linux/drivers/isdn/hysdn/hysdn_pof.h
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   1/* $Id: hysdn_pof.h,v 1.2.6.1 2001/09/23 22:24:54 kai Exp $
   2 *
   3 * Linux driver for HYSDN cards, definitions used for handling pof-files.
   4 *
   5 * Author    Werner Cornelius (werner@titro.de) for Hypercope GmbH
   6 * Copyright 1999 by Werner Cornelius (werner@titro.de)
   7 *
   8 * This software may be used and distributed according to the terms
   9 * of the GNU General Public License, incorporated herein by reference.
  10 *
  11 */
  12
  13/************************/
  14/* POF specific defines */
  15/************************/
  16#define BOOT_BUF_SIZE   0x1000  /* =4096, maybe moved to other h file */
  17#define CRYPT_FEEDTERM  0x8142
  18#define CRYPT_STARTTERM 0x81a5
  19                                    /*  max. timeout time in seconds
  20                                     *  from end of booting to POF is ready
  21                                     */
  22#define POF_READY_TIME_OUT_SEC  10
  23
  24/**********************************/
  25/* defines for 1.stage boot image */
  26/**********************************/
  27
  28/*  the POF file record containing the boot loader image
  29 *  has 2 pages a 16KB:
  30 *  1. page contains the high 16-bit part of the 32-bit E1 words
  31 *  2. page contains the low  16-bit part of the 32-bit E1 words
  32 *
  33 *  In each 16KB page we assume the start of the boot loader code
  34 *  in the highest 2KB part (at offset 0x3800);
  35 *  the rest (0x0000..0x37FF) is assumed to contain 0 bytes.
  36 */
  37
  38#define POF_BOOT_LOADER_PAGE_SIZE   0x4000      /* =16384U */
  39#define POF_BOOT_LOADER_TOTAL_SIZE  (2U*POF_BOOT_LOADER_PAGE_SIZE)
  40
  41#define POF_BOOT_LOADER_CODE_SIZE   0x0800      /* =2KB =2048U */
  42
  43                    /* offset in boot page, where loader code may start */
  44                                            /* =0x3800= 14336U */
  45#define POF_BOOT_LOADER_OFF_IN_PAGE (POF_BOOT_LOADER_PAGE_SIZE-POF_BOOT_LOADER_CODE_SIZE)
  46
  47
  48/*--------------------------------------POF file record structs------------*/
  49typedef struct PofFileHdr_tag { /* Pof file header */
  50/*00 */ unsigned long Magic __attribute__((packed));
  51/*04 */ unsigned long N_PofRecs __attribute__((packed));
  52/*08 */
  53} tPofFileHdr;
  54
  55typedef struct PofRecHdr_tag {  /* Pof record header */
  56/*00 */ unsigned short PofRecId __attribute__((packed));
  57/*02 */ unsigned long PofRecDataLen __attribute__((packed));
  58/*06 */
  59} tPofRecHdr;
  60
  61typedef struct PofTimeStamp_tag {
  62/*00 */ unsigned long UnixTime __attribute__((packed));
  63        /*04 */ unsigned char DateTimeText[0x28];
  64        /* =40 */
  65/*2C */
  66} tPofTimeStamp;
  67
  68                                    /* tPofFileHdr.Magic value: */
  69#define TAGFILEMAGIC 0x464F501AUL
  70                                    /* tPofRecHdr.PofRecId values: */
  71#define TAG_ABSDATA  0x1000     /* abs. data */
  72#define TAG_BOOTDTA  0x1001     /* boot data */
  73#define TAG_COMMENT  0x0020
  74#define TAG_SYSCALL  0x0021
  75#define TAG_FLOWCTRL 0x0022
  76#define TAG_TIMESTMP 0x0010     /* date/time stamp of version */
  77#define TAG_CABSDATA 0x1100     /* crypted abs. data */
  78#define TAG_CBOOTDTA 0x1101     /* crypted boot data */
  79