xref: /openbmc/u-boot/arch/arm/include/asm/mach-imx/hab.h (revision dca47409)
1 /*
2  * Copyright (C) 2012-2015 Freescale Semiconductor, Inc. All Rights Reserved.
3  *
4  * SPDX-License-Identifier:    GPL-2.0+
5  *
6 */
7 
8 #ifndef __SECURE_MX6Q_H__
9 #define __SECURE_MX6Q_H__
10 
11 #include <linux/types.h>
12 
13 /* -------- start of HAB API updates ------------*/
14 /* The following are taken from HAB4 SIS */
15 
16 /* Status definitions */
17 enum hab_status {
18 	HAB_STS_ANY = 0x00,
19 	HAB_FAILURE = 0x33,
20 	HAB_WARNING = 0x69,
21 	HAB_SUCCESS = 0xf0
22 };
23 
24 /* Security Configuration definitions */
25 enum hab_config {
26 	HAB_CFG_RETURN = 0x33,	/* < Field Return IC */
27 	HAB_CFG_OPEN = 0xf0,	/* < Non-secure IC */
28 	HAB_CFG_CLOSED = 0xcc	/* < Secure IC */
29 };
30 
31 /* State definitions */
32 enum hab_state {
33 	HAB_STATE_INITIAL = 0x33,	/* Initialising state (transitory) */
34 	HAB_STATE_CHECK = 0x55,		/* Check state (non-secure) */
35 	HAB_STATE_NONSECURE = 0x66,	/* Non-secure state */
36 	HAB_STATE_TRUSTED = 0x99,	/* Trusted state */
37 	HAB_STATE_SECURE = 0xaa,	/* Secure state */
38 	HAB_STATE_FAIL_SOFT = 0xcc, /* Soft fail state */
39 	HAB_STATE_FAIL_HARD = 0xff, /* Hard fail state (terminal) */
40 	HAB_STATE_NONE = 0xf0,		/* No security state machine */
41 	HAB_STATE_MAX
42 };
43 
44 enum hab_reason {
45 	HAB_RSN_ANY = 0x00,			/* Match any reason */
46 	HAB_ENG_FAIL = 0x30,		/* Engine failure */
47 	HAB_INV_ADDRESS = 0x22,		/* Invalid address: access denied */
48 	HAB_INV_ASSERTION = 0x0c,   /* Invalid assertion */
49 	HAB_INV_CALL = 0x28,		/* Function called out of sequence */
50 	HAB_INV_CERTIFICATE = 0x21, /* Invalid certificate */
51 	HAB_INV_COMMAND = 0x06,     /* Invalid command: command malformed */
52 	HAB_INV_CSF = 0x11,			/* Invalid csf */
53 	HAB_INV_DCD = 0x27,			/* Invalid dcd */
54 	HAB_INV_INDEX = 0x0f,		/* Invalid index: access denied */
55 	HAB_INV_IVT = 0x05,			/* Invalid ivt */
56 	HAB_INV_KEY = 0x1d,			/* Invalid key */
57 	HAB_INV_RETURN = 0x1e,		/* Failed callback function */
58 	HAB_INV_SIGNATURE = 0x18,   /* Invalid signature */
59 	HAB_INV_SIZE = 0x17,		/* Invalid data size */
60 	HAB_MEM_FAIL = 0x2e,		/* Memory failure */
61 	HAB_OVR_COUNT = 0x2b,		/* Expired poll count */
62 	HAB_OVR_STORAGE = 0x2d,		/* Exhausted storage region */
63 	HAB_UNS_ALGORITHM = 0x12,   /* Unsupported algorithm */
64 	HAB_UNS_COMMAND = 0x03,		/* Unsupported command */
65 	HAB_UNS_ENGINE = 0x0a,		/* Unsupported engine */
66 	HAB_UNS_ITEM = 0x24,		/* Unsupported configuration item */
67 	HAB_UNS_KEY = 0x1b,	        /* Unsupported key type/parameters */
68 	HAB_UNS_PROTOCOL = 0x14,	/* Unsupported protocol */
69 	HAB_UNS_STATE = 0x09,		/* Unsuitable state */
70 	HAB_RSN_MAX
71 };
72 
73 enum hab_context {
74 	HAB_CTX_ANY = 0x00,			/* Match any context */
75 	HAB_CTX_FAB = 0xff,		    /* Event logged in hab_fab_test() */
76 	HAB_CTX_ENTRY = 0xe1,		/* Event logged in hab_rvt.entry() */
77 	HAB_CTX_TARGET = 0x33,	    /* Event logged in hab_rvt.check_target() */
78 	HAB_CTX_AUTHENTICATE = 0x0a,/* Logged in hab_rvt.authenticate_image() */
79 	HAB_CTX_DCD = 0xdd,         /* Event logged in hab_rvt.run_dcd() */
80 	HAB_CTX_CSF = 0xcf,         /* Event logged in hab_rvt.run_csf() */
81 	HAB_CTX_COMMAND = 0xc0,     /* Event logged executing csf/dcd command */
82 	HAB_CTX_AUT_DAT = 0xdb,		/* Authenticated data block */
83 	HAB_CTX_ASSERT = 0xa0,		/* Event logged in hab_rvt.assert() */
84 	HAB_CTX_EXIT = 0xee,		/* Event logged in hab_rvt.exit() */
85 	HAB_CTX_MAX
86 };
87 
88 struct imx_sec_config_fuse_t {
89 	int bank;
90 	int word;
91 };
92 
93 #if defined(CONFIG_SECURE_BOOT)
94 extern struct imx_sec_config_fuse_t const imx_sec_config_fuse;
95 #endif
96 
97 /*Function prototype description*/
98 typedef enum hab_status hab_rvt_report_event_t(enum hab_status, uint32_t,
99 		uint8_t* , size_t*);
100 typedef enum hab_status hab_rvt_report_status_t(enum hab_config *,
101 		enum hab_state *);
102 typedef enum hab_status hab_loader_callback_f_t(void**, size_t*, const void*);
103 typedef enum hab_status hab_rvt_entry_t(void);
104 typedef enum hab_status hab_rvt_exit_t(void);
105 typedef void *hab_rvt_authenticate_image_t(uint8_t, ptrdiff_t,
106 		void **, size_t *, hab_loader_callback_f_t);
107 typedef void hapi_clock_init_t(void);
108 
109 #define HAB_ENG_ANY		0x00   /* Select first compatible engine */
110 #define HAB_ENG_SCC		0x03   /* Security controller */
111 #define HAB_ENG_RTIC	0x05   /* Run-time integrity checker */
112 #define HAB_ENG_SAHARA  0x06   /* Crypto accelerator */
113 #define HAB_ENG_CSU		0x0a   /* Central Security Unit */
114 #define HAB_ENG_SRTC	0x0c   /* Secure clock */
115 #define HAB_ENG_DCP		0x1b   /* Data Co-Processor */
116 #define HAB_ENG_CAAM	0x1d   /* CAAM */
117 #define HAB_ENG_SNVS	0x1e   /* Secure Non-Volatile Storage */
118 #define HAB_ENG_OCOTP	0x21   /* Fuse controller */
119 #define HAB_ENG_DTCP	0x22   /* DTCP co-processor */
120 #define HAB_ENG_ROM		0x36   /* Protected ROM area */
121 #define HAB_ENG_HDCP	0x24   /* HDCP co-processor */
122 #define HAB_ENG_RTL		0x77   /* RTL simulation engine */
123 #define HAB_ENG_SW		0xff   /* Software engine */
124 
125 #ifdef CONFIG_ROM_UNIFIED_SECTIONS
126 #define HAB_RVT_BASE			0x00000100
127 #else
128 #define HAB_RVT_BASE			0x00000094
129 #endif
130 
131 #define HAB_RVT_ENTRY			(*(uint32_t *)(HAB_RVT_BASE + 0x04))
132 #define HAB_RVT_EXIT			(*(uint32_t *)(HAB_RVT_BASE + 0x08))
133 #define HAB_RVT_AUTHENTICATE_IMAGE	(*(uint32_t *)(HAB_RVT_BASE + 0x10))
134 #define HAB_RVT_REPORT_EVENT		(*(uint32_t *)(HAB_RVT_BASE + 0x20))
135 #define HAB_RVT_REPORT_STATUS		(*(uint32_t *)(HAB_RVT_BASE + 0x24))
136 
137 #define HAB_RVT_REPORT_EVENT_NEW               (*(uint32_t *)0x000000B8)
138 #define HAB_RVT_REPORT_STATUS_NEW              (*(uint32_t *)0x000000BC)
139 #define HAB_RVT_AUTHENTICATE_IMAGE_NEW         (*(uint32_t *)0x000000A8)
140 #define HAB_RVT_ENTRY_NEW                      (*(uint32_t *)0x0000009C)
141 #define HAB_RVT_EXIT_NEW                       (*(uint32_t *)0x000000A0)
142 
143 #define HAB_CID_ROM 0 /**< ROM Caller ID */
144 #define HAB_CID_UBOOT 1 /**< UBOOT Caller ID*/
145 
146 /* ----------- end of HAB API updates ------------*/
147 
148 uint32_t authenticate_image(uint32_t ddr_start, uint32_t image_size);
149 
150 #endif
151