mdio.c 1.3 KB

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  1. // SPDX-License-Identifier: GPL-2.0+
  2. /*
  3. * (C) Copyright 2019
  4. * Alex Marginean, NXP
  5. */
  6. #include <common.h>
  7. #include <dm.h>
  8. #include <log.h>
  9. #include <miiphy.h>
  10. #include <misc.h>
  11. #include <dm/test.h>
  12. #include <test/test.h>
  13. #include <test/ut.h>
  14. /* macros copied over from mdio_sandbox.c */
  15. #define SANDBOX_PHY_ADDR 5
  16. #define SANDBOX_PHY_REG_CNT 2
  17. /* test using 1st register, 0 */
  18. #define SANDBOX_PHY_REG 0
  19. #define TEST_REG_VALUE 0xabcd
  20. static int dm_test_mdio(struct unit_test_state *uts)
  21. {
  22. struct uclass *uc;
  23. struct udevice *dev;
  24. struct mdio_ops *ops;
  25. u16 reg;
  26. ut_assertok(uclass_get(UCLASS_MDIO, &uc));
  27. ut_assertok(uclass_get_device_by_name(UCLASS_MDIO, "mdio-test", &dev));
  28. ops = mdio_get_ops(dev);
  29. ut_assertnonnull(ops);
  30. ut_assertnonnull(ops->read);
  31. ut_assertnonnull(ops->write);
  32. ut_assertok(ops->write(dev, SANDBOX_PHY_ADDR, MDIO_DEVAD_NONE,
  33. SANDBOX_PHY_REG, TEST_REG_VALUE));
  34. reg = ops->read(dev, SANDBOX_PHY_ADDR, MDIO_DEVAD_NONE,
  35. SANDBOX_PHY_REG);
  36. ut_asserteq(reg, TEST_REG_VALUE);
  37. ut_assert(ops->read(dev, SANDBOX_PHY_ADDR + 1, MDIO_DEVAD_NONE,
  38. SANDBOX_PHY_REG) != 0);
  39. ut_assertok(ops->reset(dev));
  40. reg = ops->read(dev, SANDBOX_PHY_ADDR, MDIO_DEVAD_NONE,
  41. SANDBOX_PHY_REG);
  42. ut_asserteq(reg, 0);
  43. return 0;
  44. }
  45. DM_TEST(dm_test_mdio, UT_TESTF_SCAN_FDT);