arch/arm/mach-omap2/omap-secure.h

   1 /*
   2  * omap-secure.h: OMAP Secure infrastructure header.
   3  *
   4  * Copyright (C) 2011 Texas Instruments, Inc.
   5  *      Santosh Shilimkar <santosh.shilimkar@ti.com>
   6  * Copyright (C) 2012 Ivaylo Dimitrov <freemangordon@abv.bg>
   7  * Copyright (C) 2013 Pali Rohár <pali.rohar@gmail.com>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License version 2 as
  11  * published by the Free Software Foundation.
  12  */
  13 #ifndef OMAP_ARCH_OMAP_SECURE_H
  14 #define OMAP_ARCH_OMAP_SECURE_H
  15
  16 /* Monitor error code */
  17 #define  API_HAL_RET_VALUE_NS2S_CONVERSION_ERROR        0xFFFFFFFE
  18 #define  API_HAL_RET_VALUE_SERVICE_UNKNWON              0xFFFFFFFF
  19
  20 /* HAL API error codes */
  21 #define  API_HAL_RET_VALUE_OK           0x00
  22 #define  API_HAL_RET_VALUE_FAIL         0x01
  23
  24 /* Secure HAL API flags */
  25 #define FLAG_START_CRITICAL             0x4
  26 #define FLAG_IRQFIQ_MASK                0x3
  27 #define FLAG_IRQ_ENABLE                 0x2
  28 #define FLAG_FIQ_ENABLE                 0x1
  29 #define NO_FLAG                         0x0
  30
  31 /* Maximum Secure memory storage size */
  32 #define OMAP_SECURE_RAM_STORAGE (88 * SZ_1K)
  33
  34 /* Secure low power HAL API index */
  35 #define OMAP4_HAL_SAVESECURERAM_INDEX   0x1a
  36 #define OMAP4_HAL_SAVEHW_INDEX          0x1b
  37 #define OMAP4_HAL_SAVEALL_INDEX         0x1c
  38 #define OMAP4_HAL_SAVEGIC_INDEX         0x1d
  39
  40 /* Secure Monitor mode APIs */
  41 #define OMAP4_MON_SCU_PWR_INDEX         0x108
  42 #define OMAP4_MON_L2X0_DBG_CTRL_INDEX   0x100
  43 #define OMAP4_MON_L2X0_CTRL_INDEX       0x102
  44 #define OMAP4_MON_L2X0_AUXCTRL_INDEX    0x109
  45 #define OMAP4_MON_L2X0_PREFETCH_INDEX   0x113
  46
  47 #define OMAP5_DRA7_MON_SET_CNTFRQ_INDEX 0x109
  48
  49 /* Secure PPA(Primary Protected Application) APIs */
  50 #define OMAP4_PPA_L2_POR_INDEX          0x23
  51 #define OMAP4_PPA_CPU_ACTRL_SMP_INDEX   0x25
  52
  53 /* Secure RX-51 PPA (Primary Protected Application) APIs */
  54 #define RX51_PPA_HWRNG                  29
  55 #define RX51_PPA_L2_INVAL               40
  56 #define RX51_PPA_WRITE_ACR              42
  57
  58 #ifndef __ASSEMBLER__
  59
  60 extern u32 omap_secure_dispatcher(u32 idx, u32 flag, u32 nargs,
  61                                 u32 arg1, u32 arg2, u32 arg3, u32 arg4);
  62 extern u32 omap_smc2(u32 id, u32 falg, u32 pargs);
  63 extern u32 omap_smc3(u32 id, u32 process, u32 flag, u32 pargs);
  64 extern phys_addr_t omap_secure_ram_mempool_base(void);
  65 extern int omap_secure_ram_reserve_memblock(void);
  66
  67 extern u32 rx51_secure_dispatcher(u32 idx, u32 process, u32 flag, u32 nargs,
  68                                   u32 arg1, u32 arg2, u32 arg3, u32 arg4);
  69 extern u32 rx51_secure_update_aux_cr(u32 set_bits, u32 clear_bits);
  70 extern u32 rx51_secure_rng_call(u32 ptr, u32 count, u32 flag);
  71
  72 #ifdef CONFIG_OMAP4_ERRATA_I688
  73 extern int omap_barrier_reserve_memblock(void);
  74 #else
  75 static inline void omap_barrier_reserve_memblock(void)
  76 { }
  77 #endif
  78
  79 #ifdef CONFIG_SOC_HAS_REALTIME_COUNTER
  80 void set_cntfreq(void);
  81 #else
  82 static inline void set_cntfreq(void)
  83 {
  84 }
  85 #endif
  86
  87 #endif /* __ASSEMBLER__ */
  88 #endif /* OMAP_ARCH_OMAP_SECURE_H */