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Annotation of sys/arch/mvme68k/dev/nvramreg.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: nvramreg.h,v 1.4 2003/06/02 23:27:50 millert 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:
        !            41: /*
        !            42:  * Mostek MK48T02 clock.
        !            43:  */
        !            44: struct clockreg {
        !            45:        volatile u_char cl_csr;         /* control register */
        !            46:        volatile u_char cl_sec;         /* seconds (0..59; BCD) */
        !            47:        volatile u_char cl_min;         /* minutes (0..59; BCD) */
        !            48:        volatile u_char cl_hour;        /* hour (0..23; BCD) */
        !            49:        volatile u_char cl_wday;        /* weekday (1..7) */
        !            50:        volatile u_char cl_mday;        /* day in month (1..31; BCD) */
        !            51:        volatile u_char cl_month;       /* month (1..12; BCD) */
        !            52:        volatile u_char cl_year;        /* year (0..99; BCD) */
        !            53: };
        !            54:
        !            55: /* bits in cl_csr */
        !            56: #define        CLK_WRITE       0x80            /* want to write */
        !            57: #define        CLK_READ        0x40            /* want to read (freeze clock) */
        !            58:
        !            59: /*
        !            60:  * Motorola chose the year `1900' as their base count.
        !            61:  * XXX what happens when it wraps?
        !            62:  */
        !            63: #define        YEAR0   0
        !            64:
        !            65: #define MK48T02_SIZE   2*1024
        !            66: #define MK48T08_SIZE   8*1024