add stmac read mac form eeprom

hc

2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/drivers/macintosh/macio_asic.c
..
..
@@ -1,14 +1,10 @@
1
+// SPDX-License-Identifier: GPL-2.0-or-later
1
2
 /*
2
3
  * Bus & driver management routines for devices within
3
4
  * a MacIO ASIC. Interface to new driver model mostly
4
5
  * stolen from the PCI version.
5
6
  * 
6
7
  *  Copyright (C) 2005 Ben. Herrenschmidt (benh@kernel.crashing.org)
7
- *
8
- *  This program is free software; you can redistribute it and/or
9
- *  modify it under the terms of the GNU General Public License
10
- *  as published by the Free Software Foundation; either version
11
- *  2 of the License, or (at your option) any later version.
12
8
  *
13
9
  * TODO:
14
10
  * 
..
..
@@ -190,11 +186,11 @@
190
186
 		return 0;
191
187
 
192
188
 	/* Grand Central has too large resource 0 on some machines */
193
-	if (index == 0 && !strcmp(np->name, "gc"))
189
+	if (index == 0 && of_node_name_eq(np, "gc"))
194
190
 		res->end = res->start + 0x1ffff;
195
191
 
196
192
 	/* Airport has bogus resource 2 */
197
-	if (index >= 2 && !strcmp(np->name, "radio"))
193
+	if (index >= 2 && of_node_name_eq(np, "radio"))
198
194
 		return 1;
199
195
 
200
196
 #ifndef CONFIG_PPC64
..
..
@@ -207,21 +203,21 @@
207
203
 	 * level of hierarchy, but I don't really feel the need
208
204
 	 * for it
209
205
 	 */
210
-	if (!strcmp(np->name, "escc"))
206
+	if (of_node_name_eq(np, "escc"))
211
207
 		return 1;
212
208
 
213
209
 	/* ESCC has bogus resources >= 3 */
214
-	if (index >= 3 && !(strcmp(np->name, "ch-a") &&
215
-			    strcmp(np->name, "ch-b")))
210
+	if (index >= 3 && (of_node_name_eq(np, "ch-a") ||
211
+			   of_node_name_eq(np, "ch-b")))
216
212
 		return 1;
217
213
 
218
214
 	/* Media bay has too many resources, keep only first one */
219
-	if (index > 0 && !strcmp(np->name, "media-bay"))
215
+	if (index > 0 && of_node_name_eq(np, "media-bay"))
220
216
 		return 1;
221
217
 
222
218
 	/* Some older IDE resources have bogus sizes */
223
-	if (!(strcmp(np->name, "IDE") && strcmp(np->name, "ATA") &&
224
-	      strcmp(np->type, "ide") && strcmp(np->type, "ata"))) {
219
+	if (of_node_name_eq(np, "IDE") || of_node_name_eq(np, "ATA") ||
220
+	    of_node_is_type(np, "ide") || of_node_is_type(np, "ata")) {
225
221
 		if (index == 0 && (res->end - res->start) > 0xfff)
226
222
 			res->end = res->start + 0xfff;
227
223
 		if (index == 1 && (res->end - res->start) > 0xff)
..
..
@@ -260,7 +256,7 @@
260
256
 	irq_base = 64;
261
257
 
262
258
 	/* Fix SCC */
263
-	if (strcmp(np->name, "ch-a") == 0) {
259
+	if (of_node_name_eq(np, "ch-a")) {
264
260
 		macio_create_fixup_irq(dev, 0, 15 + irq_base);
265
261
 		macio_create_fixup_irq(dev, 1,  4 + irq_base);
266
262
 		macio_create_fixup_irq(dev, 2,  5 + irq_base);
..
..
@@ -268,18 +264,18 @@
268
264
 	}
269
265
 
270
266
 	/* Fix media-bay */
271
-	if (strcmp(np->name, "media-bay") == 0) {
267
+	if (of_node_name_eq(np, "media-bay")) {
272
268
 		macio_create_fixup_irq(dev, 0, 29 + irq_base);
273
269
 		printk(KERN_INFO "macio: fixed media-bay irq on gatwick\n");
274
270
 	}
275
271
 
276
272
 	/* Fix left media bay childs */
277
-	if (dev->media_bay != NULL && strcmp(np->name, "floppy") == 0) {
273
+	if (dev->media_bay != NULL && of_node_name_eq(np, "floppy")) {
278
274
 		macio_create_fixup_irq(dev, 0, 19 + irq_base);
279
275
 		macio_create_fixup_irq(dev, 1,  1 + irq_base);
280
276
 		printk(KERN_INFO "macio: fixed left floppy irqs\n");
281
277
 	}
282
-	if (dev->media_bay != NULL && strcasecmp(np->name, "ata4") == 0) {
278
+	if (dev->media_bay != NULL && of_node_name_eq(np, "ata4")) {
283
279
 		macio_create_fixup_irq(dev, 0, 14 + irq_base);
284
280
 		macio_create_fixup_irq(dev, 0,  3 + irq_base);
285
281
 		printk(KERN_INFO "macio: fixed left ide irqs\n");
..
..
@@ -360,9 +356,10 @@
360
356
 					       struct macio_dev *in_bay,
361
357
 					       struct resource *parent_res)
362
358
 {
359
+	char name[MAX_NODE_NAME_SIZE + 1];
363
360
 	struct macio_dev *dev;
364
361
 	const u32 *reg;
365
-	
362
+
366
363
 	if (np == NULL)
367
364
 		return NULL;
368
365
 
..
..
@@ -385,7 +382,7 @@
385
382
 	dma_set_max_seg_size(&dev->ofdev.dev, 65536);
386
383
 	dma_set_seg_boundary(&dev->ofdev.dev, 0xffffffff);
387
384
 
388
-#ifdef CONFIG_PCI
385
+#if defined(CONFIG_PCI) && defined(CONFIG_DMA_OPS)
389
386
 	/* Set the DMA ops to the ones from the PCI device, this could be
390
387
 	 * fishy if we didn't know that on PowerMac it's always direct ops
391
388
 	 * or iommu ops that will work fine
..
..
@@ -394,7 +391,7 @@
394
391
 	 */
395
392
 	dev->ofdev.dev.archdata = chip->lbus.pdev->dev.archdata;
396
393
 	dev->ofdev.dev.dma_ops = chip->lbus.pdev->dev.dma_ops;
397
-#endif /* CONFIG_PCI */
394
+#endif /* CONFIG_PCI && CONFIG_DMA_OPS */
398
395
 
399
396
 #ifdef DEBUG
400
397
 	printk("preparing mdev @%p, ofdev @%p, dev @%p, kobj @%p\n",
..
..
@@ -402,6 +399,7 @@
402
399
 #endif
403
400
 
404
401
 	/* MacIO itself has a different reg, we use it's PCI base */
402
+	snprintf(name, sizeof(name), "%pOFn", np);
405
403
 	if (np == chip->of_node) {
406
404
 		dev_set_name(&dev->ofdev.dev, "%1d.%08x:%.*s",
407
405
 			     chip->lbus.index,
..
..
@@ -410,12 +408,12 @@
410
408
 #else
411
409
 			0, /* NuBus may want to do something better here */
412
410
 #endif
413
-			MAX_NODE_NAME_SIZE, np->name);
411
+			MAX_NODE_NAME_SIZE, name);
414
412
 	} else {
415
413
 		reg = of_get_property(np, "reg", NULL);
416
414
 		dev_set_name(&dev->ofdev.dev, "%1d.%08x:%.*s",
417
415
 			     chip->lbus.index,
418
-			     reg ? *reg : 0, MAX_NODE_NAME_SIZE, np->name);
416
+			     reg ? *reg : 0, MAX_NODE_NAME_SIZE, name);
419
417
 	}
420
418
 
421
419
 	/* Setup interrupts & resources */
..
..
@@ -436,11 +434,8 @@
436
434
 
437
435
 static int macio_skip_device(struct device_node *np)
438
436
 {
439
-	if (strncmp(np->name, "battery", 7) == 0)
440
-		return 1;
441
-	if (strncmp(np->name, "escc-legacy", 11) == 0)
442
-		return 1;
443
-	return 0;
437
+	return of_node_name_prefix(np, "battery") ||
438
+	       of_node_name_prefix(np, "escc-legacy");
444
439
 }
445
440
 
446
441
 /**
..
..
@@ -487,9 +482,9 @@
487
482
 					    root_res);
488
483
 		if (mdev == NULL)
489
484
 			of_node_put(np);
490
-		else if (strncmp(np->name, "media-bay", 9) == 0)
485
+		else if (of_node_name_prefix(np, "media-bay"))
491
486
 			mbdev = mdev;
492
-		else if (strncmp(np->name, "escc", 4) == 0)
487
+		else if (of_node_name_prefix(np, "escc"))
493
488
 			sdev = mdev;
494
489
 	}
495
490