release/src-rt-6.x.4708/linux/linux-2.6.36/arch/arm/mach-bcmring/include/mach/csp/secHw_def.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_def.h
  18 *
  19 *  @brief   Definitions for configuring/testing secure blocks
  20 *
  21 *  @note
  22 *     None
  23 */
  24 /****************************************************************************/
  25
  26 #ifndef SECHW_DEF_H
  27 #define SECHW_DEF_H
  28
  29 #include <mach/csp/mm_io.h>
  30
  31 /* Bit mask for various secure device */
  32 #define secHw_BLK_MASK_CHIP_CONTROL     0x00000001
  33 #define secHw_BLK_MASK_KEY_SCAN         0x00000002
  34 #define secHw_BLK_MASK_TOUCH_SCREEN     0x00000004
  35 #define secHw_BLK_MASK_UART0            0x00000008
  36 #define secHw_BLK_MASK_UART1            0x00000010
  37 #define secHw_BLK_MASK_WATCHDOG         0x00000020
  38 #define secHw_BLK_MASK_SPUM             0x00000040
  39 #define secHw_BLK_MASK_DDR2             0x00000080
  40 #define secHw_BLK_MASK_EXT_MEM          0x00000100
  41 #define secHw_BLK_MASK_ESW              0x00000200
  42 #define secHw_BLK_MASK_SPU              0x00010000
  43 #define secHw_BLK_MASK_PKA              0x00020000
  44 #define secHw_BLK_MASK_RNG              0x00040000
  45 #define secHw_BLK_MASK_RTC              0x00080000
  46 #define secHw_BLK_MASK_OTP              0x00100000
  47 #define secHw_BLK_MASK_BOOT             0x00200000
  48 #define secHw_BLK_MASK_MPU              0x00400000
  49 #define secHw_BLK_MASK_TZCTRL           0x00800000
  50 #define secHw_BLK_MASK_INTR             0x01000000
  51
  52 /* Trustzone register set */
  53 typedef struct {
  54         volatile uint32_t status;       /* read only - reflects status of writes of 2 write registers */
  55         volatile uint32_t setUnsecure;  /* write only. reads back as 0 */
  56         volatile uint32_t setSecure;    /* write only. reads back as 0 */
  57 } secHw_TZREG_t;
  58
  59 /* There are 2 register sets. The first is for the lower 16 bits, the 2nd */
  60 /* is for the higher 16 bits. */
  61
  62 typedef enum {
  63         secHw_IDX_LS = 0,
  64         secHw_IDX_MS = 1,
  65         secHw_IDX_NUM
  66 } secHw_IDX_e;
  67
  68 typedef struct {
  69         volatile secHw_TZREG_t reg[secHw_IDX_NUM];
  70 } secHw_REGS_t;
  71
  72 /****************************************************************************/
  73 /**
  74 *  @brief  Configures a device as a secure device
  75 *
  76 */
  77 /****************************************************************************/
  78 static inline void secHw_setSecure(uint32_t mask        /*  mask of type secHw_BLK_MASK_XXXXXX */
  79     );
  80
  81 /****************************************************************************/
  82 /**
  83 *  @brief  Configures a device as a non-secure device
  84 *
  85 */
  86 /****************************************************************************/
  87 static inline void secHw_setUnsecure(uint32_t mask      /*  mask of type secHw_BLK_MASK_XXXXXX */
  88     );
  89
  90 /****************************************************************************/
  91 /**
  92 *  @brief  Get the trustzone status for all components. 1 = non-secure, 0 = secure
  93 *
  94 */
  95 /****************************************************************************/
  96 static inline uint32_t secHw_getStatus(void);
  97
  98 #include <mach/csp/secHw_inline.h>
  99
 100 #endif /* SECHW_DEF_H */