1 /* $OpenBSD: if_fxp_pci.c,v 1.68 2024/05/24 06:02:53 jsg 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 <sys/param.h>
40 #include <sys/systm.h>
41 #include <sys/timeout.h>
42
43 #include <net/if.h>
44 #include <net/if_media.h>
45
46 #include <netinet/in.h>
47
48 #include <sys/device.h>
49
50 #include <netinet/if_ether.h>
51
52 #include <machine/bus.h>
53 #include <machine/intr.h>
54
55 #include <dev/mii/miivar.h>
56
57 #include <dev/ic/fxpreg.h>
58 #include <dev/ic/fxpvar.h>
59
60 #include <dev/pci/pcivar.h>
61 #include <dev/pci/pcireg.h>
62 #include <dev/pci/pcidevs.h>
63
64 int fxp_pci_match(struct device *, void *, void *);
65 void fxp_pci_attach(struct device *, struct device *, void *);
66 int fxp_pci_detach(struct device *, int);
67
68 struct fxp_pci_softc {
69 struct fxp_softc psc_softc;
70 pci_chipset_tag_t psc_pc;
71 bus_size_t psc_mapsize;
72 };
73
74 const struct cfattach fxp_pci_ca = {
75 sizeof(struct fxp_pci_softc), fxp_pci_match, fxp_pci_attach,
76 fxp_pci_detach, fxp_activate
77 };
78
79 const struct pci_matchid fxp_pci_devices[] = {
80 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_8255X },
81 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82552 },
82 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82559 },
83 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82559ER },
84 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82562 },
85 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82562EH_HPNA_0 },
86 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82562EH_HPNA_1 },
87 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82562EH_HPNA_2 },
88 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_0 },
89 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_1 },
90 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_2 },
91 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_3 },
92 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_4 },
93 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_5 },
94 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_6 },
95 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_7 },
96 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_8 },
97 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_0 },
98 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_1 },
99 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_2 },
100 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_3 },
101 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_4 },
102 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_5 },
103 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_6 },
104 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_7 },
105 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_8 },
106 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_9 },
107 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_10 },
108 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_11 },
109 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_12 },
110 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_13 },
111 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_14 },
112 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_15 },
113 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_16 },
114 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_17 },
115 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_18 },
116 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_19 },
117 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_M },
118 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100 },
119 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82801DB_LAN },
120 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82801E_LAN_1 },
121 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82801E_LAN_2 },
122 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82801FB_LAN },
123 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82801FB_LAN_2 },
124 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82801FBM_LAN },
125 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82801GB_LAN },
126 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82801GB_LAN_2 },
127 };
128
129 int
fxp_pci_match(struct device * parent,void * match,void * aux)130 fxp_pci_match(struct device *parent, void *match, void *aux)
131 {
132 return (pci_matchbyid((struct pci_attach_args *)aux, fxp_pci_devices,
133 nitems(fxp_pci_devices)));
134 }
135
136 void
fxp_pci_attach(struct device * parent,struct device * self,void * aux)137 fxp_pci_attach(struct device *parent, struct device *self, void *aux)
138 {
139 struct fxp_pci_softc *psc = (void *)self;
140 struct fxp_softc *sc = &psc->psc_softc;
141 struct pci_attach_args *pa = aux;
142 pci_chipset_tag_t pc = pa->pa_pc;
143 pci_intr_handle_t ih;
144 const char *chipname = NULL;
145 const char *intrstr = NULL;
146
147 if (pci_mapreg_map(pa, FXP_PCI_IOBA, PCI_MAPREG_TYPE_IO, 0,
148 &sc->sc_st, &sc->sc_sh, NULL, &psc->psc_mapsize, 0)) {
149 printf(": can't map i/o space\n");
150 return;
151 }
152 psc->psc_pc = pa->pa_pc;
153 sc->sc_dmat = pa->pa_dmat;
154
155 sc->sc_revision = PCI_REVISION(pa->pa_class);
156
157 /*
158 * Allocate our interrupt.
159 */
160 if (pci_intr_map(pa, &ih)) {
161 printf(": couldn't map interrupt\n");
162 bus_space_unmap(sc->sc_st, sc->sc_sh, psc->psc_mapsize);
163 return;
164 }
165
166 intrstr = pci_intr_string(pc, ih);
167 sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, fxp_intr, sc,
168 self->dv_xname);
169 if (sc->sc_ih == NULL) {
170 printf(": couldn't establish interrupt");
171 if (intrstr != NULL)
172 printf(" at %s", intrstr);
173 printf("\n");
174 bus_space_unmap(sc->sc_st, sc->sc_sh, psc->psc_mapsize);
175 return;
176 }
177
178 switch (PCI_PRODUCT(pa->pa_id)) {
179 case PCI_PRODUCT_INTEL_8255X:
180 case PCI_PRODUCT_INTEL_82559:
181 case PCI_PRODUCT_INTEL_82559ER:
182 chipname = "i82557";
183 if (sc->sc_revision >= FXP_REV_82558_A4)
184 chipname = "i82558";
185 if (sc->sc_revision >= FXP_REV_82559_A0)
186 chipname = "i82559";
187 if (sc->sc_revision >= FXP_REV_82559S_A)
188 chipname = "i82559S";
189 if (sc->sc_revision >= FXP_REV_82550)
190 chipname = "i82550";
191 if (sc->sc_revision >= FXP_REV_82551_E)
192 chipname = "i82551";
193 break;
194 case PCI_PRODUCT_INTEL_82552:
195 chipname = "i82552";
196 break;
197 default:
198 chipname = "i82562";
199 break;
200 }
201
202 if (chipname != NULL)
203 printf(", %s", chipname);
204
205 /*
206 * Cards for which we should WRITE TO THE EEPROM
207 * to turn off dynamic standby mode to avoid
208 * a problem where the card will fail to resume when
209 * entering the IDLE state. We use this nasty if statement
210 * and corresponding pci dev numbers directly so that people
211 * know not to add new cards to this unless you are really
212 * certain what you are doing and are not going to end up
213 * killing people's eeproms.
214 */
215 if ((PCI_VENDOR(pa->pa_id) == PCI_VENDOR_INTEL) &&
216 (PCI_PRODUCT(pa->pa_id) == 0x2449 ||
217 (PCI_PRODUCT(pa->pa_id) > 0x1030 &&
218 PCI_PRODUCT(pa->pa_id) < 0x1039) ||
219 (PCI_PRODUCT(pa->pa_id) == 0x1229 &&
220 (sc->sc_revision >= 8 && sc->sc_revision <= 16))))
221 sc->sc_flags |= FXPF_DISABLE_STANDBY;
222
223 /*
224 * enable PCI Memory Write and Invalidate command
225 */
226 if (sc->sc_revision >= FXP_REV_82558_A4)
227 if (PCI_CACHELINE(pci_conf_read(pa->pa_pc, pa->pa_tag,
228 PCI_BHLC_REG))) {
229 pci_conf_write(pa->pa_pc, pa->pa_tag,
230 PCI_COMMAND_STATUS_REG,
231 PCI_COMMAND_INVALIDATE_ENABLE |
232 pci_conf_read(pa->pa_pc, pa->pa_tag,
233 PCI_COMMAND_STATUS_REG));
234 sc->sc_flags |= FXPF_MWI_ENABLE;
235 }
236
237 /* Do generic parts of attach. */
238 if (fxp_attach(sc, intrstr)) {
239 /* Failed! */
240 pci_intr_disestablish(pc, sc->sc_ih);
241 bus_space_unmap(sc->sc_st, sc->sc_sh, psc->psc_mapsize);
242 return;
243 }
244 }
245
246 int
fxp_pci_detach(struct device * self,int flags)247 fxp_pci_detach(struct device *self, int flags)
248 {
249 struct fxp_pci_softc *psc = (void *)self;
250 struct fxp_softc *sc = &psc->psc_softc;
251
252 if (sc->sc_ih != NULL)
253 pci_intr_disestablish(psc->psc_pc, sc->sc_ih);
254 fxp_detach(sc);
255 bus_space_unmap(sc->sc_st, sc->sc_sh, psc->psc_mapsize);
256
257 return (0);
258 }
259