+DM_TEST(dm_test_fdt_offset,
+ DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT | DM_TESTF_FLAT_TREE);
+
+/**
+ * Test various error conditions with uclass_first_device() and
+ * uclass_next_device()
+ */
+static int dm_test_first_next_device(struct unit_test_state *uts)
+{
+ struct dm_testprobe_pdata *pdata;
+ struct udevice *dev, *parent = NULL;
+ int count;
+ int ret;
+
+ /* There should be 4 devices */
+ for (ret = uclass_first_device(UCLASS_TEST_PROBE, &dev), count = 0;
+ dev;
+ ret = uclass_next_device(&dev)) {
+ count++;
+ parent = dev_get_parent(dev);
+ }
+ ut_assertok(ret);
+ ut_asserteq(4, count);
+
+ /* Remove them and try again, with an error on the second one */
+ ut_assertok(uclass_get_device(UCLASS_TEST_PROBE, 1, &dev));
+ pdata = dev_get_platdata(dev);
+ pdata->probe_err = -ENOMEM;
+ device_remove(parent, DM_REMOVE_NORMAL);
+ ut_assertok(uclass_first_device(UCLASS_TEST_PROBE, &dev));
+ ut_asserteq(-ENOMEM, uclass_next_device(&dev));
+ ut_asserteq_ptr(dev, NULL);
+
+ /* Now an error on the first one */
+ ut_assertok(uclass_get_device(UCLASS_TEST_PROBE, 0, &dev));
+ pdata = dev_get_platdata(dev);
+ pdata->probe_err = -ENOENT;
+ device_remove(parent, DM_REMOVE_NORMAL);
+ ut_asserteq(-ENOENT, uclass_first_device(UCLASS_TEST_PROBE, &dev));
+
+ return 0;
+}
+DM_TEST(dm_test_first_next_device, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+/**
+ * check_devices() - Check return values and pointers
+ *
+ * This runs through a full sequence of uclass_first_device_check()...
+ * uclass_next_device_check() checking that the return values and devices
+ * are correct.
+ *
+ * @uts: Test state
+ * @devlist: List of expected devices
+ * @mask: Indicates which devices should return an error. Device n should
+ * return error (-NOENT - n) if bit n is set, or no error (i.e. 0) if
+ * bit n is clear.
+ */
+static int check_devices(struct unit_test_state *uts,
+ struct udevice *devlist[], int mask)
+{
+ int expected_ret;
+ struct udevice *dev;
+ int i;
+
+ expected_ret = (mask & 1) ? -ENOENT : 0;
+ mask >>= 1;
+ ut_asserteq(expected_ret,
+ uclass_first_device_check(UCLASS_TEST_PROBE, &dev));
+ for (i = 0; i < 4; i++) {
+ ut_asserteq_ptr(devlist[i], dev);
+ expected_ret = (mask & 1) ? -ENOENT - (i + 1) : 0;
+ mask >>= 1;
+ ut_asserteq(expected_ret, uclass_next_device_check(&dev));
+ }
+ ut_asserteq_ptr(NULL, dev);
+
+ return 0;
+}
+
+/* Test uclass_first_device_check() and uclass_next_device_check() */
+static int dm_test_first_next_ok_device(struct unit_test_state *uts)
+{
+ struct dm_testprobe_pdata *pdata;
+ struct udevice *dev, *parent = NULL, *devlist[4];
+ int count;
+ int ret;
+
+ /* There should be 4 devices */
+ count = 0;
+ for (ret = uclass_first_device_check(UCLASS_TEST_PROBE, &dev);
+ dev;
+ ret = uclass_next_device_check(&dev)) {
+ ut_assertok(ret);
+ devlist[count++] = dev;
+ parent = dev_get_parent(dev);
+ }
+ ut_asserteq(4, count);
+ ut_assertok(uclass_first_device_check(UCLASS_TEST_PROBE, &dev));
+ ut_assertok(check_devices(uts, devlist, 0));
+
+ /* Remove them and try again, with an error on the second one */
+ pdata = dev_get_platdata(devlist[1]);
+ pdata->probe_err = -ENOENT - 1;
+ device_remove(parent, DM_REMOVE_NORMAL);
+ ut_assertok(check_devices(uts, devlist, 1 << 1));
+
+ /* Now an error on the first one */
+ pdata = dev_get_platdata(devlist[0]);
+ pdata->probe_err = -ENOENT - 0;
+ device_remove(parent, DM_REMOVE_NORMAL);
+ ut_assertok(check_devices(uts, devlist, 3 << 0));
+
+ /* Now errors on all */
+ pdata = dev_get_platdata(devlist[2]);
+ pdata->probe_err = -ENOENT - 2;
+ pdata = dev_get_platdata(devlist[3]);
+ pdata->probe_err = -ENOENT - 3;
+ device_remove(parent, DM_REMOVE_NORMAL);
+ ut_assertok(check_devices(uts, devlist, 0xf << 0));
+
+ return 0;
+}
+DM_TEST(dm_test_first_next_ok_device, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+static const struct udevice_id fdt_dummy_ids[] = {
+ { .compatible = "denx,u-boot-fdt-dummy", },
+ { }
+};
+
+UCLASS_DRIVER(fdt_dummy) = {
+ .name = "fdt_dummy",
+ .id = UCLASS_TEST_DUMMY,
+ .flags = DM_UC_FLAG_SEQ_ALIAS,
+};
+
+U_BOOT_DRIVER(fdt_dummy_drv) = {
+ .name = "fdt_dummy_drv",
+ .of_match = fdt_dummy_ids,
+ .id = UCLASS_TEST_DUMMY,
+};
+
+static int dm_test_fdt_translation(struct unit_test_state *uts)
+{
+ struct udevice *dev;
+
+ /* Some simple translations */
+ ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
+ ut_asserteq_str("dev@0,0", dev->name);
+ ut_asserteq(0x8000, dev_read_addr(dev));
+
+ ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 1, true, &dev));
+ ut_asserteq_str("dev@1,100", dev->name);
+ ut_asserteq(0x9000, dev_read_addr(dev));
+
+ ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 2, true, &dev));
+ ut_asserteq_str("dev@2,200", dev->name);
+ ut_asserteq(0xA000, dev_read_addr(dev));
+
+ /* No translation for busses with #size-cells == 0 */
+ ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 3, true, &dev));
+ ut_asserteq_str("dev@42", dev->name);
+ ut_asserteq(0x42, dev_read_addr(dev));
+
+ return 0;
+}
+DM_TEST(dm_test_fdt_translation, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+/* Test devfdt_remap_addr_index() */
+static int dm_test_fdt_remap_addr_flat(struct unit_test_state *uts)
+{
+ struct udevice *dev;
+ fdt_addr_t addr;
+ void *paddr;
+
+ ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
+
+ addr = devfdt_get_addr(dev);
+ ut_asserteq(0x8000, addr);
+
+ paddr = map_physmem(addr, 0, MAP_NOCACHE);
+ ut_assertnonnull(paddr);
+ ut_asserteq_ptr(paddr, devfdt_remap_addr(dev));
+
+ return 0;
+}
+DM_TEST(dm_test_fdt_remap_addr_flat,
+ DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT | DM_TESTF_FLAT_TREE);
+
+/* Test dev_remap_addr_index() */
+static int dm_test_fdt_remap_addr_live(struct unit_test_state *uts)
+{
+ struct udevice *dev;
+ fdt_addr_t addr;
+ void *paddr;
+
+ ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
+
+ addr = dev_read_addr(dev);
+ ut_asserteq(0x8000, addr);
+
+ paddr = map_physmem(addr, 0, MAP_NOCACHE);
+ ut_assertnonnull(paddr);
+ ut_asserteq_ptr(paddr, dev_remap_addr(dev));
+
+ return 0;
+}
+DM_TEST(dm_test_fdt_remap_addr_live,
+ DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);