phys2bus.c 1.2 KB

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  1. // SPDX-License-Identifier: GPL-2.0+
  2. /*
  3. * Copyright (c) 2020 Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
  4. */
  5. #include <common.h>
  6. #include <dm.h>
  7. #include <mapmem.h>
  8. #include <phys2bus.h>
  9. #include <dm/device.h>
  10. #include <dm/ofnode.h>
  11. #include <dm/root.h>
  12. #include <dm/test.h>
  13. #include <dm/uclass-internal.h>
  14. #include <test/ut.h>
  15. static int dm_test_phys_to_bus(struct unit_test_state *uts)
  16. {
  17. struct udevice *dev;
  18. ofnode node;
  19. node = ofnode_path("/mmio-bus@0");
  20. ut_assert(ofnode_valid(node));
  21. ut_assertok(uclass_get_device_by_ofnode(UCLASS_TEST_BUS, node, &dev));
  22. /* In this case it should be transparent, no dma-ranges in parent bus */
  23. ut_asserteq_addr((void*)0xfffffULL, (void*)dev_phys_to_bus(dev, 0xfffff));
  24. ut_asserteq_addr((void*)0xfffffULL, (void*)(ulong)dev_bus_to_phys(dev, 0xfffff));
  25. node = ofnode_path("/mmio-bus@0/subnode@0");
  26. ut_assert(ofnode_valid(node));
  27. ut_assertok(uclass_get_device_by_ofnode(UCLASS_TEST_FDT, node, &dev));
  28. ut_asserteq_addr((void*)0x100fffffULL, (void*)dev_phys_to_bus(dev, 0xfffff));
  29. ut_asserteq_addr((void*)0xfffffULL, (void*)(ulong)dev_bus_to_phys(dev, 0x100fffff));
  30. return 0;
  31. }
  32. DM_TEST(dm_test_phys_to_bus, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);