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Annotation of sys/arch/mvmeppc/dev/nvramreg.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: nvramreg.h,v 1.5 2007/04/10 17:47:54 miod Exp $ */
        !             2:
        !             3: /*
        !             4:  * Copyright (c) 1992, 1993
        !             5:  *     The Regents of the University of California.  All rights reserved.
        !             6:  *
        !             7:  * This software was developed by the Computer Systems Engineering group
        !             8:  * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
        !             9:  * contributed to Berkeley.
        !            10:  *
        !            11:  * All advertising materials mentioning features or use of this software
        !            12:  * must display the following acknowledgement:
        !            13:  *     This product includes software developed by the University of
        !            14:  *     California, Lawrence Berkeley Laboratory.
        !            15:  *
        !            16:  * Redistribution and use in source and binary forms, with or without
        !            17:  * modification, are permitted provided that the following conditions
        !            18:  * are met:
        !            19:  * 1. Redistributions of source code must retain the above copyright
        !            20:  *    notice, this list of conditions and the following disclaimer.
        !            21:  * 2. Redistributions in binary form must reproduce the above copyright
        !            22:  *    notice, this list of conditions and the following disclaimer in the
        !            23:  *    documentation and/or other materials provided with the distribution.
        !            24:  * 3. Neither the name of the University nor the names of its contributors
        !            25:  *    may be used to endorse or promote products derived from this software
        !            26:  *    without specific prior written permission.
        !            27:  *
        !            28:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            29:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            30:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            31:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            32:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            33:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            34:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            35:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            36:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            37:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            38:  * SUCH DAMAGE.
        !            39:  *
        !            40:  *     @(#)clockreg.h  8.1 (Berkeley) 6/11/93
        !            41:  */
        !            42:
        !            43: /*
        !            44:  * mvme2x00 Mostek TOD clock/NVRAM
        !            45:  */
        !            46:
        !            47: /*
        !            48:  * Mostek MK48T59 clock.
        !            49:  *
        !            50:  * This chip is 8k in size.
        !            51:  * The first TOD clock starts at offset 0x1FF8. The following structure
        !            52:  * describes last 2K of its 8K address space. The first 6K of the NVRAM
        !            53:  * space is used for various things as follows:
        !            54:  *     0000-0fff       User Area
        !            55:  *     1000-10ff       Networking Area
        !            56:  *     1100-16f7       Operating System Area
        !            57:  *     16f8-1ef7       ROM Debugger Area
        !            58:  *     1ef8-1ff7       Configuration Area (Ethernet address etc)
        !            59:  *     1ff8-1fff       TOD clock
        !            60:  */
        !            61:
        !            62: #define        NVRAM_BASE              0x80000000      /* access thrugh ISA space! */
        !            63: #define NVRAM_S0               0x00000074
        !            64: #define NVRAM_S1               0x00000075
        !            65: #define NVRAM_DATA             0x00000077
        !            66:
        !            67: #define        NVRAM_SIZE              0x2000
        !            68:
        !            69: #define RTC_SECONDS            0x1FF9
        !            70: #define RTC_MINUTES            0x1FFA
        !            71: #define RTC_HOURS              0x1FFB
        !            72: #define RTC_DAY_OF_WEEK                0x1FFC
        !            73: #define RTC_DAY_OF_MONTH       0x1FFD
        !            74: #define RTC_MONTH              0x1FFE
        !            75: #define RTC_YEAR               0x1FFF
        !            76:
        !            77: #define RTC_CONTROLA           0x1FF8
        !            78: #define RTC_CA_WRITE           0x80
        !            79: #define RTC_CA_READ            0x40
        !            80: #define RTC_CA_CALIB_SIGN      0x20
        !            81: #define RTC_CA_CALIB_MASK      0x1f
        !            82:
        !            83: #define RTC_CONTROLB           0x1FF9
        !            84: #define RTC_CB_STOP            0x80
        !            85: