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001: /*
002: * cycx_cfm.h    Cyclom 2X WAN Link Driver.
003: *               Definitions for the Cyclom 2X Firmware Module (CFM).
004: *
005: * Author:       Arnaldo Carvalho de Melo <acme@conectiva.com.br>
006: *
007: * Copyright:    (c) 1998-2003 Arnaldo Carvalho de Melo
008: *
009: * Based on sdlasfm.h by Gene Kozin <74604.152@compuserve.com>
010: *
011: *               This program is free software; you can redistribute it and/or
012: *               modify it under the terms of the GNU General Public License
013: *               as published by the Free Software Foundation; either version
014: *               2 of the License, or (at your option) any later version.
015: * ============================================================================
016: * 1998/08/08    acme            Initial version.
017: */
018: #ifndef _CYCX_CFM_H
019: #define _CYCX_CFM_H
020: 
021: /* Defines */
022: 
023: #define CFM_VERSION     2
024: #define CFM_SIGNATURE   "CFM - Cyclades CYCX Firmware Module"
025: 
026: /* min/max */
027: #define CFM_IMAGE_SIZE  0x20000 /* max size of CYCX code image file */
028: #define CFM_DESCR_LEN   256     /* max length of description string */
029: #define CFM_MAX_CYCX    1       /* max number of compatible adapters */
030: #define CFM_LOAD_BUFSZ  0x400   /* buffer size for reset code (buffer_load) */
031: 
032: /* Firmware Commands */
033: #define GEN_POWER_ON    0x1280
034: 
035: #define GEN_SET_SEG     0x1401  /* boot segment setting. */
036: #define GEN_BOOT_DAT    0x1402  /* boot data. */
037: #define GEN_START       0x1403  /* board start. */
038: #define GEN_DEFPAR      0x1404  /* buffer length for boot. */
039: 
040: /* Adapter Types */
041: #define CYCX_2X         2
042: /* for now only the 2X is supported, no plans to support 8X or 16X */
043: #define CYCX_8X         8
044: #define CYCX_16X        16
045: 
046: #define CFID_X25_2X     5200
047: 
048: /**
049:  *      struct cycx_fw_info - firmware module information.
050:  *      @codeid - firmware ID
051:  *      @version - firmware version number
052:  *      @adapter - compatible adapter types
053:  *      @memsize - minimum memory size
054:  *      @reserved - reserved
055:  *      @startoffs - entry point offset
056:  *      @winoffs - dual-port memory window offset
057:  *      @codeoffs - code load offset
058:  *      @codesize - code size
059:  *      @dataoffs - configuration data load offset
060:  *      @datasize - configuration data size
061:  */
062: struct cycx_fw_info {
063:         unsigned short  codeid;
064:         unsigned short  version;
065:         unsigned short  adapter[CFM_MAX_CYCX];
066:         unsigned long   memsize;
067:         unsigned short  reserved[2];
068:         unsigned short  startoffs;
069:         unsigned short  winoffs;
070:         unsigned short  codeoffs;
071:         unsigned long   codesize;
072:         unsigned short  dataoffs;
073:         unsigned long   datasize;
074: };
075: 
076: /**
077:  *      struct cycx_firmware - CYCX firmware file structure
078:  *      @signature - CFM file signature
079:  *      @version - file format version
080:  *      @checksum - info + image
081:  *      @reserved - reserved
082:  *      @descr - description string
083:  *      @info - firmware module info
084:  *      @image - code image (variable size)
085:  */
086: struct cycx_firmware {
087:         char                signature[80];
088:         unsigned short      version;
089:         unsigned short      checksum;
090:         unsigned short      reserved[6];
091:         char                descr[CFM_DESCR_LEN];
092:         struct cycx_fw_info info;
093:         unsigned char       image[0];
094: };
095: 
096: struct cycx_fw_header {
097:         unsigned long  reset_size;
098:         unsigned long  data_size;
099:         unsigned long  code_size;
100: };
101: #endif  /* _CYCX_CFM_H */
102: 

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