[devices]: Dell z9264f bringup (#2415)

* Updating Z9264f for A01 board

* Adding platform_reboot plugin to Z9264f

* Change execute mode for platform_reboot

* Indenting python files

* Adding missed service file

* Addressing code review comments

* Modified the polling logic in transceiver change event

device/dell/x86_64-dellemc_z9264f_c3538-r0/platform_reboot

@@ -0,0 +1,25 @@
+#!/usr/bin/python
+import sys
+import os
+import struct
+
+PORT_RES = '/dev/port'
+
+
+def portio_reg_write(resource, offset, val):
+    fd = os.open(resource, os.O_RDWR)
+    if(fd < 0):
+        print 'file open failed %s" % resource'
+        return
+    if(os.lseek(fd, offset, os.SEEK_SET) != offset):
+        print 'lseek failed on %s' % resource
+        return
+    ret = os.write(fd, struct.pack('B', val))
+    if(ret != 1):
+        print 'write failed %d' % ret
+        return
+    os.close(fd)
+
+if __name__ == "__main__":
+    portio_reg_write(PORT_RES, 0xcf9, 0xe)
+

device/dell/x86_64-dellemc_z9264f_c3538-r0/plugins/eeprom.py

@@ -18,5 +18,5 @@
 class board(eeprom_tlvinfo.TlvInfoDecoder):
 
     def __init__(self, name, path, cpld_root, ro):
-        self.eeprom_path = "/sys/class/i2c-adapter/i2c-0/0-0053/eeprom"
+        self.eeprom_path = "/sys/class/i2c-adapter/i2c-0/0-0050/eeprom"
         super(board, self).__init__(self.eeprom_path, 0, '', True)

device/dell/x86_64-dellemc_z9264f_c3538-r0/plugins/psuutil.py

@@ -10,7 +10,7 @@
 
 
 Z9264F_MAX_PSUS = 2
-IPMI_SENSOR_DATA = "ipmitool sdr list"
+IPMI_SENSOR_DATA = "docker exec -it pmon ipmitool sdr list"
 PSU_PRESENCE = "PSU{0}_state"
 # Use this for older firmware
 # PSU_PRESENCE="PSU{0}_prsnt"

device/dell/x86_64-dellemc_z9264f_c3538-r0/plugins/sfputil.py

@@ -27,6 +27,8 @@ class SfpUtil(SfpUtilBase):
 
     _port_to_eeprom_mapping = {}
 
+    _global_port_pres_dict = {}
+
     @property
     def port_start(self):
         return self.PORT_START
@@ -44,28 +46,42 @@ def port_to_eeprom_mapping(self):
         return self._port_to_eeprom_mapping
 
     def pci_mem_read(self, mm, offset):
-	mm.seek(offset)
-	read_data_stream=mm.read(4)
-	reg_val=struct.unpack('I',read_data_stream)
-	mem_val = str(reg_val)[1:-2]
-	# print "reg_val read:%x"%reg_val
-	return mem_val
+        mm.seek(offset)
+        read_data_stream=mm.read(4)
+        reg_val=struct.unpack('I',read_data_stream)
+        mem_val = str(reg_val)[1:-2]
+        # print "reg_val read:%x"%reg_val
+        return mem_val
 
     def pci_mem_write(self, mm, offset, data):
-	mm.seek(offset)
-	# print "data to write:%x"%data
-	mm.write(struct.pack('I',data))
+        mm.seek(offset)
+        # print "data to write:%x"%data
+        mm.write(struct.pack('I',data))
 
     def pci_set_value(self, resource, val, offset):
-	fd=open(resource,O_RDWR)
-	mm=mmap(fd,0)
-	return self.pci_mem_write(mm,offset,val)
+        fd = open(resource, O_RDWR)
+        mm = mmap(fd, 0)
+        val = self.pci_mem_write(mm, offset, val)
+        mm.close()
+        close(fd)
+        return val
 
     def pci_get_value(self, resource, offset):
-	fd=open(resource,O_RDWR)
-	mm=mmap(fd,0)
-	return self.pci_mem_read(mm, offset)
+        fd = open(resource, O_RDWR)
+        mm = mmap(fd, 0)
+        val = self.pci_mem_read(mm, offset)
+        mm.close()
+        close(fd)
+        return val
 
+    def init_global_port_presence(self):
+        for port_num in range(self.port_start, (self.port_end + 1)):
+            presence = self.get_presence(port_num)
+            if(presence):
+                self._global_port_pres_dict[port_num] = '1'
+            else:
+                self._global_port_pres_dict[port_num] = '0'
+
     def __init__(self):
         eeprom_path = "/sys/class/i2c-adapter/i2c-{0}/{0}-0050/eeprom"
 
@@ -74,6 +90,7 @@ def __init__(self):
             self.port_to_eeprom_mapping[x] = eeprom_path.format(
                         port_num)
             port_num = 0
+        self.init_global_port_presence()
 
         SfpUtilBase.__init__(self)
 
@@ -192,9 +209,19 @@ def reset(self, port_num):
         return True
 
     def get_transceiver_change_event(self):
-        """
-        TODO: This function need to be implemented
-        when decide to support monitoring SFP(Xcvrd)
-        on this platform.
-        """
-        raise NotImplementedError
+        port_dict = {}
+        while True:
+            for port_num in range(self.port_start, (self.port_end + 1)):
+                presence = self.get_presence(port_num)
+                if(presence and self._global_port_pres_dict[port_num] == '0'):
+                    self._global_port_pres_dict[port_num] = '1'
+                    port_dict[port_num] = '1'
+                elif(not presence and
+                     self._global_port_pres_dict[port_num] == '1'):
+                    self._global_port_pres_dict[port_num] = '0'
+                    port_dict[port_num] = '0'
+
+                if(len(port_dict) > 0):
+                    return True, port_dict
+
+            time.sleep(0.5)

platform/broadcom/sonic-platform-modules-dell/debian/platform-modules-z9264f.install

@@ -4,3 +4,4 @@ z9264f/scripts/platform_sensors.py usr/local/bin
 z9264f/scripts/sensors usr/bin
 z9264f/scripts/pcisysfs.py usr/bin
 z9264f/cfg/z9264f-modules.conf etc/modules-load.d
+z9264f/systemd/platform-modules-z9264f.service etc/systemd/system

platform/broadcom/sonic-platform-modules-dell/debian/platform-modules-z9264f.postinst

@@ -0,0 +1,10 @@
+# postinst script for Z9264f
+
+# Enable Dell-Z9264f-platform-service
+depmod -a
+systemctl enable platform-modules-z9264f.service
+systemctl start platform-modules-z9264f.service
+
+
+#DEBHELPER#
+