File: /usr/src/linux/drivers/isdn/hysdn/hysdn_pof.h
1 /* $Id: hysdn_pof.h,v 1.2 2000/11/13 22:51:47 kai Exp $
2
3 * Linux driver for HYSDN cards, definitions used for handling pof-files.
4 * written by Werner Cornelius (werner@titro.de) for Hypercope GmbH
5 *
6 * Copyright 1999 by Werner Cornelius (werner@titro.de)
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2, or (at your option)
11 * any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 *
22 */
23
24 /************************/
25 /* POF specific defines */
26 /************************/
27 #define BOOT_BUF_SIZE 0x1000 /* =4096, maybe moved to other h file */
28 #define CRYPT_FEEDTERM 0x8142
29 #define CRYPT_STARTTERM 0x81a5
30 /* max. timeout time in seconds
31 * from end of booting to POF is ready
32 */
33 #define POF_READY_TIME_OUT_SEC 10
34
35 /**********************************/
36 /* defines for 1.stage boot image */
37 /**********************************/
38
39 /* the POF file record containing the boot loader image
40 * has 2 pages a 16KB:
41 * 1. page contains the high 16-bit part of the 32-bit E1 words
42 * 2. page contains the low 16-bit part of the 32-bit E1 words
43 *
44 * In each 16KB page we assume the start of the boot loader code
45 * in the highest 2KB part (at offset 0x3800);
46 * the rest (0x0000..0x37FF) is assumed to contain 0 bytes.
47 */
48
49 #define POF_BOOT_LOADER_PAGE_SIZE 0x4000 /* =16384U */
50 #define POF_BOOT_LOADER_TOTAL_SIZE (2U*POF_BOOT_LOADER_PAGE_SIZE)
51
52 #define POF_BOOT_LOADER_CODE_SIZE 0x0800 /* =2KB =2048U */
53
54 /* offset in boot page, where loader code may start */
55 /* =0x3800= 14336U */
56 #define POF_BOOT_LOADER_OFF_IN_PAGE (POF_BOOT_LOADER_PAGE_SIZE-POF_BOOT_LOADER_CODE_SIZE)
57
58
59 /*--------------------------------------POF file record structs------------*/
60 typedef struct PofFileHdr_tag { /* Pof file header */
61 /*00 */ ulong Magic __attribute__((packed));
62 /*04 */ ulong N_PofRecs __attribute__((packed));
63 /*08 */
64 } tPofFileHdr;
65
66 typedef struct PofRecHdr_tag { /* Pof record header */
67 /*00 */ word PofRecId __attribute__((packed));
68 /*02 */ ulong PofRecDataLen __attribute__((packed));
69 /*06 */
70 } tPofRecHdr;
71
72 typedef struct PofTimeStamp_tag {
73 /*00 */ ulong UnixTime __attribute__((packed));
74 /*04 */ uchar DateTimeText[0x28] __attribute__((packed));
75 /* =40 */
76 /*2C */
77 } tPofTimeStamp;
78
79 /* tPofFileHdr.Magic value: */
80 #define TAGFILEMAGIC 0x464F501AUL
81 /* tPofRecHdr.PofRecId values: */
82 #define TAG_ABSDATA 0x1000 /* abs. data */
83 #define TAG_BOOTDTA 0x1001 /* boot data */
84 #define TAG_COMMENT 0x0020
85 #define TAG_SYSCALL 0x0021
86 #define TAG_FLOWCTRL 0x0022
87 #define TAG_TIMESTMP 0x0010 /* date/time stamp of version */
88 #define TAG_CABSDATA 0x1100 /* crypted abs. data */
89 #define TAG_CBOOTDTA 0x1101 /* crypted boot data */
90