1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (c) 2013 Google, Inc
15 #include <dm/device-internal.h>
16 #include <dm/devres.h>
17 #include <dm/uclass-internal.h>
20 #include <dm/of_access.h>
23 DECLARE_GLOBAL_DATA_PTR;
25 static int testfdt_drv_ping(struct udevice *dev, int pingval, int *pingret)
27 const struct dm_test_pdata *pdata = dev->platdata;
28 struct dm_test_priv *priv = dev_get_priv(dev);
30 *pingret = pingval + pdata->ping_add;
31 priv->ping_total += *pingret;
36 static const struct test_ops test_ops = {
37 .ping = testfdt_drv_ping,
40 static int testfdt_ofdata_to_platdata(struct udevice *dev)
42 struct dm_test_pdata *pdata = dev_get_platdata(dev);
44 pdata->ping_add = fdtdec_get_int(gd->fdt_blob, dev_of_offset(dev),
46 pdata->base = fdtdec_get_addr(gd->fdt_blob, dev_of_offset(dev),
52 static int testfdt_drv_probe(struct udevice *dev)
54 struct dm_test_priv *priv = dev_get_priv(dev);
56 priv->ping_total += DM_TEST_START_TOTAL;
59 * If this device is on a bus, the uclass_flag will be set before
60 * calling this function. In the meantime the uclass_postp is
61 * initlized to a value -1. These are used respectively by
62 * dm_test_bus_child_pre_probe_uclass() and
63 * dm_test_bus_child_post_probe_uclass().
65 priv->uclass_total += priv->uclass_flag;
66 priv->uclass_postp = -1;
71 static const struct udevice_id testfdt_ids[] = {
73 .compatible = "denx,u-boot-fdt-test",
74 .data = DM_TEST_TYPE_FIRST },
76 .compatible = "google,another-fdt-test",
77 .data = DM_TEST_TYPE_SECOND },
81 U_BOOT_DRIVER(testfdt_drv) = {
82 .name = "testfdt_drv",
83 .of_match = testfdt_ids,
84 .id = UCLASS_TEST_FDT,
85 .ofdata_to_platdata = testfdt_ofdata_to_platdata,
86 .probe = testfdt_drv_probe,
88 .priv_auto_alloc_size = sizeof(struct dm_test_priv),
89 .platdata_auto_alloc_size = sizeof(struct dm_test_pdata),
92 static const struct udevice_id testfdt1_ids[] = {
94 .compatible = "denx,u-boot-fdt-test1",
95 .data = DM_TEST_TYPE_FIRST },
99 U_BOOT_DRIVER(testfdt1_drv) = {
100 .name = "testfdt1_drv",
101 .of_match = testfdt1_ids,
102 .id = UCLASS_TEST_FDT,
103 .ofdata_to_platdata = testfdt_ofdata_to_platdata,
104 .probe = testfdt_drv_probe,
106 .priv_auto_alloc_size = sizeof(struct dm_test_priv),
107 .platdata_auto_alloc_size = sizeof(struct dm_test_pdata),
108 .flags = DM_FLAG_PRE_RELOC,
111 /* From here is the testfdt uclass code */
112 int testfdt_ping(struct udevice *dev, int pingval, int *pingret)
114 const struct test_ops *ops = device_get_ops(dev);
119 return ops->ping(dev, pingval, pingret);
122 UCLASS_DRIVER(testfdt) = {
124 .id = UCLASS_TEST_FDT,
125 .flags = DM_UC_FLAG_SEQ_ALIAS,
128 struct dm_testprobe_pdata {
132 static int testprobe_drv_probe(struct udevice *dev)
134 struct dm_testprobe_pdata *pdata = dev_get_platdata(dev);
136 return pdata->probe_err;
139 static const struct udevice_id testprobe_ids[] = {
140 { .compatible = "denx,u-boot-probe-test" },
144 U_BOOT_DRIVER(testprobe_drv) = {
145 .name = "testprobe_drv",
146 .of_match = testprobe_ids,
147 .id = UCLASS_TEST_PROBE,
148 .probe = testprobe_drv_probe,
149 .platdata_auto_alloc_size = sizeof(struct dm_testprobe_pdata),
152 UCLASS_DRIVER(testprobe) = {
154 .id = UCLASS_TEST_PROBE,
155 .flags = DM_UC_FLAG_SEQ_ALIAS,
158 struct dm_testdevres_pdata {
162 struct dm_testdevres_priv {
167 static int testdevres_drv_bind(struct udevice *dev)
169 struct dm_testdevres_pdata *pdata = dev_get_platdata(dev);
171 pdata->ptr = devm_kmalloc(dev, TEST_DEVRES_SIZE, 0);
176 static int testdevres_drv_ofdata_to_platdata(struct udevice *dev)
178 struct dm_testdevres_priv *priv = dev_get_priv(dev);
180 priv->ptr_ofdata = devm_kmalloc(dev, TEST_DEVRES_SIZE3, 0);
185 static int testdevres_drv_probe(struct udevice *dev)
187 struct dm_testdevres_priv *priv = dev_get_priv(dev);
189 priv->ptr = devm_kmalloc(dev, TEST_DEVRES_SIZE2, 0);
194 static const struct udevice_id testdevres_ids[] = {
195 { .compatible = "denx,u-boot-devres-test" },
199 U_BOOT_DRIVER(testdevres_drv) = {
200 .name = "testdevres_drv",
201 .of_match = testdevres_ids,
202 .id = UCLASS_TEST_DEVRES,
203 .bind = testdevres_drv_bind,
204 .ofdata_to_platdata = testdevres_drv_ofdata_to_platdata,
205 .probe = testdevres_drv_probe,
206 .platdata_auto_alloc_size = sizeof(struct dm_testdevres_pdata),
207 .priv_auto_alloc_size = sizeof(struct dm_testdevres_priv),
210 UCLASS_DRIVER(testdevres) = {
211 .name = "testdevres",
212 .id = UCLASS_TEST_DEVRES,
213 .flags = DM_UC_FLAG_SEQ_ALIAS,
216 int dm_check_devices(struct unit_test_state *uts, int num_devices)
223 * Now check that the ping adds are what we expect. This is using the
224 * ping-add property in each node.
226 for (i = 0; i < num_devices; i++) {
229 ret = uclass_get_device(UCLASS_TEST_FDT, i, &dev);
233 * Get the 'ping-expect' property, which tells us what the
234 * ping add should be. We don't use the platdata because we
235 * want to test the code that sets that up
236 * (testfdt_drv_probe()).
238 base = fdtdec_get_addr(gd->fdt_blob, dev_of_offset(dev),
240 debug("dev=%d, base=%d: %s\n", i, base,
241 fdt_get_name(gd->fdt_blob, dev_of_offset(dev), NULL));
243 ut_assert(!dm_check_operations(uts, dev, base,
250 /* Test that FDT-based binding works correctly */
251 static int dm_test_fdt(struct unit_test_state *uts)
253 const int num_devices = 8;
259 ret = dm_extended_scan_fdt(gd->fdt_blob, false);
262 ret = uclass_get(UCLASS_TEST_FDT, &uc);
265 /* These are num_devices compatible root-level device tree nodes */
266 ut_asserteq(num_devices, list_count_items(&uc->dev_head));
268 /* Each should have platform data but no private data */
269 for (i = 0; i < num_devices; i++) {
270 ret = uclass_find_device(UCLASS_TEST_FDT, i, &dev);
272 ut_assert(!dev_get_priv(dev));
273 ut_assert(dev->platdata);
276 ut_assertok(dm_check_devices(uts, num_devices));
280 DM_TEST(dm_test_fdt, 0);
282 static int dm_test_alias_highest_id(struct unit_test_state *uts)
286 ret = dev_read_alias_highest_id("eth");
289 ret = dev_read_alias_highest_id("gpio");
292 ret = dev_read_alias_highest_id("pci");
295 ret = dev_read_alias_highest_id("i2c");
298 ret = dev_read_alias_highest_id("deadbeef");
299 ut_asserteq(-1, ret);
303 DM_TEST(dm_test_alias_highest_id, 0);
305 static int dm_test_fdt_pre_reloc(struct unit_test_state *uts)
310 ret = dm_scan_fdt(gd->fdt_blob, true);
313 ret = uclass_get(UCLASS_TEST_FDT, &uc);
317 * These are 2 pre-reloc devices:
318 * one with "u-boot,dm-pre-reloc" property (a-test node), and the other
319 * one whose driver marked with DM_FLAG_PRE_RELOC flag (h-test node).
321 ut_asserteq(2, list_count_items(&uc->dev_head));
325 DM_TEST(dm_test_fdt_pre_reloc, 0);
327 /* Test that sequence numbers are allocated properly */
328 static int dm_test_fdt_uclass_seq(struct unit_test_state *uts)
332 /* A few basic santiy tests */
333 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_FDT, 3, true, &dev));
334 ut_asserteq_str("b-test", dev->name);
336 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_FDT, 8, true, &dev));
337 ut_asserteq_str("a-test", dev->name);
339 ut_asserteq(-ENODEV, uclass_find_device_by_seq(UCLASS_TEST_FDT, 5,
341 ut_asserteq_ptr(NULL, dev);
344 ut_assertok(uclass_get_device_by_seq(UCLASS_TEST_FDT, 6, &dev));
345 ut_asserteq_str("e-test", dev->name);
347 ut_asserteq(-ENODEV, uclass_find_device_by_seq(UCLASS_TEST_FDT, 7,
351 * Note that c-test nodes are not probed since it is not a top-level
354 ut_assertok(uclass_get_device_by_seq(UCLASS_TEST_FDT, 3, &dev));
355 ut_asserteq_str("b-test", dev->name);
358 * d-test wants sequence number 3 also, but it can't have it because
359 * b-test gets it first.
361 ut_assertok(uclass_get_device(UCLASS_TEST_FDT, 2, &dev));
362 ut_asserteq_str("d-test", dev->name);
364 /* d-test actually gets 0 */
365 ut_assertok(uclass_get_device_by_seq(UCLASS_TEST_FDT, 0, &dev));
366 ut_asserteq_str("d-test", dev->name);
368 /* initially no one wants seq 1 */
369 ut_asserteq(-ENODEV, uclass_get_device_by_seq(UCLASS_TEST_FDT, 1,
371 ut_assertok(uclass_get_device(UCLASS_TEST_FDT, 0, &dev));
372 ut_assertok(uclass_get_device(UCLASS_TEST_FDT, 4, &dev));
374 /* But now that it is probed, we can find it */
375 ut_assertok(uclass_get_device_by_seq(UCLASS_TEST_FDT, 1, &dev));
376 ut_asserteq_str("f-test", dev->name);
380 DM_TEST(dm_test_fdt_uclass_seq, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
382 /* Test that we can find a device by device tree offset */
383 static int dm_test_fdt_offset(struct unit_test_state *uts)
385 const void *blob = gd->fdt_blob;
389 node = fdt_path_offset(blob, "/e-test");
391 ut_assertok(uclass_get_device_by_of_offset(UCLASS_TEST_FDT, node,
393 ut_asserteq_str("e-test", dev->name);
395 /* This node should not be bound */
396 node = fdt_path_offset(blob, "/junk");
398 ut_asserteq(-ENODEV, uclass_get_device_by_of_offset(UCLASS_TEST_FDT,
401 /* This is not a top level node so should not be probed */
402 node = fdt_path_offset(blob, "/some-bus/c-test@5");
404 ut_asserteq(-ENODEV, uclass_get_device_by_of_offset(UCLASS_TEST_FDT,
409 DM_TEST(dm_test_fdt_offset,
410 DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT | DM_TESTF_FLAT_TREE);
413 * Test various error conditions with uclass_first_device() and
414 * uclass_next_device()
416 static int dm_test_first_next_device(struct unit_test_state *uts)
418 struct dm_testprobe_pdata *pdata;
419 struct udevice *dev, *parent = NULL;
423 /* There should be 4 devices */
424 for (ret = uclass_first_device(UCLASS_TEST_PROBE, &dev), count = 0;
426 ret = uclass_next_device(&dev)) {
428 parent = dev_get_parent(dev);
431 ut_asserteq(4, count);
433 /* Remove them and try again, with an error on the second one */
434 ut_assertok(uclass_get_device(UCLASS_TEST_PROBE, 1, &dev));
435 pdata = dev_get_platdata(dev);
436 pdata->probe_err = -ENOMEM;
437 device_remove(parent, DM_REMOVE_NORMAL);
438 ut_assertok(uclass_first_device(UCLASS_TEST_PROBE, &dev));
439 ut_asserteq(-ENOMEM, uclass_next_device(&dev));
440 ut_asserteq_ptr(dev, NULL);
442 /* Now an error on the first one */
443 ut_assertok(uclass_get_device(UCLASS_TEST_PROBE, 0, &dev));
444 pdata = dev_get_platdata(dev);
445 pdata->probe_err = -ENOENT;
446 device_remove(parent, DM_REMOVE_NORMAL);
447 ut_asserteq(-ENOENT, uclass_first_device(UCLASS_TEST_PROBE, &dev));
451 DM_TEST(dm_test_first_next_device, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
453 /* Test iteration through devices in a uclass */
454 static int dm_test_uclass_foreach(struct unit_test_state *uts)
461 uclass_id_foreach_dev(UCLASS_TEST_FDT, dev, uc)
463 ut_asserteq(8, count);
466 uclass_foreach_dev(dev, uc)
468 ut_asserteq(8, count);
472 DM_TEST(dm_test_uclass_foreach, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
475 * check_devices() - Check return values and pointers
477 * This runs through a full sequence of uclass_first_device_check()...
478 * uclass_next_device_check() checking that the return values and devices
482 * @devlist: List of expected devices
483 * @mask: Indicates which devices should return an error. Device n should
484 * return error (-NOENT - n) if bit n is set, or no error (i.e. 0) if
487 static int check_devices(struct unit_test_state *uts,
488 struct udevice *devlist[], int mask)
494 expected_ret = (mask & 1) ? -ENOENT : 0;
496 ut_asserteq(expected_ret,
497 uclass_first_device_check(UCLASS_TEST_PROBE, &dev));
498 for (i = 0; i < 4; i++) {
499 ut_asserteq_ptr(devlist[i], dev);
500 expected_ret = (mask & 1) ? -ENOENT - (i + 1) : 0;
502 ut_asserteq(expected_ret, uclass_next_device_check(&dev));
504 ut_asserteq_ptr(NULL, dev);
509 /* Test uclass_first_device_check() and uclass_next_device_check() */
510 static int dm_test_first_next_ok_device(struct unit_test_state *uts)
512 struct dm_testprobe_pdata *pdata;
513 struct udevice *dev, *parent = NULL, *devlist[4];
517 /* There should be 4 devices */
519 for (ret = uclass_first_device_check(UCLASS_TEST_PROBE, &dev);
521 ret = uclass_next_device_check(&dev)) {
523 devlist[count++] = dev;
524 parent = dev_get_parent(dev);
526 ut_asserteq(4, count);
527 ut_assertok(uclass_first_device_check(UCLASS_TEST_PROBE, &dev));
528 ut_assertok(check_devices(uts, devlist, 0));
530 /* Remove them and try again, with an error on the second one */
531 pdata = dev_get_platdata(devlist[1]);
532 pdata->probe_err = -ENOENT - 1;
533 device_remove(parent, DM_REMOVE_NORMAL);
534 ut_assertok(check_devices(uts, devlist, 1 << 1));
536 /* Now an error on the first one */
537 pdata = dev_get_platdata(devlist[0]);
538 pdata->probe_err = -ENOENT - 0;
539 device_remove(parent, DM_REMOVE_NORMAL);
540 ut_assertok(check_devices(uts, devlist, 3 << 0));
542 /* Now errors on all */
543 pdata = dev_get_platdata(devlist[2]);
544 pdata->probe_err = -ENOENT - 2;
545 pdata = dev_get_platdata(devlist[3]);
546 pdata->probe_err = -ENOENT - 3;
547 device_remove(parent, DM_REMOVE_NORMAL);
548 ut_assertok(check_devices(uts, devlist, 0xf << 0));
552 DM_TEST(dm_test_first_next_ok_device, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
554 static const struct udevice_id fdt_dummy_ids[] = {
555 { .compatible = "denx,u-boot-fdt-dummy", },
559 UCLASS_DRIVER(fdt_dummy) = {
561 .id = UCLASS_TEST_DUMMY,
562 .flags = DM_UC_FLAG_SEQ_ALIAS,
565 U_BOOT_DRIVER(fdt_dummy_drv) = {
566 .name = "fdt_dummy_drv",
567 .of_match = fdt_dummy_ids,
568 .id = UCLASS_TEST_DUMMY,
571 static int dm_test_fdt_translation(struct unit_test_state *uts)
576 /* Some simple translations */
577 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
578 ut_asserteq_str("dev@0,0", dev->name);
579 ut_asserteq(0x8000, dev_read_addr(dev));
581 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 1, true, &dev));
582 ut_asserteq_str("dev@1,100", dev->name);
583 ut_asserteq(0x9000, dev_read_addr(dev));
585 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 2, true, &dev));
586 ut_asserteq_str("dev@2,200", dev->name);
587 ut_asserteq(0xA000, dev_read_addr(dev));
589 /* No translation for busses with #size-cells == 0 */
590 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 3, true, &dev));
591 ut_asserteq_str("dev@42", dev->name);
592 ut_asserteq(0x42, dev_read_addr(dev));
594 /* dma address translation */
595 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
596 dma_addr[0] = cpu_to_be32(0);
597 dma_addr[1] = cpu_to_be32(0);
598 ut_asserteq(0x10000000, dev_translate_dma_address(dev, dma_addr));
600 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 1, true, &dev));
601 dma_addr[0] = cpu_to_be32(1);
602 dma_addr[1] = cpu_to_be32(0x100);
603 ut_asserteq(0x20000000, dev_translate_dma_address(dev, dma_addr));
607 DM_TEST(dm_test_fdt_translation, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
609 static int dm_test_fdt_remap_addr_flat(struct unit_test_state *uts)
615 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
617 addr = devfdt_get_addr(dev);
618 ut_asserteq(0x8000, addr);
620 paddr = map_physmem(addr, 0, MAP_NOCACHE);
621 ut_assertnonnull(paddr);
622 ut_asserteq_ptr(paddr, devfdt_remap_addr(dev));
626 DM_TEST(dm_test_fdt_remap_addr_flat,
627 DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT | DM_TESTF_FLAT_TREE);
629 static int dm_test_fdt_remap_addr_index_flat(struct unit_test_state *uts)
636 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
638 addr = devfdt_get_addr_size_index(dev, 0, &size);
639 ut_asserteq(0x8000, addr);
640 ut_asserteq(0x1000, size);
642 paddr = map_physmem(addr, 0, MAP_NOCACHE);
643 ut_assertnonnull(paddr);
644 ut_asserteq_ptr(paddr, devfdt_remap_addr_index(dev, 0));
648 DM_TEST(dm_test_fdt_remap_addr_index_flat,
649 DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT | DM_TESTF_FLAT_TREE);
651 static int dm_test_fdt_remap_addr_name_flat(struct unit_test_state *uts)
658 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
660 addr = devfdt_get_addr_size_name(dev, "sandbox-dummy-0", &size);
661 ut_asserteq(0x8000, addr);
662 ut_asserteq(0x1000, size);
664 paddr = map_physmem(addr, 0, MAP_NOCACHE);
665 ut_assertnonnull(paddr);
666 ut_asserteq_ptr(paddr, devfdt_remap_addr_name(dev, "sandbox-dummy-0"));
670 DM_TEST(dm_test_fdt_remap_addr_name_flat,
671 DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT | DM_TESTF_FLAT_TREE);
673 static int dm_test_fdt_remap_addr_live(struct unit_test_state *uts)
679 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
681 addr = dev_read_addr(dev);
682 ut_asserteq(0x8000, addr);
684 paddr = map_physmem(addr, 0, MAP_NOCACHE);
685 ut_assertnonnull(paddr);
686 ut_asserteq_ptr(paddr, dev_remap_addr(dev));
690 DM_TEST(dm_test_fdt_remap_addr_live,
691 DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
693 static int dm_test_fdt_remap_addr_index_live(struct unit_test_state *uts)
700 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
702 addr = dev_read_addr_size_index(dev, 0, &size);
703 ut_asserteq(0x8000, addr);
704 ut_asserteq(0x1000, size);
706 paddr = map_physmem(addr, 0, MAP_NOCACHE);
707 ut_assertnonnull(paddr);
708 ut_asserteq_ptr(paddr, dev_remap_addr_index(dev, 0));
712 DM_TEST(dm_test_fdt_remap_addr_index_live,
713 DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
715 static int dm_test_fdt_remap_addr_name_live(struct unit_test_state *uts)
722 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
724 addr = dev_read_addr_size_name(dev, "sandbox-dummy-0", &size);
725 ut_asserteq(0x8000, addr);
726 ut_asserteq(0x1000, size);
728 paddr = map_physmem(addr, 0, MAP_NOCACHE);
729 ut_assertnonnull(paddr);
730 ut_asserteq_ptr(paddr, dev_remap_addr_name(dev, "sandbox-dummy-0"));
734 DM_TEST(dm_test_fdt_remap_addr_name_live,
735 DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
737 static int dm_test_fdt_livetree_writing(struct unit_test_state *uts)
742 if (!of_live_active()) {
743 printf("Live tree not active; ignore test\n");
747 /* Test enabling devices */
749 node = ofnode_path("/usb@2");
751 ut_assert(!of_device_is_available(ofnode_to_np(node)));
752 ofnode_set_enabled(node, true);
753 ut_assert(of_device_is_available(ofnode_to_np(node)));
755 device_bind_driver_to_node(dm_root(), "usb_sandbox", "usb@2", node,
757 ut_assertok(uclass_find_device_by_seq(UCLASS_USB, 2, true, &dev));
759 /* Test string property setting */
761 ut_assert(device_is_compatible(dev, "sandbox,usb"));
762 ofnode_write_string(node, "compatible", "gdsys,super-usb");
763 ut_assert(device_is_compatible(dev, "gdsys,super-usb"));
764 ofnode_write_string(node, "compatible", "sandbox,usb");
765 ut_assert(device_is_compatible(dev, "sandbox,usb"));
767 /* Test setting generic properties */
769 /* Non-existent in DTB */
770 ut_asserteq(FDT_ADDR_T_NONE, dev_read_addr(dev));
771 /* reg = 0x42, size = 0x100 */
772 ut_assertok(ofnode_write_prop(node, "reg", 8,
773 "\x00\x00\x00\x42\x00\x00\x01\x00"));
774 ut_asserteq(0x42, dev_read_addr(dev));
776 /* Test disabling devices */
778 device_remove(dev, DM_REMOVE_NORMAL);
781 ut_assert(of_device_is_available(ofnode_to_np(node)));
782 ofnode_set_enabled(node, false);
783 ut_assert(!of_device_is_available(ofnode_to_np(node)));
787 DM_TEST(dm_test_fdt_livetree_writing, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
789 static int dm_test_fdt_disable_enable_by_path(struct unit_test_state *uts)
793 if (!of_live_active()) {
794 printf("Live tree not active; ignore test\n");
798 node = ofnode_path("/usb@2");
800 /* Test enabling devices */
802 ut_assert(!of_device_is_available(ofnode_to_np(node)));
803 dev_enable_by_path("/usb@2");
804 ut_assert(of_device_is_available(ofnode_to_np(node)));
806 /* Test disabling devices */
808 ut_assert(of_device_is_available(ofnode_to_np(node)));
809 dev_disable_by_path("/usb@2");
810 ut_assert(!of_device_is_available(ofnode_to_np(node)));
814 DM_TEST(dm_test_fdt_disable_enable_by_path, DM_TESTF_SCAN_PDATA |
817 /* Test a few uclass phandle functions */
818 static int dm_test_fdt_phandle(struct unit_test_state *uts)
820 struct udevice *back, *dev, *dev2;
822 ut_assertok(uclass_find_first_device(UCLASS_PANEL_BACKLIGHT, &back));
823 ut_asserteq(-ENOENT, uclass_find_device_by_phandle(UCLASS_REGULATOR,
824 back, "missing", &dev));
825 ut_assertok(uclass_find_device_by_phandle(UCLASS_REGULATOR, back,
826 "power-supply", &dev));
827 ut_asserteq(0, device_active(dev));
828 ut_asserteq_str("ldo1", dev->name);
829 ut_assertok(uclass_get_device_by_phandle(UCLASS_REGULATOR, back,
830 "power-supply", &dev2));
831 ut_asserteq_ptr(dev, dev2);
835 DM_TEST(dm_test_fdt_phandle, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
837 /* Test device_find_first_child_by_uclass() */
838 static int dm_test_first_child(struct unit_test_state *uts)
840 struct udevice *i2c, *dev, *dev2;
842 ut_assertok(uclass_first_device_err(UCLASS_I2C, &i2c));
843 ut_assertok(device_find_first_child_by_uclass(i2c, UCLASS_RTC, &dev));
844 ut_asserteq_str("rtc@43", dev->name);
845 ut_assertok(device_find_child_by_name(i2c, "rtc@43", &dev2));
846 ut_asserteq_ptr(dev, dev2);
847 ut_assertok(device_find_child_by_name(i2c, "rtc@61", &dev2));
848 ut_asserteq_str("rtc@61", dev2->name);
850 ut_assertok(device_find_first_child_by_uclass(i2c, UCLASS_I2C_EEPROM,
852 ut_asserteq_str("eeprom@2c", dev->name);
853 ut_assertok(device_find_child_by_name(i2c, "eeprom@2c", &dev2));
854 ut_asserteq_ptr(dev, dev2);
856 ut_asserteq(-ENODEV, device_find_first_child_by_uclass(i2c,
857 UCLASS_VIDEO, &dev));
858 ut_asserteq(-ENODEV, device_find_child_by_name(i2c, "missing", &dev));
862 DM_TEST(dm_test_first_child, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
864 /* Test integer functions in dm_read_...() */
865 static int dm_test_read_int(struct unit_test_state *uts)
873 ut_assertok(uclass_first_device_err(UCLASS_TEST_FDT, &dev));
874 ut_asserteq_str("a-test", dev->name);
875 ut_assertok(dev_read_u32(dev, "int-value", &val32));
876 ut_asserteq(1234, val32);
878 ut_asserteq(-EINVAL, dev_read_u32(dev, "missing", &val32));
879 ut_asserteq(6, dev_read_u32_default(dev, "missing", 6));
881 ut_asserteq(1234, dev_read_u32_default(dev, "int-value", 6));
882 ut_asserteq(1234, val32);
884 ut_asserteq(-EINVAL, dev_read_s32(dev, "missing", &sval));
885 ut_asserteq(6, dev_read_s32_default(dev, "missing", 6));
887 ut_asserteq(-1234, dev_read_s32_default(dev, "uint-value", 6));
888 ut_assertok(dev_read_s32(dev, "uint-value", &sval));
889 ut_asserteq(-1234, sval);
892 ut_asserteq(-EINVAL, dev_read_u32u(dev, "missing", &val));
893 ut_assertok(dev_read_u32u(dev, "uint-value", &val));
894 ut_asserteq(-1234, val);
896 ut_assertok(dev_read_u64(dev, "int64-value", &val64));
897 ut_asserteq_64(0x1111222233334444, val64);
899 ut_asserteq_64(-EINVAL, dev_read_u64(dev, "missing", &val64));
900 ut_asserteq_64(6, dev_read_u64_default(dev, "missing", 6));
902 ut_asserteq_64(0x1111222233334444,
903 dev_read_u64_default(dev, "int64-value", 6));
907 DM_TEST(dm_test_read_int, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
909 static int dm_test_read_int_index(struct unit_test_state *uts)
914 ut_assertok(uclass_first_device_err(UCLASS_TEST_FDT, &dev));
915 ut_asserteq_str("a-test", dev->name);
917 ut_asserteq(-EINVAL, dev_read_u32_index(dev, "missing", 0, &val32));
918 ut_asserteq(19, dev_read_u32_index_default(dev, "missing", 0, 19));
920 ut_assertok(dev_read_u32_index(dev, "int-array", 0, &val32));
921 ut_asserteq(5678, val32);
922 ut_assertok(dev_read_u32_index(dev, "int-array", 1, &val32));
923 ut_asserteq(9123, val32);
924 ut_assertok(dev_read_u32_index(dev, "int-array", 2, &val32));
925 ut_asserteq(4567, val32);
926 ut_asserteq(-EOVERFLOW, dev_read_u32_index(dev, "int-array", 3,
929 ut_asserteq(5678, dev_read_u32_index_default(dev, "int-array", 0, 2));
930 ut_asserteq(9123, dev_read_u32_index_default(dev, "int-array", 1, 2));
931 ut_asserteq(4567, dev_read_u32_index_default(dev, "int-array", 2, 2));
932 ut_asserteq(2, dev_read_u32_index_default(dev, "int-array", 3, 2));
936 DM_TEST(dm_test_read_int_index, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
938 /* Test iteration through devices by drvdata */
939 static int dm_test_uclass_drvdata(struct unit_test_state *uts)
943 ut_assertok(uclass_first_device_drvdata(UCLASS_TEST_FDT,
944 DM_TEST_TYPE_FIRST, &dev));
945 ut_asserteq_str("a-test", dev->name);
947 ut_assertok(uclass_first_device_drvdata(UCLASS_TEST_FDT,
948 DM_TEST_TYPE_SECOND, &dev));
949 ut_asserteq_str("d-test", dev->name);
951 ut_asserteq(-ENODEV, uclass_first_device_drvdata(UCLASS_TEST_FDT,
957 DM_TEST(dm_test_uclass_drvdata, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
959 /* Test device_first_child_ofdata_err(), etc. */
960 static int dm_test_child_ofdata(struct unit_test_state *uts)
962 struct udevice *bus, *dev;
965 ut_assertok(uclass_first_device_err(UCLASS_TEST_BUS, &bus));
967 device_foreach_child_ofdata_to_platdata(dev, bus) {
968 ut_assert(dev->flags & DM_FLAG_PLATDATA_VALID);
969 ut_assert(!(dev->flags & DM_FLAG_ACTIVATED));
972 ut_asserteq(3, count);
976 DM_TEST(dm_test_child_ofdata, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
978 /* Test device_first_child_err(), etc. */
979 static int dm_test_first_child_probe(struct unit_test_state *uts)
981 struct udevice *bus, *dev;
984 ut_assertok(uclass_first_device_err(UCLASS_TEST_BUS, &bus));
986 device_foreach_child_probe(dev, bus) {
987 ut_assert(dev->flags & DM_FLAG_PLATDATA_VALID);
988 ut_assert(dev->flags & DM_FLAG_ACTIVATED);
991 ut_asserteq(3, count);
995 DM_TEST(dm_test_first_child_probe, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
997 /* Test that ofdata is read for parents before children */
998 static int dm_test_ofdata_order(struct unit_test_state *uts)
1000 struct udevice *bus, *dev;
1002 ut_assertok(uclass_find_first_device(UCLASS_I2C, &bus));
1003 ut_assertnonnull(bus);
1004 ut_assert(!(bus->flags & DM_FLAG_PLATDATA_VALID));
1006 ut_assertok(device_find_first_child(bus, &dev));
1007 ut_assertnonnull(dev);
1008 ut_assert(!(dev->flags & DM_FLAG_PLATDATA_VALID));
1010 /* read the child's ofdata which should cause the parent's to be read */
1011 ut_assertok(device_ofdata_to_platdata(dev));
1012 ut_assert(dev->flags & DM_FLAG_PLATDATA_VALID);
1013 ut_assert(bus->flags & DM_FLAG_PLATDATA_VALID);
1015 ut_assert(!(dev->flags & DM_FLAG_ACTIVATED));
1016 ut_assert(!(bus->flags & DM_FLAG_ACTIVATED));
1020 DM_TEST(dm_test_ofdata_order, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);