38 lines
1.1 KiB
Python
38 lines
1.1 KiB
Python
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#!/usr/bin/env python
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import os
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import time
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def release_board():
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if open('/proc/cmdline', 'r').readlines()[0].find('SONIC_BOOT_TYPE=warm') != -1:
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return
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os.system('i2cset -y 0 0x37 0x4 0x0')
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time.sleep(1)
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os.system('i2cset -y 0 0x37 0x4 0x1')
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time.sleep(1)
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os.system('echo 1 > /sys/bus/pci/devices/0000\:00\:1c.0/remove')
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time.sleep(1)
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os.system('echo 1 > /sys/bus/pci/rescan')
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time.sleep(1)
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# EPLD_QSFP_RST
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os.system('i2cset -y 0 0x36 0x5 0xff')
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os.system('i2cset -y 0 0x37 0x5 0xff')
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# EPLD_QSFP_INT_MASK
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os.system('i2cset -y 0 0x36 0xd 0xff')
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os.system('i2cset -y 0 0x37 0xd 0xff')
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# EPLD_PPU_INT_MASK
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os.system('i2cset -y 0 0x36 0xb 0x00')
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# EPLD_SFP_DISABLE1
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os.system('i2cset -y 0 0x36 0xe 0x00')
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os.system('i2cset -y 0 0x37 0xe 0x00')
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# EPLD_SFP_DISABLE2
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os.system('i2cset -y 0 0x36 0xf 0x00')
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os.system('i2cset -y 0 0x37 0xf 0x00')
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# EPLD_SFP_DISABLE3
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os.system('i2cset -y 0 0x36 0x10 0x00')
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os.system('i2cset -y 0 0x37 0x10 0x00')
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if __name__ == '__main__':
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release_board()
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