LXR uboot/test/dm/mdio.c

   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * (C) Copyright 2019
   4 * Alex Marginean, NXP
   5 */
   6
   7#include <common.h>
   8#include <dm.h>
   9#include <log.h>
  10#include <miiphy.h>
  11#include <misc.h>
  12#include <dm/test.h>
  13#include <test/test.h>
  14#include <test/ut.h>
  15
  16/* macros copied over from mdio_sandbox.c */
  17#define SANDBOX_PHY_ADDR        5
  18#define SANDBOX_PHY_REG_CNT     2
  19
  20/* test using 1st register, 0 */
  21#define SANDBOX_PHY_REG         0
  22
  23#define TEST_REG_VALUE          0xabcd
  24
  25static int dm_test_mdio(struct unit_test_state *uts)
  26{
  27        struct uclass *uc;
  28        struct udevice *dev;
  29        struct mdio_ops *ops;
  30        u16 reg;
  31
  32        ut_assertok(uclass_get(UCLASS_MDIO, &uc));
  33
  34        ut_assertok(uclass_get_device_by_name(UCLASS_MDIO, "mdio-test", &dev));
  35
  36        ops = mdio_get_ops(dev);
  37        ut_assertnonnull(ops);
  38        ut_assertnonnull(ops->read);
  39        ut_assertnonnull(ops->write);
  40
  41        ut_assertok(ops->write(dev, SANDBOX_PHY_ADDR, MDIO_DEVAD_NONE,
  42                               SANDBOX_PHY_REG, TEST_REG_VALUE));
  43        reg = ops->read(dev, SANDBOX_PHY_ADDR, MDIO_DEVAD_NONE,
  44                        SANDBOX_PHY_REG);
  45        ut_asserteq(reg, TEST_REG_VALUE);
  46
  47        ut_assert(ops->read(dev, SANDBOX_PHY_ADDR + 1, MDIO_DEVAD_NONE,
  48                            SANDBOX_PHY_REG) != 0);
  49
  50        ut_assertok(ops->reset(dev));
  51        reg = ops->read(dev, SANDBOX_PHY_ADDR, MDIO_DEVAD_NONE,
  52                        SANDBOX_PHY_REG);
  53        ut_asserteq(reg, 0);
  54
  55        return 0;
  56}
  57
  58DM_TEST(dm_test_mdio, UT_TESTF_SCAN_FDT);
  59