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#!/usr/bin/python -tt
# Copyright 2015-present Facebook. All rights reserved.
#
# This program file is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; version 2 of the License.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
# for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program in a file named COPYING; if not, write to the
# Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor,
# Boston, MA 02110-1301 USA
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
from __future__ import unicode_literals
from board_gpio_table import board_gpio_table
from soc_gpio_table import soc_gpio_table
import openbmc_gpio
import openbmc_gpio_table
import logging
import sys
def setup_board_gpio(soc_gpio_table, board_gpio_table, validate=True):
soc = openbmc_gpio_table.SocGPIOTable(soc_gpio_table)
gpio_configured = []
for gpio in board_gpio_table:
try:
soc.config_function(gpio.gpio, write_through=False)
gpio_configured.append(gpio.gpio)
except openbmc_gpio_table.ConfigUnknownFunction as e:
# not multiple-function GPIO pin
pass
except openbmc_gpio_table.NotSmartEnoughException as e:
logging.error('Failed to configure "%s" for "%s": %s'
% (gpio.gpio, gpio.shadow, str(e)))
soc.write_to_hw()
if validate:
all_functions = set(soc.get_active_functions(refresh=True))
for gpio in gpio_configured:
if gpio not in all_functions:
raise Exception('Failed to configure function "%s"' % gpio)
for gpio in board_gpio_table:
openbmc_gpio.gpio_export(gpio.gpio, gpio.shadow)
if gpio.value == openbmc_gpio_table.GPIO_INPUT:
continue
elif gpio.value == openbmc_gpio_table.GPIO_OUT_HIGH:
openbmc_gpio.gpio_set(gpio.gpio, 1)
elif gpio.value == openbmc_gpio_table.GPIO_OUT_LOW:
openbmc_gpio.gpio_set(gpio.gpio, 0)
else:
raise Exception('Invalid value "%s"' % gpio.value)
def main():
print('Setting up GPIOs ... ', end='')
sys.stdout.flush()
openbmc_gpio.setup_shadow()
setup_board_gpio(soc_gpio_table, board_gpio_table)
print('Done')
sys.stdout.flush()
return 0
if __name__ == '__main__':
sys.exit(main())
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