108 lines
2.7 KiB
Python
108 lines
2.7 KiB
Python
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#!/usr/bin/env python
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import subprocess
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try:
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from sonic_sfp.sfputilbase import sfputilbase
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except ImportError, e:
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raise ImportError (str(e) + "- required module not found")
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i2c_set = 'i2cset'
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cpld_addr = '0x33'
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mux_reg = '0x4A'
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class sfputil(sfputilbase):
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"""Platform specific sfputil class"""
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port_start = 0
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port_end = 63
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ports_in_block = 64
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port_to_eeprom_mapping = {}
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port_to_i2c_mapping = {
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0: [2,1],
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1: [2,2],
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2: [2,3],
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3: [2,4],
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4: [2,5],
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5: [2,6],
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6: [2,7],
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7: [2,8],
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8: [2,9],
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9: [2,10],
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10: [2,11],
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11: [2,12],
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12: [2,13],
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13: [2,14],
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14: [2,15],
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15: [2,16],
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16: [2,17],
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17: [2,18],
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18: [2,19],
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19: [2,20],
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20: [2,21],
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21: [2,22],
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22: [2,23],
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23: [2,24],
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24: [3,1],
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25: [3,2],
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26: [3,3],
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27: [3,4],
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28: [3,5],
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29: [3,6],
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30: [3,7],
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31: [3,8],
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32: [3,9],
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33: [3,10],
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34: [3,11],
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35: [3,12],
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36: [3,13],
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37: [3,14],
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38: [3,15],
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39: [3,16],
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40: [3,17],
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41: [3,18],
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42: [3,19],
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43: [3,20],
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44: [3,21],
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45: [3,22],
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46: [3,23],
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47: [3,24],
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48: [4,1],
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49: [4,2],
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50: [4,3],
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51: [4,4],
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52: [4,5],
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53: [4,6],
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54: [4,7],
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55: [4,8],
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56: [4,9],
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57: [4,10],
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58: [4,11],
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59: [4,12],
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60: [4,13],
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61: [4,14],
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62: [4,15],
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63: [4,16]
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}
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_qsfp_ports = range(0, ports_in_block + 1)
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def __init__(self, port_num):
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# Override port_to_eeprom_mapping for class initialization
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i2c_bus = self.port_to_i2c_mapping[port_num][0]
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sfp_idx = self.port_to_i2c_mapping[port_num][1]
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proc = subprocess.Popen([i2c_set, '-y', str(i2c_bus), cpld_addr, mux_reg, str(sfp_idx)],
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stdout=subprocess.PIPE,
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shell=False,
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stderr=subprocess.STDOUT)
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stdout = proc.communicate()[0]
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proc.wait()
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eeprom_path = '/sys/class/i2c-adapter/i2c-{0[0]}/{0[0]}-0050/eeprom'
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for x in range(self.port_start, self.port_end + 1):
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port_eeprom_path = eeprom_path.format(self.port_to_i2c_mapping[x])
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self.port_to_eeprom_mapping[x] = port_eeprom_path
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sfputilbase.__init__(self, port_num)
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