| # Copyright 2018 The ChromiumOS Authors |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| import logging |
| |
| from autotest_lib.client.common_lib import error |
| from autotest_lib.server.cros.faft.cr50_test import Cr50Test |
| |
| |
| class firmware_Cr50DevMode(Cr50Test): |
| """Verify cr50 can tell the state of the dev mode switch.""" |
| version = 1 |
| |
| MRC_FILE = '/tmp/mrc.txt' |
| MRC_INDEX = '0x0000100B' |
| READ_MRC_CMD = 'tpm_manager_client read_space --index=%s --file=%s ; cat %s' % ( |
| MRC_INDEX, MRC_FILE, MRC_FILE) |
| |
| def switch_to_mode(self, mode): |
| """Switch to the given mode (dev or normal).""" |
| to_dev = mode == 'dev' |
| logging.info('Entering: %s', mode) |
| logging.info(self.host.run(self.READ_MRC_CMD, ignore_status=True)) |
| try: |
| self.switcher.reboot_to_mode(to_mode=mode) |
| except Exception as e: |
| ap_info = self.try_to_get_ap_state() |
| raise error.TestFail('Unable to enter %s mode %s: %r' % |
| (mode, ap_info, e)) |
| |
| if to_dev != self.gsc.in_dev_mode(): |
| raise error.TestFail('Cr50 should%s think dev mode is active' % |
| ('' if to_dev else "n't")) |
| |
| def run_once(self): |
| """Check cr50 can see dev mode correctly.""" |
| # Make gsc ecrst available if the board uses EC-EFS2. |
| if (self.servo.main_device_is_flex() and |
| self.gsc.uses_board_property('BOARD_EC_CR50_COMM_SUPPORT')): |
| if not self.servo.has_control('cold_reset_select'): |
| raise error.TestError('Servo setup issue: board uses EC-EFS2, ' |
| 'but ec_efs2.xml was not included by servod') |
| if self.servo.has_control('gsc_ecrst_pulse'): |
| self.servo.set_nocheck('cold_reset_select', 'gsc_ecrst_pulse') |
| else: |
| # TODO(b/294426380): remove when gsc_ecrst_pulse is in the lab. |
| self.fast_ccd_open(True) |
| self.gsc.enable_servo_control_caps() |
| self.servo.set_nocheck('cold_reset_select', 'gsc_ec_reset') |
| self.gsc.set_ccd_level('lock') |
| |
| self.switch_to_mode('normal') |
| self.switch_to_mode('dev') |
| self.switch_to_mode('normal') |
