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
dm_test_mdio(struct unit_test_state * uts)25 static 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
58 DM_TEST(dm_test_mdio, UT_TESTF_SCAN_FDT);
59