[platform]: add eeprom/sfputil support for z9100 (#342)

device/dell/x86_64-dell_z9100_c2538-r0/Force10-Z9100/port_config.ini

@@ -0,0 +1,33 @@
+# name          lanes                 alias
+Ethernet0       49,50,51,52           hundredGigE1/1
+Ethernet4       53,54,55,56           hundredGigE1/2
+Ethernet8       57,58,59,60           hundredGigE1/3
+Ethernet12      61,62,63,64           hundredGigE1/4
+Ethernet16      65,66,67,68           hundredGigE1/5
+Ethernet20      69,70,71,72           hundredGigE1/6
+Ethernet24      73,74,75,76           hundredGigE1/7
+Ethernet28      77,78,79,80           hundredGigE1/8
+Ethernet32      37,38,39,40           hundredGigE1/9
+Ethernet36      33,34,35,36           hundredGigE1/10
+Ethernet40      45,46,47,48           hundredGigE1/11
+Ethernet44      41,42,43,44           hundredGigE1/12
+Ethernet48      81,82,83,84           hundredGigE1/13
+Ethernet52      85,86,87,88           hundredGigE1/14
+Ethernet56      89,90,91,92           hundredGigE1/15
+Ethernet60      93,94,95,96           hundredGigE1/16
+Ethernet64      97,98,99,100          hundredGigE1/17
+Ethernet68      101,102,103,104       hundredGigE1/18
+Ethernet72      105,106,107,108       hundredGigE1/19
+Ethernet76      109,110,111,112       hundredGigE1/20
+Ethernet80      21,22,23,24           hundredGigE1/21
+Ethernet84      17,18,19,20           hundredGigE1/22
+Ethernet88      29,30,31,32           hundredGigE1/23
+Ethernet92      25,26,27,28           hundredGigE1/24
+Ethernet96      117,118,119,120       hundredGigE1/25
+Ethernet100     113,114,115,116       hundredGigE1/26
+Ethernet104     125,126,127,128       hundredGigE1/27
+Ethernet108     121,122,123,124       hundredGigE1/28
+Ethernet112     5,6,7,8               hundredGigE1/29
+Ethernet116     1,2,3,4               hundredGigE1/30
+Ethernet120     13,14,15,16           hundredGigE1/31
+Ethernet124     9,10,11,12            hundredGigE1/32

device/dell/x86_64-dell_z9100_c2538-r0/Force10-Z9100/sai.profile

@@ -0,0 +1 @@
+SAI_INIT_CONFIG_FILE=/etc/bcm/th-z9100-32x100G.config.bcm

device/dell/x86_64-dell_z9100_c2538-r0/plugins/eeprom.py

@@ -0,0 +1,23 @@
+#!/usr/bin/env python
+
+#############################################################################
+# Dell Z9100
+#
+# 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, 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 = "/sys/class/i2c-adapter/i2c-2/2-0050/eeprom"
+        super(board, self).__init__(self.eeprom_path, 0, '', True)
+

device/dell/x86_64-dell_z9100_c2538-r0/plugins/sfputil.py

@@ -0,0 +1,60 @@
+#!/usr/bin/env python
+
+try:
+    from sonic_sfp.sfputilbase import sfputilbase
+except ImportError, e:
+    raise ImportError (str(e) + "- required module not found")
+
+
+class sfputil(sfputilbase):
+    """Platform specific sfputil class"""
+
+    port_start = 0
+    port_end = 31
+    ports_in_block = 32
+
+    port_to_eeprom_mapping = {}
+    port_to_i2c_mapping = {
+        0: 18,
+        1: 19,
+        2: 20,
+        3: 21,
+        4: 22,
+        5: 23,
+        6: 24,
+        7: 25,
+        8: 26,
+        9: 27,
+        10: 28,
+        11: 29,
+        12: 31,
+        13: 30,
+        14: 33,
+        15: 32,
+        16: 34,
+        17: 35,
+        18: 36,
+        19: 37,
+        20: 38,
+        21: 39,
+        22: 40,
+        23: 41,
+        24: 42,
+        25: 43,
+        26: 44,
+        27: 45,
+        28: 46,
+        29: 47,
+        30: 48,
+        31: 49
+    }
+
+    _qsfp_ports = range(0, ports_in_block + 1)
+
+    def __init__(self, port_num):
+        # Override port_to_eeprom_mapping for class initialization
+        eeprom_path = '/sys/class/i2c-adapter/i2c-{0}/{0}-0050/eeprom'
+        for x in range(0, self.port_end + 1):
+            port_eeprom_path = eeprom_path.format(self.port_to_i2c_mapping[x])
+            self.port_to_eeprom_mapping[x] = port_eeprom_path
+        sfputilbase.__init__(self, port_num)