1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
|
/***********************license start***************
* Copyright (c) 2003-2010 Cavium Networks (support@cavium.com). All rights
* reserved.
*
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of Cavium Networks nor the names of
* its contributors may be used to endorse or promote products
* derived from this software without specific prior written
* permission.
* This Software, including technical data, may be subject to U.S. export control
* laws, including the U.S. Export Administration Act and its associated
* regulations, and may be subject to export or import regulations in other
* countries.
* TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
* AND WITH ALL FAULTS AND CAVIUM NETWORKS MAKES NO PROMISES, REPRESENTATIONS OR
* WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT TO
* THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY REPRESENTATION OR
* DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT DEFECTS, AND CAVIUM
* SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES OF TITLE,
* MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR PURPOSE, LACK OF
* VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET POSSESSION OR
* CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK ARISING OUT OF USE OR
* PERFORMANCE OF THE SOFTWARE LIES WITH YOU.
***********************license end**************************************/
#ifndef __CVMX_BOOTLOADER__
#define __CVMX_BOOTLOADER__
/**
* @file
*
* Bootloader definitions that are shared with other programs
*
* <hr>$Revision: 49448 $<hr>
*/
/* The bootloader_header_t structure defines the header that is present
** at the start of binary u-boot images. This header is used to locate the bootloader
** image in NAND, and also to allow verification of images for normal NOR booting.
** This structure is placed at the beginning of a bootloader binary image, and remains
** in the executable code.
*/
#define BOOTLOADER_HEADER_MAGIC 0x424f4f54 /* "BOOT" in ASCII */
#define BOOTLOADER_HEADER_COMMENT_LEN 64
#define BOOTLOADER_HEADER_VERSION_LEN 64
#define BOOTLOADER_HEADER_MAX_SIZE 0x200 /* limited by the space to the next exception handler */
#define BOOTLOADER_HEADER_CURRENT_MAJOR_REV 1
#define BOOTLOADER_HEADER_CURRENT_MINOR_REV 2
/* Revision history
* 1.1 Initial released revision. (SDK 1.9)
* 1.2 TLB based relocatable image (SDK 2.0)
*
*
*/
/* offsets to struct bootloader_header fields for assembly use */
#define GOT_ADDRESS_OFFSET 48
#define LOOKUP_STEP (64*1024)
#ifndef __ASSEMBLY__
typedef struct bootloader_header
{
uint32_t jump_instr; /* Jump to executable code following the
** header. This allows this header to
** be (and remain) part of the executable image)
*/
uint32_t nop_instr; /* Must be 0x0 */
uint32_t magic; /* Magic number to identify header */
uint32_t hcrc; /* CRC of all of header excluding this field */
uint16_t hlen; /* Length of header in bytes */
uint16_t maj_rev; /* Major revision */
uint16_t min_rev; /* Minor revision */
uint16_t board_type; /* Board type that the image is for */
uint32_t dlen; /* Length of data (immediately following header) in bytes */
uint32_t dcrc; /* CRC of data */
uint64_t address; /* Mips virtual address */
uint32_t flags;
uint16_t image_type; /* Defined in bootloader_image_t enum */
uint16_t resv0; /* pad */
uint32_t reserved1;
uint32_t reserved2;
uint32_t reserved3;
uint32_t reserved4;
char comment_string[BOOTLOADER_HEADER_COMMENT_LEN]; /* Optional, for descriptive purposes */
char version_string[BOOTLOADER_HEADER_VERSION_LEN]; /* Optional, for descriptive purposes */
} __attribute__((packed)) bootloader_header_t;
/* Defines for flag field */
#define BL_HEADER_FLAG_FAILSAFE (1)
typedef enum
{
BL_HEADER_IMAGE_UNKNOWN = 0x0,
BL_HEADER_IMAGE_STAGE2, /* Binary bootloader stage2 image (NAND boot) */
BL_HEADER_IMAGE_STAGE3, /* Binary bootloader stage3 image (NAND boot)*/
BL_HEADER_IMAGE_NOR, /* Binary bootloader for NOR boot */
BL_HEADER_IMAGE_PCIBOOT, /* Binary bootloader for PCI boot */
BL_HEADER_IMAGE_UBOOT_ENV, /* Environment for u-boot */
BL_HEADER_IMAGE_MAX,
/* Range for customer private use. Will not be used by Cavium Networks */
BL_HEADER_IMAGE_CUST_RESERVED_MIN = 0x1000,
BL_HEADER_IMAGE_CUST_RESERVED_MAX = 0x1fff,
} bootloader_image_t;
#endif /* __ASSEMBLY__ */
/* Maximum address searched for NAND boot images and environments. This is used
** by stage1 and stage2. */
#define MAX_NAND_SEARCH_ADDR 0x400000
/* Maximum address to look for start of normal bootloader */
#define MAX_NOR_SEARCH_ADDR 0x100000
/* Defines for RAM based environment set by the host or the previous bootloader
** in a chain boot configuration. */
#define U_BOOT_RAM_ENV_ADDR (0x1000)
#define U_BOOT_RAM_ENV_SIZE (0x1000)
#define U_BOOT_RAM_ENV_CRC_SIZE (0x4)
#endif /* __CVMX_BOOTLOADER__ */
|
