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|
/*****************************************************************************/
/*
* cdk.h -- CDK interface definitions.
*
* Copyright (C) 1996-1998 Stallion Technologies
* Copyright (C) 1994-1996 Greg Ungerer.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/*****************************************************************************/
#ifndef _CDK_H
#define _CDK_H
/*****************************************************************************/
#pragma pack(2)
/*
* The following set of definitions is used to communicate with the
* shared memory interface of the Stallion intelligent multiport serial
* boards. The definitions in this file are taken directly from the
* document titled "Generic Stackable Interface, Downloader and
* Communications Development Kit".
*/
/*
* Define the set of important shared memory addresses. These are
* required to initialize the board and get things started. All of these
* addresses are relative to the start of the shared memory.
*/
#define CDK_SIGADDR 0x200
#define CDK_FEATADDR 0x280
#define CDK_CDKADDR 0x300
#define CDK_RDYADDR 0x262
#define CDK_ALIVEMARKER 13
/*
* On hardware power up the ROMs located on the EasyConnection 8/64 will
* fill out the following signature information into shared memory. This
* way the host system can quickly determine that the board is present
* and is operational.
*/
typedef struct cdkecpsig {
unsigned long magic;
unsigned short romver;
unsigned short cputype;
unsigned char panelid[8];
} cdkecpsig_t;
#define ECP_MAGIC 0x21504345
/*
* On hardware power up the ROMs located on the ONboard, Stallion and
* Brumbys will fill out the following signature information into shared
* memory. This way the host system can quickly determine that the board
* is present and is operational.
*/
typedef struct cdkonbsig {
unsigned short magic0;
unsigned short magic1;
unsigned short magic2;
unsigned short magic3;
unsigned short romver;
unsigned short memoff;
unsigned short memseg;
unsigned short amask0;
unsigned short pic;
unsigned short status;
unsigned short btype;
unsigned short clkticks;
unsigned short clkspeed;
unsigned short amask1;
unsigned short amask2;
} cdkonbsig_t;
#define ONB_MAGIC0 0xf2a7
#define ONB_MAGIC1 0xa149
#define ONB_MAGIC2 0x6352
#define ONB_MAGIC3 0xf121
/*
* Define the feature area structure. The feature area is the set of
* startup parameters used by the slave image when it starts executing.
* They allow for the specification of buffer sizes, debug trace, etc.
*/
typedef struct cdkfeature {
unsigned long debug;
unsigned long banner;
unsigned long etype;
unsigned long nrdevs;
unsigned long brdspec;
unsigned long txrqsize;
unsigned long rxrqsize;
unsigned long flags;
} cdkfeature_t;
#define ETYP_DDK 0
#define ETYP_CDK 1
/*
* Define the CDK header structure. This is the info that the slave
* environment sets up after it has been downloaded and started. It
* essentially provides a memory map for the shared memory interface.
*/
typedef struct cdkhdr {
unsigned short command;
|
