1# Copyright 2017 The Chromium OS Authors. All rights reserved. 2# Use of this source code is governed by a BSD-style license that can be 3# found in the LICENSE file. 4 5AUTHOR = "ChromeOS Team" 6NAME = "firmware_ChipFwUpdate" 7PURPOSE = "TCPC firmware update test." 8CRITERIA = "This test will pass if the updated bios.bin booted successfully." 9DEPENDENCIES = "servo_state:WORKING" 10TIME = "SHORT" 11TEST_CATEGORY = "Functional" 12TEST_CLASS = "firmware" 13TEST_TYPE = "server" 14JOB_RETRIES = 0 15PY_VERSION = 3 16 17DOC = """ 18This test replaces chip (i.e. TCPC) firmware on the DUT's bios.bin 19and reboots into it. The expectation is that the TCPC firmware 20is updated correctly when the system boots with the updated bios.bin 21 22Software sync applies the TCPC firmware update and verifies that 23it has been applied. If the DUT rebooted successfully, we know 24that the test has passed. 25 26For independent verification, the firmware_CompareChipFwToShellBall 27FAFT test can be used to verify the running TCPC firmware versions. 28 29For complete testing, this test needs to be invoked to downgrade, then 30upgrade the TCPCs so that we have confidence that the update process 31really happened. 32""" 33 34from autotest_lib.client.common_lib import utils 35 36args_dict = utils.args_to_dict(args) 37servo_args = hosts.CrosHost.get_servo_arguments(args_dict) 38 39def run_chip_fw_update(machine): 40 # Setup the client machine. 41 host = hosts.create_host(machine, servo_args=servo_args) 42 job.run_test('firmware_ChipFwUpdate', 43 host=host, cmdline_args=args) 44 45 46parallel_simple(run_chip_fw_update, machines) 47