uboot/test/dm/test-fdt.c
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   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
  26DECLARE_GLOBAL_DATA_PTR;
  27
  28struct dm_testprobe_pdata {
  29        int probe_err;
  30};
  31
  32static 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
  39static const struct udevice_id testprobe_ids[] = {
  40        { .compatible = "denx,u-boot-probe-test" },
  41        { }
  42};
  43
  44U_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
  52UCLASS_DRIVER(testprobe) = {
  53        .name           = "testprobe",
  54        .id             = UCLASS_TEST_PROBE,
  55        .flags          = DM_UC_FLAG_SEQ_ALIAS,
  56};
  57
  58struct dm_testdevres_pdata {
  59        void *ptr;
  60};
  61
  62struct dm_testdevres_priv {
  63        void *ptr;
  64        void *ptr_ofdata;
  65};
  66
  67static 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
  76static 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
  85static 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
  94static const struct udevice_id testdevres_ids[] = {
  95        { .compatible = "denx,u-boot-devres-test" },
  96        { }
  97};
  98
  99U_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
 110UCLASS_DRIVER(testdevres) = {
 111        .name           = "testdevres",
 112        .id             = UCLASS_TEST_DEVRES,
 113        .flags          = DM_UC_FLAG_SEQ_ALIAS,
 114};
 115
 116int 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 */
 151static 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}
 180DM_TEST(dm_test_fdt, 0);
 181
 182static 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}
 203DM_TEST(dm_test_alias_highest_id, 0);
 204
 205static 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}
 225DM_TEST(dm_test_fdt_pre_reloc, 0);
 226
 227/* Test that sequence numbers are allocated properly */
 228static 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}
 299DM_TEST(dm_test_fdt_uclass_seq, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 300
 301/* More tests for sequence numbers */
 302static 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}
 324DM_TEST(dm_test_fdt_uclass_seq_manual, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 325
 326static 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}
 363DM_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 */
 366static 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}
 392DM_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 */
 399static 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}
 434DM_TEST(dm_test_first_next_device, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 435
 436/* Test iteration through devices in a uclass */
 437static 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}
 455DM_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 */
 470static 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() */
 493static 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}
 535DM_TEST(dm_test_first_next_ok_device, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 536
 537static const struct udevice_id fdt_dummy_ids[] = {
 538        { .compatible = "denx,u-boot-fdt-dummy", },
 539        { }
 540};
 541
 542UCLASS_DRIVER(fdt_dummy) = {
 543        .name           = "fdt-dummy",
 544        .id             = UCLASS_TEST_DUMMY,
 545        .flags          = DM_UC_FLAG_SEQ_ALIAS,
 546};
 547
 548U_BOOT_DRIVER(fdt_dummy_drv) = {
 549        .name   = "fdt_dummy_drv",
 550        .of_match       = fdt_dummy_ids,
 551        .id     = UCLASS_TEST_DUMMY,
 552};
 553
 554static 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}
 590DM_TEST(dm_test_fdt_translation, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 591
 592static 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}
 607DM_TEST(dm_test_fdt_get_addr_ptr_flat,
 608        UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT | UT_TESTF_FLAT_TREE);
 609
 610static 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}
 627DM_TEST(dm_test_fdt_remap_addr_flat,
 628        UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT | UT_TESTF_FLAT_TREE);
 629
 630static 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}
 649DM_TEST(dm_test_fdt_remap_addr_index_flat,
 650        UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT | UT_TESTF_FLAT_TREE);
 651
 652static 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}
 671DM_TEST(dm_test_fdt_remap_addr_name_flat,
 672        UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT | UT_TESTF_FLAT_TREE);
 673
 674static 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}
 691DM_TEST(dm_test_fdt_remap_addr_live,
 692        UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 693
 694static 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}
 713DM_TEST(dm_test_fdt_remap_addr_index_live,
 714        UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 715
 716static 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}
 735DM_TEST(dm_test_fdt_remap_addr_name_live,
 736        UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 737
 738static 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}
 788DM_TEST(dm_test_fdt_livetree_writing, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 789
 790static 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}
 815DM_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 */
 819static 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}
 838DM_TEST(dm_test_fdt_phandle, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 839
 840/* Test device_find_first_child_by_uclass() */
 841static 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}
 865DM_TEST(dm_test_first_child, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 866
 867/* Test integer functions in dm_read_...() */
 868static 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}
 910DM_TEST(dm_test_read_int, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 911
 912static 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}
 939DM_TEST(dm_test_read_int_index, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 940
 941static 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}
1004DM_TEST(dm_test_read_phandle, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
1005
1006/* Test iteration through devices by drvdata */
1007static 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}
1025DM_TEST(dm_test_uclass_drvdata, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
1026
1027/* Test device_first_child_ofdata_err(), etc. */
1028static 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}
1044DM_TEST(dm_test_child_ofdata, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
1045
1046/* Test device_first_child_err(), etc. */
1047static 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}
1063DM_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 */
1066static 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}
1088DM_TEST(dm_test_ofdata_order, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
1089
1090/* Test dev_decode_display_timing() */
1091static 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}
1168DM_TEST(dm_test_decode_display_timing, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
1169
1170/* Test read_resourcee() */
1171static 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
1200DM_TEST(dm_test_read_resource, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
1201