2 * Copyright (c) 2001 by Thomas Moestl <tmm@FreeBSD.org>.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
18 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
20 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
21 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
22 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
23 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 * Some Open Firmware helper functions that are likely machine dependent.
32 #include <sys/param.h>
34 #include <sys/systm.h>
36 #include <net/ethernet.h>
38 #include <dev/ofw/ofw_bus.h>
39 #include <dev/ofw/openfirm.h>
41 #include <machine/bus.h>
42 #include <machine/idprom.h>
43 #include <machine/ofw_machdep.h>
44 #include <machine/ofw_upa.h>
45 #include <machine/resource.h>
47 #include <sparc64/pci/ofw_pci.h>
48 #include <sparc64/isa/ofw_isa.h>
49 #include <sparc64/sbus/ofw_sbus.h>
52 OF_getetheraddr(device_t dev, u_char *addr)
54 char buf[sizeof("true")];
58 if ((node = OF_finddevice("/options")) > 0 &&
59 OF_getprop(node, "local-mac-address?", buf, sizeof(buf)) > 0) {
60 buf[sizeof(buf) - 1] = '\0';
61 if (strcmp(buf, "true") == 0 &&
62 (node = ofw_bus_get_node(dev)) > 0 &&
63 OF_getprop(node, "local-mac-address", addr,
64 ETHER_ADDR_LEN) == ETHER_ADDR_LEN)
69 if (node <= 0 || OF_getprop(node, "idprom", &idp, sizeof(idp)) == -1)
70 panic("Could not determine the machine ethernet address");
71 bcopy(&idp.id_ether, addr, ETHER_ADDR_LEN);
75 OF_decode_addr(phandle_t node, int *space, bus_addr_t *addr)
79 struct isa_ranges isa[4];
80 struct sbus_ranges sbus[8];
81 struct upa_ranges upa[4];
85 struct sbus_regs sbus;
88 u_long child, dummy, phys;
91 bus = OF_parent(node);
94 if (OF_getprop(bus, "name", name, sizeof(name)) == -1)
96 name[sizeof(name) - 1] = '\0';
97 if (strcmp(name, "ebus") == 0 || strcmp(name, "isa") == 0) {
98 if (OF_getprop(node, "reg", ®.isa, sizeof(reg.isa)) == -1)
100 rsz = OF_getprop(bus, "ranges", range.isa, sizeof(range.isa));
103 phys = ISA_REG_PHYS(®.isa);
105 type = ofw_isa_range_map(range.isa, rsz / sizeof(*range.isa),
106 &phys, &dummy, NULL);
107 if (type == SYS_RES_MEMORY) {
109 *space = PCI_MEMORY_BUS_SPACE;
112 *space = PCI_IO_BUS_SPACE;
115 /* Find the topmost PCI node (the host bridge) */
117 pbus = OF_parent(bus);
120 if (OF_getprop(pbus, "name", name, sizeof(name)) == -1)
122 name[sizeof(name) - 1] = '\0';
123 if (strcmp(name, "pci") != 0)
128 /* There wasn't a PCI bridge. */
129 if (bus == OF_parent(node))
132 /* Make sure we reached the UPA/PCI node. */
133 if (OF_getprop(pbus, "device_type", name, sizeof(name)) == -1)
135 name[sizeof(name) - 1] = '\0';
136 if (strcmp(name, "upa") != 0)
139 rsz = OF_getprop(bus, "ranges", range.upa, sizeof(range.upa));
142 for (i = 0; i < (rsz / sizeof(range.upa[0])); i++) {
143 child = UPA_RANGE_CHILD(&range.upa[i]);
144 if (UPA_RANGE_CS(&range.upa[i]) == cs &&
146 phys - child < UPA_RANGE_SIZE(&range.upa[i])) {
147 *addr = UPA_RANGE_PHYS(&range.upa[i]) + phys;
151 } else if (strcmp(name, "sbus") == 0) {
152 if (OF_getprop(node, "reg", ®.sbus, sizeof(reg.sbus)) == -1)
154 rsz = OF_getprop(bus, "ranges", range.sbus,
158 for (i = 0; i < (rsz / sizeof(range.sbus[0])); i++) {
159 if (reg.sbus.sbr_slot != range.sbus[i].cspace)
161 if (reg.sbus.sbr_offset < range.sbus[i].coffset ||
162 reg.sbus.sbr_offset >= range.sbus[i].coffset +
166 phys = range.sbus[i].poffset |
167 ((bus_addr_t)range.sbus[i].pspace << 32);
168 phys += reg.sbus.sbr_offset - range.sbus[i].coffset;
170 *space = SBUS_BUS_SPACE;