Line data Source code
1 : /* $OpenBSD: if_fxp_pci.c,v 1.65 2015/11/24 17:11:39 mpi Exp $ */
2 :
3 : /*
4 : * Copyright (c) 1995, David Greenman
5 : * All rights reserved.
6 : *
7 : * Modifications to support NetBSD:
8 : * Copyright (c) 1997 Jason R. Thorpe. All rights reserved.
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 unmodified, this list of conditions, and the following
15 : * 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 AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21 : * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 : * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 : * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24 : * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 : * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 : * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 : * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 : * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 : * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 : * SUCH DAMAGE.
31 : *
32 : * Id: if_fxp.c,v 1.55 1998/08/04 08:53:12 dg Exp
33 : */
34 :
35 : /*
36 : * Intel EtherExpress Pro/100B PCI Fast Ethernet driver
37 : */
38 :
39 : #include "bpfilter.h"
40 :
41 : #include <sys/param.h>
42 : #include <sys/systm.h>
43 : #include <sys/mbuf.h>
44 : #include <sys/malloc.h>
45 : #include <sys/kernel.h>
46 : #include <sys/socket.h>
47 : #include <sys/timeout.h>
48 : #include <sys/syslog.h>
49 :
50 : #include <net/if.h>
51 : #include <net/if_media.h>
52 :
53 : #include <netinet/in.h>
54 :
55 : #include <sys/ioctl.h>
56 : #include <sys/errno.h>
57 : #include <sys/device.h>
58 :
59 : #include <netinet/if_ether.h>
60 :
61 : #include <machine/cpu.h>
62 : #include <machine/bus.h>
63 : #include <machine/intr.h>
64 :
65 : #include <dev/mii/miivar.h>
66 :
67 : #include <dev/ic/fxpreg.h>
68 : #include <dev/ic/fxpvar.h>
69 :
70 : #include <dev/pci/pcivar.h>
71 : #include <dev/pci/pcireg.h>
72 : #include <dev/pci/pcidevs.h>
73 :
74 : int fxp_pci_match(struct device *, void *, void *);
75 : void fxp_pci_attach(struct device *, struct device *, void *);
76 : int fxp_pci_detach(struct device *, int);
77 :
78 : struct fxp_pci_softc {
79 : struct fxp_softc psc_softc;
80 : pci_chipset_tag_t psc_pc;
81 : bus_size_t psc_mapsize;
82 : };
83 :
84 : struct cfattach fxp_pci_ca = {
85 : sizeof(struct fxp_pci_softc), fxp_pci_match, fxp_pci_attach,
86 : fxp_pci_detach, fxp_activate
87 : };
88 :
89 : const struct pci_matchid fxp_pci_devices[] = {
90 : { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_8255x },
91 : { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82552 },
92 : { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82559 },
93 : { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82559ER },
94 : { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82562 },
95 : { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82562EH_HPNA_0 },
96 : { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82562EH_HPNA_1 },
97 : { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82562EH_HPNA_2 },
98 : { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_0 },
99 : { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_1 },
100 : { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_2 },
101 : { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_3 },
102 : { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_4 },
103 : { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_5 },
104 : { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_6 },
105 : { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_7 },
106 : { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_8 },
107 : { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_0 },
108 : { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_1 },
109 : { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_2 },
110 : { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_3 },
111 : { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_4 },
112 : { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_5 },
113 : { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_6 },
114 : { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_7 },
115 : { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_8 },
116 : { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_9 },
117 : { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_10 },
118 : { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_11 },
119 : { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_12 },
120 : { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_13 },
121 : { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_14 },
122 : { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_15 },
123 : { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_16 },
124 : { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_17 },
125 : { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_18 },
126 : { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_19 },
127 : { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_M },
128 : { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100 },
129 : { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82801DB_LAN },
130 : { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82801E_LAN_1 },
131 : { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82801E_LAN_2 },
132 : { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82801FB_LAN },
133 : { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82801FB_LAN_2 },
134 : { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82801FBM_LAN },
135 : { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82801GB_LAN },
136 : { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82801GB_LAN_2 },
137 : };
138 :
139 : int
140 0 : fxp_pci_match(struct device *parent, void *match, void *aux)
141 : {
142 0 : return (pci_matchbyid((struct pci_attach_args *)aux, fxp_pci_devices,
143 : nitems(fxp_pci_devices)));
144 : }
145 :
146 : void
147 0 : fxp_pci_attach(struct device *parent, struct device *self, void *aux)
148 : {
149 0 : struct fxp_pci_softc *psc = (void *)self;
150 0 : struct fxp_softc *sc = &psc->psc_softc;
151 0 : struct pci_attach_args *pa = aux;
152 0 : pci_chipset_tag_t pc = pa->pa_pc;
153 0 : pci_intr_handle_t ih;
154 : const char *chipname = NULL;
155 : const char *intrstr = NULL;
156 :
157 0 : if (pci_mapreg_map(pa, FXP_PCI_IOBA, PCI_MAPREG_TYPE_IO, 0,
158 0 : &sc->sc_st, &sc->sc_sh, NULL, &psc->psc_mapsize, 0)) {
159 0 : printf(": can't map i/o space\n");
160 0 : return;
161 : }
162 0 : psc->psc_pc = pa->pa_pc;
163 0 : sc->sc_dmat = pa->pa_dmat;
164 :
165 0 : sc->sc_revision = PCI_REVISION(pa->pa_class);
166 :
167 : /*
168 : * Allocate our interrupt.
169 : */
170 0 : if (pci_intr_map(pa, &ih)) {
171 0 : printf(": couldn't map interrupt\n");
172 0 : bus_space_unmap(sc->sc_st, sc->sc_sh, psc->psc_mapsize);
173 0 : return;
174 : }
175 :
176 0 : intrstr = pci_intr_string(pc, ih);
177 0 : sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, fxp_intr, sc,
178 0 : self->dv_xname);
179 0 : if (sc->sc_ih == NULL) {
180 0 : printf(": couldn't establish interrupt");
181 0 : if (intrstr != NULL)
182 0 : printf(" at %s", intrstr);
183 0 : printf("\n");
184 0 : bus_space_unmap(sc->sc_st, sc->sc_sh, psc->psc_mapsize);
185 0 : return;
186 : }
187 :
188 0 : switch (PCI_PRODUCT(pa->pa_id)) {
189 : case PCI_PRODUCT_INTEL_8255x:
190 : case PCI_PRODUCT_INTEL_82559:
191 : case PCI_PRODUCT_INTEL_82559ER:
192 : chipname = "i82557";
193 0 : if (sc->sc_revision >= FXP_REV_82558_A4)
194 : chipname = "i82558";
195 0 : if (sc->sc_revision >= FXP_REV_82559_A0)
196 : chipname = "i82559";
197 0 : if (sc->sc_revision >= FXP_REV_82559S_A)
198 : chipname = "i82559S";
199 0 : if (sc->sc_revision >= FXP_REV_82550)
200 : chipname = "i82550";
201 0 : if (sc->sc_revision >= FXP_REV_82551_E)
202 : chipname = "i82551";
203 : break;
204 : case PCI_PRODUCT_INTEL_82552:
205 : chipname = "i82552";
206 0 : break;
207 : default:
208 : chipname = "i82562";
209 0 : break;
210 : }
211 :
212 0 : if (chipname != NULL)
213 0 : printf(", %s", chipname);
214 :
215 : /*
216 : * Cards for which we should WRITE TO THE EEPROM
217 : * to turn off dynamic standby mode to avoid
218 : * a problem where the card will fail to resume when
219 : * entering the IDLE state. We use this nasty if statement
220 : * and corresponding pci dev numbers directly so that people
221 : * know not to add new cards to this unless you are really
222 : * certain what you are doing and are not going to end up
223 : * killing people's eeproms.
224 : */
225 0 : if ((PCI_VENDOR(pa->pa_id) == PCI_VENDOR_INTEL) &&
226 0 : (PCI_PRODUCT(pa->pa_id) == 0x2449 ||
227 0 : (PCI_PRODUCT(pa->pa_id) > 0x1030 &&
228 0 : PCI_PRODUCT(pa->pa_id) < 0x1039) ||
229 0 : (PCI_PRODUCT(pa->pa_id) == 0x1229 &&
230 0 : (sc->sc_revision >= 8 && sc->sc_revision <= 16))))
231 0 : sc->sc_flags |= FXPF_DISABLE_STANDBY;
232 :
233 : /*
234 : * enable PCI Memory Write and Invalidate command
235 : */
236 0 : if (sc->sc_revision >= FXP_REV_82558_A4)
237 0 : if (PCI_CACHELINE(pci_conf_read(pa->pa_pc, pa->pa_tag,
238 : PCI_BHLC_REG))) {
239 0 : pci_conf_write(pa->pa_pc, pa->pa_tag,
240 : PCI_COMMAND_STATUS_REG,
241 0 : PCI_COMMAND_INVALIDATE_ENABLE |
242 0 : pci_conf_read(pa->pa_pc, pa->pa_tag,
243 : PCI_COMMAND_STATUS_REG));
244 0 : sc->sc_flags |= FXPF_MWI_ENABLE;
245 0 : }
246 :
247 : /* Do generic parts of attach. */
248 0 : if (fxp_attach(sc, intrstr)) {
249 : /* Failed! */
250 0 : pci_intr_disestablish(pc, sc->sc_ih);
251 0 : bus_space_unmap(sc->sc_st, sc->sc_sh, psc->psc_mapsize);
252 0 : return;
253 : }
254 0 : }
255 :
256 : int
257 0 : fxp_pci_detach(struct device *self, int flags)
258 : {
259 0 : struct fxp_pci_softc *psc = (void *)self;
260 0 : struct fxp_softc *sc = &psc->psc_softc;
261 :
262 0 : if (sc->sc_ih != NULL)
263 0 : pci_intr_disestablish(psc->psc_pc, sc->sc_ih);
264 0 : fxp_detach(sc);
265 0 : bus_space_unmap(sc->sc_st, sc->sc_sh, psc->psc_mapsize);
266 :
267 0 : return (0);
268 : }
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