By reusing DT nodes already available in sandbox's test DT introduce a test to validate dev_phys_to_bus()/dev_bus_to_phys().
Signed-off-by: Nicolas Saenz Julienne nsaenzjulienne@suse.de --- test/dm/Makefile | 1 + test/dm/phys2bus.c | 36 ++++++++++++++++++++++++++++++++++++ 2 files changed, 37 insertions(+) create mode 100644 test/dm/phys2bus.c
diff --git a/test/dm/Makefile b/test/dm/Makefile index 5c52d8b6ea..ac86abaa88 100644 --- a/test/dm/Makefile +++ b/test/dm/Makefile @@ -16,6 +16,7 @@ obj-$(CONFIG_UT_DM) += test-uclass.o
obj-$(CONFIG_UT_DM) += core.o obj-$(CONFIG_UT_DM) += read.o +obj-$(CONFIG_UT_DM) += phys2bus.o ifneq ($(CONFIG_SANDBOX),) obj-$(CONFIG_ACPIGEN) += acpi.o obj-$(CONFIG_ACPIGEN) += acpigen.o diff --git a/test/dm/phys2bus.c b/test/dm/phys2bus.c new file mode 100644 index 0000000000..06a045c168 --- /dev/null +++ b/test/dm/phys2bus.c @@ -0,0 +1,36 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (c) 2020 Nicolas Saenz Julienne nsaenzjulienne@suse.de + */ + +#include <common.h> +#include <dm.h> +#include <phys2bus.h> +#include <dm/device.h> +#include <dm/ofnode.h> +#include <dm/root.h> +#include <dm/test.h> +#include <dm/uclass-internal.h> +#include <test/ut.h> + +static int dm_test_phys_to_bus(struct unit_test_state *uts) +{ + struct udevice *dev; + ofnode node; + + node = ofnode_path("/mmio-bus@0"); + ut_assert(ofnode_valid(node)); + ut_assert(!uclass_get_device_by_ofnode(UCLASS_TEST_BUS, node, &dev)); + /* In this case it should be transparent, no dma-ranges in parent bus */ + ut_asserteq_ptr((void*)0xfffffULL, (void*)dev_phys_to_bus(dev, 0xfffff)); + ut_asserteq_ptr((void*)0xfffffULL, (void*)(ulong)dev_bus_to_phys(dev, 0xfffff)); + + node = ofnode_path("/mmio-bus@0/subnode@0"); + ut_assert(ofnode_valid(node)); + ut_assert(!uclass_get_device_by_ofnode(UCLASS_TEST_FDT, node, &dev)); + ut_asserteq_ptr((void*)0x100fffffULL, (void*)dev_phys_to_bus(dev, 0xfffff)); + ut_asserteq_ptr((void*)0xfffffULL, (void*)(ulong)dev_bus_to_phys(dev, 0x100fffff)); + + return 0; +} +DM_TEST(dm_test_phys_to_bus, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);