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Updated pmon2 sfp support
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@lkunjumon
lkunjumon committed May 27, 2021
1 parent 3d44892 commit 077fb39
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130 changes: 127 additions & 3 deletions platform/marvell-arm64/sonic-platform-db98cx8540-16cd/db98cx8540/sonic_platform/chassis.py
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,104 @@
SFP_PORT_START = 1
SFP_PORT_END = 132
PORT_END = 132


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SYSLOG_IDENTIFIER = "chassis"
logger = Logger()

Expand All @@ -35,6 +133,12 @@ class Chassis(ChassisBase):

reset_reason_dict[0x08] = ChassisBase.REBOOT_CAUSE_THERMAL_OVERLOAD_CPU
reset_reason_dict[0x10] = ChassisBase.REBOOT_CAUSE_WATCHDOG
PLATFORM_ROOT_PATH = "/usr/share/sonic/device"
PMON_HWSKU_PATH = "/usr/share/sonic/hwsku"
HOST_CHK_CMD = "docker > /dev/null 2>&1"
PLATFORM = "arm64-marvell_db98cx8540_16cd-r0"
HWSKU = "db98cx8540_16cd"


def __init__(self):
ChassisBase.__init__(self)
Expand All @@ -44,20 +148,40 @@ def __init__(self):
self.SFP_PORT_START = SFP_PORT_START
self.SFP_PORT_END = SFP_PORT_END
self.PORT_END = PORT_END

sai_profile_path=self.__get_path_to_sai_profile_file()
cmd = "cat " + sai_profile_path + " | grep hwId | cut -f2 -d="
port_profile = os.popen(cmd).read()
self._port_profile = port_profile.split("\n")[0]

if not os.path.exists("/sys/bus/i2c/devices/0-0050") :
os.system("echo optoe2 0x50 > /sys/bus/i2c/devices/i2c-0/new_device")
eeprom_path = '/sys/bus/i2c/devices/0-0050/eeprom'

for index in range(self.SFP_PORT_START, self.SFP_PORT_END+1):
i2cdev = 0
port_eeprom_path = eeprom_path
profile = sfputil_profiles[self._port_profile]
if not os.path.exists(port_eeprom_path):
logger.log_info(" DEBUG - path %s -- did not exist " % port_eeprom_path )
sfp_node = Sfp(index, 'SFP', port_eeprom_path, i2cdev )
self._sfp_list.append(sfp_node)

if index in profile:
sfp_node = Sfp(index, 'SFP', port_eeprom_path, i2cdev )
self._sfp_list.append(sfp_node)
self.sfp_event_initialized = False

# Instantiate ONIE system eeprom object
self._eeprom = Eeprom()

def __is_host(self):
return os.system(self.HOST_CHK_CMD) == 0

def __get_path_to_sai_profile_file(self):
platform_path = "/".join([self.PLATFORM_ROOT_PATH, self.PLATFORM])
hwsku_path = "/".join([platform_path, self.HWSKU]
) if self.__is_host() else self.PMON_HWSKU_PATH
return "/".join([hwsku_path, "sai.profile"])


def get_sfp(self, index):
"""
Retrieves sfp represented by (1-based) index <index>
Expand Down
2 changes: 1 addition & 1 deletion platform/marvell-arm64/sonic-platform-db98cx8540-16cd/db98cx8540/sonic_platform/eeprom.py
View file
Original file line number Diff line number Diff line change
Expand Up @@ -47,7 +47,7 @@ def __init__(self, is_psu=False, psu_index=0, is_fan=False, fan_index=0):

if self.is_sys_eeprom:
self.start_offset = 0
self.eeprom_path = self.I2C_DIR + "i2c-0/0-0050/eeprom"
self.eeprom_path = "/etc/sonic/eeprom"
# System EEPROM is in ONIE TlvInfo EEPROM format
super(Eeprom, self).__init__(self.eeprom_path,
self.start_offset, '', True)
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