sonic-buildimage/device/juniper/x86_64-juniper_qfx5200-r0/plugins/eeprom.py
ciju-juniper d1940b2cf4
[Juniper] Re-organizing sonic_platform modules (#4448)
This patch set implements the following:
 - Fixes the conflicts in chassis.py / platform.py in sonic_platfrom
 - Consolidating the common library files in sonic_platform
 - Moving QFX5210 specific drivers to qfx5210/modules
 - Moving Juniper common fpga drivers to common/modules
 - Cleaning up the platform driver files
 - Bug fixes in QFX5210 platform monitor & initialiazation script
 - Fixing the bugs in QFX5210 eeprom parsing

Signed-off-by: Ciju Rajan K <crajank@juniper.net>
2020-04-21 02:25:51 -07:00

64 lines
2.2 KiB
Python

#!/usr/bin/env python
#
# Name: eeprom.py version: 1.0
#
# Description: Platform-specific EEPROM interface for Juniper QFX5200
#
# Copyright (c) 2020, Juniper Networks, Inc.
# All rights reserved.
#
# Notice and Disclaimer: This code is licensed to you under the GNU General
# Public License as published by the Free Software Foundation, version 3 or
# any later version. This code is not an official Juniper product. You can
# obtain a copy of the License at <https://www.gnu.org/licenses/>
#
# OSS License:
#
# This program 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, either version 3 of the License, or
# (at your option) any later version.
#
# 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. If not, see <https://www.gnu.org/licenses/>.
#
# Third-Party Code: This code may depend on other components under separate
# copyright notice and license terms. Your use of the source code for those
# components is subject to the terms and conditions of the respective license
# as noted in the Third-Party source code file.
try:
import os
from sonic_eeprom import eeprom_tlvinfo
import syslog
from array import *
except ImportError, e:
raise ImportError (str(e) + "- required module not found")
SYSLOG_IDENTIFIER = "eeprom.py"
EEPROM_PATH = "/sys/bus/i2c/devices/0-0051/eeprom"
def log_error(msg):
syslog.openlog(SYSLOG_IDENTIFIER)
syslog.syslog(syslog.LOG_ERR, msg)
syslog.closelog()
class board(eeprom_tlvinfo.TlvInfoDecoder):
_TLV_INFO_MAX_LEN = 256
def __init__(self, name, path, cpld_root, ro):
if not os.path.exists(EEPROM_PATH):
log_error("Cannot find system eeprom")
raise RuntimeError("No syseeprom found")
self.eeprom_path = EEPROM_PATH
super(board, self).__init__(self.eeprom_path, 0, '', True)