H
  28
  29 /****************************************************************************/
  30 /**
  31 *  @brief  Configures a device as a secure device
  32 *
  33 */
  34 /****************************************************************************/
  35 static inline void secHw_setSecure(uint32_t mask        /*  mask of type secHw_BLK_MASK_XXXXXX */
  36     ) {
  37         secHw_REGS_t *regp = (secHw_REGS_t *) MM_IO_BASE_TZPC;
  38
  39         if (mask & 0x0000FFFF) {
  40                 regp->reg[secHw_IDX_LS].setSecure = mask & 0x0000FFFF;
  41         }
  42
  43         if (mask & 0xFFFF0000) {
  44                 regp->reg[secHw_IDX_MS].setSecure = mask >> 16;
  45         }
  46 }
  47
  48 /****************************************************************************/
  49 /**
  50 *  @brief  Configures a device as a non-secure device
  51 *
  52 */
  53 /****************************************************************************/
  54 static inline void secHw_setUnsecure(uint32_t mask      /*  mask of type secHw_BLK_MASK_XXXXXX */
  55     ) {
  56         secHw_REGS_t *regp = (secHw_REGS_t *) MM_IO_BASE_TZPC;
  57
  58         if (mask & 0x0000FFFF) {
  59                 regp->reg[secHw_IDX_LS].setUnsecure = mask & 0x0000FFFF;
  60         }
  61         if (mask & 0xFFFF0000) {
  62                 regp->reg[secHw_IDX_MS].setUnsecure = mask >> 16;
  63         }
  64 }
  65
  66 /****************************************************************************/
  67 /**
  68 *  @brief  Get the trustzone status for all components. 1 = non-secure, 0 = secure
  69 *
  70 */
  71 /****************************************************************************/
  72 static inline uint32_t secHw_getStatus(void)
  73 {
  74         secHw_REGS_t *regp = (secHw_REGS_t *) MM_IO_BASE_TZPC;
  75
  76         return (regp->reg[1].status << 16) + regp->reg[0].status;
  77 }
  78
  79 #endif /* SECHW_INLINE_H */