ofppc/isa/isa_machdep.c

1.3  garbled /* $NetBSD: isa_machdep.c,v 1.3 2007/11/05 15:49:03 garbled Exp $ */
1.2  garbled
1.2  garbled /*-
1.2  garbled  * Copyright (c) 2007 The NetBSD Foundation, Inc.
1.2  garbled  * All rights reserved.
1.2  garbled  *
1.2  garbled  * This code is derived from software contributed to The NetBSD Foundation
1.2  garbled  * by Tim Rightnour
1.2  garbled  *
1.2  garbled  * Redistribution and use in source and binary forms, with or without
1.2  garbled  * modification, are permitted provided that the following conditions
1.2  garbled  * are met:
1.2  garbled  * 1. Redistributions of source code must retain the above copyright
1.2  garbled  *    notice, this list of conditions and the following disclaimer.
1.2  garbled  * 2. Redistributions in binary form must reproduce the above copyright
1.2  garbled  *    notice, this list of conditions and the following disclaimer in the
1.2  garbled  *    documentation and/or other materials provided with the distribution.
1.2  garbled  * 3. All advertising materials mentioning features or use of this software
1.2  garbled  *    must display the following acknowledgement:
1.2  garbled  *        This product includes software developed by the NetBSD
1.2  garbled  *        Foundation, Inc. and its contributors.
1.2  garbled  * 4. Neither the name of The NetBSD Foundation nor the names of its
1.2  garbled  *    contributors may be used to endorse or promote products derived
1.2  garbled  *    from this software without specific prior written permission.
1.2  garbled  *
1.2  garbled  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
1.2  garbled  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
1.2  garbled  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
1.2  garbled  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
1.2  garbled  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
1.2  garbled  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
1.2  garbled  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
1.2  garbled  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
1.2  garbled  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
1.2  garbled  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
1.2  garbled  * POSSIBILITY OF SUCH DAMAGE.
1.2  garbled  */
1.2  garbled
1.2  garbled #include <sys/cdefs.h>
1.3  garbled __KERNEL_RCSID(0, "$NetBSD: isa_machdep.c,v 1.3 2007/11/05 15:49:03 garbled Exp $");
1.2  garbled
1.2  garbled #include <sys/param.h>
1.2  garbled
1.2  garbled #include <machine/bus.h>
1.3  garbled #include <machine/pio.h>
1.2  garbled
1.2  garbled #include <dev/isa/isavar.h>
1.2  garbled #include <dev/isa/isareg.h>
1.2  garbled
1.2  garbled struct powerpc_isa_chipset genppc_ict;
1.3  garbled static u_int32_t ofppc_isa_iobase;
1.2  garbled
1.2  garbled /*
1.2  garbled  * isa_inb and isa_outb are pretty much used to access the 8259's.  This isn't
1.2  garbled  * ideal, but, whatever.  Because of this, this is an ultra-stripped down
1.2  garbled  * version of those funcitons, just to satisfy the pic driver.
1.3  garbled  * This is completely reliant on the fact that the region should be BAT mapped
1.3  garbled  * in, and NOT mapped via bus_space_map.  If you bus_space_map a register
1.3  garbled  * and then attempt to use isa_*b, you will lose.
1.2  garbled  */
1.2  garbled
1.2  garbled int
1.3  garbled map_isa_ioregs(u_int32_t addr)
1.2  garbled {
1.3  garbled 	if (addr) {
1.3  garbled 		ofppc_isa_iobase = addr;
1.3  garbled 		return 1;
1.3  garbled 	}
1.3  garbled 	return 0;
1.2  garbled }
1.2  garbled
1.2  garbled uint8_t
1.2  garbled isa_inb(uint32_t addr)
1.2  garbled {
1.3  garbled 	return(inb(ofppc_isa_iobase | addr));
1.2  garbled }
1.2  garbled
1.2  garbled void
1.2  garbled isa_outb(uint32_t addr, uint8_t val)
1.2  garbled {
1.3  garbled 	outb(ofppc_isa_iobase | addr, val);
1.2  garbled }