Annotation of sys/dev/pci/if_fxp_pci.c, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: if_fxp_pci.c,v 1.49 2006/11/05 02:47:01 brad 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_dl.h>
52: #include <net/if_media.h>
53: #include <net/if_types.h>
54:
55: #ifdef INET
56: #include <netinet/in.h>
57: #include <netinet/in_systm.h>
58: #include <netinet/in_var.h>
59: #include <netinet/ip.h>
60: #endif
61:
62: #include <sys/ioctl.h>
63: #include <sys/errno.h>
64: #include <sys/device.h>
65:
66: #include <netinet/if_ether.h>
67:
68: #include <machine/cpu.h>
69: #include <machine/bus.h>
70: #include <machine/intr.h>
71:
72: #include <dev/mii/miivar.h>
73:
74: #include <dev/ic/fxpreg.h>
75: #include <dev/ic/fxpvar.h>
76:
77: #include <dev/pci/pcivar.h>
78: #include <dev/pci/pcireg.h>
79: #include <dev/pci/pcidevs.h>
80:
81: int fxp_pci_match(struct device *, void *, void *);
82: void fxp_pci_attach(struct device *, struct device *, void *);
83:
84: struct cfattach fxp_pci_ca = {
85: sizeof(struct fxp_softc), fxp_pci_match, fxp_pci_attach
86: };
87:
88: const struct pci_matchid fxp_pci_devices[] = {
89: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_8255x },
90: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82559 },
91: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82559ER },
92: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82562 },
93: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82562EH_HPNA_0 },
94: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82562EH_HPNA_1 },
95: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82562EH_HPNA_2 },
96: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_0 },
97: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_1 },
98: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_2 },
99: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_3 },
100: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_4 },
101: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_5 },
102: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_6 },
103: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_7 },
104: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_8 },
105: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_0 },
106: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_1 },
107: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_2 },
108: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_3 },
109: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_4 },
110: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_5 },
111: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_6 },
112: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_7 },
113: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_8 },
114: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_9 },
115: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_10 },
116: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_11 },
117: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_12 },
118: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_13 },
119: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_14 },
120: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_15 },
121: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_16 },
122: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_17 },
123: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_18 },
124: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_19 },
125: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_M },
126: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100 },
127: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82801DB_LAN },
128: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82801E_LAN_1 },
129: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82801E_LAN_2 },
130: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82801FB_LAN },
131: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82801FB_LAN_2 },
132: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82801FBM_LAN },
133: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82801GB_LAN },
134: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82801GB_LAN_2 },
135: };
136:
137: int
138: fxp_pci_match(struct device *parent, void *match, void *aux)
139: {
140: return (pci_matchbyid((struct pci_attach_args *)aux, fxp_pci_devices,
141: sizeof(fxp_pci_devices)/sizeof(fxp_pci_devices[0])));
142: }
143:
144: void
145: fxp_pci_attach(struct device *parent, struct device *self, void *aux)
146: {
147: struct fxp_softc *sc = (struct fxp_softc *)self;
148: struct pci_attach_args *pa = aux;
149: pci_chipset_tag_t pc = pa->pa_pc;
150: pci_intr_handle_t ih;
151: const char *chipname = NULL;
152: const char *intrstr = NULL;
153: bus_size_t iosize;
154:
155: if (pci_mapreg_map(pa, FXP_PCI_IOBA, PCI_MAPREG_TYPE_IO, 0,
156: &sc->sc_st, &sc->sc_sh, NULL, &iosize, 0)) {
157: printf(": can't map i/o space\n");
158: return;
159: }
160: sc->sc_dmat = pa->pa_dmat;
161:
162: sc->sc_revision = PCI_REVISION(pa->pa_class);
163:
164: /*
165: * Allocate our interrupt.
166: */
167: if (pci_intr_map(pa, &ih)) {
168: printf(": couldn't map interrupt\n");
169: bus_space_unmap(sc->sc_st, sc->sc_sh, iosize);
170: return;
171: }
172:
173: intrstr = pci_intr_string(pc, ih);
174: sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, fxp_intr, sc,
175: self->dv_xname);
176: if (sc->sc_ih == NULL) {
177: printf(": couldn't establish interrupt");
178: if (intrstr != NULL)
179: printf(" at %s", intrstr);
180: printf("\n");
181: bus_space_unmap(sc->sc_st, sc->sc_sh, iosize);
182: return;
183: }
184:
185: switch (PCI_PRODUCT(pa->pa_id)) {
186: case PCI_PRODUCT_INTEL_8255x:
187: case PCI_PRODUCT_INTEL_82559:
188: case PCI_PRODUCT_INTEL_82559ER:
189: {
190: chipname = "i82557";
191: if (sc->sc_revision >= FXP_REV_82558_A4)
192: chipname = "i82558";
193: if (sc->sc_revision >= FXP_REV_82559_A0)
194: chipname = "i82559";
195: if (sc->sc_revision >= FXP_REV_82559S_A)
196: chipname = "i82559S";
197: if (sc->sc_revision >= FXP_REV_82550)
198: chipname = "i82550";
199: if (sc->sc_revision >= FXP_REV_82551_E)
200: chipname = "i82551";
201: break;
202: }
203: break;
204: default:
205: chipname = "i82562";
206: break;
207: }
208:
209: if (chipname != NULL)
210: printf(", %s", chipname);
211:
212: /*
213: * Cards for which we should WRITE TO THE EEPROM
214: * to turn off dynamic standby mode to avoid
215: * a problem where the card will fail to resume when
216: * entering the IDLE state. We use this nasty if statement
217: * and corresponding pci dev numbers directly so that people
218: * know not to add new cards to this unless you are really
219: * certain what you are doing and are not going to end up
220: * killing people's eeproms.
221: */
222: if ((PCI_VENDOR(pa->pa_id) == PCI_VENDOR_INTEL) &&
223: (PCI_PRODUCT(pa->pa_id) == 0x2449 ||
224: (PCI_PRODUCT(pa->pa_id) > 0x1030 &&
225: PCI_PRODUCT(pa->pa_id) < 0x1039) ||
226: (PCI_PRODUCT(pa->pa_id) == 0x1229 &&
227: (sc->sc_revision >= 8 && sc->sc_revision <= 16))))
228: sc->sc_flags |= FXPF_DISABLE_STANDBY;
229:
230: /*
231: * enable PCI Memory Write and Invalidate command
232: */
233: if (sc->sc_revision >= FXP_REV_82558_A4)
234: if (PCI_CACHELINE(pci_conf_read(pa->pa_pc, pa->pa_tag,
235: PCI_BHLC_REG))) {
236: pci_conf_write(pa->pa_pc, pa->pa_tag,
237: PCI_COMMAND_STATUS_REG,
238: PCI_COMMAND_INVALIDATE_ENABLE |
239: pci_conf_read(pa->pa_pc, pa->pa_tag,
240: PCI_COMMAND_STATUS_REG));
241: sc->sc_flags |= FXPF_MWI_ENABLE;
242: }
243:
244: /* Do generic parts of attach. */
245: if (fxp_attach(sc, intrstr)) {
246: /* Failed! */
247: pci_intr_disestablish(pc, sc->sc_ih);
248: bus_space_unmap(sc->sc_st, sc->sc_sh, iosize);
249: return;
250: }
251: }
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