board.h
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上传日期:2013-02-24
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文件大小:4k
- /*
- ** -----------------------------------------------------------------------------
- **
- ** Perle Specialix driver for Linux
- ** Ported from existing RIO Driver for SCO sources.
- *
- * (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK.
- *
- * 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.
- **
- ** Module : board.h
- ** SID : 1.2
- ** Last Modified : 11/6/98 11:34:07
- ** Retrieved : 11/6/98 11:34:20
- **
- ** ident @(#)board.h 1.2
- **
- ** -----------------------------------------------------------------------------
- */
- #ifndef __rio_board_h__
- #define __rio_board_h__
- #ifdef SCCS_LABELS
- static char *_board_h_sccs_ = "@(#)board.h 1.2";
- #endif
- /*
- ** board.h contains the definitions for the *hardware* of the host cards.
- ** It describes the memory overlay for the dual port RAM area.
- */
- #define DP_SRAM1_SIZE 0x7C00
- #define DP_SRAM2_SIZE 0x0200
- #define DP_SRAM3_SIZE 0x7000
- #define DP_SCRATCH_SIZE 0x1000
- #define DP_PARMMAP_ADDR 0x01FE /* offset into SRAM2 */
- #define DP_STARTUP_ADDR 0x01F8 /* offset into SRAM2 */
- /*
- ** The shape of the Host Control area, at offset 0x7C00, Write Only
- */
- struct s_Ctrl
- {
- BYTE DpCtl; /* 7C00 */
- BYTE Dp_Unused2_[127];
- BYTE DpIntSet; /* 7C80 */
- BYTE Dp_Unused3_[127];
- BYTE DpTpuReset; /* 7D00 */
- BYTE Dp_Unused4_[127];
- BYTE DpIntReset; /* 7D80 */
- BYTE Dp_Unused5_[127];
- };
- /*
- ** The PROM data area on the host (0x7C00), Read Only
- */
- struct s_Prom
- {
- WORD DpSlxCode[2];
- WORD DpRev;
- WORD Dp_Unused6_;
- WORD DpUniq[4];
- WORD DpJahre;
- WORD DpWoche;
- WORD DpHwFeature[5];
- WORD DpOemId;
- WORD DpSiggy[16];
- };
- /*
- ** Union of the Ctrl and Prom areas
- */
- union u_CtrlProm /* This is the control/PROM area (0x7C00) */
- {
- struct s_Ctrl DpCtrl;
- struct s_Prom DpProm;
- };
- /*
- ** The top end of memory!
- */
- struct s_ParmMapS /* Area containing Parm Map Pointer */
- {
- BYTE Dp_Unused8_[DP_PARMMAP_ADDR];
- WORD DpParmMapAd;
- };
- struct s_StartUpS
- {
- BYTE Dp_Unused9_[DP_STARTUP_ADDR];
- BYTE Dp_LongJump[0x4];
- BYTE Dp_Unused10_[2];
- BYTE Dp_ShortJump[0x2];
- };
- union u_Sram2ParmMap /* This is the top of memory (0x7E00-0x7FFF) */
- {
- BYTE DpSramMem[DP_SRAM2_SIZE];
- struct s_ParmMapS DpParmMapS;
- struct s_StartUpS DpStartUpS;
- };
- /*
- ** This is the DP RAM overlay.
- */
- struct DpRam
- {
- BYTE DpSram1[DP_SRAM1_SIZE]; /* 0000 - 7BFF */
- union u_CtrlProm DpCtrlProm; /* 7C00 - 7DFF */
- union u_Sram2ParmMap DpSram2ParmMap; /* 7E00 - 7FFF */
- BYTE DpScratch[DP_SCRATCH_SIZE]; /* 8000 - 8FFF */
- BYTE DpSram3[DP_SRAM3_SIZE]; /* 9000 - FFFF */
- };
- #define DpControl DpCtrlProm.DpCtrl.DpCtl
- #define DpSetInt DpCtrlProm.DpCtrl.DpIntSet
- #define DpResetTpu DpCtrlProm.DpCtrl.DpTpuReset
- #define DpResetInt DpCtrlProm.DpCtrl.DpIntReset
- #define DpSlx DpCtrlProm.DpProm.DpSlxCode
- #define DpRevision DpCtrlProm.DpProm.DpRev
- #define DpUnique DpCtrlProm.DpProm.DpUniq
- #define DpYear DpCtrlProm.DpProm.DpJahre
- #define DpWeek DpCtrlProm.DpProm.DpWoche
- #define DpSignature DpCtrlProm.DpProm.DpSiggy
- #define DpParmMapR DpSram2ParmMap.DpParmMapS.DpParmMapAd
- #define DpSram2 DpSram2ParmMap.DpSramMem
- #endif