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if_hme_pci.c (117116) if_hme_pci.c (119280)
1/*
2 * Copyright (c) 2000 Matthew R. Green
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 * from: NetBSD: if_hme_pci.c,v 1.4 2001/08/27 22:18:49 augustss Exp
29 *
1/*
2 * Copyright (c) 2000 Matthew R. Green
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 * from: NetBSD: if_hme_pci.c,v 1.4 2001/08/27 22:18:49 augustss Exp
29 *
30 * $FreeBSD: head/sys/dev/hme/if_hme_pci.c 117116 2003-07-01 14:11:04Z tmm $
30 * $FreeBSD: head/sys/dev/hme/if_hme_pci.c 119280 2003-08-22 06:00:27Z imp $
31 */
32
33/*
34 * PCI front-end device driver for the HME ethernet device.
35 */
36
37#include <sys/param.h>
38#include <sys/systm.h>
39#include <sys/bus.h>
40#include <sys/kernel.h>
41#include <sys/resource.h>
42#include <sys/socket.h>
43
44#include <machine/bus.h>
45#include <machine/ofw_machdep.h>
46#include <machine/resource.h>
47
48#include <sys/rman.h>
49
50#include <net/ethernet.h>
51#include <net/if.h>
52#include <net/if_arp.h>
53#include <net/if_dl.h>
54#include <net/if_media.h>
55
56#include <mii/mii.h>
57#include <mii/miivar.h>
58
31 */
32
33/*
34 * PCI front-end device driver for the HME ethernet device.
35 */
36
37#include <sys/param.h>
38#include <sys/systm.h>
39#include <sys/bus.h>
40#include <sys/kernel.h>
41#include <sys/resource.h>
42#include <sys/socket.h>
43
44#include <machine/bus.h>
45#include <machine/ofw_machdep.h>
46#include <machine/resource.h>
47
48#include <sys/rman.h>
49
50#include <net/ethernet.h>
51#include <net/if.h>
52#include <net/if_arp.h>
53#include <net/if_dl.h>
54#include <net/if_media.h>
55
56#include <mii/mii.h>
57#include <mii/miivar.h>
58
59#include
60#include
59#include <dev/pci/pcivar.h>
60#include <dev/pci/pcireg.h>
61
62#include <hme/if_hmereg.h>
63#include <hme/if_hmevar.h>
64
65#include "miibus_if.h"
66
67struct hme_pci_softc {
68 struct hme_softc hsc_hme; /* HME device */
69 struct resource *hsc_sres;
70 int hsc_srid;
71 struct resource *hsc_ires;
72 int hsc_irid;
73 bus_space_tag_t hsc_memt;
74 bus_space_handle_t hsc_memh;
75 void *hsc_ih;
76};
77
78static int hme_pci_probe(device_t);
79static int hme_pci_attach(device_t);
80static int hme_pci_detach(device_t);
81static int hme_pci_suspend(device_t);
82static int hme_pci_resume(device_t);
83
84static device_method_t hme_pci_methods[] = {
85 /* Device interface */
86 DEVMETHOD(device_probe, hme_pci_probe),
87 DEVMETHOD(device_attach, hme_pci_attach),
88 DEVMETHOD(device_detach, hme_pci_detach),
89 DEVMETHOD(device_suspend, hme_pci_suspend),
90 DEVMETHOD(device_resume, hme_pci_resume),
91 /* Can just use the suspend method here. */
92 DEVMETHOD(device_shutdown, hme_pci_suspend),
93
94 /* bus interface */
95 DEVMETHOD(bus_print_child, bus_generic_print_child),
96 DEVMETHOD(bus_driver_added, bus_generic_driver_added),
97
98 /* MII interface */
99 DEVMETHOD(miibus_readreg, hme_mii_readreg),
100 DEVMETHOD(miibus_writereg, hme_mii_writereg),
101 DEVMETHOD(miibus_statchg, hme_mii_statchg),
102
103 { 0, 0 }
104};
105
106static driver_t hme_pci_driver = {
107 "hme",
108 hme_pci_methods,
109 sizeof(struct hme_pci_softc)
110};
111
112DRIVER_MODULE(hme, pci, hme_pci_driver, hme_devclass, 0, 0);
113MODULE_DEPEND(hme, pci, 1, 1, 1);
114MODULE_DEPEND(hme, ether, 1, 1, 1);
115
116int
117hme_pci_probe(device_t dev)
118{
119
120 if (pci_get_vendor(dev) == 0x108e &&
121 pci_get_device(dev) == 0x1001) {
122 device_set_desc(dev, "Sun HME 10/100 Ethernet");
123 return (0);
124 }
125 return (ENXIO);
126}
127
128int
129hme_pci_attach(device_t dev)
130{
131 struct hme_pci_softc *hsc = device_get_softc(dev);
132 struct hme_softc *sc = &hsc->hsc_hme;
133 int error;
134
135 pci_enable_busmaster(dev);
136 /*
137 * Some Sun HMEs do have their intpin register bogusly set to 0,
138 * although it should be 1. correct that.
139 */
140 if (pci_get_intpin(dev) == 0)
141 pci_set_intpin(dev, 1);
142
143 sc->sc_pci = 1;
144 sc->sc_dev = dev;
145
146 /*
147 * Map five register banks:
148 *
149 * bank 0: HME SEB registers: +0x0000
150 * bank 1: HME ETX registers: +0x2000
151 * bank 2: HME ERX registers: +0x4000
152 * bank 3: HME MAC registers: +0x6000
153 * bank 4: HME MIF registers: +0x7000
154 *
155 */
156 hsc->hsc_srid = PCI_HME_BASEADDR;
157 hsc->hsc_sres = bus_alloc_resource(dev, SYS_RES_MEMORY, &hsc->hsc_srid,
158 0, ~0, 1, RF_ACTIVE);
159 if (hsc->hsc_sres == NULL) {
160 device_printf(dev, "could not map device registers\n");
161 return (ENXIO);
162 }
163 hsc->hsc_irid = 0;
164 hsc->hsc_ires = bus_alloc_resource(dev, SYS_RES_IRQ, &hsc->hsc_irid, 0,
165 ~0, 1, RF_SHAREABLE | RF_ACTIVE);
166 if (hsc->hsc_ires == NULL) {
167 device_printf(dev, "could not allocate interrupt\n");
168 error = ENXIO;
169 goto fail_sres;
170 }
171 sc->sc_sebt = sc->sc_etxt = sc->sc_erxt = sc->sc_mact = sc->sc_mift =
172 rman_get_bustag(hsc->hsc_sres);
173 sc->sc_sebh = sc->sc_etxh = sc->sc_erxh = sc->sc_mach = sc->sc_mifh =
174 rman_get_bushandle(hsc->hsc_sres);
175 sc->sc_sebo = 0;
176 sc->sc_etxo = 0x2000;
177 sc->sc_erxo = 0x4000;
178 sc->sc_maco = 0x6000;
179 sc->sc_mifo = 0x7000;
180
181 OF_getetheraddr(dev, sc->sc_arpcom.ac_enaddr);
182
183 sc->sc_burst = 64; /* XXX */
184
185 /*
186 * call the main configure
187 */
188 if ((error = hme_config(sc)) != 0) {
189 device_printf(dev, "could not be configured\n");
190 goto fail_ires;
191 }
192
193 if ((error = bus_setup_intr(dev, hsc->hsc_ires, INTR_TYPE_NET, hme_intr,
194 sc, &hsc->hsc_ih)) != 0) {
195 device_printf(dev, "couldn't establish interrupt\n");
196 hme_detach(sc);
197 goto fail_ires;
198 }
199 return (0);
200
201fail_ires:
202 bus_release_resource(dev, SYS_RES_IRQ, hsc->hsc_irid, hsc->hsc_ires);
203fail_sres:
204 bus_release_resource(dev, SYS_RES_MEMORY, hsc->hsc_srid, hsc->hsc_sres);
205 return (ENXIO);
206}
207
208static int
209hme_pci_detach(device_t dev)
210{
211 struct hme_pci_softc *hsc = device_get_softc(dev);
212 struct hme_softc *sc = &hsc->hsc_hme;
213
214 hme_detach(sc);
215
216 bus_teardown_intr(dev, hsc->hsc_ires, hsc->hsc_ih);
217 bus_release_resource(dev, SYS_RES_IRQ, hsc->hsc_irid, hsc->hsc_ires);
218 bus_release_resource(dev, SYS_RES_MEMORY, hsc->hsc_srid, hsc->hsc_sres);
219 return (0);
220}
221
222static int
223hme_pci_suspend(device_t dev)
224{
225 struct hme_pci_softc *hsc = device_get_softc(dev);
226 struct hme_softc *sc = &hsc->hsc_hme;
227
228 hme_suspend(sc);
229 return (0);
230}
231
232static int
233hme_pci_resume(device_t dev)
234{
235 struct hme_pci_softc *hsc = device_get_softc(dev);
236 struct hme_softc *sc = &hsc->hsc_hme;
237
238 hme_resume(sc);
239 return (0);
240}
61
62#include <hme/if_hmereg.h>
63#include <hme/if_hmevar.h>
64
65#include "miibus_if.h"
66
67struct hme_pci_softc {
68 struct hme_softc hsc_hme; /* HME device */
69 struct resource *hsc_sres;
70 int hsc_srid;
71 struct resource *hsc_ires;
72 int hsc_irid;
73 bus_space_tag_t hsc_memt;
74 bus_space_handle_t hsc_memh;
75 void *hsc_ih;
76};
77
78static int hme_pci_probe(device_t);
79static int hme_pci_attach(device_t);
80static int hme_pci_detach(device_t);
81static int hme_pci_suspend(device_t);
82static int hme_pci_resume(device_t);
83
84static device_method_t hme_pci_methods[] = {
85 /* Device interface */
86 DEVMETHOD(device_probe, hme_pci_probe),
87 DEVMETHOD(device_attach, hme_pci_attach),
88 DEVMETHOD(device_detach, hme_pci_detach),
89 DEVMETHOD(device_suspend, hme_pci_suspend),
90 DEVMETHOD(device_resume, hme_pci_resume),
91 /* Can just use the suspend method here. */
92 DEVMETHOD(device_shutdown, hme_pci_suspend),
93
94 /* bus interface */
95 DEVMETHOD(bus_print_child, bus_generic_print_child),
96 DEVMETHOD(bus_driver_added, bus_generic_driver_added),
97
98 /* MII interface */
99 DEVMETHOD(miibus_readreg, hme_mii_readreg),
100 DEVMETHOD(miibus_writereg, hme_mii_writereg),
101 DEVMETHOD(miibus_statchg, hme_mii_statchg),
102
103 { 0, 0 }
104};
105
106static driver_t hme_pci_driver = {
107 "hme",
108 hme_pci_methods,
109 sizeof(struct hme_pci_softc)
110};
111
112DRIVER_MODULE(hme, pci, hme_pci_driver, hme_devclass, 0, 0);
113MODULE_DEPEND(hme, pci, 1, 1, 1);
114MODULE_DEPEND(hme, ether, 1, 1, 1);
115
116int
117hme_pci_probe(device_t dev)
118{
119
120 if (pci_get_vendor(dev) == 0x108e &&
121 pci_get_device(dev) == 0x1001) {
122 device_set_desc(dev, "Sun HME 10/100 Ethernet");
123 return (0);
124 }
125 return (ENXIO);
126}
127
128int
129hme_pci_attach(device_t dev)
130{
131 struct hme_pci_softc *hsc = device_get_softc(dev);
132 struct hme_softc *sc = &hsc->hsc_hme;
133 int error;
134
135 pci_enable_busmaster(dev);
136 /*
137 * Some Sun HMEs do have their intpin register bogusly set to 0,
138 * although it should be 1. correct that.
139 */
140 if (pci_get_intpin(dev) == 0)
141 pci_set_intpin(dev, 1);
142
143 sc->sc_pci = 1;
144 sc->sc_dev = dev;
145
146 /*
147 * Map five register banks:
148 *
149 * bank 0: HME SEB registers: +0x0000
150 * bank 1: HME ETX registers: +0x2000
151 * bank 2: HME ERX registers: +0x4000
152 * bank 3: HME MAC registers: +0x6000
153 * bank 4: HME MIF registers: +0x7000
154 *
155 */
156 hsc->hsc_srid = PCI_HME_BASEADDR;
157 hsc->hsc_sres = bus_alloc_resource(dev, SYS_RES_MEMORY, &hsc->hsc_srid,
158 0, ~0, 1, RF_ACTIVE);
159 if (hsc->hsc_sres == NULL) {
160 device_printf(dev, "could not map device registers\n");
161 return (ENXIO);
162 }
163 hsc->hsc_irid = 0;
164 hsc->hsc_ires = bus_alloc_resource(dev, SYS_RES_IRQ, &hsc->hsc_irid, 0,
165 ~0, 1, RF_SHAREABLE | RF_ACTIVE);
166 if (hsc->hsc_ires == NULL) {
167 device_printf(dev, "could not allocate interrupt\n");
168 error = ENXIO;
169 goto fail_sres;
170 }
171 sc->sc_sebt = sc->sc_etxt = sc->sc_erxt = sc->sc_mact = sc->sc_mift =
172 rman_get_bustag(hsc->hsc_sres);
173 sc->sc_sebh = sc->sc_etxh = sc->sc_erxh = sc->sc_mach = sc->sc_mifh =
174 rman_get_bushandle(hsc->hsc_sres);
175 sc->sc_sebo = 0;
176 sc->sc_etxo = 0x2000;
177 sc->sc_erxo = 0x4000;
178 sc->sc_maco = 0x6000;
179 sc->sc_mifo = 0x7000;
180
181 OF_getetheraddr(dev, sc->sc_arpcom.ac_enaddr);
182
183 sc->sc_burst = 64; /* XXX */
184
185 /*
186 * call the main configure
187 */
188 if ((error = hme_config(sc)) != 0) {
189 device_printf(dev, "could not be configured\n");
190 goto fail_ires;
191 }
192
193 if ((error = bus_setup_intr(dev, hsc->hsc_ires, INTR_TYPE_NET, hme_intr,
194 sc, &hsc->hsc_ih)) != 0) {
195 device_printf(dev, "couldn't establish interrupt\n");
196 hme_detach(sc);
197 goto fail_ires;
198 }
199 return (0);
200
201fail_ires:
202 bus_release_resource(dev, SYS_RES_IRQ, hsc->hsc_irid, hsc->hsc_ires);
203fail_sres:
204 bus_release_resource(dev, SYS_RES_MEMORY, hsc->hsc_srid, hsc->hsc_sres);
205 return (ENXIO);
206}
207
208static int
209hme_pci_detach(device_t dev)
210{
211 struct hme_pci_softc *hsc = device_get_softc(dev);
212 struct hme_softc *sc = &hsc->hsc_hme;
213
214 hme_detach(sc);
215
216 bus_teardown_intr(dev, hsc->hsc_ires, hsc->hsc_ih);
217 bus_release_resource(dev, SYS_RES_IRQ, hsc->hsc_irid, hsc->hsc_ires);
218 bus_release_resource(dev, SYS_RES_MEMORY, hsc->hsc_srid, hsc->hsc_sres);
219 return (0);
220}
221
222static int
223hme_pci_suspend(device_t dev)
224{
225 struct hme_pci_softc *hsc = device_get_softc(dev);
226 struct hme_softc *sc = &hsc->hsc_hme;
227
228 hme_suspend(sc);
229 return (0);
230}
231
232static int
233hme_pci_resume(device_t dev)
234{
235 struct hme_pci_softc *hsc = device_get_softc(dev);
236 struct hme_softc *sc = &hsc->hsc_hme;
237
238 hme_resume(sc);
239 return (0);
240}