1 /* $NetBSD: irongate_bus_io.c,v 1.5 2008/04/28 20:23:11 martin Exp $ */ 2 3 /*- 4 * Copyright (c) 2000 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> /* RCS ID & Copyright macro defns */ 33 34 __KERNEL_RCSID(1, "$NetBSD: irongate_bus_io.c,v 1.5 2008/04/28 20:23:11 martin Exp $"); 35 36 #include <sys/param.h> 37 #include <sys/systm.h> 38 #include <sys/malloc.h> 39 #include <sys/syslog.h> 40 #include <sys/device.h> 41 42 #include <uvm/uvm_extern.h> 43 44 #include <machine/bus.h> 45 46 #include <alpha/pci/irongatereg.h> 47 #include <alpha/pci/irongatevar.h> 48 49 #define CHIP irongate 50 51 #define CHIP_EX_MALLOC_SAFE(v) (((struct irongate_config *)(v))->ic_mallocsafe) 52 #define CHIP_IO_EXTENT(v) (((struct irongate_config *)(v))->ic_io_ex) 53 54 #define CHIP_IO_SYS_START(v) IRONGATE_IO_BASE 55 56 /* 57 * AMD 751 core logic appears on EV6. We require at least EV56 58 * support for the assembler to emit BWX opcodes. 59 */ 60 __asm(".arch ev6"); 61 62 #include <alpha/pci/pci_bwx_bus_io_chipdep.c> 63