tools/firmware-utils/src/myloader.h

   1 /*
   2  *  Copyright (C) 2006,2007 Gabor Juhos
   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 IXP422 */
  60 #define DEVID_COMPEX_WP18       0x047E
  61 #define DEVID_COMPEX_NP18A      0x0489
  62
  63 /* Other devices */
  64 #define DEVID_COMPEX_NP26G8M    0x03E8
  65 #define DEVID_COMPEX_NP26G16M   0x03E9
  66
  67 struct mylo_fw_header {
  68         uint32_t        magic;  /* must be MYLO_MAGIC_FIRMWARE */
  69         uint32_t        crc;    /* CRC of the whole firmware */
  70         uint32_t        res0;   /* unknown/unused */
  71         uint32_t        res1;   /* unknown/unused */
  72         uint16_t        vid;    /* vendor ID */
  73         uint16_t        did;    /* device ID */
  74         uint16_t        svid;   /* sub vendor ID */
  75         uint16_t        sdid;   /* sub device ID */
  76         uint32_t        rev;    /* device revision */
  77         uint32_t        fwhi;   /* FIXME: firmware version high? */
  78         uint32_t        fwlo;   /* FIXME: firmware version low? */
  79         uint32_t        flags;  /* firmware flags */
  80 };
  81
  82 #define FW_FLAG_BOARD_PARAMS_WP 0x01 /* board parameters are write protected */
  83 #define FW_FLAG_BOOT_SECTOR_WE  0x02 /* enable of write boot sectors (below 64K) */
  84
  85 struct mylo_fw_blockdesc {
  86         uint32_t        type;   /* block type */
  87         uint32_t        addr;   /* relative address to flash start */
  88         uint32_t        dlen;   /* size of block data in bytes */
  89         uint32_t        blen;   /* total size of block in bytes */
  90 };
  91
  92 #define FW_DESC_TYPE_UNUSED     0
  93 #define FW_DESC_TYPE_USED       1
  94
  95 struct mylo_partition {
  96         uint16_t        flags;  /* partition flags */
  97         uint16_t        type;   /* type of the partition */
  98         uint32_t        addr;   /* relative address of the partition from the
  99                                    flash start */
 100         uint32_t        size;   /* size of the partition in bytes */
 101         uint32_t        param;  /* if this is the active partition, the
 102                                    MyLoader load code to this address */
 103 };
 104
 105 #define PARTITION_FLAG_ACTIVE   0x8000 /* this is the active partition,
 106                                         * MyLoader loads firmware from here */
 107 #define PARTITION_FLAG_ISRAM    0x2000 /* FIXME: this is a RAM partition? */
 108 #define PARTIIION_FLAG_RAMLOAD  0x1000 /* FIXME: load this partition into the RAM? */
 109 #define PARTITION_FLAG_PRELOAD  0x0800 /* the partition data preloaded to RAM
 110                                         * before decompression */
 111 #define PARTITION_FLAG_HAVEHDR  0x0002 /* the partition data have a header */
 112
 113 #define PARTITION_TYPE_FREE     0
 114 #define PARTITION_TYPE_USED     1
 115
 116 #define MYLO_MAX_PARTITIONS     8       /* maximum number of partitions in the
 117                                            partition table */
 118
 119 struct mylo_partition_table {
 120         uint32_t        magic;  /* must be MYLO_MAGIC_PARTITIONS */
 121         uint32_t        res0;   /* unknown/unused */
 122         uint32_t        res1;   /* unknown/unused */
 123         uint32_t        res2;   /* unknown/unused */
 124         struct mylo_partition partitions[MYLO_MAX_PARTITIONS];
 125 };
 126
 127 struct mylo_partition_header {
 128         uint32_t        len;    /* length of the partition data */
 129         uint32_t        crc;    /* CRC value of the partition data */
 130 };
 131
 132 struct mylo_system_params {
 133         uint32_t        magic;  /* must be MYLO_MAGIC_SYS_PARAMS */
 134         uint32_t        res0;
 135         uint32_t        res1;
 136         uint32_t        mylo_ver;
 137         uint16_t        vid;    /* Vendor ID */
 138         uint16_t        did;    /* Device ID */
 139         uint16_t        svid;   /* Sub Vendor ID */
 140         uint16_t        sdid;   /* Sub Device ID */
 141         uint32_t        rev;    /* device revision */
 142         uint32_t        fwhi;
 143         uint32_t        fwlo;
 144         uint32_t        tftp_addr;
 145         uint32_t        prog_start;
 146         uint32_t        flash_size;     /* Size of boot FLASH in bytes */
 147         uint32_t        dram_size;      /* Size of onboard RAM in bytes */
 148 };
 149
 150
 151 struct mylo_eth_addr {
 152         uint8_t mac[6];
 153         uint8_t csum[2];
 154 };
 155
 156 #define MYLO_ETHADDR_COUNT      8       /* maximum number of ethernet address
 157                                            in the board parameters */
 158
 159 struct mylo_board_params {
 160         uint32_t        magic;  /* must be MYLO_MAGIC_BOARD_PARAMS */
 161         uint32_t        res0;
 162         uint32_t        res1;
 163         uint32_t        res2;
 164         struct mylo_eth_addr addr[MYLO_ETHADDR_COUNT];
 165 };
 166
 167 #endif /* _MYLOADER_H_*/