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Diffstat (limited to 'arch/powerpc/sysdev/fsl_soc.c')
-rw-r--r--arch/powerpc/sysdev/fsl_soc.c241
1 files changed, 28 insertions, 213 deletions
diff --git a/arch/powerpc/sysdev/fsl_soc.c b/arch/powerpc/sysdev/fsl_soc.c
index 26ecb96f9731..115cb16351fd 100644
--- a/arch/powerpc/sysdev/fsl_soc.c
+++ b/arch/powerpc/sysdev/fsl_soc.c
@@ -207,236 +207,51 @@ static int __init of_add_fixed_phys(void)
207arch_initcall(of_add_fixed_phys); 207arch_initcall(of_add_fixed_phys);
208#endif /* CONFIG_FIXED_PHY */ 208#endif /* CONFIG_FIXED_PHY */
209 209
210static int gfar_mdio_of_init_one(struct device_node *np) 210#ifdef CONFIG_PPC_83xx
211{ 211static int __init mpc83xx_wdt_init(void)
212 int k;
213 struct device_node *child = NULL;
214 struct gianfar_mdio_data mdio_data;
215 struct platform_device *mdio_dev;
216 struct resource res;
217 int ret;
218
219 memset(&res, 0, sizeof(res));
220 memset(&mdio_data, 0, sizeof(mdio_data));
221
222 ret = of_address_to_resource(np, 0, &res);
223 if (ret)
224 return ret;
225
226 /* The gianfar device will try to use the same ID created below to find
227 * this bus, to coordinate register access (since they share). */
228 mdio_dev = platform_device_register_simple("fsl-gianfar_mdio",
229 res.start&0xfffff, &res, 1);
230 if (IS_ERR(mdio_dev))
231 return PTR_ERR(mdio_dev);
232
233 for (k = 0; k < 32; k++)
234 mdio_data.irq[k] = PHY_POLL;
235
236 while ((child = of_get_next_child(np, child)) != NULL) {
237 int irq = irq_of_parse_and_map(child, 0);
238 if (irq != NO_IRQ) {
239 const u32 *id = of_get_property(child, "reg", NULL);
240 mdio_data.irq[*id] = irq;
241 }
242 }
243
244 ret = platform_device_add_data(mdio_dev, &mdio_data,
245 sizeof(struct gianfar_mdio_data));
246 if (ret)
247 platform_device_unregister(mdio_dev);
248
249 return ret;
250}
251
252static int __init gfar_mdio_of_init(void)
253{
254 struct device_node *np = NULL;
255
256 for_each_compatible_node(np, NULL, "fsl,gianfar-mdio")
257 gfar_mdio_of_init_one(np);
258
259 /* try the deprecated version */
260 for_each_compatible_node(np, "mdio", "gianfar");
261 gfar_mdio_of_init_one(np);
262
263 return 0;
264}
265
266arch_initcall(gfar_mdio_of_init);
267
268static const char *gfar_tx_intr = "tx";
269static const char *gfar_rx_intr = "rx";
270static const char *gfar_err_intr = "error";
271
272static int __init gfar_of_init(void)
273{ 212{
213 struct resource r;
274 struct device_node *np; 214 struct device_node *np;
275 unsigned int i; 215 struct platform_device *dev;
276 struct platform_device *gfar_dev; 216 u32 freq = fsl_get_sys_freq();
277 struct resource res;
278 int ret; 217 int ret;
279 218
280 for (np = NULL, i = 0; 219 np = of_find_compatible_node(NULL, "watchdog", "mpc83xx_wdt");
281 (np = of_find_compatible_node(np, "network", "gianfar")) != NULL;
282 i++) {
283 struct resource r[4];
284 struct device_node *phy, *mdio;
285 struct gianfar_platform_data gfar_data;
286 const unsigned int *id;
287 const char *model;
288 const char *ctype;
289 const void *mac_addr;
290 const phandle *ph;
291 int n_res = 2;
292
293 if (!of_device_is_available(np))
294 continue;
295
296 memset(r, 0, sizeof(r));
297 memset(&gfar_data, 0, sizeof(gfar_data));
298
299 ret = of_address_to_resource(np, 0, &r[0]);
300 if (ret)
301 goto err;
302
303 of_irq_to_resource(np, 0, &r[1]);
304
305 model = of_get_property(np, "model", NULL);
306
307 /* If we aren't the FEC we have multiple interrupts */
308 if (model && strcasecmp(model, "FEC")) {
309 r[1].name = gfar_tx_intr;
310
311 r[2].name = gfar_rx_intr;
312 of_irq_to_resource(np, 1, &r[2]);
313 220
314 r[3].name = gfar_err_intr; 221 if (!np) {
315 of_irq_to_resource(np, 2, &r[3]); 222 ret = -ENODEV;
316 223 goto nodev;
317 n_res += 2; 224 }
318 }
319
320 gfar_dev =
321 platform_device_register_simple("fsl-gianfar", i, &r[0],
322 n_res);
323
324 if (IS_ERR(gfar_dev)) {
325 ret = PTR_ERR(gfar_dev);
326 goto err;
327 }
328
329 mac_addr = of_get_mac_address(np);
330 if (mac_addr)
331 memcpy(gfar_data.mac_addr, mac_addr, 6);
332
333 if (model && !strcasecmp(model, "TSEC"))
334 gfar_data.device_flags =
335 FSL_GIANFAR_DEV_HAS_GIGABIT |
336 FSL_GIANFAR_DEV_HAS_COALESCE |
337 FSL_GIANFAR_DEV_HAS_RMON |
338 FSL_GIANFAR_DEV_HAS_MULTI_INTR;
339 if (model && !strcasecmp(model, "eTSEC"))
340 gfar_data.device_flags =
341 FSL_GIANFAR_DEV_HAS_GIGABIT |
342 FSL_GIANFAR_DEV_HAS_COALESCE |
343 FSL_GIANFAR_DEV_HAS_RMON |
344 FSL_GIANFAR_DEV_HAS_MULTI_INTR |
345 FSL_GIANFAR_DEV_HAS_CSUM |
346 FSL_GIANFAR_DEV_HAS_VLAN |
347 FSL_GIANFAR_DEV_HAS_EXTENDED_HASH;
348
349 ctype = of_get_property(np, "phy-connection-type", NULL);
350
351 /* We only care about rgmii-id. The rest are autodetected */
352 if (ctype && !strcmp(ctype, "rgmii-id"))
353 gfar_data.interface = PHY_INTERFACE_MODE_RGMII_ID;
354 else
355 gfar_data.interface = PHY_INTERFACE_MODE_MII;
356
357 if (of_get_property(np, "fsl,magic-packet", NULL))
358 gfar_data.device_flags |= FSL_GIANFAR_DEV_HAS_MAGIC_PACKET;
359
360 ph = of_get_property(np, "phy-handle", NULL);
361 if (ph == NULL) {
362 u32 *fixed_link;
363
364 fixed_link = (u32 *)of_get_property(np, "fixed-link",
365 NULL);
366 if (!fixed_link) {
367 ret = -ENODEV;
368 goto unreg;
369 }
370
371 snprintf(gfar_data.bus_id, MII_BUS_ID_SIZE, "0");
372 gfar_data.phy_id = fixed_link[0];
373 } else {
374 phy = of_find_node_by_phandle(*ph);
375
376 if (phy == NULL) {
377 ret = -ENODEV;
378 goto unreg;
379 }
380
381 mdio = of_get_parent(phy);
382
383 id = of_get_property(phy, "reg", NULL);
384 ret = of_address_to_resource(mdio, 0, &res);
385 if (ret) {
386 of_node_put(phy);
387 of_node_put(mdio);
388 goto unreg;
389 }
390
391 gfar_data.phy_id = *id;
392 snprintf(gfar_data.bus_id, MII_BUS_ID_SIZE, "%llx",
393 (unsigned long long)res.start&0xfffff);
394 225
395 of_node_put(phy); 226 memset(&r, 0, sizeof(r));
396 of_node_put(mdio);
397 }
398 227
399 /* Get MDIO bus controlled by this eTSEC, if any. Normally only 228 ret = of_address_to_resource(np, 0, &r);
400 * eTSEC 1 will control an MDIO bus, not necessarily the same 229 if (ret)
401 * bus that its PHY is on ('mdio' above), so we can't just use 230 goto err;
402 * that. What we do is look for a gianfar mdio device that has
403 * overlapping registers with this device. That's really the
404 * whole point, to find the device sharing our registers to
405 * coordinate access with it.
406 */
407 for_each_compatible_node(mdio, NULL, "fsl,gianfar-mdio") {
408 if (of_address_to_resource(mdio, 0, &res))
409 continue;
410
411 if (res.start >= r[0].start && res.end <= r[0].end) {
412 /* Get the ID the mdio bus platform device was
413 * registered with. gfar_data.bus_id is
414 * different because it's for finding a PHY,
415 * while this is for finding a MII bus.
416 */
417 gfar_data.mdio_bus = res.start&0xfffff;
418 of_node_put(mdio);
419 break;
420 }
421 }
422 231
423 ret = 232 dev = platform_device_register_simple("mpc83xx_wdt", 0, &r, 1);
424 platform_device_add_data(gfar_dev, &gfar_data, 233 if (IS_ERR(dev)) {
425 sizeof(struct 234 ret = PTR_ERR(dev);
426 gianfar_platform_data)); 235 goto err;
427 if (ret)
428 goto unreg;
429 } 236 }
430 237
238 ret = platform_device_add_data(dev, &freq, sizeof(freq));
239 if (ret)
240 goto unreg;
241
242 of_node_put(np);
431 return 0; 243 return 0;
432 244
433unreg: 245unreg:
434 platform_device_unregister(gfar_dev); 246 platform_device_unregister(dev);
435err: 247err:
248 of_node_put(np);
249nodev:
436 return ret; 250 return ret;
437} 251}
438 252
439arch_initcall(gfar_of_init); 253arch_initcall(mpc83xx_wdt_init);
254#endif
440 255
441static enum fsl_usb2_phy_modes determine_usb_phy(const char *phy_type) 256static enum fsl_usb2_phy_modes determine_usb_phy(const char *phy_type)
442{ 257{
generated by cgit v1.2.2 (git 2.25.0) at 2025-02-26 09:42:54 -0500