1/*- 2 * Copyright (c) 1999, 2000 Matthew R. Green 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * from: NetBSD: ebus.c,v 1.52 2008/05/29 14:51:26 mrg Exp 29 */ 30/*- 31 * Copyright (c) 2001, 2003 Thomas Moestl <tmm@FreeBSD.org> 32 * All rights reserved. 33 * 34 * Redistribution and use in source and binary forms, with or without 35 * modification, are permitted provided that the following conditions 36 * are met: 37 * 1. Redistributions of source code must retain the above copyright 38 * notice, this list of conditions and the following disclaimer. 39 * 2. Redistributions in binary form must reproduce the above copyright 40 * notice, this list of conditions and the following disclaimer in the 41 * documentation and/or other materials provided with the distribution. 42 * 3. The name of the author may not be used to endorse or promote products 43 * derived from this software without specific prior written permission. 44 * 45 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 46 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 47 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 48 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 49 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 50 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 51 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 52 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 53 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 54 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 55 * SUCH DAMAGE. 56 */ 57 58#include <sys/cdefs.h> 59__FBSDID("$FreeBSD$"); 60 61/* 62 * Helper functions which can be used in both ISA and EBus code. 63 */ 64 65#include <sys/param.h> 66#include <sys/systm.h> 67#include <sys/bus.h> 68 69#include <dev/ofw/ofw_bus_subr.h> 70#include <dev/ofw/openfirm.h> 71 72#include <machine/bus.h> 73#include <machine/resource.h> 74 75#include <sparc64/pci/ofw_pci.h> 76#include <sparc64/isa/ofw_isa.h> 77 78#include "pcib_if.h" 79 80int 81ofw_isa_range_restype(struct isa_ranges *range) 82{ 83 int ps = ISA_RANGE_PS(range); 84 85 switch (ps) { 86 case OFW_PCI_CS_IO: 87 return (SYS_RES_IOPORT); 88 case OFW_PCI_CS_MEM32: 89 return (SYS_RES_MEMORY); 90 default: 91 panic("ofw_isa_range_restype: illegal space %x", ps); 92 } 93 94} 95 96/* XXX: this only supports PCI as parent bus right now. */ 97int 98ofw_isa_range_map(struct isa_ranges *range, int nrange, u_long *start, 99 u_long *end, int *which) 100{ 101 struct isa_ranges *r; 102 uint64_t offs, cstart, cend; 103 int i; 104 105 for (i = 0; i < nrange; i++) { 106 r = &range[i]; 107 cstart = ISA_RANGE_CHILD(r); 108 cend = cstart + r->size - 1; 109 if (*start < cstart || *start > cend) 110 continue; 111 if (*end < cstart || *end > cend) { 112 panic("ofw_isa_map_iorange: iorange crosses PCI " 113 "ranges (%#lx not in %#lx - %#lx)", *end, cstart, 114 cend); 115 } 116 offs = ISA_RANGE_PHYS(r); 117 *start = *start + offs - cstart; 118 *end = *end + offs - cstart; 119 if (which != NULL) 120 *which = i; 121 return (ofw_isa_range_restype(r)); 122 } 123 panic("ofw_isa_map_iorange: could not map range %#lx - %#lx", 124 *start, *end); 125} 126 127ofw_pci_intr_t 128ofw_isa_route_intr(device_t bridge, phandle_t node, struct ofw_bus_iinfo *ii, 129 ofw_isa_intr_t intr) 130{ 131 struct isa_regs reg; 132 device_t pbridge; 133 ofw_isa_intr_t mintr; 134 135 pbridge = device_get_parent(device_get_parent(bridge)); 136 /* 137 * If we get a match from using the map, the resulting INO is 138 * fully specified, so we may not continue to map. 139 */ 140 if (!ofw_bus_lookup_imap(node, ii, ®, sizeof(reg), 141 &intr, sizeof(intr), &mintr, sizeof(mintr), NULL)) { 142 /* Try routing at the parent bridge. */ 143 mintr = PCIB_ROUTE_INTERRUPT(pbridge, bridge, intr); 144 } 145 return (mintr); 146} 147