Add below test cases for mdio commands: mdio_list - To list MDIO buses mdio_read - To read PHY's register at <devad>.<reg> mdio_write - To write PHY's register at <devad>.<reg>
Signed-off-by: Love Kumar love.kumar@amd.com --- test/py/tests/test_mdio.py | 79 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 79 insertions(+) create mode 100644 test/py/tests/test_mdio.py
diff --git a/test/py/tests/test_mdio.py b/test/py/tests/test_mdio.py new file mode 100644 index 000000000000..89711e70b559 --- /dev/null +++ b/test/py/tests/test_mdio.py @@ -0,0 +1,79 @@ +# SPDX-License-Identifier: GPL-2.0 +# (C) Copyright 2023, Advanced Micro Devices, Inc. + +import pytest +import re + +""" +Note: This test relies on boardenv_* containing configuration values to define +the PHY device info including the device name, address, register address/value +and write data value. This test will be automatically skipped without this. + +For example: + +# Setup env__mdio_util_test to set the PHY address, device names, register +# address, register address value, and write data value to test mdio commands. +# Test will be skipped if env_mdio_util_test is not set +env__mdio_util_test = { + "eth0": {"phy_addr": 0xc, "device_name": "TI DP83867", "reg": 0, + "reg_val": 0x1000, "write_val": 0x100}, + "eth1": {"phy_addr": 0xa0, "device_name": "TI DP83867", "reg": 1, + "reg_val": 0x2000, "write_val": 0x100}, +} +""" + +def get_mdio_test_env(u_boot_console): + f = u_boot_console.config.env.get("env__mdio_util_test", None) + if not f or len(f) == 0: + pytest.skip("No PHY device to test!") + else: + return f + +@pytest.mark.buildconfigspec("cmd_mii") +@pytest.mark.buildconfigspec("phylib") +def test_mdio_list(u_boot_console): + f = get_mdio_test_env(u_boot_console) + output = u_boot_console.run_command("mdio list") + for dev, val in f.items(): + phy_addr = val.get("phy_addr") + dev_name = val.get("device_name") + + assert f"{phy_addr:x} -" in output + assert dev_name in output + +@pytest.mark.buildconfigspec("cmd_mii") +@pytest.mark.buildconfigspec("phylib") +def test_mdio_read(u_boot_console): + f = get_mdio_test_env(u_boot_console) + output = u_boot_console.run_command("mdio list") + for dev, val in f.items(): + phy_addr = hex(val.get("phy_addr")) + dev_name = val.get("device_name") + reg = hex(val.get("reg")) + reg_val = hex(val.get("reg_val")) + + output = u_boot_console.run_command(f"mdio read {phy_addr} {reg}") + assert f"PHY at address {int(phy_addr, 16):x}:" in output + assert f"{int(reg, 16):x} - {reg_val}" in output + +@pytest.mark.buildconfigspec("cmd_mii") +@pytest.mark.buildconfigspec("phylib") +def test_mdio_write(u_boot_console): + f = get_mdio_test_env(u_boot_console) + output = u_boot_console.run_command("mdio list") + for dev, val in f.items(): + phy_addr = hex(val.get("phy_addr")) + dev_name = val.get("device_name") + reg = hex(val.get("reg")) + reg_val = hex(val.get("reg_val")) + wr_val = hex(val.get("write_val")) + + u_boot_console.run_command(f"mdio write {phy_addr} {reg} {wr_val}") + output = u_boot_console.run_command(f"mdio read {phy_addr} {reg}") + assert f"PHY at address {int(phy_addr, 16):x}:" in output + assert f"{int(reg, 16):x} - {wr_val}" in output + + u_boot_console.run_command(f"mdio write {phy_addr} {reg} {reg_val}") + output = u_boot_console.run_command(f"mdio read {phy_addr} {reg}") + assert f"PHY at address {int(phy_addr, 16):x}:" in output + assert f"{int(reg, 16):x} - {reg_val}" in output