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|
#!/bin/bash
set -e
POWER_CMD="/usr/sbin/power-util mb"
IMAGE_FILE=$1/bios.bin
GPIO=389
IPMB_OBJ="xyz.openbmc_project.Ipmi.Channel.Ipmb"
IPMB_PATH="/xyz/openbmc_project/Ipmi/Channel/Ipmb"
IPMB_INTF="org.openbmc.Ipmb"
IPMB_CALL="sendRequest yyyyay"
ME_CMD_RECOVER="1 0x2e 0 0xdf 4 0x57 0x01 0x00 0x01"
ME_CMD_RESET="1 6 0 0x2 0"
SPI_DEV="1e630000.spi"
SPI_PATH="/sys/bus/platform/drivers/aspeed-smc"
set_gpio_to_bmc()
{
echo "switch bios GPIO to bmc"
if [ ! -d /sys/class/gpio/gpio$GPIO ]; then
cd /sys/class/gpio
echo $GPIO > "export"
cd gpio$GPIO
else
cd /sys/class/gpio/gpio$GPIO
fi
direc=$(cat direction)
if [ "$direc" == "in" ]; then
echo "out" > direction
fi
data=$(cat value)
if [ "$data" == "0" ]; then
echo 1 > value
fi
return 0
}
set_gpio_to_pch()
{
echo "switch bios GPIO to pch"
if [ ! -d /sys/class/gpio/gpio$GPIO ]; then
cd /sys/class/gpio
echo $GPIO > "export"
cd gpio$GPIO
else
cd /sys/class/gpio/gpio$GPIO
fi
direc=$(cat direction)
if [ "$direc" == "in" ]; then
echo "out" > direction
fi
data=$(cat value)
if [ "$data" == "1" ]; then
echo 0 > value
fi
echo "in" > direction
echo $GPIO > /sys/class/gpio/unexport
return 0
}
echo "Bios upgrade started at $(date)"
#Power off host server.
echo "Power off host server"
$POWER_CMD off
sleep 15
if [ "$($POWER_CMD status)" != "off" ];
then
echo "Host server didn't power off"
echo "Bios upgrade failed"
exit 1
fi
echo "Host server powered off"
#Set ME to recovery mode
echo "Set ME to recovery mode"
# shellcheck disable=SC2086
busctl call "$IPMB_OBJ" "$IPMB_PATH" "$IPMB_INTF" $IPMB_CALL $ME_CMD_RECOVER
sleep 5
#Flip GPIO to access SPI flash used by host.
echo "Set GPIO $GPIO to access SPI flash from BMC used by host"
set_gpio_to_bmc
#Bind spi driver to access flash
echo "bind aspeed-smc spi driver"
echo -n $SPI_DEV > $SPI_PATH/bind
sleep 1
#Flashcp image to device.
if [ -e "$IMAGE_FILE" ];
then
echo "Bios image is $IMAGE_FILE"
for d in mtd6 mtd7 ; do
if [ -e "/dev/$d" ]; then
mtd=$(cat /sys/class/mtd/$d/name)
if [ "$mtd" == "pnor" ]; then
echo "Flashing bios image to $d..."
if flashcp -v "$IMAGE_FILE" /dev/$d; then
echo "bios updated successfully..."
else
echo "bios update failed..."
fi
break
fi
echo "$d is not a pnor device"
fi
echo "$d not available"
done
else
echo "Bios image $IMAGE_FILE doesn't exist"
fi
#Unbind spi driver
sleep 1
echo "Unbind aspeed-smc spi driver"
echo -n $SPI_DEV > $SPI_PATH/unbind
sleep 10
#Flip GPIO back for host to access SPI flash
echo "Set GPIO $GPIO back for host to access SPI flash"
set_gpio_to_pch
sleep 5
#Reset ME to boot from new bios
echo "Reset ME to boot from new bios"
# shellcheck disable=SC2086
busctl call "$IPMB_OBJ" "$IPMB_PATH" "$IPMB_INTF" $IPMB_CALL $ME_CMD_RESET
sleep 10
#Power on server
echo "Power on server"
$POWER_CMD on
sleep 5
# Retry to power on once again if server didn't powered on
if [ "$($POWER_CMD status)" != "on" ];
then
sleep 5
echo "Powering on server again"
$POWER_CMD on
fi
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