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