| # Copyright 2021 The Chromium OS Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| """Guybrush configs.""" |
| |
| from chromite.lib.firmware import servo_lib |
| |
| BUILD_PACKAGES = ( |
| 'chromeos-ec', |
| 'coreboot', |
| 'depthcharge', |
| 'libpayload', |
| 'vboot_reference', |
| 'chromeos-bootimage', |
| 'coreboot-private-files-board', |
| 'coreboot-private-files-chipset', |
| 'amd-cezanne-fsp', |
| ) |
| |
| |
| def get_config(servo: servo_lib.Servo) -> servo_lib.FirmwareConfig: |
| """Get specific flash config for Guybrush. |
| |
| Each board needs specific config including the voltage for Vref, to turn |
| on and turn off the SPI flash. get_config() returns servo_lib.FirmwareConfig |
| with settings to flash a servo for a particular build target. |
| The voltage for this board needs to be set to 1.8 V. |
| |
| Args: |
| servo: The servo connected to the target DUT. |
| |
| Returns: |
| servo_lib.FirmwareConfig: |
| dut_control_{on, off}=2d arrays formatted like [["cmd1", "arg1", "arg2"], |
| ["cmd2", "arg3", "arg4"]] |
| where cmd1 will be run before cmd2. |
| programmer=programmer argument (-p) for flashrom and futility. |
| """ |
| dut_control_on = [] |
| dut_control_off = [] |
| |
| # Common flashing sequence for C2D2 and CCD |
| # Shutdown AP so that it enters G3 state. |
| dut_control_on.append(['ec_uart_cmd:apshutdown']) |
| # Sleep to ensure the SoC rails get chance to discharge enough. |
| dut_control_on.append(['sleep:5']) |
| |
| if servo.is_c2d2: |
| dut_control_on.append(['ap_flash_select:on']) |
| dut_control_on.append(['spi2_vref:pp1800']) |
| dut_control_off.append(['spi2_vref:off']) |
| dut_control_off.append(['ap_flash_select:off']) |
| programmer = 'raiden_debug_spi:serial=%s' % servo.serial |
| elif servo.is_micro: |
| # Note servo micro is only supported for dauntless daughterboard for |
| # a limited time. Once Dauntless moves to MLB, there will be no 50-pin |
| # servo connector to attach servo micro to. |
| dut_control_on.append(['ec_uart_cmd:apshutdown']) |
| dut_control_on.append([ |
| 'spi2_vref:pp1800', |
| 'spi2_buf_en:on', |
| 'spi2_buf_on_flex_en:on', |
| 'spi_hold:off', |
| ]) |
| dut_control_off.append([ |
| 'spi2_vref:off', |
| 'spi2_buf_en:off', |
| 'spi2_buf_on_flex_en:off', |
| 'spi_hold:off', |
| ]) |
| dut_control_off.append(['ec_uart_cmd:powerb']) |
| programmer = 'raiden_debug_spi:serial=%s' % servo.serial |
| elif servo.is_ccd: |
| dut_control_off.append(['power_state:reset']) |
| programmer = ('raiden_debug_spi:target=AP,custom_rst=True,serial=%s' % |
| servo.serial) |
| else: |
| raise servo_lib.UnsupportedServoVersionError('%s not supported' % |
| servo.version) |
| |
| return servo_lib.FirmwareConfig(dut_control_on, dut_control_off, programmer) |
