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 #define OMAP3_SAVE_SECURE_RAM_SZ 0x803F
35
36 /* Secure low power HAL API index */
37 #define OMAP4_HAL_SAVESECURERAM_INDEX 0x1a
38 #define OMAP4_HAL_SAVEHW_INDEX 0x1b
39 #define OMAP4_HAL_SAVEALL_INDEX 0x1c
40 #define OMAP4_HAL_SAVEGIC_INDEX 0x1d
41
42 /* Secure Monitor mode APIs */
43 #define OMAP4_MON_SCU_PWR_INDEX 0x108
44 #define OMAP4_MON_L2X0_DBG_CTRL_INDEX 0x100
45 #define OMAP4_MON_L2X0_CTRL_INDEX 0x102
46 #define OMAP4_MON_L2X0_AUXCTRL_INDEX 0x109
47 #define OMAP4_MON_L2X0_PREFETCH_INDEX 0x113
48
49 #define OMAP5_DRA7_MON_SET_CNTFRQ_INDEX 0x109
50 #define OMAP5_MON_AMBA_IF_INDEX 0x108
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 /* Secure RX-51 PPA (Primary Protected Application) APIs */
57 #define RX51_PPA_HWRNG 29
58 #define RX51_PPA_L2_INVAL 40
59 #define RX51_PPA_WRITE_ACR 42
60
61 #ifndef __ASSEMBLER__
62
63 extern u32 omap_secure_dispatcher(u32 idx, u32 flag, u32 nargs,
64 u32 arg1, u32 arg2, u32 arg3, u32 arg4);
65 extern u32 omap_smc2(u32 id, u32 falg, u32 pargs);
66 extern u32 omap_smc3(u32 id, u32 process, u32 flag, u32 pargs);
67 extern phys_addr_t omap_secure_ram_mempool_base(void);
68 extern int omap_secure_ram_reserve_memblock(void);
69 extern u32 save_secure_ram_context(u32 args_pa);
70 extern u32 omap3_save_secure_ram(void __iomem *save_regs, int size);
71
72 extern u32 rx51_secure_dispatcher(u32 idx, u32 process, u32 flag, u32 nargs,
73 u32 arg1, u32 arg2, u32 arg3, u32 arg4);
74 extern u32 rx51_secure_update_aux_cr(u32 set_bits, u32 clear_bits);
75 extern u32 rx51_secure_rng_call(u32 ptr, u32 count, u32 flag);
76
77 #ifdef CONFIG_SOC_HAS_REALTIME_COUNTER
78 void set_cntfreq(void);
79 #else
set_cntfreq(void)80 static inline void set_cntfreq(void)
81 {
82 }
83 #endif
84
85 #endif /* __ASSEMBLER__ */
86 #endif /* OMAP_ARCH_OMAP_SECURE_H */
87