1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * Copyright (C) 2016 Michal Simek <michals@xilinx.com>
4  * Copyright (C) 2015 Nathan Rossi <nathan@nathanrossi.com>
5  *
6  * The following Boot Header format/structures and values are defined in the
7  * following documents:
8  *   * ug1085 ZynqMP TRM doc v1.4 (Chapter 11, Table 11-4)
9  *   * ug1137 ZynqMP Software Developer Guide v6.0 (Chapter 16)
10  */
11 
12 #ifndef _ZYNQMPIMAGE_H_
13 #define _ZYNQMPIMAGE_H_
14 
15 #include <stdint.h>
16 
17 #define HEADER_INTERRUPT_DEFAULT (cpu_to_le32(0xeafffffe))
18 #define HEADER_REGINIT_NULL (cpu_to_le32(0xffffffff))
19 #define HEADER_WIDTHDETECTION (cpu_to_le32(0xaa995566))
20 #define HEADER_IMAGEIDENTIFIER (cpu_to_le32(0x584c4e58))
21 #define HEADER_CPU_SELECT_MASK		(0x3 << 10)
22 #define HEADER_CPU_SELECT_R5_SINGLE	(0x0 << 10)
23 #define HEADER_CPU_SELECT_A53_32BIT	(0x1 << 10)
24 #define HEADER_CPU_SELECT_A53_64BIT	(0x2 << 10)
25 #define HEADER_CPU_SELECT_R5_DUAL	(0x3 << 10)
26 
27 enum {
28 	ENCRYPTION_EFUSE = 0xa5c3c5a3,
29 	ENCRYPTION_OEFUSE = 0xa5c3c5a7,
30 	ENCRYPTION_BBRAM = 0x3a5c3c5a,
31 	ENCRYPTION_OBBRAM = 0xa35c7ca5,
32 	ENCRYPTION_NONE = 0x0,
33 };
34 
35 struct zynqmp_reginit {
36 	uint32_t address;
37 	uint32_t data;
38 };
39 
40 #define HEADER_INTERRUPT_VECTORS	8
41 #define HEADER_REGINITS			256
42 
43 struct image_header_table {
44 	uint32_t version;		  /* 0x00 */
45 	uint32_t nr_parts;		  /* 0x04 */
46 	uint32_t partition_header_offset; /* 0x08, divided by 4 */
47 	uint32_t image_header_offset;	  /* 0x0c, divided by 4 */
48 	uint32_t auth_certificate_offset; /* 0x10 */
49 	uint32_t boot_device;		  /* 0x14 */
50 	uint32_t __reserved1[9];	  /* 0x18 - 0x38 */
51 	uint32_t checksum;		  /* 0x3c */
52 };
53 
54 #define PART_ATTR_VEC_LOCATION		0x800000
55 #define PART_ATTR_BS_BLOCK_SIZE_MASK	0x700000
56 #define     PART_ATTR_BS_BLOCK_SIZE_DEFAULT	0x000000
57 #define     PART_ATTR_BS_BLOCK_SIZE_8MB		0x400000
58 #define PART_ATTR_BIG_ENDIAN		0x040000
59 #define PART_ATTR_PART_OWNER_MASK	0x030000
60 #define     PART_ATTR_PART_OWNER_FSBL		0x000000
61 #define     PART_ATTR_PART_OWNER_UBOOT		0x010000
62 #define PART_ATTR_RSA_SIG		0x008000
63 #define PART_ATTR_CHECKSUM_MASK		0x007000
64 #define    PART_ATTR_CHECKSUM_NONE		0x000000
65 #define    PART_ATTR_CHECKSUM_MD5		0x001000
66 #define    PART_ATTR_CHECKSUM_SHA2		0x002000
67 #define    PART_ATTR_CHECKSUM_SHA3		0x003000
68 #define PART_ATTR_DEST_CPU_SHIFT	8
69 #define PART_ATTR_DEST_CPU_MASK		0x000f00
70 #define    PART_ATTR_DEST_CPU_NONE		0x000000
71 #define    PART_ATTR_DEST_CPU_A53_0		0x000100
72 #define    PART_ATTR_DEST_CPU_A53_1		0x000200
73 #define    PART_ATTR_DEST_CPU_A53_2		0x000300
74 #define    PART_ATTR_DEST_CPU_A53_3		0x000400
75 #define    PART_ATTR_DEST_CPU_R5_0		0x000500
76 #define    PART_ATTR_DEST_CPU_R5_1		0x000600
77 #define    PART_ATTR_DEST_CPU_R5_L		0x000700
78 #define    PART_ATTR_DEST_CPU_PMU		0x000800
79 #define PART_ATTR_ENCRYPTED		0x000080
80 #define PART_ATTR_DEST_DEVICE_SHIFT	4
81 #define PART_ATTR_DEST_DEVICE_MASK	0x000070
82 #define    PART_ATTR_DEST_DEVICE_NONE		0x000000
83 #define    PART_ATTR_DEST_DEVICE_PS		0x000010
84 #define    PART_ATTR_DEST_DEVICE_PL		0x000020
85 #define    PART_ATTR_DEST_DEVICE_PMU		0x000030
86 #define    PART_ATTR_DEST_DEVICE_XIP		0x000040
87 #define PART_ATTR_A53_EXEC_AARCH32	0x000008
88 #define PART_ATTR_TARGET_EL_SHIFT	1
89 #define PART_ATTR_TARGET_EL_MASK	0x000006
90 #define PART_ATTR_TZ_SECURE		0x000001
91 
92 static const char *dest_cpus[0x10] = {
93 	"none", "a5x-0", "a5x-1", "a5x-2", "a5x-3", "r5-0", "r5-1",
94 	"r5-lockstep", "pmu", "unknown", "unknown", "unknown", "unknown",
95 	"unknown", "unknown", "unknown"
96 };
97 
98 struct partition_header {
99 	uint32_t len_enc;		  /* 0x00, divided by 4 */
100 	uint32_t len_unenc;		  /* 0x04, divided by 4 */
101 	uint32_t len;			  /* 0x08, divided by 4 */
102 	uint32_t next_partition_offset;   /* 0x0c */
103 	uint64_t entry_point;		  /* 0x10 */
104 	uint64_t load_address;		  /* 0x18 */
105 	uint32_t offset;		  /* 0x20, divided by 4 */
106 	uint32_t attributes;		  /* 0x24 */
107 	uint32_t __reserved1;		  /* 0x28 */
108 	uint32_t checksum_offset;	  /* 0x2c, divided by 4 */
109 	uint32_t __reserved2;		  /* 0x30 */
110 	uint32_t auth_certificate_offset; /* 0x34 */
111 	uint32_t __reserved3;		  /* 0x38 */
112 	uint32_t checksum;		  /* 0x3c */
113 };
114 
115 struct zynqmp_header {
116 	uint32_t interrupt_vectors[HEADER_INTERRUPT_VECTORS]; /* 0x0 */
117 	uint32_t width_detection; /* 0x20 */
118 	uint32_t image_identifier; /* 0x24 */
119 	uint32_t encryption; /* 0x28 */
120 	uint32_t image_load; /* 0x2c */
121 	uint32_t image_offset; /* 0x30 */
122 	uint32_t pfw_image_length; /* 0x34 */
123 	uint32_t total_pfw_image_length; /* 0x38 */
124 	uint32_t image_size; /* 0x3c */
125 	uint32_t image_stored_size; /* 0x40 */
126 	uint32_t image_attributes; /* 0x44 */
127 	uint32_t checksum; /* 0x48 */
128 	uint32_t __reserved1[19]; /* 0x4c */
129 	uint32_t image_header_table_offset; /* 0x98 */
130 	uint32_t __reserved2[7]; /* 0x9c */
131 	struct zynqmp_reginit register_init[HEADER_REGINITS]; /* 0xb8 */
132 	uint32_t __reserved4[66]; /* 0x9c0 */
133 };
134 
135 void zynqmpimage_default_header(struct zynqmp_header *ptr);
136 void zynqmpimage_print_header(const void *ptr);
137 
138 #endif /* _ZYNQMPIMAGE_H_ */
139