198 lines
5.1 KiB
Bash
198 lines
5.1 KiB
Bash
#!/bin/sh
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action=$1
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nic_type=$2
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slot_id=$3
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# Param: i2c_command only valid for function 'send'
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i2c_command=$4
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path=`pwd`
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i2c_script="${path}/i2c_m7.sh"
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fmt_print="${path}/format_print.sh"
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pca9548_slave=""
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pca9641_slave=""
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i2c_bus=""
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pca9548_channel=""
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is_have_pca9641=0
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# An func to echo a error code and then exit
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# @Param1 error code
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throw_error(){
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echo $1
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exit 1
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}
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record_i2c_status(){
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$fmt_print "log" "Info" "[platform_5688m7] Start record i2c configuration"
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$fmt_print "log" "Info" "Nic Type: $nic_type"
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$fmt_print "log" "Info" "Nic slot: $slot_id"
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$fmt_print "log" "Info" "i2c bus: $i2c_bus"
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$fmt_print "log" "Info" "is have pca9641: $is_have_pca9641"
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$fmt_print "log" "Info" "pca9641 slave: $is_have_pca9641"
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$fmt_print "log" "Info" "pca9548 slave: $pca9548_slave"
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$fmt_print "log" "Info" "pca9548 channel: $pca9548_channel"
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}
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set_i2c_config(){
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# set pca9641 address && I2C BUS
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if [ "${nic_type}" == "ocp" ];then
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$fmt_print "console" "Error" "[platform_5688m7] Unsupport OCP Nic"
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exit 1
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else
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is_have_pca9641=1
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i2c_bus=12
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pca9641_slave="0x31"
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if [ $slot_id -le 3 ];then
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pca9548_slave="0x71"
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else
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pca9548_slave="0x72"
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fi
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fi
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# set pca9548 switch channel
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if [ "${nic_type}" == "ocp" ];then
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$fmt_print "console" "Error" "[platform_5688m7] Unsupport OCP Nic"
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exit 1
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else
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if [ $slot_id -eq 0 ];then
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pca9548_channel="0x01"
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elif [ $slot_id -eq 1 ];then
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pca9548_channel="0x02"
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elif [ $slot_id -eq 2 ];then
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pca9548_channel="0x04"
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elif [ $slot_id -eq 3 ];then
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pca9548_channel="0x08"
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elif [ $slot_id -eq 4 ];then
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pca9548_channel="0x01"
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elif [ $slot_id -eq 5 ];then
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pca9548_channel="0x02"
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elif [ $slot_id -eq 6 ];then
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pca9548_channel="0x04"
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elif [ $slot_id -eq 7 ];then
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pca9548_channel="0x08"
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else
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$fmt_print "console" "Warning" "Unspecified card slot!"
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fi
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fi
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record_i2c_status
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}
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get_pca9641_control(){
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$fmt_print "log" "Info" "[platform_5688m7] Start Get pca9641 control"
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# Request 9641 lock
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res_lock=`i2ctransfer -y $i2c_bus w2@$pca9641_slave 0x01 0x81 r1`
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$fmt_print "log" "Info" "[platform_5688m7] After request 9641 lock, The REG value is $res_lock"
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# Build 9641 Connection
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res_build=`i2ctransfer -y $i2c_bus w2@$pca9641_slave 0x01 0x85 r1`
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$fmt_print "log" "Info" "[platform_5688m7] After Build 9641 connection, The REG value is $res_build"
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if [ "$res_build" != "0x87" ];then
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$fmt_print "console" "Error" "Cannot establish connection with pca9641 !!!"
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throw_error "-1"
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fi
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}
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select_pca9548_channel(){
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$fmt_print "log" "Info" "[platform_5688m7] Start Switch PCA9548"
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$i2c_script "$i2c_bus" 1 "$pca9548_slave" "$pca9548_channel" 0
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}
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build_i2c_connect(){
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$fmt_print "log" "Info" "[platform_5688m7] Start build i2c connect"
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set_i2c_config
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if [ $is_have_pca9641 -eq 1 ];then
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get_pca9641_control
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fi
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select_pca9548_channel
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echo "$i2c_bus"
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}
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# switch pca9548 channels then do i2cdetect one times
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# @Param1 i2c bus number
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# @Param2 pca9548 slave address
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# @Param3 pca9548 channel hex value
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# @Param4 pca9548 channel
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# @Param5 pcie slot number
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do_i2c_detect(){
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if [ "${nic_type}" == "ocp" ];then
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$fmt_print "console" "Info" "OCP slot $5 : bus$1 9548channel$4"
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else
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$fmt_print "console" "Info" "PCIe slot $5 : bus$1 9548channel$4"
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fi
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i2ctransfer -y $1 w1@$2 $3
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i2cdetect -y $1
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}
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detect_on_server(){
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$fmt_print "console" "Info" "[platform_5688m7] Start i2c detect"
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if [ "${nic_type}" == "ocp" ];then
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$fmt_print "console" "Error" "[platform_5688m7] Unsupport OCP Nic I2C Detect"
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else
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i2c_bus=12
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pca9641_slave="0x31"
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get_pca9641_control
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do_i2c_detect $i2c_bus 0x71 0x01 0 0
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do_i2c_detect $i2c_bus 0x71 0x02 1 1
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do_i2c_detect $i2c_bus 0x71 0x04 2 2
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do_i2c_detect $i2c_bus 0x71 0x08 3 3
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i2ctransfer -y $i2c_bus w1@0x71 0x00
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do_i2c_detect $i2c_bus 0x72 0x01 0 4
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do_i2c_detect $i2c_bus 0x72 0x02 1 5
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do_i2c_detect $i2c_bus 0x72 0x04 2 6
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do_i2c_detect $i2c_bus 0x72 0x08 3 7
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i2ctransfer -y $i2c_bus w1@0x72 0x00
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fi
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}
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reset_all_pca9548(){
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i2ctransfer -y 12 w1@0x71 0x00
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i2ctransfer -y 12 w1@0x72 0x00
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}
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send_i2c_command(){
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$fmt_print "log" "Info" "[platform_5280m7] Send an i2c command"
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set_i2c_config
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if [ $is_have_pca9641 -eq 1 ];then
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get_pca9641_control
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fi
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select_pca9548_channel
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$i2c_command
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}
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# ---------------------------------------------------
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# Start Execute Script
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# ---------------------------------------------------
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case "${action}" in
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"connect")
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build_i2c_connect
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;;
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"detect")
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detect_on_server
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;;
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"reset")
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reset_all_pca9548
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;;
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"send")
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send_i2c_command
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;;
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*)
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$fmt_print "console" "Error" "[platform_5688m7] Unspecified Operation : $action"
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exit 1
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;;
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esac
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exit 0
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