diff options
| -rw-r--r-- | arch/sandbox/dts/test.dts | 2 | ||||
| -rw-r--r-- | test/dm/iommu.c | 30 |
2 files changed, 32 insertions, 0 deletions
diff --git a/arch/sandbox/dts/test.dts b/arch/sandbox/dts/test.dts index 9d96e479ca8..8c059276702 100644 --- a/arch/sandbox/dts/test.dts +++ b/arch/sandbox/dts/test.dts @@ -1036,6 +1036,8 @@ #size-cells = <2>; ranges = <0x02000000 0 0x10000000 0x10000000 0 0x2000000 0x01000000 0 0x20000000 0x20000000 0 0x2000>; + iommu-map = <0x0010 &iommu 0 1>; + iommu-map-mask = <0xfffffff8>; pci@0,0 { compatible = "pci-generic"; reg = <0x0000 0 0 0 0>; diff --git a/test/dm/iommu.c b/test/dm/iommu.c index 6f932ef233f..62d38f1214a 100644 --- a/test/dm/iommu.c +++ b/test/dm/iommu.c @@ -68,3 +68,33 @@ static int dm_test_iommu_noiommu(struct unit_test_state *uts) return 0; } DM_TEST(dm_test_iommu_noiommu, UT_TESTF_SCAN_FDT); + +static int dm_test_iommu_pci(struct unit_test_state *uts) +{ + struct udevice *dev; + + ut_assertok(uclass_find_device(UCLASS_IOMMU, 0, &dev)); + ut_assert(!(dev_get_flags(dev) & DM_FLAG_ACTIVATED)); + + /* Probing P2SB probes the IOMMU through the "iommu-map" property */ + ut_assertok(uclass_probe_all(UCLASS_P2SB)); + ut_assert(dev_get_flags(dev) & DM_FLAG_ACTIVATED); + + return 0; +} +DM_TEST(dm_test_iommu_pci, UT_TESTF_SCAN_FDT); + +static int dm_test_iommu_pci_noiommu(struct unit_test_state *uts) +{ + struct udevice *dev; + + ut_assertok(uclass_find_device(UCLASS_IOMMU, 0, &dev)); + ut_assert(!(dev_get_flags(dev) & DM_FLAG_ACTIVATED)); + + /* Probing PMC should not probe the IOMMU */ + ut_assertok(uclass_probe_all(UCLASS_ACPI_PMC)); + ut_assert(!(dev_get_flags(dev) & DM_FLAG_ACTIVATED)); + + return 0; +} +DM_TEST(dm_test_iommu_pci_noiommu, UT_TESTF_SCAN_FDT); |