[Centec][arm64] support new board E530-48s4x and E530-24x2q (#7189)

1. support new board E530-48s4x E530-24x2q
2. optimize platform driver for Centec TsingMa board

Co-authored-by: shi lei <shil@centecnetworks.com>

device/centec/arm64-centec_e530_24x2c-r0/E530-24x2c/port_config.ini

@@ -1,27 +1,27 @@
-# name lanes  alias             speed
+# name          lanes          alias             index     speed    fec
-Ethernet1         0              eth-0-1         10000
+Ethernet0       0              eth-0-1           0         10000    none
-Ethernet2         1              eth-0-2         10000
+Ethernet1       1              eth-0-2           1         10000    none
-Ethernet3         2              eth-0-3         10000
+Ethernet2       2              eth-0-3           2         10000    none
-Ethernet4         3              eth-0-4         10000
+Ethernet3       3              eth-0-4           3         10000    none
-Ethernet5         8              eth-0-5         10000
+Ethernet4       8              eth-0-5           4         10000    none
-Ethernet6         9              eth-0-6         10000
+Ethernet5       9              eth-0-6           5         10000    none
-Ethernet7         10             eth-0-7         10000
+Ethernet6       10             eth-0-7           6         10000    none
-Ethernet8         11             eth-0-8         10000
+Ethernet7       11             eth-0-8           7         10000    none
-Ethernet9         20             eth-0-9         10000
+Ethernet8       20             eth-0-9           8         10000    none
-Ethernet10        21             eth-0-10        10000  
+Ethernet9       21             eth-0-10          9         10000    none
-Ethernet11        22             eth-0-11        10000
+Ethernet10      22             eth-0-11          10        10000    none
-Ethernet12        23             eth-0-12        10000
+Ethernet11      23             eth-0-12          11        10000    none
-Ethernet13        12             eth-0-13        10000
+Ethernet12      12             eth-0-13          12        10000    none
-Ethernet14        13             eth-0-14        10000
+Ethernet13      13             eth-0-14          13        10000    none
-Ethernet15        14             eth-0-15        10000
+Ethernet14      14             eth-0-15          14        10000    none
-Ethernet16        15             eth-0-16        10000
+Ethernet15      15             eth-0-16          15        10000    none
-Ethernet17        24             eth-0-17        10000
+Ethernet16      24             eth-0-17          16        10000    none
-Ethernet18        25             eth-0-18        10000
+Ethernet17      25             eth-0-18          17        10000    none
-Ethernet19        26             eth-0-19        10000
+Ethernet18      26             eth-0-19          18        10000    none
-Ethernet20        27             eth-0-20        10000
+Ethernet19      27             eth-0-20          19        10000    none
-Ethernet21        28             eth-0-21        10000
+Ethernet20      28             eth-0-21          20        10000    none
-Ethernet22        29             eth-0-22        10000
+Ethernet21      29             eth-0-22          21        10000    none
-Ethernet23        30             eth-0-23        10000
+Ethernet22      30             eth-0-23          22        10000    none
-Ethernet24        31             eth-0-24        10000
+Ethernet23      31             eth-0-24          23        10000    none
-Ethernet25        61,60,63,62    eth-0-25        100000
+Ethernet24      61,60,63,62    eth-0-25          24        100000   none
-Ethernet26        45,44,47,46    eth-0-26        100000
+Ethernet25      45,44,47,46    eth-0-26          25        100000   none

device/centec/arm64-centec_e530_24x2c-r0/fancontrol

@@ -1 +1,12 @@
 # Configuration file generated by pwmconfig, changes will be lost
+INTERVAL=10
+DEVPATH=hwmon1=devices/platform/soc/soc:fan-ctc5236
+DEVNAME=hwmon1=ctc5236fan
+FCTEMPS=hwmon1/pwm1=hwmon1/temp1_input hwmon1/pwm2=hwmon1/temp1_input hwmon1/pwm3=hwmon1/temp1_input
+FCFANS=hwmon1/pwm1=hwmon1/fan1_input hwmon1/pwm2=hwmon1/fan2_input hwmon1/pwm3=hwmon1/fan3_input
+MINTEMP=hwmon1/pwm1=30 hwmon1/pwm2=30 hwmon1/pwm3=30
+MAXTEMP=hwmon1/pwm1=90 hwmon1/pwm2=90 hwmon1/pwm3=90
+MINSTART=hwmon1/pwm1=12 hwmon1/pwm2=12 hwmon1/pwm3=12
+MINSTOP=hwmon1/pwm1=6 hwmon1/pwm2=6 hwmon1/pwm3=6
+MINPWM=hwmon1/pwm1=6 hwmon1/pwm2=6 hwmon1/pwm3=6
+MAXPWM=hwmon1/pwm1=18 hwmon1/pwm2=18 hwmon1/pwm3=18

device/centec/arm64-centec_e530_24x2c-r0/platform_components.json

@@ -0,0 +1,8 @@
+{
+        "chassis": {
+                "E530-24x2c": {
+                        "component": {
+                        }
+                }
+        }
+}

device/centec/arm64-centec_e530_24x2c-r0/platform_reboot

@@ -0,0 +1,11 @@
+#!/usr/bin/python
+import os
+
+def main():
+    # reboot the system
+    os.system('echo 502 > /sys/class/gpio/export')
+    os.system('echo out > /sys/class/gpio/gpio502/direction')
+    os.system('echo 1 > /sys/class/gpio/gpio502/value')
+
+if __name__ == "__main__":
+    main()

device/centec/arm64-centec_e530_24x2c-r0/plugins/eeprom.py

@@ -1,3 +1,5 @@
+#!/usr/bin/env python
+
 #############################################################################
 # Centec E550-24X8Y2C
 #
@@ -10,7 +12,7 @@
 try:
     from sonic_eeprom import eeprom_tlvinfo
 except ImportError as e:
-    raise ImportError(str(e) + "- required module not found")
+    raise ImportError (str(e) + "- required module not found")
 
 
 class board(eeprom_tlvinfo.TlvInfoDecoder):

device/centec/arm64-centec_e530_24x2c-r0/plugins/led_control.py

@@ -1,3 +1,4 @@
+#!/usr/bin/env python
 #
 # led_control.py
 #
@@ -5,37 +6,110 @@
 #
 
 try:
-    from sonic_led.led_control_base import LedControlBase
+    import os
+    import re
     import syslog
-    from socket import *
+    import collections
-    from select import *
+    from sonic_led.led_control_base import LedControlBase
+    from sonic_py_common import device_info
 except ImportError as e:
     raise ImportError(str(e) + " - required module not found")
 
+USR_SHARE_SONIC_PATH = "/usr/share/sonic"
+HOST_DEVICE_PATH = USR_SHARE_SONIC_PATH + "/device"
+CONTAINER_PLATFORM_PATH = USR_SHARE_SONIC_PATH + "/platform"
 
 def DBG_PRINT(str):
     syslog.openlog("centec-led")
     syslog.syslog(syslog.LOG_INFO, str)
     syslog.closelog()
 
-
 class LedControl(LedControlBase):
     """Platform specific LED control class"""
 
+    # Constructor
+    def __init__(self):
+
+        self.mac_to_led = {
+            0:  1,
+            1:  2,
+            2:  3,
+            3:  4,
+            8:  5,
+            9:  6,
+            10: 7,
+            11: 8,
+            20: 9,
+            21:10,
+            22:11,
+            23:12,
+            12:13,
+            13:14,
+            14:15,
+            15:16,
+            24:17,
+            25:18,
+            26:19,
+            27:20,
+            28:21,
+            29:22,
+            30:23,
+            31:24,
+            61:-1,
+            60:25,
+            63:-1,
+            62:-1,
+            45:-1,
+            44:26,
+            47:-1,
+            46:-1,
+        }
+
+        if os.path.isdir(CONTAINER_PLATFORM_PATH):
+            platform_path = CONTAINER_PLATFORM_PATH
+        else:
+            platform = device_info.get_platform()
+            if platform is None:
+                raise
+            platform_path = os.path.join(HOST_DEVICE_PATH, platform)
+
+        port_config_file = "/".join([platform_path, "E530-24x2c", "port_config.ini"])
+        try:
+            f = open(port_config_file)
+        except:
+            raise
+        for line in f:
+            line.strip()
+            if re.search('^#', line) is not None:
+                Port_cfg = collections.namedtuple('Port_cfg', line.split()[1:])
+                break
+        f.close()
+        f = open(port_config_file)
+        self._port_cfgs = [Port_cfg(*tuple((line.strip().split())))
+                           for line in f if re.search('^#', line) is None]
+        f.close()
+
+        self.LED_MODE_UP = [11, 11]
+        self.LED_MODE_DOWN = [7, 7]
+        self.f_led = "/sys/class/leds/{}/brightness"
+        self._initDefaultConfig()
+
     # Helper method to map SONiC port name to index
     def _port_name_to_index(self, port_name):
-        # Strip "Ethernet" off port name
+        for port_cfg in self._port_cfgs:
-        if not port_name.startswith(self.SONIC_PORT_NAME_PREFIX):
+            if port_name == port_cfg.name:
-            return -1
+                macs = [int(x) for x in (port_cfg.lanes.split(','))]
-
+                led = self.mac_to_led[min(macs)]
-        port_idx = int(port_name[len(self.SONIC_PORT_NAME_PREFIX):])
+                if led < 0:
-        return port_idx
+                    return None
+                return led
+        return None
 
     def _port_state_to_mode(self, port_idx, state):
         if state == "up":
-            return self.LED_MODE_UP[0] if (port_idx < 25) else self.LED_MODE_UP[1]
+            return self.LED_MODE_UP[1] if port_idx == 25 or port_idx == 26 else self.LED_MODE_UP[0]
         else:
-            return self.LED_MODE_DOWN[0] if (port_idx < 25) else self.LED_MODE_DOWN[1]
+            return self.LED_MODE_DOWN[1] if port_idx == 25 or port_idx == 26 else self.LED_MODE_DOWN[0]
 
     def _port_led_mode_update(self, port_idx, ledMode):
         with open(self.f_led.format("port{}".format(port_idx)), 'w') as led_file:
@@ -57,11 +131,15 @@ class LedControl(LedControlBase):
             shouldInit = (int(led_file.read()) == 0)
 
         if shouldInit == True:
-            for idx in range(1, 27):
+            for port_cfg in self._port_cfgs:
-                defmode = self._port_state_to_mode(idx, "down")
+                macs = [int(x) for x in (port_cfg.lanes.split(','))]
-                with open(self.f_led.format("port{}".format(idx)), 'w') as led_file:
+                led = self.mac_to_led[min(macs)]
+                if led < 0:
+                    continue
+                defmode = self._port_state_to_mode(led, "down")
+                with open(self.f_led.format("port{}".format(led)), 'w') as led_file:
                     led_file.write(str(defmode))
-                    DBG_PRINT("init port{} led to mode={}".format(idx, defmode))
+                    DBG_PRINT("init port{} led to mode={}".format(led, defmode))
 
     def _initDefaultConfig(self):
         DBG_PRINT("start init led")
@@ -72,9 +150,10 @@ class LedControl(LedControlBase):
         DBG_PRINT("init led done")
 
     # Concrete implementation of port_link_state_change() method
-
     def port_link_state_change(self, portname, state):
         port_idx = self._port_name_to_index(portname)
+        if port_idx is None:
+            return
         ledMode = self._port_state_to_mode(port_idx, state)
         with open(self.f_led.format("port{}".format(port_idx)), 'r') as led_file:
             saveMode = int(led_file.read())
@@ -84,13 +163,3 @@ class LedControl(LedControlBase):
 
         self._port_led_mode_update(port_idx, ledMode)
         DBG_PRINT("update {} led mode from {} to {}".format(portname, saveMode, ledMode))
-
-    # Constructor
-
-    def __init__(self):
-        self.SONIC_PORT_NAME_PREFIX = "Ethernet"
-        self.LED_MODE_UP = [11, 11]
-        self.LED_MODE_DOWN = [7, 7]
-
-        self.f_led = "/sys/class/leds/{}/brightness"
-        self._initDefaultConfig()

device/centec/arm64-centec_e530_24x2c-r0/plugins/psuutil.py

@@ -1,3 +1,5 @@
+#!/usr/bin/env python
+
 #############################################################################
 # Centec
 #
@@ -9,8 +11,7 @@
 try:
     from sonic_psu.psu_base import PsuBase
 except ImportError as e:
-    raise ImportError(str(e) + "- required module not found")
+    raise ImportError (str(e) + "- required module not found")
-
 
 class PsuUtil(PsuBase):
     """Platform-specific PSUutil class"""

device/centec/arm64-centec_e530_24x2c-r0/plugins/sfputil.py

@@ -1,28 +1,117 @@
+#!/usr/bin/env python
+
 # sfputil.py
 #
 # Platform-specific SFP transceiver interface for SONiC
 #
 
 try:
+    import os
+    import re
     import time
-    from socket import *
+    import collections
-    from select import *
     from sonic_sfp.sfputilbase import SfpUtilBase
+    from sonic_py_common import device_info
 except ImportError as e:
     raise ImportError("%s - required module not found" % str(e))
 
-
-def DBG_PRINT(str):
-    print(str + "\n")
-
-
 SFP_STATUS_INSERTED = '1'
 SFP_STATUS_REMOVED = '0'
-
+USR_SHARE_SONIC_PATH = "/usr/share/sonic"
+HOST_DEVICE_PATH = USR_SHARE_SONIC_PATH + "/device"
+CONTAINER_PLATFORM_PATH = USR_SHARE_SONIC_PATH + "/platform"
 
 class SfpUtil(SfpUtilBase):
     """Platform-specific SfpUtil class"""
 
+    def __init__(self):
+        self.mac_to_sfp = {
+            0:  1,
+            1:  2,
+            2:  3,
+            3:  4,
+            8:  5,
+            9:  6,
+            10: 7,
+            11: 8,
+            20: 9,
+            21:10,
+            22:11,
+            23:12,
+            12:13,
+            13:14,
+            14:15,
+            15:16,
+            24:17,
+            25:18,
+            26:19,
+            27:20,
+            28:21,
+            29:22,
+            30:23,
+            31:24,
+            61:25,
+            60:25,
+            63:25,
+            62:25,
+            45:26,
+            44:26,
+            47:26,
+            46:26,
+        }
+        self.logical = []
+        self.physical_to_logical = {}
+        self.logical_to_physical = {}
+        self.logical_to_asic = {}
+        self.data = {'valid':0, 'last':0}
+        self.f_sfp_present = "/sys/class/sfp/sfp{}/sfp_presence"
+        self.f_sfp_enable = "/sys/class/sfp/sfp{}/sfp_enable"
+
+        if os.path.isdir(CONTAINER_PLATFORM_PATH):
+            platform_path = CONTAINER_PLATFORM_PATH
+        else:
+            platform = device_info.get_platform()
+            if platform is None:
+                raise
+            platform_path = os.path.join(HOST_DEVICE_PATH, platform)
+
+        port_config_file = "/".join([platform_path, "E530-24x2c", "port_config.ini"])
+        try:
+            f = open(port_config_file)
+        except:
+            raise
+        for line in f:
+            line.strip()
+            if re.search('^#', line) is not None:
+                Port_cfg = collections.namedtuple('Port_cfg', line.split()[1:])
+                break
+        f.close()
+        f = open(port_config_file)
+        self._port_cfgs = [Port_cfg(*tuple((line.strip().split())))
+                           for line in f if re.search('^#', line) is None]
+        f.close()
+
+        self.PORT_START = 256
+        self.PORT_END = 0
+        for port_cfg in self._port_cfgs:
+            if int(port_cfg.index) <= self.PORT_START:
+                self.PORT_START = int(port_cfg.index)
+            elif int(port_cfg.index) >= self.PORT_END:
+                self.PORT_END = int(port_cfg.index)
+
+        self.eeprom_mapping = {}
+        self.presence = {}
+        for port_cfg in self._port_cfgs:
+            sfp_idx = self.mac_to_sfp[int(port_cfg.lanes.split(',')[0])]
+            if sfp_idx > 0:
+                self.eeprom_mapping[int(port_cfg.index)] = "/sys/class/sfp/sfp{}/sfp_eeprom".format(sfp_idx)
+                self.logical.append(port_cfg.name)
+            else:
+                self.eeprom_mapping[int(port_cfg.index)] = None
+            self.presence[int(port_cfg.index)] = False
+
+        SfpUtilBase.__init__(self)
+
     @property
     def port_start(self):
         return self.PORT_START
@@ -33,11 +122,20 @@ class SfpUtil(SfpUtilBase):
 
     @property
     def sfp_base(self):
-        return self.SFP_BASE
+        return self.PORT_START
 
     @property
     def qsfp_ports(self):
-        return list(range(25, self.PORTS_IN_BLOCK + 1))
+        start = 256
+        end = 0
+        for port_cfg in self._port_cfgs:
+            sfp_idx = self.mac_to_sfp[int(port_cfg.lanes.split(',')[0])]
+            if sfp_idx == 25 or sfp_idx == 26:
+                if int(port_cfg.index) <= start:
+                    start = int(port_cfg.index)
+                elif int(port_cfg.index) >= end:
+                    end = int(port_cfg.index)
+        return range(start, end + 1)
 
     @property
     def port_to_eeprom_mapping(self):
@@ -46,93 +144,32 @@ class SfpUtil(SfpUtilBase):
     def is_logical_port(self, port_name):
         return True
 
-    def get_eeprom_data(self, port):
-        ret = None
-        port_num = self.get_logical_to_physical(port)[0]
-        if port_num < self.port_start or port_num > self.port_end:
-            return ret
-        if port_num < self.sfp_base:
-            return ret
-        try:
-            with open(self.eeprom_mapping[port_num], 'r') as eeprom_file:
-                ret = eeprom_file.read()
-        except IOError as e:
-            DBG_PRINT(str(e))
-
-        return ret
-
-    # todo
-    # def _get_port_eeprom_path(self, port_num, devid):
-    #    pass
-
-    def __init__(self):
-        self.SONIC_PORT_NAME_PREFIX = "Ethernet"
-        self.PORT_START = 1
-        self.PORT_END = 26
-        self.SFP_BASE = 1
-        self.PORTS_IN_BLOCK = 26
-        self.logical = []
-        self.physical_to_logical = {}
-        self.logical_to_physical = {}
-
-        self.eeprom_mapping = {}
-        self.f_sfp_present = "/sys/class/sfp/sfp{}/sfp_presence"
-        self.f_sfp_enable = "/sys/class/sfp/sfp{}/sfp_enable"
-        for x in range(self.port_start, self.sfp_base):
-            self.eeprom_mapping[x] = None
-        for x in range(self.sfp_base, self.port_end + 1):
-            self.eeprom_mapping[x] = "/sys/class/sfp/sfp{}/sfp_eeprom".format(
-                x - self.sfp_base + 1)
-        self.presence = {}
-        for x in range(self.sfp_base, self.port_end + 1):
-            self.presence[x] = False
-
-        SfpUtilBase.__init__(self)
-
-        for x in range(self.sfp_base, self.port_end + 1):
-            self.logical.append('Ethernet' + str(x))
-
     def get_presence(self, port_num):
-        # Check for invalid port_num
+        for port_cfg in self._port_cfgs:
-        if port_num < self.port_start or port_num > self.port_end:
+            if int(port_cfg.index) == port_num:
-            return False
+                sfp_idx = self.mac_to_sfp[int(port_cfg.lanes.split(',')[0])]
-        if port_num < self.sfp_base:
+                if sfp_idx >= 0:
-            return False
+                    try:
-        try:
+                        with open(self.f_sfp_present.format(sfp_idx), 'r') as sfp_file:
-            with open(self.f_sfp_present.format(port_num - self.sfp_base + 1), 'r') as sfp_file:
+                            return 1 == int(sfp_file.read())
-                return 1 == int(sfp_file.read())
+                    except IOError as e:
-        except IOError as e:
+                        DBG_PRINT(str(e))
-            DBG_PRINT(str(e))
-
         return False
 
     def get_low_power_mode(self, port_num):
-        # Check for invalid port_num
-        if port_num < self.port_start or port_num > self.port_end:
-            return False
-
         return False
 
     def set_low_power_mode(self, port_num, lpmode):
-        # Check for invalid port_num
-        if port_num < self.port_start or port_num > self.port_end:
-            return False
-
         return False
 
     def reset(self, port_num):
-        # Check for invalid port_num
-        if port_num < self.port_start or port_num > self.port_end:
-            return False
-
         return False
 
-    def read_porttab_mappings(self, porttabfile):
+    def read_porttab_mappings(self, porttabfile, asic_inst = 0):
-        for x in range(self.sfp_base, self.port_end + 1):
+        for port_cfg in self._port_cfgs:
-            self.logical_to_physical['Ethernet' + str(x)] = [x]
+            self.logical_to_physical[port_cfg.name] = [int(port_cfg.index)]
-            self.physical_to_logical[x] = ['Ethernet' + str(x)]
+            self.logical_to_asic[port_cfg.name] = 0
-
+            self.physical_to_logical[int(port_cfg.index)] = [port_cfg.name]
-    data = {'valid': 0, 'last': 0}
 
     def get_transceiver_change_event(self, timeout=2000):
         now = time.time()
@@ -140,19 +177,19 @@ class SfpUtil(SfpUtilBase):
 
         if timeout < 1000:
             timeout = 1000
-            timeout = (timeout) / float(1000)  # Convert to secs
+        timeout = (timeout) / float(1000) # Convert to secs
 
         if now < (self.data['last'] + timeout) and self.data['valid']:
             return True, {}
 
-        for x in range(self.sfp_base, self.port_end + 1):
+        for port_cfg in self._port_cfgs:
-            presence = self.get_presence(x)
+            presence = self.get_presence(int(port_cfg.index))
-            if presence != self.presence[x]:
+            if presence != self.presence[int(port_cfg.index)]:
-                self.presence[x] = presence
+                self.presence[int(port_cfg.index)] = presence
                 if presence:
-                    port_dict[x] = SFP_STATUS_INSERTED
+                    port_dict[int(port_cfg.index)] = SFP_STATUS_INSERTED
                 else:
-                    port_dict[x] = SFP_STATUS_REMOVED
+                    port_dict[int(port_cfg.index)] = SFP_STATUS_REMOVED
 
         if bool(port_dict):
             self.data['last'] = now

device/centec/arm64-centec_e530_24x2c-r0/pmon_daemon_control.json

@@ -0,0 +1,3 @@
+{
+
+}

device/centec/arm64-centec_e530_24x2q-r0/E530-24x2q/buffers.json.j2

@@ -0,0 +1,70 @@
+{# Default values which will be used if no actual configura available #}
+{% set default_cable = '40m' %}
+{% set default_ports_num = 54 -%}
+
+{# Port configuration to cable length look-up table #}
+{# Each record describes mapping of DUT (DUT port) role and neighbor role to cable length #}
+{# Roles described in the minigraph #}
+{% set ports2cable = {
+        'torrouter_server'       : '5m',
+        'leafrouter_torrouter'   : '40m',
+        'spinerouter_leafrouter' : '300m'
+        }
+%}
+
+{%- macro cable_length(port_name) -%}
+    {%- set cable_len = [] -%}
+    {%- for local_port in DEVICE_NEIGHBOR -%}
+        {%- if local_port == port_name -%}
+            {%- if DEVICE_NEIGHBOR_METADATA[DEVICE_NEIGHBOR[local_port].name] -%}
+                {%- set neighbor = DEVICE_NEIGHBOR_METADATA[DEVICE_NEIGHBOR[local_port].name] -%}
+                {%- set neighbor_role = neighbor.type -%}
+                {%- set roles1 = switch_role + '_' + neighbor_role %}
+                {%- set roles2 = neighbor_role + '_' + switch_role -%}
+                {%- set roles1 = roles1 | lower -%}
+                {%- set roles2 = roles2 | lower -%}
+                {%- if roles1 in ports2cable -%}
+                    {%- if cable_len.append(ports2cable[roles1]) -%}{%- endif -%}
+                {%- elif roles2 in ports2cable -%}
+                    {%- if cable_len.append(ports2cable[roles2]) -%}{%- endif -%}
+                {%- endif -%}
+            {%- endif -%}
+        {%- endif -%}
+    {%- endfor -%}
+    {%- if cable_len -%}
+        {{ cable_len.0 }}
+    {%- else -%}
+        {{ default_cable }}
+    {%- endif -%}
+{% endmacro %}
+
+{%- if DEVICE_METADATA is defined %}
+{%- set switch_role = DEVICE_METADATA['localhost']['type'] %}
+{%- endif -%}
+
+{# Generate list of ports if not defined #}
+{% if PORT is not defined %}
+    {% set PORT = [] %}
+    {% for port_idx in range(1,default_ports_num+1) %}
+        {% if PORT.append("Ethernet%d" % (port_idx)) %}{% endif %}
+    {% endfor %}
+{% endif -%}
+
+{% set port_names_list = [] %}
+{% for port in PORT %}
+    {%- if port_names_list.append(port) %}{% endif %}
+{% endfor %}
+{% set port_names = port_names_list | join(',') -%}
+
+{
+    "CABLE_LENGTH": {
+        "AZURE": {
+    {% for port in PORT %}
+        {% set cable = cable_length(port) -%}
+        "{{ port }}": "{{ cable }}"{%- if not loop.last -%},{% endif %}
+
+    {% endfor %}
+    }
+    }
+}
+

device/centec/arm64-centec_e530_24x2q-r0/E530-24x2q/pg_profile_lookup.ini

@@ -0,0 +1,21 @@
+# PG lossless profiles.
+# speed cable size    xon  xoff threshold
+   1000  5m   34816  18432 16384  0
+  10000  5m   34816  18432 16384  0
+  25000  5m   34816  18432 16384  0
+  40000  5m   34816  18432 16384  0
+  50000  5m   34816  18432 16384  0
+ 100000  5m   36864  18432 18432  0
+   1000  40m  36864  18432 18432  0
+  10000  40m  36864  18432 18432  0
+  25000  40m  39936  18432 21504  0
+  40000  40m  41984  18432 23552  0
+  50000  40m  41984  18432 23552  0
+ 100000  40m  54272  18432 35840  0
+   1000  300m 49152  18432 30720  0
+  10000  300m 49152  18432 30720  0
+  25000  300m 71680  18432 53248  0
+  40000  300m 94208  18432 75776  0
+  50000  300m 94208  18432 75776  0
+ 100000  300m 184320 18432 165888 0
+

device/centec/arm64-centec_e530_24x2q-r0/E530-24x2q/port_config.ini

@@ -0,0 +1,27 @@
+# name          lanes          alias             index     speed    fec
+Ethernet0       0              eth-0-1           0         10000    none
+Ethernet1       1              eth-0-2           1         10000    none
+Ethernet2       2              eth-0-3           2         10000    none
+Ethernet3       3              eth-0-4           3         10000    none
+Ethernet4       8              eth-0-5           4         10000    none
+Ethernet5       9              eth-0-6           5         10000    none
+Ethernet6       10             eth-0-7           6         10000    none
+Ethernet7       11             eth-0-8           7         10000    none
+Ethernet8       20             eth-0-9           8         10000    none
+Ethernet9       21             eth-0-10          9         10000    none
+Ethernet10      22             eth-0-11          10        10000    none
+Ethernet11      23             eth-0-12          11        10000    none
+Ethernet12      12             eth-0-13          12        10000    none
+Ethernet13      13             eth-0-14          13        10000    none
+Ethernet14      14             eth-0-15          14        10000    none
+Ethernet15      15             eth-0-16          15        10000    none
+Ethernet16      24             eth-0-17          16        10000    none
+Ethernet17      25             eth-0-18          17        10000    none
+Ethernet18      26             eth-0-19          18        10000    none
+Ethernet19      27             eth-0-20          19        10000    none
+Ethernet20      28             eth-0-21          20        10000    none
+Ethernet21      29             eth-0-22          21        10000    none
+Ethernet22      30             eth-0-23          22        10000    none
+Ethernet23      31             eth-0-24          23        10000    none
+Ethernet24      61,60,63,62    eth-0-25          24        40000    none
+Ethernet25      45,44,47,46    eth-0-26          25        40000    none

device/centec/arm64-centec_e530_24x2q-r0/E530-24x2q/qos.json.j2

@@ -0,0 +1 @@
+{%- include 'qos_config.j2' %}

device/centec/arm64-centec_e530_24x2q-r0/E530-24x2q/sai.profile

@@ -0,0 +1,2 @@
+SAI_INIT_CONFIG_FILE=/etc/centec/E530-24x2q-chip-profile.txt
+SAI_HW_PORT_PROFILE_ID_CONFIG_FILE=/etc/centec/E530-24x2q-datapath-cfg.txt

device/centec/arm64-centec_e530_24x2q-r0/default_sku

@@ -0,0 +1 @@
+E530-24x2q l2

device/centec/arm64-centec_e530_24x2q-r0/fancontrol

@@ -0,0 +1,12 @@
+# Configuration file generated by pwmconfig, changes will be lost
+INTERVAL=10
+DEVPATH=hwmon1=devices/platform/soc/soc:fan-ctc5236
+DEVNAME=hwmon1=ctc5236fan
+FCTEMPS=hwmon1/pwm1=hwmon1/temp1_input hwmon1/pwm2=hwmon1/temp1_input hwmon1/pwm3=hwmon1/temp1_input
+FCFANS=hwmon1/pwm1=hwmon1/fan1_input hwmon1/pwm2=hwmon1/fan2_input hwmon1/pwm3=hwmon1/fan3_input
+MINTEMP=hwmon1/pwm1=30 hwmon1/pwm2=30 hwmon1/pwm3=30
+MAXTEMP=hwmon1/pwm1=90 hwmon1/pwm2=90 hwmon1/pwm3=90
+MINSTART=hwmon1/pwm1=12 hwmon1/pwm2=12 hwmon1/pwm3=12
+MINSTOP=hwmon1/pwm1=6 hwmon1/pwm2=6 hwmon1/pwm3=6
+MINPWM=hwmon1/pwm1=6 hwmon1/pwm2=6 hwmon1/pwm3=6
+MAXPWM=hwmon1/pwm1=18 hwmon1/pwm2=18 hwmon1/pwm3=18

device/centec/arm64-centec_e530_24x2q-r0/platform_components.json

@@ -0,0 +1,8 @@
+{
+        "chassis": {
+                "E530-24x2q": {
+                        "component": {
+                        }
+                }
+        }
+}

device/centec/arm64-centec_e530_24x2q-r0/platform_reboot

@@ -0,0 +1,11 @@
+#!/usr/bin/python
+import os
+
+def main():
+    # reboot the system
+    os.system('echo 502 > /sys/class/gpio/export')
+    os.system('echo out > /sys/class/gpio/gpio502/direction')
+    os.system('echo 1 > /sys/class/gpio/gpio502/value')
+
+if __name__ == "__main__":
+    main()

device/centec/arm64-centec_e530_24x2q-r0/plugins/eeprom.py

@@ -0,0 +1,22 @@
+#!/usr/bin/env python
+
+#############################################################################
+# Centec E550-24X8Y2C
+#
+# Platform and model specific eeprom subclass, inherits from the base class,
+# and provides the followings:
+# - the eeprom format definition
+# - specific encoder/decoder if there is special need
+#############################################################################
+
+try:
+    from sonic_eeprom import eeprom_tlvinfo
+except ImportError as e:
+    raise ImportError (str(e) + "- required module not found")
+
+
+class board(eeprom_tlvinfo.TlvInfoDecoder):
+
+    def __init__(self, name, path, cpld_root, ro):
+        self.eeprom_path = "/dev/mtd3"
+        super(board, self).__init__(self.eeprom_path, 0, '', True)

device/centec/arm64-centec_e530_24x2q-r0/plugins/led_control.py

@@ -0,0 +1,165 @@
+#!/usr/bin/env python
+#
+# led_control.py
+#
+# Platform-specific LED control functionality for SONiC
+#
+
+try:
+    import os
+    import re
+    import syslog
+    import collections
+    from sonic_led.led_control_base import LedControlBase
+    from sonic_py_common import device_info
+except ImportError as e:
+    raise ImportError(str(e) + " - required module not found")
+
+USR_SHARE_SONIC_PATH = "/usr/share/sonic"
+HOST_DEVICE_PATH = USR_SHARE_SONIC_PATH + "/device"
+CONTAINER_PLATFORM_PATH = USR_SHARE_SONIC_PATH + "/platform"
+
+def DBG_PRINT(str):
+    syslog.openlog("centec-led")
+    syslog.syslog(syslog.LOG_INFO, str)
+    syslog.closelog()
+
+class LedControl(LedControlBase):
+    """Platform specific LED control class"""
+
+    # Constructor
+    def __init__(self):
+
+        self.mac_to_led = {
+            0:  1,
+            1:  2,
+            2:  3,
+            3:  4,
+            8:  5,
+            9:  6,
+            10: 7,
+            11: 8,
+            20: 9,
+            21:10,
+            22:11,
+            23:12,
+            12:13,
+            13:14,
+            14:15,
+            15:16,
+            24:17,
+            25:18,
+            26:19,
+            27:20,
+            28:21,
+            29:22,
+            30:23,
+            31:24,
+            61:-1,
+            60:25,
+            63:-1,
+            62:-1,
+            45:-1,
+            44:26,
+            47:-1,
+            46:-1,
+        }
+
+        if os.path.isdir(CONTAINER_PLATFORM_PATH):
+            platform_path = CONTAINER_PLATFORM_PATH
+        else:
+            platform = device_info.get_platform()
+            if platform is None:
+                raise
+            platform_path = os.path.join(HOST_DEVICE_PATH, platform)
+
+        port_config_file = "/".join([platform_path, "E530-24x2q", "port_config.ini"])
+        try:
+            f = open(port_config_file)
+        except:
+            raise
+        for line in f:
+            line.strip()
+            if re.search('^#', line) is not None:
+                Port_cfg = collections.namedtuple('Port_cfg', line.split()[1:])
+                break
+        f.close()
+        f = open(port_config_file)
+        self._port_cfgs = [Port_cfg(*tuple((line.strip().split())))
+                           for line in f if re.search('^#', line) is None]
+        f.close()
+
+        self.LED_MODE_UP = [11, 11]
+        self.LED_MODE_DOWN = [7, 7]
+        self.f_led = "/sys/class/leds/{}/brightness"
+        self._initDefaultConfig()
+
+    # Helper method to map SONiC port name to index
+    def _port_name_to_index(self, port_name):
+        for port_cfg in self._port_cfgs:
+            if port_name == port_cfg.name:
+                macs = [int(x) for x in (port_cfg.lanes.split(','))]
+                led = self.mac_to_led[min(macs)]
+                if led < 0:
+                    return None
+                return led
+        return None
+
+    def _port_state_to_mode(self, port_idx, state):
+        if state == "up":
+            return self.LED_MODE_UP[1] if port_idx == 25 or port_idx == 26 else self.LED_MODE_UP[0]
+        else:
+            return self.LED_MODE_DOWN[1] if port_idx == 25 or port_idx == 26 else self.LED_MODE_DOWN[0]
+
+    def _port_led_mode_update(self, port_idx, ledMode):
+        with open(self.f_led.format("port{}".format(port_idx)), 'w') as led_file:
+            led_file.write(str(ledMode))
+
+    def _initSystemLed(self):
+        try:
+            with open(self.f_led.format("system"), 'w') as led_file:
+                led_file.write("1")
+            DBG_PRINT("init system led to normal")
+            with open(self.f_led.format("idn"), 'w') as led_file:
+                led_file.write("1")
+            DBG_PRINT("init idn led to off")
+        except IOError as e:
+            DBG_PRINT(str(e))
+
+    def _initPanelLed(self):
+        with open(self.f_led.format("port1"), 'r') as led_file:
+            shouldInit = (int(led_file.read()) == 0)
+
+        if shouldInit == True:
+            for port_cfg in self._port_cfgs:
+                macs = [int(x) for x in (port_cfg.lanes.split(','))]
+                led = self.mac_to_led[min(macs)]
+                if led < 0:
+                    continue
+                defmode = self._port_state_to_mode(led, "down")
+                with open(self.f_led.format("port{}".format(led)), 'w') as led_file:
+                    led_file.write(str(defmode))
+                    DBG_PRINT("init port{} led to mode={}".format(led, defmode))
+
+    def _initDefaultConfig(self):
+        DBG_PRINT("start init led")
+
+        self._initSystemLed()
+        self._initPanelLed()
+
+        DBG_PRINT("init led done")
+
+    # Concrete implementation of port_link_state_change() method
+    def port_link_state_change(self, portname, state):
+        port_idx = self._port_name_to_index(portname)
+        if port_idx is None:
+            return
+        ledMode = self._port_state_to_mode(port_idx, state)
+        with open(self.f_led.format("port{}".format(port_idx)), 'r') as led_file:
+            saveMode = int(led_file.read())
+
+        if ledMode == saveMode:
+            return
+
+        self._port_led_mode_update(port_idx, ledMode)
+        DBG_PRINT("update {} led mode from {} to {}".format(portname, saveMode, ledMode))

device/centec/arm64-centec_e530_24x2q-r0/plugins/psuutil.py

@@ -0,0 +1,72 @@
+#!/usr/bin/env python
+
+#############################################################################
+# Centec
+#
+# Module contains an implementation of SONiC PSU Base API and
+# provides the PSUs status which are available in the platform
+#
+#############################################################################
+
+try:
+    from sonic_psu.psu_base import PsuBase
+except ImportError as e:
+    raise ImportError (str(e) + "- required module not found")
+
+class PsuUtil(PsuBase):
+    """Platform-specific PSUutil class"""
+
+    def __init__(self):
+        PsuBase.__init__(self)
+
+        self.psu_path = "/sys/class/psu/psu{}/"
+        self.psu_presence = "psu_presence"
+        self.psu_oper_status = "psu_status"
+
+    def get_num_psus(self):
+        """
+        Retrieves the number of PSUs available on the device
+
+        :return: An integer, the number of PSUs available on the device
+        """
+        return 2
+
+    def get_psu_status(self, index):
+        """
+        Retrieves the oprational status of power supply unit (PSU) defined
+                by 1-based index <index>
+
+        :param index: An integer, 1-based index of the PSU of which to query status
+        :return: Boolean, True if PSU is operating properly, False if PSU is faulty
+        """
+        if index is None:
+            return False
+
+        status = 0
+        try:
+            with open(self.psu_path.format(index) + self.psu_oper_status, 'r') as power_status:
+                status = int(power_status.read())
+        except IOError:
+            return False
+
+        return status == 1
+
+    def get_psu_presence(self, index):
+        """
+        Retrieves the presence status of power supply unit (PSU) defined
+                by 1-based index <index>
+
+        :param index: An integer, 1-based index of the PSU of which to query status
+        :return: Boolean, True if PSU is plugged, False if not
+        """
+        if index is None:
+            return False
+
+        status = 0
+        try:
+            with open(self.psu_path.format(index) + self.psu_presence, 'r') as presence_status:
+                status = int(presence_status.read())
+        except IOError:
+            return False
+
+        return status == 1

device/centec/arm64-centec_e530_24x2q-r0/plugins/sfputil.py

@@ -0,0 +1,200 @@
+#!/usr/bin/env python
+
+# sfputil.py
+#
+# Platform-specific SFP transceiver interface for SONiC
+#
+
+try:
+    import os
+    import re
+    import time
+    import collections
+    from sonic_sfp.sfputilbase import SfpUtilBase
+    from sonic_py_common import device_info
+except ImportError as e:
+    raise ImportError("%s - required module not found" % str(e))
+
+SFP_STATUS_INSERTED = '1'
+SFP_STATUS_REMOVED = '0'
+USR_SHARE_SONIC_PATH = "/usr/share/sonic"
+HOST_DEVICE_PATH = USR_SHARE_SONIC_PATH + "/device"
+CONTAINER_PLATFORM_PATH = USR_SHARE_SONIC_PATH + "/platform"
+
+class SfpUtil(SfpUtilBase):
+    """Platform-specific SfpUtil class"""
+
+    def __init__(self):
+        self.mac_to_sfp = {
+            0:  1,
+            1:  2,
+            2:  3,
+            3:  4,
+            8:  5,
+            9:  6,
+            10: 7,
+            11: 8,
+            20: 9,
+            21:10,
+            22:11,
+            23:12,
+            12:13,
+            13:14,
+            14:15,
+            15:16,
+            24:17,
+            25:18,
+            26:19,
+            27:20,
+            28:21,
+            29:22,
+            30:23,
+            31:24,
+            61:25,
+            60:25,
+            63:25,
+            62:25,
+            45:26,
+            44:26,
+            47:26,
+            46:26,
+        }
+        self.logical = []
+        self.physical_to_logical = {}
+        self.logical_to_physical = {}
+        self.logical_to_asic = {}
+        self.data = {'valid':0, 'last':0}
+        self.f_sfp_present = "/sys/class/sfp/sfp{}/sfp_presence"
+        self.f_sfp_enable = "/sys/class/sfp/sfp{}/sfp_enable"
+
+        if os.path.isdir(CONTAINER_PLATFORM_PATH):
+            platform_path = CONTAINER_PLATFORM_PATH
+        else:
+            platform = device_info.get_platform()
+            if platform is None:
+                raise
+            platform_path = os.path.join(HOST_DEVICE_PATH, platform)
+
+        port_config_file = "/".join([platform_path, "E530-24x2q", "port_config.ini"])
+        try:
+            f = open(port_config_file)
+        except:
+            raise
+        for line in f:
+            line.strip()
+            if re.search('^#', line) is not None:
+                Port_cfg = collections.namedtuple('Port_cfg', line.split()[1:])
+                break
+        f.close()
+        f = open(port_config_file)
+        self._port_cfgs = [Port_cfg(*tuple((line.strip().split())))
+                           for line in f if re.search('^#', line) is None]
+        f.close()
+
+        self.PORT_START = 256
+        self.PORT_END = 0
+        for port_cfg in self._port_cfgs:
+            if int(port_cfg.index) <= self.PORT_START:
+                self.PORT_START = int(port_cfg.index)
+            elif int(port_cfg.index) >= self.PORT_END:
+                self.PORT_END = int(port_cfg.index)
+
+        self.eeprom_mapping = {}
+        self.presence = {}
+        for port_cfg in self._port_cfgs:
+            sfp_idx = self.mac_to_sfp[int(port_cfg.lanes.split(',')[0])]
+            if sfp_idx > 0:
+                self.eeprom_mapping[int(port_cfg.index)] = "/sys/class/sfp/sfp{}/sfp_eeprom".format(sfp_idx)
+                self.logical.append(port_cfg.name)
+            else:
+                self.eeprom_mapping[int(port_cfg.index)] = None
+            self.presence[int(port_cfg.index)] = False
+
+        SfpUtilBase.__init__(self)
+
+    @property
+    def port_start(self):
+        return self.PORT_START
+
+    @property
+    def port_end(self):
+        return self.PORT_END
+
+    @property
+    def sfp_base(self):
+        return self.PORT_START
+
+    @property
+    def qsfp_ports(self):
+        start = 256
+        end = 0
+        for port_cfg in self._port_cfgs:
+            sfp_idx = self.mac_to_sfp[int(port_cfg.lanes.split(',')[0])]
+            if sfp_idx == 25 or sfp_idx == 26:
+                if int(port_cfg.index) <= start:
+                    start = int(port_cfg.index)
+                elif int(port_cfg.index) >= end:
+                    end = int(port_cfg.index)
+        return range(start, end + 1)
+
+    @property
+    def port_to_eeprom_mapping(self):
+        return self.eeprom_mapping
+
+    def is_logical_port(self, port_name):
+        return True
+
+    def get_presence(self, port_num):
+        for port_cfg in self._port_cfgs:
+            if int(port_cfg.index) == port_num:
+                sfp_idx = self.mac_to_sfp[int(port_cfg.lanes.split(',')[0])]
+                if sfp_idx >= 0:
+                    try:
+                        with open(self.f_sfp_present.format(sfp_idx), 'r') as sfp_file:
+                            return 1 == int(sfp_file.read())
+                    except IOError as e:
+                        DBG_PRINT(str(e))
+        return False
+
+    def get_low_power_mode(self, port_num):
+        return False
+
+    def set_low_power_mode(self, port_num, lpmode):
+        return False
+
+    def reset(self, port_num):
+        return False
+
+    def read_porttab_mappings(self, porttabfile, asic_inst = 0):
+        for port_cfg in self._port_cfgs:
+            self.logical_to_physical[port_cfg.name] = [int(port_cfg.index)]
+            self.logical_to_asic[port_cfg.name] = 0
+            self.physical_to_logical[int(port_cfg.index)] = [port_cfg.name]
+
+    def get_transceiver_change_event(self, timeout=2000):
+        now = time.time()
+        port_dict = {}
+
+        if timeout < 1000:
+            timeout = 1000
+        timeout = (timeout) / float(1000) # Convert to secs
+
+        if now < (self.data['last'] + timeout) and self.data['valid']:
+            return True, {}
+
+        for port_cfg in self._port_cfgs:
+            presence = self.get_presence(int(port_cfg.index))
+            if presence != self.presence[int(port_cfg.index)]:
+                self.presence[int(port_cfg.index)] = presence
+                if presence:
+                    port_dict[int(port_cfg.index)] = SFP_STATUS_INSERTED
+                else:
+                    port_dict[int(port_cfg.index)] = SFP_STATUS_REMOVED
+
+        if bool(port_dict):
+            self.data['last'] = now
+            self.data['valid'] = 1
+            return True, port_dict
+        else:
+            time.sleep(0.5)
+            return True, {}

device/centec/arm64-centec_e530_24x2q-r0/pmon_daemon_control.json

@@ -0,0 +1,3 @@
+{
+
+}

device/centec/arm64-centec_e530_48s4x-r0/E530-48s4x/buffers.json.j2

@@ -0,0 +1,70 @@
+{# Default values which will be used if no actual configura available #}
+{% set default_cable = '40m' %}
+{% set default_ports_num = 54 -%}
+
+{# Port configuration to cable length look-up table #}
+{# Each record describes mapping of DUT (DUT port) role and neighbor role to cable length #}
+{# Roles described in the minigraph #}
+{% set ports2cable = {
+        'torrouter_server'       : '5m',
+        'leafrouter_torrouter'   : '40m',
+        'spinerouter_leafrouter' : '300m'
+        }
+%}
+
+{%- macro cable_length(port_name) -%}
+    {%- set cable_len = [] -%}
+    {%- for local_port in DEVICE_NEIGHBOR -%}
+        {%- if local_port == port_name -%}
+            {%- if DEVICE_NEIGHBOR_METADATA[DEVICE_NEIGHBOR[local_port].name] -%}
+                {%- set neighbor = DEVICE_NEIGHBOR_METADATA[DEVICE_NEIGHBOR[local_port].name] -%}
+                {%- set neighbor_role = neighbor.type -%}
+                {%- set roles1 = switch_role + '_' + neighbor_role %}
+                {%- set roles2 = neighbor_role + '_' + switch_role -%}
+                {%- set roles1 = roles1 | lower -%}
+                {%- set roles2 = roles2 | lower -%}
+                {%- if roles1 in ports2cable -%}
+                    {%- if cable_len.append(ports2cable[roles1]) -%}{%- endif -%}
+                {%- elif roles2 in ports2cable -%}
+                    {%- if cable_len.append(ports2cable[roles2]) -%}{%- endif -%}
+                {%- endif -%}
+            {%- endif -%}
+        {%- endif -%}
+    {%- endfor -%}
+    {%- if cable_len -%}
+        {{ cable_len.0 }}
+    {%- else -%}
+        {{ default_cable }}
+    {%- endif -%}
+{% endmacro %}
+
+{%- if DEVICE_METADATA is defined %}
+{%- set switch_role = DEVICE_METADATA['localhost']['type'] %}
+{%- endif -%}
+
+{# Generate list of ports if not defined #}
+{% if PORT is not defined %}
+    {% set PORT = [] %}
+    {% for port_idx in range(1,default_ports_num+1) %}
+        {% if PORT.append("Ethernet%d" % (port_idx)) %}{% endif %}
+    {% endfor %}
+{% endif -%}
+
+{% set port_names_list = [] %}
+{% for port in PORT %}
+    {%- if port_names_list.append(port) %}{% endif %}
+{% endfor %}
+{% set port_names = port_names_list | join(',') -%}
+
+{
+    "CABLE_LENGTH": {
+        "AZURE": {
+    {% for port in PORT %}
+        {% set cable = cable_length(port) -%}
+        "{{ port }}": "{{ cable }}"{%- if not loop.last -%},{% endif %}
+
+    {% endfor %}
+    }
+    }
+}
+

device/centec/arm64-centec_e530_48s4x-r0/E530-48s4x/pg_profile_lookup.ini

@@ -0,0 +1,21 @@
+# PG lossless profiles.
+# speed cable size    xon  xoff threshold
+   1000  5m   34816  18432 16384  0
+  10000  5m   34816  18432 16384  0
+  25000  5m   34816  18432 16384  0
+  40000  5m   34816  18432 16384  0
+  50000  5m   34816  18432 16384  0
+ 100000  5m   36864  18432 18432  0
+   1000  40m  36864  18432 18432  0
+  10000  40m  36864  18432 18432  0
+  25000  40m  39936  18432 21504  0
+  40000  40m  41984  18432 23552  0
+  50000  40m  41984  18432 23552  0
+ 100000  40m  54272  18432 35840  0
+   1000  300m 49152  18432 30720  0
+  10000  300m 49152  18432 30720  0
+  25000  300m 71680  18432 53248  0
+  40000  300m 94208  18432 75776  0
+  50000  300m 94208  18432 75776  0
+ 100000  300m 184320 18432 165888 0
+

device/centec/arm64-centec_e530_48s4x-r0/E530-48s4x/port_config.ini

@@ -0,0 +1,53 @@
+# name          lanes          alias             index     speed    fec
+Ethernet0       0              eth-0-1           0         1000     none
+Ethernet1       1              eth-0-2           1         1000     none
+Ethernet2       2              eth-0-3           2         1000     none
+Ethernet3       3              eth-0-4           3         1000     none
+Ethernet4       4              eth-0-5           4         1000     none
+Ethernet5       5              eth-0-6           5         1000     none
+Ethernet6       6              eth-0-7           6         1000     none
+Ethernet7       7              eth-0-8           7         1000     none
+Ethernet8       16             eth-0-9           8         1000     none
+Ethernet9       17             eth-0-10          9         1000     none
+Ethernet10      18             eth-0-11          10        1000     none
+Ethernet11      19             eth-0-12          11        1000     none
+Ethernet12      20             eth-0-13          12        1000     none
+Ethernet13      21             eth-0-14          13        1000     none
+Ethernet14      22             eth-0-15          14        1000     none
+Ethernet15      23             eth-0-16          15        1000     none
+Ethernet16      8              eth-0-17          16        1000     none
+Ethernet17      9              eth-0-18          17        1000     none
+Ethernet18      10             eth-0-19          18        1000     none
+Ethernet19      11             eth-0-20          19        1000     none
+Ethernet20      32             eth-0-21          20        1000     none
+Ethernet21      33             eth-0-22          21        1000     none
+Ethernet22      34             eth-0-23          22        1000     none
+Ethernet23      35             eth-0-24          23        1000     none
+Ethernet24      36             eth-0-25          24        1000     none
+Ethernet25      37             eth-0-26          25        1000     none
+Ethernet26      38             eth-0-27          26        1000     none
+Ethernet27      39             eth-0-28          27        1000     none
+Ethernet28      40             eth-0-29          28        1000     none
+Ethernet29      41             eth-0-30          29        1000     none
+Ethernet30      42             eth-0-31          30        1000     none
+Ethernet31      43             eth-0-32          31        1000     none
+Ethernet32      25             eth-0-33          32        1000     none
+Ethernet33      24             eth-0-34          33        1000     none
+Ethernet34      27             eth-0-35          34        1000     none
+Ethernet35      26             eth-0-36          35        1000     none
+Ethernet36      13             eth-0-37          36        1000     none
+Ethernet37      12             eth-0-38          37        1000     none
+Ethernet38      15             eth-0-39          38        1000     none
+Ethernet39      14             eth-0-40          39        1000     none
+Ethernet40      29             eth-0-41          40        1000     none
+Ethernet41      28             eth-0-42          41        1000     none
+Ethernet42      31             eth-0-43          42        1000     none
+Ethernet43      30             eth-0-44          43        1000     none
+Ethernet44      61             eth-0-45          44        1000     none
+Ethernet45      60             eth-0-46          45        1000     none
+Ethernet46      63             eth-0-47          46        1000     none
+Ethernet47      62             eth-0-48          47        1000     none
+Ethernet48      44             eth-0-49          48        10000    none
+Ethernet49      45             eth-0-50          49        10000    none
+Ethernet50      47             eth-0-51          50        10000    none
+Ethernet51      46             eth-0-52          51        10000    none

device/centec/arm64-centec_e530_48s4x-r0/E530-48s4x/qos.json.j2

@@ -0,0 +1 @@
+{%- include 'qos_config.j2' %}

device/centec/arm64-centec_e530_48s4x-r0/E530-48s4x/sai.profile

@@ -0,0 +1,2 @@
+SAI_INIT_CONFIG_FILE=/etc/centec/E530-48s4x-chip-profile.txt
+SAI_HW_PORT_PROFILE_ID_CONFIG_FILE=/etc/centec/E530-48s4x-datapath.txt

device/centec/arm64-centec_e530_48s4x-r0/default_sku

@@ -0,0 +1 @@
+E530-48s4x l2

device/centec/arm64-centec_e530_48s4x-r0/fancontrol

@@ -0,0 +1,12 @@
+# Configuration file generated by pwmconfig, changes will be lost
+INTERVAL=10
+DEVPATH=hwmon1=devices/platform/soc/soc:fan-ctc5236
+DEVNAME=hwmon1=ctc5236fan
+FCTEMPS=hwmon1/pwm1=hwmon1/temp1_input hwmon1/pwm2=hwmon1/temp1_input hwmon1/pwm3=hwmon1/temp1_input hwmon1/pwm4=hwmon1/temp1_input
+FCFANS=hwmon1/pwm1=hwmon1/fan1_input hwmon1/pwm2=hwmon1/fan2_input hwmon1/pwm3=hwmon1/fan3_input hwmon1/pwm4=hwmon1/fan4_input
+MINTEMP=hwmon1/pwm1=30 hwmon1/pwm2=30 hwmon1/pwm3=30 hwmon1/pwm4=30
+MAXTEMP=hwmon1/pwm1=90 hwmon1/pwm2=90 hwmon1/pwm3=90 hwmon1/pwm4=90
+MINSTART=hwmon1/pwm1=12 hwmon1/pwm2=12 hwmon1/pwm3=12 hwmon1/pwm4=12
+MINSTOP=hwmon1/pwm1=6 hwmon1/pwm2=6 hwmon1/pwm3=6 hwmon1/pwm4=6
+MINPWM=hwmon1/pwm1=6 hwmon1/pwm2=6 hwmon1/pwm3=6 hwmon1/pwm4=6
+MAXPWM=hwmon1/pwm1=18 hwmon1/pwm2=18 hwmon1/pwm3=18 hwmon1/pwm4=18

device/centec/arm64-centec_e530_48s4x-r0/platform_components.json

@@ -0,0 +1,8 @@
+{
+        "chassis": {
+                "E530-48s4x": {
+                        "component": {
+                        }
+                }
+        }
+}

device/centec/arm64-centec_e530_48s4x-r0/platform_reboot

@@ -0,0 +1,12 @@
+#!/usr/bin/python
+import os
+
+def main():
+    # reboot the system
+    os.system('modprobe i2c-dev')
+    os.system('i2cset -y 0 0x36 0x23 0x0')
+    os.system('sleep 1')
+    os.system('i2cset -y 0 0x36 0x23 0x3')
+
+if __name__ == "__main__":
+    main()

device/centec/arm64-centec_e530_48s4x-r0/plugins/eeprom.py

@@ -0,0 +1,22 @@
+#!/usr/bin/env python
+
+#############################################################################
+# Centec E530-48S4X
+#
+# Platform and model specific eeprom subclass, inherits from the base class,
+# and provides the followings:
+# - the eeprom format definition
+# - specific encoder/decoder if there is special need
+#############################################################################
+
+try:
+    from sonic_eeprom import eeprom_tlvinfo
+except ImportError as e:
+    raise ImportError (str(e) + "- required module not found")
+
+
+class board(eeprom_tlvinfo.TlvInfoDecoder):
+
+    def __init__(self, name, path, cpld_root, ro):
+        self.eeprom_path = "/dev/mtd3"
+        super(board, self).__init__(self.eeprom_path, 0, '', True)

device/centec/arm64-centec_e530_48s4x-r0/plugins/led_control.py

@@ -0,0 +1,98 @@
+#!/usr/bin/env python
+#
+# led_control.py
+#
+# Platform-specific LED control functionality for SONiC
+#
+
+try:
+    from sonic_led.led_control_base import LedControlBase
+    import syslog
+    from socket import *
+    from select import *
+except ImportError as e:
+    raise ImportError(str(e) + " - required module not found")
+
+
+def DBG_PRINT(str):
+    syslog.openlog("centec-led")
+    syslog.syslog(syslog.LOG_INFO, str)
+    syslog.closelog()
+
+
+class LedControl(LedControlBase):
+    """Platform specific LED control class"""
+
+
+    # Helper method to map SONiC port name to index
+    def _port_name_to_index(self, port_name):
+        # Strip "Ethernet" off port name
+        if not port_name.startswith(self.SONIC_PORT_NAME_PREFIX):
+            return -1
+
+        port_idx = int(port_name[len(self.SONIC_PORT_NAME_PREFIX):])
+        return port_idx + 1
+
+    def _port_state_to_mode(self, port_idx, state):
+        if state == "up":
+            return self.LED_MODE_UP[0] if (port_idx < 49) else self.LED_MODE_UP[1]
+        else:
+            return self.LED_MODE_DOWN[0] if (port_idx < 49) else self.LED_MODE_DOWN[1]
+
+    def _port_led_mode_update(self, port_idx, ledMode):
+        with open(self.f_led.format("port{}".format(port_idx)), 'w') as led_file:
+            led_file.write(str(ledMode))
+
+    def _initSystemLed(self):
+        try:
+            with open(self.f_led.format("system"), 'w') as led_file:
+                led_file.write("3")
+            DBG_PRINT("init system led to normal")
+            with open(self.f_led.format("idn"), 'w') as led_file:
+                led_file.write("1")
+            DBG_PRINT("init idn led to off")
+        except IOError as e:
+            DBG_PRINT(str(e))
+
+    def _initPanelLed(self):
+        with open(self.f_led.format("port1"), 'r') as led_file:
+            shouldInit = (int(led_file.read()) == 0)
+
+        if shouldInit == True:
+            for idx in range(1, 53):
+                defmode = self._port_state_to_mode(idx, "down")
+                with open(self.f_led.format("port{}".format(idx)), 'w') as led_file:
+                    led_file.write(str(defmode))
+                    DBG_PRINT("init port{} led to mode={}".format(idx, defmode))
+
+    def _initDefaultConfig(self):
+        DBG_PRINT("start init led")
+
+        self._initSystemLed()
+        self._initPanelLed()
+
+        DBG_PRINT("init led done")
+
+
+    # Concrete implementation of port_link_state_change() method
+    def port_link_state_change(self, portname, state):
+        port_idx = self._port_name_to_index(portname)
+        ledMode = self._port_state_to_mode(port_idx, state)
+        with open(self.f_led.format("port{}".format(port_idx)), 'r') as led_file:
+            saveMode = int(led_file.read())
+
+        if ledMode == saveMode:
+            return
+
+        self._port_led_mode_update(port_idx, ledMode)
+        DBG_PRINT("update {} led mode from {} to {}".format(portname, saveMode, ledMode))
+
+
+    # Constructor
+    def __init__(self):
+        self.SONIC_PORT_NAME_PREFIX = "Ethernet"
+        self.LED_MODE_UP = [5, 6]
+        self.LED_MODE_DOWN = [7, 7]
+
+        self.f_led = "/sys/class/leds/{}/brightness"
+        self._initDefaultConfig()

device/centec/arm64-centec_e530_48s4x-r0/plugins/psuutil.py

@@ -0,0 +1,72 @@
+#!/usr/bin/env python
+
+#############################################################################
+# Centec
+#
+# Module contains an implementation of SONiC PSU Base API and
+# provides the PSUs status which are available in the platform
+#
+#############################################################################
+
+try:
+    from sonic_psu.psu_base import PsuBase
+except ImportError as e:
+    raise ImportError (str(e) + "- required module not found")
+
+class PsuUtil(PsuBase):
+    """Platform-specific PSUutil class"""
+
+    def __init__(self):
+        PsuBase.__init__(self)
+
+        self.psu_path = "/sys/class/psu/psu{}/"
+        self.psu_presence = "psu_presence"
+        self.psu_oper_status = "psu_status"
+
+    def get_num_psus(self):
+        """
+        Retrieves the number of PSUs available on the device
+
+        :return: An integer, the number of PSUs available on the device
+        """
+        return 2
+
+    def get_psu_status(self, index):
+        """
+        Retrieves the oprational status of power supply unit (PSU) defined
+                by 1-based index <index>
+
+        :param index: An integer, 1-based index of the PSU of which to query status
+        :return: Boolean, True if PSU is operating properly, False if PSU is faulty
+        """
+        if index is None:
+            return False
+
+        status = 0
+        try:
+            with open(self.psu_path.format(index) + self.psu_oper_status, 'r') as power_status:
+                status = int(power_status.read())
+        except IOError:
+            return False
+
+        return status == 1
+
+    def get_psu_presence(self, index):
+        """
+        Retrieves the presence status of power supply unit (PSU) defined
+                by 1-based index <index>
+
+        :param index: An integer, 1-based index of the PSU of which to query status
+        :return: Boolean, True if PSU is plugged, False if not
+        """
+        if index is None:
+            return False
+
+        status = 0
+        try:
+            with open(self.psu_path.format(index) + self.psu_presence, 'r') as presence_status:
+                status = int(presence_status.read())
+        except IOError:
+            return False
+
+        return status == 1

device/centec/arm64-centec_e530_48s4x-r0/plugins/sfputil.py

@@ -0,0 +1,161 @@
+#!/usr/bin/env python
+
+# sfputil.py
+#
+# Platform-specific SFP transceiver interface for SONiC
+#
+
+try:
+    import time
+    from socket import *
+    from select import *
+    from sonic_sfp.sfputilbase import SfpUtilBase
+except ImportError as e:
+    raise ImportError("%s - required module not found" % str(e))
+
+
+def DBG_PRINT(str):
+    print(str + "\n")
+
+SFP_STATUS_INSERTED = '1'
+SFP_STATUS_REMOVED = '0'
+
+class SfpUtil(SfpUtilBase):
+    """Platform-specific SfpUtil class"""
+
+    @property
+    def port_start(self):
+        return self.PORT_START
+
+    @property
+    def port_end(self):
+        return self.PORT_END
+
+    @property
+    def sfp_base(self):
+        return self.SFP_BASE
+
+    @property
+    def qsfp_ports(self):
+        return ()
+
+    @property
+    def port_to_eeprom_mapping(self):
+        return self.eeprom_mapping
+
+    def is_logical_port(self, port_name):
+        return True
+
+    def get_eeprom_data(self, port):
+        ret = None
+        port_num = self.get_logical_to_physical(port)[0] + 1
+        if port_num < self.port_start or port_num > self.port_end:
+            return ret
+        if port_num < self.sfp_base:
+            return ret
+        try:
+            with open(self.eeprom_mapping[port_num], 'r') as eeprom_file:
+                ret = eeprom_file.read()
+        except IOError as e:
+            DBG_PRINT(str(e))
+
+        return ret
+
+    def __init__(self):
+        self.SONIC_PORT_NAME_PREFIX = "Ethernet"
+        self.PORT_START = 0
+        self.PORT_END = 51
+        self.SFP_BASE = 0
+        self.PORTS_IN_BLOCK = 52
+        self.logical = []
+        self.physical_to_logical = {}
+        self.logical_to_physical = {}
+        self.logical_to_asic = {}
+        self.data = {'valid':0, 'last':0}
+
+        self.eeprom_mapping = {}
+        self.f_sfp_present = "/sys/class/sfp/sfp{}/sfp_presence"
+        self.f_sfp_enable = "/sys/class/sfp/sfp{}/sfp_enable"
+        for x in range(self.port_start, self.sfp_base):
+            self.eeprom_mapping[x] = None
+        for x in range(self.sfp_base, self.port_end + 1):
+            self.eeprom_mapping[x] = "/sys/class/sfp/sfp{}/sfp_eeprom".format(x - self.sfp_base + 1)
+        self.presence = {}
+        for x in range(self.sfp_base, self.port_end + 1):
+            self.presence[x] = False;
+
+        SfpUtilBase.__init__(self)
+
+        for x in range(self.sfp_base, self.port_end + 1):
+            self.logical.append('Ethernet' + str(x))
+
+    def get_presence(self, port_num):
+        # Check for invalid port_num
+        if port_num < self.port_start or port_num > self.port_end:
+            return False
+        if port_num < self.sfp_base:
+            return False
+        try:
+            with open(self.f_sfp_present.format(port_num - self.sfp_base + 1), 'r') as sfp_file:
+                return 1 == int(sfp_file.read())
+        except IOError as e:
+            DBG_PRINT(str(e))
+
+        return False
+
+    def get_low_power_mode(self, port_num):
+        # Check for invalid port_num
+        if port_num < self.port_start or port_num > self.port_end:
+            return False
+
+        return False
+
+    def set_low_power_mode(self, port_num, lpmode):
+        # Check for invalid port_num
+        if port_num < self.port_start or port_num > self.port_end:
+            return False
+
+        return False
+
+    def reset(self, port_num):
+        # Check for invalid port_num
+        if port_num < self.port_start or port_num > self.port_end:
+            return False
+
+        return False
+
+
+    def read_porttab_mappings(self, porttabfile, asic_inst = 0):
+        for x in range(self.sfp_base, self.port_end + 1):
+            self.logical_to_physical['Ethernet' + str(x)] = [x]
+            self.logical_to_asic['Ethernet' + str(x)] = 0
+            self.physical_to_logical[x] = ['Ethernet' + str(x)]
+
+    def get_transceiver_change_event(self, timeout=2000):
+        now = time.time()
+        port_dict = {}
+
+        if timeout < 1000:
+            timeout = 1000
+        timeout = (timeout) / float(1000) # Convert to secs
+
+        if now < (self.data['last'] + timeout) and self.data['valid']:
+            return True, {}
+
+        for x in range(self.sfp_base, self.port_end + 1):
+            presence = self.get_presence(x)
+            if presence != self.presence[x]:
+                self.presence[x] = presence
+                # index in port_config.ini
+                if presence:
+                    port_dict[x] = SFP_STATUS_INSERTED
+                else:
+                    port_dict[x] = SFP_STATUS_REMOVED
+
+        if bool(port_dict):
+            self.data['last'] = now
+            self.data['valid'] = 1
+            return True, port_dict
+        else:
+            time.sleep(0.5)
+            return True, {}

device/centec/arm64-centec_e530_48s4x-r0/pmon_daemon_control.json

@@ -0,0 +1,3 @@
+{
+
+}

device/centec/arm64-centec_e530_48t4x_p-r0/E530-48t4x-p/port_config.ini

@@ -1,53 +1,53 @@
-# name lanes  alias             speed
+# name          lanes          alias             index     speed    fec
-Ethernet1         1              eth-0-1         1000
+Ethernet0       1              eth-0-1           0         1000     none
-Ethernet2         0              eth-0-2         1000
+Ethernet1       0              eth-0-2           1         1000     none
-Ethernet3         3              eth-0-3         1000
+Ethernet2       3              eth-0-3           2         1000     none
-Ethernet4         2              eth-0-4         1000
+Ethernet3       2              eth-0-4           3         1000     none
-Ethernet5         5              eth-0-5         1000
+Ethernet4       5              eth-0-5           4         1000     none
-Ethernet6         4              eth-0-6         1000
+Ethernet5       4              eth-0-6           5         1000     none
-Ethernet7         7              eth-0-7         1000
+Ethernet6       7              eth-0-7           6         1000     none
-Ethernet8         6              eth-0-8         1000
+Ethernet7       6              eth-0-8           7         1000     none
-Ethernet9         17             eth-0-9         1000
+Ethernet8       17             eth-0-9           8         1000     none
-Ethernet10        16             eth-0-10        1000  
+Ethernet9       16             eth-0-10          9         1000     none
-Ethernet11        19             eth-0-11        1000
+Ethernet10      19             eth-0-11          10        1000     none
-Ethernet12        18             eth-0-12        1000
+Ethernet11      18             eth-0-12          11        1000     none
-Ethernet13        21             eth-0-13        1000
+Ethernet12      21             eth-0-13          12        1000     none
-Ethernet14        20             eth-0-14        1000
+Ethernet13      20             eth-0-14          13        1000     none
-Ethernet15        23             eth-0-15        1000
+Ethernet14      23             eth-0-15          14        1000     none
-Ethernet16        22             eth-0-16        1000
+Ethernet15      22             eth-0-16          15        1000     none
-Ethernet17        9              eth-0-17        1000
+Ethernet16      9              eth-0-17          16        1000     none
-Ethernet18        8              eth-0-18        1000
+Ethernet17      8              eth-0-18          17        1000     none
-Ethernet19        11             eth-0-19        1000
+Ethernet18      11             eth-0-19          18        1000     none
-Ethernet20        10             eth-0-20        1000
+Ethernet19      10             eth-0-20          19        1000     none
-Ethernet21        33             eth-0-21        1000
+Ethernet20      33             eth-0-21          20        1000     none
-Ethernet22        32             eth-0-22        1000
+Ethernet21      32             eth-0-22          21        1000     none
-Ethernet23        35             eth-0-23        1000
+Ethernet22      35             eth-0-23          22        1000     none
-Ethernet24        34             eth-0-24        1000
+Ethernet23      34             eth-0-24          23        1000     none
-Ethernet25        37             eth-0-25        1000
+Ethernet24      37             eth-0-25          24        1000     none
-Ethernet26        36             eth-0-26        1000
+Ethernet25      36             eth-0-26          25        1000     none
-Ethernet27        39             eth-0-27        1000
+Ethernet26      39             eth-0-27          26        1000     none
-Ethernet28        38             eth-0-28        1000
+Ethernet27      38             eth-0-28          27        1000     none
-Ethernet29        41             eth-0-29        1000
+Ethernet28      41             eth-0-29          28        1000     none
-Ethernet30        40             eth-0-30        1000
+Ethernet29      40             eth-0-30          29        1000     none
-Ethernet31        43             eth-0-31        1000
+Ethernet30      43             eth-0-31          30        1000     none
-Ethernet32        42             eth-0-32        1000
+Ethernet31      42             eth-0-32          31        1000     none
-Ethernet33        25             eth-0-33        1000
+Ethernet32      25             eth-0-33          32        1000     none
-Ethernet34        24             eth-0-34        1000
+Ethernet33      24             eth-0-34          33        1000     none
-Ethernet35        27             eth-0-35        1000
+Ethernet34      27             eth-0-35          34        1000     none
-Ethernet36        26             eth-0-36        1000
+Ethernet35      26             eth-0-36          35        1000     none
-Ethernet37        49             eth-0-37        1000
+Ethernet36      49             eth-0-37          36        1000     none
-Ethernet38        48             eth-0-38        1000
+Ethernet37      48             eth-0-38          37        1000     none
-Ethernet39        51             eth-0-39        1000
+Ethernet38      51             eth-0-39          38        1000     none
-Ethernet40        50             eth-0-40        1000
+Ethernet39      50             eth-0-40          39        1000     none
-Ethernet41        53             eth-0-41        1000
+Ethernet40      53             eth-0-41          40        1000     none
-Ethernet42        52             eth-0-42        1000
+Ethernet41      52             eth-0-42          41        1000     none
-Ethernet43        55             eth-0-43        1000
+Ethernet42      55             eth-0-43          42        1000     none
-Ethernet44        54             eth-0-44        1000
+Ethernet43      54             eth-0-44          43        1000     none
-Ethernet45        57             eth-0-45        1000
+Ethernet44      57             eth-0-45          44        1000     none
-Ethernet46        56             eth-0-46        1000
+Ethernet45      56             eth-0-46          45        1000     none
-Ethernet47        59             eth-0-47        1000
+Ethernet46      59             eth-0-47          46        1000     none
-Ethernet48        58             eth-0-48        1000
+Ethernet47      58             eth-0-48          47        1000     none
-Ethernet49        13             eth-0-49        10000
+Ethernet48      13             eth-0-49          48        10000    none
-Ethernet50        12             eth-0-50        10000
+Ethernet49      12             eth-0-50          49        10000    none
-Ethernet51        15             eth-0-51        10000
+Ethernet50      15             eth-0-51          50        10000    none
-Ethernet52        14             eth-0-52        10000
+Ethernet51      14             eth-0-52          51        10000    none

device/centec/arm64-centec_e530_48t4x_p-r0/fancontrol

@@ -1 +1,12 @@
 # Configuration file generated by pwmconfig, changes will be lost
+INTERVAL=10
+DEVPATH=hwmon1=devices/platform/soc/soc:fan-ctc5236
+DEVNAME=hwmon1=ctc5236fan
+FCTEMPS=hwmon1/pwm1=hwmon1/temp1_input hwmon1/pwm2=hwmon1/temp1_input hwmon1/pwm3=hwmon1/temp1_input
+FCFANS=hwmon1/pwm1=hwmon1/fan1_input hwmon1/pwm2=hwmon1/fan2_input hwmon1/pwm3=hwmon1/fan3_input
+MINTEMP=hwmon1/pwm1=30 hwmon1/pwm2=30 hwmon1/pwm3=30
+MAXTEMP=hwmon1/pwm1=90 hwmon1/pwm2=90 hwmon1/pwm3=90
+MINSTART=hwmon1/pwm1=12 hwmon1/pwm2=12 hwmon1/pwm3=12
+MINSTOP=hwmon1/pwm1=6 hwmon1/pwm2=6 hwmon1/pwm3=6
+MINPWM=hwmon1/pwm1=6 hwmon1/pwm2=6 hwmon1/pwm3=6
+MAXPWM=hwmon1/pwm1=18 hwmon1/pwm2=18 hwmon1/pwm3=18

device/centec/arm64-centec_e530_48t4x_p-r0/platform_components.json

@@ -0,0 +1,8 @@
+{
+        "chassis": {
+                "E530-48t4x-p": {
+                        "component": {
+                        }
+                }
+        }
+}

device/centec/arm64-centec_e530_48t4x_p-r0/platform_reboot

@@ -0,0 +1,11 @@
+#!/usr/bin/python
+import os
+
+def main():
+    # reboot the system
+    os.system('echo 502 > /sys/class/gpio/export')
+    os.system('echo out > /sys/class/gpio/gpio502/direction')
+    os.system('echo 1 > /sys/class/gpio/gpio502/value')
+
+if __name__ == "__main__":
+    main()

device/centec/arm64-centec_e530_48t4x_p-r0/plugins/eeprom.py

@@ -1,3 +1,5 @@
+#!/usr/bin/env python
+
 #############################################################################
 # Centec E550-24X8Y2C
 #
@@ -10,7 +12,7 @@
 try:
     from sonic_eeprom import eeprom_tlvinfo
 except ImportError as e:
-    raise ImportError(str(e) + "- required module not found")
+    raise ImportError (str(e) + "- required module not found")
 
 
 class board(eeprom_tlvinfo.TlvInfoDecoder):

device/centec/arm64-centec_e530_48t4x_p-r0/plugins/led_control.py

@@ -1,3 +1,5 @@
+#!/usr/bin/env python
+#
 # led_control.py
 #
 # Platform-specific LED control functionality for SONiC
@@ -21,6 +23,7 @@ def DBG_PRINT(str):
 class LedControl(LedControlBase):
     """Platform specific LED control class"""
 
+
     # Helper method to map SONiC port name to index
     def _port_name_to_index(self, port_name):
         # Strip "Ethernet" off port name
@@ -28,7 +31,7 @@ class LedControl(LedControlBase):
             return -1
 
         port_idx = int(port_name[len(self.SONIC_PORT_NAME_PREFIX):])
-        return port_idx
+        return port_idx + 1
 
     def _port_state_to_mode(self, port_idx, state):
         if state == "up":
@@ -70,8 +73,8 @@ class LedControl(LedControlBase):
 
         DBG_PRINT("init led done")
 
-    # Concrete implementation of port_link_state_change() method
 
+    # Concrete implementation of port_link_state_change() method
     def port_link_state_change(self, portname, state):
         port_idx = self._port_name_to_index(portname)
         ledMode = self._port_state_to_mode(port_idx, state)
@@ -84,8 +87,8 @@ class LedControl(LedControlBase):
         self._port_led_mode_update(port_idx, ledMode)
         DBG_PRINT("update {} led mode from {} to {}".format(portname, saveMode, ledMode))
 
-    # Constructor
 
+    # Constructor
     def __init__(self):
         self.SONIC_PORT_NAME_PREFIX = "Ethernet"
         self.LED_MODE_UP = [2, 11]

device/centec/arm64-centec_e530_48t4x_p-r0/plugins/psuutil.py

@@ -1,3 +1,5 @@
+#!/usr/bin/env python
+
 #############################################################################
 # Centec
 #
@@ -9,8 +11,7 @@
 try:
     from sonic_psu.psu_base import PsuBase
 except ImportError as e:
-    raise ImportError(str(e) + "- required module not found")
+    raise ImportError (str(e) + "- required module not found")
-
 
 class PsuUtil(PsuBase):
     """Platform-specific PSUutil class"""

device/centec/arm64-centec_e530_48t4x_p-r0/plugins/sfputil.py

@@ -1,3 +1,5 @@
+#!/usr/bin/env python
+
 # sfputil.py
 #
 # Platform-specific SFP transceiver interface for SONiC
@@ -15,6 +17,8 @@ except ImportError as e:
 def DBG_PRINT(str):
     print(str + "\n")
 
+SFP_STATUS_INSERTED = '1'
+SFP_STATUS_REMOVED = '0'
 
 class SfpUtil(SfpUtilBase):
     """Platform-specific SfpUtil class"""
@@ -42,17 +46,9 @@ class SfpUtil(SfpUtilBase):
     def is_logical_port(self, port_name):
         return True
 
-    def get_logical_to_physical(self, port_name):
-        if not port_name.startswith(self.SONIC_PORT_NAME_PREFIX):
-            return None
-
-        port_idx = int(port_name[len(self.SONIC_PORT_NAME_PREFIX):])
-
-        return [port_idx]
-
     def get_eeprom_data(self, port):
         ret = None
-        port_num = self.get_logical_to_physical(port)[0]
+        port_num = self.get_logical_to_physical(port)[0] + 1
         if port_num < self.port_start or port_num > self.port_end:
             return ret
         if port_num < self.sfp_base:
@@ -65,16 +61,17 @@ class SfpUtil(SfpUtilBase):
 
         return ret
 
-    # todo
-    # def _get_port_eeprom_path(self, port_num, devid):
-    #    pass
-
     def __init__(self):
         self.SONIC_PORT_NAME_PREFIX = "Ethernet"
-        self.PORT_START = 1
+        self.PORT_START = 0
-        self.PORT_END = 52
+        self.PORT_END = 51
-        self.SFP_BASE = 49
+        self.SFP_BASE = 48
         self.PORTS_IN_BLOCK = 52
+        self.logical = []
+        self.physical_to_logical = {}
+        self.logical_to_physical = {}
+        self.logical_to_asic = {}
+        self.data = {'valid':0, 'last':0}
 
         self.eeprom_mapping = {}
         self.f_sfp_present = "/sys/class/sfp/sfp{}/sfp_presence"
@@ -82,14 +79,16 @@ class SfpUtil(SfpUtilBase):
         for x in range(self.port_start, self.sfp_base):
             self.eeprom_mapping[x] = None
         for x in range(self.sfp_base, self.port_end + 1):
-            self.eeprom_mapping[x] = "/sys/class/sfp/sfp{}/sfp_eeprom".format(
+            self.eeprom_mapping[x] = "/sys/class/sfp/sfp{}/sfp_eeprom".format(x - self.sfp_base + 1)
-                x - self.sfp_base + 1)
         self.presence = {}
         for x in range(self.sfp_base, self.port_end + 1):
-            self.presence[x] = False
+            self.presence[x] = False;
 
         SfpUtilBase.__init__(self)
 
+        for x in range(self.sfp_base, self.port_end + 1):
+            self.logical.append('Ethernet' + str(x))
+
     def get_presence(self, port_num):
         # Check for invalid port_num
         if port_num < self.port_start or port_num > self.port_end:
@@ -125,13 +124,38 @@ class SfpUtil(SfpUtilBase):
 
         return False
 
-    def get_transceiver_change_event(self, timeout=0):
+
+    def read_porttab_mappings(self, porttabfile, asic_inst = 0):
+        for x in range(self.sfp_base, self.port_end + 1):
+            self.logical_to_physical['Ethernet' + str(x)] = [x]
+            self.logical_to_asic['Ethernet' + str(x)] = 0
+            self.physical_to_logical[x] = ['Ethernet' + str(x)]
+
+    def get_transceiver_change_event(self, timeout=2000):
+        now = time.time()
         port_dict = {}
-        while True:
+
-            for x in range(self.sfp_base, self.port_end + 1):
+        if timeout < 1000:
-                presence = self.get_presence(x)
+            timeout = 1000
-                if presence != self.presence[x]:
+        timeout = (timeout) / float(1000) # Convert to secs
-                    self.presence[x] = presence
+
-                    port_dict[x] = presence
+        if now < (self.data['last'] + timeout) and self.data['valid']:
-                    return True, port_dict
+            return True, {}
+
+        for x in range(self.sfp_base, self.port_end + 1):
+            presence = self.get_presence(x)
+            if presence != self.presence[x]:
+                self.presence[x] = presence
+                # index in port_config.ini
+                if presence:
+                    port_dict[x] = SFP_STATUS_INSERTED
+                else:
+                    port_dict[x] = SFP_STATUS_REMOVED
+
+        if bool(port_dict):
+            self.data['last'] = now
+            self.data['valid'] = 1
+            return True, port_dict
+        else:
             time.sleep(0.5)
+            return True, {}

device/centec/arm64-centec_e530_48t4x_p-r0/pmon_daemon_control.json

@@ -0,0 +1,3 @@
+{
+
+}

device/centec/x86_64-ew_es6220_x48q2h4-r0/plugins/sfputil.py

@@ -82,7 +82,7 @@ class SfpUtil(SfpUtilBase):
         try:
             reg_file = open("/sys/devices/platform/dell-s6000-cpld.0/qsfp_lpmode")
         except IOError as e:
-            print "Error: unable to open file: %s" % str(e)
+            print("Error: unable to open file: %s" % str(e))
 
         content = reg_file.readline().rstrip()
 

platform/centec-arm64/one-image.mk

@@ -8,6 +8,8 @@ $(SONIC_ONE_IMAGE)_INSTALLS += $(SYSTEMD_SONIC_GENERATOR)
 $(SONIC_ONE_IMAGE)_INSTALLS += $(TSINGMA_BSP_MODULE)
 $(SONIC_ONE_IMAGE)_LAZY_INSTALLS += $(CENTEC_E530_48T4X_P_PLATFORM_MODULE)
 $(SONIC_ONE_IMAGE)_LAZY_INSTALLS += $(CENTEC_E530_24X2C_PLATFORM_MODULE)
+$(SONIC_ONE_IMAGE)_LAZY_INSTALLS += $(CENTEC_E530_48S4X_PLATFORM_MODULE)
+$(SONIC_ONE_IMAGE)_LAZY_INSTALLS += $(CENTEC_E530_24X2Q_PLATFORM_MODULE)
 
 ifeq ($(INSTALL_DEBUG_TOOLS),y)
 $(SONIC_ONE_IMAGE)_DOCKERS += $(SONIC_INSTALL_DOCKER_DBG_IMAGES)

platform/centec-arm64/platform-modules-centec-e530.mk

@@ -1,8 +1,10 @@
 # Centec E530-48T4X-P Platform modules
 
 
-CENTEC_E530_48T4X_P_PLATFORM_MODULE_VERSION =1.1
+CENTEC_E530_48T4X_P_PLATFORM_MODULE_VERSION =1.3
-CENTEC_E530_24X2C_PLATFORM_MODULE_VERSION =1.1
+CENTEC_E530_24X2C_PLATFORM_MODULE_VERSION =1.3
+CENTEC_E530_48S4X_PLATFORM_MODULE_VERSION =1.3
+CENTEC_E530_24X2Q_PLATFORM_MODULE_VERSION =1.3
 
 export CENTEC_E530_48T4X_P_PLATFORM_MODULE_VERSION
 
@@ -16,3 +18,11 @@ SONIC_DPKG_DEBS += $(CENTEC_E530_48T4X_P_PLATFORM_MODULE)
 CENTEC_E530_24X2C_PLATFORM_MODULE = platform-modules-e530-24x2c_$(CENTEC_E530_24X2C_PLATFORM_MODULE_VERSION)_arm64.deb
 $(CENTEC_E530_24X2C_PLATFORM_MODULE)_PLATFORM = arm64-centec_e530_24x2c-r0
 $(eval $(call add_extra_package,$(CENTEC_E530_48T4X_P_PLATFORM_MODULE),$(CENTEC_E530_24X2C_PLATFORM_MODULE)))
+
+CENTEC_E530_48S4X_PLATFORM_MODULE = platform-modules-e530-48s4x_$(CENTEC_E530_48S4X_PLATFORM_MODULE_VERSION)_arm64.deb
+$(CENTEC_E530_48S4X_PLATFORM_MODULE)_PLATFORM = arm64-centec_e530_48s4x-r0
+$(eval $(call add_extra_package,$(CENTEC_E530_48T4X_P_PLATFORM_MODULE),$(CENTEC_E530_48S4X_PLATFORM_MODULE)))
+
+CENTEC_E530_24X2Q_PLATFORM_MODULE = platform-modules-e530-24x2q_$(CENTEC_E530_24X2Q_PLATFORM_MODULE_VERSION)_arm64.deb
+$(CENTEC_E530_24X2Q_PLATFORM_MODULE)_PLATFORM = arm64-centec_e530_24x2q-r0
+$(eval $(call add_extra_package,$(CENTEC_E530_48T4X_P_PLATFORM_MODULE),$(CENTEC_E530_24X2Q_PLATFORM_MODULE)))

platform/centec-arm64/platform.conf

@@ -4,43 +4,45 @@
 
 echo "Preparing for installation ... "
 
-demo_mnt=/mnt
-
-hw_load() {
-    echo "ext4load mmc 0:2 \$loadaddr onie_uimage"
-}
-
 create_partition() {
     echo y | mkfs.ext4 -L CTC-SYSTEM /dev/mmcblk0p1
 }
 
 mount_partition() {
-    echo "mount flash"
+    echo "mount flash partition"
+    demo_mnt=/mnt
     mount -t ext4 /dev/mmcblk0p1 $demo_mnt
 }
 
 bootloader_menu_config() {
-    mkdir -p $demo_mnt/boot
+    if [ "$install_env" = "onie" ]; then
-    mount -t ext4 /dev/mmcblk0p2 $demo_mnt/boot
+        fw_setenv -f nos_bootcmd "test -n \$boot_once && setenv do_boot_once \$boot_once && setenv boot_once && saveenv && run do_boot_once; run boot_next"
-    
-    rm $demo_mnt/boot/centec-e530.itb -rf
-    cp $demo_mnt/$image_dir/boot/sonic_arm64.fit $demo_mnt/boot/centec-e530.itb
-    cd $demo_mnt/boot
-    rm onie_uimage -rf
-    ln -s centec-e530.itb onie_uimage
-    cd -
-    sync
-    umount -l $demo_mnt/boot
 
-    hw_load_str="$(hw_load)"
+        fw_setenv -f sonic_image_1 "ext4load mmc 0:1 \$loadaddr \$sonic_dir_1/boot/sonic_arm64.fit && setenv bootargs quiet console=\$consoledev,\$baudrate root=/dev/mmcblk0p1 rw rootwait rootfstype=ext4 loopfstype=squashfs loop=\$sonic_dir_1/fs.squashfs systemd.unified_cgroup_hierarchy=0 && bootm \$loadaddr"
+        fw_setenv -f sonic_image_2 "NONE"
+        fw_setenv -f sonic_dir_1 $image_dir
+        fw_setenv -f sonic_dir_2 "NONE"
+        fw_setenv -f sonic_version_1 `echo $image_dir | sed "s/^image-/SONiC-OS-/g"`
+        fw_setenv -f sonic_version_2 "NONE"
 
-    (cat <<EOF
+        fw_setenv -f boot_next "run sonic_image_1"
-hw_load $hw_load_str
+    else
-copy_img echo "Loading Demo $platform image..." && run hw_load
+        running_sonic_revision=`cat /etc/sonic/sonic_version.yml | grep build_version | awk -F \' '{print $2}'`
-nos_bootcmd run copy_img && setenv bootargs quiet console=\$consoledev,\$baudrate root=/dev/mmcblk0p1 rw rootwait rootfstype=ext4 loopfstype=squashfs loop=$image_dir/fs.squashfs systemd.unified_cgroup_hierarchy=0 && bootm \$loadaddr
+        SONIC_IMAGE_MAX=2
-EOF
+        idx=0
-    ) > /tmp/env.txt
+        for i in $(seq 1 $SONIC_IMAGE_MAX); do
+            if [ "`fw_printenv sonic_version_$i 2>/dev/null | awk -F = '{print $2}'`" != "SONiC-OS-$running_sonic_revision" ]; then
+                idx=$i
+                break
+            fi
+        done
 
-    fw_setenv -f -s /tmp/env.txt
+        fw_setenv nos_bootcmd "test -n \$boot_once && setenv do_boot_once \$boot_once && setenv boot_once && saveenv && run do_boot_once; run boot_next"
-    fw_setenv -f image_dir $image_dir
+
+        fw_setenv sonic_image_$idx "ext4load mmc 0:1 \$loadaddr \$sonic_dir_$idx/boot/sonic_arm64.fit && setenv bootargs quiet console=\$consoledev,\$baudrate root=/dev/mmcblk0p1 rw rootwait rootfstype=ext4 loopfstype=squashfs loop=\$sonic_dir_$idx/fs.squashfs systemd.unified_cgroup_hierarchy=0 && bootm \$loadaddr"
+        fw_setenv sonic_dir_$idx $image_dir
+        fw_setenv sonic_version_$idx `echo $image_dir | sed "s/^image-/SONiC-OS-/g"`
+
+        fw_setenv boot_next "run sonic_image_$idx"
+    fi
 }

platform/centec-arm64/sai.mk

@@ -1,6 +1,6 @@
 # Centec SAI
 
-export CENTEC_SAI_VERSION = 1.6.3-1
+export CENTEC_SAI_VERSION = 1.7.1-1
 export CENTEC_SAI = libsai_$(CENTEC_SAI_VERSION)_$(PLATFORM_ARCH).deb
 
 $(CENTEC_SAI)_URL = https://github.com/CentecNetworks/sonic-binaries/raw/master/$(PLATFORM_ARCH)/sai/$(CENTEC_SAI)

platform/centec-arm64/sonic-platform-modules-e530/24x2c/setup.py

@@ -5,11 +5,11 @@ from setuptools import setup
 os.listdir
 
 setup(
-   name='24x2c',
+   name='sonic_platform',
-   version='1.1',
+   version='1.0',
    description='Module to initialize centec e530-24x2c platforms',
    
-   packages=['24x2c'],
+   packages=['sonic_platform'],
-   package_dir={'24x2c': '24x2c/classes'},
+   package_dir={'sonic_platform': 'sonic_platform'},
 )
 

platform/centec-arm64/sonic-platform-modules-e530/24x2c/sonic_platform/__init__.py

@@ -0,0 +1,3 @@
+__all__ = ["platform", "chassis", "sfp", "eeprom", "psu", "thermal", "fan", "fan_drawer"]
+from . import platform
+

platform/centec-arm64/sonic-platform-modules-e530/24x2c/sonic_platform/chassis.py

@@ -0,0 +1,203 @@
+#!/usr/bin/env python
+#
+# Name: chassis.py, version: 1.0
+#
+# Description: Module contains the definitions of SONiC platform APIs 
+#
+
+try:
+    import os
+    import re
+    import collections
+    from sonic_platform_base.chassis_base import ChassisBase
+    from sonic_platform.eeprom import Eeprom
+    from .fan_drawer import FanDrawer
+    from .thermal import Thermal
+    from .sfp import Sfp
+    from .psu import Psu
+    from sonic_py_common import device_info
+except ImportError as e:
+    raise ImportError(str(e) + "- required module not found")
+
+NUM_FAN_TRAY = 1
+NUM_THERMAL = 1
+NUM_PSU = 2
+USR_SHARE_SONIC_PATH = "/usr/share/sonic"
+HOST_DEVICE_PATH = USR_SHARE_SONIC_PATH + "/device"
+CONTAINER_PLATFORM_PATH = USR_SHARE_SONIC_PATH + "/platform"
+
+class Chassis(ChassisBase):
+
+    def __init__(self):
+        ChassisBase.__init__(self)
+
+        if os.path.isdir(CONTAINER_PLATFORM_PATH):
+            platform_path = CONTAINER_PLATFORM_PATH
+        else:
+            platform = device_info.get_platform()
+            if platform is None:
+                raise
+            platform_path = os.path.join(HOST_DEVICE_PATH, platform)
+
+        port_config_file = "/".join([platform_path, "E530-24x2c", "port_config.ini"])
+        try:
+            f = open(port_config_file)
+        except:
+            raise
+        for line in f:
+            line.strip()
+            if re.search('^#', line) is not None:
+                Port_cfg = collections.namedtuple('Port_cfg', line.split()[1:])
+                break
+        f.close()
+        f = open(port_config_file)
+        _port_cfgs = [Port_cfg(*tuple((line.strip().split())))
+                           for line in f if re.search('^#', line) is None]
+        f.close()
+
+        # Initialize EEPROM
+        self._eeprom = Eeprom()
+        # Initialize FAN
+        for i in range(NUM_FAN_TRAY):
+            fandrawer = FanDrawer(i)
+            self._fan_drawer_list.append(fandrawer)
+            self._fan_list.extend(fandrawer._fan_list)
+        # Initialize THERMAL
+        for index in range(0, NUM_THERMAL):
+            thermal = Thermal(index)
+            self._thermal_list.append(thermal)
+        # Initialize SFP
+        for port_cfg in _port_cfgs:
+            sfp = Sfp(int(port_cfg.index))
+            self._sfp_list.append(sfp)
+        # Initialize PSU
+        for index in range(0, NUM_PSU):
+            psu = Psu(index + 1)
+            self._psu_list.append(psu)
+           
+##############################################
+# Device methods
+##############################################
+
+    def get_name(self):
+        """
+        Retrieves the name of the chassis
+        Returns:
+            string: The name of the chassis
+        """
+        return self._eeprom.modelstr()
+
+    def get_presence(self):
+        """
+        Retrieves the presence of the chassis
+        Returns:
+            bool: True if chassis is present, False if not
+        """
+        return True
+
+    def get_model(self):
+        """
+        Retrieves the model number (or part number) of the chassis
+        Returns:
+            string: Model/part number of chassis
+        """
+        return self._eeprom.part_number_str()
+
+    def get_serial(self):
+        """
+        Retrieves the serial number of the chassis
+        Returns:
+            string: Serial number of chassis
+        """
+        return self._eeprom.serial_number_str()
+
+    def get_status(self):
+        """
+        Retrieves the operational status of the chassis
+        Returns:
+            bool: A boolean value, True if chassis is operating properly
+            False if not
+        """
+        return True
+
+##############################################
+# Chassis methods
+##############################################
+
+    def get_base_mac(self):
+        """
+        Retrieves the base MAC address for the chassis
+
+        Returns:
+            A string containing the MAC address in the format
+            'XX:XX:XX:XX:XX:XX'
+        """
+        return self._eeprom.base_mac_addr()
+
+    def get_serial_number(self):
+        """
+        Retrieves the hardware serial number for the chassis
+
+        Returns:
+            A string containing the hardware serial number for this chassis.
+        """
+        return self._eeprom.serial_number_str()
+
+    def get_system_eeprom_info(self):
+        """
+        Retrieves the full content of system EEPROM information for the chassis
+
+        Returns:
+            A dictionary where keys are the type code defined in
+            OCP ONIE TlvInfo EEPROM format and values are their corresponding
+            values.
+            Ex. { '0x21':'AG9064', '0x22':'V1.0', '0x23':'AG9064-0109867821',
+                  '0x24':'001c0f000fcd0a', '0x25':'02/03/2018 16:22:00',
+                  '0x26':'01', '0x27':'REV01', '0x28':'AG9064-C2358-16G'}
+        """
+        return self._eeprom.system_eeprom_info()
+
+    def get_reboot_cause(self):
+        """
+        Retrieves the cause of the previous reboot
+        Returns:
+            A tuple (string, string) where the first element is a string
+            containing the cause of the previous reboot. This string must be
+            one of the predefined strings in this class. If the first string
+            is "REBOOT_CAUSE_HARDWARE_OTHER", the second string can be used
+            to pass a description of the reboot cause.
+        """
+        return (None, None)
+
+    def get_change_event(self, timeout=2000):
+        """
+        Returns a nested dictionary containing all devices which have
+        experienced a change at chassis level
+
+        Args:
+            timeout: Timeout in milliseconds (optional). If timeout == 0,
+                this method will block until a change is detected.
+
+        Returns:
+            (bool, dict):
+                - True if call successful, False if not;
+                - A nested dictionary where key is a device type,
+                  value is a dictionary with key:value pairs in the
+                  format of {'device_id':'device_event'},
+                  where device_id is the device ID for this device and
+                        device_event,
+                             status='1' represents device inserted,
+                             status='0' represents device removed.
+                  Ex. {'fan':{'0':'0', '2':'1'}, 'sfp':{'11':'0'}}
+                      indicates that fan 0 has been removed, fan 2
+                      has been inserted and sfp 11 has been removed.
+        """
+        ret, port_dict = self._sfp_list[0].get_transceiver_change_event(timeout)
+        ret_dict = {"sfp": port_dict}
+        return ret, ret_dict
+
+    def get_num_psus(self):
+        return len(self._psu_list)
+
+    def get_psu(self, psu_index):
+        return self._psu_list[psu_index]

platform/centec-arm64/sonic-platform-modules-e530/24x2c/sonic_platform/eeprom.py

@@ -0,0 +1,111 @@
+#!/usr/bin/env python
+#
+# Name: eeprom.py, version: 1.0
+#
+# Description: Module contains the definitions of SONiC platform APIs 
+#
+
+try:
+    from sonic_eeprom import eeprom_tlvinfo
+    import binascii
+except ImportError as e:
+    raise ImportError(str(e) + "- required module not found")
+
+class Eeprom(eeprom_tlvinfo.TlvInfoDecoder):
+
+    def __init__(self):
+        self.__eeprom_path = "/dev/mtd3"
+        super(Eeprom, self).__init__(self.__eeprom_path, 0, '', True)
+        self.__eeprom_tlv_dict = dict()
+        try:
+            self.open_eeprom()
+            self.__eeprom_data = self.read_eeprom()
+        except:
+            self.__eeprom_data = "N/A"
+            raise RuntimeError("Eeprom is not Programmed")
+        else:
+            eeprom = self.__eeprom_data
+
+            if not self.is_valid_tlvinfo_header(eeprom):
+                return
+
+            total_length = (eeprom[9] << 8) | eeprom[10]
+            tlv_index = self._TLV_INFO_HDR_LEN
+            tlv_end = self._TLV_INFO_HDR_LEN + total_length
+
+            while (tlv_index + 2) < len(eeprom) and tlv_index < tlv_end:
+                if not self.is_valid_tlv(eeprom[tlv_index:]):
+                    break
+
+                tlv = eeprom[tlv_index:tlv_index + 2
+                             + eeprom[tlv_index + 1]]
+                code = "0x%02X" % (tlv[0])
+
+                if tlv[0] == self._TLV_CODE_VENDOR_EXT:
+                    value = str((tlv[2] << 24) | (tlv[3] << 16) |
+                                (tlv[4] << 8) | tlv[5])
+                    value += str(tlv[6:6 + tlv[1]])
+                else:
+                    name, value = self.decoder(None, tlv)
+
+                self.__eeprom_tlv_dict[code] = value
+                if eeprom[tlv_index] == self._TLV_CODE_CRC_32:
+                    break
+
+                tlv_index += eeprom[tlv_index+1] + 2
+
+    def serial_number_str(self):
+        (is_valid, results) = self.get_tlv_field(
+                         self.__eeprom_data, self._TLV_CODE_SERIAL_NUMBER)
+        if not is_valid:
+            return "N/A"
+        return results[2].decode('ascii')
+
+    def base_mac_addr(self):
+        (is_valid, t) = self.get_tlv_field(
+                          self.__eeprom_data, self._TLV_CODE_MAC_BASE)
+        if not is_valid or t[1] != 6:
+            return super(TlvInfoDecoder, self).switchaddrstr(e)
+
+        return ":".join([binascii.b2a_hex(T) for T in t[2]])
+
+    def modelstr(self):
+        (is_valid, results) = self.get_tlv_field(
+                        self.__eeprom_data, self._TLV_CODE_PRODUCT_NAME)
+        if not is_valid:
+            return "N/A"
+
+        return results[2].decode('ascii')
+
+    def part_number_str(self):
+        (is_valid, results) = self.get_tlv_field(
+                    self.__eeprom_data, self._TLV_CODE_PART_NUMBER)
+        if not is_valid:
+            return "N/A"
+
+        return results[2].decode('ascii')
+
+    def serial_tag_str(self):
+        (is_valid, results) = self.get_tlv_field(
+                    self.__eeprom_data, self._TLV_CODE_SERVICE_TAG)
+        if not is_valid:
+            return "N/A"
+
+        return results[2].decode('ascii')
+
+    def revision_str(self):
+        (is_valid, results) = self.get_tlv_field(
+                    self.__eeprom_data, self._TLV_CODE_DEVICE_VERSION)
+        if not is_valid:
+            return "N/A"
+
+        return results[2].decode('ascii')
+
+    def system_eeprom_info(self):
+        """
+        Returns a dictionary, where keys are the type code defined in
+        ONIE EEPROM format and values are their corresponding values
+        found in the system EEPROM.
+        """
+        return self.__eeprom_tlv_dict
+

platform/centec-arm64/sonic-platform-modules-e530/24x2c/sonic_platform/fan.py

@@ -0,0 +1,186 @@
+#!/usr/bin/env python
+
+#############################################################################
+# Celestica
+#
+# Module contains an implementation of SONiC Platform Base API and
+# provides the fan status which are available in the platform
+#
+#############################################################################
+
+import math
+import os.path
+
+try:
+    from sonic_platform_base.fan_base import FanBase
+except ImportError as e:
+    raise ImportError(str(e) + "- required module not found")
+
+FAN_PATH = "/sys/class/hwmon/hwmon1/"
+FAN_MAX_PWM = 255
+FAN_FAN_PWM = "pwm{}"
+FAN_FAN_INPUT = "fan{}_input"
+FAN_MAX_RPM = 9000
+FAN_NAME_LIST = ["FAN-1", "FAN-2", "FAN-3", "FAN-4"]
+
+class Fan(FanBase):
+    """Platform-specific Fan class"""
+
+    def __init__(self, fan_tray_index, fan_index=0):
+        self.fan_index = fan_index
+        self.fan_tray_index = fan_tray_index
+
+        FanBase.__init__(self)
+
+    def __read_txt_file(self, file_path):
+        try:
+            with open(file_path, 'r') as fd:
+                data = fd.read()
+                return data.strip()
+        except IOError:
+            pass
+        return ""
+
+    def __write_txt_file(self, file_path, value):
+        try:
+            with open(file_path, 'w') as fd:
+                fd.write(str(value))
+        except Exception:
+            return False
+        return True
+
+    def __search_file_by_name(self, directory, file_name):
+        for dirpath, dirnames, files in os.walk(directory):
+            for name in files:
+                file_path = os.path.join(dirpath, name)
+                if name in file_name:
+                    return file_path
+        return None
+
+    def get_direction(self):
+        """
+        Retrieves the direction of fan
+        Returns:
+            A string, either FAN_DIRECTION_INTAKE or FAN_DIRECTION_EXHAUST
+            depending on fan direction
+        """
+        direction = self.FAN_DIRECTION_EXHAUST
+        return direction
+
+    def get_speed(self):
+        """
+        Retrieves the speed of fan as a percentage of full speed
+        Returns:
+            An integer, the percentage of full fan speed, in the range 0 (off)
+                 to 100 (full speed)
+
+        Note:
+            speed = pwm_in/255*100
+        """
+        speed = 0
+        fan_speed_sysfs_name = "fan{}_input".format(self.fan_index+1)
+        fan_speed_sysfs_path = self.__search_file_by_name(
+            FAN_PATH, fan_speed_sysfs_name)
+        fan_speed_rpm = self.__read_txt_file(fan_speed_sysfs_path) or 0
+        speed = math.ceil(float(fan_speed_rpm) * 100 / FAN_MAX_RPM)
+
+        return int(speed)
+
+    def get_target_speed(self):
+        """
+        Retrieves the target (expected) speed of the fan
+        Returns:
+            An integer, the percentage of full fan speed, in the range 0 (off)
+                 to 100 (full speed)
+
+        Note:
+            speed_pc = pwm_target/255*100
+
+            0   : when PWM mode is use
+            pwm : when pwm mode is not use
+        """
+        # target = 0
+        # fan_target_sysfs_name = "pwm{}".format(self.fan_index+1)
+        # fan_target_sysfs_path = self.__search_file_by_name(
+        #     FAN_PATH, fan_target_sysfs_name)
+        # fan_target_pwm = self.__read_txt_file(fan_target_sysfs_path) or 0
+        # target = math.ceil(float(fan_target_pwm) * 100 / FAN_MAX_PWM)
+
+        # return target
+        speed = 0
+        fan_speed_sysfs_name = "fan{}_input".format(self.fan_index+1)
+        fan_speed_sysfs_path = self.__search_file_by_name(
+            FAN_PATH, fan_speed_sysfs_name)
+        fan_speed_rpm = self.__read_txt_file(fan_speed_sysfs_path) or 0
+        speed = math.ceil(float(fan_speed_rpm) * 100 / FAN_MAX_RPM)
+
+        return speed
+
+    def get_speed_tolerance(self):
+        """
+        Retrieves the speed tolerance of the fan
+        Returns:
+            An integer, the percentage of variance from target speed which is
+                 considered tolerable
+        """
+        return 10
+
+    def set_speed(self, speed):
+        """
+        Sets the fan speed
+        Args:
+            speed: An integer, the percentage of full fan speed to set fan to,
+                   in the range 0 (off) to 100 (full speed)
+        Returns:
+            A boolean, True if speed is set successfully, False if not
+
+        Note:
+            Depends on pwm or target mode is selected:
+            1) pwm = speed_pc * 255             <-- Currently use this mode.
+            2) target_pwm = speed_pc * 100 / 255
+             2.1) set pwm{}_enable to 3
+
+        """
+        pwm = speed * 255 / 100
+        fan_target_sysfs_name = "pwm{}".format(self.fan_index+1)
+        fan_target_sysfs_path = self.__search_file_by_name(
+            FAN_PATH, fan_target_sysfs_name)
+        return self.__write_txt_file(fan_target_sysfs_path, int(pwm))
+
+    def set_status_led(self, color):
+        """
+        Sets the state of the fan module status LED
+        Args:
+            color: A string representing the color with which to set the
+                   fan module status LED
+        Returns:
+            bool: always True
+        """
+        return True
+
+    def get_name(self):
+        """
+        Retrieves the name of the device
+            Returns:
+            string: The name of the device
+        """
+        fan_name = FAN_NAME_LIST[self.fan_index]
+
+        return fan_name
+
+    def get_presence(self):
+        """
+        Retrieves the presence of the FAN
+        Returns:
+            bool: always True
+        """
+
+        return True
+
+    def get_status(self):
+        """
+        Retrieves the status of the FAN
+        Returns:
+            bool: always True
+        """
+        return True

platform/centec-arm64/sonic-platform-modules-e530/24x2c/sonic_platform/fan_drawer.py

@@ -0,0 +1,36 @@
+#!/usr/bin/env python
+
+########################################################################
+# Centec E530 24x2c
+#
+# Module contains an implementation of SONiC Platform Base API and
+# provides the Fan-Drawers' information available in the platform.
+#
+########################################################################
+
+try:
+    from sonic_platform_base.fan_drawer_base import FanDrawerBase
+    from .fan import Fan
+except ImportError as e:
+    raise ImportError(str(e) + "- required module not found")
+
+CENTEC_FANS_PER_FANTRAY = 3
+
+
+class FanDrawer(FanDrawerBase):
+    """Centec E530 24x2c Platform-specific Fan class"""
+
+    def __init__(self, fantray_index):
+
+        FanDrawerBase.__init__(self)
+        self.fantrayindex = fantray_index
+        for i in range(CENTEC_FANS_PER_FANTRAY):
+            self._fan_list.append(Fan(fantray_index, i))
+
+    def get_name(self):
+        """
+        Retrieves the fan drawer name
+        Returns:
+            string: The name of the device
+        """
+        return "FanTray{}".format(self.fantrayindex)

platform/centec-arm64/sonic-platform-modules-e530/24x2c/sonic_platform/platform.py

@@ -0,0 +1,21 @@
+#!/usr/bin/env python
+#
+# Name: platform.py, version: 1.0
+#
+# Description: Module contains the definitions of SONiC platform APIs for Centec E530-24X2C
+#
+
+
+try:
+    from sonic_platform_base.platform_base import PlatformBase
+    from sonic_platform.chassis import Chassis
+except ImportError as e:
+    raise ImportError(str(e) + "- required module not found")
+ 
+ 
+class Platform(PlatformBase):
+
+    def __init__(self):
+        PlatformBase.__init__(self)
+        self._chassis = Chassis()
+

platform/centec-arm64/sonic-platform-modules-e530/24x2c/sonic_platform/psu.py

@@ -0,0 +1,45 @@
+#!/usr/bin/env python
+
+from __future__ import print_function
+
+import imp
+import os
+
+try:
+    from sonic_platform_base.psu_base import PsuBase
+    from sonic_py_common import device_info
+except ImportError as e:
+    raise ImportError("%s - required module not found" % e)
+
+USR_SHARE_SONIC_PATH = "/usr/share/sonic"
+HOST_DEVICE_PATH = USR_SHARE_SONIC_PATH + "/device"
+CONTAINER_PLATFORM_PATH = USR_SHARE_SONIC_PATH + "/platform"
+
+class Psu(PsuBase):
+    """Centec Platform-specific PSU class"""
+
+    def __init__(self, index):
+        self._index = index
+        self._fan_list = []
+        
+        if os.path.isdir(CONTAINER_PLATFORM_PATH):
+            platform_path = CONTAINER_PLATFORM_PATH
+        else:
+            platform = device_info.get_platform()
+            if platform is None:
+                return
+            platform_path = os.path.join(HOST_DEVICE_PATH, platform)
+
+        module_file = "/".join([platform_path, "plugins", "psuutil.py"])
+        module = imp.load_source("psuutil", module_file)
+        psu_util_class = getattr(module, "PsuUtil")
+        self._psuutil = psu_util_class()
+
+    def _get_psuutil(self):
+        return self._psuutil
+
+    def get_presence(self):
+        return self._get_psuutil().get_psu_presence(self._index)
+
+    def get_powergood_status(self):
+        return self._get_psuutil().get_psu_status(self._index)

platform/centec-arm64/sonic-platform-modules-e530/24x2c/sonic_platform/sfp.py

@@ -0,0 +1,102 @@
+#!/usr/bin/env python
+
+from __future__ import print_function
+
+import imp
+import os
+
+try:
+    from sonic_platform_base.sfp_base import SfpBase
+    from sonic_py_common import device_info
+except ImportError as e:
+    raise ImportError("%s - required module not found" % e)
+
+USR_SHARE_SONIC_PATH = "/usr/share/sonic"
+HOST_DEVICE_PATH = USR_SHARE_SONIC_PATH + "/device"
+CONTAINER_PLATFORM_PATH = USR_SHARE_SONIC_PATH + "/platform"
+
+class Sfp(SfpBase):
+    """
+    Platform-specific sfp class
+
+    Unimplemented methods:
+    - get_model
+    - get_serial
+    - get_status
+    - get_transceiver_info
+    - get_transceiver_bulk_status
+    - get_transceiver_threshold_info
+    - get_reset_status
+    - get_rx_los
+    - get_tx_fault
+    - get_tx_disable_channel
+    - get_power_override
+    - get_temperature
+    - get_voltage
+    - get_tx_bias
+    - get_rx_power
+    - get_tx_power
+    - tx_disable_channel
+    - set_power_override
+    """
+
+    def __init__(self, index):
+        self._index = index
+        
+        if os.path.isdir(CONTAINER_PLATFORM_PATH):
+            platform_path = CONTAINER_PLATFORM_PATH
+        else:
+            platform = device_info.get_platform()
+            if platform is None:
+                return
+            platform_path = os.path.join(HOST_DEVICE_PATH, platform)
+
+        module_file = "/".join([platform_path, "plugins", "sfputil.py"])
+        module = imp.load_source("sfputil", module_file)
+        sfp_util_class = getattr(module, "SfpUtil")
+        self._sfputil = sfp_util_class()
+
+    def get_id(self):
+        return self._index
+
+    def get_name(self):
+        return "Ethernet{}".format(self._index)
+
+    def get_lpmode(self):
+        return False
+
+    def set_lpmode(self, lpmode):
+        return False
+
+    def get_tx_disable(self):
+        return False
+
+    def tx_disable(self, tx_disable):
+         return False
+
+    def reset(self):
+            pass
+
+    def clear_interrupt(self):
+        return False
+
+    def get_interrupt_file(self):
+        return None
+
+    def _get_sfputil(self):
+        return self._sfputil
+
+    def get_presence(self):
+        return self._get_sfputil().get_presence(self._index)
+
+    def get_transceiver_info(self):
+        return self._get_sfputil().get_transceiver_info_dict(self._index)
+
+    def get_transceiver_bulk_status(self):
+        return self._get_sfputil().get_transceiver_dom_info_dict(self._index)
+
+    def get_transceiver_threshold_info(self):
+        return self._get_sfputil().get_transceiver_dom_threshold_info_dict(self._index)
+
+    def get_transceiver_change_event(self, timeout):
+        return self._get_sfputil().get_transceiver_change_event(timeout)

platform/centec-arm64/sonic-platform-modules-e530/24x2c/sonic_platform/thermal.py

@@ -0,0 +1,118 @@
+#!/usr/bin/env python
+
+#############################################################################
+# Celestica
+#
+# Thermal contains an implementation of SONiC Platform Base API and
+# provides the thermal device status which are available in the platform
+#
+#############################################################################
+
+import os
+import os.path
+
+try:
+    from sonic_platform_base.thermal_base import ThermalBase
+except ImportError as e:
+    raise ImportError(str(e) + "- required module not found")
+
+
+class Thermal(ThermalBase):
+    """Platform-specific Thermal class"""
+
+    THERMAL_NAME_LIST = []
+    CPUBOARD_SS_PATH = "/sys/class/hwmon/hwmon1"
+
+    def __init__(self, thermal_index):
+        self.index = thermal_index
+        self.high_threshold = float(112)
+
+        # Add thermal name
+        self.THERMAL_NAME_LIST.append("SENSOR-1")
+
+        # Set hwmon path
+        self.ss_index, self.hwmon_path = 1, self.CPUBOARD_SS_PATH
+        self.ss_key = self.THERMAL_NAME_LIST[self.index - 1]
+
+    def __read_txt_file(self, file_path):
+        try:
+            with open(file_path, 'r') as fd:
+                data = fd.read()
+                return data.strip()
+        except IOError:
+            raise IOError("Unable to open %s file !" % file_path)
+
+    def __get_temp(self, temp_file):
+        temp_file_path = os.path.join(self.hwmon_path, temp_file)
+        raw_temp = self.__read_txt_file(temp_file_path)
+        temp = float(raw_temp)/1000
+        return float("{:.3f}".format(temp))
+
+    def __set_threshold(self, file_name, temperature):
+        temp_file_path = os.path.join(self.hwmon_path, file_name)
+        try:
+            with open(temp_file_path, 'w') as fd:
+                fd.write(str(temperature))
+            return True
+        except IOError:
+            return False
+
+    def get_temperature(self):
+        """
+        Retrieves current temperature reading from thermal
+        Returns:
+            A float number of current temperature in Celsius up to nearest thousandth
+            of one degree Celsius, e.g. 30.125
+        """
+        temp_file = "temp{}_input".format(self.ss_index)
+        return self.__get_temp(temp_file)
+
+    def get_high_threshold(self):
+        """
+        Retrieves the high threshold temperature of thermal
+        Returns:
+            A float number, the high threshold temperature of thermal in Celsius
+            up to nearest thousandth of one degree Celsius, e.g. 30.125
+        """
+        return self.high_threshold
+
+    def set_high_threshold(self, temperature):
+        """
+        Sets the high threshold temperature of thermal
+        Args :
+            temperature: A float number up to nearest thousandth of one degree Celsius,
+            e.g. 30.125
+        Returns:
+            A boolean, True if threshold is set successfully, False if not
+        """
+        self.high_threshold = float(temperature)
+        return True
+
+    def get_name(self):
+        """
+        Retrieves the name of the thermal device
+            Returns:
+            string: The name of the thermal device
+        """
+        return self.THERMAL_NAME_LIST[self.index]
+
+    def get_presence(self):
+        """
+        Retrieves the presence of the PSU
+        Returns:
+            bool: True if PSU is present, False if not
+        """
+        temp_file = "temp{}_input".format(self.ss_index)
+        temp_file_path = os.path.join(self.hwmon_path, temp_file)
+        return os.path.isfile(temp_file_path)
+
+    def get_status(self):
+        """
+        Retrieves the operational status of the device
+        Returns:
+            A boolean value, True if device is operating properly, False if not
+        """
+        if not self.get_presence():
+            return False
+
+        return True

platform/centec-arm64/sonic-platform-modules-e530/24x2q/modules/Makefile

@@ -0,0 +1 @@
+obj-m := centec_e530_24x2q_platform.o

platform/centec-arm64/sonic-platform-modules-e530/24x2q/service/24x2q_platform.service

@@ -0,0 +1,13 @@
+[Unit]
+Description=Centec modules init
+After=local-fs.target
+Before=syncd.service
+
+[Service]
+Type=oneshot
+ExecStart=-/etc/init.d/platform-modules-e530-24x2q start
+ExecStop=-/etc/init.d/platform-modules-e530-24x2q stop
+RemainAfterExit=yes
+
+[Install]
+WantedBy=multi-user.target

platform/centec-arm64/sonic-platform-modules-e530/24x2q/setup.py

@@ -0,0 +1,15 @@
+#!/usr/bin/env python
+
+import os
+from setuptools import setup
+os.listdir
+
+setup(
+   name='sonic_platform',
+   version='1.0',
+   description='Module to initialize centec e530-24x2q platforms',
+   
+   packages=['sonic_platform'],
+   package_dir={'sonic_platform': 'sonic_platform'},
+)
+

platform/centec-arm64/sonic-platform-modules-e530/24x2q/sonic_platform/__init__.py

@@ -0,0 +1,3 @@
+__all__ = ["platform", "chassis", "sfp", "eeprom", "psu", "thermal", "fan", "fan_drawer"]
+from . import platform
+

platform/centec-arm64/sonic-platform-modules-e530/24x2q/sonic_platform/chassis.py

@@ -0,0 +1,203 @@
+#!/usr/bin/env python
+#
+# Name: chassis.py, version: 1.0
+#
+# Description: Module contains the definitions of SONiC platform APIs 
+#
+
+try:
+    import os
+    import re
+    import collections
+    from sonic_platform_base.chassis_base import ChassisBase
+    from sonic_platform.eeprom import Eeprom
+    from .fan_drawer import FanDrawer
+    from .thermal import Thermal
+    from .sfp import Sfp
+    from .psu import Psu
+    from sonic_py_common import device_info
+except ImportError as e:
+    raise ImportError(str(e) + "- required module not found")
+
+NUM_FAN_TRAY = 1
+NUM_THERMAL = 1
+NUM_PSU = 2
+USR_SHARE_SONIC_PATH = "/usr/share/sonic"
+HOST_DEVICE_PATH = USR_SHARE_SONIC_PATH + "/device"
+CONTAINER_PLATFORM_PATH = USR_SHARE_SONIC_PATH + "/platform"
+
+class Chassis(ChassisBase):
+
+    def __init__(self):
+        ChassisBase.__init__(self)
+
+        if os.path.isdir(CONTAINER_PLATFORM_PATH):
+            platform_path = CONTAINER_PLATFORM_PATH
+        else:
+            platform = device_info.get_platform()
+            if platform is None:
+                raise
+            platform_path = os.path.join(HOST_DEVICE_PATH, platform)
+
+        port_config_file = "/".join([platform_path, "E530-24x2q", "port_config.ini"])
+        try:
+            f = open(port_config_file)
+        except:
+            raise
+        for line in f:
+            line.strip()
+            if re.search('^#', line) is not None:
+                Port_cfg = collections.namedtuple('Port_cfg', line.split()[1:])
+                break
+        f.close()
+        f = open(port_config_file)
+        _port_cfgs = [Port_cfg(*tuple((line.strip().split())))
+                           for line in f if re.search('^#', line) is None]
+        f.close()
+
+        # Initialize EEPROM
+        self._eeprom = Eeprom()
+        # Initialize FAN
+        for i in range(NUM_FAN_TRAY):
+            fandrawer = FanDrawer(i)
+            self._fan_drawer_list.append(fandrawer)
+            self._fan_list.extend(fandrawer._fan_list)
+        # Initialize THERMAL
+        for index in range(0, NUM_THERMAL):
+            thermal = Thermal(index)
+            self._thermal_list.append(thermal)
+        # Initialize SFP
+        for port_cfg in _port_cfgs:
+            sfp = Sfp(int(port_cfg.index))
+            self._sfp_list.append(sfp)
+        # Initialize PSU
+        for index in range(0, NUM_PSU):
+            psu = Psu(index + 1)
+            self._psu_list.append(psu)
+           
+##############################################
+# Device methods
+##############################################
+
+    def get_name(self):
+        """
+        Retrieves the name of the chassis
+        Returns:
+            string: The name of the chassis
+        """
+        return self._eeprom.modelstr()
+
+    def get_presence(self):
+        """
+        Retrieves the presence of the chassis
+        Returns:
+            bool: True if chassis is present, False if not
+        """
+        return True
+
+    def get_model(self):
+        """
+        Retrieves the model number (or part number) of the chassis
+        Returns:
+            string: Model/part number of chassis
+        """
+        return self._eeprom.part_number_str()
+
+    def get_serial(self):
+        """
+        Retrieves the serial number of the chassis
+        Returns:
+            string: Serial number of chassis
+        """
+        return self._eeprom.serial_number_str()
+
+    def get_status(self):
+        """
+        Retrieves the operational status of the chassis
+        Returns:
+            bool: A boolean value, True if chassis is operating properly
+            False if not
+        """
+        return True
+
+##############################################
+# Chassis methods
+##############################################
+
+    def get_base_mac(self):
+        """
+        Retrieves the base MAC address for the chassis
+
+        Returns:
+            A string containing the MAC address in the format
+            'XX:XX:XX:XX:XX:XX'
+        """
+        return self._eeprom.base_mac_addr()
+
+    def get_serial_number(self):
+        """
+        Retrieves the hardware serial number for the chassis
+
+        Returns:
+            A string containing the hardware serial number for this chassis.
+        """
+        return self._eeprom.serial_number_str()
+
+    def get_system_eeprom_info(self):
+        """
+        Retrieves the full content of system EEPROM information for the chassis
+
+        Returns:
+            A dictionary where keys are the type code defined in
+            OCP ONIE TlvInfo EEPROM format and values are their corresponding
+            values.
+            Ex. { '0x21':'AG9064', '0x22':'V1.0', '0x23':'AG9064-0109867821',
+                  '0x24':'001c0f000fcd0a', '0x25':'02/03/2018 16:22:00',
+                  '0x26':'01', '0x27':'REV01', '0x28':'AG9064-C2358-16G'}
+        """
+        return self._eeprom.system_eeprom_info()
+
+    def get_reboot_cause(self):
+        """
+        Retrieves the cause of the previous reboot
+        Returns:
+            A tuple (string, string) where the first element is a string
+            containing the cause of the previous reboot. This string must be
+            one of the predefined strings in this class. If the first string
+            is "REBOOT_CAUSE_HARDWARE_OTHER", the second string can be used
+            to pass a description of the reboot cause.
+        """
+        return (None, None)
+
+    def get_change_event(self, timeout=2000):
+        """
+        Returns a nested dictionary containing all devices which have
+        experienced a change at chassis level
+
+        Args:
+            timeout: Timeout in milliseconds (optional). If timeout == 0,
+                this method will block until a change is detected.
+
+        Returns:
+            (bool, dict):
+                - True if call successful, False if not;
+                - A nested dictionary where key is a device type,
+                  value is a dictionary with key:value pairs in the
+                  format of {'device_id':'device_event'},
+                  where device_id is the device ID for this device and
+                        device_event,
+                             status='1' represents device inserted,
+                             status='0' represents device removed.
+                  Ex. {'fan':{'0':'0', '2':'1'}, 'sfp':{'11':'0'}}
+                      indicates that fan 0 has been removed, fan 2
+                      has been inserted and sfp 11 has been removed.
+        """
+        ret, port_dict = self._sfp_list[0].get_transceiver_change_event(timeout)
+        ret_dict = {"sfp": port_dict}
+        return ret, ret_dict
+
+    def get_num_psus(self):
+        return len(self._psu_list)
+
+    def get_psu(self, psu_index):
+        return self._psu_list[psu_index]

platform/centec-arm64/sonic-platform-modules-e530/24x2q/sonic_platform/eeprom.py

@@ -0,0 +1,111 @@
+#!/usr/bin/env python
+#
+# Name: eeprom.py, version: 1.0
+#
+# Description: Module contains the definitions of SONiC platform APIs 
+#
+
+try:
+    from sonic_eeprom import eeprom_tlvinfo
+    import binascii
+except ImportError as e:
+    raise ImportError(str(e) + "- required module not found")
+
+class Eeprom(eeprom_tlvinfo.TlvInfoDecoder):
+
+    def __init__(self):
+        self.__eeprom_path = "/dev/mtd3"
+        super(Eeprom, self).__init__(self.__eeprom_path, 0, '', True)
+        self.__eeprom_tlv_dict = dict()
+        try:
+            self.open_eeprom()
+            self.__eeprom_data = self.read_eeprom()
+        except:
+            self.__eeprom_data = "N/A"
+            raise RuntimeError("Eeprom is not Programmed")
+        else:
+            eeprom = self.__eeprom_data
+
+            if not self.is_valid_tlvinfo_header(eeprom):
+                return
+
+            total_length = (eeprom[9] << 8) | eeprom[10]
+            tlv_index = self._TLV_INFO_HDR_LEN
+            tlv_end = self._TLV_INFO_HDR_LEN + total_length
+
+            while (tlv_index + 2) < len(eeprom) and tlv_index < tlv_end:
+                if not self.is_valid_tlv(eeprom[tlv_index:]):
+                    break
+
+                tlv = eeprom[tlv_index:tlv_index + 2
+                             + eeprom[tlv_index + 1]]
+                code = "0x%02X" % (tlv[0])
+
+                if tlv[0] == self._TLV_CODE_VENDOR_EXT:
+                    value = str((tlv[2] << 24) | (tlv[3] << 16) |
+                                (tlv[4] << 8) | tlv[5])
+                    value += str(tlv[6:6 + tlv[1]])
+                else:
+                    name, value = self.decoder(None, tlv)
+
+                self.__eeprom_tlv_dict[code] = value
+                if eeprom[tlv_index] == self._TLV_CODE_CRC_32:
+                    break
+
+                tlv_index += eeprom[tlv_index+1] + 2
+
+    def serial_number_str(self):
+        (is_valid, results) = self.get_tlv_field(
+                         self.__eeprom_data, self._TLV_CODE_SERIAL_NUMBER)
+        if not is_valid:
+            return "N/A"
+        return results[2].decode('ascii')
+
+    def base_mac_addr(self):
+        (is_valid, t) = self.get_tlv_field(
+                          self.__eeprom_data, self._TLV_CODE_MAC_BASE)
+        if not is_valid or t[1] != 6:
+            return super(TlvInfoDecoder, self).switchaddrstr(e)
+
+        return ":".join([binascii.b2a_hex(T) for T in t[2]])
+
+    def modelstr(self):
+        (is_valid, results) = self.get_tlv_field(
+                        self.__eeprom_data, self._TLV_CODE_PRODUCT_NAME)
+        if not is_valid:
+            return "N/A"
+
+        return results[2].decode('ascii')
+
+    def part_number_str(self):
+        (is_valid, results) = self.get_tlv_field(
+                    self.__eeprom_data, self._TLV_CODE_PART_NUMBER)
+        if not is_valid:
+            return "N/A"
+
+        return results[2].decode('ascii')
+
+    def serial_tag_str(self):
+        (is_valid, results) = self.get_tlv_field(
+                    self.__eeprom_data, self._TLV_CODE_SERVICE_TAG)
+        if not is_valid:
+            return "N/A"
+
+        return results[2].decode('ascii')
+
+    def revision_str(self):
+        (is_valid, results) = self.get_tlv_field(
+                    self.__eeprom_data, self._TLV_CODE_DEVICE_VERSION)
+        if not is_valid:
+            return "N/A"
+
+        return results[2].decode('ascii')
+
+    def system_eeprom_info(self):
+        """
+        Returns a dictionary, where keys are the type code defined in
+        ONIE EEPROM format and values are their corresponding values
+        found in the system EEPROM.
+        """
+        return self.__eeprom_tlv_dict
+

platform/centec-arm64/sonic-platform-modules-e530/24x2q/sonic_platform/fan.py

@@ -0,0 +1,186 @@
+#!/usr/bin/env python
+
+#############################################################################
+# Celestica
+#
+# Module contains an implementation of SONiC Platform Base API and
+# provides the fan status which are available in the platform
+#
+#############################################################################
+
+import math
+import os.path
+
+try:
+    from sonic_platform_base.fan_base import FanBase
+except ImportError as e:
+    raise ImportError(str(e) + "- required module not found")
+
+FAN_PATH = "/sys/class/hwmon/hwmon1/"
+FAN_MAX_PWM = 255
+FAN_FAN_PWM = "pwm{}"
+FAN_FAN_INPUT = "fan{}_input"
+FAN_MAX_RPM = 9000
+FAN_NAME_LIST = ["FAN-1", "FAN-2", "FAN-3", "FAN-4"]
+
+class Fan(FanBase):
+    """Platform-specific Fan class"""
+
+    def __init__(self, fan_tray_index, fan_index=0):
+        self.fan_index = fan_index
+        self.fan_tray_index = fan_tray_index
+
+        FanBase.__init__(self)
+
+    def __read_txt_file(self, file_path):
+        try:
+            with open(file_path, 'r') as fd:
+                data = fd.read()
+                return data.strip()
+        except IOError:
+            pass
+        return ""
+
+    def __write_txt_file(self, file_path, value):
+        try:
+            with open(file_path, 'w') as fd:
+                fd.write(str(value))
+        except Exception:
+            return False
+        return True
+
+    def __search_file_by_name(self, directory, file_name):
+        for dirpath, dirnames, files in os.walk(directory):
+            for name in files:
+                file_path = os.path.join(dirpath, name)
+                if name in file_name:
+                    return file_path
+        return None
+
+    def get_direction(self):
+        """
+        Retrieves the direction of fan
+        Returns:
+            A string, either FAN_DIRECTION_INTAKE or FAN_DIRECTION_EXHAUST
+            depending on fan direction
+        """
+        direction = self.FAN_DIRECTION_EXHAUST
+        return direction
+
+    def get_speed(self):
+        """
+        Retrieves the speed of fan as a percentage of full speed
+        Returns:
+            An integer, the percentage of full fan speed, in the range 0 (off)
+                 to 100 (full speed)
+
+        Note:
+            speed = pwm_in/255*100
+        """
+        speed = 0
+        fan_speed_sysfs_name = "fan{}_input".format(self.fan_index+1)
+        fan_speed_sysfs_path = self.__search_file_by_name(
+            FAN_PATH, fan_speed_sysfs_name)
+        fan_speed_rpm = self.__read_txt_file(fan_speed_sysfs_path) or 0
+        speed = math.ceil(float(fan_speed_rpm) * 100 / FAN_MAX_RPM)
+
+        return int(speed)
+
+    def get_target_speed(self):
+        """
+        Retrieves the target (expected) speed of the fan
+        Returns:
+            An integer, the percentage of full fan speed, in the range 0 (off)
+                 to 100 (full speed)
+
+        Note:
+            speed_pc = pwm_target/255*100
+
+            0   : when PWM mode is use
+            pwm : when pwm mode is not use
+        """
+        # target = 0
+        # fan_target_sysfs_name = "pwm{}".format(self.fan_index+1)
+        # fan_target_sysfs_path = self.__search_file_by_name(
+        #     FAN_PATH, fan_target_sysfs_name)
+        # fan_target_pwm = self.__read_txt_file(fan_target_sysfs_path) or 0
+        # target = math.ceil(float(fan_target_pwm) * 100 / FAN_MAX_PWM)
+
+        # return target
+        speed = 0
+        fan_speed_sysfs_name = "fan{}_input".format(self.fan_index+1)
+        fan_speed_sysfs_path = self.__search_file_by_name(
+            FAN_PATH, fan_speed_sysfs_name)
+        fan_speed_rpm = self.__read_txt_file(fan_speed_sysfs_path) or 0
+        speed = math.ceil(float(fan_speed_rpm) * 100 / FAN_MAX_RPM)
+
+        return speed
+
+    def get_speed_tolerance(self):
+        """
+        Retrieves the speed tolerance of the fan
+        Returns:
+            An integer, the percentage of variance from target speed which is
+                 considered tolerable
+        """
+        return 10
+
+    def set_speed(self, speed):
+        """
+        Sets the fan speed
+        Args:
+            speed: An integer, the percentage of full fan speed to set fan to,
+                   in the range 0 (off) to 100 (full speed)
+        Returns:
+            A boolean, True if speed is set successfully, False if not
+
+        Note:
+            Depends on pwm or target mode is selected:
+            1) pwm = speed_pc * 255             <-- Currently use this mode.
+            2) target_pwm = speed_pc * 100 / 255
+             2.1) set pwm{}_enable to 3
+
+        """
+        pwm = speed * 255 / 100
+        fan_target_sysfs_name = "pwm{}".format(self.fan_index+1)
+        fan_target_sysfs_path = self.__search_file_by_name(
+            FAN_PATH, fan_target_sysfs_name)
+        return self.__write_txt_file(fan_target_sysfs_path, int(pwm))
+
+    def set_status_led(self, color):
+        """
+        Sets the state of the fan module status LED
+        Args:
+            color: A string representing the color with which to set the
+                   fan module status LED
+        Returns:
+            bool: always True
+        """
+        return True
+
+    def get_name(self):
+        """
+        Retrieves the name of the device
+            Returns:
+            string: The name of the device
+        """
+        fan_name = FAN_NAME_LIST[self.fan_index]
+
+        return fan_name
+
+    def get_presence(self):
+        """
+        Retrieves the presence of the FAN
+        Returns:
+            bool: always True
+        """
+
+        return True
+
+    def get_status(self):
+        """
+        Retrieves the status of the FAN
+        Returns:
+            bool: always True
+        """
+        return True

platform/centec-arm64/sonic-platform-modules-e530/24x2q/sonic_platform/fan_drawer.py

@@ -0,0 +1,36 @@
+#!/usr/bin/env python
+
+########################################################################
+# Centec E530 24x2q
+#
+# Module contains an implementation of SONiC Platform Base API and
+# provides the Fan-Drawers' information available in the platform.
+#
+########################################################################
+
+try:
+    from sonic_platform_base.fan_drawer_base import FanDrawerBase
+    from .fan import Fan
+except ImportError as e:
+    raise ImportError(str(e) + "- required module not found")
+
+CENTEC_FANS_PER_FANTRAY = 3
+
+
+class FanDrawer(FanDrawerBase):
+    """Centec E530 24x2q Platform-specific Fan class"""
+
+    def __init__(self, fantray_index):
+
+        FanDrawerBase.__init__(self)
+        self.fantrayindex = fantray_index
+        for i in range(CENTEC_FANS_PER_FANTRAY):
+            self._fan_list.append(Fan(fantray_index, i))
+
+    def get_name(self):
+        """
+        Retrieves the fan drawer name
+        Returns:
+            string: The name of the device
+        """
+        return "FanTray{}".format(self.fantrayindex)

platform/centec-arm64/sonic-platform-modules-e530/24x2q/sonic_platform/platform.py

@@ -0,0 +1,21 @@
+#!/usr/bin/env python
+#
+# Name: platform.py, version: 1.0
+#
+# Description: Module contains the definitions of SONiC platform APIs for Centec E530-24X2Q
+#
+
+
+try:
+    from sonic_platform_base.platform_base import PlatformBase
+    from sonic_platform.chassis import Chassis
+except ImportError as e:
+    raise ImportError(str(e) + "- required module not found")
+ 
+ 
+class Platform(PlatformBase):
+
+    def __init__(self):
+        PlatformBase.__init__(self)
+        self._chassis = Chassis()
+

platform/centec-arm64/sonic-platform-modules-e530/24x2q/sonic_platform/psu.py

@@ -0,0 +1,45 @@
+#!/usr/bin/env python
+
+from __future__ import print_function
+
+import imp
+import os
+
+try:
+    from sonic_platform_base.psu_base import PsuBase
+    from sonic_py_common import device_info
+except ImportError as e:
+    raise ImportError("%s - required module not found" % e)
+
+USR_SHARE_SONIC_PATH = "/usr/share/sonic"
+HOST_DEVICE_PATH = USR_SHARE_SONIC_PATH + "/device"
+CONTAINER_PLATFORM_PATH = USR_SHARE_SONIC_PATH + "/platform"
+
+class Psu(PsuBase):
+    """Centec Platform-specific PSU class"""
+
+    def __init__(self, index):
+        self._index = index
+        self._fan_list = []
+        
+        if os.path.isdir(CONTAINER_PLATFORM_PATH):
+            platform_path = CONTAINER_PLATFORM_PATH
+        else:
+            platform = device_info.get_platform()
+            if platform is None:
+                return
+            platform_path = os.path.join(HOST_DEVICE_PATH, platform)
+
+        module_file = "/".join([platform_path, "plugins", "psuutil.py"])
+        module = imp.load_source("psuutil", module_file)
+        psu_util_class = getattr(module, "PsuUtil")
+        self._psuutil = psu_util_class()
+
+    def _get_psuutil(self):
+        return self._psuutil
+
+    def get_presence(self):
+        return self._get_psuutil().get_psu_presence(self._index)
+
+    def get_powergood_status(self):
+        return self._get_psuutil().get_psu_status(self._index)

platform/centec-arm64/sonic-platform-modules-e530/24x2q/sonic_platform/sfp.py

@@ -0,0 +1,102 @@
+#!/usr/bin/env python
+
+from __future__ import print_function
+
+import imp
+import os
+
+try:
+    from sonic_platform_base.sfp_base import SfpBase
+    from sonic_py_common import device_info
+except ImportError as e:
+    raise ImportError("%s - required module not found" % e)
+
+USR_SHARE_SONIC_PATH = "/usr/share/sonic"
+HOST_DEVICE_PATH = USR_SHARE_SONIC_PATH + "/device"
+CONTAINER_PLATFORM_PATH = USR_SHARE_SONIC_PATH + "/platform"
+
+class Sfp(SfpBase):
+    """
+    Platform-specific sfp class
+
+    Unimplemented methods:
+    - get_model
+    - get_serial
+    - get_status
+    - get_transceiver_info
+    - get_transceiver_bulk_status
+    - get_transceiver_threshold_info
+    - get_reset_status
+    - get_rx_los
+    - get_tx_fault
+    - get_tx_disable_channel
+    - get_power_override
+    - get_temperature
+    - get_voltage
+    - get_tx_bias
+    - get_rx_power
+    - get_tx_power
+    - tx_disable_channel
+    - set_power_override
+    """
+
+    def __init__(self, index):
+        self._index = index
+        
+        if os.path.isdir(CONTAINER_PLATFORM_PATH):
+            platform_path = CONTAINER_PLATFORM_PATH
+        else:
+            platform = device_info.get_platform()
+            if platform is None:
+                return
+            platform_path = os.path.join(HOST_DEVICE_PATH, platform)
+
+        module_file = "/".join([platform_path, "plugins", "sfputil.py"])
+        module = imp.load_source("sfputil", module_file)
+        sfp_util_class = getattr(module, "SfpUtil")
+        self._sfputil = sfp_util_class()
+
+    def get_id(self):
+        return self._index
+
+    def get_name(self):
+        return "Ethernet{}".format(self._index)
+
+    def get_lpmode(self):
+        return False
+
+    def set_lpmode(self, lpmode):
+        return False
+
+    def get_tx_disable(self):
+        return False
+
+    def tx_disable(self, tx_disable):
+         return False
+
+    def reset(self):
+            pass
+
+    def clear_interrupt(self):
+        return False
+
+    def get_interrupt_file(self):
+        return None
+
+    def _get_sfputil(self):
+        return self._sfputil
+
+    def get_presence(self):
+        return self._get_sfputil().get_presence(self._index)
+
+    def get_transceiver_info(self):
+        return self._get_sfputil().get_transceiver_info_dict(self._index)
+
+    def get_transceiver_bulk_status(self):
+        return self._get_sfputil().get_transceiver_dom_info_dict(self._index)
+
+    def get_transceiver_threshold_info(self):
+        return self._get_sfputil().get_transceiver_dom_threshold_info_dict(self._index)
+
+    def get_transceiver_change_event(self, timeout):
+        return self._get_sfputil().get_transceiver_change_event(timeout)

platform/centec-arm64/sonic-platform-modules-e530/24x2q/sonic_platform/thermal.py

@@ -0,0 +1,118 @@
+#!/usr/bin/env python
+
+#############################################################################
+# Celestica
+#
+# Thermal contains an implementation of SONiC Platform Base API and
+# provides the thermal device status which are available in the platform
+#
+#############################################################################
+
+import os
+import os.path
+
+try:
+    from sonic_platform_base.thermal_base import ThermalBase
+except ImportError as e:
+    raise ImportError(str(e) + "- required module not found")
+
+
+class Thermal(ThermalBase):
+    """Platform-specific Thermal class"""
+
+    THERMAL_NAME_LIST = []
+    CPUBOARD_SS_PATH = "/sys/class/hwmon/hwmon1"
+
+    def __init__(self, thermal_index):
+        self.index = thermal_index
+        self.high_threshold = float(112)
+
+        # Add thermal name
+        self.THERMAL_NAME_LIST.append("SENSOR-1")
+
+        # Set hwmon path
+        self.ss_index, self.hwmon_path = 1, self.CPUBOARD_SS_PATH
+        self.ss_key = self.THERMAL_NAME_LIST[self.index - 1]
+
+    def __read_txt_file(self, file_path):
+        try:
+            with open(file_path, 'r') as fd:
+                data = fd.read()
+                return data.strip()
+        except IOError:
+            raise IOError("Unable to open %s file !" % file_path)
+
+    def __get_temp(self, temp_file):
+        temp_file_path = os.path.join(self.hwmon_path, temp_file)
+        raw_temp = self.__read_txt_file(temp_file_path)
+        temp = float(raw_temp)/1000
+        return float("{:.3f}".format(temp))
+
+    def __set_threshold(self, file_name, temperature):
+        temp_file_path = os.path.join(self.hwmon_path, file_name)
+        try:
+            with open(temp_file_path, 'w') as fd:
+                fd.write(str(temperature))
+            return True
+        except IOError:
+            return False
+
+    def get_temperature(self):
+        """
+        Retrieves current temperature reading from thermal
+        Returns:
+            A float number of current temperature in Celsius up to nearest thousandth
+            of one degree Celsius, e.g. 30.125
+        """
+        temp_file = "temp{}_input".format(self.ss_index)
+        return self.__get_temp(temp_file)
+
+    def get_high_threshold(self):
+        """
+        Retrieves the high threshold temperature of thermal
+        Returns:
+            A float number, the high threshold temperature of thermal in Celsius
+            up to nearest thousandth of one degree Celsius, e.g. 30.125
+        """
+        return self.high_threshold
+
+    def set_high_threshold(self, temperature):
+        """
+        Sets the high threshold temperature of thermal
+        Args :
+            temperature: A float number up to nearest thousandth of one degree Celsius,
+            e.g. 30.125
+        Returns:
+            A boolean, True if threshold is set successfully, False if not
+        """
+        self.high_threshold = float(temperature)
+        return True
+
+    def get_name(self):
+        """
+        Retrieves the name of the thermal device
+            Returns:
+            string: The name of the thermal device
+        """
+        return self.THERMAL_NAME_LIST[self.index]
+
+    def get_presence(self):
+        """
+        Retrieves the presence of the PSU
+        Returns:
+            bool: True if PSU is present, False if not
+        """
+        temp_file = "temp{}_input".format(self.ss_index)
+        temp_file_path = os.path.join(self.hwmon_path, temp_file)
+        return os.path.isfile(temp_file_path)
+
+    def get_status(self):
+        """
+        Retrieves the operational status of the device
+        Returns:
+            A boolean value, True if device is operating properly, False if not
+        """
+        if not self.get_presence():
+            return False
+
+        return True

platform/centec-arm64/sonic-platform-modules-e530/48s4x/modules/Makefile

@@ -0,0 +1 @@
+obj-m := centec_e530_48s4x_platform.o

platform/centec-arm64/sonic-platform-modules-e530/48s4x/service/48s4x_platform.service

@@ -0,0 +1,13 @@
+[Unit]
+Description=Centec modules init
+After=local-fs.target
+Before=syncd.service
+
+[Service]
+Type=oneshot
+ExecStart=-/etc/init.d/platform-modules-e530-48s4x start
+ExecStop=-/etc/init.d/platform-modules-e530-48s4x stop
+RemainAfterExit=yes
+
+[Install]
+WantedBy=multi-user.target

platform/centec-arm64/sonic-platform-modules-e530/48s4x/setup.py

@@ -0,0 +1,15 @@
+#!/usr/bin/env python
+
+import os
+from setuptools import setup
+os.listdir
+
+setup(
+   name='sonic_platform',
+   version='1.0',
+   description='Module to initialize centec e530-48s4x platforms',
+   
+   packages=['sonic_platform'],
+   package_dir={'sonic_platform': 'sonic_platform'},
+)
+

platform/centec-arm64/sonic-platform-modules-e530/48s4x/sonic_platform/__init__.py

@@ -0,0 +1,3 @@
+__all__ = ["platform", "chassis", "sfp", "eeprom", "psu", "thermal", "fan", "fan_drawer"]
+from . import platform
+

platform/centec-arm64/sonic-platform-modules-e530/48s4x/sonic_platform/chassis.py

@@ -0,0 +1,173 @@
+#!/usr/bin/env python
+#
+# Name: chassis.py, version: 1.0
+#
+# Description: Module contains the definitions of SONiC platform APIs 
+#
+
+try:
+    from sonic_platform_base.chassis_base import ChassisBase
+    from sonic_platform.eeprom import Eeprom
+    from .fan_drawer import FanDrawer
+    from .thermal import Thermal
+    from .sfp import Sfp
+    from .psu import Psu
+
+except ImportError as e:
+    raise ImportError(str(e) + "- required module not found")
+
+NUM_FAN_TRAY = 1
+NUM_THERMAL = 1
+NUM_PORT    = 52
+NUM_PSU = 2
+
+class Chassis(ChassisBase):
+
+    def __init__(self):
+        ChassisBase.__init__(self)
+        # Initialize EEPROM
+        self._eeprom = Eeprom()
+        # Initialize FAN
+        for i in range(NUM_FAN_TRAY):
+            fandrawer = FanDrawer(i)
+            self._fan_drawer_list.append(fandrawer)
+            self._fan_list.extend(fandrawer._fan_list)
+        # Initialize THERMAL
+        for index in range(0, NUM_THERMAL):
+            thermal = Thermal(index)
+            self._thermal_list.append(thermal)
+        # Initialize SFP
+        for index in range(0, NUM_PORT):
+            sfp = Sfp(index)
+            self._sfp_list.append(sfp)
+        # Initialize PSU
+        for index in range(0, NUM_PSU):
+            psu = Psu(index + 1)
+            self._psu_list.append(psu)
+           
+##############################################
+# Device methods
+##############################################
+
+    def get_name(self):
+        """
+        Retrieves the name of the chassis
+        Returns:
+            string: The name of the chassis
+        """
+        return self._eeprom.modelstr()
+
+    def get_presence(self):
+        """
+        Retrieves the presence of the chassis
+        Returns:
+            bool: True if chassis is present, False if not
+        """
+        return True
+
+    def get_model(self):
+        """
+        Retrieves the model number (or part number) of the chassis
+        Returns:
+            string: Model/part number of chassis
+        """
+        return self._eeprom.part_number_str()
+
+    def get_serial(self):
+        """
+        Retrieves the serial number of the chassis
+        Returns:
+            string: Serial number of chassis
+        """
+        return self._eeprom.serial_number_str()
+
+    def get_status(self):
+        """
+        Retrieves the operational status of the chassis
+        Returns:
+            bool: A boolean value, True if chassis is operating properly
+            False if not
+        """
+        return True
+
+##############################################
+# Chassis methods
+##############################################
+
+    def get_base_mac(self):
+        """
+        Retrieves the base MAC address for the chassis
+
+        Returns:
+            A string containing the MAC address in the format
+            'XX:XX:XX:XX:XX:XX'
+        """
+        return self._eeprom.base_mac_addr()
+
+    def get_serial_number(self):
+        """
+        Retrieves the hardware serial number for the chassis
+
+        Returns:
+            A string containing the hardware serial number for this chassis.
+        """
+        return self._eeprom.serial_number_str()
+
+    def get_system_eeprom_info(self):
+        """
+        Retrieves the full content of system EEPROM information for the chassis
+
+        Returns:
+            A dictionary where keys are the type code defined in
+            OCP ONIE TlvInfo EEPROM format and values are their corresponding
+            values.
+            Ex. { '0x21':'AG9064', '0x22':'V1.0', '0x23':'AG9064-0109867821',
+                  '0x24':'001c0f000fcd0a', '0x25':'02/03/2018 16:22:00',
+                  '0x26':'01', '0x27':'REV01', '0x28':'AG9064-C2358-16G'}
+        """
+        return self._eeprom.system_eeprom_info()
+
+    def get_reboot_cause(self):
+        """
+        Retrieves the cause of the previous reboot
+        Returns:
+            A tuple (string, string) where the first element is a string
+            containing the cause of the previous reboot. This string must be
+            one of the predefined strings in this class. If the first string
+            is "REBOOT_CAUSE_HARDWARE_OTHER", the second string can be used
+            to pass a description of the reboot cause.
+        """
+        return (None, None)
+
+    def get_change_event(self, timeout=2000):
+        """
+        Returns a nested dictionary containing all devices which have
+        experienced a change at chassis level
+
+        Args:
+            timeout: Timeout in milliseconds (optional). If timeout == 0,
+                this method will block until a change is detected.
+
+        Returns:
+            (bool, dict):
+                - True if call successful, False if not;
+                - A nested dictionary where key is a device type,
+                  value is a dictionary with key:value pairs in the
+                  format of {'device_id':'device_event'},
+                  where device_id is the device ID for this device and
+                        device_event,
+                             status='1' represents device inserted,
+                             status='0' represents device removed.
+                  Ex. {'fan':{'0':'0', '2':'1'}, 'sfp':{'11':'0'}}
+                      indicates that fan 0 has been removed, fan 2
+                      has been inserted and sfp 11 has been removed.
+        """
+        ret, port_dict = self._sfp_list[0].get_transceiver_change_event(timeout)
+        ret_dict = {"sfp": port_dict}
+        return ret, ret_dict
+
+    def get_num_psus(self):
+        return len(self._psu_list)
+
+    def get_psu(self, psu_index):
+        return self._psu_list[psu_index]

platform/centec-arm64/sonic-platform-modules-e530/48s4x/sonic_platform/eeprom.py

@@ -0,0 +1,111 @@
+#!/usr/bin/env python
+#
+# Name: eeprom.py, version: 1.0
+#
+# Description: Module contains the definitions of SONiC platform APIs 
+#
+
+try:
+    from sonic_eeprom import eeprom_tlvinfo
+    import binascii
+except ImportError as e:
+    raise ImportError(str(e) + "- required module not found")
+
+class Eeprom(eeprom_tlvinfo.TlvInfoDecoder):
+
+    def __init__(self):
+        self.__eeprom_path = "/dev/mtd3"
+        super(Eeprom, self).__init__(self.__eeprom_path, 0, '', True)
+        self.__eeprom_tlv_dict = dict()
+        try:
+            self.open_eeprom()
+            self.__eeprom_data = self.read_eeprom()
+        except:
+            self.__eeprom_data = "N/A"
+            raise RuntimeError("Eeprom is not Programmed")
+        else:
+            eeprom = self.__eeprom_data
+
+            if not self.is_valid_tlvinfo_header(eeprom):
+                return
+
+            total_length = (eeprom[9] << 8) | eeprom[10]
+            tlv_index = self._TLV_INFO_HDR_LEN
+            tlv_end = self._TLV_INFO_HDR_LEN + total_length
+
+            while (tlv_index + 2) < len(eeprom) and tlv_index < tlv_end:
+                if not self.is_valid_tlv(eeprom[tlv_index:]):
+                    break
+
+                tlv = eeprom[tlv_index:tlv_index + 2
+                             + eeprom[tlv_index + 1]]
+                code = "0x%02X" % (tlv[0])
+
+                if tlv[0] == self._TLV_CODE_VENDOR_EXT:
+                    value = str((tlv[2] << 24) | (tlv[3] << 16) |
+                                (tlv[4] << 8) | tlv[5])
+                    value += str(tlv[6:6 + tlv[1]])
+                else:
+                    name, value = self.decoder(None, tlv)
+
+                self.__eeprom_tlv_dict[code] = value
+                if eeprom[tlv_index] == self._TLV_CODE_CRC_32:
+                    break
+
+                tlv_index += eeprom[tlv_index+1] + 2
+
+    def serial_number_str(self):
+        (is_valid, results) = self.get_tlv_field(
+                         self.__eeprom_data, self._TLV_CODE_SERIAL_NUMBER)
+        if not is_valid:
+            return "N/A"
+        return results[2].decode('ascii')
+
+    def base_mac_addr(self):
+        (is_valid, t) = self.get_tlv_field(
+                          self.__eeprom_data, self._TLV_CODE_MAC_BASE)
+        if not is_valid or t[1] != 6:
+            return super(TlvInfoDecoder, self).switchaddrstr(e)
+
+        return ":".join([binascii.b2a_hex(T) for T in t[2]])
+
+    def modelstr(self):
+        (is_valid, results) = self.get_tlv_field(
+                        self.__eeprom_data, self._TLV_CODE_PRODUCT_NAME)
+        if not is_valid:
+            return "N/A"
+
+        return results[2].decode('ascii')
+
+    def part_number_str(self):
+        (is_valid, results) = self.get_tlv_field(
+                    self.__eeprom_data, self._TLV_CODE_PART_NUMBER)
+        if not is_valid:
+            return "N/A"
+
+        return results[2].decode('ascii')
+
+    def serial_tag_str(self):
+        (is_valid, results) = self.get_tlv_field(
+                    self.__eeprom_data, self._TLV_CODE_SERVICE_TAG)
+        if not is_valid:
+            return "N/A"
+
+        return results[2].decode('ascii')
+
+    def revision_str(self):
+        (is_valid, results) = self.get_tlv_field(
+                    self.__eeprom_data, self._TLV_CODE_DEVICE_VERSION)
+        if not is_valid:
+            return "N/A"
+
+        return results[2].decode('ascii')
+
+    def system_eeprom_info(self):
+        """
+        Returns a dictionary, where keys are the type code defined in
+        ONIE EEPROM format and values are their corresponding values
+        found in the system EEPROM.
+        """
+        return self.__eeprom_tlv_dict
+

platform/centec-arm64/sonic-platform-modules-e530/48s4x/sonic_platform/fan.py

@@ -0,0 +1,186 @@
+#!/usr/bin/env python
+
+#############################################################################
+# Celestica
+#
+# Module contains an implementation of SONiC Platform Base API and
+# provides the fan status which are available in the platform
+#
+#############################################################################
+
+import math
+import os.path
+
+try:
+    from sonic_platform_base.fan_base import FanBase
+except ImportError as e:
+    raise ImportError(str(e) + "- required module not found")
+
+FAN_PATH = "/sys/class/hwmon/hwmon1/"
+FAN_MAX_PWM = 255
+FAN_FAN_PWM = "pwm{}"
+FAN_FAN_INPUT = "fan{}_input"
+FAN_MAX_RPM = 9000
+FAN_NAME_LIST = ["FAN-1", "FAN-2", "FAN-3", "FAN-4"]
+
+class Fan(FanBase):
+    """Platform-specific Fan class"""
+
+    def __init__(self, fan_tray_index, fan_index=0):
+        self.fan_index = fan_index
+        self.fan_tray_index = fan_tray_index
+
+        FanBase.__init__(self)
+
+    def __read_txt_file(self, file_path):
+        try:
+            with open(file_path, 'r') as fd:
+                data = fd.read()
+                return data.strip()
+        except IOError:
+            pass
+        return ""
+
+    def __write_txt_file(self, file_path, value):
+        try:
+            with open(file_path, 'w') as fd:
+                fd.write(str(value))
+        except Exception:
+            return False
+        return True
+
+    def __search_file_by_name(self, directory, file_name):
+        for dirpath, dirnames, files in os.walk(directory):
+            for name in files:
+                file_path = os.path.join(dirpath, name)
+                if name in file_name:
+                    return file_path
+        return None
+
+    def get_direction(self):
+        """
+        Retrieves the direction of fan
+        Returns:
+            A string, either FAN_DIRECTION_INTAKE or FAN_DIRECTION_EXHAUST
+            depending on fan direction
+        """
+        direction = self.FAN_DIRECTION_EXHAUST
+        return direction
+
+    def get_speed(self):
+        """
+        Retrieves the speed of fan as a percentage of full speed
+        Returns:
+            An integer, the percentage of full fan speed, in the range 0 (off)
+                 to 100 (full speed)
+
+        Note:
+            speed = pwm_in/255*100
+        """
+        speed = 0
+        fan_speed_sysfs_name = "fan{}_input".format(self.fan_index+1)
+        fan_speed_sysfs_path = self.__search_file_by_name(
+            FAN_PATH, fan_speed_sysfs_name)
+        fan_speed_rpm = self.__read_txt_file(fan_speed_sysfs_path) or 0
+        speed = math.ceil(float(fan_speed_rpm) * 100 / FAN_MAX_RPM)
+
+        return int(speed)
+
+    def get_target_speed(self):
+        """
+        Retrieves the target (expected) speed of the fan
+        Returns:
+            An integer, the percentage of full fan speed, in the range 0 (off)
+                 to 100 (full speed)
+
+        Note:
+            speed_pc = pwm_target/255*100
+
+            0   : when PWM mode is use
+            pwm : when pwm mode is not use
+        """
+        # target = 0
+        # fan_target_sysfs_name = "pwm{}".format(self.fan_index+1)
+        # fan_target_sysfs_path = self.__search_file_by_name(
+        #     FAN_PATH, fan_target_sysfs_name)
+        # fan_target_pwm = self.__read_txt_file(fan_target_sysfs_path) or 0
+        # target = math.ceil(float(fan_target_pwm) * 100 / FAN_MAX_PWM)
+
+        # return target
+        speed = 0
+        fan_speed_sysfs_name = "fan{}_input".format(self.fan_index+1)
+        fan_speed_sysfs_path = self.__search_file_by_name(
+            FAN_PATH, fan_speed_sysfs_name)
+        fan_speed_rpm = self.__read_txt_file(fan_speed_sysfs_path) or 0
+        speed = math.ceil(float(fan_speed_rpm) * 100 / FAN_MAX_RPM)
+
+        return speed
+
+    def get_speed_tolerance(self):
+        """
+        Retrieves the speed tolerance of the fan
+        Returns:
+            An integer, the percentage of variance from target speed which is
+                 considered tolerable
+        """
+        return 10
+
+    def set_speed(self, speed):
+        """
+        Sets the fan speed
+        Args:
+            speed: An integer, the percentage of full fan speed to set fan to,
+                   in the range 0 (off) to 100 (full speed)
+        Returns:
+            A boolean, True if speed is set successfully, False if not
+
+        Note:
+            Depends on pwm or target mode is selected:
+            1) pwm = speed_pc * 255             <-- Currently use this mode.
+            2) target_pwm = speed_pc * 100 / 255
+             2.1) set pwm{}_enable to 3
+
+        """
+        pwm = speed * 255 / 100
+        fan_target_sysfs_name = "pwm{}".format(self.fan_index+1)
+        fan_target_sysfs_path = self.__search_file_by_name(
+            FAN_PATH, fan_target_sysfs_name)
+        return self.__write_txt_file(fan_target_sysfs_path, int(pwm))
+
+    def set_status_led(self, color):
+        """
+        Sets the state of the fan module status LED
+        Args:
+            color: A string representing the color with which to set the
+                   fan module status LED
+        Returns:
+            bool: always True
+        """
+        return True
+
+    def get_name(self):
+        """
+        Retrieves the name of the device
+            Returns:
+            string: The name of the device
+        """
+        fan_name = FAN_NAME_LIST[self.fan_index]
+
+        return fan_name
+
+    def get_presence(self):
+        """
+        Retrieves the presence of the FAN
+        Returns:
+            bool: always True
+        """
+
+        return True
+
+    def get_status(self):
+        """
+        Retrieves the status of the FAN
+        Returns:
+            bool: always True
+        """
+        return True

platform/centec-arm64/sonic-platform-modules-e530/48s4x/sonic_platform/fan_drawer.py

@@ -0,0 +1,36 @@
+#!/usr/bin/env python
+
+########################################################################
+# Centec E530 48s4x
+#
+# Module contains an implementation of SONiC Platform Base API and
+# provides the Fan-Drawers' information available in the platform.
+#
+########################################################################
+
+try:
+    from sonic_platform_base.fan_drawer_base import FanDrawerBase
+    from .fan import Fan
+except ImportError as e:
+    raise ImportError(str(e) + "- required module not found")
+
+CENTEC_FANS_PER_FANTRAY = 4
+
+
+class FanDrawer(FanDrawerBase):
+    """Centec E530 48s4x Platform-specific Fan class"""
+
+    def __init__(self, fantray_index):
+
+        FanDrawerBase.__init__(self)
+        self.fantrayindex = fantray_index
+        for i in range(CENTEC_FANS_PER_FANTRAY):
+            self._fan_list.append(Fan(fantray_index, i))
+
+    def get_name(self):
+        """
+        Retrieves the fan drawer name
+        Returns:
+            string: The name of the device
+        """
+        return "FanTray{}".format(self.fantrayindex)

platform/centec-arm64/sonic-platform-modules-e530/48s4x/sonic_platform/platform.py

@@ -0,0 +1,21 @@
+#!/usr/bin/env python
+#
+# Name: platform.py, version: 1.0
+#
+# Description: Module contains the definitions of SONiC platform APIs for Centec E530-48S4X
+#
+
+
+try:
+    from sonic_platform_base.platform_base import PlatformBase
+    from sonic_platform.chassis import Chassis
+except ImportError as e:
+    raise ImportError(str(e) + "- required module not found")
+ 
+ 
+class Platform(PlatformBase):
+
+    def __init__(self):
+        PlatformBase.__init__(self)
+        self._chassis = Chassis()
+

platform/centec-arm64/sonic-platform-modules-e530/48s4x/sonic_platform/psu.py

@@ -0,0 +1,45 @@
+#!/usr/bin/env python
+
+from __future__ import print_function
+
+import imp
+import os
+
+try:
+    from sonic_platform_base.psu_base import PsuBase
+    from sonic_py_common import device_info
+except ImportError as e:
+    raise ImportError("%s - required module not found" % e)
+
+USR_SHARE_SONIC_PATH = "/usr/share/sonic"
+HOST_DEVICE_PATH = USR_SHARE_SONIC_PATH + "/device"
+CONTAINER_PLATFORM_PATH = USR_SHARE_SONIC_PATH + "/platform"
+
+class Psu(PsuBase):
+    """Centec Platform-specific PSU class"""
+
+    def __init__(self, index):
+        self._index = index
+        self._fan_list = []
+        
+        if os.path.isdir(CONTAINER_PLATFORM_PATH):
+            platform_path = CONTAINER_PLATFORM_PATH
+        else:
+            platform = device_info.get_platform()
+            if platform is None:
+                return
+            platform_path = os.path.join(HOST_DEVICE_PATH, platform)
+
+        module_file = "/".join([platform_path, "plugins", "psuutil.py"])
+        module = imp.load_source("psuutil", module_file)
+        psu_util_class = getattr(module, "PsuUtil")
+        self._psuutil = psu_util_class()
+
+    def _get_psuutil(self):
+        return self._psuutil
+
+    def get_presence(self):
+        return self._get_psuutil().get_psu_presence(self._index)
+
+    def get_powergood_status(self):
+        return self._get_psuutil().get_psu_status(self._index)

platform/centec-arm64/sonic-platform-modules-e530/48s4x/sonic_platform/sfp.py

@@ -0,0 +1,102 @@
+#!/usr/bin/env python
+
+from __future__ import print_function
+
+import imp
+import os
+
+try:
+    from sonic_platform_base.sfp_base import SfpBase
+    from sonic_py_common import device_info
+except ImportError as e:
+    raise ImportError("%s - required module not found" % e)
+
+USR_SHARE_SONIC_PATH = "/usr/share/sonic"
+HOST_DEVICE_PATH = USR_SHARE_SONIC_PATH + "/device"
+CONTAINER_PLATFORM_PATH = USR_SHARE_SONIC_PATH + "/platform"
+
+class Sfp(SfpBase):
+    """
+    Platform-specific sfp class
+
+    Unimplemented methods:
+    - get_model
+    - get_serial
+    - get_status
+    - get_transceiver_info
+    - get_transceiver_bulk_status
+    - get_transceiver_threshold_info
+    - get_reset_status
+    - get_rx_los
+    - get_tx_fault
+    - get_tx_disable_channel
+    - get_power_override
+    - get_temperature
+    - get_voltage
+    - get_tx_bias
+    - get_rx_power
+    - get_tx_power
+    - tx_disable_channel
+    - set_power_override
+    """
+
+    def __init__(self, index):
+        self._index = index
+        
+        if os.path.isdir(CONTAINER_PLATFORM_PATH):
+            platform_path = CONTAINER_PLATFORM_PATH
+        else:
+            platform = device_info.get_platform()
+            if platform is None:
+                return
+            platform_path = os.path.join(HOST_DEVICE_PATH, platform)
+
+        module_file = "/".join([platform_path, "plugins", "sfputil.py"])
+        module = imp.load_source("sfputil", module_file)
+        sfp_util_class = getattr(module, "SfpUtil")
+        self._sfputil = sfp_util_class()
+
+    def get_id(self):
+        return self._index
+
+    def get_name(self):
+        return "Ethernet{}".format(self._index)
+
+    def get_lpmode(self):
+        return False
+
+    def set_lpmode(self, lpmode):
+        return False
+
+    def get_tx_disable(self):
+        return False
+
+    def tx_disable(self, tx_disable):
+         return False
+
+    def reset(self):
+            pass
+
+    def clear_interrupt(self):
+        return False
+
+    def get_interrupt_file(self):
+        return None
+
+    def _get_sfputil(self):
+        return self._sfputil
+
+    def get_presence(self):
+        return self._get_sfputil().get_presence(self._index)
+
+    def get_transceiver_info(self):
+        return self._get_sfputil().get_transceiver_info_dict(self._index)
+
+    def get_transceiver_bulk_status(self):
+        return self._get_sfputil().get_transceiver_dom_info_dict(self._index)
+
+    def get_transceiver_threshold_info(self):
+        return self._get_sfputil().get_transceiver_dom_threshold_info_dict(self._index)
+
+    def get_transceiver_change_event(self, timeout):
+        return self._get_sfputil().get_transceiver_change_event(timeout)

platform/centec-arm64/sonic-platform-modules-e530/48s4x/sonic_platform/thermal.py

@@ -0,0 +1,118 @@
+#!/usr/bin/env python
+
+#############################################################################
+# Celestica
+#
+# Thermal contains an implementation of SONiC Platform Base API and
+# provides the thermal device status which are available in the platform
+#
+#############################################################################
+
+import os
+import os.path
+
+try:
+    from sonic_platform_base.thermal_base import ThermalBase
+except ImportError as e:
+    raise ImportError(str(e) + "- required module not found")
+
+
+class Thermal(ThermalBase):
+    """Platform-specific Thermal class"""
+
+    THERMAL_NAME_LIST = []
+    CPUBOARD_SS_PATH = "/sys/class/hwmon/hwmon1"
+
+    def __init__(self, thermal_index):
+        self.index = thermal_index
+        self.high_threshold = float(112)
+
+        # Add thermal name
+        self.THERMAL_NAME_LIST.append("SENSOR-1")
+
+        # Set hwmon path
+        self.ss_index, self.hwmon_path = 1, self.CPUBOARD_SS_PATH
+        self.ss_key = self.THERMAL_NAME_LIST[self.index - 1]
+
+    def __read_txt_file(self, file_path):
+        try:
+            with open(file_path, 'r') as fd:
+                data = fd.read()
+                return data.strip()
+        except IOError:
+            raise IOError("Unable to open %s file !" % file_path)
+
+    def __get_temp(self, temp_file):
+        temp_file_path = os.path.join(self.hwmon_path, temp_file)
+        raw_temp = self.__read_txt_file(temp_file_path)
+        temp = float(raw_temp)/1000
+        return float("{:.3f}".format(temp))
+
+    def __set_threshold(self, file_name, temperature):
+        temp_file_path = os.path.join(self.hwmon_path, file_name)
+        try:
+            with open(temp_file_path, 'w') as fd:
+                fd.write(str(temperature))
+            return True
+        except IOError:
+            return False
+
+    def get_temperature(self):
+        """
+        Retrieves current temperature reading from thermal
+        Returns:
+            A float number of current temperature in Celsius up to nearest thousandth
+            of one degree Celsius, e.g. 30.125
+        """
+        temp_file = "temp{}_input".format(self.ss_index)
+        return self.__get_temp(temp_file)
+
+    def get_high_threshold(self):
+        """
+        Retrieves the high threshold temperature of thermal
+        Returns:
+            A float number, the high threshold temperature of thermal in Celsius
+            up to nearest thousandth of one degree Celsius, e.g. 30.125
+        """
+        return self.high_threshold
+
+    def set_high_threshold(self, temperature):
+        """
+        Sets the high threshold temperature of thermal
+        Args :
+            temperature: A float number up to nearest thousandth of one degree Celsius,
+            e.g. 30.125
+        Returns:
+            A boolean, True if threshold is set successfully, False if not
+        """
+        self.high_threshold = float(temperature)
+        return True
+
+    def get_name(self):
+        """
+        Retrieves the name of the thermal device
+            Returns:
+            string: The name of the thermal device
+        """
+        return self.THERMAL_NAME_LIST[self.index]
+
+    def get_presence(self):
+        """
+        Retrieves the presence of the PSU
+        Returns:
+            bool: True if PSU is present, False if not
+        """
+        temp_file = "temp{}_input".format(self.ss_index)
+        temp_file_path = os.path.join(self.hwmon_path, temp_file)
+        return os.path.isfile(temp_file_path)
+
+    def get_status(self):
+        """
+        Retrieves the operational status of the device
+        Returns:
+            A boolean value, True if device is operating properly, False if not
+        """
+        if not self.get_presence():
+            return False
+
+        return True

platform/centec-arm64/sonic-platform-modules-e530/48t4x-p/modules/centec_e530_48t4x_p_platform.c

@@ -8,16 +8,92 @@
 #include <linux/reboot.h>
 #include <linux/delay.h>
 #include <linux/spinlock.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <asm/irq.h>
+#include <asm/types.h>
+#include <asm/io.h>
+#include <linux/poll.h>
+#include <linux/wait.h>
+#include <linux/pci.h>
+#include <linux/interrupt.h>
+#include <asm/delay.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/of_address.h>
+#include <linux/of_irq.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/gpio.h>
 
 #define SEP(XXX) 1
-#define IS_INVALID_PTR(_PTR_) ((_PTR_ == NULL) || IS_ERR(_PTR_))
-#define IS_VALID_PTR(_PTR_) (!IS_INVALID_PTR(_PTR_))
 
 #if SEP("defines")
+
+#define CTC_GPIO_BASE         496
+int xirq_gpio_0 = 0;
+int xirq_gpio_1 = 0;
+int xirq_gpio_6 = 0;  /* add for E530_48S4X EPLD INT0*/
+int xirq_gpio_7 = 0;  /* add for E530_48S4X EPLD INT1*/
+int xirq_gpio_15 = 0;
+#define IS_INVALID_PTR(_PTR_) ((_PTR_ == NULL) || IS_ERR(_PTR_))
+#define IS_VALID_PTR(_PTR_) (!IS_INVALID_PTR(_PTR_))
 #define SFP_NUM                 4
 #define PORT_NUM                (48+SFP_NUM)
 #endif
 
+#if SEP("ctc:pinctl")
+u8 ctc_gpio_set(u8 gpio_pin, u8 val)
+{
+    gpio_set_value_cansleep(gpio_pin + CTC_GPIO_BASE, val);
+    return 0;
+}
+
+u8 ctc_gpio_get(u8 gpio_pin)
+{
+    return gpio_get_value_cansleep(gpio_pin + CTC_GPIO_BASE);
+}
+
+u8 ctc_gpio_direction_config(u8 gpio_pin, u8 dir,u8 default_out)
+{
+    return dir ? gpio_direction_input(gpio_pin + CTC_GPIO_BASE)
+               : gpio_direction_output(gpio_pin + CTC_GPIO_BASE,default_out);
+}
+
+static void ctc_pincrtl_init(void)
+{
+    /* configure mgmt-phy reset-pin output on product, mgmt-phy release must before this */
+    ctc_gpio_direction_config(4, 0, 1);
+    /* configure power-up pin output on product */
+    ctc_gpio_direction_config(6, 0, 0);
+    /* configure phy interrupt pin input */
+    ctc_gpio_direction_config(0, 1, 0);
+    ctc_gpio_direction_config(1, 1, 0);
+    /* configure phy reset-pin output, for release phy */
+    ctc_gpio_direction_config(5, 0, 1);
+
+    return;
+}
+
+static void ctc_irq_init(void)
+{
+    struct device_node *xnp;
+    for_each_node_by_type(xnp, "ctc-irq")
+    {
+        if (of_device_is_compatible(xnp, "centec,ctc-irq"))
+        {
+            xirq_gpio_0 = irq_of_parse_and_map(xnp, 0);
+            printk(KERN_INFO "ctc-irq GPIO0 IRQ is %d\n", xirq_gpio_0);
+            xirq_gpio_1 = irq_of_parse_and_map(xnp, 1);
+            printk(KERN_INFO "ctc-irq GPIO1 IRQ is %d\n", xirq_gpio_1);
+            xirq_gpio_15 = irq_of_parse_and_map(xnp, 2);
+            printk(KERN_INFO "ctc-irq GPIO15 IRQ is %d\n", xirq_gpio_15);
+        }
+    }
+    return;
+}
+#endif
+
 #if SEP("i2c:smbus")
 static int e530_48t4x_p_smbus_read_reg(struct i2c_client *client, unsigned char reg, unsigned char* value)
 {
@@ -966,6 +1042,9 @@ static int e530_48t4x_p_init(void)
     int failed = 0;
     
     printk(KERN_ALERT "install e530_48t4x_p board dirver...\n");
+
+    ctc_irq_init();
+    ctc_pincrtl_init();
     
     ret = e530_48t4x_p_init_i2c_master();
     if (ret != 0)

platform/centec-arm64/sonic-platform-modules-e530/48t4x-p/setup.py

@@ -5,11 +5,11 @@ from setuptools import setup
 os.listdir
 
 setup(
-   name='48t4x_p',
+   name='sonic_platform',
-   version='1.1',
+   version='1.0',
    description='Module to initialize centec e530-48t4x-p platforms',
    
-   packages=['48t4x_p'],
+   packages=['sonic_platform'],
-   package_dir={'48t4x_p': '48t4x_p/classes'},
+   package_dir={'sonic_platform': 'sonic_platform'},
 )
 

platform/centec-arm64/sonic-platform-modules-e530/48t4x-p/sonic_platform/__init__.py

@@ -0,0 +1,3 @@
+__all__ = ["platform", "chassis", "sfp", "eeprom", "psu", "thermal", "fan", "fan_drawer"]
+from . import platform
+

platform/centec-arm64/sonic-platform-modules-e530/48t4x-p/sonic_platform/chassis.py

@@ -0,0 +1,173 @@
+#!/usr/bin/env python
+#
+# Name: chassis.py, version: 1.0
+#
+# Description: Module contains the definitions of SONiC platform APIs 
+#
+
+try:
+    from sonic_platform_base.chassis_base import ChassisBase
+    from sonic_platform.eeprom import Eeprom
+    from .fan_drawer import FanDrawer
+    from .thermal import Thermal
+    from .sfp import Sfp
+    from .psu import Psu
+
+except ImportError as e:
+    raise ImportError(str(e) + "- required module not found")
+
+NUM_FAN_TRAY = 1
+NUM_THERMAL = 1
+NUM_PORT    = 52
+NUM_PSU = 2
+
+class Chassis(ChassisBase):
+
+    def __init__(self):
+        ChassisBase.__init__(self)
+        # Initialize EEPROM
+        self._eeprom = Eeprom()
+        # Initialize FAN
+        for i in range(NUM_FAN_TRAY):
+            fandrawer = FanDrawer(i)
+            self._fan_drawer_list.append(fandrawer)
+            self._fan_list.extend(fandrawer._fan_list)
+        # Initialize THERMAL
+        for index in range(0, NUM_THERMAL):
+            thermal = Thermal(index)
+            self._thermal_list.append(thermal)
+        # Initialize SFP
+        for index in range(0, NUM_PORT):
+            sfp = Sfp(index)
+            self._sfp_list.append(sfp)
+        # Initialize PSU
+        for index in range(0, NUM_PSU):
+            psu = Psu(index + 1)
+            self._psu_list.append(psu)
+           
+##############################################
+# Device methods
+##############################################
+
+    def get_name(self):
+        """
+        Retrieves the name of the chassis
+        Returns:
+            string: The name of the chassis
+        """
+        return self._eeprom.modelstr()
+
+    def get_presence(self):
+        """
+        Retrieves the presence of the chassis
+        Returns:
+            bool: True if chassis is present, False if not
+        """
+        return True
+
+    def get_model(self):
+        """
+        Retrieves the model number (or part number) of the chassis
+        Returns:
+            string: Model/part number of chassis
+        """
+        return self._eeprom.part_number_str()
+
+    def get_serial(self):
+        """
+        Retrieves the serial number of the chassis
+        Returns:
+            string: Serial number of chassis
+        """
+        return self._eeprom.serial_number_str()
+
+    def get_status(self):
+        """
+        Retrieves the operational status of the chassis
+        Returns:
+            bool: A boolean value, True if chassis is operating properly
+            False if not
+        """
+        return True
+
+##############################################
+# Chassis methods
+##############################################
+
+    def get_base_mac(self):
+        """
+        Retrieves the base MAC address for the chassis
+
+        Returns:
+            A string containing the MAC address in the format
+            'XX:XX:XX:XX:XX:XX'
+        """
+        return self._eeprom.base_mac_addr()
+
+    def get_serial_number(self):
+        """
+        Retrieves the hardware serial number for the chassis
+
+        Returns:
+            A string containing the hardware serial number for this chassis.
+        """
+        return self._eeprom.serial_number_str()
+
+    def get_system_eeprom_info(self):
+        """
+        Retrieves the full content of system EEPROM information for the chassis
+
+        Returns:
+            A dictionary where keys are the type code defined in
+            OCP ONIE TlvInfo EEPROM format and values are their corresponding
+            values.
+            Ex. { '0x21':'AG9064', '0x22':'V1.0', '0x23':'AG9064-0109867821',
+                  '0x24':'001c0f000fcd0a', '0x25':'02/03/2018 16:22:00',
+                  '0x26':'01', '0x27':'REV01', '0x28':'AG9064-C2358-16G'}
+        """
+        return self._eeprom.system_eeprom_info()
+
+    def get_reboot_cause(self):
+        """
+        Retrieves the cause of the previous reboot
+        Returns:
+            A tuple (string, string) where the first element is a string
+            containing the cause of the previous reboot. This string must be
+            one of the predefined strings in this class. If the first string
+            is "REBOOT_CAUSE_HARDWARE_OTHER", the second string can be used
+            to pass a description of the reboot cause.
+        """
+        return (None, None)
+
+    def get_change_event(self, timeout=2000):
+        """
+        Returns a nested dictionary containing all devices which have
+        experienced a change at chassis level
+
+        Args:
+            timeout: Timeout in milliseconds (optional). If timeout == 0,
+                this method will block until a change is detected.
+
+        Returns:
+            (bool, dict):
+                - True if call successful, False if not;
+                - A nested dictionary where key is a device type,
+                  value is a dictionary with key:value pairs in the
+                  format of {'device_id':'device_event'},
+                  where device_id is the device ID for this device and
+                        device_event,
+                             status='1' represents device inserted,
+                             status='0' represents device removed.
+                  Ex. {'fan':{'0':'0', '2':'1'}, 'sfp':{'11':'0'}}
+                      indicates that fan 0 has been removed, fan 2
+                      has been inserted and sfp 11 has been removed.
+        """
+        ret, port_dict = self._sfp_list[0].get_transceiver_change_event(timeout)
+        ret_dict = {"sfp": port_dict}
+        return ret, ret_dict
+
+    def get_num_psus(self):
+        return len(self._psu_list)
+
+    def get_psu(self, psu_index):
+        return self._psu_list[psu_index]

platform/centec-arm64/sonic-platform-modules-e530/48t4x-p/sonic_platform/eeprom.py

@@ -0,0 +1,111 @@
+#!/usr/bin/env python
+#
+# Name: eeprom.py, version: 1.0
+#
+# Description: Module contains the definitions of SONiC platform APIs 
+#
+
+try:
+    from sonic_eeprom import eeprom_tlvinfo
+    import binascii
+except ImportError as e:
+    raise ImportError(str(e) + "- required module not found")
+
+class Eeprom(eeprom_tlvinfo.TlvInfoDecoder):
+
+    def __init__(self):
+        self.__eeprom_path = "/dev/mtd3"
+        super(Eeprom, self).__init__(self.__eeprom_path, 0, '', True)
+        self.__eeprom_tlv_dict = dict()
+        try:
+            self.open_eeprom()
+            self.__eeprom_data = self.read_eeprom()
+        except:
+            self.__eeprom_data = "N/A"
+            raise RuntimeError("Eeprom is not Programmed")
+        else:
+            eeprom = self.__eeprom_data
+
+            if not self.is_valid_tlvinfo_header(eeprom):
+                return
+
+            total_length = (eeprom[9] << 8) | eeprom[10]
+            tlv_index = self._TLV_INFO_HDR_LEN
+            tlv_end = self._TLV_INFO_HDR_LEN + total_length
+
+            while (tlv_index + 2) < len(eeprom) and tlv_index < tlv_end:
+                if not self.is_valid_tlv(eeprom[tlv_index:]):
+                    break
+
+                tlv = eeprom[tlv_index:tlv_index + 2
+                             + eeprom[tlv_index + 1]]
+                code = "0x%02X" % (tlv[0])
+
+                if tlv[0] == self._TLV_CODE_VENDOR_EXT:
+                    value = str((tlv[2] << 24) | (tlv[3] << 16) |
+                                (tlv[4] << 8) | tlv[5])
+                    value += str(tlv[6:6 + tlv[1]])
+                else:
+                    name, value = self.decoder(None, tlv)
+
+                self.__eeprom_tlv_dict[code] = value
+                if eeprom[tlv_index] == self._TLV_CODE_CRC_32:
+                    break
+
+                tlv_index += eeprom[tlv_index+1] + 2
+
+    def serial_number_str(self):
+        (is_valid, results) = self.get_tlv_field(
+                         self.__eeprom_data, self._TLV_CODE_SERIAL_NUMBER)
+        if not is_valid:
+            return "N/A"
+        return results[2].decode('ascii')
+
+    def base_mac_addr(self):
+        (is_valid, t) = self.get_tlv_field(
+                          self.__eeprom_data, self._TLV_CODE_MAC_BASE)
+        if not is_valid or t[1] != 6:
+            return super(TlvInfoDecoder, self).switchaddrstr(e)
+
+        return ":".join([binascii.b2a_hex(T) for T in t[2]])
+
+    def modelstr(self):
+        (is_valid, results) = self.get_tlv_field(
+                        self.__eeprom_data, self._TLV_CODE_PRODUCT_NAME)
+        if not is_valid:
+            return "N/A"
+
+        return results[2].decode('ascii')
+
+    def part_number_str(self):
+        (is_valid, results) = self.get_tlv_field(
+                    self.__eeprom_data, self._TLV_CODE_PART_NUMBER)
+        if not is_valid:
+            return "N/A"
+
+        return results[2].decode('ascii')
+
+    def serial_tag_str(self):
+        (is_valid, results) = self.get_tlv_field(
+                    self.__eeprom_data, self._TLV_CODE_SERVICE_TAG)
+        if not is_valid:
+            return "N/A"
+
+        return results[2].decode('ascii')
+
+    def revision_str(self):
+        (is_valid, results) = self.get_tlv_field(
+                    self.__eeprom_data, self._TLV_CODE_DEVICE_VERSION)
+        if not is_valid:
+            return "N/A"
+
+        return results[2].decode('ascii')
+
+    def system_eeprom_info(self):
+        """
+        Returns a dictionary, where keys are the type code defined in
+        ONIE EEPROM format and values are their corresponding values
+        found in the system EEPROM.
+        """
+        return self.__eeprom_tlv_dict
+

platform/centec-arm64/sonic-platform-modules-e530/48t4x-p/sonic_platform/fan.py

@@ -0,0 +1,186 @@
+#!/usr/bin/env python
+
+#############################################################################
+# Celestica
+#
+# Module contains an implementation of SONiC Platform Base API and
+# provides the fan status which are available in the platform
+#
+#############################################################################
+
+import math
+import os.path
+
+try:
+    from sonic_platform_base.fan_base import FanBase
+except ImportError as e:
+    raise ImportError(str(e) + "- required module not found")
+
+FAN_PATH = "/sys/class/hwmon/hwmon1/"
+FAN_MAX_PWM = 255
+FAN_FAN_PWM = "pwm{}"
+FAN_FAN_INPUT = "fan{}_input"
+FAN_MAX_RPM = 9000
+FAN_NAME_LIST = ["FAN-1", "FAN-2", "FAN-3", "FAN-4"]
+
+class Fan(FanBase):
+    """Platform-specific Fan class"""
+
+    def __init__(self, fan_tray_index, fan_index=0):
+        self.fan_index = fan_index
+        self.fan_tray_index = fan_tray_index
+
+        FanBase.__init__(self)
+
+    def __read_txt_file(self, file_path):
+        try:
+            with open(file_path, 'r') as fd:
+                data = fd.read()
+                return data.strip()
+        except IOError:
+            pass
+        return ""
+
+    def __write_txt_file(self, file_path, value):
+        try:
+            with open(file_path, 'w') as fd:
+                fd.write(str(value))
+        except Exception:
+            return False
+        return True
+
+    def __search_file_by_name(self, directory, file_name):
+        for dirpath, dirnames, files in os.walk(directory):
+            for name in files:
+                file_path = os.path.join(dirpath, name)
+                if name in file_name:
+                    return file_path
+        return None
+
+    def get_direction(self):
+        """
+        Retrieves the direction of fan
+        Returns:
+            A string, either FAN_DIRECTION_INTAKE or FAN_DIRECTION_EXHAUST
+            depending on fan direction
+        """
+        direction = self.FAN_DIRECTION_EXHAUST
+        return direction
+
+    def get_speed(self):
+        """
+        Retrieves the speed of fan as a percentage of full speed
+        Returns:
+            An integer, the percentage of full fan speed, in the range 0 (off)
+                 to 100 (full speed)
+
+        Note:
+            speed = pwm_in/255*100
+        """
+        speed = 0
+        fan_speed_sysfs_name = "fan{}_input".format(self.fan_index+1)
+        fan_speed_sysfs_path = self.__search_file_by_name(
+            FAN_PATH, fan_speed_sysfs_name)
+        fan_speed_rpm = self.__read_txt_file(fan_speed_sysfs_path) or 0
+        speed = math.ceil(float(fan_speed_rpm) * 100 / FAN_MAX_RPM)
+
+        return int(speed)
+
+    def get_target_speed(self):
+        """
+        Retrieves the target (expected) speed of the fan
+        Returns:
+            An integer, the percentage of full fan speed, in the range 0 (off)
+                 to 100 (full speed)
+
+        Note:
+            speed_pc = pwm_target/255*100
+
+            0   : when PWM mode is use
+            pwm : when pwm mode is not use
+        """
+        # target = 0
+        # fan_target_sysfs_name = "pwm{}".format(self.fan_index+1)
+        # fan_target_sysfs_path = self.__search_file_by_name(
+        #     FAN_PATH, fan_target_sysfs_name)
+        # fan_target_pwm = self.__read_txt_file(fan_target_sysfs_path) or 0
+        # target = math.ceil(float(fan_target_pwm) * 100 / FAN_MAX_PWM)
+
+        # return target
+        speed = 0
+        fan_speed_sysfs_name = "fan{}_input".format(self.fan_index+1)
+        fan_speed_sysfs_path = self.__search_file_by_name(
+            FAN_PATH, fan_speed_sysfs_name)
+        fan_speed_rpm = self.__read_txt_file(fan_speed_sysfs_path) or 0
+        speed = math.ceil(float(fan_speed_rpm) * 100 / FAN_MAX_RPM)
+
+        return speed
+
+    def get_speed_tolerance(self):
+        """
+        Retrieves the speed tolerance of the fan
+        Returns:
+            An integer, the percentage of variance from target speed which is
+                 considered tolerable
+        """
+        return 10
+
+    def set_speed(self, speed):
+        """
+        Sets the fan speed
+        Args:
+            speed: An integer, the percentage of full fan speed to set fan to,
+                   in the range 0 (off) to 100 (full speed)
+        Returns:
+            A boolean, True if speed is set successfully, False if not
+
+        Note:
+            Depends on pwm or target mode is selected:
+            1) pwm = speed_pc * 255             <-- Currently use this mode.
+            2) target_pwm = speed_pc * 100 / 255
+             2.1) set pwm{}_enable to 3
+
+        """
+        pwm = speed * 255 / 100
+        fan_target_sysfs_name = "pwm{}".format(self.fan_index+1)
+        fan_target_sysfs_path = self.__search_file_by_name(
+            FAN_PATH, fan_target_sysfs_name)
+        return self.__write_txt_file(fan_target_sysfs_path, int(pwm))
+
+    def set_status_led(self, color):
+        """
+        Sets the state of the fan module status LED
+        Args:
+            color: A string representing the color with which to set the
+                   fan module status LED
+        Returns:
+            bool: always True
+        """
+        return True
+
+    def get_name(self):
+        """
+        Retrieves the name of the device
+            Returns:
+            string: The name of the device
+        """
+        fan_name = FAN_NAME_LIST[self.fan_index]
+
+        return fan_name
+
+    def get_presence(self):
+        """
+        Retrieves the presence of the FAN
+        Returns:
+            bool: always True
+        """
+
+        return True
+
+    def get_status(self):
+        """
+        Retrieves the status of the FAN
+        Returns:
+            bool: always True
+        """
+        return True

platform/centec-arm64/sonic-platform-modules-e530/48t4x-p/sonic_platform/fan_drawer.py

@@ -0,0 +1,36 @@
+#!/usr/bin/env python
+
+########################################################################
+# Centec E530 48t4x-p
+#
+# Module contains an implementation of SONiC Platform Base API and
+# provides the Fan-Drawers' information available in the platform.
+#
+########################################################################
+
+try:
+    from sonic_platform_base.fan_drawer_base import FanDrawerBase
+    from .fan import Fan
+except ImportError as e:
+    raise ImportError(str(e) + "- required module not found")
+
+CENTEC_FANS_PER_FANTRAY = 3
+
+
+class FanDrawer(FanDrawerBase):
+    """Centec E530 48t4x-p Platform-specific Fan class"""
+
+    def __init__(self, fantray_index):
+
+        FanDrawerBase.__init__(self)
+        self.fantrayindex = fantray_index
+        for i in range(CENTEC_FANS_PER_FANTRAY):
+            self._fan_list.append(Fan(fantray_index, i))
+
+    def get_name(self):
+        """
+        Retrieves the fan drawer name
+        Returns:
+            string: The name of the device
+        """
+        return "FanTray{}".format(self.fantrayindex)

platform/centec-arm64/sonic-platform-modules-e530/48t4x-p/sonic_platform/platform.py

@@ -0,0 +1,21 @@
+#!/usr/bin/env python
+#
+# Name: platform.py, version: 1.0
+#
+# Description: Module contains the definitions of SONiC platform APIs for Centec E530-48T4X-P
+#
+
+
+try:
+    from sonic_platform_base.platform_base import PlatformBase
+    from sonic_platform.chassis import Chassis
+except ImportError as e:
+    raise ImportError(str(e) + "- required module not found")
+ 
+ 
+class Platform(PlatformBase):
+
+    def __init__(self):
+        PlatformBase.__init__(self)
+        self._chassis = Chassis()
+

platform/centec-arm64/sonic-platform-modules-e530/48t4x-p/sonic_platform/psu.py

@@ -0,0 +1,45 @@
+#!/usr/bin/env python
+
+from __future__ import print_function
+
+import imp
+import os
+
+try:
+    from sonic_platform_base.psu_base import PsuBase
+    from sonic_py_common import device_info
+except ImportError as e:
+    raise ImportError("%s - required module not found" % e)
+
+USR_SHARE_SONIC_PATH = "/usr/share/sonic"
+HOST_DEVICE_PATH = USR_SHARE_SONIC_PATH + "/device"
+CONTAINER_PLATFORM_PATH = USR_SHARE_SONIC_PATH + "/platform"
+
+class Psu(PsuBase):
+    """Centec Platform-specific PSU class"""
+
+    def __init__(self, index):
+        self._index = index
+        self._fan_list = []
+        
+        if os.path.isdir(CONTAINER_PLATFORM_PATH):
+            platform_path = CONTAINER_PLATFORM_PATH
+        else:
+            platform = device_info.get_platform()
+            if platform is None:
+                return
+            platform_path = os.path.join(HOST_DEVICE_PATH, platform)
+
+        module_file = "/".join([platform_path, "plugins", "psuutil.py"])
+        module = imp.load_source("psuutil", module_file)
+        psu_util_class = getattr(module, "PsuUtil")
+        self._psuutil = psu_util_class()
+
+    def _get_psuutil(self):
+        return self._psuutil
+
+    def get_presence(self):
+        return self._get_psuutil().get_psu_presence(self._index)
+
+    def get_powergood_status(self):
+        return self._get_psuutil().get_psu_status(self._index)