xref: /linux/arch/arm/mach-omap2/omap-secure.h (revision 44f57d78)
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.rohar@gmail.com>
9  */
10 #ifndef OMAP_ARCH_OMAP_SECURE_H
11 #define OMAP_ARCH_OMAP_SECURE_H
12 
13 /* Monitor error code */
14 #define  API_HAL_RET_VALUE_NS2S_CONVERSION_ERROR	0xFFFFFFFE
15 #define  API_HAL_RET_VALUE_SERVICE_UNKNWON		0xFFFFFFFF
16 
17 /* HAL API error codes */
18 #define  API_HAL_RET_VALUE_OK		0x00
19 #define  API_HAL_RET_VALUE_FAIL		0x01
20 
21 /* Secure HAL API flags */
22 #define FLAG_START_CRITICAL		0x4
23 #define FLAG_IRQFIQ_MASK		0x3
24 #define FLAG_IRQ_ENABLE			0x2
25 #define FLAG_FIQ_ENABLE			0x1
26 #define NO_FLAG				0x0
27 
28 /* Maximum Secure memory storage size */
29 #define OMAP_SECURE_RAM_STORAGE	(88 * SZ_1K)
30 
31 #define OMAP3_SAVE_SECURE_RAM_SZ	0x803F
32 
33 /* Secure low power HAL API index */
34 #define OMAP4_HAL_SAVESECURERAM_INDEX	0x1a
35 #define OMAP4_HAL_SAVEHW_INDEX		0x1b
36 #define OMAP4_HAL_SAVEALL_INDEX		0x1c
37 #define OMAP4_HAL_SAVEGIC_INDEX		0x1d
38 
39 /* Secure Monitor mode APIs */
40 #define OMAP4_MON_SCU_PWR_INDEX		0x108
41 #define OMAP4_MON_L2X0_DBG_CTRL_INDEX	0x100
42 #define OMAP4_MON_L2X0_CTRL_INDEX	0x102
43 #define OMAP4_MON_L2X0_AUXCTRL_INDEX	0x109
44 #define OMAP4_MON_L2X0_PREFETCH_INDEX	0x113
45 
46 #define OMAP5_DRA7_MON_SET_CNTFRQ_INDEX	0x109
47 #define OMAP5_MON_AMBA_IF_INDEX		0x108
48 #define OMAP5_DRA7_MON_SET_ACR_INDEX	0x107
49 
50 /* Secure PPA(Primary Protected Application) APIs */
51 #define OMAP4_PPA_L2_POR_INDEX		0x23
52 #define OMAP4_PPA_CPU_ACTRL_SMP_INDEX	0x25
53 
54 /* Secure RX-51 PPA (Primary Protected Application) APIs */
55 #define RX51_PPA_HWRNG			29
56 #define RX51_PPA_L2_INVAL		40
57 #define RX51_PPA_WRITE_ACR		42
58 
59 #ifndef __ASSEMBLER__
60 
61 extern u32 omap_secure_dispatcher(u32 idx, u32 flag, u32 nargs,
62 				u32 arg1, u32 arg2, u32 arg3, u32 arg4);
63 extern u32 omap_smc2(u32 id, u32 falg, u32 pargs);
64 extern u32 omap_smc3(u32 id, u32 process, u32 flag, u32 pargs);
65 extern phys_addr_t omap_secure_ram_mempool_base(void);
66 extern int omap_secure_ram_reserve_memblock(void);
67 extern u32 save_secure_ram_context(u32 args_pa);
68 extern u32 omap3_save_secure_ram(void __iomem *save_regs, int size);
69 
70 extern u32 rx51_secure_dispatcher(u32 idx, u32 process, u32 flag, u32 nargs,
71 				  u32 arg1, u32 arg2, u32 arg3, u32 arg4);
72 extern u32 rx51_secure_update_aux_cr(u32 set_bits, u32 clear_bits);
73 extern u32 rx51_secure_rng_call(u32 ptr, u32 count, u32 flag);
74 
75 #ifdef CONFIG_SOC_HAS_REALTIME_COUNTER
76 void set_cntfreq(void);
77 #else
78 static inline void set_cntfreq(void)
79 {
80 }
81 #endif
82 
83 #endif /* __ASSEMBLER__ */
84 #endif /* OMAP_ARCH_OMAP_SECURE_H */
85