mdio.c
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// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2019
* Alex Marginean, NXP
*/
#include <common.h>
#include <dm.h>
#include <dm/test.h>
#include <misc.h>
#include <test/ut.h>
#include <miiphy.h>
/* macros copied over from mdio_sandbox.c */
#define SANDBOX_PHY_ADDR 5
#define SANDBOX_PHY_REG_CNT 2
/* test using 1st register, 0 */
#define SANDBOX_PHY_REG 0
#define TEST_REG_VALUE 0xabcd
static int dm_test_mdio(struct unit_test_state *uts)
{
struct uclass *uc;
struct udevice *dev;
struct mdio_ops *ops;
u16 reg;
ut_assertok(uclass_get(UCLASS_MDIO, &uc));
ut_assertok(uclass_get_device_by_name(UCLASS_MDIO, "mdio-test", &dev));
ops = mdio_get_ops(dev);
ut_assertnonnull(ops);
ut_assertnonnull(ops->read);
ut_assertnonnull(ops->write);
ut_assertok(ops->write(dev, SANDBOX_PHY_ADDR, MDIO_DEVAD_NONE,
SANDBOX_PHY_REG, TEST_REG_VALUE));
reg = ops->read(dev, SANDBOX_PHY_ADDR, MDIO_DEVAD_NONE,
SANDBOX_PHY_REG);
ut_asserteq(reg, TEST_REG_VALUE);
ut_assert(ops->read(dev, SANDBOX_PHY_ADDR + 1, MDIO_DEVAD_NONE,
SANDBOX_PHY_REG) != 0);
ut_assertok(ops->reset(dev));
reg = ops->read(dev, SANDBOX_PHY_ADDR, MDIO_DEVAD_NONE,
SANDBOX_PHY_REG);
ut_asserteq(reg, 0);
return 0;
}
DM_TEST(dm_test_mdio, DM_TESTF_SCAN_FDT);