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#!/bin/bash
#
# Copyright (c) 2021 Ampere Computing LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
do_flash () {
# Check the PNOR partition available
HOST_MTD=$(< /proc/mtd grep "pnor-uefi" | sed -n 's/^\(.*\):.*/\1/p')
if [ -z "$HOST_MTD" ];
then
# If the PNOR partition is not available, then bind again driver
echo "--- Bind the ASpeed SMC driver"
echo 1e630000.spi > /sys/bus/platform/drivers/aspeed-smc/bind
sleep 2
HOST_MTD=$(< /proc/mtd grep "pnor-uefi" | sed -n 's/^\(.*\):.*/\1/p')
if [ -z "$HOST_MTD" ];
then
echo "Fail to probe Host SPI-NOR device"
exit 1
fi
fi
echo "--- Flashing firmware to @/dev/$HOST_MTD"
flashcp -v "$IMAGE" /dev/"$HOST_MTD"
}
if [ $# -eq 0 ]; then
echo "Usage: $(basename "$0") <BIOS image file>"
exit 0
fi
IMAGE="$1"
if [ ! -f "$IMAGE" ]; then
echo "The image file $IMAGE does not exist"
exit 1
fi
if [ -z "$2" ]; then
DEV_SEL="1" # by default, select primary device
else
DEV_SEL="$2"
fi
# Turn off the Host if it is currently ON
chassisstate=$(obmcutil chassisstate | awk -F. '{print $NF}')
echo "--- Current Chassis State: $chassisstate"
if [ "$chassisstate" == 'On' ];
then
echo "--- Turning the Chassis off"
obmcutil chassisoff
sleep 10
# Check if HOST was OFF
chassisstate_off=$(obmcutil chassisstate | awk -F. '{print $NF}')
if [ "$chassisstate_off" == 'On' ];
then
echo "--- Error : Failed turning the Chassis off"
exit 1
fi
fi
# Switch the host SPI bus to BMC"
echo "--- Switch the host SPI bus to BMC."
if ! gpioset 0 226=0; then
echo "ERROR: Switch the host SPI bus to BMC. Please check gpio state"
exit 1
fi
# Switch the host SPI bus (between primary and secondary)
# 227 is BMC_SPI0_BACKUP_SEL
if [[ $DEV_SEL == 1 ]]; then
echo "Run update primary Host SPI-NOR"
gpioset 0 227=0 # Primary SPI
elif [[ $DEV_SEL == 2 ]]; then
echo "Run update secondary Host SPI-NOR"
gpioset 0 227=1 # Second SPI
else
echo "Please choose primary SPI (1) or second SPI (2)"
exit 0
fi
# Flash the firmware
do_flash
# Switch the host SPI bus to HOST."
echo "--- Switch the host SPI bus to HOST."
if ! gpioset 0 226=1; then
echo "ERROR: Switch the host SPI bus to HOST. Please check gpio state"
exit 1
fi
if [ "$chassisstate" == 'On' ];
then
sleep 5
echo "Turn on the Host"
obmcutil poweron
fi
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