1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright (c) 2013 Google, Inc
4 */
5
6 #include <common.h>
7 #include <dm.h>
8 #include <errno.h>
9 #include <fdtdec.h>
10 #include <log.h>
11 #include <malloc.h>
12 #include <asm/global_data.h>
13 #include <asm/io.h>
14 #include <dm/test.h>
15 #include <dm/root.h>
16 #include <dm/device-internal.h>
17 #include <dm/devres.h>
18 #include <dm/uclass-internal.h>
19 #include <dm/util.h>
20 #include <dm/lists.h>
21 #include <dm/of_access.h>
22 #include <linux/ioport.h>
23 #include <test/test.h>
24 #include <test/ut.h>
25
26 DECLARE_GLOBAL_DATA_PTR;
27
28 struct dm_testprobe_pdata {
29 int probe_err;
30 };
31
testprobe_drv_probe(struct udevice * dev)32 static int testprobe_drv_probe(struct udevice *dev)
33 {
34 struct dm_testprobe_pdata *pdata = dev_get_plat(dev);
35
36 return pdata->probe_err;
37 }
38
39 static const struct udevice_id testprobe_ids[] = {
40 { .compatible = "denx,u-boot-probe-test" },
41 { }
42 };
43
44 U_BOOT_DRIVER(testprobe_drv) = {
45 .name = "testprobe_drv",
46 .of_match = testprobe_ids,
47 .id = UCLASS_TEST_PROBE,
48 .probe = testprobe_drv_probe,
49 .plat_auto = sizeof(struct dm_testprobe_pdata),
50 };
51
52 UCLASS_DRIVER(testprobe) = {
53 .name = "testprobe",
54 .id = UCLASS_TEST_PROBE,
55 .flags = DM_UC_FLAG_SEQ_ALIAS,
56 };
57
58 struct dm_testdevres_pdata {
59 void *ptr;
60 };
61
62 struct dm_testdevres_priv {
63 void *ptr;
64 void *ptr_ofdata;
65 };
66
testdevres_drv_bind(struct udevice * dev)67 static int testdevres_drv_bind(struct udevice *dev)
68 {
69 struct dm_testdevres_pdata *pdata = dev_get_plat(dev);
70
71 pdata->ptr = devm_kmalloc(dev, TEST_DEVRES_SIZE, 0);
72
73 return 0;
74 }
75
testdevres_drv_of_to_plat(struct udevice * dev)76 static int testdevres_drv_of_to_plat(struct udevice *dev)
77 {
78 struct dm_testdevres_priv *priv = dev_get_priv(dev);
79
80 priv->ptr_ofdata = devm_kmalloc(dev, TEST_DEVRES_SIZE3, 0);
81
82 return 0;
83 }
84
testdevres_drv_probe(struct udevice * dev)85 static int testdevres_drv_probe(struct udevice *dev)
86 {
87 struct dm_testdevres_priv *priv = dev_get_priv(dev);
88
89 priv->ptr = devm_kmalloc(dev, TEST_DEVRES_SIZE2, 0);
90
91 return 0;
92 }
93
94 static const struct udevice_id testdevres_ids[] = {
95 { .compatible = "denx,u-boot-devres-test" },
96 { }
97 };
98
99 U_BOOT_DRIVER(testdevres_drv) = {
100 .name = "testdevres_drv",
101 .of_match = testdevres_ids,
102 .id = UCLASS_TEST_DEVRES,
103 .bind = testdevres_drv_bind,
104 .of_to_plat = testdevres_drv_of_to_plat,
105 .probe = testdevres_drv_probe,
106 .plat_auto = sizeof(struct dm_testdevres_pdata),
107 .priv_auto = sizeof(struct dm_testdevres_priv),
108 };
109
110 UCLASS_DRIVER(testdevres) = {
111 .name = "testdevres",
112 .id = UCLASS_TEST_DEVRES,
113 .flags = DM_UC_FLAG_SEQ_ALIAS,
114 };
115
dm_check_devices(struct unit_test_state * uts,int num_devices)116 int dm_check_devices(struct unit_test_state *uts, int num_devices)
117 {
118 struct udevice *dev;
119 int ret;
120 int i;
121
122 /*
123 * Now check that the ping adds are what we expect. This is using the
124 * ping-add property in each node.
125 */
126 for (i = 0; i < num_devices; i++) {
127 uint32_t base;
128
129 ret = uclass_get_device(UCLASS_TEST_FDT, i, &dev);
130 ut_assert(!ret);
131
132 /*
133 * Get the 'ping-expect' property, which tells us what the
134 * ping add should be. We don't use the plat because we
135 * want to test the code that sets that up
136 * (testfdt_drv_probe()).
137 */
138 base = fdtdec_get_addr(gd->fdt_blob, dev_of_offset(dev),
139 "ping-expect");
140 debug("dev=%d, base=%d: %s\n", i, base,
141 fdt_get_name(gd->fdt_blob, dev_of_offset(dev), NULL));
142
143 ut_assert(!dm_check_operations(uts, dev, base,
144 dev_get_priv(dev)));
145 }
146
147 return 0;
148 }
149
150 /* Test that FDT-based binding works correctly */
dm_test_fdt(struct unit_test_state * uts)151 static int dm_test_fdt(struct unit_test_state *uts)
152 {
153 const int num_devices = 9;
154 struct udevice *dev;
155 struct uclass *uc;
156 int ret;
157 int i;
158
159 ret = dm_extended_scan(false);
160 ut_assert(!ret);
161
162 ret = uclass_get(UCLASS_TEST_FDT, &uc);
163 ut_assert(!ret);
164
165 /* These are num_devices compatible root-level device tree nodes */
166 ut_asserteq(num_devices, list_count_items(&uc->dev_head));
167
168 /* Each should have platform data but no private data */
169 for (i = 0; i < num_devices; i++) {
170 ret = uclass_find_device(UCLASS_TEST_FDT, i, &dev);
171 ut_assert(!ret);
172 ut_assert(!dev_get_priv(dev));
173 ut_assert(dev_get_plat(dev));
174 }
175
176 ut_assertok(dm_check_devices(uts, num_devices));
177
178 return 0;
179 }
180 DM_TEST(dm_test_fdt, 0);
181
dm_test_alias_highest_id(struct unit_test_state * uts)182 static int dm_test_alias_highest_id(struct unit_test_state *uts)
183 {
184 int ret;
185
186 ret = dev_read_alias_highest_id("ethernet");
187 ut_asserteq(5, ret);
188
189 ret = dev_read_alias_highest_id("gpio");
190 ut_asserteq(3, ret);
191
192 ret = dev_read_alias_highest_id("pci");
193 ut_asserteq(2, ret);
194
195 ret = dev_read_alias_highest_id("i2c");
196 ut_asserteq(0, ret);
197
198 ret = dev_read_alias_highest_id("deadbeef");
199 ut_asserteq(-1, ret);
200
201 return 0;
202 }
203 DM_TEST(dm_test_alias_highest_id, 0);
204
dm_test_fdt_pre_reloc(struct unit_test_state * uts)205 static int dm_test_fdt_pre_reloc(struct unit_test_state *uts)
206 {
207 struct uclass *uc;
208 int ret;
209
210 ret = dm_scan_fdt(true);
211 ut_assert(!ret);
212
213 ret = uclass_get(UCLASS_TEST_FDT, &uc);
214 ut_assert(!ret);
215
216 /*
217 * These are 2 pre-reloc devices:
218 * one with "u-boot,dm-pre-reloc" property (a-test node), and the other
219 * one whose driver marked with DM_FLAG_PRE_RELOC flag (h-test node).
220 */
221 ut_asserteq(2, list_count_items(&uc->dev_head));
222
223 return 0;
224 }
225 DM_TEST(dm_test_fdt_pre_reloc, 0);
226
227 /* Test that sequence numbers are allocated properly */
dm_test_fdt_uclass_seq(struct unit_test_state * uts)228 static int dm_test_fdt_uclass_seq(struct unit_test_state *uts)
229 {
230 struct udevice *dev;
231
232 /* A few basic santiy tests */
233 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_FDT, 3, &dev));
234 ut_asserteq_str("b-test", dev->name);
235 ut_asserteq(3, dev_seq(dev));
236
237 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_FDT, 8, &dev));
238 ut_asserteq_str("a-test", dev->name);
239 ut_asserteq(8, dev_seq(dev));
240
241 /*
242 * This device has no alias so gets the next value after all available
243 * aliases. The last alias is testfdt12
244 */
245 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_FDT, 13, &dev));
246 ut_asserteq_str("d-test", dev->name);
247 ut_asserteq(13, dev_seq(dev));
248
249 ut_asserteq(-ENODEV, uclass_find_device_by_seq(UCLASS_TEST_FDT, 9,
250 &dev));
251 ut_asserteq_ptr(NULL, dev);
252
253 /* Test aliases */
254 ut_assertok(uclass_get_device_by_seq(UCLASS_TEST_FDT, 6, &dev));
255 ut_asserteq_str("e-test", dev->name);
256 ut_asserteq(6, dev_seq(dev));
257
258 /*
259 * Note that c-test nodes are not probed since it is not a top-level
260 * node
261 */
262 ut_assertok(uclass_get_device_by_seq(UCLASS_TEST_FDT, 3, &dev));
263 ut_asserteq_str("b-test", dev->name);
264 ut_asserteq(3, dev_seq(dev));
265
266 /*
267 * d-test wants sequence number 3 also, but it can't have it because
268 * b-test gets it first.
269 */
270 ut_assertok(uclass_get_device(UCLASS_TEST_FDT, 2, &dev));
271 ut_asserteq_str("d-test", dev->name);
272 ut_asserteq(13, dev_seq(dev));
273
274 /* g-test gets the next value after f-test */
275 ut_assertok(uclass_get_device_by_seq(UCLASS_TEST_FDT, 15, &dev));
276 ut_asserteq_str("g-test", dev->name);
277 ut_asserteq(15, dev_seq(dev));
278
279 /* And we should still have holes in our sequence numbers */
280 ut_asserteq(-ENODEV, uclass_find_device_by_seq(UCLASS_TEST_FDT, 0,
281 &dev));
282 ut_asserteq(-ENODEV, uclass_find_device_by_seq(UCLASS_TEST_FDT, 1,
283 &dev));
284 ut_asserteq(-ENODEV, uclass_find_device_by_seq(UCLASS_TEST_FDT, 2,
285 &dev));
286 ut_asserteq(-ENODEV, uclass_find_device_by_seq(UCLASS_TEST_FDT, 4,
287 &dev));
288 ut_asserteq(-ENODEV, uclass_find_device_by_seq(UCLASS_TEST_FDT, 7,
289 &dev));
290 ut_asserteq(-ENODEV, uclass_find_device_by_seq(UCLASS_TEST_FDT, 9,
291 &dev));
292 ut_asserteq(-ENODEV, uclass_find_device_by_seq(UCLASS_TEST_FDT, 10,
293 &dev));
294 ut_asserteq(-ENODEV, uclass_find_device_by_seq(UCLASS_TEST_FDT, 11,
295 &dev));
296
297 return 0;
298 }
299 DM_TEST(dm_test_fdt_uclass_seq, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
300
301 /* More tests for sequence numbers */
dm_test_fdt_uclass_seq_manual(struct unit_test_state * uts)302 static int dm_test_fdt_uclass_seq_manual(struct unit_test_state *uts)
303 {
304 struct udevice *dev;
305
306 /*
307 * Since DM_UC_FLAG_NO_AUTO_SEQ is set for this uclass, only testfdtm1
308 * should get a sequence number assigned
309 */
310 ut_assertok(uclass_get_device(UCLASS_TEST_FDT_MANUAL, 0, &dev));
311 ut_asserteq_str("testfdtm0", dev->name);
312 ut_asserteq(-1, dev_seq(dev));
313
314 ut_assertok(uclass_get_device_by_seq(UCLASS_TEST_FDT_MANUAL, 1, &dev));
315 ut_asserteq_str("testfdtm1", dev->name);
316 ut_asserteq(1, dev_seq(dev));
317
318 ut_assertok(uclass_get_device(UCLASS_TEST_FDT_MANUAL, 2, &dev));
319 ut_asserteq_str("testfdtm2", dev->name);
320 ut_asserteq(-1, dev_seq(dev));
321
322 return 0;
323 }
324 DM_TEST(dm_test_fdt_uclass_seq_manual, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
325
dm_test_fdt_uclass_seq_more(struct unit_test_state * uts)326 static int dm_test_fdt_uclass_seq_more(struct unit_test_state *uts)
327 {
328 struct udevice *dev;
329 ofnode node;
330
331 /* Check creating a device with an alias */
332 node = ofnode_path("/some-bus/c-test@1");
333 ut_assertok(device_bind(dm_root(), DM_DRIVER_GET(denx_u_boot_fdt_test),
334 "c-test@1", NULL, node, &dev));
335 ut_asserteq(12, dev_seq(dev));
336 ut_assertok(uclass_get_device_by_seq(UCLASS_TEST_FDT, 12, &dev));
337 ut_asserteq_str("c-test@1", dev->name);
338
339 /*
340 * Now bind a device without an alias. It should not get the next
341 * sequence number after all aliases, and existing bound devices. The
342 * last alias is 12, so we have:
343 *
344 * 13 d-test
345 * 14 f-test
346 * 15 g-test
347 * 16 h-test
348 * 17 another-test
349 * 18 chosen-test
350 *
351 * So next available is 19
352 */
353 ut_assertok(device_bind(dm_root(), DM_DRIVER_GET(denx_u_boot_fdt_test),
354 "fred", NULL, ofnode_null(), &dev));
355 ut_asserteq(19, dev_seq(dev));
356
357 ut_assertok(device_bind(dm_root(), DM_DRIVER_GET(denx_u_boot_fdt_test),
358 "fred2", NULL, ofnode_null(), &dev));
359 ut_asserteq(20, dev_seq(dev));
360
361 return 0;
362 }
363 DM_TEST(dm_test_fdt_uclass_seq_more, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
364
365 /* Test that we can find a device by device tree offset */
dm_test_fdt_offset(struct unit_test_state * uts)366 static int dm_test_fdt_offset(struct unit_test_state *uts)
367 {
368 const void *blob = gd->fdt_blob;
369 struct udevice *dev;
370 int node;
371
372 node = fdt_path_offset(blob, "/e-test");
373 ut_assert(node > 0);
374 ut_assertok(uclass_get_device_by_of_offset(UCLASS_TEST_FDT, node,
375 &dev));
376 ut_asserteq_str("e-test", dev->name);
377
378 /* This node should not be bound */
379 node = fdt_path_offset(blob, "/junk");
380 ut_assert(node > 0);
381 ut_asserteq(-ENODEV, uclass_get_device_by_of_offset(UCLASS_TEST_FDT,
382 node, &dev));
383
384 /* This is not a top level node so should not be probed */
385 node = fdt_path_offset(blob, "/some-bus/c-test@5");
386 ut_assert(node > 0);
387 ut_asserteq(-ENODEV, uclass_get_device_by_of_offset(UCLASS_TEST_FDT,
388 node, &dev));
389
390 return 0;
391 }
392 DM_TEST(dm_test_fdt_offset,
393 UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT | UT_TESTF_FLAT_TREE);
394
395 /**
396 * Test various error conditions with uclass_first_device() and
397 * uclass_next_device()
398 */
dm_test_first_next_device(struct unit_test_state * uts)399 static int dm_test_first_next_device(struct unit_test_state *uts)
400 {
401 struct dm_testprobe_pdata *pdata;
402 struct udevice *dev, *parent = NULL;
403 int count;
404 int ret;
405
406 /* There should be 4 devices */
407 for (ret = uclass_first_device(UCLASS_TEST_PROBE, &dev), count = 0;
408 dev;
409 ret = uclass_next_device(&dev)) {
410 count++;
411 parent = dev_get_parent(dev);
412 }
413 ut_assertok(ret);
414 ut_asserteq(4, count);
415
416 /* Remove them and try again, with an error on the second one */
417 ut_assertok(uclass_get_device(UCLASS_TEST_PROBE, 1, &dev));
418 pdata = dev_get_plat(dev);
419 pdata->probe_err = -ENOMEM;
420 device_remove(parent, DM_REMOVE_NORMAL);
421 ut_assertok(uclass_first_device(UCLASS_TEST_PROBE, &dev));
422 ut_asserteq(-ENOMEM, uclass_next_device(&dev));
423 ut_asserteq_ptr(dev, NULL);
424
425 /* Now an error on the first one */
426 ut_assertok(uclass_get_device(UCLASS_TEST_PROBE, 0, &dev));
427 pdata = dev_get_plat(dev);
428 pdata->probe_err = -ENOENT;
429 device_remove(parent, DM_REMOVE_NORMAL);
430 ut_asserteq(-ENOENT, uclass_first_device(UCLASS_TEST_PROBE, &dev));
431
432 return 0;
433 }
434 DM_TEST(dm_test_first_next_device, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
435
436 /* Test iteration through devices in a uclass */
dm_test_uclass_foreach(struct unit_test_state * uts)437 static int dm_test_uclass_foreach(struct unit_test_state *uts)
438 {
439 struct udevice *dev;
440 struct uclass *uc;
441 int count;
442
443 count = 0;
444 uclass_id_foreach_dev(UCLASS_TEST_FDT, dev, uc)
445 count++;
446 ut_asserteq(9, count);
447
448 count = 0;
449 uclass_foreach_dev(dev, uc)
450 count++;
451 ut_asserteq(9, count);
452
453 return 0;
454 }
455 DM_TEST(dm_test_uclass_foreach, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
456
457 /**
458 * check_devices() - Check return values and pointers
459 *
460 * This runs through a full sequence of uclass_first_device_check()...
461 * uclass_next_device_check() checking that the return values and devices
462 * are correct.
463 *
464 * @uts: Test state
465 * @devlist: List of expected devices
466 * @mask: Indicates which devices should return an error. Device n should
467 * return error (-NOENT - n) if bit n is set, or no error (i.e. 0) if
468 * bit n is clear.
469 */
check_devices(struct unit_test_state * uts,struct udevice * devlist[],int mask)470 static int check_devices(struct unit_test_state *uts,
471 struct udevice *devlist[], int mask)
472 {
473 int expected_ret;
474 struct udevice *dev;
475 int i;
476
477 expected_ret = (mask & 1) ? -ENOENT : 0;
478 mask >>= 1;
479 ut_asserteq(expected_ret,
480 uclass_first_device_check(UCLASS_TEST_PROBE, &dev));
481 for (i = 0; i < 4; i++) {
482 ut_asserteq_ptr(devlist[i], dev);
483 expected_ret = (mask & 1) ? -ENOENT - (i + 1) : 0;
484 mask >>= 1;
485 ut_asserteq(expected_ret, uclass_next_device_check(&dev));
486 }
487 ut_asserteq_ptr(NULL, dev);
488
489 return 0;
490 }
491
492 /* Test uclass_first_device_check() and uclass_next_device_check() */
dm_test_first_next_ok_device(struct unit_test_state * uts)493 static int dm_test_first_next_ok_device(struct unit_test_state *uts)
494 {
495 struct dm_testprobe_pdata *pdata;
496 struct udevice *dev, *parent = NULL, *devlist[4];
497 int count;
498 int ret;
499
500 /* There should be 4 devices */
501 count = 0;
502 for (ret = uclass_first_device_check(UCLASS_TEST_PROBE, &dev);
503 dev;
504 ret = uclass_next_device_check(&dev)) {
505 ut_assertok(ret);
506 devlist[count++] = dev;
507 parent = dev_get_parent(dev);
508 }
509 ut_asserteq(4, count);
510 ut_assertok(uclass_first_device_check(UCLASS_TEST_PROBE, &dev));
511 ut_assertok(check_devices(uts, devlist, 0));
512
513 /* Remove them and try again, with an error on the second one */
514 pdata = dev_get_plat(devlist[1]);
515 pdata->probe_err = -ENOENT - 1;
516 device_remove(parent, DM_REMOVE_NORMAL);
517 ut_assertok(check_devices(uts, devlist, 1 << 1));
518
519 /* Now an error on the first one */
520 pdata = dev_get_plat(devlist[0]);
521 pdata->probe_err = -ENOENT - 0;
522 device_remove(parent, DM_REMOVE_NORMAL);
523 ut_assertok(check_devices(uts, devlist, 3 << 0));
524
525 /* Now errors on all */
526 pdata = dev_get_plat(devlist[2]);
527 pdata->probe_err = -ENOENT - 2;
528 pdata = dev_get_plat(devlist[3]);
529 pdata->probe_err = -ENOENT - 3;
530 device_remove(parent, DM_REMOVE_NORMAL);
531 ut_assertok(check_devices(uts, devlist, 0xf << 0));
532
533 return 0;
534 }
535 DM_TEST(dm_test_first_next_ok_device, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
536
537 static const struct udevice_id fdt_dummy_ids[] = {
538 { .compatible = "denx,u-boot-fdt-dummy", },
539 { }
540 };
541
542 UCLASS_DRIVER(fdt_dummy) = {
543 .name = "fdt-dummy",
544 .id = UCLASS_TEST_DUMMY,
545 .flags = DM_UC_FLAG_SEQ_ALIAS,
546 };
547
548 U_BOOT_DRIVER(fdt_dummy_drv) = {
549 .name = "fdt_dummy_drv",
550 .of_match = fdt_dummy_ids,
551 .id = UCLASS_TEST_DUMMY,
552 };
553
dm_test_fdt_translation(struct unit_test_state * uts)554 static int dm_test_fdt_translation(struct unit_test_state *uts)
555 {
556 struct udevice *dev;
557 fdt32_t dma_addr[2];
558
559 /* Some simple translations */
560 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, &dev));
561 ut_asserteq_str("dev@0,0", dev->name);
562 ut_asserteq(0x8000, dev_read_addr(dev));
563
564 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 1, &dev));
565 ut_asserteq_str("dev@1,100", dev->name);
566 ut_asserteq(0x9000, dev_read_addr(dev));
567
568 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 2, &dev));
569 ut_asserteq_str("dev@2,200", dev->name);
570 ut_asserteq(0xA000, dev_read_addr(dev));
571
572 /* No translation for busses with #size-cells == 0 */
573 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 3, &dev));
574 ut_asserteq_str("dev@42", dev->name);
575 ut_asserteq(0x42, dev_read_addr(dev));
576
577 /* dma address translation */
578 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, &dev));
579 dma_addr[0] = cpu_to_be32(0);
580 dma_addr[1] = cpu_to_be32(0);
581 ut_asserteq(0x10000000, dev_translate_dma_address(dev, dma_addr));
582
583 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 1, &dev));
584 dma_addr[0] = cpu_to_be32(1);
585 dma_addr[1] = cpu_to_be32(0x100);
586 ut_asserteq(0x20000000, dev_translate_dma_address(dev, dma_addr));
587
588 return 0;
589 }
590 DM_TEST(dm_test_fdt_translation, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
591
dm_test_fdt_get_addr_ptr_flat(struct unit_test_state * uts)592 static int dm_test_fdt_get_addr_ptr_flat(struct unit_test_state *uts)
593 {
594 struct udevice *gpio, *dev;
595 void *ptr;
596
597 /* Test for missing reg property */
598 ut_assertok(uclass_first_device_err(UCLASS_GPIO, &gpio));
599 ut_assertnull(devfdt_get_addr_ptr(gpio));
600
601 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, &dev));
602 ptr = devfdt_get_addr_ptr(dev);
603 ut_asserteq_ptr((void *)0x8000, ptr);
604
605 return 0;
606 }
607 DM_TEST(dm_test_fdt_get_addr_ptr_flat,
608 UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT | UT_TESTF_FLAT_TREE);
609
dm_test_fdt_remap_addr_flat(struct unit_test_state * uts)610 static int dm_test_fdt_remap_addr_flat(struct unit_test_state *uts)
611 {
612 struct udevice *dev;
613 fdt_addr_t addr;
614 void *paddr;
615
616 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, &dev));
617
618 addr = devfdt_get_addr(dev);
619 ut_asserteq(0x8000, addr);
620
621 paddr = map_physmem(addr, 0, MAP_NOCACHE);
622 ut_assertnonnull(paddr);
623 ut_asserteq_ptr(paddr, devfdt_remap_addr(dev));
624
625 return 0;
626 }
627 DM_TEST(dm_test_fdt_remap_addr_flat,
628 UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT | UT_TESTF_FLAT_TREE);
629
dm_test_fdt_remap_addr_index_flat(struct unit_test_state * uts)630 static int dm_test_fdt_remap_addr_index_flat(struct unit_test_state *uts)
631 {
632 struct udevice *dev;
633 fdt_addr_t addr;
634 fdt_size_t size;
635 void *paddr;
636
637 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, &dev));
638
639 addr = devfdt_get_addr_size_index(dev, 0, &size);
640 ut_asserteq(0x8000, addr);
641 ut_asserteq(0x1000, size);
642
643 paddr = map_physmem(addr, 0, MAP_NOCACHE);
644 ut_assertnonnull(paddr);
645 ut_asserteq_ptr(paddr, devfdt_remap_addr_index(dev, 0));
646
647 return 0;
648 }
649 DM_TEST(dm_test_fdt_remap_addr_index_flat,
650 UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT | UT_TESTF_FLAT_TREE);
651
dm_test_fdt_remap_addr_name_flat(struct unit_test_state * uts)652 static int dm_test_fdt_remap_addr_name_flat(struct unit_test_state *uts)
653 {
654 struct udevice *dev;
655 fdt_addr_t addr;
656 fdt_size_t size;
657 void *paddr;
658
659 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, &dev));
660
661 addr = devfdt_get_addr_size_name(dev, "sandbox-dummy-0", &size);
662 ut_asserteq(0x8000, addr);
663 ut_asserteq(0x1000, size);
664
665 paddr = map_physmem(addr, 0, MAP_NOCACHE);
666 ut_assertnonnull(paddr);
667 ut_asserteq_ptr(paddr, devfdt_remap_addr_name(dev, "sandbox-dummy-0"));
668
669 return 0;
670 }
671 DM_TEST(dm_test_fdt_remap_addr_name_flat,
672 UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT | UT_TESTF_FLAT_TREE);
673
dm_test_fdt_remap_addr_live(struct unit_test_state * uts)674 static int dm_test_fdt_remap_addr_live(struct unit_test_state *uts)
675 {
676 struct udevice *dev;
677 fdt_addr_t addr;
678 void *paddr;
679
680 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, &dev));
681
682 addr = dev_read_addr(dev);
683 ut_asserteq(0x8000, addr);
684
685 paddr = map_physmem(addr, 0, MAP_NOCACHE);
686 ut_assertnonnull(paddr);
687 ut_asserteq_ptr(paddr, dev_remap_addr(dev));
688
689 return 0;
690 }
691 DM_TEST(dm_test_fdt_remap_addr_live,
692 UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
693
dm_test_fdt_remap_addr_index_live(struct unit_test_state * uts)694 static int dm_test_fdt_remap_addr_index_live(struct unit_test_state *uts)
695 {
696 struct udevice *dev;
697 fdt_addr_t addr;
698 fdt_size_t size;
699 void *paddr;
700
701 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, &dev));
702
703 addr = dev_read_addr_size_index(dev, 0, &size);
704 ut_asserteq(0x8000, addr);
705 ut_asserteq(0x1000, size);
706
707 paddr = map_physmem(addr, 0, MAP_NOCACHE);
708 ut_assertnonnull(paddr);
709 ut_asserteq_ptr(paddr, dev_remap_addr_index(dev, 0));
710
711 return 0;
712 }
713 DM_TEST(dm_test_fdt_remap_addr_index_live,
714 UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
715
dm_test_fdt_remap_addr_name_live(struct unit_test_state * uts)716 static int dm_test_fdt_remap_addr_name_live(struct unit_test_state *uts)
717 {
718 struct udevice *dev;
719 fdt_addr_t addr;
720 fdt_size_t size;
721 void *paddr;
722
723 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, &dev));
724
725 addr = dev_read_addr_size_name(dev, "sandbox-dummy-0", &size);
726 ut_asserteq(0x8000, addr);
727 ut_asserteq(0x1000, size);
728
729 paddr = map_physmem(addr, 0, MAP_NOCACHE);
730 ut_assertnonnull(paddr);
731 ut_asserteq_ptr(paddr, dev_remap_addr_name(dev, "sandbox-dummy-0"));
732
733 return 0;
734 }
735 DM_TEST(dm_test_fdt_remap_addr_name_live,
736 UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
737
dm_test_fdt_livetree_writing(struct unit_test_state * uts)738 static int dm_test_fdt_livetree_writing(struct unit_test_state *uts)
739 {
740 struct udevice *dev;
741 ofnode node;
742
743 if (!of_live_active()) {
744 printf("Live tree not active; ignore test\n");
745 return 0;
746 }
747
748 /* Test enabling devices */
749
750 node = ofnode_path("/usb@2");
751
752 ut_assert(!of_device_is_available(ofnode_to_np(node)));
753 ofnode_set_enabled(node, true);
754 ut_assert(of_device_is_available(ofnode_to_np(node)));
755
756 device_bind_driver_to_node(dm_root(), "usb_sandbox", "usb@2", node,
757 &dev);
758 ut_assertok(uclass_find_device_by_seq(UCLASS_USB, 2, &dev));
759
760 /* Test string property setting */
761
762 ut_assert(device_is_compatible(dev, "sandbox,usb"));
763 ofnode_write_string(node, "compatible", "gdsys,super-usb");
764 ut_assert(device_is_compatible(dev, "gdsys,super-usb"));
765 ofnode_write_string(node, "compatible", "sandbox,usb");
766 ut_assert(device_is_compatible(dev, "sandbox,usb"));
767
768 /* Test setting generic properties */
769
770 /* Non-existent in DTB */
771 ut_asserteq(FDT_ADDR_T_NONE, dev_read_addr(dev));
772 /* reg = 0x42, size = 0x100 */
773 ut_assertok(ofnode_write_prop(node, "reg", 8,
774 "\x00\x00\x00\x42\x00\x00\x01\x00"));
775 ut_asserteq(0x42, dev_read_addr(dev));
776
777 /* Test disabling devices */
778
779 device_remove(dev, DM_REMOVE_NORMAL);
780 device_unbind(dev);
781
782 ut_assert(of_device_is_available(ofnode_to_np(node)));
783 ofnode_set_enabled(node, false);
784 ut_assert(!of_device_is_available(ofnode_to_np(node)));
785
786 return 0;
787 }
788 DM_TEST(dm_test_fdt_livetree_writing, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
789
dm_test_fdt_disable_enable_by_path(struct unit_test_state * uts)790 static int dm_test_fdt_disable_enable_by_path(struct unit_test_state *uts)
791 {
792 ofnode node;
793
794 if (!of_live_active()) {
795 printf("Live tree not active; ignore test\n");
796 return 0;
797 }
798
799 node = ofnode_path("/usb@2");
800
801 /* Test enabling devices */
802
803 ut_assert(!of_device_is_available(ofnode_to_np(node)));
804 dev_enable_by_path("/usb@2");
805 ut_assert(of_device_is_available(ofnode_to_np(node)));
806
807 /* Test disabling devices */
808
809 ut_assert(of_device_is_available(ofnode_to_np(node)));
810 dev_disable_by_path("/usb@2");
811 ut_assert(!of_device_is_available(ofnode_to_np(node)));
812
813 return 0;
814 }
815 DM_TEST(dm_test_fdt_disable_enable_by_path, UT_TESTF_SCAN_PDATA |
816 UT_TESTF_SCAN_FDT);
817
818 /* Test a few uclass phandle functions */
dm_test_fdt_phandle(struct unit_test_state * uts)819 static int dm_test_fdt_phandle(struct unit_test_state *uts)
820 {
821 struct udevice *back, *dev, *dev2;
822
823 ut_assertok(uclass_find_first_device(UCLASS_PANEL_BACKLIGHT, &back));
824 ut_assertnonnull(back);
825 ut_asserteq(-ENOENT, uclass_find_device_by_phandle(UCLASS_REGULATOR,
826 back, "missing", &dev));
827 ut_assertok(uclass_find_device_by_phandle(UCLASS_REGULATOR, back,
828 "power-supply", &dev));
829 ut_assertnonnull(dev);
830 ut_asserteq(0, device_active(dev));
831 ut_asserteq_str("ldo1", dev->name);
832 ut_assertok(uclass_get_device_by_phandle(UCLASS_REGULATOR, back,
833 "power-supply", &dev2));
834 ut_asserteq_ptr(dev, dev2);
835
836 return 0;
837 }
838 DM_TEST(dm_test_fdt_phandle, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
839
840 /* Test device_find_first_child_by_uclass() */
dm_test_first_child(struct unit_test_state * uts)841 static int dm_test_first_child(struct unit_test_state *uts)
842 {
843 struct udevice *i2c, *dev, *dev2;
844
845 ut_assertok(uclass_first_device_err(UCLASS_I2C, &i2c));
846 ut_assertok(device_find_first_child_by_uclass(i2c, UCLASS_RTC, &dev));
847 ut_asserteq_str("rtc@43", dev->name);
848 ut_assertok(device_find_child_by_name(i2c, "rtc@43", &dev2));
849 ut_asserteq_ptr(dev, dev2);
850 ut_assertok(device_find_child_by_name(i2c, "rtc@61", &dev2));
851 ut_asserteq_str("rtc@61", dev2->name);
852
853 ut_assertok(device_find_first_child_by_uclass(i2c, UCLASS_I2C_EEPROM,
854 &dev));
855 ut_asserteq_str("eeprom@2c", dev->name);
856 ut_assertok(device_find_child_by_name(i2c, "eeprom@2c", &dev2));
857 ut_asserteq_ptr(dev, dev2);
858
859 ut_asserteq(-ENODEV, device_find_first_child_by_uclass(i2c,
860 UCLASS_VIDEO, &dev));
861 ut_asserteq(-ENODEV, device_find_child_by_name(i2c, "missing", &dev));
862
863 return 0;
864 }
865 DM_TEST(dm_test_first_child, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
866
867 /* Test integer functions in dm_read_...() */
dm_test_read_int(struct unit_test_state * uts)868 static int dm_test_read_int(struct unit_test_state *uts)
869 {
870 struct udevice *dev;
871 u32 val32;
872 s32 sval;
873 uint val;
874 u64 val64;
875
876 ut_assertok(uclass_first_device_err(UCLASS_TEST_FDT, &dev));
877 ut_asserteq_str("a-test", dev->name);
878 ut_assertok(dev_read_u32(dev, "int-value", &val32));
879 ut_asserteq(1234, val32);
880
881 ut_asserteq(-EINVAL, dev_read_u32(dev, "missing", &val32));
882 ut_asserteq(6, dev_read_u32_default(dev, "missing", 6));
883
884 ut_asserteq(1234, dev_read_u32_default(dev, "int-value", 6));
885 ut_asserteq(1234, val32);
886
887 ut_asserteq(-EINVAL, dev_read_s32(dev, "missing", &sval));
888 ut_asserteq(6, dev_read_s32_default(dev, "missing", 6));
889
890 ut_asserteq(-1234, dev_read_s32_default(dev, "uint-value", 6));
891 ut_assertok(dev_read_s32(dev, "uint-value", &sval));
892 ut_asserteq(-1234, sval);
893
894 val = 0;
895 ut_asserteq(-EINVAL, dev_read_u32u(dev, "missing", &val));
896 ut_assertok(dev_read_u32u(dev, "uint-value", &val));
897 ut_asserteq(-1234, val);
898
899 ut_assertok(dev_read_u64(dev, "int64-value", &val64));
900 ut_asserteq_64(0x1111222233334444, val64);
901
902 ut_asserteq_64(-EINVAL, dev_read_u64(dev, "missing", &val64));
903 ut_asserteq_64(6, dev_read_u64_default(dev, "missing", 6));
904
905 ut_asserteq_64(0x1111222233334444,
906 dev_read_u64_default(dev, "int64-value", 6));
907
908 return 0;
909 }
910 DM_TEST(dm_test_read_int, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
911
dm_test_read_int_index(struct unit_test_state * uts)912 static int dm_test_read_int_index(struct unit_test_state *uts)
913 {
914 struct udevice *dev;
915 u32 val32;
916
917 ut_assertok(uclass_first_device_err(UCLASS_TEST_FDT, &dev));
918 ut_asserteq_str("a-test", dev->name);
919
920 ut_asserteq(-EINVAL, dev_read_u32_index(dev, "missing", 0, &val32));
921 ut_asserteq(19, dev_read_u32_index_default(dev, "missing", 0, 19));
922
923 ut_assertok(dev_read_u32_index(dev, "int-array", 0, &val32));
924 ut_asserteq(5678, val32);
925 ut_assertok(dev_read_u32_index(dev, "int-array", 1, &val32));
926 ut_asserteq(9123, val32);
927 ut_assertok(dev_read_u32_index(dev, "int-array", 2, &val32));
928 ut_asserteq(4567, val32);
929 ut_asserteq(-EOVERFLOW, dev_read_u32_index(dev, "int-array", 3,
930 &val32));
931
932 ut_asserteq(5678, dev_read_u32_index_default(dev, "int-array", 0, 2));
933 ut_asserteq(9123, dev_read_u32_index_default(dev, "int-array", 1, 2));
934 ut_asserteq(4567, dev_read_u32_index_default(dev, "int-array", 2, 2));
935 ut_asserteq(2, dev_read_u32_index_default(dev, "int-array", 3, 2));
936
937 return 0;
938 }
939 DM_TEST(dm_test_read_int_index, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
940
dm_test_read_phandle(struct unit_test_state * uts)941 static int dm_test_read_phandle(struct unit_test_state *uts)
942 {
943 struct udevice *dev;
944 struct ofnode_phandle_args args;
945 int ret;
946 const char prop[] = "test-gpios";
947 const char cell[] = "#gpio-cells";
948 const char prop2[] = "phandle-value";
949
950 ut_assertok(uclass_first_device_err(UCLASS_TEST_FDT, &dev));
951 ut_asserteq_str("a-test", dev->name);
952
953 /* Test dev_count_phandle_with_args with cell name */
954 ret = dev_count_phandle_with_args(dev, "missing", cell, 0);
955 ut_asserteq(-ENOENT, ret);
956 ret = dev_count_phandle_with_args(dev, prop, "#invalid", 0);
957 ut_asserteq(-EINVAL, ret);
958 ut_asserteq(5, dev_count_phandle_with_args(dev, prop, cell, 0));
959
960 /* Test dev_read_phandle_with_args with cell name */
961 ret = dev_read_phandle_with_args(dev, "missing", cell, 0, 0, &args);
962 ut_asserteq(-ENOENT, ret);
963 ret = dev_read_phandle_with_args(dev, prop, "#invalid", 0, 0, &args);
964 ut_asserteq(-EINVAL, ret);
965 ut_assertok(dev_read_phandle_with_args(dev, prop, cell, 0, 0, &args));
966 ut_asserteq(1, args.args_count);
967 ut_asserteq(1, args.args[0]);
968 ut_assertok(dev_read_phandle_with_args(dev, prop, cell, 0, 1, &args));
969 ut_asserteq(1, args.args_count);
970 ut_asserteq(4, args.args[0]);
971 ut_assertok(dev_read_phandle_with_args(dev, prop, cell, 0, 2, &args));
972 ut_asserteq(5, args.args_count);
973 ut_asserteq(5, args.args[0]);
974 ut_asserteq(1, args.args[4]);
975 ret = dev_read_phandle_with_args(dev, prop, cell, 0, 3, &args);
976 ut_asserteq(-ENOENT, ret);
977 ut_assertok(dev_read_phandle_with_args(dev, prop, cell, 0, 4, &args));
978 ut_asserteq(1, args.args_count);
979 ut_asserteq(12, args.args[0]);
980 ret = dev_read_phandle_with_args(dev, prop, cell, 0, 5, &args);
981 ut_asserteq(-ENOENT, ret);
982
983 /* Test dev_count_phandle_with_args with cell count */
984 ret = dev_count_phandle_with_args(dev, "missing", NULL, 2);
985 ut_asserteq(-ENOENT, ret);
986 ut_asserteq(3, dev_count_phandle_with_args(dev, prop2, NULL, 1));
987
988 /* Test dev_read_phandle_with_args with cell count */
989 ut_assertok(dev_read_phandle_with_args(dev, prop2, NULL, 1, 0, &args));
990 ut_asserteq(1, ofnode_valid(args.node));
991 ut_asserteq(1, args.args_count);
992 ut_asserteq(10, args.args[0]);
993 ret = dev_read_phandle_with_args(dev, prop2, NULL, 1, 1, &args);
994 ut_asserteq(-EINVAL, ret);
995 ut_assertok(dev_read_phandle_with_args(dev, prop2, NULL, 1, 2, &args));
996 ut_asserteq(1, ofnode_valid(args.node));
997 ut_asserteq(1, args.args_count);
998 ut_asserteq(30, args.args[0]);
999 ret = dev_read_phandle_with_args(dev, prop2, NULL, 1, 3, &args);
1000 ut_asserteq(-ENOENT, ret);
1001
1002 return 0;
1003 }
1004 DM_TEST(dm_test_read_phandle, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
1005
1006 /* Test iteration through devices by drvdata */
dm_test_uclass_drvdata(struct unit_test_state * uts)1007 static int dm_test_uclass_drvdata(struct unit_test_state *uts)
1008 {
1009 struct udevice *dev;
1010
1011 ut_assertok(uclass_first_device_drvdata(UCLASS_TEST_FDT,
1012 DM_TEST_TYPE_FIRST, &dev));
1013 ut_asserteq_str("a-test", dev->name);
1014
1015 ut_assertok(uclass_first_device_drvdata(UCLASS_TEST_FDT,
1016 DM_TEST_TYPE_SECOND, &dev));
1017 ut_asserteq_str("d-test", dev->name);
1018
1019 ut_asserteq(-ENODEV, uclass_first_device_drvdata(UCLASS_TEST_FDT,
1020 DM_TEST_TYPE_COUNT,
1021 &dev));
1022
1023 return 0;
1024 }
1025 DM_TEST(dm_test_uclass_drvdata, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
1026
1027 /* Test device_first_child_ofdata_err(), etc. */
dm_test_child_ofdata(struct unit_test_state * uts)1028 static int dm_test_child_ofdata(struct unit_test_state *uts)
1029 {
1030 struct udevice *bus, *dev;
1031 int count;
1032
1033 ut_assertok(uclass_first_device_err(UCLASS_TEST_BUS, &bus));
1034 count = 0;
1035 device_foreach_child_of_to_plat(dev, bus) {
1036 ut_assert(dev_get_flags(dev) & DM_FLAG_PLATDATA_VALID);
1037 ut_assert(!(dev_get_flags(dev) & DM_FLAG_ACTIVATED));
1038 count++;
1039 }
1040 ut_asserteq(3, count);
1041
1042 return 0;
1043 }
1044 DM_TEST(dm_test_child_ofdata, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
1045
1046 /* Test device_first_child_err(), etc. */
dm_test_first_child_probe(struct unit_test_state * uts)1047 static int dm_test_first_child_probe(struct unit_test_state *uts)
1048 {
1049 struct udevice *bus, *dev;
1050 int count;
1051
1052 ut_assertok(uclass_first_device_err(UCLASS_TEST_BUS, &bus));
1053 count = 0;
1054 device_foreach_child_probe(dev, bus) {
1055 ut_assert(dev_get_flags(dev) & DM_FLAG_PLATDATA_VALID);
1056 ut_assert(dev_get_flags(dev) & DM_FLAG_ACTIVATED);
1057 count++;
1058 }
1059 ut_asserteq(3, count);
1060
1061 return 0;
1062 }
1063 DM_TEST(dm_test_first_child_probe, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
1064
1065 /* Test that ofdata is read for parents before children */
dm_test_ofdata_order(struct unit_test_state * uts)1066 static int dm_test_ofdata_order(struct unit_test_state *uts)
1067 {
1068 struct udevice *bus, *dev;
1069
1070 ut_assertok(uclass_find_first_device(UCLASS_I2C, &bus));
1071 ut_assertnonnull(bus);
1072 ut_assert(!(dev_get_flags(bus) & DM_FLAG_PLATDATA_VALID));
1073
1074 ut_assertok(device_find_first_child(bus, &dev));
1075 ut_assertnonnull(dev);
1076 ut_assert(!(dev_get_flags(dev) & DM_FLAG_PLATDATA_VALID));
1077
1078 /* read the child's ofdata which should cause the parent's to be read */
1079 ut_assertok(device_of_to_plat(dev));
1080 ut_assert(dev_get_flags(dev) & DM_FLAG_PLATDATA_VALID);
1081 ut_assert(dev_get_flags(bus) & DM_FLAG_PLATDATA_VALID);
1082
1083 ut_assert(!(dev_get_flags(dev) & DM_FLAG_ACTIVATED));
1084 ut_assert(!(dev_get_flags(bus) & DM_FLAG_ACTIVATED));
1085
1086 return 0;
1087 }
1088 DM_TEST(dm_test_ofdata_order, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
1089
1090 /* Test dev_decode_display_timing() */
dm_test_decode_display_timing(struct unit_test_state * uts)1091 static int dm_test_decode_display_timing(struct unit_test_state *uts)
1092 {
1093 struct udevice *dev;
1094 struct display_timing timing;
1095
1096 ut_assertok(uclass_first_device_err(UCLASS_TEST_FDT, &dev));
1097 ut_asserteq_str("a-test", dev->name);
1098
1099 ut_assertok(dev_decode_display_timing(dev, 0, &timing));
1100 ut_assert(timing.hactive.typ == 240);
1101 ut_assert(timing.hback_porch.typ == 7);
1102 ut_assert(timing.hfront_porch.typ == 6);
1103 ut_assert(timing.hsync_len.typ == 1);
1104 ut_assert(timing.vactive.typ == 320);
1105 ut_assert(timing.vback_porch.typ == 5);
1106 ut_assert(timing.vfront_porch.typ == 8);
1107 ut_assert(timing.vsync_len.typ == 2);
1108 ut_assert(timing.pixelclock.typ == 6500000);
1109 ut_assert(timing.flags & DISPLAY_FLAGS_HSYNC_HIGH);
1110 ut_assert(!(timing.flags & DISPLAY_FLAGS_HSYNC_LOW));
1111 ut_assert(!(timing.flags & DISPLAY_FLAGS_VSYNC_HIGH));
1112 ut_assert(timing.flags & DISPLAY_FLAGS_VSYNC_LOW);
1113 ut_assert(timing.flags & DISPLAY_FLAGS_DE_HIGH);
1114 ut_assert(!(timing.flags & DISPLAY_FLAGS_DE_LOW));
1115 ut_assert(timing.flags & DISPLAY_FLAGS_PIXDATA_POSEDGE);
1116 ut_assert(!(timing.flags & DISPLAY_FLAGS_PIXDATA_NEGEDGE));
1117 ut_assert(timing.flags & DISPLAY_FLAGS_INTERLACED);
1118 ut_assert(timing.flags & DISPLAY_FLAGS_DOUBLESCAN);
1119 ut_assert(timing.flags & DISPLAY_FLAGS_DOUBLECLK);
1120
1121 ut_assertok(dev_decode_display_timing(dev, 1, &timing));
1122 ut_assert(timing.hactive.typ == 480);
1123 ut_assert(timing.hback_porch.typ == 59);
1124 ut_assert(timing.hfront_porch.typ == 10);
1125 ut_assert(timing.hsync_len.typ == 12);
1126 ut_assert(timing.vactive.typ == 800);
1127 ut_assert(timing.vback_porch.typ == 15);
1128 ut_assert(timing.vfront_porch.typ == 17);
1129 ut_assert(timing.vsync_len.typ == 16);
1130 ut_assert(timing.pixelclock.typ == 9000000);
1131 ut_assert(!(timing.flags & DISPLAY_FLAGS_HSYNC_HIGH));
1132 ut_assert(timing.flags & DISPLAY_FLAGS_HSYNC_LOW);
1133 ut_assert(timing.flags & DISPLAY_FLAGS_VSYNC_HIGH);
1134 ut_assert(!(timing.flags & DISPLAY_FLAGS_VSYNC_LOW));
1135 ut_assert(!(timing.flags & DISPLAY_FLAGS_DE_HIGH));
1136 ut_assert(timing.flags & DISPLAY_FLAGS_DE_LOW);
1137 ut_assert(!(timing.flags & DISPLAY_FLAGS_PIXDATA_POSEDGE));
1138 ut_assert(timing.flags & DISPLAY_FLAGS_PIXDATA_NEGEDGE);
1139 ut_assert(!(timing.flags & DISPLAY_FLAGS_INTERLACED));
1140 ut_assert(!(timing.flags & DISPLAY_FLAGS_DOUBLESCAN));
1141 ut_assert(!(timing.flags & DISPLAY_FLAGS_DOUBLECLK));
1142
1143 ut_assertok(dev_decode_display_timing(dev, 2, &timing));
1144 ut_assert(timing.hactive.typ == 800);
1145 ut_assert(timing.hback_porch.typ == 89);
1146 ut_assert(timing.hfront_porch.typ == 164);
1147 ut_assert(timing.hsync_len.typ == 11);
1148 ut_assert(timing.vactive.typ == 480);
1149 ut_assert(timing.vback_porch.typ == 23);
1150 ut_assert(timing.vfront_porch.typ == 10);
1151 ut_assert(timing.vsync_len.typ == 13);
1152 ut_assert(timing.pixelclock.typ == 33500000);
1153 ut_assert(!(timing.flags & DISPLAY_FLAGS_HSYNC_HIGH));
1154 ut_assert(!(timing.flags & DISPLAY_FLAGS_HSYNC_LOW));
1155 ut_assert(!(timing.flags & DISPLAY_FLAGS_VSYNC_HIGH));
1156 ut_assert(!(timing.flags & DISPLAY_FLAGS_VSYNC_LOW));
1157 ut_assert(!(timing.flags & DISPLAY_FLAGS_DE_HIGH));
1158 ut_assert(!(timing.flags & DISPLAY_FLAGS_DE_LOW));
1159 ut_assert(!(timing.flags & DISPLAY_FLAGS_PIXDATA_POSEDGE));
1160 ut_assert(!(timing.flags & DISPLAY_FLAGS_PIXDATA_NEGEDGE));
1161 ut_assert(!(timing.flags & DISPLAY_FLAGS_INTERLACED));
1162 ut_assert(!(timing.flags & DISPLAY_FLAGS_DOUBLESCAN));
1163 ut_assert(!(timing.flags & DISPLAY_FLAGS_DOUBLECLK));
1164
1165 ut_assert(dev_decode_display_timing(dev, 3, &timing));
1166 return 0;
1167 }
1168 DM_TEST(dm_test_decode_display_timing, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
1169
1170 /* Test read_resourcee() */
dm_test_read_resource(struct unit_test_state * uts)1171 static int dm_test_read_resource(struct unit_test_state *uts)
1172 {
1173 struct udevice *dev;
1174 struct resource res;
1175
1176 /* test resource without translation */
1177 ut_assertok(uclass_find_device_by_name(UCLASS_SIMPLE_BUS, "syscon@2", &dev));
1178 ut_assertok(dev_read_resource(dev, 0, &res));
1179 ut_asserteq(0x40, res.start);
1180 ut_asserteq(0x44, res.end);
1181 ut_assertok(dev_read_resource(dev, 1, &res));
1182 ut_asserteq(0x48, res.start);
1183 ut_asserteq(0x4d, res.end);
1184
1185 /* test resource with translation */
1186 ut_assertok(uclass_find_device_by_name(UCLASS_TEST_DUMMY, "dev@1,100", &dev));
1187 ut_assertok(dev_read_resource(dev, 0, &res));
1188 ut_asserteq(0x9000, res.start);
1189 ut_asserteq(0x9fff, res.end);
1190
1191 /* test named resource */
1192 ut_assertok(uclass_find_device_by_name(UCLASS_TEST_DUMMY, "dev@0,0", &dev));
1193 ut_assertok(dev_read_resource_byname(dev, "sandbox-dummy-0", &res));
1194 ut_asserteq(0x8000, res.start);
1195 ut_asserteq(0x8fff, res.end);
1196
1197 return 0;
1198 }
1199
1200 DM_TEST(dm_test_read_resource, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
1201