test/dm/test-fdt.c

   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/read.h>
  16 #include <dm/root.h>
  17 #include <dm/device-internal.h>
  18 #include <dm/devres.h>
  19 #include <dm/uclass-internal.h>
  20 #include <dm/util.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
  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
  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
  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
  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
 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 */
 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
 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(8, 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
 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 "bootph-all" 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 */
 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 */
 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
 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 */
 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(),
 397  * uclass_next_device(), and uclass_probe_all()
 398  */
 399 static int dm_test_first_next_device_probeall(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 (uclass_first_device(UCLASS_TEST_PROBE, &dev), count = 0;
 408              dev;
 409              uclass_next_device(&dev)) {
 410                 count++;
 411                 parent = dev_get_parent(dev);
 412                 }
 413         ut_asserteq(4, count);
 414
 415         /* Remove them and try again, with an error on the second one */
 416         ut_assertok(uclass_get_device(UCLASS_TEST_PROBE, 1, &dev));
 417         pdata = dev_get_plat(dev);
 418         pdata->probe_err = -ENOMEM;
 419         device_remove(parent, DM_REMOVE_NORMAL);
 420         for (ret = uclass_first_device_check(UCLASS_TEST_PROBE, &dev),
 421                 count = 0;
 422              dev;
 423              ret = uclass_next_device_check(&dev)) {
 424                 if (!ret)
 425                         count++;
 426                 else
 427                         ut_asserteq(-ENOMEM, ret);
 428                 parent = dev_get_parent(dev);
 429                 }
 430         ut_asserteq(3, count);
 431
 432         /* Now an error on the first one */
 433         ut_assertok(uclass_get_device(UCLASS_TEST_PROBE, 0, &dev));
 434         pdata = dev_get_plat(dev);
 435         pdata->probe_err = -ENOENT;
 436         device_remove(parent, DM_REMOVE_NORMAL);
 437         for (uclass_first_device(UCLASS_TEST_PROBE, &dev), count = 0;
 438              dev;
 439              uclass_next_device(&dev)) {
 440                 count++;
 441                 parent = dev_get_parent(dev);
 442                 }
 443         ut_asserteq(2, count);
 444
 445         /* Now that broken devices are set up test probe_all */
 446         device_remove(parent, DM_REMOVE_NORMAL);
 447         /* There are broken devices so an error should be returned */
 448         ut_assert(uclass_probe_all(UCLASS_TEST_PROBE) < 0);
 449         /* but non-error device should be probed nonetheless */
 450         ut_assertok(uclass_get_device(UCLASS_TEST_PROBE, 2, &dev));
 451         ut_assert(dev_get_flags(dev) & DM_FLAG_ACTIVATED);
 452         ut_assertok(uclass_get_device(UCLASS_TEST_PROBE, 3, &dev));
 453         ut_assert(dev_get_flags(dev) & DM_FLAG_ACTIVATED);
 454
 455         return 0;
 456 }
 457 DM_TEST(dm_test_first_next_device_probeall,
 458         UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 459
 460 /* Test iteration through devices in a uclass */
 461 static int dm_test_uclass_foreach(struct unit_test_state *uts)
 462 {
 463         struct udevice *dev;
 464         struct uclass *uc;
 465         int count;
 466
 467         count = 0;
 468         uclass_id_foreach_dev(UCLASS_TEST_FDT, dev, uc)
 469                 count++;
 470         ut_asserteq(9, count);
 471
 472         count = 0;
 473         uclass_foreach_dev(dev, uc)
 474                 count++;
 475         ut_asserteq(9, count);
 476
 477         return 0;
 478 }
 479 DM_TEST(dm_test_uclass_foreach, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 480
 481 /**
 482  * check_devices() - Check return values and pointers
 483  *
 484  * This runs through a full sequence of uclass_first_device_check()...
 485  * uclass_next_device_check() checking that the return values and devices
 486  * are correct.
 487  *
 488  * @uts: Test state
 489  * @devlist: List of expected devices
 490  * @mask: Indicates which devices should return an error. Device n should
 491  *        return error (-NOENT - n) if bit n is set, or no error (i.e. 0) if
 492  *        bit n is clear.
 493  */
 494 static int check_devices(struct unit_test_state *uts,
 495                          struct udevice *devlist[], int mask)
 496 {
 497         int expected_ret;
 498         struct udevice *dev;
 499         int i;
 500
 501         expected_ret = (mask & 1) ? -ENOENT : 0;
 502         mask >>= 1;
 503         ut_asserteq(expected_ret,
 504                     uclass_first_device_check(UCLASS_TEST_PROBE, &dev));
 505         for (i = 0; i < 4; i++) {
 506                 ut_asserteq_ptr(devlist[i], dev);
 507                 expected_ret = (mask & 1) ? -ENOENT - (i + 1) : 0;
 508                 mask >>= 1;
 509                 ut_asserteq(expected_ret, uclass_next_device_check(&dev));
 510         }
 511         ut_asserteq_ptr(NULL, dev);
 512
 513         return 0;
 514 }
 515
 516 /* Test uclass_first_device_check() and uclass_next_device_check() */
 517 static int dm_test_first_next_ok_device(struct unit_test_state *uts)
 518 {
 519         struct dm_testprobe_pdata *pdata;
 520         struct udevice *dev, *parent = NULL, *devlist[4];
 521         int count;
 522         int ret;
 523
 524         /* There should be 4 devices */
 525         count = 0;
 526         for (ret = uclass_first_device_check(UCLASS_TEST_PROBE, &dev);
 527              dev;
 528              ret = uclass_next_device_check(&dev)) {
 529                 ut_assertok(ret);
 530                 devlist[count++] = dev;
 531                 parent = dev_get_parent(dev);
 532                 }
 533         ut_asserteq(4, count);
 534         ut_assertok(uclass_first_device_check(UCLASS_TEST_PROBE, &dev));
 535         ut_assertok(check_devices(uts, devlist, 0));
 536
 537         /* Remove them and try again, with an error on the second one */
 538         pdata = dev_get_plat(devlist[1]);
 539         pdata->probe_err = -ENOENT - 1;
 540         device_remove(parent, DM_REMOVE_NORMAL);
 541         ut_assertok(check_devices(uts, devlist, 1 << 1));
 542
 543         /* Now an error on the first one */
 544         pdata = dev_get_plat(devlist[0]);
 545         pdata->probe_err = -ENOENT - 0;
 546         device_remove(parent, DM_REMOVE_NORMAL);
 547         ut_assertok(check_devices(uts, devlist, 3 << 0));
 548
 549         /* Now errors on all */
 550         pdata = dev_get_plat(devlist[2]);
 551         pdata->probe_err = -ENOENT - 2;
 552         pdata = dev_get_plat(devlist[3]);
 553         pdata->probe_err = -ENOENT - 3;
 554         device_remove(parent, DM_REMOVE_NORMAL);
 555         ut_assertok(check_devices(uts, devlist, 0xf << 0));
 556
 557         return 0;
 558 }
 559 DM_TEST(dm_test_first_next_ok_device, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 560
 561 static const struct udevice_id fdt_dummy_ids[] = {
 562         { .compatible = "denx,u-boot-fdt-dummy", },
 563         { }
 564 };
 565
 566 UCLASS_DRIVER(fdt_dummy) = {
 567         .name           = "fdt-dummy",
 568         .id             = UCLASS_TEST_DUMMY,
 569         .flags          = DM_UC_FLAG_SEQ_ALIAS,
 570 };
 571
 572 U_BOOT_DRIVER(fdt_dummy_drv) = {
 573         .name   = "fdt_dummy_drv",
 574         .of_match       = fdt_dummy_ids,
 575         .id     = UCLASS_TEST_DUMMY,
 576 };
 577
 578 static int dm_test_fdt_translation(struct unit_test_state *uts)
 579 {
 580         struct udevice *dev;
 581         fdt32_t dma_addr[2];
 582
 583         /* Some simple translations */
 584         ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, &dev));
 585         ut_asserteq_str("dev@0,0", dev->name);
 586         ut_asserteq(0x8000, dev_read_addr(dev));
 587
 588         ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 1, &dev));
 589         ut_asserteq_str("dev@1,100", dev->name);
 590         ut_asserteq(0x9000, dev_read_addr(dev));
 591
 592         ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 2, &dev));
 593         ut_asserteq_str("dev@2,200", dev->name);
 594         ut_asserteq(0xA000, dev_read_addr(dev));
 595
 596         /* No translation for buses with #size-cells == 0 */
 597         ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 3, &dev));
 598         ut_asserteq_str("dev@42", dev->name);
 599         ut_asserteq(0x42, dev_read_addr(dev));
 600
 601         /* dma address translation */
 602         ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, &dev));
 603         dma_addr[0] = cpu_to_be32(0);
 604         dma_addr[1] = cpu_to_be32(0);
 605         ut_asserteq(0x10000000, dev_translate_dma_address(dev, dma_addr));
 606
 607         ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 1, &dev));
 608         dma_addr[0] = cpu_to_be32(1);
 609         dma_addr[1] = cpu_to_be32(0x100);
 610         ut_asserteq(0x20000000, dev_translate_dma_address(dev, dma_addr));
 611
 612         return 0;
 613 }
 614 DM_TEST(dm_test_fdt_translation, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 615
 616 static int dm_test_fdt_get_addr_ptr_flat(struct unit_test_state *uts)
 617 {
 618         struct udevice *gpio, *dev;
 619         void *ptr;
 620         void *paddr;
 621
 622         /* Test for missing reg property */
 623         ut_assertok(uclass_first_device_err(UCLASS_GPIO, &gpio));
 624         ut_assertnull(devfdt_get_addr_ptr(gpio));
 625
 626         ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, &dev));
 627         ptr = devfdt_get_addr_ptr(dev);
 628
 629         paddr = map_sysmem(0x8000, 0);
 630         ut_asserteq_ptr(paddr, ptr);
 631
 632         return 0;
 633 }
 634 DM_TEST(dm_test_fdt_get_addr_ptr_flat,
 635         UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT | UT_TESTF_FLAT_TREE);
 636
 637 static int dm_test_fdt_remap_addr_flat(struct unit_test_state *uts)
 638 {
 639         struct udevice *dev;
 640         fdt_addr_t addr;
 641         void *paddr;
 642
 643         ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, &dev));
 644
 645         addr = devfdt_get_addr(dev);
 646         ut_asserteq(0x8000, addr);
 647
 648         paddr = map_physmem(addr, 0, MAP_NOCACHE);
 649         ut_assertnonnull(paddr);
 650         ut_asserteq_ptr(paddr, devfdt_remap_addr(dev));
 651
 652         return 0;
 653 }
 654 DM_TEST(dm_test_fdt_remap_addr_flat,
 655         UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT | UT_TESTF_FLAT_TREE);
 656
 657 static int dm_test_fdt_remap_addr_index_flat(struct unit_test_state *uts)
 658 {
 659         struct udevice *dev;
 660         fdt_addr_t addr;
 661         fdt_size_t size;
 662         void *paddr;
 663
 664         ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, &dev));
 665
 666         addr = devfdt_get_addr_size_index(dev, 0, &size);
 667         ut_asserteq(0x8000, addr);
 668         ut_asserteq(0x1000, size);
 669
 670         paddr = map_physmem(addr, 0, MAP_NOCACHE);
 671         ut_assertnonnull(paddr);
 672         ut_asserteq_ptr(paddr, devfdt_remap_addr_index(dev, 0));
 673
 674         return 0;
 675 }
 676 DM_TEST(dm_test_fdt_remap_addr_index_flat,
 677         UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT | UT_TESTF_FLAT_TREE);
 678
 679 static int dm_test_fdt_remap_addr_name_flat(struct unit_test_state *uts)
 680 {
 681         struct udevice *dev;
 682         fdt_addr_t addr;
 683         fdt_size_t size;
 684         void *paddr;
 685
 686         ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, &dev));
 687
 688         addr = devfdt_get_addr_size_name(dev, "sandbox-dummy-0", &size);
 689         ut_asserteq(0x8000, addr);
 690         ut_asserteq(0x1000, size);
 691
 692         paddr = map_physmem(addr, 0, MAP_NOCACHE);
 693         ut_assertnonnull(paddr);
 694         ut_asserteq_ptr(paddr, devfdt_remap_addr_name(dev, "sandbox-dummy-0"));
 695
 696         return 0;
 697 }
 698 DM_TEST(dm_test_fdt_remap_addr_name_flat,
 699         UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT | UT_TESTF_FLAT_TREE);
 700
 701 static int dm_test_fdt_remap_addr_live(struct unit_test_state *uts)
 702 {
 703         struct udevice *dev;
 704         fdt_addr_t addr;
 705         void *paddr;
 706
 707         ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, &dev));
 708
 709         addr = dev_read_addr(dev);
 710         ut_asserteq(0x8000, addr);
 711
 712         paddr = map_physmem(addr, 0, MAP_NOCACHE);
 713         ut_assertnonnull(paddr);
 714         ut_asserteq_ptr(paddr, dev_remap_addr(dev));
 715
 716         return 0;
 717 }
 718 DM_TEST(dm_test_fdt_remap_addr_live,
 719         UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 720
 721 static int dm_test_fdt_remap_addr_index_live(struct unit_test_state *uts)
 722 {
 723         struct udevice *dev;
 724         fdt_addr_t addr;
 725         fdt_size_t size;
 726         void *paddr;
 727
 728         ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, &dev));
 729
 730         addr = dev_read_addr_size_index(dev, 0, &size);
 731         ut_asserteq(0x8000, addr);
 732         ut_asserteq(0x1000, size);
 733
 734         paddr = map_physmem(addr, 0, MAP_NOCACHE);
 735         ut_assertnonnull(paddr);
 736         ut_asserteq_ptr(paddr, dev_remap_addr_index(dev, 0));
 737
 738         return 0;
 739 }
 740 DM_TEST(dm_test_fdt_remap_addr_index_live,
 741         UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 742
 743 static int dm_test_fdt_remap_addr_name_live(struct unit_test_state *uts)
 744 {
 745         struct udevice *dev;
 746         fdt_addr_t addr;
 747         fdt_size_t size;
 748         void *paddr;
 749
 750         ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, &dev));
 751
 752         addr = dev_read_addr_size_name(dev, "sandbox-dummy-0", &size);
 753         ut_asserteq(0x8000, addr);
 754         ut_asserteq(0x1000, size);
 755
 756         paddr = map_physmem(addr, 0, MAP_NOCACHE);
 757         ut_assertnonnull(paddr);
 758         ut_asserteq_ptr(paddr, dev_remap_addr_name(dev, "sandbox-dummy-0"));
 759
 760         return 0;
 761 }
 762 DM_TEST(dm_test_fdt_remap_addr_name_live,
 763         UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 764
 765 static int dm_test_fdt_disable_enable_by_path(struct unit_test_state *uts)
 766 {
 767         ofnode node;
 768
 769         if (!of_live_active()) {
 770                 printf("Live tree not active; ignore test\n");
 771                 return 0;
 772         }
 773
 774         node = ofnode_path("/usb@2");
 775
 776         /* Test enabling devices */
 777
 778         ut_assert(!of_device_is_available(ofnode_to_np(node)));
 779         dev_enable_by_path("/usb@2");
 780         ut_assert(of_device_is_available(ofnode_to_np(node)));
 781
 782         /* Test disabling devices */
 783
 784         ut_assert(of_device_is_available(ofnode_to_np(node)));
 785         dev_disable_by_path("/usb@2");
 786         ut_assert(!of_device_is_available(ofnode_to_np(node)));
 787
 788         return 0;
 789 }
 790 DM_TEST(dm_test_fdt_disable_enable_by_path, UT_TESTF_SCAN_PDATA |
 791                                             UT_TESTF_SCAN_FDT);
 792
 793 /* Test a few uclass phandle functions */
 794 static int dm_test_fdt_phandle(struct unit_test_state *uts)
 795 {
 796         struct udevice *back, *dev, *dev2;
 797
 798         ut_assertok(uclass_find_first_device(UCLASS_PANEL_BACKLIGHT, &back));
 799         ut_assertnonnull(back);
 800         ut_asserteq(-ENOENT, uclass_find_device_by_phandle(UCLASS_REGULATOR,
 801                                                         back, "missing", &dev));
 802         ut_assertok(uclass_find_device_by_phandle(UCLASS_REGULATOR, back,
 803                                                   "power-supply", &dev));
 804         ut_assertnonnull(dev);
 805         ut_asserteq(0, device_active(dev));
 806         ut_asserteq_str("ldo1", dev->name);
 807         ut_assertok(uclass_get_device_by_phandle(UCLASS_REGULATOR, back,
 808                                                  "power-supply", &dev2));
 809         ut_asserteq_ptr(dev, dev2);
 810
 811         return 0;
 812 }
 813 DM_TEST(dm_test_fdt_phandle, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 814
 815 /* Test device_find_first_child_by_uclass() */
 816 static int dm_test_first_child(struct unit_test_state *uts)
 817 {
 818         struct udevice *i2c, *dev, *dev2;
 819
 820         ut_assertok(uclass_first_device_err(UCLASS_I2C, &i2c));
 821         ut_assertok(device_find_first_child_by_uclass(i2c, UCLASS_RTC, &dev));
 822         ut_asserteq_str("rtc@43", dev->name);
 823         ut_assertok(device_find_child_by_name(i2c, "rtc@43", &dev2));
 824         ut_asserteq_ptr(dev, dev2);
 825         ut_assertok(device_find_child_by_name(i2c, "rtc@61", &dev2));
 826         ut_asserteq_str("rtc@61", dev2->name);
 827
 828         ut_assertok(device_find_first_child_by_uclass(i2c, UCLASS_I2C_EEPROM,
 829                                                       &dev));
 830         ut_asserteq_str("eeprom@2c", dev->name);
 831         ut_assertok(device_find_child_by_name(i2c, "eeprom@2c", &dev2));
 832         ut_asserteq_ptr(dev, dev2);
 833
 834         ut_asserteq(-ENODEV, device_find_first_child_by_uclass(i2c,
 835                                                         UCLASS_VIDEO, &dev));
 836         ut_asserteq(-ENODEV, device_find_child_by_name(i2c, "missing", &dev));
 837
 838         return 0;
 839 }
 840 DM_TEST(dm_test_first_child, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 841
 842 /* Test integer functions in dm_read_...() */
 843 static int dm_test_read_int(struct unit_test_state *uts)
 844 {
 845         struct udevice *dev;
 846         u8 val8;
 847         u16 val16;
 848         u32 val32;
 849         s32 sval;
 850         uint val;
 851         u64 val64;
 852
 853         ut_assertok(uclass_first_device_err(UCLASS_TEST_FDT, &dev));
 854         ut_asserteq_str("a-test", dev->name);
 855
 856         ut_assertok(dev_read_u8(dev, "int8-value", &val8));
 857         ut_asserteq(0x12, val8);
 858
 859         ut_asserteq(-EINVAL, dev_read_u8(dev, "missing", &val8));
 860         ut_asserteq(6, dev_read_u8_default(dev, "missing", 6));
 861
 862         ut_asserteq(0x12, dev_read_u8_default(dev, "int8-value", 6));
 863
 864         ut_assertok(dev_read_u16(dev, "int16-value", &val16));
 865         ut_asserteq(0x1234, val16);
 866
 867         ut_asserteq(-EINVAL, dev_read_u16(dev, "missing", &val16));
 868         ut_asserteq(6, dev_read_u16_default(dev, "missing", 6));
 869
 870         ut_asserteq(0x1234, dev_read_u16_default(dev, "int16-value", 6));
 871
 872         ut_assertok(dev_read_u32(dev, "int-value", &val32));
 873         ut_asserteq(1234, val32);
 874
 875         ut_asserteq(-EINVAL, dev_read_u32(dev, "missing", &val32));
 876         ut_asserteq(6, dev_read_u32_default(dev, "missing", 6));
 877
 878         ut_asserteq(1234, dev_read_u32_default(dev, "int-value", 6));
 879         ut_asserteq(1234, val32);
 880
 881         ut_asserteq(-EINVAL, dev_read_s32(dev, "missing", &sval));
 882         ut_asserteq(6, dev_read_s32_default(dev, "missing", 6));
 883
 884         ut_asserteq(-1234, dev_read_s32_default(dev, "uint-value", 6));
 885         ut_assertok(dev_read_s32(dev, "uint-value", &sval));
 886         ut_asserteq(-1234, sval);
 887
 888         val = 0;
 889         ut_asserteq(-EINVAL, dev_read_u32u(dev, "missing", &val));
 890         ut_assertok(dev_read_u32u(dev, "uint-value", &val));
 891         ut_asserteq(-1234, val);
 892
 893         ut_assertok(dev_read_u64(dev, "int64-value", &val64));
 894         ut_asserteq_64(0x1111222233334444, val64);
 895
 896         ut_asserteq_64(-EINVAL, dev_read_u64(dev, "missing", &val64));
 897         ut_asserteq_64(6, dev_read_u64_default(dev, "missing", 6));
 898
 899         ut_asserteq_64(0x1111222233334444,
 900                        dev_read_u64_default(dev, "int64-value", 6));
 901
 902         return 0;
 903 }
 904 DM_TEST(dm_test_read_int, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 905
 906 static int dm_test_read_int_index(struct unit_test_state *uts)
 907 {
 908         struct udevice *dev;
 909         u32 val32;
 910
 911         ut_assertok(uclass_first_device_err(UCLASS_TEST_FDT, &dev));
 912         ut_asserteq_str("a-test", dev->name);
 913
 914         ut_asserteq(-EINVAL, dev_read_u32_index(dev, "missing", 0, &val32));
 915         ut_asserteq(19, dev_read_u32_index_default(dev, "missing", 0, 19));
 916
 917         ut_assertok(dev_read_u32_index(dev, "int-array", 0, &val32));
 918         ut_asserteq(5678, val32);
 919         ut_assertok(dev_read_u32_index(dev, "int-array", 1, &val32));
 920         ut_asserteq(9123, val32);
 921         ut_assertok(dev_read_u32_index(dev, "int-array", 2, &val32));
 922         ut_asserteq(4567, val32);
 923         ut_asserteq(-EOVERFLOW, dev_read_u32_index(dev, "int-array", 3,
 924                                                    &val32));
 925
 926         ut_asserteq(5678, dev_read_u32_index_default(dev, "int-array", 0, 2));
 927         ut_asserteq(9123, dev_read_u32_index_default(dev, "int-array", 1, 2));
 928         ut_asserteq(4567, dev_read_u32_index_default(dev, "int-array", 2, 2));
 929         ut_asserteq(2, dev_read_u32_index_default(dev, "int-array", 3, 2));
 930
 931         return 0;
 932 }
 933 DM_TEST(dm_test_read_int_index, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 934
 935 static int dm_test_read_phandle(struct unit_test_state *uts)
 936 {
 937         struct udevice *dev;
 938         struct ofnode_phandle_args args;
 939         int ret;
 940         const char prop[] = "test-gpios";
 941         const char cell[] = "#gpio-cells";
 942         const char prop2[] = "phandle-value";
 943
 944         ut_assertok(uclass_first_device_err(UCLASS_TEST_FDT, &dev));
 945         ut_asserteq_str("a-test", dev->name);
 946
 947         /* Test dev_count_phandle_with_args with cell name */
 948         ret = dev_count_phandle_with_args(dev, "missing", cell, 0);
 949         ut_asserteq(-ENOENT, ret);
 950         ret = dev_count_phandle_with_args(dev, prop, "#invalid", 0);
 951         ut_asserteq(-EINVAL, ret);
 952         ut_asserteq(5, dev_count_phandle_with_args(dev, prop, cell, 0));
 953
 954         /* Test dev_read_phandle_with_args with cell name */
 955         ret = dev_read_phandle_with_args(dev, "missing", cell, 0, 0, &args);
 956         ut_asserteq(-ENOENT, ret);
 957         ret = dev_read_phandle_with_args(dev, prop, "#invalid", 0, 0, &args);
 958         ut_asserteq(-EINVAL, ret);
 959         ut_assertok(dev_read_phandle_with_args(dev, prop, cell, 0, 0, &args));
 960         ut_asserteq(1, args.args_count);
 961         ut_asserteq(1, args.args[0]);
 962         ut_assertok(dev_read_phandle_with_args(dev, prop, cell, 0, 1, &args));
 963         ut_asserteq(1, args.args_count);
 964         ut_asserteq(4, args.args[0]);
 965         ut_assertok(dev_read_phandle_with_args(dev, prop, cell, 0, 2, &args));
 966         ut_asserteq(5, args.args_count);
 967         ut_asserteq(5, args.args[0]);
 968         ut_asserteq(1, args.args[4]);
 969         ret = dev_read_phandle_with_args(dev, prop, cell, 0, 3, &args);
 970         ut_asserteq(-ENOENT, ret);
 971         ut_assertok(dev_read_phandle_with_args(dev, prop, cell, 0, 4, &args));
 972         ut_asserteq(1, args.args_count);
 973         ut_asserteq(12, args.args[0]);
 974         ret = dev_read_phandle_with_args(dev, prop, cell, 0, 5, &args);
 975         ut_asserteq(-ENOENT, ret);
 976
 977         /* Test dev_count_phandle_with_args with cell count */
 978         ret = dev_count_phandle_with_args(dev, "missing", NULL, 2);
 979         ut_asserteq(-ENOENT, ret);
 980         ut_asserteq(3, dev_count_phandle_with_args(dev, prop2, NULL, 1));
 981
 982         /* Test dev_read_phandle_with_args with cell count */
 983         ut_assertok(dev_read_phandle_with_args(dev, prop2, NULL, 1, 0, &args));
 984         ut_asserteq(1, ofnode_valid(args.node));
 985         ut_asserteq(1, args.args_count);
 986         ut_asserteq(10, args.args[0]);
 987         ret = dev_read_phandle_with_args(dev, prop2, NULL, 1, 1, &args);
 988         ut_asserteq(-EINVAL, ret);
 989         ut_assertok(dev_read_phandle_with_args(dev, prop2, NULL, 1, 2, &args));
 990         ut_asserteq(1, ofnode_valid(args.node));
 991         ut_asserteq(1, args.args_count);
 992         ut_asserteq(30, args.args[0]);
 993         ret = dev_read_phandle_with_args(dev, prop2, NULL, 1, 3, &args);
 994         ut_asserteq(-ENOENT, ret);
 995
 996         return 0;
 997 }
 998 DM_TEST(dm_test_read_phandle, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 999
1000 /* Test iteration through devices by drvdata */
1001 static int dm_test_uclass_drvdata(struct unit_test_state *uts)
1002 {
1003         struct udevice *dev;
1004
1005         ut_assertok(uclass_first_device_drvdata(UCLASS_TEST_FDT,
1006                                                 DM_TEST_TYPE_FIRST, &dev));
1007         ut_asserteq_str("a-test", dev->name);
1008
1009         ut_assertok(uclass_first_device_drvdata(UCLASS_TEST_FDT,
1010                                                 DM_TEST_TYPE_SECOND, &dev));
1011         ut_asserteq_str("d-test", dev->name);
1012
1013         ut_asserteq(-ENODEV, uclass_first_device_drvdata(UCLASS_TEST_FDT,
1014                                                          DM_TEST_TYPE_COUNT,
1015                                                          &dev));
1016
1017         return 0;
1018 }
1019 DM_TEST(dm_test_uclass_drvdata, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
1020
1021 /* Test device_first_child_ofdata_err(), etc. */
1022 static int dm_test_child_ofdata(struct unit_test_state *uts)
1023 {
1024         struct udevice *bus, *dev;
1025         int count;
1026
1027         ut_assertok(uclass_first_device_err(UCLASS_TEST_BUS, &bus));
1028         count = 0;
1029         device_foreach_child_of_to_plat(dev, bus) {
1030                 ut_assert(dev_get_flags(dev) & DM_FLAG_PLATDATA_VALID);
1031                 ut_assert(!(dev_get_flags(dev) & DM_FLAG_ACTIVATED));
1032                 count++;
1033         }
1034         ut_asserteq(3, count);
1035
1036         return 0;
1037 }
1038 DM_TEST(dm_test_child_ofdata, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
1039
1040 /* Test device_first_child_err(), etc. */
1041 static int dm_test_first_child_probe(struct unit_test_state *uts)
1042 {
1043         struct udevice *bus, *dev;
1044         int count;
1045
1046         ut_assertok(uclass_first_device_err(UCLASS_TEST_BUS, &bus));
1047         count = 0;
1048         device_foreach_child_probe(dev, bus) {
1049                 ut_assert(dev_get_flags(dev) & DM_FLAG_PLATDATA_VALID);
1050                 ut_assert(dev_get_flags(dev) & DM_FLAG_ACTIVATED);
1051                 count++;
1052         }
1053         ut_asserteq(3, count);
1054
1055         return 0;
1056 }
1057 DM_TEST(dm_test_first_child_probe, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
1058
1059 /* Test that ofdata is read for parents before children */
1060 static int dm_test_ofdata_order(struct unit_test_state *uts)
1061 {
1062         struct udevice *bus, *dev;
1063
1064         ut_assertok(uclass_find_first_device(UCLASS_I2C, &bus));
1065         ut_assertnonnull(bus);
1066         ut_assert(!(dev_get_flags(bus) & DM_FLAG_PLATDATA_VALID));
1067
1068         ut_assertok(device_find_first_child(bus, &dev));
1069         ut_assertnonnull(dev);
1070         ut_assert(!(dev_get_flags(dev) & DM_FLAG_PLATDATA_VALID));
1071
1072         /* read the child's ofdata which should cause the parent's to be read */
1073         ut_assertok(device_of_to_plat(dev));
1074         ut_assert(dev_get_flags(dev) & DM_FLAG_PLATDATA_VALID);
1075         ut_assert(dev_get_flags(bus) & DM_FLAG_PLATDATA_VALID);
1076
1077         ut_assert(!(dev_get_flags(dev) & DM_FLAG_ACTIVATED));
1078         ut_assert(!(dev_get_flags(bus) & DM_FLAG_ACTIVATED));
1079
1080         return 0;
1081 }
1082 DM_TEST(dm_test_ofdata_order, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
1083
1084 /* Test dev_decode_display_timing() */
1085 static int dm_test_decode_display_timing(struct unit_test_state *uts)
1086 {
1087         struct udevice *dev;
1088         struct display_timing timing;
1089
1090         ut_assertok(uclass_first_device_err(UCLASS_TEST_FDT, &dev));
1091         ut_asserteq_str("a-test", dev->name);
1092
1093         ut_assertok(dev_decode_display_timing(dev, 0, &timing));
1094         ut_assert(timing.hactive.typ == 240);
1095         ut_assert(timing.hback_porch.typ == 7);
1096         ut_assert(timing.hfront_porch.typ == 6);
1097         ut_assert(timing.hsync_len.typ == 1);
1098         ut_assert(timing.vactive.typ == 320);
1099         ut_assert(timing.vback_porch.typ == 5);
1100         ut_assert(timing.vfront_porch.typ == 8);
1101         ut_assert(timing.vsync_len.typ == 2);
1102         ut_assert(timing.pixelclock.typ == 6500000);
1103         ut_assert(timing.flags & DISPLAY_FLAGS_HSYNC_HIGH);
1104         ut_assert(!(timing.flags & DISPLAY_FLAGS_HSYNC_LOW));
1105         ut_assert(!(timing.flags & DISPLAY_FLAGS_VSYNC_HIGH));
1106         ut_assert(timing.flags & DISPLAY_FLAGS_VSYNC_LOW);
1107         ut_assert(timing.flags & DISPLAY_FLAGS_DE_HIGH);
1108         ut_assert(!(timing.flags & DISPLAY_FLAGS_DE_LOW));
1109         ut_assert(timing.flags & DISPLAY_FLAGS_PIXDATA_POSEDGE);
1110         ut_assert(!(timing.flags & DISPLAY_FLAGS_PIXDATA_NEGEDGE));
1111         ut_assert(timing.flags & DISPLAY_FLAGS_INTERLACED);
1112         ut_assert(timing.flags & DISPLAY_FLAGS_DOUBLESCAN);
1113         ut_assert(timing.flags & DISPLAY_FLAGS_DOUBLECLK);
1114
1115         ut_assertok(dev_decode_display_timing(dev, 1, &timing));
1116         ut_assert(timing.hactive.typ == 480);
1117         ut_assert(timing.hback_porch.typ == 59);
1118         ut_assert(timing.hfront_porch.typ == 10);
1119         ut_assert(timing.hsync_len.typ == 12);
1120         ut_assert(timing.vactive.typ == 800);
1121         ut_assert(timing.vback_porch.typ == 15);
1122         ut_assert(timing.vfront_porch.typ == 17);
1123         ut_assert(timing.vsync_len.typ == 16);
1124         ut_assert(timing.pixelclock.typ == 9000000);
1125         ut_assert(!(timing.flags & DISPLAY_FLAGS_HSYNC_HIGH));
1126         ut_assert(timing.flags & DISPLAY_FLAGS_HSYNC_LOW);
1127         ut_assert(timing.flags & DISPLAY_FLAGS_VSYNC_HIGH);
1128         ut_assert(!(timing.flags & DISPLAY_FLAGS_VSYNC_LOW));
1129         ut_assert(!(timing.flags & DISPLAY_FLAGS_DE_HIGH));
1130         ut_assert(timing.flags & DISPLAY_FLAGS_DE_LOW);
1131         ut_assert(!(timing.flags & DISPLAY_FLAGS_PIXDATA_POSEDGE));
1132         ut_assert(timing.flags & DISPLAY_FLAGS_PIXDATA_NEGEDGE);
1133         ut_assert(!(timing.flags & DISPLAY_FLAGS_INTERLACED));
1134         ut_assert(!(timing.flags & DISPLAY_FLAGS_DOUBLESCAN));
1135         ut_assert(!(timing.flags & DISPLAY_FLAGS_DOUBLECLK));
1136
1137         ut_assertok(dev_decode_display_timing(dev, 2, &timing));
1138         ut_assert(timing.hactive.typ == 800);
1139         ut_assert(timing.hback_porch.typ == 89);
1140         ut_assert(timing.hfront_porch.typ == 164);
1141         ut_assert(timing.hsync_len.typ == 11);
1142         ut_assert(timing.vactive.typ == 480);
1143         ut_assert(timing.vback_porch.typ == 23);
1144         ut_assert(timing.vfront_porch.typ == 10);
1145         ut_assert(timing.vsync_len.typ == 13);
1146         ut_assert(timing.pixelclock.typ == 33500000);
1147         ut_assert(!(timing.flags & DISPLAY_FLAGS_HSYNC_HIGH));
1148         ut_assert(!(timing.flags & DISPLAY_FLAGS_HSYNC_LOW));
1149         ut_assert(!(timing.flags & DISPLAY_FLAGS_VSYNC_HIGH));
1150         ut_assert(!(timing.flags & DISPLAY_FLAGS_VSYNC_LOW));
1151         ut_assert(!(timing.flags & DISPLAY_FLAGS_DE_HIGH));
1152         ut_assert(!(timing.flags & DISPLAY_FLAGS_DE_LOW));
1153         ut_assert(!(timing.flags & DISPLAY_FLAGS_PIXDATA_POSEDGE));
1154         ut_assert(!(timing.flags & DISPLAY_FLAGS_PIXDATA_NEGEDGE));
1155         ut_assert(!(timing.flags & DISPLAY_FLAGS_INTERLACED));
1156         ut_assert(!(timing.flags & DISPLAY_FLAGS_DOUBLESCAN));
1157         ut_assert(!(timing.flags & DISPLAY_FLAGS_DOUBLECLK));
1158
1159         ut_assert(dev_decode_display_timing(dev, 3, &timing));
1160         return 0;
1161 }
1162 DM_TEST(dm_test_decode_display_timing, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
1163
1164 /* Test dev_decode_panel_timing() */
1165 static int dm_test_decode_panel_timing(struct unit_test_state *uts)
1166 {
1167         struct udevice *dev;
1168         struct display_timing timing;
1169
1170         ut_assertok(uclass_first_device_err(UCLASS_TEST_FDT, &dev));
1171         ut_asserteq_str("a-test", dev->name);
1172
1173         ut_assertok(dev_decode_panel_timing(dev, &timing));
1174         ut_assert(timing.hactive.typ == 240);
1175         ut_assert(timing.hback_porch.typ == 7);
1176         ut_assert(timing.hfront_porch.typ == 6);
1177         ut_assert(timing.hsync_len.typ == 1);
1178         ut_assert(timing.vactive.typ == 320);
1179         ut_assert(timing.vback_porch.typ == 5);
1180         ut_assert(timing.vfront_porch.typ == 8);
1181         ut_assert(timing.vsync_len.typ == 2);
1182         ut_assert(timing.pixelclock.typ == 6500000);
1183         ut_assert(timing.flags & DISPLAY_FLAGS_HSYNC_HIGH);
1184         ut_assert(!(timing.flags & DISPLAY_FLAGS_HSYNC_LOW));
1185         ut_assert(!(timing.flags & DISPLAY_FLAGS_VSYNC_HIGH));
1186         ut_assert(timing.flags & DISPLAY_FLAGS_VSYNC_LOW);
1187         ut_assert(timing.flags & DISPLAY_FLAGS_DE_HIGH);
1188         ut_assert(!(timing.flags & DISPLAY_FLAGS_DE_LOW));
1189         ut_assert(timing.flags & DISPLAY_FLAGS_PIXDATA_POSEDGE);
1190         ut_assert(!(timing.flags & DISPLAY_FLAGS_PIXDATA_NEGEDGE));
1191         ut_assert(timing.flags & DISPLAY_FLAGS_INTERLACED);
1192         ut_assert(timing.flags & DISPLAY_FLAGS_DOUBLESCAN);
1193         ut_assert(timing.flags & DISPLAY_FLAGS_DOUBLECLK);
1194
1195         return 0;
1196 }
1197 DM_TEST(dm_test_decode_panel_timing, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
1198
1199 /* Test read_resourcee() */
1200 static int dm_test_read_resource(struct unit_test_state *uts)
1201 {
1202         struct udevice *dev;
1203         struct resource res;
1204
1205         /* test resource without translation */
1206         ut_assertok(uclass_find_device_by_name(UCLASS_SIMPLE_BUS, "syscon@2", &dev));
1207         ut_assertok(dev_read_resource(dev, 0, &res));
1208         ut_asserteq(0x40, res.start);
1209         ut_asserteq(0x44, res.end);
1210         ut_assertok(dev_read_resource(dev, 1, &res));
1211         ut_asserteq(0x48, res.start);
1212         ut_asserteq(0x4d, res.end);
1213
1214         /* test resource with translation */
1215         ut_assertok(uclass_find_device_by_name(UCLASS_TEST_DUMMY, "dev@1,100", &dev));
1216         ut_assertok(dev_read_resource(dev, 0, &res));
1217         ut_asserteq(0x9000, res.start);
1218         ut_asserteq(0x9fff, res.end);
1219
1220         /* test named resource */
1221         ut_assertok(uclass_find_device_by_name(UCLASS_TEST_DUMMY, "dev@0,0", &dev));
1222         ut_assertok(dev_read_resource_byname(dev, "sandbox-dummy-0", &res));
1223         ut_asserteq(0x8000, res.start);
1224         ut_asserteq(0x8fff, res.end);
1225
1226         return 0;
1227 }
1228
1229 DM_TEST(dm_test_read_resource, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);