As7312 54x add sfp rest and fan policy

device/accton/x86_64-accton_as7312_54x-r0/plugins/sfputil.py

@@ -26,10 +26,10 @@ class SfpUtil(SfpUtilBase):
 
     _port_to_eeprom_mapping = {}
     _cpld_mapping = {
-	   0:  "4-0060",
-	   1:  "5-0062",
-	   2:  "6-0064",
-           }		
+       0:  "4-0060",
+       1:  "5-0062",
+       2:  "6-0064",
+           }
     _port_to_i2c_mapping = {
            0:  18, 
            1:  19, 
@@ -137,29 +137,40 @@ def __init__(self):
 
         SfpUtilBase.__init__(self)
 
+
+    # For port 48~51 are QSFP, here presumed they're all split to 4 lanes.
+    def get_cage_num(self, port_num):             
+        cage_num = port_num
+        if (port_num >= self.QSFP_PORT_START):
+            cage_num = (port_num - self.QSFP_PORT_START)/4
+            cage_num = cage_num + self.QSFP_PORT_START
+
+        return cage_num
+
+    # For cage 0~23 and 48~51 are at cpld2, others are at cpld3.
+    def get_cpld_num(self, port_num):             
+        cpld_i = 1
+        cage_num = self.get_cage_num(port_num)
+        if (port_num > 23 and port_num < self.QSFP_PORT_START):
+            cpld_i = 2
+
+        if (cage_num >= 52): 
+            cpld_i = 2
+
+        return cpld_i
+
     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
 
-	# For cage 0~23 and 48~51 are at cpld2, others are at cpld3.
-        # For port 48~51 are QSFP, here presumed they are all broken-out to 4 lanes.
-        cage_num = port_num 
-	cpld_i = 1	
-        if (port_num > 23):
-            cpld_i = 2
-
-        if (port_num >= self.QSFP_PORT_START):
-	    cpld_i = 1	
-            cage_num = (port_num - self.QSFP_PORT_START)/4
-            cage_num = cage_num + self.QSFP_PORT_START
-            if (cage_num >= 52): 
-                cpld_i = 2
+        cage_num = self.get_cage_num(port_num)
+        cpld_i = self.get_cpld_num(port_num)
 
         cpld_ps = self._cpld_mapping[cpld_i]
         path = "/sys/bus/i2c/devices/{0}/module_present_{1}"
         port_ps = path.format(cpld_ps, cage_num+1)
-	
+
         try:
             val_file = open(port_ps)
         except IOError as e:
@@ -185,16 +196,18 @@ def reset(self, port_num):
         if port_num < self.qsfp_port_start or port_num > self.qsfp_port_end:
             return False
 
-
-        path = "/sys/bus/i2c/devices/5-0062/module_reset_{0}"
-        port_ps = path.format(port_num+1)
+        cage_num = self.get_cage_num(port_num)
+        cpld_i = self.get_cpld_num(port_num)
+        cpld_ps = self._cpld_mapping[cpld_i]
+        path = "/sys/bus/i2c/devices/{0}/module_reset_{1}"
+        port_ps = path.format(cpld_ps, cage_num+1)
         try:
             reg_file = open(port_ps, 'w')
         except IOError as e:
             print "Error: unable to open file: %s" % str(e)          
             return False
 
-        reg_value = '1'
+        reg_value = '0'
 
         reg_file.write(reg_value)
         reg_file.close()