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);
365 * d-test actually gets 9, because thats the next free one after the
368 ut_assertok(uclass_get_device_by_seq(UCLASS_TEST_FDT, 9, &dev));
369 ut_asserteq_str("d-test", dev->name);
371 /* initially no one wants seq 10 */
372 ut_asserteq(-ENODEV, uclass_get_device_by_seq(UCLASS_TEST_FDT, 10,
374 ut_assertok(uclass_get_device(UCLASS_TEST_FDT, 0, &dev));
375 ut_assertok(uclass_get_device(UCLASS_TEST_FDT, 4, &dev));
377 /* But now that it is probed, we can find it */
378 ut_assertok(uclass_get_device_by_seq(UCLASS_TEST_FDT, 10, &dev));
379 ut_asserteq_str("f-test", dev->name);
382 * And we should still have holes in our sequence numbers, that is 2
383 * and 4 should not be used.
385 ut_asserteq(-ENODEV, uclass_find_device_by_seq(UCLASS_TEST_FDT, 2,
387 ut_asserteq(-ENODEV, uclass_find_device_by_seq(UCLASS_TEST_FDT, 4,
392 DM_TEST(dm_test_fdt_uclass_seq, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
394 /* Test that we can find a device by device tree offset */
395 static int dm_test_fdt_offset(struct unit_test_state *uts)
397 const void *blob = gd->fdt_blob;
401 node = fdt_path_offset(blob, "/e-test");
403 ut_assertok(uclass_get_device_by_of_offset(UCLASS_TEST_FDT, node,
405 ut_asserteq_str("e-test", dev->name);
407 /* This node should not be bound */
408 node = fdt_path_offset(blob, "/junk");
410 ut_asserteq(-ENODEV, uclass_get_device_by_of_offset(UCLASS_TEST_FDT,
413 /* This is not a top level node so should not be probed */
414 node = fdt_path_offset(blob, "/some-bus/c-test@5");
416 ut_asserteq(-ENODEV, uclass_get_device_by_of_offset(UCLASS_TEST_FDT,
421 DM_TEST(dm_test_fdt_offset,
422 DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT | DM_TESTF_FLAT_TREE);
425 * Test various error conditions with uclass_first_device() and
426 * uclass_next_device()
428 static int dm_test_first_next_device(struct unit_test_state *uts)
430 struct dm_testprobe_pdata *pdata;
431 struct udevice *dev, *parent = NULL;
435 /* There should be 4 devices */
436 for (ret = uclass_first_device(UCLASS_TEST_PROBE, &dev), count = 0;
438 ret = uclass_next_device(&dev)) {
440 parent = dev_get_parent(dev);
443 ut_asserteq(4, count);
445 /* Remove them and try again, with an error on the second one */
446 ut_assertok(uclass_get_device(UCLASS_TEST_PROBE, 1, &dev));
447 pdata = dev_get_platdata(dev);
448 pdata->probe_err = -ENOMEM;
449 device_remove(parent, DM_REMOVE_NORMAL);
450 ut_assertok(uclass_first_device(UCLASS_TEST_PROBE, &dev));
451 ut_asserteq(-ENOMEM, uclass_next_device(&dev));
452 ut_asserteq_ptr(dev, NULL);
454 /* Now an error on the first one */
455 ut_assertok(uclass_get_device(UCLASS_TEST_PROBE, 0, &dev));
456 pdata = dev_get_platdata(dev);
457 pdata->probe_err = -ENOENT;
458 device_remove(parent, DM_REMOVE_NORMAL);
459 ut_asserteq(-ENOENT, uclass_first_device(UCLASS_TEST_PROBE, &dev));
463 DM_TEST(dm_test_first_next_device, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
465 /* Test iteration through devices in a uclass */
466 static int dm_test_uclass_foreach(struct unit_test_state *uts)
473 uclass_id_foreach_dev(UCLASS_TEST_FDT, dev, uc)
475 ut_asserteq(8, count);
478 uclass_foreach_dev(dev, uc)
480 ut_asserteq(8, count);
484 DM_TEST(dm_test_uclass_foreach, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
487 * check_devices() - Check return values and pointers
489 * This runs through a full sequence of uclass_first_device_check()...
490 * uclass_next_device_check() checking that the return values and devices
494 * @devlist: List of expected devices
495 * @mask: Indicates which devices should return an error. Device n should
496 * return error (-NOENT - n) if bit n is set, or no error (i.e. 0) if
499 static int check_devices(struct unit_test_state *uts,
500 struct udevice *devlist[], int mask)
506 expected_ret = (mask & 1) ? -ENOENT : 0;
508 ut_asserteq(expected_ret,
509 uclass_first_device_check(UCLASS_TEST_PROBE, &dev));
510 for (i = 0; i < 4; i++) {
511 ut_asserteq_ptr(devlist[i], dev);
512 expected_ret = (mask & 1) ? -ENOENT - (i + 1) : 0;
514 ut_asserteq(expected_ret, uclass_next_device_check(&dev));
516 ut_asserteq_ptr(NULL, dev);
521 /* Test uclass_first_device_check() and uclass_next_device_check() */
522 static int dm_test_first_next_ok_device(struct unit_test_state *uts)
524 struct dm_testprobe_pdata *pdata;
525 struct udevice *dev, *parent = NULL, *devlist[4];
529 /* There should be 4 devices */
531 for (ret = uclass_first_device_check(UCLASS_TEST_PROBE, &dev);
533 ret = uclass_next_device_check(&dev)) {
535 devlist[count++] = dev;
536 parent = dev_get_parent(dev);
538 ut_asserteq(4, count);
539 ut_assertok(uclass_first_device_check(UCLASS_TEST_PROBE, &dev));
540 ut_assertok(check_devices(uts, devlist, 0));
542 /* Remove them and try again, with an error on the second one */
543 pdata = dev_get_platdata(devlist[1]);
544 pdata->probe_err = -ENOENT - 1;
545 device_remove(parent, DM_REMOVE_NORMAL);
546 ut_assertok(check_devices(uts, devlist, 1 << 1));
548 /* Now an error on the first one */
549 pdata = dev_get_platdata(devlist[0]);
550 pdata->probe_err = -ENOENT - 0;
551 device_remove(parent, DM_REMOVE_NORMAL);
552 ut_assertok(check_devices(uts, devlist, 3 << 0));
554 /* Now errors on all */
555 pdata = dev_get_platdata(devlist[2]);
556 pdata->probe_err = -ENOENT - 2;
557 pdata = dev_get_platdata(devlist[3]);
558 pdata->probe_err = -ENOENT - 3;
559 device_remove(parent, DM_REMOVE_NORMAL);
560 ut_assertok(check_devices(uts, devlist, 0xf << 0));
564 DM_TEST(dm_test_first_next_ok_device, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
566 static const struct udevice_id fdt_dummy_ids[] = {
567 { .compatible = "denx,u-boot-fdt-dummy", },
571 UCLASS_DRIVER(fdt_dummy) = {
573 .id = UCLASS_TEST_DUMMY,
574 .flags = DM_UC_FLAG_SEQ_ALIAS,
577 U_BOOT_DRIVER(fdt_dummy_drv) = {
578 .name = "fdt_dummy_drv",
579 .of_match = fdt_dummy_ids,
580 .id = UCLASS_TEST_DUMMY,
583 static int dm_test_fdt_translation(struct unit_test_state *uts)
588 /* Some simple translations */
589 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
590 ut_asserteq_str("dev@0,0", dev->name);
591 ut_asserteq(0x8000, dev_read_addr(dev));
593 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 1, true, &dev));
594 ut_asserteq_str("dev@1,100", dev->name);
595 ut_asserteq(0x9000, dev_read_addr(dev));
597 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 2, true, &dev));
598 ut_asserteq_str("dev@2,200", dev->name);
599 ut_asserteq(0xA000, dev_read_addr(dev));
601 /* No translation for busses with #size-cells == 0 */
602 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 3, true, &dev));
603 ut_asserteq_str("dev@42", dev->name);
604 ut_asserteq(0x42, dev_read_addr(dev));
606 /* dma address translation */
607 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
608 dma_addr[0] = cpu_to_be32(0);
609 dma_addr[1] = cpu_to_be32(0);
610 ut_asserteq(0x10000000, dev_translate_dma_address(dev, dma_addr));
612 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 1, true, &dev));
613 dma_addr[0] = cpu_to_be32(1);
614 dma_addr[1] = cpu_to_be32(0x100);
615 ut_asserteq(0x20000000, dev_translate_dma_address(dev, dma_addr));
619 DM_TEST(dm_test_fdt_translation, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
621 static int dm_test_fdt_remap_addr_flat(struct unit_test_state *uts)
627 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
629 addr = devfdt_get_addr(dev);
630 ut_asserteq(0x8000, addr);
632 paddr = map_physmem(addr, 0, MAP_NOCACHE);
633 ut_assertnonnull(paddr);
634 ut_asserteq_ptr(paddr, devfdt_remap_addr(dev));
638 DM_TEST(dm_test_fdt_remap_addr_flat,
639 DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT | DM_TESTF_FLAT_TREE);
641 static int dm_test_fdt_remap_addr_index_flat(struct unit_test_state *uts)
648 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
650 addr = devfdt_get_addr_size_index(dev, 0, &size);
651 ut_asserteq(0x8000, addr);
652 ut_asserteq(0x1000, size);
654 paddr = map_physmem(addr, 0, MAP_NOCACHE);
655 ut_assertnonnull(paddr);
656 ut_asserteq_ptr(paddr, devfdt_remap_addr_index(dev, 0));
660 DM_TEST(dm_test_fdt_remap_addr_index_flat,
661 DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT | DM_TESTF_FLAT_TREE);
663 static int dm_test_fdt_remap_addr_name_flat(struct unit_test_state *uts)
670 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
672 addr = devfdt_get_addr_size_name(dev, "sandbox-dummy-0", &size);
673 ut_asserteq(0x8000, addr);
674 ut_asserteq(0x1000, size);
676 paddr = map_physmem(addr, 0, MAP_NOCACHE);
677 ut_assertnonnull(paddr);
678 ut_asserteq_ptr(paddr, devfdt_remap_addr_name(dev, "sandbox-dummy-0"));
682 DM_TEST(dm_test_fdt_remap_addr_name_flat,
683 DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT | DM_TESTF_FLAT_TREE);
685 static int dm_test_fdt_remap_addr_live(struct unit_test_state *uts)
691 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
693 addr = dev_read_addr(dev);
694 ut_asserteq(0x8000, addr);
696 paddr = map_physmem(addr, 0, MAP_NOCACHE);
697 ut_assertnonnull(paddr);
698 ut_asserteq_ptr(paddr, dev_remap_addr(dev));
702 DM_TEST(dm_test_fdt_remap_addr_live,
703 DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
705 static int dm_test_fdt_remap_addr_index_live(struct unit_test_state *uts)
712 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
714 addr = dev_read_addr_size_index(dev, 0, &size);
715 ut_asserteq(0x8000, addr);
716 ut_asserteq(0x1000, size);
718 paddr = map_physmem(addr, 0, MAP_NOCACHE);
719 ut_assertnonnull(paddr);
720 ut_asserteq_ptr(paddr, dev_remap_addr_index(dev, 0));
724 DM_TEST(dm_test_fdt_remap_addr_index_live,
725 DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
727 static int dm_test_fdt_remap_addr_name_live(struct unit_test_state *uts)
734 ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
736 addr = dev_read_addr_size_name(dev, "sandbox-dummy-0", &size);
737 ut_asserteq(0x8000, addr);
738 ut_asserteq(0x1000, size);
740 paddr = map_physmem(addr, 0, MAP_NOCACHE);
741 ut_assertnonnull(paddr);
742 ut_asserteq_ptr(paddr, dev_remap_addr_name(dev, "sandbox-dummy-0"));
746 DM_TEST(dm_test_fdt_remap_addr_name_live,
747 DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
749 static int dm_test_fdt_livetree_writing(struct unit_test_state *uts)
754 if (!of_live_active()) {
755 printf("Live tree not active; ignore test\n");
759 /* Test enabling devices */
761 node = ofnode_path("/usb@2");
763 ut_assert(!of_device_is_available(ofnode_to_np(node)));
764 ofnode_set_enabled(node, true);
765 ut_assert(of_device_is_available(ofnode_to_np(node)));
767 device_bind_driver_to_node(dm_root(), "usb_sandbox", "usb@2", node,
769 ut_assertok(uclass_find_device_by_seq(UCLASS_USB, 2, true, &dev));
771 /* Test string property setting */
773 ut_assert(device_is_compatible(dev, "sandbox,usb"));
774 ofnode_write_string(node, "compatible", "gdsys,super-usb");
775 ut_assert(device_is_compatible(dev, "gdsys,super-usb"));
776 ofnode_write_string(node, "compatible", "sandbox,usb");
777 ut_assert(device_is_compatible(dev, "sandbox,usb"));
779 /* Test setting generic properties */
781 /* Non-existent in DTB */
782 ut_asserteq(FDT_ADDR_T_NONE, dev_read_addr(dev));
783 /* reg = 0x42, size = 0x100 */
784 ut_assertok(ofnode_write_prop(node, "reg", 8,
785 "\x00\x00\x00\x42\x00\x00\x01\x00"));
786 ut_asserteq(0x42, dev_read_addr(dev));
788 /* Test disabling devices */
790 device_remove(dev, DM_REMOVE_NORMAL);
793 ut_assert(of_device_is_available(ofnode_to_np(node)));
794 ofnode_set_enabled(node, false);
795 ut_assert(!of_device_is_available(ofnode_to_np(node)));
799 DM_TEST(dm_test_fdt_livetree_writing, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
801 static int dm_test_fdt_disable_enable_by_path(struct unit_test_state *uts)
805 if (!of_live_active()) {
806 printf("Live tree not active; ignore test\n");
810 node = ofnode_path("/usb@2");
812 /* Test enabling devices */
814 ut_assert(!of_device_is_available(ofnode_to_np(node)));
815 dev_enable_by_path("/usb@2");
816 ut_assert(of_device_is_available(ofnode_to_np(node)));
818 /* Test disabling devices */
820 ut_assert(of_device_is_available(ofnode_to_np(node)));
821 dev_disable_by_path("/usb@2");
822 ut_assert(!of_device_is_available(ofnode_to_np(node)));
826 DM_TEST(dm_test_fdt_disable_enable_by_path, DM_TESTF_SCAN_PDATA |
829 /* Test a few uclass phandle functions */
830 static int dm_test_fdt_phandle(struct unit_test_state *uts)
832 struct udevice *back, *dev, *dev2;
834 ut_assertok(uclass_find_first_device(UCLASS_PANEL_BACKLIGHT, &back));
835 ut_assertnonnull(back);
836 ut_asserteq(-ENOENT, uclass_find_device_by_phandle(UCLASS_REGULATOR,
837 back, "missing", &dev));
838 ut_assertok(uclass_find_device_by_phandle(UCLASS_REGULATOR, back,
839 "power-supply", &dev));
840 ut_assertnonnull(dev);
841 ut_asserteq(0, device_active(dev));
842 ut_asserteq_str("ldo1", dev->name);
843 ut_assertok(uclass_get_device_by_phandle(UCLASS_REGULATOR, back,
844 "power-supply", &dev2));
845 ut_asserteq_ptr(dev, dev2);
849 DM_TEST(dm_test_fdt_phandle, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
851 /* Test device_find_first_child_by_uclass() */
852 static int dm_test_first_child(struct unit_test_state *uts)
854 struct udevice *i2c, *dev, *dev2;
856 ut_assertok(uclass_first_device_err(UCLASS_I2C, &i2c));
857 ut_assertok(device_find_first_child_by_uclass(i2c, UCLASS_RTC, &dev));
858 ut_asserteq_str("rtc@43", dev->name);
859 ut_assertok(device_find_child_by_name(i2c, "rtc@43", &dev2));
860 ut_asserteq_ptr(dev, dev2);
861 ut_assertok(device_find_child_by_name(i2c, "rtc@61", &dev2));
862 ut_asserteq_str("rtc@61", dev2->name);
864 ut_assertok(device_find_first_child_by_uclass(i2c, UCLASS_I2C_EEPROM,
866 ut_asserteq_str("eeprom@2c", dev->name);
867 ut_assertok(device_find_child_by_name(i2c, "eeprom@2c", &dev2));
868 ut_asserteq_ptr(dev, dev2);
870 ut_asserteq(-ENODEV, device_find_first_child_by_uclass(i2c,
871 UCLASS_VIDEO, &dev));
872 ut_asserteq(-ENODEV, device_find_child_by_name(i2c, "missing", &dev));
876 DM_TEST(dm_test_first_child, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
878 /* Test integer functions in dm_read_...() */
879 static int dm_test_read_int(struct unit_test_state *uts)
887 ut_assertok(uclass_first_device_err(UCLASS_TEST_FDT, &dev));
888 ut_asserteq_str("a-test", dev->name);
889 ut_assertok(dev_read_u32(dev, "int-value", &val32));
890 ut_asserteq(1234, val32);
892 ut_asserteq(-EINVAL, dev_read_u32(dev, "missing", &val32));
893 ut_asserteq(6, dev_read_u32_default(dev, "missing", 6));
895 ut_asserteq(1234, dev_read_u32_default(dev, "int-value", 6));
896 ut_asserteq(1234, val32);
898 ut_asserteq(-EINVAL, dev_read_s32(dev, "missing", &sval));
899 ut_asserteq(6, dev_read_s32_default(dev, "missing", 6));
901 ut_asserteq(-1234, dev_read_s32_default(dev, "uint-value", 6));
902 ut_assertok(dev_read_s32(dev, "uint-value", &sval));
903 ut_asserteq(-1234, sval);
906 ut_asserteq(-EINVAL, dev_read_u32u(dev, "missing", &val));
907 ut_assertok(dev_read_u32u(dev, "uint-value", &val));
908 ut_asserteq(-1234, val);
910 ut_assertok(dev_read_u64(dev, "int64-value", &val64));
911 ut_asserteq_64(0x1111222233334444, val64);
913 ut_asserteq_64(-EINVAL, dev_read_u64(dev, "missing", &val64));
914 ut_asserteq_64(6, dev_read_u64_default(dev, "missing", 6));
916 ut_asserteq_64(0x1111222233334444,
917 dev_read_u64_default(dev, "int64-value", 6));
921 DM_TEST(dm_test_read_int, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
923 static int dm_test_read_int_index(struct unit_test_state *uts)
928 ut_assertok(uclass_first_device_err(UCLASS_TEST_FDT, &dev));
929 ut_asserteq_str("a-test", dev->name);
931 ut_asserteq(-EINVAL, dev_read_u32_index(dev, "missing", 0, &val32));
932 ut_asserteq(19, dev_read_u32_index_default(dev, "missing", 0, 19));
934 ut_assertok(dev_read_u32_index(dev, "int-array", 0, &val32));
935 ut_asserteq(5678, val32);
936 ut_assertok(dev_read_u32_index(dev, "int-array", 1, &val32));
937 ut_asserteq(9123, val32);
938 ut_assertok(dev_read_u32_index(dev, "int-array", 2, &val32));
939 ut_asserteq(4567, val32);
940 ut_asserteq(-EOVERFLOW, dev_read_u32_index(dev, "int-array", 3,
943 ut_asserteq(5678, dev_read_u32_index_default(dev, "int-array", 0, 2));
944 ut_asserteq(9123, dev_read_u32_index_default(dev, "int-array", 1, 2));
945 ut_asserteq(4567, dev_read_u32_index_default(dev, "int-array", 2, 2));
946 ut_asserteq(2, dev_read_u32_index_default(dev, "int-array", 3, 2));
950 DM_TEST(dm_test_read_int_index, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
952 /* Test iteration through devices by drvdata */
953 static int dm_test_uclass_drvdata(struct unit_test_state *uts)
957 ut_assertok(uclass_first_device_drvdata(UCLASS_TEST_FDT,
958 DM_TEST_TYPE_FIRST, &dev));
959 ut_asserteq_str("a-test", dev->name);
961 ut_assertok(uclass_first_device_drvdata(UCLASS_TEST_FDT,
962 DM_TEST_TYPE_SECOND, &dev));
963 ut_asserteq_str("d-test", dev->name);
965 ut_asserteq(-ENODEV, uclass_first_device_drvdata(UCLASS_TEST_FDT,
971 DM_TEST(dm_test_uclass_drvdata, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
973 /* Test device_first_child_ofdata_err(), etc. */
974 static int dm_test_child_ofdata(struct unit_test_state *uts)
976 struct udevice *bus, *dev;
979 ut_assertok(uclass_first_device_err(UCLASS_TEST_BUS, &bus));
981 device_foreach_child_ofdata_to_platdata(dev, bus) {
982 ut_assert(dev->flags & DM_FLAG_PLATDATA_VALID);
983 ut_assert(!(dev->flags & DM_FLAG_ACTIVATED));
986 ut_asserteq(3, count);
990 DM_TEST(dm_test_child_ofdata, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
992 /* Test device_first_child_err(), etc. */
993 static int dm_test_first_child_probe(struct unit_test_state *uts)
995 struct udevice *bus, *dev;
998 ut_assertok(uclass_first_device_err(UCLASS_TEST_BUS, &bus));
1000 device_foreach_child_probe(dev, bus) {
1001 ut_assert(dev->flags & DM_FLAG_PLATDATA_VALID);
1002 ut_assert(dev->flags & DM_FLAG_ACTIVATED);
1005 ut_asserteq(3, count);
1009 DM_TEST(dm_test_first_child_probe, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
1011 /* Test that ofdata is read for parents before children */
1012 static int dm_test_ofdata_order(struct unit_test_state *uts)
1014 struct udevice *bus, *dev;
1016 ut_assertok(uclass_find_first_device(UCLASS_I2C, &bus));
1017 ut_assertnonnull(bus);
1018 ut_assert(!(bus->flags & DM_FLAG_PLATDATA_VALID));
1020 ut_assertok(device_find_first_child(bus, &dev));
1021 ut_assertnonnull(dev);
1022 ut_assert(!(dev->flags & DM_FLAG_PLATDATA_VALID));
1024 /* read the child's ofdata which should cause the parent's to be read */
1025 ut_assertok(device_ofdata_to_platdata(dev));
1026 ut_assert(dev->flags & DM_FLAG_PLATDATA_VALID);
1027 ut_assert(bus->flags & DM_FLAG_PLATDATA_VALID);
1029 ut_assert(!(dev->flags & DM_FLAG_ACTIVATED));
1030 ut_assert(!(bus->flags & DM_FLAG_ACTIVATED));
1034 DM_TEST(dm_test_ofdata_order, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);