drivers/isdn/hysdn/hysdn_pof.h

   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------------*/
  49 typedef 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
  55 typedef 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
  61 typedef 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 */