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1 office 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  
75 struct 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  
93 struct 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  
103 struct 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  
128 struct 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  
136 struct mylo_partition_header {
137 uint32_t len; /* length of the partition data */
138 uint32_t crc; /* CRC value of the partition data */
139 };
140  
141 struct 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  
160 struct 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  
168 struct 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_*/