mdio.c 1.2 KB

1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556
  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 <dm/test.h>
  9. #include <misc.h>
  10. #include <test/ut.h>
  11. #include <miiphy.h>
  12. /* macros copied over from mdio_sandbox.c */
  13. #define SANDBOX_PHY_ADDR 5
  14. #define SANDBOX_PHY_REG_CNT 2
  15. /* test using 1st register, 0 */
  16. #define SANDBOX_PHY_REG 0
  17. #define TEST_REG_VALUE 0xabcd
  18. static int dm_test_mdio(struct unit_test_state *uts)
  19. {
  20. struct uclass *uc;
  21. struct udevice *dev;
  22. struct mdio_ops *ops;
  23. u16 reg;
  24. ut_assertok(uclass_get(UCLASS_MDIO, &uc));
  25. ut_assertok(uclass_get_device_by_name(UCLASS_MDIO, "mdio-test", &dev));
  26. ops = mdio_get_ops(dev);
  27. ut_assertnonnull(ops);
  28. ut_assertnonnull(ops->read);
  29. ut_assertnonnull(ops->write);
  30. ut_assertok(ops->write(dev, SANDBOX_PHY_ADDR, MDIO_DEVAD_NONE,
  31. SANDBOX_PHY_REG, TEST_REG_VALUE));
  32. reg = ops->read(dev, SANDBOX_PHY_ADDR, MDIO_DEVAD_NONE,
  33. SANDBOX_PHY_REG);
  34. ut_asserteq(reg, TEST_REG_VALUE);
  35. ut_assert(ops->read(dev, SANDBOX_PHY_ADDR + 1, MDIO_DEVAD_NONE,
  36. SANDBOX_PHY_REG) != 0);
  37. ut_assertok(ops->reset(dev));
  38. reg = ops->read(dev, SANDBOX_PHY_ADDR, MDIO_DEVAD_NONE,
  39. SANDBOX_PHY_REG);
  40. ut_asserteq(reg, 0);
  41. return 0;
  42. }
  43. DM_TEST(dm_test_mdio, DM_TESTF_SCAN_FDT);