/* SPDX-License-Identifier: GPL-2.0-only */
/*
* omap-secure.h: OMAP Secure infrastructure header.
*
* Copyright (C) 2011 Texas Instruments, Inc.
* Santosh Shilimkar <[email protected]>
* Copyright (C) 2012 Ivaylo Dimitrov <[email protected]>
* Copyright (C) 2013 Pali Rohár <[email protected]>
*/
#ifndef OMAP_ARCH_OMAP_SECURE_H
#define OMAP_ARCH_OMAP_SECURE_H
#include <linux/types.h>
/* Monitor error code */
#define API_HAL_RET_VALUE_NS2S_CONVERSION_ERROR 0xFFFFFFFE
#define API_HAL_RET_VALUE_SERVICE_UNKNWON 0xFFFFFFFF
/* HAL API error codes */
#define API_HAL_RET_VALUE_OK 0x00
#define API_HAL_RET_VALUE_FAIL 0x01
/* Secure HAL API flags */
#define FLAG_START_CRITICAL 0x4
#define FLAG_IRQFIQ_MASK 0x3
#define FLAG_IRQ_ENABLE 0x2
#define FLAG_FIQ_ENABLE 0x1
#define NO_FLAG 0x0
/* Maximum Secure memory storage size */
#define OMAP_SECURE_RAM_STORAGE (88 * SZ_1K)
#define OMAP3_SAVE_SECURE_RAM_SZ 0x803F
/* Secure low power HAL API index */
#define OMAP4_HAL_SAVESECURERAM_INDEX 0x1a
#define OMAP4_HAL_SAVEHW_INDEX 0x1b
#define OMAP4_HAL_SAVEALL_INDEX 0x1c
#define OMAP4_HAL_SAVEGIC_INDEX 0x1d
/* Secure Monitor mode APIs */
#define OMAP4_MON_SCU_PWR_INDEX 0x108
#define OMAP4_MON_L2X0_DBG_CTRL_INDEX 0x100
#define OMAP4_MON_L2X0_CTRL_INDEX 0x102
#define OMAP4_MON_L2X0_AUXCTRL_INDEX 0x109
#define OMAP4_MON_L2X0_PREFETCH_INDEX 0x113
#define OMAP5_DRA7_MON_SET_CNTFRQ_INDEX 0x109
#define OMAP5_MON_AMBA_IF_INDEX 0x108
#define OMAP5_DRA7_MON_SET_ACR_INDEX 0x107
/* Secure PPA(Primary Protected Application) APIs */
#define OMAP4_PPA_SERVICE_0 0x21
#define OMAP4_PPA_L2_POR_INDEX 0x23
#define OMAP4_PPA_CPU_ACTRL_SMP_INDEX 0x25
#define AM43xx_PPA_SVC_PM_SUSPEND 0x71
#define AM43xx_PPA_SVC_PM_RESUME 0x72
/* Secure RX-51 PPA (Primary Protected Application) APIs */
#define RX51_PPA_HWRNG 29
#define RX51_PPA_L2_INVAL 40
#define RX51_PPA_WRITE_ACR 42
#ifndef __ASSEMBLER__
extern u32 omap_secure_dispatcher(u32 idx, u32 flag, u32 nargs,
u32 arg1, u32 arg2, u32 arg3, u32 arg4);
extern void omap_smccc_smc(u32 fn, u32 arg);
extern void omap_smc1(u32 fn, u32 arg);
extern u32 omap_smc2(u32 id, u32 falg, u32 pargs);
extern u32 omap_smc3(u32 id, u32 process, u32 flag, u32 pargs);
extern int omap_secure_ram_reserve_memblock(void);
extern u32 save_secure_ram_context(u32 args_pa);
extern u32 omap3_save_secure_ram(void *save_regs, int size);
extern u32 rx51_secure_update_aux_cr(u32 set_bits, u32 clear_bits);
extern u32 rx51_secure_rng_call(u32 ptr, u32 count, u32 flag);
extern bool optee_available;
void omap_secure_init(void);
#ifdef CONFIG_SOC_HAS_REALTIME_COUNTER
void set_cntfreq(void);
#else
static inline void set_cntfreq(void)
{
}
#endif
#endif /* __ASSEMBLER__ */
#endif /* OMAP_ARCH_OMAP_SECURE_H */
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