Add platform support for snj60b0-320f devices

device/alphanetworks/x86_64-alphanetworks_snh60a0_320fv2-r0/platform_env.conf

@@ -0,0 +1,2 @@
+dmasize=32M
+usemsi=0

device/alphanetworks/x86_64-alphanetworks_snh60a0_320fv2-r0/plugins/sfputil.py

@@ -1,11 +1,16 @@
 #!/usr/bin/env python
 
+import os.path
+import time
+
 try:
-    import time
     from sonic_sfp.sfputilbase import SfpUtilBase 
 except ImportError, e:
     raise ImportError (str(e) + "- required module not found")
 
+#from xcvrd
+SFP_STATUS_INSERTED = '1'
+SFP_STATUS_REMOVED = '0'
 
 class SfpUtil(SfpUtilBase):
     """Platform specific SfpUtill class"""
@@ -14,17 +19,29 @@ class SfpUtil(SfpUtilBase):
     last_port = 31
     port_num = 32
 
+    sfp_status = 0
+
     port_to_eeprom = {}
-    port_to_i2cbus_mapping = {
+    port_to_i2cbus_0 = {
          1 : 14,
          2 : 15,
          3 : 16,
          4 : 17,
     }
 
+    port_to_i2cbus_1 = {
+         1 : 15,
+         2 : 16,
+         3 : 17,
+         4 : 18,
+    }
+
+    port_to_i2cbus_mapping = {}
+
     eeprom_path = "/sys/bus/i2c/devices/{0}-005f/sfp{1}_eeprom"
     port_reset_path = "/sys/bus/i2c/devices/{0}-005f/sfp{1}_port_reset"
     present_path = "/sys/bus/i2c/devices/{0}-005f/sfp{1}_is_present"
+    lpmode_path = "/sys/bus/i2c/devices/{0}-005f/sfp{1}_lpmode"
 
     _qsfp_ports = range(first_port, port_num + 1)
     @property
@@ -43,15 +60,75 @@ def qsfp_ports(self):
     def port_to_eeprom_mapping(self):
          return self.port_to_eeprom
 
-    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
+    @property 
+    def get_presence_all(self):
+        port = self.port_start
+        bitmap = ""
+
+        while (port >= self.port_start) and (port <= self.port_end):
+            index = (port % 8)
+            i2c_index = (port / 8) + 1
+            path = self.present_path
+            port_path = path.format(self.port_to_i2cbus_mapping[i2c_index], (index + 1))
+
+            try:
+                reg_file = open(port_path)
+            except IOError as e:
+                print "Error: unable to open file: %s" % str(e)
+                return False
+
+            reg_value = reg_file.readline().rstrip()
+            reg_file.close()
+
+            if reg_value == '1':
+                bitmap += '1' + " "
+            else:
+                bitmap += '0' + " "
+
+            port += 1
+
+        content = bitmap.split(" ")
+        content = "".join(content[::-1])
+
+        return int(content, 2)
+
+    def get_transceiver_change_event(self, timeout=0):
+        while True:
+            port_dict = {}
+            port = self.port_start
+
+            # Check for OIR events and return updated port_dict
+            reg_value = self.get_presence_all
+            if reg_value != self.sfp_status:
+                changed_ports = self.sfp_status ^ reg_value
+                while (port >= self.port_start) and (port <= self.port_end):
+
+                    # Mask off the bit corresponding to our port
+                    mask = (1 << port)
+
+                    if changed_ports & mask:
+                        # port presence is high
+                        if (reg_value & mask) == mask:
+                            port_dict[port] = SFP_STATUS_INSERTED
+                        else:
+                            port_dict[port] = SFP_STATUS_REMOVED
+
+                    port += 1
+
+                # Update reg value
+                self.sfp_status = reg_value
+                return True, port_dict
+
+            time.sleep(0.5)
 
     def __init__(self):
+        path = self.present_path
+        port_path = path.format(self.port_to_i2cbus_0[1], 1)
+        if not os.path.exists(port_path):
+            self.port_to_i2cbus_mapping = self.port_to_i2cbus_1
+        else:
+            self.port_to_i2cbus_mapping = self.port_to_i2cbus_0
+
         path = self.eeprom_path
         for x in range(self.first_port, self.last_port + 1):
             index = (x % 8)
@@ -85,15 +162,58 @@ def reset(self, port_num):
         reg_file.close()
         return True
 
-    def set_low_power_mode(self, port_nuM, lpmode):
-        raise NotImplementedError
+    def set_low_power_mode(self, port_num, lpmode):
+        # Check for invalid port_num
+        if port_num < self.first_port or port_num > self.last_port:
+            return False
+
+        index = (port_num % 8)
+        i2c_index = (port_num / 8) + 1
+        path = self.lpmode_path
+        port_path = path.format(self.port_to_i2cbus_mapping[i2c_index], (index + 1))
+
+        try:
+            reg_file = open(port_path, 'w')
+        except IOError as e:
+            print "Error: unable to open file: %s" % str(e)
+            return False
+
+        if lpmode == True:
+            reg_file.write('1')
+        else:
+            reg_file.write('0')
+
+        reg_file.close()
+        return True
 
     def get_low_power_mode(self, port_num):
-        raise NotImplementedError
+        # Check for invalid port_num
+        if port_num < self.first_port or port_num > self.last_port:
+            return False
+
+        index = (port_num % 8)
+        i2c_index = (port_num / 8) + 1
+        path = self.lpmode_path
+        port_path = path.format(self.port_to_i2cbus_mapping[i2c_index], (index + 1))
+
+        try:
+            reg_file = open(port_path)
+        except IOError as e:
+            print "Error: unable to open file: %s" % str(e)
+            return False
+
+        reg_value = reg_file.readline().rstrip()
+
+        reg_file.close()
+
+        if reg_value == '1':
+            return True
+
+        return False
 
     def get_presence(self, port_num):
         # Check for invalid port_num
-        if port_num < self.first_port or port_num > self.last_port:
+        if port_num < self.port_start or port_num > self.port_end:
             return False
 
         index = (port_num % 8)
@@ -109,6 +229,9 @@ def get_presence(self, port_num):
             return False
 
         reg_value = reg_file.readline().rstrip()
+
+        reg_file.close()
+
         if reg_value == '1':
             return True
 

device/alphanetworks/x86_64-alphanetworks_snh60a0_320fv2-r0/pmon_daemon_control.json

@@ -0,0 +1,4 @@
+{
+    "skip_ledd": false
+}
+

device/alphanetworks/x86_64-alphanetworks_snh60b0_640f-r0/platform_env.conf

@@ -0,0 +1,2 @@
+dmasize=32M
+usemsi=0