You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
BeagleV-Fire-ubuntu/rootfs/etc/microchip/update-gateware.sh

67 lines
2.0 KiB
Bash

#!/bin/sh
if [ $# -eq 0 ]; then
echo "No gateware location provided. Checking default location."
if [ ! -e /lib/firmware/mpfs_bitstream.spi ]; then
echo "No gateware file found."
exit 1
fi
else
echo "Gateware location provided: $1"
if [ ! -e "$1"/mpfs_bitstream.spi ]; then
echo "No gateware file found."
exit 1
else
if [ ! -d /lib/firmware ]; then
mkdir /lib/firmware
fi
cp "$1"/mpfs_dtbo.spi /lib/firmware/mpfs_dtbo.spi
cp "$1"/mpfs_bitstream.spi /lib/firmware/mpfs_bitstream.spi
fi
fi
# Trash existing device tree overlay in case the rest of the process fails:
flash_erase /dev/mtd0 0 16
# Initiate FPGA update for dtbo
echo 1 > /sys/class/firmware/mpfs-auto-update/loading
# Write device tree overlay
cat /lib/firmware/mpfs_dtbo.spi > /sys/class/firmware/mpfs-auto-update/data
# Signal completion for dtbo load
echo 0 > /sys/class/firmware/mpfs-auto-update/loading
while [ "$(cat /sys/class/firmware/mpfs-auto-update/status)" != "idle" ]; do
# Do nothing, just keep checking
sleep 1
done
# Fake the presence of a golden image for now.
dd if=/dev/zero of=/dev/mtd0 count=1 bs=4
# Initiate FPGA update for bitstream
echo 1 > /sys/class/firmware/mpfs-auto-update/loading
# Write the firmware image to the data sysfs file
cat /lib/firmware/mpfs_bitstream.spi > /sys/class/firmware/mpfs-auto-update/data
# Signal completion for bitstream load
echo 0 > /sys/class/firmware/mpfs-auto-update/loading
while [ "$(cat /sys/class/firmware/mpfs-auto-update/status)" != "idle" ]; do
# Do nothing, just keep checking
sleep 1
done
# When the status is 'idle' and no error has occured, reboot the system for
# the gateware update to take effect. FPGA reprogramming takes places between
# Linux shut-down and HSS restarting the board.
if [ "$(cat /sys/class/firmware/mpfs-auto-update/error)" = "" ]; then
echo "FPGA update ready. Rebooting."
reboot
else
echo "FPGA update failed with status: $(cat /sys/class/firmware/mpfs-auto-update/error)"
exit 1
fi