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/root.h>
  16 #include <dm/device-internal.h>
  17 #include <dm/devres.h>
  18 #include <dm/uclass-internal.h>
  19 #include <dm/util.h>
  20 #include <dm/lists.h>
  21 #include <dm/of_access.h>
  22 #include <linux/ioport.h>
  23 #include <test/test.h>
  24 #include <test/ut.h>
  25
  26 DECLARE_GLOBAL_DATA_PTR;
  27
  28 struct dm_testprobe_pdata {
  29         int probe_err;
  30 };
  31
  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(5, ret);
 188
 189         ret = dev_read_alias_highest_id("gpio");
 190         ut_asserteq(3, ret);
 191
 192         ret = dev_read_alias_highest_id("pci");
 193         ut_asserteq(2, ret);
 194
 195         ret = dev_read_alias_highest_id("i2c");
 196         ut_asserteq(0, ret);
 197
 198         ret = dev_read_alias_highest_id("deadbeef");
 199         ut_asserteq(-1, ret);
 200
 201         return 0;
 202 }
 203 DM_TEST(dm_test_alias_highest_id, 0);
 204
 205 static int dm_test_fdt_pre_reloc(struct unit_test_state *uts)
 206 {
 207         struct uclass *uc;
 208         int ret;
 209
 210         ret = dm_scan_fdt(true);
 211         ut_assert(!ret);
 212
 213         ret = uclass_get(UCLASS_TEST_FDT, &uc);
 214         ut_assert(!ret);
 215
 216         /*
 217          * These are 2 pre-reloc devices:
 218          * one with "u-boot,dm-pre-reloc" property (a-test node), and the other
 219          * one whose driver marked with DM_FLAG_PRE_RELOC flag (h-test node).
 220          */
 221         ut_asserteq(2, list_count_items(&uc->dev_head));
 222
 223         return 0;
 224 }
 225 DM_TEST(dm_test_fdt_pre_reloc, 0);
 226
 227 /* Test that sequence numbers are allocated properly */
 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() and
 397  * uclass_next_device()
 398  */
 399 static int dm_test_first_next_device(struct unit_test_state *uts)
 400 {
 401         struct dm_testprobe_pdata *pdata;
 402         struct udevice *dev, *parent = NULL;
 403         int count;
 404         int ret;
 405
 406         /* There should be 4 devices */
 407         for (ret = uclass_first_device(UCLASS_TEST_PROBE, &dev), count = 0;
 408              dev;
 409              ret = uclass_next_device(&dev)) {
 410                 count++;
 411                 parent = dev_get_parent(dev);
 412                 }
 413         ut_assertok(ret);
 414         ut_asserteq(4, count);
 415
 416         /* Remove them and try again, with an error on the second one */
 417         ut_assertok(uclass_get_device(UCLASS_TEST_PROBE, 1, &dev));
 418         pdata = dev_get_plat(dev);
 419         pdata->probe_err = -ENOMEM;
 420         device_remove(parent, DM_REMOVE_NORMAL);
 421         ut_assertok(uclass_first_device(UCLASS_TEST_PROBE, &dev));
 422         ut_asserteq(-ENOMEM, uclass_next_device(&dev));
 423         ut_asserteq_ptr(dev, NULL);
 424
 425         /* Now an error on the first one */
 426         ut_assertok(uclass_get_device(UCLASS_TEST_PROBE, 0, &dev));
 427         pdata = dev_get_plat(dev);
 428         pdata->probe_err = -ENOENT;
 429         device_remove(parent, DM_REMOVE_NORMAL);
 430         ut_asserteq(-ENOENT, uclass_first_device(UCLASS_TEST_PROBE, &dev));
 431
 432         return 0;
 433 }
 434 DM_TEST(dm_test_first_next_device, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 435
 436 /* Test iteration through devices in a uclass */
 437 static int dm_test_uclass_foreach(struct unit_test_state *uts)
 438 {
 439         struct udevice *dev;
 440         struct uclass *uc;
 441         int count;
 442
 443         count = 0;
 444         uclass_id_foreach_dev(UCLASS_TEST_FDT, dev, uc)
 445                 count++;
 446         ut_asserteq(9, count);
 447
 448         count = 0;
 449         uclass_foreach_dev(dev, uc)
 450                 count++;
 451         ut_asserteq(9, count);
 452
 453         return 0;
 454 }
 455 DM_TEST(dm_test_uclass_foreach, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 456
 457 /**
 458  * check_devices() - Check return values and pointers
 459  *
 460  * This runs through a full sequence of uclass_first_device_check()...
 461  * uclass_next_device_check() checking that the return values and devices
 462  * are correct.
 463  *
 464  * @uts: Test state
 465  * @devlist: List of expected devices
 466  * @mask: Indicates which devices should return an error. Device n should
 467  *        return error (-NOENT - n) if bit n is set, or no error (i.e. 0) if
 468  *        bit n is clear.
 469  */
 470 static int check_devices(struct unit_test_state *uts,
 471                          struct udevice *devlist[], int mask)
 472 {
 473         int expected_ret;
 474         struct udevice *dev;
 475         int i;
 476
 477         expected_ret = (mask & 1) ? -ENOENT : 0;
 478         mask >>= 1;
 479         ut_asserteq(expected_ret,
 480                     uclass_first_device_check(UCLASS_TEST_PROBE, &dev));
 481         for (i = 0; i < 4; i++) {
 482                 ut_asserteq_ptr(devlist[i], dev);
 483                 expected_ret = (mask & 1) ? -ENOENT - (i + 1) : 0;
 484                 mask >>= 1;
 485                 ut_asserteq(expected_ret, uclass_next_device_check(&dev));
 486         }
 487         ut_asserteq_ptr(NULL, dev);
 488
 489         return 0;
 490 }
 491
 492 /* Test uclass_first_device_check() and uclass_next_device_check() */
 493 static int dm_test_first_next_ok_device(struct unit_test_state *uts)
 494 {
 495         struct dm_testprobe_pdata *pdata;
 496         struct udevice *dev, *parent = NULL, *devlist[4];
 497         int count;
 498         int ret;
 499
 500         /* There should be 4 devices */
 501         count = 0;
 502         for (ret = uclass_first_device_check(UCLASS_TEST_PROBE, &dev);
 503              dev;
 504              ret = uclass_next_device_check(&dev)) {
 505                 ut_assertok(ret);
 506                 devlist[count++] = dev;
 507                 parent = dev_get_parent(dev);
 508                 }
 509         ut_asserteq(4, count);
 510         ut_assertok(uclass_first_device_check(UCLASS_TEST_PROBE, &dev));
 511         ut_assertok(check_devices(uts, devlist, 0));
 512
 513         /* Remove them and try again, with an error on the second one */
 514         pdata = dev_get_plat(devlist[1]);
 515         pdata->probe_err = -ENOENT - 1;
 516         device_remove(parent, DM_REMOVE_NORMAL);
 517         ut_assertok(check_devices(uts, devlist, 1 << 1));
 518
 519         /* Now an error on the first one */
 520         pdata = dev_get_plat(devlist[0]);
 521         pdata->probe_err = -ENOENT - 0;
 522         device_remove(parent, DM_REMOVE_NORMAL);
 523         ut_assertok(check_devices(uts, devlist, 3 << 0));
 524
 525         /* Now errors on all */
 526         pdata = dev_get_plat(devlist[2]);
 527         pdata->probe_err = -ENOENT - 2;
 528         pdata = dev_get_plat(devlist[3]);
 529         pdata->probe_err = -ENOENT - 3;
 530         device_remove(parent, DM_REMOVE_NORMAL);
 531         ut_assertok(check_devices(uts, devlist, 0xf << 0));
 532
 533         return 0;
 534 }
 535 DM_TEST(dm_test_first_next_ok_device, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 536
 537 static const struct udevice_id fdt_dummy_ids[] = {
 538         { .compatible = "denx,u-boot-fdt-dummy", },
 539         { }
 540 };
 541
 542 UCLASS_DRIVER(fdt_dummy) = {
 543         .name           = "fdt-dummy",
 544         .id             = UCLASS_TEST_DUMMY,
 545         .flags          = DM_UC_FLAG_SEQ_ALIAS,
 546 };
 547
 548 U_BOOT_DRIVER(fdt_dummy_drv) = {
 549         .name   = "fdt_dummy_drv",
 550         .of_match       = fdt_dummy_ids,
 551         .id     = UCLASS_TEST_DUMMY,
 552 };
 553
 554 static int dm_test_fdt_translation(struct unit_test_state *uts)
 555 {
 556         struct udevice *dev;
 557         fdt32_t dma_addr[2];
 558
 559         /* Some simple translations */
 560         ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, &dev));
 561         ut_asserteq_str("dev@0,0", dev->name);
 562         ut_asserteq(0x8000, dev_read_addr(dev));
 563
 564         ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 1, &dev));
 565         ut_asserteq_str("dev@1,100", dev->name);
 566         ut_asserteq(0x9000, dev_read_addr(dev));
 567
 568         ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 2, &dev));
 569         ut_asserteq_str("dev@2,200", dev->name);
 570         ut_asserteq(0xA000, dev_read_addr(dev));
 571
 572         /* No translation for busses with #size-cells == 0 */
 573         ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 3, &dev));
 574         ut_asserteq_str("dev@42", dev->name);
 575         ut_asserteq(0x42, dev_read_addr(dev));
 576
 577         /* dma address translation */
 578         ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, &dev));
 579         dma_addr[0] = cpu_to_be32(0);
 580         dma_addr[1] = cpu_to_be32(0);
 581         ut_asserteq(0x10000000, dev_translate_dma_address(dev, dma_addr));
 582
 583         ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 1, &dev));
 584         dma_addr[0] = cpu_to_be32(1);
 585         dma_addr[1] = cpu_to_be32(0x100);
 586         ut_asserteq(0x20000000, dev_translate_dma_address(dev, dma_addr));
 587
 588         return 0;
 589 }
 590 DM_TEST(dm_test_fdt_translation, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 591
 592 static int dm_test_fdt_get_addr_ptr_flat(struct unit_test_state *uts)
 593 {
 594         struct udevice *gpio, *dev;
 595         void *ptr;
 596
 597         /* Test for missing reg property */
 598         ut_assertok(uclass_first_device_err(UCLASS_GPIO, &gpio));
 599         ut_assertnull(devfdt_get_addr_ptr(gpio));
 600
 601         ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, &dev));
 602         ptr = devfdt_get_addr_ptr(dev);
 603         ut_asserteq_ptr((void *)0x8000, ptr);
 604
 605         return 0;
 606 }
 607 DM_TEST(dm_test_fdt_get_addr_ptr_flat,
 608         UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT | UT_TESTF_FLAT_TREE);
 609
 610 static int dm_test_fdt_remap_addr_flat(struct unit_test_state *uts)
 611 {
 612         struct udevice *dev;
 613         fdt_addr_t addr;
 614         void *paddr;
 615
 616         ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, &dev));
 617
 618         addr = devfdt_get_addr(dev);
 619         ut_asserteq(0x8000, addr);
 620
 621         paddr = map_physmem(addr, 0, MAP_NOCACHE);
 622         ut_assertnonnull(paddr);
 623         ut_asserteq_ptr(paddr, devfdt_remap_addr(dev));
 624
 625         return 0;
 626 }
 627 DM_TEST(dm_test_fdt_remap_addr_flat,
 628         UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT | UT_TESTF_FLAT_TREE);
 629
 630 static int dm_test_fdt_remap_addr_index_flat(struct unit_test_state *uts)
 631 {
 632         struct udevice *dev;
 633         fdt_addr_t addr;
 634         fdt_size_t size;
 635         void *paddr;
 636
 637         ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, &dev));
 638
 639         addr = devfdt_get_addr_size_index(dev, 0, &size);
 640         ut_asserteq(0x8000, addr);
 641         ut_asserteq(0x1000, size);
 642
 643         paddr = map_physmem(addr, 0, MAP_NOCACHE);
 644         ut_assertnonnull(paddr);
 645         ut_asserteq_ptr(paddr, devfdt_remap_addr_index(dev, 0));
 646
 647         return 0;
 648 }
 649 DM_TEST(dm_test_fdt_remap_addr_index_flat,
 650         UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT | UT_TESTF_FLAT_TREE);
 651
 652 static int dm_test_fdt_remap_addr_name_flat(struct unit_test_state *uts)
 653 {
 654         struct udevice *dev;
 655         fdt_addr_t addr;
 656         fdt_size_t size;
 657         void *paddr;
 658
 659         ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, &dev));
 660
 661         addr = devfdt_get_addr_size_name(dev, "sandbox-dummy-0", &size);
 662         ut_asserteq(0x8000, addr);
 663         ut_asserteq(0x1000, size);
 664
 665         paddr = map_physmem(addr, 0, MAP_NOCACHE);
 666         ut_assertnonnull(paddr);
 667         ut_asserteq_ptr(paddr, devfdt_remap_addr_name(dev, "sandbox-dummy-0"));
 668
 669         return 0;
 670 }
 671 DM_TEST(dm_test_fdt_remap_addr_name_flat,
 672         UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT | UT_TESTF_FLAT_TREE);
 673
 674 static int dm_test_fdt_remap_addr_live(struct unit_test_state *uts)
 675 {
 676         struct udevice *dev;
 677         fdt_addr_t addr;
 678         void *paddr;
 679
 680         ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, &dev));
 681
 682         addr = dev_read_addr(dev);
 683         ut_asserteq(0x8000, addr);
 684
 685         paddr = map_physmem(addr, 0, MAP_NOCACHE);
 686         ut_assertnonnull(paddr);
 687         ut_asserteq_ptr(paddr, dev_remap_addr(dev));
 688
 689         return 0;
 690 }
 691 DM_TEST(dm_test_fdt_remap_addr_live,
 692         UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 693
 694 static int dm_test_fdt_remap_addr_index_live(struct unit_test_state *uts)
 695 {
 696         struct udevice *dev;
 697         fdt_addr_t addr;
 698         fdt_size_t size;
 699         void *paddr;
 700
 701         ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, &dev));
 702
 703         addr = dev_read_addr_size_index(dev, 0, &size);
 704         ut_asserteq(0x8000, addr);
 705         ut_asserteq(0x1000, size);
 706
 707         paddr = map_physmem(addr, 0, MAP_NOCACHE);
 708         ut_assertnonnull(paddr);
 709         ut_asserteq_ptr(paddr, dev_remap_addr_index(dev, 0));
 710
 711         return 0;
 712 }
 713 DM_TEST(dm_test_fdt_remap_addr_index_live,
 714         UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 715
 716 static int dm_test_fdt_remap_addr_name_live(struct unit_test_state *uts)
 717 {
 718         struct udevice *dev;
 719         fdt_addr_t addr;
 720         fdt_size_t size;
 721         void *paddr;
 722
 723         ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, &dev));
 724
 725         addr = dev_read_addr_size_name(dev, "sandbox-dummy-0", &size);
 726         ut_asserteq(0x8000, addr);
 727         ut_asserteq(0x1000, size);
 728
 729         paddr = map_physmem(addr, 0, MAP_NOCACHE);
 730         ut_assertnonnull(paddr);
 731         ut_asserteq_ptr(paddr, dev_remap_addr_name(dev, "sandbox-dummy-0"));
 732
 733         return 0;
 734 }
 735 DM_TEST(dm_test_fdt_remap_addr_name_live,
 736         UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 737
 738 static int dm_test_fdt_livetree_writing(struct unit_test_state *uts)
 739 {
 740         struct udevice *dev;
 741         ofnode node;
 742
 743         if (!of_live_active()) {
 744                 printf("Live tree not active; ignore test\n");
 745                 return 0;
 746         }
 747
 748         /* Test enabling devices */
 749
 750         node = ofnode_path("/usb@2");
 751
 752         ut_assert(!of_device_is_available(ofnode_to_np(node)));
 753         ofnode_set_enabled(node, true);
 754         ut_assert(of_device_is_available(ofnode_to_np(node)));
 755
 756         device_bind_driver_to_node(dm_root(), "usb_sandbox", "usb@2", node,
 757                                    &dev);
 758         ut_assertok(uclass_find_device_by_seq(UCLASS_USB, 2, &dev));
 759
 760         /* Test string property setting */
 761
 762         ut_assert(device_is_compatible(dev, "sandbox,usb"));
 763         ofnode_write_string(node, "compatible", "gdsys,super-usb");
 764         ut_assert(device_is_compatible(dev, "gdsys,super-usb"));
 765         ofnode_write_string(node, "compatible", "sandbox,usb");
 766         ut_assert(device_is_compatible(dev, "sandbox,usb"));
 767
 768         /* Test setting generic properties */
 769
 770         /* Non-existent in DTB */
 771         ut_asserteq(FDT_ADDR_T_NONE, dev_read_addr(dev));
 772         /* reg = 0x42, size = 0x100 */
 773         ut_assertok(ofnode_write_prop(node, "reg", 8,
 774                                       "\x00\x00\x00\x42\x00\x00\x01\x00"));
 775         ut_asserteq(0x42, dev_read_addr(dev));
 776
 777         /* Test disabling devices */
 778
 779         device_remove(dev, DM_REMOVE_NORMAL);
 780         device_unbind(dev);
 781
 782         ut_assert(of_device_is_available(ofnode_to_np(node)));
 783         ofnode_set_enabled(node, false);
 784         ut_assert(!of_device_is_available(ofnode_to_np(node)));
 785
 786         return 0;
 787 }
 788 DM_TEST(dm_test_fdt_livetree_writing, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 789
 790 static int dm_test_fdt_disable_enable_by_path(struct unit_test_state *uts)
 791 {
 792         ofnode node;
 793
 794         if (!of_live_active()) {
 795                 printf("Live tree not active; ignore test\n");
 796                 return 0;
 797         }
 798
 799         node = ofnode_path("/usb@2");
 800
 801         /* Test enabling devices */
 802
 803         ut_assert(!of_device_is_available(ofnode_to_np(node)));
 804         dev_enable_by_path("/usb@2");
 805         ut_assert(of_device_is_available(ofnode_to_np(node)));
 806
 807         /* Test disabling devices */
 808
 809         ut_assert(of_device_is_available(ofnode_to_np(node)));
 810         dev_disable_by_path("/usb@2");
 811         ut_assert(!of_device_is_available(ofnode_to_np(node)));
 812
 813         return 0;
 814 }
 815 DM_TEST(dm_test_fdt_disable_enable_by_path, UT_TESTF_SCAN_PDATA |
 816                                             UT_TESTF_SCAN_FDT);
 817
 818 /* Test a few uclass phandle functions */
 819 static int dm_test_fdt_phandle(struct unit_test_state *uts)
 820 {
 821         struct udevice *back, *dev, *dev2;
 822
 823         ut_assertok(uclass_find_first_device(UCLASS_PANEL_BACKLIGHT, &back));
 824         ut_assertnonnull(back);
 825         ut_asserteq(-ENOENT, uclass_find_device_by_phandle(UCLASS_REGULATOR,
 826                                                         back, "missing", &dev));
 827         ut_assertok(uclass_find_device_by_phandle(UCLASS_REGULATOR, back,
 828                                                   "power-supply", &dev));
 829         ut_assertnonnull(dev);
 830         ut_asserteq(0, device_active(dev));
 831         ut_asserteq_str("ldo1", dev->name);
 832         ut_assertok(uclass_get_device_by_phandle(UCLASS_REGULATOR, back,
 833                                                  "power-supply", &dev2));
 834         ut_asserteq_ptr(dev, dev2);
 835
 836         return 0;
 837 }
 838 DM_TEST(dm_test_fdt_phandle, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 839
 840 /* Test device_find_first_child_by_uclass() */
 841 static int dm_test_first_child(struct unit_test_state *uts)
 842 {
 843         struct udevice *i2c, *dev, *dev2;
 844
 845         ut_assertok(uclass_first_device_err(UCLASS_I2C, &i2c));
 846         ut_assertok(device_find_first_child_by_uclass(i2c, UCLASS_RTC, &dev));
 847         ut_asserteq_str("rtc@43", dev->name);
 848         ut_assertok(device_find_child_by_name(i2c, "rtc@43", &dev2));
 849         ut_asserteq_ptr(dev, dev2);
 850         ut_assertok(device_find_child_by_name(i2c, "rtc@61", &dev2));
 851         ut_asserteq_str("rtc@61", dev2->name);
 852
 853         ut_assertok(device_find_first_child_by_uclass(i2c, UCLASS_I2C_EEPROM,
 854                                                       &dev));
 855         ut_asserteq_str("eeprom@2c", dev->name);
 856         ut_assertok(device_find_child_by_name(i2c, "eeprom@2c", &dev2));
 857         ut_asserteq_ptr(dev, dev2);
 858
 859         ut_asserteq(-ENODEV, device_find_first_child_by_uclass(i2c,
 860                                                         UCLASS_VIDEO, &dev));
 861         ut_asserteq(-ENODEV, device_find_child_by_name(i2c, "missing", &dev));
 862
 863         return 0;
 864 }
 865 DM_TEST(dm_test_first_child, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 866
 867 /* Test integer functions in dm_read_...() */
 868 static int dm_test_read_int(struct unit_test_state *uts)
 869 {
 870         struct udevice *dev;
 871         u32 val32;
 872         s32 sval;
 873         uint val;
 874         u64 val64;
 875
 876         ut_assertok(uclass_first_device_err(UCLASS_TEST_FDT, &dev));
 877         ut_asserteq_str("a-test", dev->name);
 878         ut_assertok(dev_read_u32(dev, "int-value", &val32));
 879         ut_asserteq(1234, val32);
 880
 881         ut_asserteq(-EINVAL, dev_read_u32(dev, "missing", &val32));
 882         ut_asserteq(6, dev_read_u32_default(dev, "missing", 6));
 883
 884         ut_asserteq(1234, dev_read_u32_default(dev, "int-value", 6));
 885         ut_asserteq(1234, val32);
 886
 887         ut_asserteq(-EINVAL, dev_read_s32(dev, "missing", &sval));
 888         ut_asserteq(6, dev_read_s32_default(dev, "missing", 6));
 889
 890         ut_asserteq(-1234, dev_read_s32_default(dev, "uint-value", 6));
 891         ut_assertok(dev_read_s32(dev, "uint-value", &sval));
 892         ut_asserteq(-1234, sval);
 893
 894         val = 0;
 895         ut_asserteq(-EINVAL, dev_read_u32u(dev, "missing", &val));
 896         ut_assertok(dev_read_u32u(dev, "uint-value", &val));
 897         ut_asserteq(-1234, val);
 898
 899         ut_assertok(dev_read_u64(dev, "int64-value", &val64));
 900         ut_asserteq_64(0x1111222233334444, val64);
 901
 902         ut_asserteq_64(-EINVAL, dev_read_u64(dev, "missing", &val64));
 903         ut_asserteq_64(6, dev_read_u64_default(dev, "missing", 6));
 904
 905         ut_asserteq_64(0x1111222233334444,
 906                        dev_read_u64_default(dev, "int64-value", 6));
 907
 908         return 0;
 909 }
 910 DM_TEST(dm_test_read_int, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 911
 912 static int dm_test_read_int_index(struct unit_test_state *uts)
 913 {
 914         struct udevice *dev;
 915         u32 val32;
 916
 917         ut_assertok(uclass_first_device_err(UCLASS_TEST_FDT, &dev));
 918         ut_asserteq_str("a-test", dev->name);
 919
 920         ut_asserteq(-EINVAL, dev_read_u32_index(dev, "missing", 0, &val32));
 921         ut_asserteq(19, dev_read_u32_index_default(dev, "missing", 0, 19));
 922
 923         ut_assertok(dev_read_u32_index(dev, "int-array", 0, &val32));
 924         ut_asserteq(5678, val32);
 925         ut_assertok(dev_read_u32_index(dev, "int-array", 1, &val32));
 926         ut_asserteq(9123, val32);
 927         ut_assertok(dev_read_u32_index(dev, "int-array", 2, &val32));
 928         ut_asserteq(4567, val32);
 929         ut_asserteq(-EOVERFLOW, dev_read_u32_index(dev, "int-array", 3,
 930                                                    &val32));
 931
 932         ut_asserteq(5678, dev_read_u32_index_default(dev, "int-array", 0, 2));
 933         ut_asserteq(9123, dev_read_u32_index_default(dev, "int-array", 1, 2));
 934         ut_asserteq(4567, dev_read_u32_index_default(dev, "int-array", 2, 2));
 935         ut_asserteq(2, dev_read_u32_index_default(dev, "int-array", 3, 2));
 936
 937         return 0;
 938 }
 939 DM_TEST(dm_test_read_int_index, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 940
 941 static int dm_test_read_phandle(struct unit_test_state *uts)
 942 {
 943         struct udevice *dev;
 944         struct ofnode_phandle_args args;
 945         int ret;
 946         const char prop[] = "test-gpios";
 947         const char cell[] = "#gpio-cells";
 948         const char prop2[] = "phandle-value";
 949
 950         ut_assertok(uclass_first_device_err(UCLASS_TEST_FDT, &dev));
 951         ut_asserteq_str("a-test", dev->name);
 952
 953         /* Test dev_count_phandle_with_args with cell name */
 954         ret = dev_count_phandle_with_args(dev, "missing", cell, 0);
 955         ut_asserteq(-ENOENT, ret);
 956         ret = dev_count_phandle_with_args(dev, prop, "#invalid", 0);
 957         ut_asserteq(-EINVAL, ret);
 958         ut_asserteq(5, dev_count_phandle_with_args(dev, prop, cell, 0));
 959
 960         /* Test dev_read_phandle_with_args with cell name */
 961         ret = dev_read_phandle_with_args(dev, "missing", cell, 0, 0, &args);
 962         ut_asserteq(-ENOENT, ret);
 963         ret = dev_read_phandle_with_args(dev, prop, "#invalid", 0, 0, &args);
 964         ut_asserteq(-EINVAL, ret);
 965         ut_assertok(dev_read_phandle_with_args(dev, prop, cell, 0, 0, &args));
 966         ut_asserteq(1, args.args_count);
 967         ut_asserteq(1, args.args[0]);
 968         ut_assertok(dev_read_phandle_with_args(dev, prop, cell, 0, 1, &args));
 969         ut_asserteq(1, args.args_count);
 970         ut_asserteq(4, args.args[0]);
 971         ut_assertok(dev_read_phandle_with_args(dev, prop, cell, 0, 2, &args));
 972         ut_asserteq(5, args.args_count);
 973         ut_asserteq(5, args.args[0]);
 974         ut_asserteq(1, args.args[4]);
 975         ret = dev_read_phandle_with_args(dev, prop, cell, 0, 3, &args);
 976         ut_asserteq(-ENOENT, ret);
 977         ut_assertok(dev_read_phandle_with_args(dev, prop, cell, 0, 4, &args));
 978         ut_asserteq(1, args.args_count);
 979         ut_asserteq(12, args.args[0]);
 980         ret = dev_read_phandle_with_args(dev, prop, cell, 0, 5, &args);
 981         ut_asserteq(-ENOENT, ret);
 982
 983         /* Test dev_count_phandle_with_args with cell count */
 984         ret = dev_count_phandle_with_args(dev, "missing", NULL, 2);
 985         ut_asserteq(-ENOENT, ret);
 986         ut_asserteq(3, dev_count_phandle_with_args(dev, prop2, NULL, 1));
 987
 988         /* Test dev_read_phandle_with_args with cell count */
 989         ut_assertok(dev_read_phandle_with_args(dev, prop2, NULL, 1, 0, &args));
 990         ut_asserteq(1, ofnode_valid(args.node));
 991         ut_asserteq(1, args.args_count);
 992         ut_asserteq(10, args.args[0]);
 993         ret = dev_read_phandle_with_args(dev, prop2, NULL, 1, 1, &args);
 994         ut_asserteq(-EINVAL, ret);
 995         ut_assertok(dev_read_phandle_with_args(dev, prop2, NULL, 1, 2, &args));
 996         ut_asserteq(1, ofnode_valid(args.node));
 997         ut_asserteq(1, args.args_count);
 998         ut_asserteq(30, args.args[0]);
 999         ret = dev_read_phandle_with_args(dev, prop2, NULL, 1, 3, &args);
1000         ut_asserteq(-ENOENT, ret);
1001
1002         return 0;
1003 }
1004 DM_TEST(dm_test_read_phandle, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
1005
1006 /* Test iteration through devices by drvdata */
1007 static int dm_test_uclass_drvdata(struct unit_test_state *uts)
1008 {
1009         struct udevice *dev;
1010
1011         ut_assertok(uclass_first_device_drvdata(UCLASS_TEST_FDT,
1012                                                 DM_TEST_TYPE_FIRST, &dev));
1013         ut_asserteq_str("a-test", dev->name);
1014
1015         ut_assertok(uclass_first_device_drvdata(UCLASS_TEST_FDT,
1016                                                 DM_TEST_TYPE_SECOND, &dev));
1017         ut_asserteq_str("d-test", dev->name);
1018
1019         ut_asserteq(-ENODEV, uclass_first_device_drvdata(UCLASS_TEST_FDT,
1020                                                          DM_TEST_TYPE_COUNT,
1021                                                          &dev));
1022
1023         return 0;
1024 }
1025 DM_TEST(dm_test_uclass_drvdata, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
1026
1027 /* Test device_first_child_ofdata_err(), etc. */
1028 static int dm_test_child_ofdata(struct unit_test_state *uts)
1029 {
1030         struct udevice *bus, *dev;
1031         int count;
1032
1033         ut_assertok(uclass_first_device_err(UCLASS_TEST_BUS, &bus));
1034         count = 0;
1035         device_foreach_child_of_to_plat(dev, bus) {
1036                 ut_assert(dev_get_flags(dev) & DM_FLAG_PLATDATA_VALID);
1037                 ut_assert(!(dev_get_flags(dev) & DM_FLAG_ACTIVATED));
1038                 count++;
1039         }
1040         ut_asserteq(3, count);
1041
1042         return 0;
1043 }
1044 DM_TEST(dm_test_child_ofdata, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
1045
1046 /* Test device_first_child_err(), etc. */
1047 static int dm_test_first_child_probe(struct unit_test_state *uts)
1048 {
1049         struct udevice *bus, *dev;
1050         int count;
1051
1052         ut_assertok(uclass_first_device_err(UCLASS_TEST_BUS, &bus));
1053         count = 0;
1054         device_foreach_child_probe(dev, bus) {
1055                 ut_assert(dev_get_flags(dev) & DM_FLAG_PLATDATA_VALID);
1056                 ut_assert(dev_get_flags(dev) & DM_FLAG_ACTIVATED);
1057                 count++;
1058         }
1059         ut_asserteq(3, count);
1060
1061         return 0;
1062 }
1063 DM_TEST(dm_test_first_child_probe, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
1064
1065 /* Test that ofdata is read for parents before children */
1066 static int dm_test_ofdata_order(struct unit_test_state *uts)
1067 {
1068         struct udevice *bus, *dev;
1069
1070         ut_assertok(uclass_find_first_device(UCLASS_I2C, &bus));
1071         ut_assertnonnull(bus);
1072         ut_assert(!(dev_get_flags(bus) & DM_FLAG_PLATDATA_VALID));
1073
1074         ut_assertok(device_find_first_child(bus, &dev));
1075         ut_assertnonnull(dev);
1076         ut_assert(!(dev_get_flags(dev) & DM_FLAG_PLATDATA_VALID));
1077
1078         /* read the child's ofdata which should cause the parent's to be read */
1079         ut_assertok(device_of_to_plat(dev));
1080         ut_assert(dev_get_flags(dev) & DM_FLAG_PLATDATA_VALID);
1081         ut_assert(dev_get_flags(bus) & DM_FLAG_PLATDATA_VALID);
1082
1083         ut_assert(!(dev_get_flags(dev) & DM_FLAG_ACTIVATED));
1084         ut_assert(!(dev_get_flags(bus) & DM_FLAG_ACTIVATED));
1085
1086         return 0;
1087 }
1088 DM_TEST(dm_test_ofdata_order, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
1089
1090 /* Test dev_decode_display_timing() */
1091 static int dm_test_decode_display_timing(struct unit_test_state *uts)
1092 {
1093         struct udevice *dev;
1094         struct display_timing timing;
1095
1096         ut_assertok(uclass_first_device_err(UCLASS_TEST_FDT, &dev));
1097         ut_asserteq_str("a-test", dev->name);
1098
1099         ut_assertok(dev_decode_display_timing(dev, 0, &timing));
1100         ut_assert(timing.hactive.typ == 240);
1101         ut_assert(timing.hback_porch.typ == 7);
1102         ut_assert(timing.hfront_porch.typ == 6);
1103         ut_assert(timing.hsync_len.typ == 1);
1104         ut_assert(timing.vactive.typ == 320);
1105         ut_assert(timing.vback_porch.typ == 5);
1106         ut_assert(timing.vfront_porch.typ == 8);
1107         ut_assert(timing.vsync_len.typ == 2);
1108         ut_assert(timing.pixelclock.typ == 6500000);
1109         ut_assert(timing.flags & DISPLAY_FLAGS_HSYNC_HIGH);
1110         ut_assert(!(timing.flags & DISPLAY_FLAGS_HSYNC_LOW));
1111         ut_assert(!(timing.flags & DISPLAY_FLAGS_VSYNC_HIGH));
1112         ut_assert(timing.flags & DISPLAY_FLAGS_VSYNC_LOW);
1113         ut_assert(timing.flags & DISPLAY_FLAGS_DE_HIGH);
1114         ut_assert(!(timing.flags & DISPLAY_FLAGS_DE_LOW));
1115         ut_assert(timing.flags & DISPLAY_FLAGS_PIXDATA_POSEDGE);
1116         ut_assert(!(timing.flags & DISPLAY_FLAGS_PIXDATA_NEGEDGE));
1117         ut_assert(timing.flags & DISPLAY_FLAGS_INTERLACED);
1118         ut_assert(timing.flags & DISPLAY_FLAGS_DOUBLESCAN);
1119         ut_assert(timing.flags & DISPLAY_FLAGS_DOUBLECLK);
1120
1121         ut_assertok(dev_decode_display_timing(dev, 1, &timing));
1122         ut_assert(timing.hactive.typ == 480);
1123         ut_assert(timing.hback_porch.typ == 59);
1124         ut_assert(timing.hfront_porch.typ == 10);
1125         ut_assert(timing.hsync_len.typ == 12);
1126         ut_assert(timing.vactive.typ == 800);
1127         ut_assert(timing.vback_porch.typ == 15);
1128         ut_assert(timing.vfront_porch.typ == 17);
1129         ut_assert(timing.vsync_len.typ == 16);
1130         ut_assert(timing.pixelclock.typ == 9000000);
1131         ut_assert(!(timing.flags & DISPLAY_FLAGS_HSYNC_HIGH));
1132         ut_assert(timing.flags & DISPLAY_FLAGS_HSYNC_LOW);
1133         ut_assert(timing.flags & DISPLAY_FLAGS_VSYNC_HIGH);
1134         ut_assert(!(timing.flags & DISPLAY_FLAGS_VSYNC_LOW));
1135         ut_assert(!(timing.flags & DISPLAY_FLAGS_DE_HIGH));
1136         ut_assert(timing.flags & DISPLAY_FLAGS_DE_LOW);
1137         ut_assert(!(timing.flags & DISPLAY_FLAGS_PIXDATA_POSEDGE));
1138         ut_assert(timing.flags & DISPLAY_FLAGS_PIXDATA_NEGEDGE);
1139         ut_assert(!(timing.flags & DISPLAY_FLAGS_INTERLACED));
1140         ut_assert(!(timing.flags & DISPLAY_FLAGS_DOUBLESCAN));
1141         ut_assert(!(timing.flags & DISPLAY_FLAGS_DOUBLECLK));
1142
1143         ut_assertok(dev_decode_display_timing(dev, 2, &timing));
1144         ut_assert(timing.hactive.typ == 800);
1145         ut_assert(timing.hback_porch.typ == 89);
1146         ut_assert(timing.hfront_porch.typ == 164);
1147         ut_assert(timing.hsync_len.typ == 11);
1148         ut_assert(timing.vactive.typ == 480);
1149         ut_assert(timing.vback_porch.typ == 23);
1150         ut_assert(timing.vfront_porch.typ == 10);
1151         ut_assert(timing.vsync_len.typ == 13);
1152         ut_assert(timing.pixelclock.typ == 33500000);
1153         ut_assert(!(timing.flags & DISPLAY_FLAGS_HSYNC_HIGH));
1154         ut_assert(!(timing.flags & DISPLAY_FLAGS_HSYNC_LOW));
1155         ut_assert(!(timing.flags & DISPLAY_FLAGS_VSYNC_HIGH));
1156         ut_assert(!(timing.flags & DISPLAY_FLAGS_VSYNC_LOW));
1157         ut_assert(!(timing.flags & DISPLAY_FLAGS_DE_HIGH));
1158         ut_assert(!(timing.flags & DISPLAY_FLAGS_DE_LOW));
1159         ut_assert(!(timing.flags & DISPLAY_FLAGS_PIXDATA_POSEDGE));
1160         ut_assert(!(timing.flags & DISPLAY_FLAGS_PIXDATA_NEGEDGE));
1161         ut_assert(!(timing.flags & DISPLAY_FLAGS_INTERLACED));
1162         ut_assert(!(timing.flags & DISPLAY_FLAGS_DOUBLESCAN));
1163         ut_assert(!(timing.flags & DISPLAY_FLAGS_DOUBLECLK));
1164
1165         ut_assert(dev_decode_display_timing(dev, 3, &timing));
1166         return 0;
1167 }
1168 DM_TEST(dm_test_decode_display_timing, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
1169
1170 /* Test read_resourcee() */
1171 static int dm_test_read_resource(struct unit_test_state *uts)
1172 {
1173         struct udevice *dev;
1174         struct resource res;
1175
1176         /* test resource without translation */
1177         ut_assertok(uclass_find_device_by_name(UCLASS_SIMPLE_BUS, "syscon@2", &dev));
1178         ut_assertok(dev_read_resource(dev, 0, &res));
1179         ut_asserteq(0x40, res.start);
1180         ut_asserteq(0x44, res.end);
1181         ut_assertok(dev_read_resource(dev, 1, &res));
1182         ut_asserteq(0x48, res.start);
1183         ut_asserteq(0x4d, res.end);
1184
1185         /* test resource with translation */
1186         ut_assertok(uclass_find_device_by_name(UCLASS_TEST_DUMMY, "dev@1,100", &dev));
1187         ut_assertok(dev_read_resource(dev, 0, &res));
1188         ut_asserteq(0x9000, res.start);
1189         ut_asserteq(0x9fff, res.end);
1190
1191         /* test named resource */
1192         ut_assertok(uclass_find_device_by_name(UCLASS_TEST_DUMMY, "dev@0,0", &dev));
1193         ut_assertok(dev_read_resource_byname(dev, "sandbox-dummy-0", &res));
1194         ut_asserteq(0x8000, res.start);
1195         ut_asserteq(0x8fff, res.end);
1196
1197         return 0;
1198 }
1199
1200 DM_TEST(dm_test_read_resource, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);