| # Lint as: python2, python3 |
| # Copyright 2025 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 |
| import time |
| |
| from autotest_lib.client.common_lib import error |
| from autotest_lib.server.cros.servo import chrome_ti50 |
| from autotest_lib.server.cros.servo import chrome_cr50 |
| |
| FW_NAME = 'ti50' |
| CHIP_NAME = 'g ti50 nt' |
| |
| |
| class ChromeTi50NT(chrome_ti50.ChromeTi50): |
| """Manages control of a Chrome Ti50 NT device. |
| |
| We control the Chrome Ti50 via the console of a Servo board. Chrome Ti50 |
| provides many interfaces to set and get its behavior via console commands. |
| This class is to abstract these interfaces. |
| """ |
| |
| RESET_FLAGS = { |
| 'RESET_FLAG_POWER_ON': 1 << 0, # POR |
| 'RESET_FLAG_HIBERNATE': 1 << 1, # LOW_POWER_EXIT |
| 'RESET_FLAG_HARD': 1 << 2, # SOFTWARE request hard reset |
| 'RESET_FLAG_RBOX': 1 << 3, # SYS_RST_AON |
| 'RESET_FLAG_WATCHDOG': 1 << 4, # AON_TIMER_AON |
| 'RESET_FLAG_BROWNOUT': 1 << 5, # PWRMGR_AON |
| 'RESET_FLAG_SECURITY': 1 << 6, # ALERT_HANDLER |
| } |
| |
| # Ti50 interrupt numbers reported in taskinfo |
| IRQ_DICT = { |
| 0: 'UART0_GRP0', |
| 1: 'UART1_GRP0', |
| 2: 'UART2_GRP0', |
| 3: 'UART3_GRP0', |
| 5: 'ADC0_GRP0', |
| 79: 'I2CS0_GRP0', |
| 99: 'RBOX0_GRP1', |
| 106: 'TIMER0_TIMER0_MATCH1', |
| 108: 'TIMER0_TIMER1_MATCH0', |
| 115: 'USB0_USBINTR', |
| 116: 'XO_CALIB', |
| 257: 'WAKEUP', |
| } |
| # =============================================================== |
| # Ti50 NT Image Names |
| GS_PRIVATE = 'gs://chromeos-localmirror-private/distfiles/' |
| GS_PUBLIC = 'gs://chromeos-localmirror/distfiles/' |
| # Node locked test images are in this private debug directory. |
| GS_PRIVATE_DBG = GS_PRIVATE + 'chromeos-ti50-debug-nt/' |
| # Ti50 NT tarball format |
| PROD_TAR = 'ti50-nt.r*.0.*%s%s.tar.xz' |
| # ti50-nt.dbg.0xDEVID0_0xDEVID1.bin.GIT_SHA.BID (SHA and BID are optional) |
| DEBUG_FILE = '*/ti50-nt.dbg.%s.bin.*%s' |
| # ti50_Unknown_NodeLocked-DEVID0-DEVID1_(signing key).bin |
| ERASEFLASHINFO_FILE = '*/ti50_Unknown_NodeLocked-%s_*.bin' |
| QUAL_VERSION_FILE = 'chromeos-ti50-nt-QUAL_VERSION' |
| |
| # Image prefix used by Chrome OS. |
| GSC_IMG_PREFIX = FW_NAME + '-nt' |
| NAME = GSC_IMG_PREFIX |
| # ChromeOS Ti50 firmware directory |
| DUT_FW = '/opt/google/ti50/firmware/' |
| |
| # Ti50 image in tarballs |
| PROD_FILE = 'ti50-nt.bin.prod' |
| # Ti50 CrOS image information |
| DUT_PROD = DUT_FW + GSC_IMG_PREFIX + '.bin.prod' |
| DUT_PREPVT = DUT_FW + GSC_IMG_PREFIX + '.bin.prepvt' |
| DUT_REMOVE_GSC_IMAGES = 'rm ' + DUT_FW + GSC_IMG_PREFIX + '*' |
| |
| # Ti50 FW is installed in 2 locations |
| DUT_PROD_PATHS = [DUT_PROD] |
| DUT_PREPVT_PATHS = [DUT_PREPVT] |
| ALWAYS_HAD_ROLLBACK_PRINT = True |
| CCD_DISABLE_RETRY_COUNT = 3 |
| |
| @chrome_cr50.dts_control_command |
| def ccd_disable(self, raise_error=True): |
| """Try to disable CCD with dts mode then try the CCD_MODE gpio""" |
| # TODO(b/455592006): use CCD_MODE to disable rdd. Remove this once the |
| # board issue has been fixed. |
| use_workaround = (self._servo.main_device_is_flex() |
| and "rdd_use_ccd_mode" |
| in self.faft_config.cr50_capability) |
| logging.debug("CCD workaround (%s): %r", use_workaround, |
| self.faft_config.cr50_capability) |
| super(ChromeTi50NT, self).ccd_disable(raise_error |
| and not use_workaround) |
| if not use_workaround: |
| return |
| for i in range(self.CCD_DISABLE_RETRY_COUNT): |
| logging.info('attempt %d: try ccd disable workaround', i) |
| # Give GSC some time for rdd state changes to propagate. |
| time.sleep(2) |
| self.send_command('ccd testlab open') |
| self.send_command('gpioset CCD_MODE_L 1') |
| self.wait_for_ccd_disable(raise_error=False) |
| if not self.ccd_is_enabled(): |
| logging.info('attempt %d: disabled ccd with workaround', i) |
| return |
| if raise_error: |
| raise error.TestError('Failed to disable CCD') |
