Root/tools/firmware-utils/src/myloader.h

1/*
2 * Copyright (C) 2006-2008 Gabor Juhos <juhosg@openwrt.org>
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License as published by the
6 * Free Software Foundation; either version 2 of the License, or (at your
7 * option) any later version.
8 *
9 */
10
11#ifndef _MYLOADER_H_
12#define _MYLOADER_H_
13
14/*
15 * Firmware file format:
16 *
17 * <header>
18 * [<block descriptor 0>]
19 * ...
20 * [<block descriptor n>]
21 * <null block descriptor>
22 * [<block data 0>]
23 * ...
24 * [<block data n>]
25 *
26 *
27 */
28
29/* Myloader specific magic numbers */
30#define MYLO_MAGIC_FIRMWARE 0x4C594D00
31#define MYLO_MAGIC_20021103 0x20021103
32#define MYLO_MAGIC_20021107 0x20021107
33
34#define MYLO_MAGIC_SYS_PARAMS MYLO_MAGIC_20021107
35#define MYLO_MAGIC_PARTITIONS MYLO_MAGIC_20021103
36#define MYLO_MAGIC_BOARD_PARAMS MYLO_MAGIC_20021103
37
38/*
39 * Addresses of the data structures provided by MyLoader
40 */
41#define MYLO_MIPS_SYS_PARAMS 0x80000800 /* System Parameters */
42#define MYLO_MIPS_BOARD_PARAMS 0x80000A00 /* Board Parameters */
43#define MYLO_MIPS_PARTITIONS 0x80000C00 /* Partition Table */
44#define MYLO_MIPS_BOOT_PARAMS 0x80000E00 /* Boot Parameters */
45
46/* Vendor ID's (seems to be same as the PCI vendor ID's) */
47#define VENID_COMPEX 0x11F6
48
49/* Devices based on the ADM5120 */
50#define DEVID_COMPEX_NP27G 0x0078
51#define DEVID_COMPEX_NP28G 0x044C
52#define DEVID_COMPEX_NP28GHS 0x044E
53#define DEVID_COMPEX_WP54Gv1C 0x0514
54#define DEVID_COMPEX_WP54G 0x0515
55#define DEVID_COMPEX_WP54AG 0x0546
56#define DEVID_COMPEX_WPP54AG 0x0550
57#define DEVID_COMPEX_WPP54G 0x0555
58
59/* Devices based on the Atheros AR2317 */
60#define DEVID_COMPEX_NP25G 0x05e6
61#define DEVID_COMPEX_WPE53G 0x05dc
62
63/* Devices based on the Atheros AR71xx */
64#define DEVID_COMPEX_WP543 0x0640
65#define DEVID_COMPEX_WPE72 0x0672
66
67/* Devices based on the IXP422 */
68#define DEVID_COMPEX_WP18 0x047E
69#define DEVID_COMPEX_NP18A 0x0489
70
71/* Other devices */
72#define DEVID_COMPEX_NP26G8M 0x03E8
73#define DEVID_COMPEX_NP26G16M 0x03E9
74
75struct mylo_fw_header {
76    uint32_t magic; /* must be MYLO_MAGIC_FIRMWARE */
77    uint32_t crc; /* CRC of the whole firmware */
78    uint32_t res0; /* unknown/unused */
79    uint32_t res1; /* unknown/unused */
80    uint16_t vid; /* vendor ID */
81    uint16_t did; /* device ID */
82    uint16_t svid; /* sub vendor ID */
83    uint16_t sdid; /* sub device ID */
84    uint32_t rev; /* device revision */
85    uint32_t fwhi; /* FIXME: firmware version high? */
86    uint32_t fwlo; /* FIXME: firmware version low? */
87    uint32_t flags; /* firmware flags */
88};
89
90#define FW_FLAG_BOARD_PARAMS_WP 0x01 /* board parameters are write protected */
91#define FW_FLAG_BOOT_SECTOR_WE 0x02 /* enable of write boot sectors (below 64K) */
92
93struct mylo_fw_blockdesc {
94    uint32_t type; /* block type */
95    uint32_t addr; /* relative address to flash start */
96    uint32_t dlen; /* size of block data in bytes */
97    uint32_t blen; /* total size of block in bytes */
98};
99
100#define FW_DESC_TYPE_UNUSED 0
101#define FW_DESC_TYPE_USED 1
102
103struct mylo_partition {
104    uint16_t flags; /* partition flags */
105    uint16_t type; /* type of the partition */
106    uint32_t addr; /* relative address of the partition from the
107                   flash start */
108    uint32_t size; /* size of the partition in bytes */
109    uint32_t param; /* if this is the active partition, the
110                   MyLoader load code to this address */
111};
112
113#define PARTITION_FLAG_ACTIVE 0x8000 /* this is the active partition,
114                    * MyLoader loads firmware from here */
115#define PARTITION_FLAG_ISRAM 0x2000 /* FIXME: this is a RAM partition? */
116#define PARTIIION_FLAG_RAMLOAD 0x1000 /* FIXME: load this partition into the RAM? */
117#define PARTITION_FLAG_PRELOAD 0x0800 /* the partition data preloaded to RAM
118                    * before decompression */
119#define PARTITION_FLAG_LZMA 0x0100 /* the partition data compressed with LZMA */
120#define PARTITION_FLAG_HAVEHDR 0x0002 /* the partition data have a header */
121
122#define PARTITION_TYPE_FREE 0
123#define PARTITION_TYPE_USED 1
124
125#define MYLO_MAX_PARTITIONS 8 /* maximum number of partitions in the
126                       partition table */
127
128struct mylo_partition_table {
129    uint32_t magic; /* must be MYLO_MAGIC_PARTITIONS */
130    uint32_t res0; /* unknown/unused */
131    uint32_t res1; /* unknown/unused */
132    uint32_t res2; /* unknown/unused */
133    struct mylo_partition partitions[MYLO_MAX_PARTITIONS];
134};
135
136struct mylo_partition_header {
137    uint32_t len; /* length of the partition data */
138    uint32_t crc; /* CRC value of the partition data */
139};
140
141struct mylo_system_params {
142    uint32_t magic; /* must be MYLO_MAGIC_SYS_PARAMS */
143    uint32_t res0;
144    uint32_t res1;
145    uint32_t mylo_ver;
146    uint16_t vid; /* Vendor ID */
147    uint16_t did; /* Device ID */
148    uint16_t svid; /* Sub Vendor ID */
149    uint16_t sdid; /* Sub Device ID */
150    uint32_t rev; /* device revision */
151    uint32_t fwhi;
152    uint32_t fwlo;
153    uint32_t tftp_addr;
154    uint32_t prog_start;
155    uint32_t flash_size; /* Size of boot FLASH in bytes */
156    uint32_t dram_size; /* Size of onboard RAM in bytes */
157};
158
159
160struct mylo_eth_addr {
161    uint8_t mac[6];
162    uint8_t csum[2];
163};
164
165#define MYLO_ETHADDR_COUNT 8 /* maximum number of ethernet address
166                       in the board parameters */
167
168struct mylo_board_params {
169    uint32_t magic; /* must be MYLO_MAGIC_BOARD_PARAMS */
170    uint32_t res0;
171    uint32_t res1;
172    uint32_t res2;
173    struct mylo_eth_addr addr[MYLO_ETHADDR_COUNT];
174};
175
176#endif /* _MYLOADER_H_*/
177

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