if_gem_pci.c revision 1.1.2.2 1 1.1.2.2 nathanw /* $NetBSD: if_gem_pci.c,v 1.1.2.2 2001/09/21 22:35:55 nathanw Exp $ */
2 1.1.2.2 nathanw
3 1.1.2.2 nathanw /*
4 1.1.2.2 nathanw *
5 1.1.2.2 nathanw * Copyright (C) 2001 Eduardo Horvath.
6 1.1.2.2 nathanw * All rights reserved.
7 1.1.2.2 nathanw *
8 1.1.2.2 nathanw *
9 1.1.2.2 nathanw * Redistribution and use in source and binary forms, with or without
10 1.1.2.2 nathanw * modification, are permitted provided that the following conditions
11 1.1.2.2 nathanw * are met:
12 1.1.2.2 nathanw * 1. Redistributions of source code must retain the above copyright
13 1.1.2.2 nathanw * notice, this list of conditions and the following disclaimer.
14 1.1.2.2 nathanw * 2. Redistributions in binary form must reproduce the above copyright
15 1.1.2.2 nathanw * notice, this list of conditions and the following disclaimer in the
16 1.1.2.2 nathanw * documentation and/or other materials provided with the distribution.
17 1.1.2.2 nathanw *
18 1.1.2.2 nathanw * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND
19 1.1.2.2 nathanw * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 1.1.2.2 nathanw * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 1.1.2.2 nathanw * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE
22 1.1.2.2 nathanw * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 1.1.2.2 nathanw * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 1.1.2.2 nathanw * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 1.1.2.2 nathanw * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 1.1.2.2 nathanw * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 1.1.2.2 nathanw * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 1.1.2.2 nathanw * SUCH DAMAGE.
29 1.1.2.2 nathanw *
30 1.1.2.2 nathanw */
31 1.1.2.2 nathanw
32 1.1.2.2 nathanw /*
33 1.1.2.2 nathanw * PCI bindings for Sun GEM ethernet controllers.
34 1.1.2.2 nathanw */
35 1.1.2.2 nathanw
36 1.1.2.2 nathanw #include <sys/param.h>
37 1.1.2.2 nathanw #include <sys/systm.h>
38 1.1.2.2 nathanw #include <sys/malloc.h>
39 1.1.2.2 nathanw #include <sys/kernel.h>
40 1.1.2.2 nathanw #include <sys/socket.h>
41 1.1.2.2 nathanw #include <sys/errno.h>
42 1.1.2.2 nathanw #include <sys/device.h>
43 1.1.2.2 nathanw
44 1.1.2.2 nathanw #include <machine/endian.h>
45 1.1.2.2 nathanw
46 1.1.2.2 nathanw #include <uvm/uvm_extern.h>
47 1.1.2.2 nathanw
48 1.1.2.2 nathanw #include <net/if.h>
49 1.1.2.2 nathanw #include <net/if_dl.h>
50 1.1.2.2 nathanw #include <net/if_media.h>
51 1.1.2.2 nathanw #include <net/if_ether.h>
52 1.1.2.2 nathanw
53 1.1.2.2 nathanw #if NBPFILTER > 0
54 1.1.2.2 nathanw #include <net/bpf.h>
55 1.1.2.2 nathanw #endif
56 1.1.2.2 nathanw
57 1.1.2.2 nathanw #include <machine/bus.h>
58 1.1.2.2 nathanw #include <machine/intr.h>
59 1.1.2.2 nathanw
60 1.1.2.2 nathanw #include <dev/mii/mii.h>
61 1.1.2.2 nathanw #include <dev/mii/miivar.h>
62 1.1.2.2 nathanw #include <dev/mii/mii_bitbang.h>
63 1.1.2.2 nathanw
64 1.1.2.2 nathanw #include <dev/ic/gemreg.h>
65 1.1.2.2 nathanw #include <dev/ic/gemvar.h>
66 1.1.2.2 nathanw
67 1.1.2.2 nathanw #include <dev/pci/pcivar.h>
68 1.1.2.2 nathanw #include <dev/pci/pcireg.h>
69 1.1.2.2 nathanw #include <dev/pci/pcidevs.h>
70 1.1.2.2 nathanw
71 1.1.2.2 nathanw struct gem_pci_softc {
72 1.1.2.2 nathanw struct gem_softc gsc_gem; /* GEM device */
73 1.1.2.2 nathanw bus_space_tag_t gsc_memt;
74 1.1.2.2 nathanw bus_space_handle_t gsc_memh;
75 1.1.2.2 nathanw void *gsc_ih;
76 1.1.2.2 nathanw };
77 1.1.2.2 nathanw
78 1.1.2.2 nathanw int gem_match_pci __P((struct device *, struct cfdata *, void *));
79 1.1.2.2 nathanw void gem_attach_pci __P((struct device *, struct device *, void *));
80 1.1.2.2 nathanw
81 1.1.2.2 nathanw struct cfattach gem_pci_ca = {
82 1.1.2.2 nathanw sizeof(struct gem_pci_softc), gem_match_pci, gem_attach_pci
83 1.1.2.2 nathanw };
84 1.1.2.2 nathanw
85 1.1.2.2 nathanw /*
86 1.1.2.2 nathanw * Attach routines need to be split out to different bus-specific files.
87 1.1.2.2 nathanw */
88 1.1.2.2 nathanw
89 1.1.2.2 nathanw int
90 1.1.2.2 nathanw gem_match_pci(parent, cf, aux)
91 1.1.2.2 nathanw struct device *parent;
92 1.1.2.2 nathanw struct cfdata *cf;
93 1.1.2.2 nathanw void *aux;
94 1.1.2.2 nathanw {
95 1.1.2.2 nathanw struct pci_attach_args *pa = aux;
96 1.1.2.2 nathanw
97 1.1.2.2 nathanw if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_SUN &&
98 1.1.2.2 nathanw (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_SUN_ERINETWORK ||
99 1.1.2.2 nathanw PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_SUN_GEMNETWORK))
100 1.1.2.2 nathanw return (1);
101 1.1.2.2 nathanw
102 1.1.2.2 nathanw if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_APPLE &&
103 1.1.2.2 nathanw (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_APPLE_GMAC ||
104 1.1.2.2 nathanw PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_APPLE_GMAC2))
105 1.1.2.2 nathanw return (1);
106 1.1.2.2 nathanw
107 1.1.2.2 nathanw
108 1.1.2.2 nathanw return (0);
109 1.1.2.2 nathanw }
110 1.1.2.2 nathanw
111 1.1.2.2 nathanw void
112 1.1.2.2 nathanw gem_attach_pci(parent, self, aux)
113 1.1.2.2 nathanw struct device *parent, *self;
114 1.1.2.2 nathanw void *aux;
115 1.1.2.2 nathanw {
116 1.1.2.2 nathanw struct pci_attach_args *pa = aux;
117 1.1.2.2 nathanw struct gem_pci_softc *gsc = (void *)self;
118 1.1.2.2 nathanw struct gem_softc *sc = &gsc->gsc_gem;
119 1.1.2.2 nathanw pci_intr_handle_t intrhandle;
120 1.1.2.2 nathanw #ifdef __sparc__
121 1.1.2.2 nathanw /* XXX the following declarations should be elsewhere */
122 1.1.2.2 nathanw extern void myetheraddr __P((u_char *));
123 1.1.2.2 nathanw #endif
124 1.1.2.2 nathanw const char *intrstr;
125 1.1.2.2 nathanw int type;
126 1.1.2.2 nathanw
127 1.1.2.2 nathanw if (pa->pa_memt) {
128 1.1.2.2 nathanw type = PCI_MAPREG_TYPE_MEM;
129 1.1.2.2 nathanw sc->sc_bustag = pa->pa_memt;
130 1.1.2.2 nathanw } else {
131 1.1.2.2 nathanw type = PCI_MAPREG_TYPE_IO;
132 1.1.2.2 nathanw sc->sc_bustag = pa->pa_iot;
133 1.1.2.2 nathanw }
134 1.1.2.2 nathanw
135 1.1.2.2 nathanw sc->sc_dmatag = pa->pa_dmat;
136 1.1.2.2 nathanw
137 1.1.2.2 nathanw sc->sc_pci = 1; /* XXXXX should all be done in bus_dma. */
138 1.1.2.2 nathanw
139 1.1.2.2 nathanw #define PCI_GEM_BASEADDR 0x10
140 1.1.2.2 nathanw if (pci_mapreg_map(pa, PCI_GEM_BASEADDR, type, 0,
141 1.1.2.2 nathanw &gsc->gsc_memt, &gsc->gsc_memh, NULL, NULL) != 0)
142 1.1.2.2 nathanw {
143 1.1.2.2 nathanw printf(": could not map gem registers\n");
144 1.1.2.2 nathanw return;
145 1.1.2.2 nathanw }
146 1.1.2.2 nathanw
147 1.1.2.2 nathanw sc->sc_bustag = gsc->gsc_memt;
148 1.1.2.2 nathanw sc->sc_h = gsc->gsc_memh;
149 1.1.2.2 nathanw
150 1.1.2.2 nathanw #if 0
151 1.1.2.2 nathanw /* SBUS compatible stuff? */
152 1.1.2.2 nathanw sc->sc_seb = gsc->gsc_memh;
153 1.1.2.2 nathanw sc->sc_etx = gsc->gsc_memh + 0x2000;
154 1.1.2.2 nathanw sc->sc_erx = gsc->gsc_memh + 0x4000;
155 1.1.2.2 nathanw sc->sc_mac = gsc->gsc_memh + 0x6000;
156 1.1.2.2 nathanw sc->sc_mif = gsc->gsc_memh + 0x7000;
157 1.1.2.2 nathanw #endif
158 1.1.2.2 nathanw #ifdef __sparc__
159 1.1.2.2 nathanw myetheraddr(sc->sc_enaddr);
160 1.1.2.2 nathanw #endif
161 1.1.2.2 nathanw
162 1.1.2.2 nathanw sc->sc_burst = 16; /* XXX */
163 1.1.2.2 nathanw
164 1.1.2.2 nathanw /*
165 1.1.2.2 nathanw * call the main configure
166 1.1.2.2 nathanw */
167 1.1.2.2 nathanw gem_config(sc);
168 1.1.2.2 nathanw
169 1.1.2.2 nathanw if (pci_intr_map(pa, &intrhandle) != 0) {
170 1.1.2.2 nathanw printf("%s: couldn't map interrupt\n",
171 1.1.2.2 nathanw sc->sc_dev.dv_xname);
172 1.1.2.2 nathanw return; /* bus_unmap ? */
173 1.1.2.2 nathanw }
174 1.1.2.2 nathanw intrstr = pci_intr_string(pa->pa_pc, intrhandle);
175 1.1.2.2 nathanw gsc->gsc_ih = pci_intr_establish(pa->pa_pc,
176 1.1.2.2 nathanw intrhandle, IPL_NET, gem_intr, sc);
177 1.1.2.2 nathanw if (gsc->gsc_ih != NULL) {
178 1.1.2.2 nathanw printf("%s: using %s for interrupt\n",
179 1.1.2.2 nathanw sc->sc_dev.dv_xname,
180 1.1.2.2 nathanw intrstr ? intrstr : "unknown interrupt");
181 1.1.2.2 nathanw } else {
182 1.1.2.2 nathanw printf("%s: couldn't establish interrupt",
183 1.1.2.2 nathanw sc->sc_dev.dv_xname);
184 1.1.2.2 nathanw if (intrstr != NULL)
185 1.1.2.2 nathanw printf(" at %s", intrstr);
186 1.1.2.2 nathanw printf("\n");
187 1.1.2.2 nathanw return; /* bus_unmap ? */
188 1.1.2.2 nathanw }
189 1.1.2.2 nathanw }
190