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| author | Alex Marginean <alexm.osslist@gmail.com> | 2019-06-03 19:12:28 +0300 |
|---|---|---|
| committer | Joe Hershberger <joe.hershberger@ni.com> | 2019-07-15 13:32:25 -0500 |
| commit | ec9594a50f02944944dcc76a6cffce9861e8614d (patch) | |
| tree | dd42eafb55474e8d9f645a9d72a5dac4b6fafa66 /test/dm/mdio.c | |
| parent | c3452b50c3aaa0db2bb0bc68039fed4d40bedbc0 (diff) | |
| download | u-boot-ec9594a50f02944944dcc76a6cffce9861e8614d.zip u-boot-ec9594a50f02944944dcc76a6cffce9861e8614d.tar.gz u-boot-ec9594a50f02944944dcc76a6cffce9861e8614d.tar.bz2 | |
test: dm: add MDIO test
A very simple test for DM_MDIO, mimicks a register write/read through the
sandbox bus to a dummy PHY.
Signed-off-by: Alex Marginean <alexm.osslist@gmail.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Diffstat (limited to 'test/dm/mdio.c')
| -rw-r--r-- | test/dm/mdio.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/test/dm/mdio.c b/test/dm/mdio.c new file mode 100644 index 0000000..5b66255 --- /dev/null +++ b/test/dm/mdio.c @@ -0,0 +1,53 @@ +// 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 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); |