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Annotation of sys/arch/alpha/pci/cia_bwx_bus_io.c, Revision 1.1

1.1     ! nbrk        1: /* $OpenBSD: cia_bwx_bus_io.c,v 1.3 2001/11/06 19:53:13 miod Exp $ */
        !             2: /* $NetBSD: cia_bwx_bus_io.c,v 1.3 2000/06/29 08:58:46 mrg Exp $ */
        !             3:
        !             4: /*
        !             5:  * Copyright (c) 1996 Carnegie-Mellon University.
        !             6:  * All rights reserved.
        !             7:  *
        !             8:  * Author: Chris G. Demetriou
        !             9:  *
        !            10:  * Permission to use, copy, modify and distribute this software and
        !            11:  * its documentation is hereby granted, provided that both the copyright
        !            12:  * notice and this permission notice appear in all copies of the
        !            13:  * software, derivative works or modified versions, and any portions
        !            14:  * thereof, and that both notices appear in supporting documentation.
        !            15:  *
        !            16:  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
        !            17:  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
        !            18:  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
        !            19:  *
        !            20:  * Carnegie Mellon requests users of this software to return to
        !            21:  *
        !            22:  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
        !            23:  *  School of Computer Science
        !            24:  *  Carnegie Mellon University
        !            25:  *  Pittsburgh PA 15213-3890
        !            26:  *
        !            27:  * any improvements or extensions that they make and grant Carnegie the
        !            28:  * rights to redistribute these changes.
        !            29:  */
        !            30:
        !            31: #include <sys/param.h>
        !            32: #include <sys/systm.h>
        !            33: #include <sys/malloc.h>
        !            34: #include <sys/syslog.h>
        !            35: #include <sys/device.h>
        !            36:
        !            37: #include <uvm/uvm_extern.h>
        !            38:
        !            39: #include <machine/bus.h>
        !            40:
        !            41: #include <alpha/pci/ciareg.h>
        !            42: #include <alpha/pci/ciavar.h>
        !            43:
        !            44: #define        CHIP            cia_bwx
        !            45:
        !            46: #define        CHIP_EX_MALLOC_SAFE(v)  (((struct cia_config *)(v))->cc_mallocsafe)
        !            47: #define        CHIP_IO_EXTENT(v)       (((struct cia_config *)(v))->cc_io_ex)
        !            48:
        !            49: #define        CHIP_IO_SYS_START(v)    CIA_EV56_BWIO
        !            50:
        !            51: /*
        !            52:  * CIA core logic with BWX enabled appears on EV56 and PCA56.  We
        !            53:  * require at least EV56 support for the assembler to emit BWX opcodes.
        !            54:  */
        !            55: __asm(".arch ev56");
        !            56:
        !            57: #include <alpha/pci/pci_bwx_bus_io_chipdep.c>