Dell S6100 Port I2C changes to 201911 branch (#5148)
This commit is contained in:
Aravind Mani
GitHub
parent
e115f7273e
commit
fef4626804
@ -1,5 +1,8 @@
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s6100/scripts/iom_power_*.sh usr/local/bin
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s6100/scripts/s6100_platform.sh usr/local/bin
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s6100/scripts/s6100_i2c_enumeration.sh usr/local/bin
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s6100/scripts/s6100_bitbang_reset.sh usr/local/bin
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s6100/scripts/pcisysfs.py usr/bin
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common/dell_i2c_utils.sh usr/local/bin
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common/io_rd_wr.py usr/local/bin
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common/nvram_rd_wr.py usr/local/bin
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@ -17,5 +20,6 @@ s6100/scripts/sensors usr/bin
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s6100/systemd/platform-modules-s6100.service etc/systemd/system
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s6100/systemd/s6100-lpc-monitor.service etc/systemd/system
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s6100/systemd/s6100-reboot-cause.service etc/systemd/system
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s6100/systemd/s6100-i2c-enumerate.service etc/systemd/system
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tools/flashrom/flashrom usr/local/bin/
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common/fw-updater usr/local/bin
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@ -4,3 +4,4 @@ if [[ -d /sys/devices/platform/SMF.512/hwmon/ ]]; then
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cd /sys/devices/platform/SMF.512/hwmon/*
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echo 0xcc > mb_poweron_reason
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fi
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/usr/local/bin/s6100_i2c_enumeration.sh deinit & > /dev/null
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91
platform/broadcom/sonic-platform-modules-dell/s6100/scripts/pcisysfs.py
Executable file
91
platform/broadcom/sonic-platform-modules-dell/s6100/scripts/pcisysfs.py
Executable file
@ -0,0 +1,91 @@
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#! /usr/bin/python
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import struct
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import sys
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import getopt
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from os import *
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from mmap import *
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def usage():
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''' This is the Usage Method '''
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print '\t\t pcisysfs.py --get --offset <offset> --res <resource>'
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print '\t\t pcisysfs.py --set --val <val> --offset <offset> --res <resource>'
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sys.exit(1)
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def pci_mem_read(mm,offset):
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mm.seek(offset)
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read_data_stream=mm.read(4)
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print ""
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reg_val=struct.unpack('I',read_data_stream)
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print "reg_val read:%x"%reg_val
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return reg_val
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def pci_mem_write(mm,offset,data):
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mm.seek(offset)
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#print "data to write:%x"%data
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mm.write(struct.pack('I',data))
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def pci_set_value(resource,val,offset):
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fd=open(resource,O_RDWR)
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mm=mmap(fd,0)
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pci_mem_write(mm,offset,val)
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close(fd)
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def pci_get_value(resource,offset):
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fd=open(resource,O_RDWR)
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mm=mmap(fd,0)
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pci_mem_read(mm,offset)
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close(fd)
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def main(argv):
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''' The main function will read the user input from the
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command line argument and process the request '''
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opts = ''
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val = ''
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choice = ''
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resource = ''
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offset = ''
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try:
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opts, args = getopt.getopt(argv, "hgsv:" , \
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["val=","res=","offset=","help", "get", "set"])
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except getopt.GetoptError:
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usage()
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for opt,arg in opts:
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if opt in ('-h','--help'):
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choice = 'help'
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elif opt in ('-g', '--get'):
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choice = 'get'
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elif opt in ('-s', '--set'):
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choice = 'set'
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elif opt == '--res':
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resource = arg
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elif opt == '--val':
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val = int(arg,16)
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elif opt == '--offset':
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offset = int(arg,16)
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if choice == 'set' and val != '' and offset !='' and resource !='':
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pci_set_value(resource,val,offset)
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elif choice == 'get' and offset != '' and resource !='':
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pci_get_value(resource,offset)
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else:
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usage()
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#Calling the main method
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if __name__ == "__main__":
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main(sys.argv[1:])
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@ -0,0 +1,59 @@
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#!/bin/bash
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# Script to unfreeze a stuck I2C controller, by bit-banging a STOP cycle on the bus
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bit_bang_recovery()
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{
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# Clear the ERRSTS
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pcisysfs.py --set --val 0xffffffff --offset 0x018 --res /sys/devices/pci0000\:00/0000\:00\:13.0/resource0
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#Enable I2C bit-banging
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pcisysfs.py --set --val 0x80000000 --offset 0x388 --res /sys/devices/pci0000\:00/0000\:00\:13.0/resource0
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count=1
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while [ $count -le 9 ];
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do
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# Bit-bang an I2C STOP cycle
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# SCL=0, SDA=0
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pcisysfs.py --set --val 0x80000000 --offset 0x388 --res /sys/devices/pci0000\:00/0000\:00\:13.0/resource0
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sleep 0.01
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# SCL=1, SDA=0
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pcisysfs.py --set --val 0x80000002 --offset 0x388 --res /sys/devices/pci0000\:00/0000\:00\:13.0/resource0
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sleep 0.01
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# SCL=1, SDA=1
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pcisysfs.py --set --val 0x80000003 --offset 0x388 --res /sys/devices/pci0000\:00/0000\:00\:13.0/resource0
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sleep 1
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# Check I2C DBSTS register
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mctrl=$((`pcisysfs.py --get --offset 0x108 --res /sys/devices/pci0000\:00/0000\:00\:13.0/resource0 | sed 's/^.*:/0x/'`))
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msts=$((`pcisysfs.py --get --offset 0x10c --res /sys/devices/pci0000\:00/0000\:00\:13.0/resource0 | sed 's/^.*:/0x/'`))
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dbsts=$((`pcisysfs.py --get --offset 0x38c --res /sys/devices/pci0000\:00/0000\:00\:13.0/resource0 | sed 's/^.*:/0x/'`))
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msts_ip=$((msts&0x1))
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mctrl=$((10#$mctrl))
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if [ $msts_ip = 0 ]; then
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logger -p NOTICE "I2C_bitbang-Bit banging done on I2C bus"
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logger -p NOTICE "After I2C_bitbang- MCTRL:$(printf "0x%x" $mctrl)","MSTS:$(printf "0x%x" $msts)","DBSTS:$(printf "0x%x" $dbsts)"
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break
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fi
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count=$(( $count + 1 ))
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done
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#Disable I2C bit-banging
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pcisysfs.py --set --val 0x00000003 --offset 0x388 --res /sys/devices/pci0000\:00/0000\:00\:13.0/resource0
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}
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mctrl=$((`pcisysfs.py --get --offset 0x108 --res /sys/devices/pci0000\:00/0000\:00\:13.0/resource0 | sed 's/^.*:/0x/'`))
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msts=$((`pcisysfs.py --get --offset 0x10c --res /sys/devices/pci0000\:00/0000\:00\:13.0/resource0 | sed 's/^.*:/0x/'`))
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dbsts=$((`pcisysfs.py --get --offset 0x38c --res /sys/devices/pci0000\:00/0000\:00\:13.0/resource0 | sed 's/^.*:/0x/'`))
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logger -p NOTICE "Before I2C_bitbang- MCTRL:$(printf "0x%x" $mctrl)","MSTS:$(printf "0x%x" $msts)","DBSTS:$(printf "0x%x" $dbsts)"
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sleep 2
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bit_bang_recovery
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@ -0,0 +1,264 @@
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#!/bin/bash
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### DellEMC S6100 I2C MUX Enumeration script
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source dell_i2c_utils.sh
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init_devnum() {
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found=0
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for devnum in 0 1; do
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devname=`cat /sys/bus/i2c/devices/i2c-${devnum}/name`
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# iSMT adapter can be at either dffd0000 or dfff0000
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if [[ $devname == 'SMBus iSMT adapter at '* ]]; then
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found=1
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break
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fi
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done
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[[ $found -eq 0 ]] && echo "cannot find iSMT" && exit 1
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}
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# Attach/Detach CPU board mux @ 0x70
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cpu_board_mux() {
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case $1 in
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"new_device") i2c_mux_create pca9547 0x70 $devnum 2
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;;
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"delete_device") i2c_mux_delete 0x70 $devnum
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;;
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*) echo "s6100_platform: cpu_board_mux: invalid command !"
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;;
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esac
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}
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# Attach/Detach Switchboard MUX @ 0x71
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switch_board_mux() {
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case $1 in
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"new_device") i2c_mux_create pca9548 0x71 4 10
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;;
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"delete_device") i2c_mux_delete 0x71 4
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;;
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*) echo "s6100_platform: switch_board_mux : invalid command !"
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;;
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esac
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}
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# Attach/Detach syseeprom on CPU board
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sys_eeprom() {
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case $1 in
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"new_device") i2c_config "echo 24c02 0x50 > /sys/bus/i2c/devices/i2c-2/$1"
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;;
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"delete_device") i2c_config "echo 0x50 > /sys/bus/i2c/devices/i2c-2/$1"
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;;
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*) echo "s6100_platform: sys_eeprom : invalid command !"
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;;
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esac
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}
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#Attach/Detach eeprom on each IOM
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switch_board_eeprom() {
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case $1 in
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"new_device")
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for ((i=14;i<=17;i++));
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do
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i2c_config "echo 24c02 0x50 > /sys/bus/i2c/devices/i2c-$i/$1"
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done
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;;
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"delete_device")
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for ((i=14;i<=17;i++));
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do
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i2c_config "echo 0x50 > /sys/bus/i2c/devices/i2c-$i/$1"
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done
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;;
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*) echo "s6100_platform: switch_board_eeprom : invalid command !"
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;;
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esac
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}
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#Attach/Detach CPLD devices to drivers for each IOM
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switch_board_cpld() {
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case $1 in
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"new_device")
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for ((i=14;i<=17;i++));
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do
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i2c_config "echo dell_s6100_iom_cpld 0x3e > /sys/bus/i2c/devices/i2c-$i/$1"
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done
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;;
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"delete_device")
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for ((i=14;i<=17;i++));
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do
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i2c_config "echo 0x3e > /sys/bus/i2c/devices/i2c-$i/$1"
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done
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;;
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*) echo "s6100_platform: switch_board_cpld : invalid command !"
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;;
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esac
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}
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#Attach/Detach the MUX connecting all QSFPs on each IOM @0x71 and 0x72
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switch_board_qsfp_mux() {
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case $1 in
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"new_device")
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# The mux for the QSFPs spawn {18..25}, {26..33}... {74..81}
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# starting at chennel 18 and 16 channels per IOM.
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channel_first=18
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for ((i=9;i>=6;i--));
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do
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# 0x71 mux on the IOM 1
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mux_index=$(expr $i - 5)
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echo "Attaching PCA9548 $mux_index"
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i2c_mux_create pca9548 0x71 $i $channel_first
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i2c_mux_create pca9548 0x72 $i $(expr $channel_first + 8)
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channel_first=$(expr $channel_first + 16)
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done
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;;
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"delete_device")
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for ((i=9;i>=6;i--));
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do
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# 0x71 mux on the IOM 1
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mux_index=$(expr $i - 5)
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echo "Detaching PCA9548 $mux_index"
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i2c_mux_delete 0x71 $i
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i2c_mux_delete 0x72 $i
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done
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;;
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*) echo "s6100_platform: switch_board_qsfp_mux: invalid command !"
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;;
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esac
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}
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#Attach/Detach the SFP modules on PCA9548_2
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switch_board_sfp() {
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case $1 in
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"new_device") i2c_config "echo optoe2 0x50 > /sys/bus/i2c/devices/i2c-11/$1"
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i2c_config "echo optoe2 0x50 > /sys/bus/i2c/devices/i2c-12/$1"
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;;
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"delete_device") i2c_config "echo 0x50 > /sys/bus/i2c/devices/i2c-11/$1"
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i2c_config "echo 0x50 > /sys/bus/i2c/devices/i2c-12/$1"
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;;
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*) echo "s6100_platform: switch_board_sfp: invalid command !"
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;;
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esac
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}
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#Add/Delete ($1) a range ($2..$3) of QSFPs
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qsfp_device_mod() {
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case $1 in
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"new_device") for ((i=$2;i<=$3;i++));
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do
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i2c_config "echo optoe1 0x50 > /sys/bus/i2c/devices/i2c-$i/$1"
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done
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;;
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"delete_device") for ((i=$2;i<=$3;i++));
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do
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i2c_config "echo 0x50 > /sys/bus/i2c/devices/i2c-$i/$1"
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done
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;;
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*) echo "s6100_platform: qsfp_device_mod: invalid command $1:$2,$3!"
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;;
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esac
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}
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# Attach/Detach 16 instances of QSFP ports on each IO modules
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# eeprom can dump data using below command
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switch_board_qsfp() {
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if i2c_poll_bus_exists "/sys/bus/i2c/devices/i2c-18"; then
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qsfp_device_mod $1 18 33
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fi
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if i2c_poll_bus_exists "/sys/bus/i2c/devices/i2c-34"; then
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qsfp_device_mod $1 34 49
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fi
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if i2c_poll_bus_exists "/sys/bus/i2c/devices/i2c-50"; then
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qsfp_device_mod $1 50 65
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fi
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if i2c_poll_bus_exists "/sys/bus/i2c/devices/i2c-66"; then
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qsfp_device_mod $1 66 81
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fi
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}
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# Enable/Disable low power mode on all QSFP ports
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switch_board_qsfp_lpmode() {
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case $1 in
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"enable") value=0xffff
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;;
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"disable") value=0x0
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;;
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*) echo "s6100_platform: switch_board_qsfp_lpmode: invalid command $1!"
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return
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;;
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esac
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echo $value > /sys/class/i2c-adapter/i2c-14/14-003e/qsfp_lpmode
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echo $value > /sys/class/i2c-adapter/i2c-15/15-003e/qsfp_lpmode
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echo $value > /sys/class/i2c-adapter/i2c-16/16-003e/qsfp_lpmode
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echo $value > /sys/class/i2c-adapter/i2c-17/17-003e/qsfp_lpmode
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}
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# Enable/Disable xcvr presence interrupts
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xcvr_presence_interrupts() {
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case $1 in
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"enable")
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for ((i=14;i<=17;i++));
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do
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echo 0x0 > /sys/class/i2c-adapter/i2c-$i/$i-003e/qsfp_abs_mask
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done
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;;
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"disable")
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for ((i=14;i<=17;i++));
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do
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echo 0xffff > /sys/class/i2c-adapter/i2c-$i/$i-003e/qsfp_abs_mask
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done
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;;
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*) echo "s6100_platform: xcvr_presence_interrupts: invalid command !"
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;;
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esac
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}
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# Reset the mux tree
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reset_muxes() {
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local i
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# Reset the IOM muxes (if they have been already instantiated)
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for ((i=14;i<=17;i++));
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do
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if [[ -e /sys/class/i2c-adapter/i2c-$i/$i-003e ]]; then
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echo 0xfc > /sys/class/i2c-adapter/i2c-$i/$i-003e/sep_reset
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echo 0xff > /sys/class/i2c-adapter/i2c-$i/$i-003e/sep_reset
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fi
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done
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# Reset the switch card PCA9548A
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io_rd_wr.py --set --val 0xef --offset 0x110
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io_rd_wr.py --set --val 0xff --offset 0x110
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# Reset the CPU Card PCA9547
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io_rd_wr.py --set --val 0xfd --offset 0x20b
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io_rd_wr.py --set --val 0xff --offset 0x20b
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}
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init_devnum
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if [[ "$1" == "init" ]]; then
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cpu_board_mux "new_device"
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switch_board_mux "new_device"
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sys_eeprom "new_device"
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switch_board_eeprom "new_device"
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switch_board_cpld "new_device"
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/usr/local/bin/s6100_bitbang_reset.sh
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switch_board_qsfp_mux "new_device"
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switch_board_sfp "new_device"
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switch_board_qsfp "new_device"
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switch_board_qsfp_lpmode "disable"
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xcvr_presence_interrupts "enable"
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elif [[ "$1" == "deinit" ]]; then
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xcvr_presence_interrupts "disable"
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switch_board_sfp "delete_device"
|
||||
switch_board_cpld "delete_device"
|
||||
switch_board_eeprom "delete_device"
|
||||
switch_board_mux "delete_device"
|
||||
sys_eeprom "delete_device"
|
||||
switch_board_qsfp "delete_device"
|
||||
switch_board_qsfp_mux "delete_device"
|
||||
cpu_board_mux "delete_device"
|
||||
fi
|
||||
@ -2,241 +2,6 @@
|
||||
|
||||
#platform init script for Dell S6100
|
||||
|
||||
source dell_i2c_utils.sh
|
||||
|
||||
init_devnum() {
|
||||
found=0
|
||||
for devnum in 0 1; do
|
||||
devname=`cat /sys/bus/i2c/devices/i2c-${devnum}/name`
|
||||
# iSMT adapter can be at either dffd0000 or dfff0000
|
||||
if [[ $devname == 'SMBus iSMT adapter at '* ]]; then
|
||||
found=1
|
||||
break
|
||||
fi
|
||||
done
|
||||
|
||||
[[ $found -eq 0 ]] && echo "cannot find iSMT" && exit 1
|
||||
}
|
||||
|
||||
# Attach/Detach CPU board mux @ 0x70
|
||||
cpu_board_mux() {
|
||||
case $1 in
|
||||
"new_device") i2c_mux_create pca9547 0x70 $devnum 2
|
||||
;;
|
||||
"delete_device") i2c_mux_delete 0x70 $devnum
|
||||
;;
|
||||
*) echo "s6100_platform: cpu_board_mux: invalid command !"
|
||||
;;
|
||||
esac
|
||||
}
|
||||
|
||||
# Attach/Detach Switchboard MUX @ 0x71
|
||||
switch_board_mux() {
|
||||
case $1 in
|
||||
"new_device") i2c_mux_create pca9548 0x71 4 10
|
||||
;;
|
||||
"delete_device") i2c_mux_delete 0x71 4
|
||||
;;
|
||||
*) echo "s6100_platform: switch_board_mux : invalid command !"
|
||||
;;
|
||||
esac
|
||||
}
|
||||
|
||||
# Attach/Detach syseeprom on CPU board
|
||||
sys_eeprom() {
|
||||
case $1 in
|
||||
"new_device") i2c_config "echo 24c02 0x50 > /sys/bus/i2c/devices/i2c-2/$1"
|
||||
;;
|
||||
"delete_device") i2c_config "echo 0x50 > /sys/bus/i2c/devices/i2c-2/$1"
|
||||
;;
|
||||
*) echo "s6100_platform: sys_eeprom : invalid command !"
|
||||
;;
|
||||
esac
|
||||
}
|
||||
|
||||
#Attach/Detach eeprom on each IOM
|
||||
switch_board_eeprom() {
|
||||
case $1 in
|
||||
"new_device")
|
||||
for ((i=14;i<=17;i++));
|
||||
do
|
||||
i2c_config "echo 24c02 0x50 > /sys/bus/i2c/devices/i2c-$i/$1"
|
||||
done
|
||||
;;
|
||||
"delete_device")
|
||||
for ((i=14;i<=17;i++));
|
||||
do
|
||||
i2c_config "echo 0x50 > /sys/bus/i2c/devices/i2c-$i/$1"
|
||||
done
|
||||
;;
|
||||
*) echo "s6100_platform: switch_board_eeprom : invalid command !"
|
||||
;;
|
||||
esac
|
||||
}
|
||||
|
||||
#Attach/Detach CPLD devices to drivers for each IOM
|
||||
switch_board_cpld() {
|
||||
case $1 in
|
||||
"new_device")
|
||||
for ((i=14;i<=17;i++));
|
||||
do
|
||||
i2c_config "echo dell_s6100_iom_cpld 0x3e > /sys/bus/i2c/devices/i2c-$i/$1"
|
||||
done
|
||||
;;
|
||||
"delete_device")
|
||||
for ((i=14;i<=17;i++));
|
||||
do
|
||||
i2c_config "echo 0x3e > /sys/bus/i2c/devices/i2c-$i/$1"
|
||||
done
|
||||
;;
|
||||
*) echo "s6100_platform: switch_board_cpld : invalid command !"
|
||||
;;
|
||||
esac
|
||||
}
|
||||
|
||||
#Attach/Detach the MUX connecting all QSFPs on each IOM @0x71 and 0x72
|
||||
switch_board_qsfp_mux() {
|
||||
case $1 in
|
||||
"new_device")
|
||||
# The mux for the QSFPs spawn {18..25}, {26..33}... {74..81}
|
||||
# starting at chennel 18 and 16 channels per IOM.
|
||||
channel_first=18
|
||||
for ((i=9;i>=6;i--));
|
||||
do
|
||||
# 0x71 mux on the IOM 1
|
||||
mux_index=$(expr $i - 5)
|
||||
echo "Attaching PCA9548 $mux_index"
|
||||
i2c_mux_create pca9548 0x71 $i $channel_first
|
||||
i2c_mux_create pca9548 0x72 $i $(expr $channel_first + 8)
|
||||
channel_first=$(expr $channel_first + 16)
|
||||
done
|
||||
;;
|
||||
"delete_device")
|
||||
for ((i=9;i>=6;i--));
|
||||
do
|
||||
# 0x71 mux on the IOM 1
|
||||
mux_index=$(expr $i - 5)
|
||||
echo "Detaching PCA9548 $mux_index"
|
||||
i2c_mux_delete 0x71 $i
|
||||
i2c_mux_delete 0x72 $i
|
||||
done
|
||||
;;
|
||||
*) echo "s6100_platform: switch_board_qsfp_mux: invalid command !"
|
||||
;;
|
||||
esac
|
||||
}
|
||||
|
||||
#Attach/Detach the SFP modules on PCA9548_2
|
||||
switch_board_sfp() {
|
||||
case $1 in
|
||||
"new_device") i2c_config "echo optoe2 0x50 > /sys/bus/i2c/devices/i2c-11/$1"
|
||||
i2c_config "echo optoe2 0x50 > /sys/bus/i2c/devices/i2c-12/$1"
|
||||
;;
|
||||
"delete_device") i2c_config "echo 0x50 > /sys/bus/i2c/devices/i2c-11/$1"
|
||||
i2c_config "echo 0x50 > /sys/bus/i2c/devices/i2c-12/$1"
|
||||
;;
|
||||
*) echo "s6100_platform: switch_board_sfp: invalid command !"
|
||||
;;
|
||||
esac
|
||||
}
|
||||
|
||||
#Add/Delete ($1) a range ($2..$3) of QSFPs
|
||||
qsfp_device_mod() {
|
||||
case $1 in
|
||||
"new_device") for ((i=$2;i<=$3;i++));
|
||||
do
|
||||
i2c_config "echo optoe1 0x50 > /sys/bus/i2c/devices/i2c-$i/$1"
|
||||
done
|
||||
;;
|
||||
"delete_device") for ((i=$2;i<=$3;i++));
|
||||
do
|
||||
i2c_config "echo 0x50 > /sys/bus/i2c/devices/i2c-$i/$1"
|
||||
done
|
||||
;;
|
||||
*) echo "s6100_platform: qsfp_device_mod: invalid command $1:$2,$3!"
|
||||
;;
|
||||
esac
|
||||
}
|
||||
|
||||
# Attach/Detach 16 instances of QSFP ports on each IO modules
|
||||
# eeprom can dump data using below command
|
||||
switch_board_qsfp() {
|
||||
if i2c_poll_bus_exists "/sys/bus/i2c/devices/i2c-18"; then
|
||||
qsfp_device_mod $1 18 33
|
||||
fi
|
||||
|
||||
if i2c_poll_bus_exists "/sys/bus/i2c/devices/i2c-34"; then
|
||||
qsfp_device_mod $1 34 49
|
||||
fi
|
||||
|
||||
if i2c_poll_bus_exists "/sys/bus/i2c/devices/i2c-50"; then
|
||||
qsfp_device_mod $1 50 65
|
||||
fi
|
||||
|
||||
if i2c_poll_bus_exists "/sys/bus/i2c/devices/i2c-66"; then
|
||||
qsfp_device_mod $1 66 81
|
||||
fi
|
||||
}
|
||||
|
||||
# Enable/Disable low power mode on all QSFP ports
|
||||
switch_board_qsfp_lpmode() {
|
||||
case $1 in
|
||||
"enable") value=0xffff
|
||||
;;
|
||||
"disable") value=0x0
|
||||
;;
|
||||
*) echo "s6100_platform: switch_board_qsfp_lpmode: invalid command $1!"
|
||||
return
|
||||
;;
|
||||
esac
|
||||
echo $value > /sys/class/i2c-adapter/i2c-14/14-003e/qsfp_lpmode
|
||||
echo $value > /sys/class/i2c-adapter/i2c-15/15-003e/qsfp_lpmode
|
||||
echo $value > /sys/class/i2c-adapter/i2c-16/16-003e/qsfp_lpmode
|
||||
echo $value > /sys/class/i2c-adapter/i2c-17/17-003e/qsfp_lpmode
|
||||
}
|
||||
|
||||
# Enable/Disable xcvr presence interrupts
|
||||
xcvr_presence_interrupts() {
|
||||
case $1 in
|
||||
"enable")
|
||||
for ((i=14;i<=17;i++));
|
||||
do
|
||||
echo 0x0 > /sys/class/i2c-adapter/i2c-$i/$i-003e/qsfp_abs_mask
|
||||
done
|
||||
;;
|
||||
"disable")
|
||||
for ((i=14;i<=17;i++));
|
||||
do
|
||||
echo 0xffff > /sys/class/i2c-adapter/i2c-$i/$i-003e/qsfp_abs_mask
|
||||
done
|
||||
;;
|
||||
*) echo "s6100_platform: xcvr_presence_interrupts: invalid command !"
|
||||
;;
|
||||
esac
|
||||
}
|
||||
|
||||
# Reset the mux tree
|
||||
reset_muxes() {
|
||||
local i
|
||||
|
||||
# Reset the IOM muxes (if they have been already instantiated)
|
||||
for ((i=14;i<=17;i++));
|
||||
do
|
||||
if [[ -e /sys/class/i2c-adapter/i2c-$i/$i-003e ]]; then
|
||||
echo 0xfc > /sys/class/i2c-adapter/i2c-$i/$i-003e/sep_reset
|
||||
echo 0xff > /sys/class/i2c-adapter/i2c-$i/$i-003e/sep_reset
|
||||
fi
|
||||
done
|
||||
|
||||
# Reset the switch card PCA9548A
|
||||
io_rd_wr.py --set --val 0xef --offset 0x110
|
||||
io_rd_wr.py --set --val 0xff --offset 0x110
|
||||
|
||||
# Reset the CPU Card PCA9547
|
||||
io_rd_wr.py --set --val 0xfd --offset 0x20b
|
||||
io_rd_wr.py --set --val 0xff --offset 0x20b
|
||||
}
|
||||
|
||||
install_python_api_package() {
|
||||
device="/usr/share/sonic/device"
|
||||
platform=$(/usr/local/bin/sonic-cfggen -H -v DEVICE_METADATA.localhost.platform)
|
||||
@ -251,7 +16,6 @@ remove_python_api_package() {
|
||||
fi
|
||||
}
|
||||
|
||||
init_devnum
|
||||
|
||||
if [[ "$1" == "init" ]]; then
|
||||
|
||||
@ -273,29 +37,18 @@ if [[ "$1" == "init" ]]; then
|
||||
/usr/local/bin/platform_watchdog_disable.sh
|
||||
fi
|
||||
|
||||
cpu_board_mux "new_device"
|
||||
switch_board_mux "new_device"
|
||||
sys_eeprom "new_device"
|
||||
switch_board_eeprom "new_device"
|
||||
switch_board_cpld "new_device"
|
||||
switch_board_qsfp_mux "new_device"
|
||||
switch_board_sfp "new_device"
|
||||
switch_board_qsfp "new_device"
|
||||
switch_board_qsfp_lpmode "disable"
|
||||
xcvr_presence_interrupts "enable"
|
||||
is_fast_warm=$(cat /proc/cmdline | grep SONIC_BOOT_TYPE | wc -l)
|
||||
|
||||
if [[ "$is_fast_warm" == "1" ]]; then
|
||||
systemctl start --no-block s6100-i2c-enumerate.service
|
||||
else
|
||||
systemctl start s6100-i2c-enumerate.service
|
||||
fi
|
||||
|
||||
install_python_api_package
|
||||
|
||||
elif [[ "$1" == "deinit" ]]; then
|
||||
xcvr_presence_interrupts "disable"
|
||||
switch_board_sfp "delete_device"
|
||||
switch_board_cpld "delete_device"
|
||||
switch_board_eeprom "delete_device"
|
||||
switch_board_mux "delete_device"
|
||||
sys_eeprom "delete_device"
|
||||
switch_board_qsfp "delete_device"
|
||||
switch_board_qsfp_mux "delete_device"
|
||||
cpu_board_mux "delete_device"
|
||||
/usr/local/bin/s6100_i2c_enumeration.sh deinit
|
||||
|
||||
modprobe -r dell_s6100_lpc
|
||||
modprobe -r dell_s6100_iom_cpld
|
||||
|
||||
@ -0,0 +1,12 @@
|
||||
[Unit]
|
||||
Description=Dell S6100 I2C MUX Enumeration
|
||||
Before=pmon.service
|
||||
DefaultDependencies=no
|
||||
|
||||
[Service]
|
||||
Type=oneshot
|
||||
ExecStart=/usr/local/bin/s6100_i2c_enumeration.sh init
|
||||
RemainAfterExit=no
|
||||
|
||||
[Install]
|
||||
WantedBy=multi-user.target
|
||||
Reference in New Issue
Block a user