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 93043 2002-03-23 19:37:11Z tmm $
| 30 * $FreeBSD: head/sys/dev/hme/if_hme_pci.c 108976 2003-01-09 00:45:10Z tmm $
|
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 <pci/pcivar.h>
60#include <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);
| 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 <pci/pcivar.h>
60#include <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);
|
80
81static device_method_t hme_pci_methods[] = {
82 /* Device interface */
83 DEVMETHOD(device_probe, hme_pci_probe),
84 DEVMETHOD(device_attach, hme_pci_attach),
| 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),
|
85
86 /* bus interface */
87 DEVMETHOD(bus_print_child, bus_generic_print_child),
88 DEVMETHOD(bus_driver_added, bus_generic_driver_added),
89
90 /* MII interface */
91 DEVMETHOD(miibus_readreg, hme_mii_readreg),
92 DEVMETHOD(miibus_writereg, hme_mii_writereg),
93 DEVMETHOD(miibus_statchg, hme_mii_statchg),
94
95 { 0, 0 }
96};
97
98static driver_t hme_pci_driver = {
99 "hme",
100 hme_pci_methods,
101 sizeof(struct hme_pci_softc)
102};
103
104DRIVER_MODULE(if_hme, pci, hme_pci_driver, hme_devclass, 0, 0);
105
106int
107hme_pci_probe(device_t dev)
108{
109
110 if (pci_get_vendor(dev) == 0x108e &&
111 pci_get_device(dev) == 0x1001) {
112 device_set_desc(dev, "Sun HME 10/100 Ethernet");
113 return (0);
114 }
115 return (ENXIO);
116}
117
118int
119hme_pci_attach(device_t dev)
120{
121 struct hme_pci_softc *hsc = device_get_softc(dev);
122 struct hme_softc *sc = &hsc->hsc_hme;
123 int error;
124
125 /*
126 * Enable memory-space and bus master accesses. This is kinda of
127 * gross; but the hme comes up with neither enabled.
128 */
129 pci_enable_busmaster(dev);
130 pci_enable_io(dev, SYS_RES_MEMORY);
131
132 sc->sc_pci = 1; /* XXXXX should all be done in bus_dma. */
133 sc->sc_dev = dev;
134
135 /*
136 * Map five register banks:
137 *
138 * bank 0: HME SEB registers: +0x0000
139 * bank 1: HME ETX registers: +0x2000
140 * bank 2: HME ERX registers: +0x4000
141 * bank 3: HME MAC registers: +0x6000
142 * bank 4: HME MIF registers: +0x7000
143 *
144 */
145 hsc->hsc_srid = PCI_HME_BASEADDR;
146 hsc->hsc_sres = bus_alloc_resource(dev, SYS_RES_MEMORY, &hsc->hsc_srid,
147 0, ~0, 1, RF_ACTIVE);
148 if (hsc->hsc_sres == NULL) {
149 device_printf(dev, "could not map device registers\n");
150 return (ENXIO);
151 }
152 hsc->hsc_irid = 0;
153 hsc->hsc_ires = bus_alloc_resource(dev, SYS_RES_IRQ, &hsc->hsc_irid, 0,
154 ~0, 1, RF_SHAREABLE | RF_ACTIVE);
155 if (hsc->hsc_ires == NULL) {
156 device_printf(dev, "could not allocate interrupt\n");
157 error = ENXIO;
158 goto fail_sres;
159 }
160 sc->sc_sebt = sc->sc_etxt = sc->sc_erxt = sc->sc_mact = sc->sc_mift =
161 rman_get_bustag(hsc->hsc_sres);
162 sc->sc_sebh = sc->sc_etxh = sc->sc_erxh = sc->sc_mach = sc->sc_mifh =
163 rman_get_bushandle(hsc->hsc_sres);
164 sc->sc_sebo = 0;
165 sc->sc_etxo = 0x2000;
166 sc->sc_erxo = 0x4000;
167 sc->sc_maco = 0x6000;
168 sc->sc_mifo = 0x7000;
169
170 OF_getetheraddr(dev, sc->sc_arpcom.ac_enaddr);
171
172 sc->sc_burst = 64; /* XXX */
173
174 /*
175 * call the main configure
176 */
177 if ((error = hme_config(sc)) != 0) {
178 device_printf(dev, "could not be configured\n");
179 goto fail_ires;
180 }
181
182 if ((error = bus_setup_intr(dev, hsc->hsc_ires, INTR_TYPE_NET, hme_intr,
183 sc, &hsc->hsc_ih)) != 0) {
184 device_printf(dev, "couldn't establish interrupt\n");
| 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(if_hme, pci, hme_pci_driver, hme_devclass, 0, 0);
113
114int
115hme_pci_probe(device_t dev)
116{
117
118 if (pci_get_vendor(dev) == 0x108e &&
119 pci_get_device(dev) == 0x1001) {
120 device_set_desc(dev, "Sun HME 10/100 Ethernet");
121 return (0);
122 }
123 return (ENXIO);
124}
125
126int
127hme_pci_attach(device_t dev)
128{
129 struct hme_pci_softc *hsc = device_get_softc(dev);
130 struct hme_softc *sc = &hsc->hsc_hme;
131 int error;
132
133 /*
134 * Enable memory-space and bus master accesses. This is kinda of
135 * gross; but the hme comes up with neither enabled.
136 */
137 pci_enable_busmaster(dev);
138 pci_enable_io(dev, SYS_RES_MEMORY);
139
140 sc->sc_pci = 1; /* XXXXX should all be done in bus_dma. */
141 sc->sc_dev = dev;
142
143 /*
144 * Map five register banks:
145 *
146 * bank 0: HME SEB registers: +0x0000
147 * bank 1: HME ETX registers: +0x2000
148 * bank 2: HME ERX registers: +0x4000
149 * bank 3: HME MAC registers: +0x6000
150 * bank 4: HME MIF registers: +0x7000
151 *
152 */
153 hsc->hsc_srid = PCI_HME_BASEADDR;
154 hsc->hsc_sres = bus_alloc_resource(dev, SYS_RES_MEMORY, &hsc->hsc_srid,
155 0, ~0, 1, RF_ACTIVE);
156 if (hsc->hsc_sres == NULL) {
157 device_printf(dev, "could not map device registers\n");
158 return (ENXIO);
159 }
160 hsc->hsc_irid = 0;
161 hsc->hsc_ires = bus_alloc_resource(dev, SYS_RES_IRQ, &hsc->hsc_irid, 0,
162 ~0, 1, RF_SHAREABLE | RF_ACTIVE);
163 if (hsc->hsc_ires == NULL) {
164 device_printf(dev, "could not allocate interrupt\n");
165 error = ENXIO;
166 goto fail_sres;
167 }
168 sc->sc_sebt = sc->sc_etxt = sc->sc_erxt = sc->sc_mact = sc->sc_mift =
169 rman_get_bustag(hsc->hsc_sres);
170 sc->sc_sebh = sc->sc_etxh = sc->sc_erxh = sc->sc_mach = sc->sc_mifh =
171 rman_get_bushandle(hsc->hsc_sres);
172 sc->sc_sebo = 0;
173 sc->sc_etxo = 0x2000;
174 sc->sc_erxo = 0x4000;
175 sc->sc_maco = 0x6000;
176 sc->sc_mifo = 0x7000;
177
178 OF_getetheraddr(dev, sc->sc_arpcom.ac_enaddr);
179
180 sc->sc_burst = 64; /* XXX */
181
182 /*
183 * call the main configure
184 */
185 if ((error = hme_config(sc)) != 0) {
186 device_printf(dev, "could not be configured\n");
187 goto fail_ires;
188 }
189
190 if ((error = bus_setup_intr(dev, hsc->hsc_ires, INTR_TYPE_NET, hme_intr,
191 sc, &hsc->hsc_ih)) != 0) {
192 device_printf(dev, "couldn't establish interrupt\n");
|
| 193 hme_detach(sc);
|
185 goto fail_ires;
186 }
187 return (0);
188
189fail_ires:
190 bus_release_resource(dev, SYS_RES_IRQ, hsc->hsc_irid, hsc->hsc_ires);
191fail_sres:
192 bus_release_resource(dev, SYS_RES_MEMORY, hsc->hsc_srid, hsc->hsc_sres);
193 return (ENXIO);
194}
| 194 goto fail_ires;
195 }
196 return (0);
197
198fail_ires:
199 bus_release_resource(dev, SYS_RES_IRQ, hsc->hsc_irid, hsc->hsc_ires);
200fail_sres:
201 bus_release_resource(dev, SYS_RES_MEMORY, hsc->hsc_srid, hsc->hsc_sres);
202 return (ENXIO);
203}
|
| 204
205static int
206hme_pci_detach(device_t dev)
207{
208 struct hme_pci_softc *hsc = device_get_softc(dev);
209 struct hme_softc *sc = &hsc->hsc_hme;
210
211 hme_detach(sc);
212
213 bus_teardown_intr(dev, hsc->hsc_ires, hsc->hsc_ih);
214 bus_release_resource(dev, SYS_RES_IRQ, hsc->hsc_irid, hsc->hsc_ires);
215 bus_release_resource(dev, SYS_RES_MEMORY, hsc->hsc_srid, hsc->hsc_sres);
216 return (0);
217}
218
219static int
220hme_pci_suspend(device_t dev)
221{
222 struct hme_pci_softc *hsc = device_get_softc(dev);
223 struct hme_softc *sc = &hsc->hsc_hme;
224
225 hme_suspend(sc);
226 return (0);
227}
228
229static int
230hme_pci_resume(device_t dev)
231{
232 struct hme_pci_softc *hsc = device_get_softc(dev);
233 struct hme_softc *sc = &hsc->hsc_hme;
234
235 hme_resume(sc);
236 return (0);
237}
|
| |