152 lines
5.8 KiB
Python
152 lines
5.8 KiB
Python
# Copyright 2020 The Chromium OS Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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"""The autotest performing FW update, both EC and AP in CCD mode."""
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import logging
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from autotest_lib.client.common_lib import error
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from autotest_lib.server.cros.faft.cr50_test import Cr50Test
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from autotest_lib.server.cros.servo import servo
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MAX_TRIES=2
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class firmware_Cr50CCDFirmwareUpdate(Cr50Test):
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"""A test that can provision a machine to the correct firmware version."""
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version = 1
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should_restore_fw = False
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def initialize(self, host, cmdline_args, full_args):
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"""Initialize the test and check if cr50 exists.
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Raises:
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TestNAError: If the dut is not proper for this test for its RDD
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recognition problem.
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"""
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super(firmware_Cr50CCDFirmwareUpdate,
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self).initialize(host, cmdline_args, full_args)
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# Don't bother if there is no Chrome EC.
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if not self.check_ec_capability():
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raise error.TestNAError('Nothing needs to be tested on this device')
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servo_type = self.servo.get_servo_version()
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if 'ccd_cr50' not in servo_type:
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raise error.TestNAError('unsupported servo type: %s' % servo_type)
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if eval(full_args.get('backup_fw', 'False')):
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self.backup_firmware()
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def cleanup(self):
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try:
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if not self.should_restore_fw:
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return
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self.cr50.reboot()
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self.switcher.mode_aware_reboot(reboot_type='cold')
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# Verify the EC is responsive before raising an error and going to
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# cleanup. Repair and cleanup don't recover corrupted EC firmware
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# very well.
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try:
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self.verify_ec_response()
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except Exception as e:
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logging.error('Caught exception: %s', str(e))
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if self.is_firmware_saved():
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logging.info('Restoring firmware')
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self.restore_firmware()
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else:
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logging.info('chromeos-firmwareupdate --mode=recovery')
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result = self._client.run('chromeos-firmwareupdate'
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' --mode=recovery',
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ignore_status=True)
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if result.exit_status != 0:
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logging.error('chromeos-firmwareupdate failed: %s',
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result.stdout.strip())
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self._client.reboot()
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except Exception as e:
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logging.error('Caught exception: %s', str(e))
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finally:
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super(firmware_Cr50CCDFirmwareUpdate, self).cleanup()
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def verify_ec_response(self):
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""" Verify the EC is responsive."""
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# Try to reflash EC a couple of times to see if it's possible to recover
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# the device now.
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count = MAX_TRIES
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while True:
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try:
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if self.servo.get_ec_board():
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return
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except servo.ConsoleError as e:
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logging.error('EC console is unresponsive: %s', str(e))
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if count == 0:
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break
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count -= 1
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# In the last iteration, try with main servo device.
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if count == 0:
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self.servo.enable_main_servo_device()
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try:
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self.cros_host.firmware_install(build=self.b_ver,
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install_bios=False)
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except Exception as e:
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logging.error('firmware_install failed: %s', str(e))
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logging.error('DUT likely needs a manual recovery.')
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def run_once(self, host, rw_only=False):
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"""The method called by the control file to start the test.
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Args:
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host: a CrosHost object of the machine to update.
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rw_only: True to only update the RW firmware.
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Raises:
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TestFail: if the firmware version remains unchanged.
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TestError: if the latest firmware release cannot be located.
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TestNAError: if the test environment is not properly set.
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e.g. the servo type doesn't support this test.
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"""
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self.cros_host = host
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# Get the parent (a.k.a. reference board or baseboard), and hand it
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# to get_latest_release_version so that it
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# can use it in search as secondary candidate. For example, bob doesn't
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# have its own release directory, but its parent, gru does.
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parent = getattr(self.faft_config, 'parent', None)
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self.b_ver = host.get_latest_release_version(self.faft_config.platform,
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parent)
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if not self.b_ver:
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raise error.TestError('Cannot locate the latest release for %s' %
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self.faft_config.platform)
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# Fast open cr50 and check if testlab is enabled.
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self.fast_ccd_open(enable_testlab=True)
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if self.servo.has_control('active_v4_device'):
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try:
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self.servo.set('active_v4_device', 'ccd_cr50')
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except error.TestFail as e:
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raise error.TestNAError('cannot change active_v4_device: %s' %
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str(e))
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# If it is ITE EC, then ccd reset factory.
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if self.servo.get('ec_chip') == 'it83xx':
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self.cr50.set_cap('I2C', 'Always')
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self.should_restore_fw = True
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try:
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self.cros_host.firmware_install(build=self.b_ver, rw_only=rw_only,
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dest=self.resultsdir,
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verify_version=True)
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except Exception as e:
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# The test failed to flash the firmware.
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raise error.TestFail('firmware_install failed with CCD: %s' %
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str(e))
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