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Annotation of Net2/arch/i386/isa/isa.h, revision 1.1

1.1     ! root        1: /*-
        !             2:  * Copyright (c) 1990 The Regents of the University of California.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * This code is derived from software contributed to Berkeley by
        !             6:  * William Jolitz.
        !             7:  *
        !             8:  * Redistribution and use in source and binary forms, with or without
        !             9:  * modification, are permitted provided that the following conditions
        !            10:  * are met:
        !            11:  * 1. Redistributions of source code must retain the above copyright
        !            12:  *    notice, this list of conditions and the following disclaimer.
        !            13:  * 2. Redistributions in binary form must reproduce the above copyright
        !            14:  *    notice, this list of conditions and the following disclaimer in the
        !            15:  *    documentation and/or other materials provided with the distribution.
        !            16:  * 3. All advertising materials mentioning features or use of this software
        !            17:  *    must display the following acknowledgement:
        !            18:  *     This product includes software developed by the University of
        !            19:  *     California, Berkeley and its contributors.
        !            20:  * 4. Neither the name of the University nor the names of its contributors
        !            21:  *    may be used to endorse or promote products derived from this software
        !            22:  *    without specific prior written permission.
        !            23:  *
        !            24:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            25:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            26:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            27:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            28:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            29:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            30:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            31:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            32:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            33:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            34:  * SUCH DAMAGE.
        !            35:  *
        !            36:  *     @(#)isa.h       5.7 (Berkeley) 5/9/91
        !            37:  */
        !            38: 
        !            39: /*
        !            40:  * ISA Bus conventions
        !            41:  */
        !            42: 
        !            43: #ifndef LOCORE
        !            44: unsigned char inb(), rtcin();
        !            45: void outb();
        !            46: #endif
        !            47: 
        !            48: 
        !            49: /*
        !            50:  * Input / Output Port Assignments
        !            51:  */
        !            52: 
        !            53: #ifndef IO_BEGIN
        !            54: #define        IO_ISABEGIN     0x000           /* 0x000 - Beginning of I/O Registers */
        !            55: 
        !            56:                /* CPU Board */
        !            57: #define IO_DMA1                0x000           /* 8237A DMA Controller #1 */
        !            58: #define IO_ICU1                0x020           /* 8259A Interrupt Controller #1 */
        !            59: #define IO_TIMER1      0x040           /* 8252 Timer #1 */
        !            60: #define IO_TIMER2      0x048           /* 8252 Timer #2 */
        !            61: #define IO_KBD         0x060           /* 8042 Keyboard */
        !            62: #define IO_RTC         0x070           /* RTC */
        !            63: #define IO_NMI         IO_RTC          /* NMI Control */
        !            64: #define IO_DMAPG       0x080           /* DMA Page Registers */
        !            65: #define IO_ICU2                0x0A0           /* 8259A Interrupt Controller #2 */
        !            66: #define IO_DMA2                0x0C0           /* 8237A DMA Controller #2 */
        !            67: #define IO_NPX         0x0F0           /* Numeric Coprocessor */
        !            68: 
        !            69:                /* Cards */
        !            70:                                        /* 0x100 - 0x16F Open */
        !            71: 
        !            72: #define IO_WD2         0x170           /* Secondary Fixed Disk Controller */
        !            73: 
        !            74:                                        /* 0x178 - 0x1EF Open */
        !            75: 
        !            76: #define IO_WD1         0x1f0           /* Primary Fixed Disk Controller */
        !            77: #define IO_GAME                0x200           /* Game Controller */
        !            78: 
        !            79:                                        /* 0x208 - 0x277 Open */
        !            80: 
        !            81: #define IO_LPT2                0x278           /* Parallel Port #2 */
        !            82: 
        !            83:                                        /* 0x280 - 0x2F7 Open */
        !            84: 
        !            85: #define IO_COM2                0x2f8           /* COM2 i/o address */
        !            86: 
        !            87:                                        /* 0x300 - 0x36F Open */
        !            88: 
        !            89: #define IO_FD2         0x370           /* secondary base i/o address */
        !            90: #define IO_LPT1                0x378           /* Parallel Port #1 */
        !            91: 
        !            92:                                        /* 0x380 - 0x3AF Open */
        !            93: 
        !            94: #define IO_MDA         0x3B0           /* Monochome Adapter */
        !            95: #define IO_LPT3                0x3BC           /* Monochome Adapter Printer Port */
        !            96: #define IO_VGA         0x3C0           /* E/VGA Ports */
        !            97: #define IO_CGA         0x3D0           /* CGA Ports */
        !            98: 
        !            99:                                        /* 0x3E0 - 0x3EF Open */
        !           100: 
        !           101: #define IO_FD1         0x3f0           /* primary base i/o address */
        !           102: #define IO_COM1                0x3f8           /* COM1 i/o address */
        !           103: 
        !           104: #define        IO_ISAEND       0x3FF           /* - 0x3FF End of I/O Registers */
        !           105: #endif IO_ISABEGIN
        !           106: 
        !           107: /*
        !           108:  * Input / Output Memory Physical Addresses
        !           109:  */
        !           110: 
        !           111: #ifndef        IOM_BEGIN
        !           112: #define        IOM_BEGIN       0x0a0000                /* Start of I/O Memory "hole" */
        !           113: #define        IOM_END         0x100000                /* End of I/O Memory "hole" */
        !           114: #define        IOM_SIZE        (IOM_END - IOM_BEGIN)
        !           115: #endif IOM_BEGIN
        !           116: 
        !           117: /*
        !           118:  * RAM Physical Address Space (ignoring the above mentioned "hole")
        !           119:  */
        !           120: 
        !           121: #ifndef        RAM_BEGIN
        !           122: #define        RAM_BEGIN       0x0000000       /* Start of RAM Memory */
        !           123: #define        RAM_END         0x1000000       /* End of RAM Memory */
        !           124: #define        RAM_SIZE        (RAM_END - RAM_BEGIN)
        !           125: #endif RAM_BEGIN
        !           126: 
        !           127: /*
        !           128:  * Oddball Physical Memory Addresses
        !           129:  */
        !           130: #ifndef        COMPAQ_RAMRELOC
        !           131: #define        COMPAQ_RAMRELOC 0x80c00000      /* Compaq RAM relocation/diag */
        !           132: #define        COMPAQ_RAMSETUP 0x80c00002      /* Compaq RAM setup */
        !           133: #define        WEITEK_FPU      0xC0000000      /* WTL 2167 */
        !           134: #define        CYRIX_EMC       0xC0000000      /* Cyrix EMC */
        !           135: #endif COMPAQ_RAMRELOC

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