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

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * omap-secure.h: OMAP Secure infrastructure header.
   4  *
   5  * Copyright (C) 2011 Texas Instruments, Inc.
   6  *      Santosh Shilimkar <santosh.shilimkar@ti.com>
   7  * Copyright (C) 2012 Ivaylo Dimitrov <freemangordon@abv.bg>
   8  * Copyright (C) 2013 Pali Rohár <pali@kernel.org>
   9  */
  10 #ifndef OMAP_ARCH_OMAP_SECURE_H
  11 #define OMAP_ARCH_OMAP_SECURE_H
  12
  13 #include <linux/types.h>
  14
  15 /* Monitor error code */
  16 #define  API_HAL_RET_VALUE_NS2S_CONVERSION_ERROR        0xFFFFFFFE
  17 #define  API_HAL_RET_VALUE_SERVICE_UNKNWON              0xFFFFFFFF
  18
  19 /* HAL API error codes */
  20 #define  API_HAL_RET_VALUE_OK           0x00
  21 #define  API_HAL_RET_VALUE_FAIL         0x01
  22
  23 /* Secure HAL API flags */
  24 #define FLAG_START_CRITICAL             0x4
  25 #define FLAG_IRQFIQ_MASK                0x3
  26 #define FLAG_IRQ_ENABLE                 0x2
  27 #define FLAG_FIQ_ENABLE                 0x1
  28 #define NO_FLAG                         0x0
  29
  30 /* Maximum Secure memory storage size */
  31 #define OMAP_SECURE_RAM_STORAGE (88 * SZ_1K)
  32
  33 #define OMAP3_SAVE_SECURE_RAM_SZ        0x803F
  34
  35 /* Secure low power HAL API index */
  36 #define OMAP4_HAL_SAVESECURERAM_INDEX   0x1a
  37 #define OMAP4_HAL_SAVEHW_INDEX          0x1b
  38 #define OMAP4_HAL_SAVEALL_INDEX         0x1c
  39 #define OMAP4_HAL_SAVEGIC_INDEX         0x1d
  40
  41 /* Secure Monitor mode APIs */
  42 #define OMAP4_MON_SCU_PWR_INDEX         0x108
  43 #define OMAP4_MON_L2X0_DBG_CTRL_INDEX   0x100
  44 #define OMAP4_MON_L2X0_CTRL_INDEX       0x102
  45 #define OMAP4_MON_L2X0_AUXCTRL_INDEX    0x109
  46 #define OMAP4_MON_L2X0_PREFETCH_INDEX   0x113
  47
  48 #define OMAP5_DRA7_MON_SET_CNTFRQ_INDEX 0x109
  49 #define OMAP5_MON_AMBA_IF_INDEX         0x108
  50 #define OMAP5_DRA7_MON_SET_ACR_INDEX    0x107
  51
  52 /* Secure PPA(Primary Protected Application) APIs */
  53 #define OMAP4_PPA_L2_POR_INDEX          0x23
  54 #define OMAP4_PPA_CPU_ACTRL_SMP_INDEX   0x25
  55
  56 #define AM43xx_PPA_SVC_PM_SUSPEND       0x71
  57 #define AM43xx_PPA_SVC_PM_RESUME        0x72
  58
  59 /* Secure RX-51 PPA (Primary Protected Application) APIs */
  60 #define RX51_PPA_HWRNG                  29
  61 #define RX51_PPA_L2_INVAL               40
  62 #define RX51_PPA_WRITE_ACR              42
  63
  64 #ifndef __ASSEMBLER__
  65
  66 extern u32 omap_secure_dispatcher(u32 idx, u32 flag, u32 nargs,
  67                                 u32 arg1, u32 arg2, u32 arg3, u32 arg4);
  68 extern void omap_smccc_smc(u32 fn, u32 arg);
  69 extern void omap_smc1(u32 fn, u32 arg);
  70 extern u32 omap_smc2(u32 id, u32 falg, u32 pargs);
  71 extern u32 omap_smc3(u32 id, u32 process, u32 flag, u32 pargs);
  72 extern phys_addr_t omap_secure_ram_mempool_base(void);
  73 extern int omap_secure_ram_reserve_memblock(void);
  74 extern u32 save_secure_ram_context(u32 args_pa);
  75 extern u32 omap3_save_secure_ram(void __iomem *save_regs, int size);
  76
  77 extern u32 rx51_secure_dispatcher(u32 idx, u32 process, u32 flag, u32 nargs,
  78                                   u32 arg1, u32 arg2, u32 arg3, u32 arg4);
  79 extern u32 rx51_secure_update_aux_cr(u32 set_bits, u32 clear_bits);
  80 extern u32 rx51_secure_rng_call(u32 ptr, u32 count, u32 flag);
  81
  82 extern bool optee_available;
  83 void omap_secure_init(void);
  84
  85 #ifdef CONFIG_SOC_HAS_REALTIME_COUNTER
  86 void set_cntfreq(void);
  87 #else
  88 static inline void set_cntfreq(void)
  89 {
  90 }
  91 #endif
  92
  93 #endif /* __ASSEMBLER__ */
  94 #endif /* OMAP_ARCH_OMAP_SECURE_H */