Add Pegatron project to branch 201807 (#2299)

* Add Porsche project

* Upgrade kernel to 3.16.57-2

Author: Peter5Lin

device/pegatron/x86_64-pegatron_porsche-r0/default_sku

@@ -0,0 +1 @@
+porsche t1

device/pegatron/x86_64-pegatron_porsche-r0/installer.conf

@@ -0,0 +1,3 @@
+CONSOLE_PORT=0x2f8
+CONSOLE_DEV=1
+CONSOLE_SPEED=115200

device/pegatron/x86_64-pegatron_porsche-r0/plugins/eeprom.py

@@ -0,0 +1,21 @@
+#!/usr/bin/env python
+
+try:
+    import exceptions
+    import binascii
+    import time
+    import optparse
+    import warnings
+    import os
+    import sys
+    from sonic_eeprom import eeprom_base
+    from sonic_eeprom import eeprom_tlvinfo
+    import subprocess
+except ImportError, e:
+    raise ImportError (str(e) + "- required module not found")
+
+class board(eeprom_tlvinfo.TlvInfoDecoder):
+    _TLV_INFO_MAX_LEN = 256
+    def __init__(self, name, path, cpld_root, ro):
+        self.eeprom_path = "/sys/bus/i2c/devices/4-0054/eeprom"
+        super(board, self).__init__(self.eeprom_path, 0, '', True)

device/pegatron/x86_64-pegatron_porsche-r0/plugins/psuutil.py

@@ -0,0 +1,92 @@
+#
+# psuutil.py
+# Platform-specific PSU status interface for SONiC
+#
+
+
+import os.path
+
+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"""
+
+    SYSFS_PSU_DIR = "/sys/bus/i2c/devices/7-0075"
+
+    def __init__(self):
+        PsuBase.__init__(self)
+    
+             
+    # Get sysfs attribute
+    def get_attr_value(self, attr_path):
+        
+        retval = 'ERR'        
+        if (not os.path.isfile(attr_path)):
+            return retval
+
+        try:
+            with open(attr_path, 'r') as fd:
+                retval = fd.read()
+        except Exception as error:
+            logging.error("Unable to open ", attr_path, " file !")
+
+        retval = retval.rstrip('\r\n')
+
+        fd.close()
+        return retval
+
+    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
+         """
+        MAX_PSUS = 2
+        return MAX_PSUS
+
+    def get_psu_status(self, index):
+        """
+        Retrieves the oprational status of power supply unit (PSU) defined
+                by index <index>
+        :param index: An integer, index of the PSU of which to query status
+        :return: Boolean, True if PSU is operating properly, False if PSU is\
+        faulty
+        """
+        status = 0
+        attr_file = 'psu_'+str(index)+'_status'    
+        attr_path = self.SYSFS_PSU_DIR +'/' + attr_file
+                  
+        attr_value = self.get_attr_value(attr_path)
+        
+        if (attr_value != 'ERR'):
+            attr_value = int(attr_value, 16)
+            # Check for PSU status
+            if (attr_value == 1):
+                    status = 1
+
+        return status
+
+    def get_psu_presence(self, index):
+        """
+        Retrieves the presence status of power supply unit (PSU) defined
+                by index <index>
+        :param index: An integer, index of the PSU of which to query status
+        :return: Boolean, True if PSU is plugged, False if not
+        """
+        status = 0
+        attr_file = 'psu_'+str(index)+'_present'
+        attr_path = self.SYSFS_PSU_DIR +'/' + attr_file
+        
+        attr_value = self.get_attr_value(attr_path)
+
+        if (attr_value != 'ERR'):
+            attr_value = int(attr_value, 16)
+            # Check for PSU presence
+            if (attr_value == 0):
+                    status = 1
+
+        return status
+

device/pegatron/x86_64-pegatron_porsche-r0/plugins/sfputil.py

@@ -0,0 +1,238 @@
+#!/usr/bin/env python
+
+try:
+    import os
+    import re
+    import time
+    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 = 53
+    ports_in_block = 54
+    cplda_sfp_num = 24
+    cpldb_sfp_num = 12
+    cpldc_sfp_num = 18
+
+    port_to_eeprom_mapping = {}
+    port_to_i2c_mapping = {}
+    sfp_ports = range(0, ports_in_block)
+    qsfp_ports = range(ports_in_block - 6, ports_in_block)
+
+
+    def __init__(self):
+        for x in range(self.port_start, self.port_end + 1):
+            if x < self.cpldb_sfp_num:
+                self.port_to_i2c_mapping.update({x:7})
+            elif x < self.cplda_sfp_num + self.cpldb_sfp_num:
+                self.port_to_i2c_mapping.update({x:6})
+            else:
+                self.port_to_i2c_mapping.update({x:8})
+
+        for x in range(self.port_start, self.port_end+1):
+            eeprom_path = '/sys/bus/i2c/devices/{0}-0050/sfp'+str(x+1)+'_eeprom'
+            port_eeprom_path = eeprom_path.format(self.port_to_i2c_mapping[x])
+            self.port_to_eeprom_mapping[x] = port_eeprom_path
+        SfpUtilBase.__init__(self)
+
+
+    def get_presence(self, port_num):
+        if port_num < self.port_start or port_num > self.port_end:
+            return False
+
+        if port_num < self.cpldb_sfp_num:
+            presence_path = '/sys/bus/i2c/devices/7-0075/sfp'+str(port_num+1)+'_present'
+        elif port_num < self.cpldb_sfp_num + self.cplda_sfp_num:
+            presence_path = '/sys/bus/i2c/devices/6-0074/sfp'+str(port_num+1)+'_present'
+        else:
+            presence_path = '/sys/bus/i2c/devices/8-0076/sfp'+str(port_num+1)+'_present'
+            
+        try:
+            file = open(presence_path)
+        except IOError as e:
+            print "Error: unable to open file: %s" % str(e)
+            return False
+
+        value = int(file.readline().rstrip())
+
+        file.close()
+        if value == 0:
+            return True
+
+        return False
+
+    def get_low_power_mode(self, port_num):
+        if port_num not in self.qsfp_ports:
+            return False
+
+        lowpower_path = '/sys/bus/i2c/devices/8-0076/sfp'+str(port_num+1)+'_lowpower'
+            
+        try:
+            file = open(lowpower_path)
+        except IOError as e:
+            print "Error: unable to open file: %s" % str(e)
+            return False
+
+        value = int(file.readline().rstrip())
+
+        file.close()
+        if value == 1:
+            return True
+
+        return False
+
+    def set_low_power_mode(self, port_num, lpmode):
+        if port_num not in self.qsfp_ports:
+            return False
+
+        lowpower_path = '/sys/bus/i2c/devices/8-0076/sfp'+str(port_num+1)+'_lowpower'
+
+        # LPMode is active high; set or clear the bit accordingly
+        if lpmode is True:
+            value = 1
+        else:
+            value = 0
+
+        try:
+            file = open(lowpower_path, "r+")
+        except IOError as e:
+            print "Error: unable to open file: %s" % str(e)
+            return False
+
+        file.seek(0)
+        file.write(str(value))
+        file.close()
+
+        return True
+
+    def reset(self, port_num):
+        if port_num not in self.qsfp_ports:
+            return False
+        reset_path = '/sys/bus/i2c/devices/8-0076/sfp'+str(port_num+1)+'_reset'
+
+        try:
+            file = open(reset_path, "r+")
+        except IOError as e:
+            print "Error: unable to open file: %s" % str(e)
+            return False
+
+        file.seek(0)
+        file.write(str(2))
+        file.close()
+
+        # Sleep 1 second to allow it to settle
+        time.sleep(1)
+
+        try:
+            file = open(reset_path, "r+")
+        except IOError as e:
+            print "Error: unable to open file: %s" % str(e)
+            return False
+
+        file.seek(0)
+        file.write(str(1))
+        file.close()
+
+        return True
+
+    def read_porttab_mappings(self, porttabfile):
+        logical = []
+        logical_to_bcm = {}
+        logical_to_physical = {}
+        physical_to_logical = {}
+        last_fp_port_index = 0
+        last_portname = ""
+        first = 1
+        port_pos_in_file = 0
+        parse_fmt_port_config_ini = False
+
+        try:
+            f = open(porttabfile)
+        except:
+            raise
+
+        parse_fmt_port_config_ini = (os.path.basename(porttabfile) == "port_config.ini")
+
+        # Read the porttab file and generate dicts
+        # with mapping for future reference.
+        # XXX: move the porttab
+        # parsing stuff to a separate module, or reuse
+        # if something already exists
+        for line in f:
+            line.strip()
+            if re.search("^#", line) is not None:
+                continue
+
+            # Parsing logic for 'port_config.ini' file
+            if (parse_fmt_port_config_ini):
+                # bcm_port is not explicitly listed in port_config.ini format
+                # Currently we assume ports are listed in numerical order according to bcm_port
+                # so we use the port's position in the file (zero-based) as bcm_port
+                portname = line.split()[0]
+
+                bcm_port = str(port_pos_in_file)
+
+                if len(line.split()) >= 4:
+                    fp_port_index = int(line.split()[3])
+                else:
+                    fp_port_index = portname.split("Ethernet").pop()
+                    fp_port_index = int(fp_port_index.split("s").pop(0))/4
+            else:  # Parsing logic for older 'portmap.ini' file
+                (portname, bcm_port) = line.split("=")[1].split(",")[:2]
+
+                fp_port_index = portname.split("Ethernet").pop()
+                fp_port_index = int(fp_port_index.split("s").pop(0))/4
+
+            if ((len(self.sfp_ports) > 0) and (fp_port_index not in self.sfp_ports)):
+                continue
+
+            if first == 1:
+                # Initialize last_[physical|logical]_port
+                # to the first valid port
+                last_fp_port_index = fp_port_index
+                last_portname = portname
+                first = 0
+
+            logical.append(portname)
+
+            logical_to_bcm[portname] = "xe" + bcm_port
+            logical_to_physical[portname] = [fp_port_index]
+            if physical_to_logical.get(fp_port_index) is None:
+                physical_to_logical[fp_port_index] = [portname]
+            else:
+                physical_to_logical[fp_port_index].append(
+                    portname)
+
+            if (fp_port_index - last_fp_port_index) > 1:
+                # last port was a gang port
+                for p in range(last_fp_port_index+1, fp_port_index):
+                    logical_to_physical[last_portname].append(p)
+                    if physical_to_logical.get(p) is None:
+                        physical_to_logical[p] = [last_portname]
+                    else:
+                        physical_to_logical[p].append(last_portname)
+
+            last_fp_port_index = fp_port_index
+            last_portname = portname
+
+            port_pos_in_file += 1
+
+        self.logical = logical
+        self.logical_to_bcm = logical_to_bcm
+        self.logical_to_physical = logical_to_physical
+        self.physical_to_logical = physical_to_logical
+
+        """
+        print "logical: " +  self.logical
+        print "logical to bcm: " + self.logical_to_bcm
+        print "logical to physical: " + self.logical_to_physical
+        print "physical to logical: " + self.physical_to_logical
+        """
+
+
+