LXR linux/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_SERVICE_0             0x21
  54#define OMAP4_PPA_L2_POR_INDEX          0x23
  55#define OMAP4_PPA_CPU_ACTRL_SMP_INDEX   0x25
  56
  57#define AM43xx_PPA_SVC_PM_SUSPEND       0x71
  58#define AM43xx_PPA_SVC_PM_RESUME        0x72
  59
  60/* Secure RX-51 PPA (Primary Protected Application) APIs */
  61#define RX51_PPA_HWRNG                  29
  62#define RX51_PPA_L2_INVAL               40
  63#define RX51_PPA_WRITE_ACR              42
  64
  65#ifndef __ASSEMBLER__
  66
  67extern u32 omap_secure_dispatcher(u32 idx, u32 flag, u32 nargs,
  68                                u32 arg1, u32 arg2, u32 arg3, u32 arg4);
  69extern void omap_smccc_smc(u32 fn, u32 arg);
  70extern void omap_smc1(u32 fn, u32 arg);
  71extern u32 omap_smc2(u32 id, u32 falg, u32 pargs);
  72extern u32 omap_smc3(u32 id, u32 process, u32 flag, u32 pargs);
  73extern phys_addr_t omap_secure_ram_mempool_base(void);
  74extern int omap_secure_ram_reserve_memblock(void);
  75extern u32 save_secure_ram_context(u32 args_pa);
  76extern u32 omap3_save_secure_ram(void __iomem *save_regs, int size);
  77
  78extern u32 rx51_secure_dispatcher(u32 idx, u32 process, u32 flag, u32 nargs,
  79                                  u32 arg1, u32 arg2, u32 arg3, u32 arg4);
  80extern u32 rx51_secure_update_aux_cr(u32 set_bits, u32 clear_bits);
  81extern u32 rx51_secure_rng_call(u32 ptr, u32 count, u32 flag);
  82
  83extern bool optee_available;
  84void omap_secure_init(void);
  85
  86#ifdef CONFIG_SOC_HAS_REALTIME_COUNTER
  87void set_cntfreq(void);
  88#else
  89static inline void set_cntfreq(void)
  90{
  91}
  92#endif
  93
  94#endif /* __ASSEMBLER__ */
  95#endif /* OMAP_ARCH_OMAP_SECURE_H */
  96