80 lines
3.0 KiB
Python
80 lines
3.0 KiB
Python
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# Lint as: python2, python3
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# Copyright 2021 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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from autotest_lib.server.cros.servo import chrome_cr50
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from autotest_lib.client.common_lib import error
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class ChromeTi50(chrome_cr50.ChromeCr50):
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"""Manages control of a Chrome Ti50.
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We control the Chrome Ti50 via the console of a Servo board. Chrome Ti50
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provides many interfaces to set and get its behavior via console commands.
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This class is to abstract these interfaces.
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"""
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WAKE_RESPONSE = ['(>|ti50_common)']
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START_STR = ['ti50_common']
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# List of all ti50 ccd capabilities. Same order of 'ccd' output.
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# This is not the same as cr50 list.
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CAP_NAMES = [
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'UartGscRxAPTx', 'UartGscTxAPRx', 'UartGscRxECTx', 'UartGscTxECRx',
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'UartGscRxFpmcuTx', 'UartGscTxFpmcuRx', 'FlashAP', 'FlashEC',
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'OverrideWP', 'RebootECAP', 'GscFullConsole', 'UnlockNoReboot',
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'UnlockNoShortPP', 'OpenNoTPMWipe', 'OpenNoLongPP',
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'BatteryBypassPP', 'I2C', 'FlashRead', 'OpenNoDevMode',
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'OpenFromUSB', 'OverrideBatt'
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]
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# Ti50 only supports v2
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AP_RO_VERSIONS = [2]
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def __init__(self, servo, faft_config):
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"""Initializes a ChromeCr50 object.
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@param servo: A servo object.
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@param faft_config: A faft config object.
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"""
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super(ChromeTi50, self).__init__(servo, 'cr50_uart')
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self.faft_config = faft_config
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# Update CCD_FORMAT to use ti50 version of CAP_NAMES.
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self.CCD_FORMAT['Capabilities'] = \
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'(Capabilities:.*(?P<Capabilities>%s))' % \
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(self.CAP_FORMAT.join(self.CAP_NAMES) + self.CAP_FORMAT)
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def set_ccd_level(self, level, password=''):
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if level == 'unlock':
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raise error.TestError(
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"Ti50 does not support privilege level unlock")
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super(ChromeTi50, self).set_ccd_level(level, password)
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def unlock_is_supported(self):
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return False
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def check_boot_mode(self, mode_exp='NORMAL'):
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"""Query the Ti50 boot mode, and compare it against mode_exp.
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Args:
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mode_exp: expected boot mode. It should be either 'NORMAL'
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or 'NO_BOOT'.
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Returns:
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True if the boot mode matches mode_exp.
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False, otherwise.
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Raises:
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TestError: Input parameter is not valid.
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"""
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# Ti50 implements EFS 2.1, Cr50 implements EFS 2.0. This means
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# 'NORMAL' is renamed to 'VERIFIED'. Ti50 also changes the case.
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rv = self.send_command_retry_get_output('ec_comm',
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[r'boot_mode\s*:\s*(Verified|NoBoot)'], safe=True)
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if mode_exp == 'NORMAL':
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return rv[0][1] == 'Verified'
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elif mode_exp == 'NO_BOOT':
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return rv[0][1] == 'NoBoot'
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else:
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raise error.TestError('parameter, mode_exp is not valid: %s' %
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mode_exp)
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