1 | /* $NetBSD: if_ep_pci.c,v 1.53 2014/03/29 19:28:24 christos Exp $ */ |
2 | |
3 | /*- |
4 | * Copyright (c) 1998 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 of the Numerical Aerospace Simulation Facility, |
9 | * NASA Ames Research Center. |
10 | * |
11 | * Redistribution and use in source and binary forms, with or without |
12 | * modification, are permitted provided that the following conditions |
13 | * are met: |
14 | * 1. Redistributions of source code must retain the above copyright |
15 | * notice, this list of conditions and the following disclaimer. |
16 | * 2. Redistributions in binary form must reproduce the above copyright |
17 | * notice, this list of conditions and the following disclaimer in the |
18 | * documentation and/or other materials provided with the distribution. |
19 | * |
20 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
21 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
22 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
23 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
24 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
25 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
26 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
27 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
28 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
29 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
30 | * POSSIBILITY OF SUCH DAMAGE. |
31 | */ |
32 | |
33 | /* |
34 | * Copyright (c) 1997 Jonathan Stone <jonathan@NetBSD.org> |
35 | * Copyright (c) 1994 Herb Peyerl <hpeyerl@beer.org> |
36 | * All rights reserved. |
37 | * |
38 | * Redistribution and use in source and binary forms, with or without |
39 | * modification, are permitted provided that the following conditions |
40 | * are met: |
41 | * 1. Redistributions of source code must retain the above copyright |
42 | * notice, this list of conditions and the following disclaimer. |
43 | * 2. Redistributions in binary form must reproduce the above copyright |
44 | * notice, this list of conditions and the following disclaimer in the |
45 | * documentation and/or other materials provided with the distribution. |
46 | * 3. All advertising materials mentioning features or use of this software |
47 | * must display the following acknowledgement: |
48 | * This product includes software developed by Herb Peyerl. |
49 | * 4. The name of Herb Peyerl may not be used to endorse or promote products |
50 | * derived from this software without specific prior written permission. |
51 | * |
52 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
53 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
54 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
55 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
56 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
57 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
58 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
59 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
60 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
61 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
62 | */ |
63 | |
64 | #include <sys/cdefs.h> |
65 | __KERNEL_RCSID(0, "$NetBSD: if_ep_pci.c,v 1.53 2014/03/29 19:28:24 christos Exp $" ); |
66 | |
67 | #include <sys/param.h> |
68 | #include <sys/systm.h> |
69 | #include <sys/mbuf.h> |
70 | #include <sys/socket.h> |
71 | #include <sys/ioctl.h> |
72 | #include <sys/errno.h> |
73 | #include <sys/syslog.h> |
74 | #include <sys/select.h> |
75 | #include <sys/device.h> |
76 | |
77 | #include <net/if.h> |
78 | #include <net/if_dl.h> |
79 | #include <net/if_ether.h> |
80 | #include <net/if_media.h> |
81 | |
82 | #include <sys/cpu.h> |
83 | #include <sys/bus.h> |
84 | #include <sys/intr.h> |
85 | |
86 | #include <dev/mii/miivar.h> |
87 | |
88 | #include <dev/ic/elink3var.h> |
89 | #include <dev/ic/elink3reg.h> |
90 | |
91 | #include <dev/pci/pcivar.h> |
92 | #include <dev/pci/pcireg.h> |
93 | #include <dev/pci/pcidevs.h> |
94 | |
95 | /* |
96 | * PCI constants. |
97 | */ |
98 | #define PCI_CBIO PCI_BAR(0) /* Configuration Base IO Address */ |
99 | |
100 | static int ep_pci_match(device_t , cfdata_t, void *); |
101 | static void ep_pci_attach(device_t , device_t , void *); |
102 | |
103 | CFATTACH_DECL_NEW(ep_pci, sizeof(struct ep_softc), |
104 | ep_pci_match, ep_pci_attach, NULL, NULL); |
105 | |
106 | static struct ep_pci_product { |
107 | u_int32_t epp_prodid; /* PCI product ID */ |
108 | u_short epp_chipset; /* 3Com chipset used */ |
109 | int epp_flags; /* initial softc flags */ |
110 | const char *epp_name; /* device name */ |
111 | } ep_pci_products[] = { |
112 | { PCI_PRODUCT_3COM_3C590, ELINK_CHIPSET_VORTEX, |
113 | 0, |
114 | "3c590 Ethernet" }, |
115 | |
116 | /* |
117 | * Note: The 3c595-MII is an MII connector for an |
118 | * external PHY. We treat it as `manual' in the |
119 | * core driver. |
120 | */ |
121 | { PCI_PRODUCT_3COM_3C595TX, ELINK_CHIPSET_VORTEX, |
122 | 0, |
123 | "3c595-TX 10/100 Ethernet" }, |
124 | { PCI_PRODUCT_3COM_3C595T4, ELINK_CHIPSET_VORTEX, |
125 | 0, |
126 | "3c595-T4 10/100 Ethernet" }, |
127 | { PCI_PRODUCT_3COM_3C595MII, ELINK_CHIPSET_VORTEX, |
128 | 0, |
129 | "3c595-MII 10/100 Ethernet" }, |
130 | |
131 | { PCI_PRODUCT_3COM_3C900TPO, ELINK_CHIPSET_BOOMERANG, |
132 | 0, |
133 | "3c900-TPO Ethernet" }, |
134 | { PCI_PRODUCT_3COM_3C900COMBO, ELINK_CHIPSET_BOOMERANG, |
135 | 0, |
136 | "3c900-COMBO Ethernet" }, |
137 | |
138 | { PCI_PRODUCT_3COM_3C905TX, ELINK_CHIPSET_BOOMERANG, |
139 | ELINK_FLAGS_MII, |
140 | "3c905-TX 10/100 Ethernet" }, |
141 | { PCI_PRODUCT_3COM_3C905T4, ELINK_CHIPSET_BOOMERANG, |
142 | ELINK_FLAGS_MII, |
143 | "3c905-T4 10/100 Ethernet" }, |
144 | |
145 | { 0, 0, |
146 | 0, NULL }, |
147 | }; |
148 | |
149 | static const struct ep_pci_product * |
150 | ep_pci_lookup(const struct pci_attach_args *pa) |
151 | { |
152 | struct ep_pci_product *epp; |
153 | |
154 | if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_3COM) |
155 | return (NULL); |
156 | |
157 | for (epp = ep_pci_products; epp->epp_name != NULL; epp++) |
158 | if (PCI_PRODUCT(pa->pa_id) == epp->epp_prodid) |
159 | return (epp); |
160 | |
161 | return (NULL); |
162 | } |
163 | |
164 | static int |
165 | ep_pci_match(device_t parent, cfdata_t match, void *aux) |
166 | { |
167 | struct pci_attach_args *pa = (struct pci_attach_args *) aux; |
168 | |
169 | if (ep_pci_lookup(pa) != NULL) |
170 | return (1); |
171 | |
172 | return (0); |
173 | } |
174 | |
175 | static void |
176 | ep_pci_attach(device_t parent, device_t self, void *aux) |
177 | { |
178 | struct ep_softc *sc = device_private(self); |
179 | struct pci_attach_args *pa = aux; |
180 | pci_chipset_tag_t pc = pa->pa_pc; |
181 | pci_intr_handle_t ih; |
182 | const struct ep_pci_product *epp; |
183 | const char *intrstr = NULL; |
184 | char intrbuf[PCI_INTRSTR_LEN]; |
185 | |
186 | aprint_naive(": Ethernet controller\n" ); |
187 | |
188 | if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, |
189 | &sc->sc_iot, &sc->sc_ioh, NULL, NULL)) { |
190 | aprint_error(": can't map i/o space\n" ); |
191 | return; |
192 | } |
193 | |
194 | epp = ep_pci_lookup(pa); |
195 | if (epp == NULL) { |
196 | printf("\n" ); |
197 | panic("ep_pci_attach: impossible" ); |
198 | } |
199 | |
200 | aprint_normal(": 3Com %s\n" , epp->epp_name); |
201 | |
202 | sc->sc_dev = self; |
203 | sc->enable = NULL; |
204 | sc->disable = NULL; |
205 | sc->enabled = 1; |
206 | |
207 | sc->bustype = ELINK_BUS_PCI; |
208 | sc->ep_flags = epp->epp_flags; |
209 | |
210 | /* Enable the card. */ |
211 | pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, |
212 | pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG) | |
213 | PCI_COMMAND_MASTER_ENABLE); |
214 | |
215 | /* Map and establish the interrupt. */ |
216 | if (pci_intr_map(pa, &ih)) { |
217 | aprint_error_dev(sc->sc_dev, "couldn't map interrupt\n" ); |
218 | return; |
219 | } |
220 | intrstr = pci_intr_string(pc, ih, intrbuf, sizeof(intrbuf)); |
221 | sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, epintr, sc); |
222 | if (sc->sc_ih == NULL) { |
223 | aprint_error_dev(sc->sc_dev, "couldn't establish interrupt" ); |
224 | if (intrstr != NULL) |
225 | aprint_error(" at %s" , intrstr); |
226 | aprint_error("\n" ); |
227 | return; |
228 | } |
229 | aprint_normal_dev(sc->sc_dev, "interrupting at %s\n" , intrstr); |
230 | |
231 | epconfig(sc, epp->epp_chipset, NULL); |
232 | } |
233 | |