Return to iop.c CVS log

Up to [local] / sys / arch / mac68k / mac68k

Annotation of sys/arch/mac68k/mac68k/iop.c, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: iop.c,v 1.1 2006/01/22 13:53:16 miod Exp $    */
        !             2: /*     $NetBSD: iop.c,v 1.10 2005/12/24 23:24:00 perry Exp $   */
        !             3:
        !             4: /*
        !             5:  * Copyright (c) 2000 Allen Briggs.
        !             6:  * All rights reserved.
        !             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. The name of the author may not be used to endorse or promote products
        !            17:  *    derived from this software without specific prior written permission.
        !            18:  *
        !            19:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
        !            20:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
        !            21:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
        !            22:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
        !            23:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
        !            24:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
        !            25:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
        !            26:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
        !            27:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
        !            28:  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
        !            29:  */
        !            30:
        !            31: #include <sys/param.h>
        !            32: #include <sys/systm.h>
        !            33:
        !            34: #include <machine/cpu.h>
        !            35: #include <machine/iop.h>
        !            36: #include <machine/viareg.h>
        !            37:
        !            38: IOPHW  *mac68k_iops[2];
        !            39:
        !            40: void
        !            41: iop_serial_compatible()
        !            42: {
        !            43:        IOPHW *ioph;
        !            44:
        !            45:        switch (current_mac_model->machineid) {
        !            46:        case MACH_MACQ900:
        !            47:        case MACH_MACQ950:
        !            48:                mac68k_iops[SCC_IOP] = (IOPHW *)((u_char *)IOBase +  0xc000);
        !            49:                mac68k_iops[ISM_IOP] = (IOPHW *)((u_char *)IOBase + 0x1e000);
        !            50:                break;
        !            51:        case MACH_MACIIFX:
        !            52:                mac68k_iops[SCC_IOP] = (IOPHW *)((u_char *)IOBase +  0x4000);
        !            53:                mac68k_iops[ISM_IOP] = (IOPHW *)((u_char *)IOBase + 0x12000);
        !            54:                break;
        !            55:        default:
        !            56:                return;
        !            57:        }
        !            58:
        !            59:        ioph = mac68k_iops[SCC_IOP];
        !            60:        ioph->control_status = 0;               /* Reset */
        !            61:        ioph->control_status = IOP_BYPASS;      /* Set to bypass */
        !            62:
        !            63:        ioph = mac68k_iops[ISM_IOP];
        !            64:        ioph->control_status = 0;               /* Reset */
        !            65: }