/*- * Copyright (c) 1990 The Regents of the University of California. * All rights reserved. * * This code is derived from software contributed to Berkeley by * William Jolitz. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * from: @(#)isa.h 5.7 (Berkeley) 5/9/91 * $Id: pc98.h,v 1.5 1996/10/09 21:46:34 asami Exp $ */ #ifndef _PC98_PC98_PC98_H_ #define _PC98_PC98_PC98_H_ /* BEWARE: Included in both assembler and C code */ /* * PC98 Bus conventions */ /* * PC98 Bus conventions * modified for PC9801 by A.Kojima F.Ukai M.Ishii * Kyoto University Microcomputer Club (KMC) */ /* * Input / Output Port Assignments */ #ifndef IO_ISABEGIN #define IO_ISABEGIN 0x000 /* 0x000 - Beginning of I/O Registers */ /* PC98 IO address ... very dirty (^_^; */ #define IO_ICU1 0x000 /* 8259A Interrupt Controller #1 */ #define IO_DMA 0x001 /* 8237A DMA Controller */ #define IO_ICU2 0x008 /* 8259A Interrupt Controller #2 */ #define IO_RTC 0x020 /* 4990A RTC */ #define IO_DMAPG 0x021 /* DMA Page Registers */ #define IO_COM1 0x030 /* 8251A RS232C serial I/O (int) */ #define IO_SYSPORT 0x031 /* 8255A System Port */ #define IO_PPI 0x035 /* Programmable Peripheral Interface */ #define IO_LPT 0x040 /* 8255A Printer Port */ #define IO_KBD 0x041 /* 8251A Keyboard */ #define IO_NMI 0x050 /* NMI Control */ #define IO_WAIT 0x05F /* WAIT 0.6 us */ #define IO_GDC1 0x060 /* 7220 GDC Text Control */ #define IO_TIMER 0x071 /* 8253C Timer */ #define IO_SASI 0x080 /* SASI Hard Disk Controller */ #define IO_FD1 0x090 /* 765A 1MB FDC */ #define IO_GDC2 0x0a0 /* 7220 GDC Graphic Control */ #define IO_CGROM 0x0a1 /* Character ROM */ #define IO_COM2 0x0b1 /* 8251A RS232C serial I/O (ext) */ #define IO_COM3 0x0b9 /* 8251A RS232C serial I/O (ext) */ #define IO_FDPORT 0x0be /* FD I/F port (1M<->640K,EMTON) */ #define IO_FD2 0x0c8 /* 765A 640KB FDC */ #define IO_SIO1 0x0d0 /* MC16550II ext RS232C */ #define IO_REEST 0x0F0 /* CPU FPU reset */ #define IO_A2OEN 0x0F2 /* A20 enable */ #define IO_A20CT 0x0F6 /* A20 control enable/disable */ #define IO_NPX 0x0F8 /* Numeric Coprocessor */ #define IO_SOUND 0x188 /* YM2203 FM sound board */ #define IO_EGC 0x4a0 /* 7220 GDC Graphic Control */ #define IO_SCSI 0xcc0 /* SCSI Controller */ #define IO_SIO2 0x8d0 /* MC16550II ext RS232C */ #define IO_BEEPF 0x3fdb /* beep frequency */ #define IO_MOUSE 0x7fd9 /* mouse */ #define IO_BMS 0x7fd9 /* Bus Mouse */ #define IO_MSE 0x7fd9 /* Bus Mouse */ #define IO_MOUSETM 0xdfbd /* mouse timer */ #define IO_WD1_NEC 0x640 /* 98note IDE Hard disk controller */ #define IO_WD1_EPSON 0x80 /* 386note Hard disk controller */ #define IO_WD1 IO_WD1_NEC /* IDE Hard disk controller */ #define IO_ISAEND 0xFFFF /* - 0x3FF End of I/O Registers */ #endif /* !IO_ISABEGIN */ /* * Input / Output Port Sizes - these are from several sources, and tend * to be the larger of what was found, ie COM ports can be 4, but some * boards do not fully decode the address, thus 8 ports are used. */ #ifndef IO_ISASIZES #define IO_ISASIZES #define IO_COMSIZE 8 /* 8250, 16X50 com controllers (4?) */ #define IO_CGASIZE 16 /* CGA controllers */ #define IO_DMASIZE 16 /* 8237 DMA controllers */ #define IO_DPGSIZE 32 /* 74LS612 DMA page registers */ #define IO_FDCSIZE 8 /* Nec765 floppy controllers */ #define IO_WDCSIZE 8 /* WD compatible disk controllers */ #define IO_GAMSIZE 16 /* AT compatible game controllers */ #define IO_ICUSIZE 16 /* 8259A interrupt controllers */ #define IO_KBDSIZE 16 /* 8042 Keyboard controllers */ #define IO_LPTSIZE 8 /* LPT controllers, some use only 4 */ #define IO_MDASIZE 16 /* Monochrome display controllers */ #define IO_RTCSIZE 16 /* CMOS real time clock, NMI control */ #define IO_TMRSIZE 16 /* 8253 programmable timers */ #define IO_NPXSIZE 16 /* 80387/80487 NPX registers */ #define IO_VGASIZE 16 /* VGA controllers */ #define IO_EISASIZE 4096 /* EISA controllers */ #define IO_PMPSIZE 2 /* 82347 power management peripheral */ #endif /* !IO_ISASIZES */ /* * Input / Output Memory Physical Addresses */ #ifndef IOM_BEGIN #define IOM_BEGIN 0x0a0000 /* Start of I/O Memory "hole" */ #define IOM_END 0x100000 /* End of I/O Memory "hole" */ #define IOM_SIZE (IOM_END - IOM_BEGIN) #endif /* !RAM_BEGIN */ /* * RAM Physical Address Space (ignoring the above mentioned "hole") */ #ifndef RAM_BEGIN #define RAM_BEGIN 0x0000000 /* Start of RAM Memory */ #ifdef EPSON_BOUNCEDMA #define RAM_END 0x0f00000 /* End of EPSON GR?? RAM Memory */ #else #define RAM_END 0x1000000 /* End of RAM Memory */ #endif #define RAM_SIZE (RAM_END - RAM_BEGIN) #endif /* !RAM_BEGIN */ #ifndef PC98 /* IBM-PC */ /* * Oddball Physical Memory Addresses */ #ifndef COMPAQ_RAMRELOC #define COMPAQ_RAMRELOC 0x80c00000 /* Compaq RAM relocation/diag */ #define COMPAQ_RAMSETUP 0x80c00002 /* Compaq RAM setup */ #define WEITEK_FPU 0xC0000000 /* WTL 2167 */ #define CYRIX_EMC 0xC0000000 /* Cyrix EMC */ #endif COMPAQ_RAMRELOC #endif #define PC98_VECTOR_SIZE (0x400) #define PC98_SYSTEM_PARAMETER_SIZE (0x230) #define PC98_SAVE_AREA(highreso_flag) (0xa1000) #define PC98_SAVE_AREA_ADDRESS (0x10) #define OFS_BOOT_boothowto 0x210 #define OFS_BOOT_bootdev 0x214 #define OFS_BOOT_cyloffset 0x218 #define OFS_WD_BIOS_SECSIZE(i) (0x200+(i)*6) #define OFS_WD_BIOS_NCYL(i) (0x202+(i)*6) #define OFS_WD_BIOS_HEAD(i) (0x205+(i)*6) #define OFS_WD_BIOS_SEC(i) (0x204+(i)*6) #define OFS_pc98_machine_type 0x220 #define OFS_epson_machine_id 0x224 #define OFS_epson_bios_id 0x225 #define OFS_epson_system_type 0x226 #define M_NEC_PC98 0x0001 #define M_EPSON_PC98 0x0002 #define M_NOT_H98 0x0010 #define M_H98 0x0020 #define M_NOTE 0x0040 #define M_NORMAL 0x1000 #define M_8M 0x8000 #if defined(KERNEL) && !defined(LOCORE) /* BIOS parameter block */ extern unsigned char pc98_system_parameter[]; /* in locore.c */ #define PC98_SYSTEM_PARAMETER(x) pc98_system_parameter[(x)-0x400] #define BOOT_boothowto (*(unsigned long*)(&pc98_system_parameter[OFS_BOOT_boothowto])) #define BOOT_bootdev (*(unsigned long*)(&pc98_system_parameter[OFS_BOOT_bootdev])) #define BOOT_cyloffset (*(unsigned long*)(&pc98_system_parameter[OFS_BOOT_cyloffset])) #define WD_BIOS_SECSIZE(i) (*(unsigned short*)(&pc98_system_parameter[OFS_WD_BIOS_SECSIZE(i)])) #define WD_BIOS_NCYL(i) (*(unsigned short*)(&pc98_system_parameter[OFS_WD_BIOS_NCYL(i)])) #define WD_BIOS_HEAD(i) (pc98_system_parameter[OFS_WD_BIOS_HEAD(i)]) #define WD_BIOS_SEC(i) (pc98_system_parameter[OFS_WD_BIOS_SEC(i)]) #define pc98_machine_type (*(unsigned long*)&pc98_system_parameter[OFS_pc98_machine_type]) #define epson_machine_id (pc98_system_parameter[OFS_epson_machine_id]) #define epson_bios_id (pc98_system_parameter[OFS_epson_bios_id]) #define epson_system_type (pc98_system_parameter[OFS_epson_system_type]) # define PC98_TYPE_CHECK(x) ((pc98_machine_type & (x)) == (x)) #endif /* KERNEL */ /* * Obtained from NetBSD/pc98 */ #define MADDRUNK -1 #define IRQUNK 0 #define DRQUNK -1 #endif /* !_PC98_PC98_PC98_H_ */