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if_gem_pci.c (172334) if_gem_pci.c (174987)
1/*-
2 * Copyright (C) 2001 Eduardo Horvath.
1/*-
2 * Copyright (C) 2001 Eduardo Horvath.
3 * Copyright (c) 2007 Marius Strobl <marius@FreeBSD.org>
3 * All rights reserved.
4 *
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.

--- 12 unchanged lines hidden (view full) ---

23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
27 * from: NetBSD: if_gem_pci.c,v 1.7 2001/10/18 15:09:15 thorpej Exp
28 */
29
30#include <sys/cdefs.h>
4 * All rights reserved.
5 *
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.

--- 12 unchanged lines hidden (view full) ---

24 * LIABILITY, 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_gem_pci.c,v 1.7 2001/10/18 15:09:15 thorpej Exp
29 */
30
31#include <sys/cdefs.h>
31__FBSDID("$FreeBSD: head/sys/dev/gem/if_gem_pci.c 172334 2007-09-26 21:14:18Z marius $");
32__FBSDID("$FreeBSD: head/sys/dev/gem/if_gem_pci.c 174987 2007-12-30 01:32:03Z marius $");
32
33/*
34 * PCI bindings for Apple GMAC, Sun ERI and Sun GEM Ethernet controllers
35 */
36
37#include <sys/param.h>
38#include <sys/systm.h>
39#include <sys/bus.h>

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58#include <dev/gem/if_gemreg.h>
59#include <dev/gem/if_gemvar.h>
60
61#include <dev/pci/pcireg.h>
62#include <dev/pci/pcivar.h>
63
64#include "miibus_if.h"
65
33
34/*
35 * PCI bindings for Apple GMAC, Sun ERI and Sun GEM Ethernet controllers
36 */
37
38#include <sys/param.h>
39#include <sys/systm.h>
40#include <sys/bus.h>

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59#include <dev/gem/if_gemreg.h>
60#include <dev/gem/if_gemvar.h>
61
62#include <dev/pci/pcireg.h>
63#include <dev/pci/pcivar.h>
64
65#include "miibus_if.h"
66
66static int gem_pci_probe(device_t);
67static int gem_pci_attach(device_t);
68static int gem_pci_detach(device_t);
69static int gem_pci_suspend(device_t);
70static int gem_pci_resume(device_t);
67static int gem_pci_attach(device_t dev);
68static int gem_pci_detach(device_t dev);
69static int gem_pci_probe(device_t dev);
70static int gem_pci_resume(device_t dev);
71static int gem_pci_suspend(device_t dev);
71
72static device_method_t gem_pci_methods[] = {
73 /* Device interface */
74 DEVMETHOD(device_probe, gem_pci_probe),
75 DEVMETHOD(device_attach, gem_pci_attach),
76 DEVMETHOD(device_detach, gem_pci_detach),
77 DEVMETHOD(device_suspend, gem_pci_suspend),
78 DEVMETHOD(device_resume, gem_pci_resume),

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113 { 0x0032106b, GEM_APPLE_GMAC, "Apple UniNorth2 GMAC Ethernet" },
114 { 0x004c106b, GEM_APPLE_K2_GMAC,"Apple K2 GMAC Ethernet" },
115 { 0x0051106b, GEM_APPLE_GMAC, "Apple Shasta GMAC Ethernet" },
116 { 0x006b106b, GEM_APPLE_GMAC, "Apple Intrepid 2 GMAC Ethernet" },
117 { 0, 0, NULL }
118};
119
120static int
72
73static device_method_t gem_pci_methods[] = {
74 /* Device interface */
75 DEVMETHOD(device_probe, gem_pci_probe),
76 DEVMETHOD(device_attach, gem_pci_attach),
77 DEVMETHOD(device_detach, gem_pci_detach),
78 DEVMETHOD(device_suspend, gem_pci_suspend),
79 DEVMETHOD(device_resume, gem_pci_resume),

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114 { 0x0032106b, GEM_APPLE_GMAC, "Apple UniNorth2 GMAC Ethernet" },
115 { 0x004c106b, GEM_APPLE_K2_GMAC,"Apple K2 GMAC Ethernet" },
116 { 0x0051106b, GEM_APPLE_GMAC, "Apple Shasta GMAC Ethernet" },
117 { 0x006b106b, GEM_APPLE_GMAC, "Apple Intrepid 2 GMAC Ethernet" },
118 { 0, 0, NULL }
119};
120
121static int
121gem_pci_probe(dev)
122 device_t dev;
122gem_pci_probe(device_t dev)
123{
124 int i;
125
126 for (i = 0; gem_pci_devlist[i].gpd_desc != NULL; i++) {
127 if (pci_get_devid(dev) == gem_pci_devlist[i].gpd_devid) {
128 device_set_desc(dev, gem_pci_devlist[i].gpd_desc);
129 return (BUS_PROBE_DEFAULT);
130 }

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135
136static struct resource_spec gem_pci_res_spec[] = {
137 { SYS_RES_MEMORY, PCIR_BAR(0), RF_ACTIVE },
138 { SYS_RES_IRQ, 0, RF_SHAREABLE | RF_ACTIVE },
139 { -1, 0 }
140};
141
142static int
123{
124 int i;
125
126 for (i = 0; gem_pci_devlist[i].gpd_desc != NULL; i++) {
127 if (pci_get_devid(dev) == gem_pci_devlist[i].gpd_devid) {
128 device_set_desc(dev, gem_pci_devlist[i].gpd_desc);
129 return (BUS_PROBE_DEFAULT);
130 }

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135
136static struct resource_spec gem_pci_res_spec[] = {
137 { SYS_RES_MEMORY, PCIR_BAR(0), RF_ACTIVE },
138 { SYS_RES_IRQ, 0, RF_SHAREABLE | RF_ACTIVE },
139 { -1, 0 }
140};
141
142static int
143gem_pci_attach(dev)
144 device_t dev;
143gem_pci_attach(device_t dev)
145{
146 struct gem_softc *sc;
147 int i;
148#if !(defined(__powerpc__) || defined(__sparc64__))
149 int j;
150#endif
151
152 sc = device_get_softc(dev);

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161 device_printf(dev, "unknown adaptor\n");
162 return (ENXIO);
163 }
164
165 pci_enable_busmaster(dev);
166
167 /*
168 * Some Sun GEMs/ERIs do have their intpin register bogusly set to 0,
144{
145 struct gem_softc *sc;
146 int i;
147#if !(defined(__powerpc__) || defined(__sparc64__))
148 int j;
149#endif
150
151 sc = device_get_softc(dev);

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160 device_printf(dev, "unknown adaptor\n");
161 return (ENXIO);
162 }
163
164 pci_enable_busmaster(dev);
165
166 /*
167 * Some Sun GEMs/ERIs do have their intpin register bogusly set to 0,
169 * although it should be 1. correct that.
168 * although it should be 1. Correct that.
170 */
171 if (pci_get_intpin(dev) == 0)
172 pci_set_intpin(dev, 1);
173
174 sc->sc_dev = dev;
169 */
170 if (pci_get_intpin(dev) == 0)
171 pci_set_intpin(dev, 1);
172
173 sc->sc_dev = dev;
175 sc->sc_flags |= GEM_PCI; /* XXX */
174 sc->sc_flags |= GEM_PCI;
176
177 if (bus_alloc_resources(dev, gem_pci_res_spec, sc->sc_res)) {
178 device_printf(dev, "failed to allocate resources\n");
179 bus_release_resources(dev, gem_pci_res_spec, sc->sc_res);
180 return (ENXIO);
181 }
182
183 GEM_LOCK_INIT(sc, device_get_nameunit(dev));

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220#define GEM_ROM_READ_N(n, sc, offs) \
221 bus_read_ ## n ((sc)->sc_res[0], GEM_PCI_ROM_OFFSET + (offs))
222#define GEM_ROM_READ_1(sc, offs) GEM_ROM_READ_N(1, (sc), (offs))
223#define GEM_ROM_READ_2(sc, offs) GEM_ROM_READ_N(2, (sc), (offs))
224#define GEM_ROM_READ_4(sc, offs) GEM_ROM_READ_N(4, (sc), (offs))
225
226 /* Read PCI Expansion ROM header. */
227 if (GEM_ROM_READ_2(sc, PCI_ROMHDR_SIG) != PCI_ROMHDR_SIG_MAGIC ||
175
176 if (bus_alloc_resources(dev, gem_pci_res_spec, sc->sc_res)) {
177 device_printf(dev, "failed to allocate resources\n");
178 bus_release_resources(dev, gem_pci_res_spec, sc->sc_res);
179 return (ENXIO);
180 }
181
182 GEM_LOCK_INIT(sc, device_get_nameunit(dev));

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219#define GEM_ROM_READ_N(n, sc, offs) \
220 bus_read_ ## n ((sc)->sc_res[0], GEM_PCI_ROM_OFFSET + (offs))
221#define GEM_ROM_READ_1(sc, offs) GEM_ROM_READ_N(1, (sc), (offs))
222#define GEM_ROM_READ_2(sc, offs) GEM_ROM_READ_N(2, (sc), (offs))
223#define GEM_ROM_READ_4(sc, offs) GEM_ROM_READ_N(4, (sc), (offs))
224
225 /* Read PCI Expansion ROM header. */
226 if (GEM_ROM_READ_2(sc, PCI_ROMHDR_SIG) != PCI_ROMHDR_SIG_MAGIC ||
228 (i = GEM_ROM_READ_2(sc, PCI_ROMHDR_PTR_DATA)) < PCI_ROMHDR_SIZE) {
227 (i = GEM_ROM_READ_2(sc, PCI_ROMHDR_PTR_DATA)) <
228 PCI_ROMHDR_SIZE) {
229 device_printf(dev, "unexpected PCI Expansion ROM header\n");
230 goto fail;
231 }
232
233 /* Read PCI Expansion ROM data. */
234 if (GEM_ROM_READ_4(sc, i + PCI_ROM_SIG) != PCI_ROM_SIG_MAGIC ||
235 GEM_ROM_READ_2(sc, i + PCI_ROM_VENDOR) != pci_get_vendor(dev) ||
236 GEM_ROM_READ_2(sc, i + PCI_ROM_DEVICE) != pci_get_device(dev) ||
229 device_printf(dev, "unexpected PCI Expansion ROM header\n");
230 goto fail;
231 }
232
233 /* Read PCI Expansion ROM data. */
234 if (GEM_ROM_READ_4(sc, i + PCI_ROM_SIG) != PCI_ROM_SIG_MAGIC ||
235 GEM_ROM_READ_2(sc, i + PCI_ROM_VENDOR) != pci_get_vendor(dev) ||
236 GEM_ROM_READ_2(sc, i + PCI_ROM_DEVICE) != pci_get_device(dev) ||
237 (j = GEM_ROM_READ_2(sc, i + PCI_ROM_PTR_VPD)) < i + PCI_ROM_SIZE) {
237 (j = GEM_ROM_READ_2(sc, i + PCI_ROM_PTR_VPD)) <
238 i + PCI_ROM_SIZE) {
238 device_printf(dev, "unexpected PCI Expansion ROM data\n");
239 goto fail;
240 }
241
242 /*
243 * Read PCI VPD.
244 * SUNW,pci-gem cards have a single large resource VPD-R tag
239 device_printf(dev, "unexpected PCI Expansion ROM data\n");
240 goto fail;
241 }
242
243 /*
244 * Read PCI VPD.
245 * SUNW,pci-gem cards have a single large resource VPD-R tag
245 * containing one NA. The VPD used is not in PCI 2.2 standard
246 * format however. The length in the resource header is in big
246 * containing one NA. The VPD used is not in PCI 2.2 standard
247 * format however. The length in the resource header is in big
247 * endian and the end tag is non-standard (0x79) and followed
248 * endian and the end tag is non-standard (0x79) and followed
248 * by an all-zero "checksum" byte. Sun calls this a "Fresh
249 * by an all-zero "checksum" byte. Sun calls this a "Fresh
249 * Choice Ethernet" VPD...
250 */
250 * Choice Ethernet" VPD...
251 */
251 if (PCI_VPDRES_ISLARGE(GEM_ROM_READ_1(sc, j + PCI_VPDRES_BYTE0)) == 0 ||
252 PCI_VPDRES_LARGE_NAME(GEM_ROM_READ_1(sc, j + PCI_VPDRES_BYTE0)) !=
252 if (PCI_VPDRES_ISLARGE(GEM_ROM_READ_1(sc,
253 j + PCI_VPDRES_BYTE0)) == 0 ||
254 PCI_VPDRES_LARGE_NAME(GEM_ROM_READ_1(sc,
255 j + PCI_VPDRES_BYTE0)) !=
253 PCI_VPDRES_TYPE_VPD ||
254 (GEM_ROM_READ_1(sc, j + PCI_VPDRES_LARGE_LEN_LSB) << 8 |
255 GEM_ROM_READ_1(sc, j + PCI_VPDRES_LARGE_LEN_MSB)) !=
256 PCI_VPD_SIZE + ETHER_ADDR_LEN ||
257 GEM_ROM_READ_1(sc, j + PCI_VPDRES_LARGE_DATA + PCI_VPD_KEY0) !=
258 0x4e /* N */ ||
259 GEM_ROM_READ_1(sc, j + PCI_VPDRES_LARGE_DATA + PCI_VPD_KEY1) !=
260 0x41 /* A */ ||

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265 device_printf(dev, "unexpected PCI VPD\n");
266 goto fail;
267 }
268 bus_read_region_1(sc->sc_res[0], GEM_PCI_ROM_OFFSET + j +
269 PCI_VPDRES_LARGE_DATA + PCI_VPD_DATA, sc->sc_enaddr,
270 ETHER_ADDR_LEN);
271#endif
272
256 PCI_VPDRES_TYPE_VPD ||
257 (GEM_ROM_READ_1(sc, j + PCI_VPDRES_LARGE_LEN_LSB) << 8 |
258 GEM_ROM_READ_1(sc, j + PCI_VPDRES_LARGE_LEN_MSB)) !=
259 PCI_VPD_SIZE + ETHER_ADDR_LEN ||
260 GEM_ROM_READ_1(sc, j + PCI_VPDRES_LARGE_DATA + PCI_VPD_KEY0) !=
261 0x4e /* N */ ||
262 GEM_ROM_READ_1(sc, j + PCI_VPDRES_LARGE_DATA + PCI_VPD_KEY1) !=
263 0x41 /* A */ ||

--- 4 unchanged lines hidden (view full) ---

268 device_printf(dev, "unexpected PCI VPD\n");
269 goto fail;
270 }
271 bus_read_region_1(sc->sc_res[0], GEM_PCI_ROM_OFFSET + j +
272 PCI_VPDRES_LARGE_DATA + PCI_VPD_DATA, sc->sc_enaddr,
273 ETHER_ADDR_LEN);
274#endif
275
273 /*
274 * call the main configure
275 */
276 if (gem_attach(sc) != 0) {
276 if (gem_attach(sc) != 0) {
277 device_printf(dev, "could not be configured\n");
277 device_printf(dev, "could not be attached\n");
278 goto fail;
279 }
280
281 if (bus_setup_intr(dev, sc->sc_res[1], INTR_TYPE_NET | INTR_MPSAFE,
282 NULL, gem_intr, sc, &sc->sc_ih) != 0) {
283 device_printf(dev, "failed to set up interrupt\n");
284 gem_detach(sc);
285 goto fail;
286 }
287 return (0);
288
278 goto fail;
279 }
280
281 if (bus_setup_intr(dev, sc->sc_res[1], INTR_TYPE_NET | INTR_MPSAFE,
282 NULL, gem_intr, sc, &sc->sc_ih) != 0) {
283 device_printf(dev, "failed to set up interrupt\n");
284 gem_detach(sc);
285 goto fail;
286 }
287 return (0);
288
289fail:
289 fail:
290 GEM_LOCK_DESTROY(sc);
291 bus_release_resources(dev, gem_pci_res_spec, sc->sc_res);
292 return (ENXIO);
293}
294
295static int
290 GEM_LOCK_DESTROY(sc);
291 bus_release_resources(dev, gem_pci_res_spec, sc->sc_res);
292 return (ENXIO);
293}
294
295static int
296gem_pci_detach(dev)
297 device_t dev;
296gem_pci_detach(device_t dev)
298{
297{
299 struct gem_softc *sc = device_get_softc(dev);
298 struct gem_softc *sc;
300
299
300 sc = device_get_softc(dev);
301 bus_teardown_intr(dev, sc->sc_res[1], sc->sc_ih);
302 gem_detach(sc);
303 GEM_LOCK_DESTROY(sc);
304 bus_release_resources(dev, gem_pci_res_spec, sc->sc_res);
305 return (0);
306}
307
308static int
301 bus_teardown_intr(dev, sc->sc_res[1], sc->sc_ih);
302 gem_detach(sc);
303 GEM_LOCK_DESTROY(sc);
304 bus_release_resources(dev, gem_pci_res_spec, sc->sc_res);
305 return (0);
306}
307
308static int
309gem_pci_suspend(dev)
310 device_t dev;
309gem_pci_suspend(device_t dev)
311{
310{
312 struct gem_softc *sc = device_get_softc(dev);
311 struct gem_softc *sc;
313
312
313 sc = device_get_softc(dev);
314 gem_suspend(sc);
315 return (0);
316}
317
318static int
314 gem_suspend(sc);
315 return (0);
316}
317
318static int
319gem_pci_resume(dev)
320 device_t dev;
319gem_pci_resume(device_t dev)
321{
320{
322 struct gem_softc *sc = device_get_softc(dev);
321 struct gem_softc *sc;
323
322
323 sc = device_get_softc(dev);
324 gem_resume(sc);
325 return (0);
326}
324 gem_resume(sc);
325 return (0);
326}