include/linux/cycx_cfm.h

   1 /*
   2 * cycx_cfm.h    Cyclom 2X WAN Link Driver.
   3 *               Definitions for the Cyclom 2X Firmware Module (CFM).
   4 *
   5 * Author:       Arnaldo Carvalho de Melo <acme@conectiva.com.br>
   6 *
   7 * Copyright:    (c) 1998-2003 Arnaldo Carvalho de Melo
   8 *
   9 * Based on sdlasfm.h by Gene Kozin <74604.152@compuserve.com>
  10 *
  11 *               This program is free software; you can redistribute it and/or
  12 *               modify it under the terms of the GNU General Public License
  13 *               as published by the Free Software Foundation; either version
  14 *               2 of the License, or (at your option) any later version.
  15 * ============================================================================
  16 * 1998/08/08    acme            Initial version.
  17 */
  18 #ifndef _CYCX_CFM_H
  19 #define _CYCX_CFM_H
  20
  21 /* Defines */
  22
  23 #define CFM_VERSION     2
  24 #define CFM_SIGNATURE   "CFM - Cyclades CYCX Firmware Module"
  25
  26 /* min/max */
  27 #define CFM_IMAGE_SIZE  0x20000 /* max size of CYCX code image file */
  28 #define CFM_DESCR_LEN   256     /* max length of description string */
  29 #define CFM_MAX_CYCX    1       /* max number of compatible adapters */
  30 #define CFM_LOAD_BUFSZ  0x400   /* buffer size for reset code (buffer_load) */
  31
  32 /* Firmware Commands */
  33 #define GEN_POWER_ON    0x1280
  34
  35 #define GEN_SET_SEG     0x1401  /* boot segment setting. */
  36 #define GEN_BOOT_DAT    0x1402  /* boot data. */
  37 #define GEN_START       0x1403  /* board start. */
  38 #define GEN_DEFPAR      0x1404  /* buffer length for boot. */
  39
  40 /* Adapter Types */
  41 #define CYCX_2X         2
  42 /* for now only the 2X is supported, no plans to support 8X or 16X */
  43 #define CYCX_8X         8
  44 #define CYCX_16X        16
  45
  46 #define CFID_X25_2X     5200
  47
  48 /**
  49  *      struct cycx_fw_info - firmware module information.
  50  *      @codeid - firmware ID
  51  *      @version - firmware version number
  52  *      @adapter - compatible adapter types
  53  *      @memsize - minimum memory size
  54  *      @reserved - reserved
  55  *      @startoffs - entry point offset
  56  *      @winoffs - dual-port memory window offset
  57  *      @codeoffs - code load offset
  58  *      @codesize - code size
  59  *      @dataoffs - configuration data load offset
  60  *      @datasize - configuration data size
  61  */
  62 struct cycx_fw_info {
  63         unsigned short  codeid;
  64         unsigned short  version;
  65         unsigned short  adapter[CFM_MAX_CYCX];
  66         unsigned long   memsize;
  67         unsigned short  reserved[2];
  68         unsigned short  startoffs;
  69         unsigned short  winoffs;
  70         unsigned short  codeoffs;
  71         unsigned long   codesize;
  72         unsigned short  dataoffs;
  73         unsigned long   datasize;
  74 };
  75
  76 /**
  77  *      struct cycx_firmware - CYCX firmware file structure
  78  *      @signature - CFM file signature
  79  *      @version - file format version
  80  *      @checksum - info + image
  81  *      @reserved - reserved
  82  *      @descr - description string
  83  *      @info - firmware module info
  84  *      @image - code image (variable size)
  85  */
  86 struct cycx_firmware {
  87         char                signature[80];
  88         unsigned short      version;
  89         unsigned short      checksum;
  90         unsigned short      reserved[6];
  91         char                descr[CFM_DESCR_LEN];
  92         struct cycx_fw_info info;
  93         unsigned char       image[0];
  94 };
  95
  96 struct cycx_fw_header {
  97         unsigned long  reset_size;
  98         unsigned long  data_size;
  99         unsigned long  code_size;
 100 };
 101 #endif  /* _CYCX_CFM_H */