1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright (C) 2021 Mark Kettenis <kettenis@openbsd.org>
4  */
5 
6 #include <common.h>
7 #include <dm.h>
8 #include <dm/test.h>
9 #include <dm/uclass-internal.h>
10 #include <iommu.h>
11 #include <test/test.h>
12 #include <test/ut.h>
13 
dm_test_iommu(struct unit_test_state * uts)14 static int dm_test_iommu(struct unit_test_state *uts)
15 {
16 	struct udevice *dev;
17 
18 	ut_assertok(uclass_find_device(UCLASS_IOMMU, 0, &dev));
19 	ut_assert(!(dev_get_flags(dev) & DM_FLAG_ACTIVATED));
20 
21 	/* Probing USB probes the IOMMU through the "iommus" property */
22 	ut_assertok(uclass_probe_all(UCLASS_USB));
23 	ut_assert(dev_get_flags(dev) & DM_FLAG_ACTIVATED);
24 
25 	return 0;
26 }
27 
28 DM_TEST(dm_test_iommu, UT_TESTF_SCAN_FDT);
29