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if_gem_pci.c (174987) if_gem_pci.c (177560)
1/*-
2 * Copyright (C) 2001 Eduardo Horvath.
3 * Copyright (c) 2007 Marius Strobl <marius@FreeBSD.org>
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

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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>
1/*-
2 * Copyright (C) 2001 Eduardo Horvath.
3 * Copyright (c) 2007 Marius Strobl <marius@FreeBSD.org>
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

--- 15 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>
32__FBSDID("$FreeBSD: head/sys/dev/gem/if_gem_pci.c 174987 2007-12-30 01:32:03Z marius $");
32__FBSDID("$FreeBSD: head/sys/dev/gem/if_gem_pci.c 177560 2008-03-24 17:23:53Z marius $");
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>
41#include <sys/kernel.h>
42#include <sys/lock.h>
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>
41#include <sys/kernel.h>
42#include <sys/lock.h>
43#include <sys/malloc.h>
43#include <sys/module.h>
44#include <sys/mutex.h>
45#include <sys/resource.h>
46#include <sys/rman.h>
47#include <sys/socket.h>
48
49#include <net/ethernet.h>
50#include <net/if.h>

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129 return (BUS_PROBE_DEFAULT);
130 }
131 }
132
133 return (ENXIO);
134}
135
136static struct resource_spec gem_pci_res_spec[] = {
44#include <sys/module.h>
45#include <sys/mutex.h>
46#include <sys/resource.h>
47#include <sys/rman.h>
48#include <sys/socket.h>
49
50#include <net/ethernet.h>
51#include <net/if.h>

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130 return (BUS_PROBE_DEFAULT);
131 }
132 }
133
134 return (ENXIO);
135}
136
137static 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 },
138 { SYS_RES_IRQ, 0, RF_SHAREABLE | RF_ACTIVE }, /* GEM_RES_INTR */
139 { SYS_RES_MEMORY, PCIR_BAR(0), RF_ACTIVE }, /* GEM_RES_BANK1 */
139 { -1, 0 }
140};
141
142static int
143gem_pci_attach(device_t dev)
144{
145 struct gem_softc *sc;
146 int i;

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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));
183
140 { -1, 0 }
141};
142
143static int
144gem_pci_attach(device_t dev)
145{
146 struct gem_softc *sc;
147 int i;

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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));
184
185 /*
186 * Derive GEM_RES_BANK2 from GEM_RES_BANK1. This seemed cleaner
187 * with the old way of using copies of the bus tag and handle in
188 * the softc along with bus_space_*()...
189 */
190 sc->sc_res[GEM_RES_BANK2] = malloc(sizeof(*sc->sc_res[GEM_RES_BANK2]),
191 M_DEVBUF, M_NOWAIT | M_ZERO);
192 if (sc->sc_res[GEM_RES_BANK2] == NULL) {
193 device_printf(dev, "failed to allocate bank2 resource\n");
194 goto fail;
195 }
196 rman_set_bustag(sc->sc_res[GEM_RES_BANK2],
197 rman_get_bustag(sc->sc_res[GEM_RES_BANK1]));
198 bus_space_subregion(rman_get_bustag(sc->sc_res[GEM_RES_BANK1]),
199 rman_get_bushandle(sc->sc_res[GEM_RES_BANK1]),
200 GEM_PCI_BANK2_OFFSET, GEM_PCI_BANK2_SIZE,
201 &sc->sc_res[GEM_RES_BANK2]->r_bushandle);
202
184#if defined(__powerpc__) || defined(__sparc64__)
185 OF_getetheraddr(dev, sc->sc_enaddr);
186#else
187 /*
188 * Dig out VPD (vital product data) and read NA (network address).
189 * The VPD of GEM resides in the PCI Expansion ROM (PCI FCode) and
190 * can't be accessed via the PCI capability pointer.
191 * ``Writing FCode 3.x Programs'' (newer ones, dated 1997 and later)

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211#define PCI_VPDRES_LARGE_LEN_MSB 0x02
212#define PCI_VPDRES_LARGE_DATA 0x03
213#define PCI_VPD_SIZE 0x03
214#define PCI_VPD_KEY0 0x00
215#define PCI_VPD_KEY1 0x01
216#define PCI_VPD_LEN 0x02
217#define PCI_VPD_DATA 0x03
218
203#if defined(__powerpc__) || defined(__sparc64__)
204 OF_getetheraddr(dev, sc->sc_enaddr);
205#else
206 /*
207 * Dig out VPD (vital product data) and read NA (network address).
208 * The VPD of GEM resides in the PCI Expansion ROM (PCI FCode) and
209 * can't be accessed via the PCI capability pointer.
210 * ``Writing FCode 3.x Programs'' (newer ones, dated 1997 and later)

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230#define PCI_VPDRES_LARGE_LEN_MSB 0x02
231#define PCI_VPDRES_LARGE_DATA 0x03
232#define PCI_VPD_SIZE 0x03
233#define PCI_VPD_KEY0 0x00
234#define PCI_VPD_KEY1 0x01
235#define PCI_VPD_LEN 0x02
236#define PCI_VPD_DATA 0x03
237
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))
238#define GEM_ROM_READ_1(sc, offs) \
239 GEM_BANK1_READ_1((sc), GEM_PCI_ROM_OFFSET + (offs))
240#define GEM_ROM_READ_2(sc, offs) \
241 GEM_BANK1_READ_2((sc), GEM_PCI_ROM_OFFSET + (offs))
242#define GEM_ROM_READ_4(sc, offs) \
243 GEM_BANK1_READ_4((sc), GEM_PCI_ROM_OFFSET + (offs))
224
225 /* Read PCI Expansion ROM header. */
226 if (GEM_ROM_READ_2(sc, PCI_ROMHDR_SIG) != PCI_ROMHDR_SIG_MAGIC ||
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 }

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247 * format however. The length in the resource header is in big
248 * endian and the end tag is non-standard (0x79) and followed
249 * by an all-zero "checksum" byte. Sun calls this a "Fresh
250 * Choice Ethernet" VPD...
251 */
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,
244
245 /* Read PCI Expansion ROM header. */
246 if (GEM_ROM_READ_2(sc, PCI_ROMHDR_SIG) != PCI_ROMHDR_SIG_MAGIC ||
247 (i = GEM_ROM_READ_2(sc, PCI_ROMHDR_PTR_DATA)) <
248 PCI_ROMHDR_SIZE) {
249 device_printf(dev, "unexpected PCI Expansion ROM header\n");
250 goto fail;
251 }

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267 * format however. The length in the resource header is in big
268 * endian and the end tag is non-standard (0x79) and followed
269 * by an all-zero "checksum" byte. Sun calls this a "Fresh
270 * Choice Ethernet" VPD...
271 */
272 if (PCI_VPDRES_ISLARGE(GEM_ROM_READ_1(sc,
273 j + PCI_VPDRES_BYTE0)) == 0 ||
274 PCI_VPDRES_LARGE_NAME(GEM_ROM_READ_1(sc,
255 j + PCI_VPDRES_BYTE0)) !=
256 PCI_VPDRES_TYPE_VPD ||
275 j + PCI_VPDRES_BYTE0)) != 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 */ ||
264 GEM_ROM_READ_1(sc, j + PCI_VPDRES_LARGE_DATA + PCI_VPD_LEN) !=
265 ETHER_ADDR_LEN ||
266 GEM_ROM_READ_1(sc, j + PCI_VPDRES_LARGE_DATA + PCI_VPD_DATA +
267 ETHER_ADDR_LEN) != 0x79) {
268 device_printf(dev, "unexpected PCI VPD\n");
269 goto fail;
270 }
276 (GEM_ROM_READ_1(sc, j + PCI_VPDRES_LARGE_LEN_LSB) << 8 |
277 GEM_ROM_READ_1(sc, j + PCI_VPDRES_LARGE_LEN_MSB)) !=
278 PCI_VPD_SIZE + ETHER_ADDR_LEN ||
279 GEM_ROM_READ_1(sc, j + PCI_VPDRES_LARGE_DATA + PCI_VPD_KEY0) !=
280 0x4e /* N */ ||
281 GEM_ROM_READ_1(sc, j + PCI_VPDRES_LARGE_DATA + PCI_VPD_KEY1) !=
282 0x41 /* A */ ||
283 GEM_ROM_READ_1(sc, j + PCI_VPDRES_LARGE_DATA + PCI_VPD_LEN) !=
284 ETHER_ADDR_LEN ||
285 GEM_ROM_READ_1(sc, j + PCI_VPDRES_LARGE_DATA + PCI_VPD_DATA +
286 ETHER_ADDR_LEN) != 0x79) {
287 device_printf(dev, "unexpected PCI VPD\n");
288 goto fail;
289 }
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);
290 bus_read_region_1(sc->sc_res[GEM_RES_BANK1],
291 GEM_PCI_ROM_OFFSET + j + PCI_VPDRES_LARGE_DATA + PCI_VPD_DATA,
292 sc->sc_enaddr, ETHER_ADDR_LEN);
274#endif
275
276 if (gem_attach(sc) != 0) {
277 device_printf(dev, "could not be attached\n");
278 goto fail;
279 }
280
293#endif
294
295 if (gem_attach(sc) != 0) {
296 device_printf(dev, "could not be attached\n");
297 goto fail;
298 }
299
281 if (bus_setup_intr(dev, sc->sc_res[1], INTR_TYPE_NET | INTR_MPSAFE,
282 NULL, gem_intr, sc, &sc->sc_ih) != 0) {
300 if (bus_setup_intr(dev, sc->sc_res[GEM_RES_INTR], INTR_TYPE_NET |
301 INTR_MPSAFE, 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
289 fail:
302 device_printf(dev, "failed to set up interrupt\n");
303 gem_detach(sc);
304 goto fail;
305 }
306 return (0);
307
308 fail:
309 if (sc->sc_res[GEM_RES_BANK2] != NULL)
310 free(sc->sc_res[GEM_RES_BANK2], M_DEVBUF);
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(device_t dev)
297{
298 struct gem_softc *sc;
299
300 sc = device_get_softc(dev);
311 GEM_LOCK_DESTROY(sc);
312 bus_release_resources(dev, gem_pci_res_spec, sc->sc_res);
313 return (ENXIO);
314}
315
316static int
317gem_pci_detach(device_t dev)
318{
319 struct gem_softc *sc;
320
321 sc = device_get_softc(dev);
301 bus_teardown_intr(dev, sc->sc_res[1], sc->sc_ih);
322 bus_teardown_intr(dev, sc->sc_res[GEM_RES_INTR], sc->sc_ih);
302 gem_detach(sc);
323 gem_detach(sc);
324 free(sc->sc_res[GEM_RES_BANK2], M_DEVBUF);
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(device_t dev)
310{

--- 16 unchanged lines hidden --- 		325 GEM_LOCK_DESTROY(sc);
326 bus_release_resources(dev, gem_pci_res_spec, sc->sc_res);
327 return (0);
328}
329
330static int
331gem_pci_suspend(device_t dev)
332{

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