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diff --git a/rocketport-upci-firmware.sh b/rocketport-upci-firmware.sh
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+++ b/rocketport-upci-firmware.sh
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+#!/usr/bin/bash
+
+# 2017-07-17 -CJS (GPL)
+
+# switches:
+#   --systemd - run notify at end. This MUST be the first switch
+#   Add any of the loadrm2 switches you want
+# Examples
+#   rocketport-upci-firmware.sh -p
+#   rocketport-upci-firmware.sh --systemd -p
+
+#ROCKETMODEM II NOTE
+
+#If you are using a RocketModem II board, further installation and
+#setup is required.  Note: this does not apply to RocketModem IIs
+#boards.
+
+# Load firmware onto all RocketModem II
+# The instructions say to load it on all ports but that
+# causes long delays.
+
+# sudo sed -e 's:^:#:g' '/proc/tty/driver/rocketupci'
+#serinfo:1.0 driver revision:
+#0: uart:RP UPCI Plus 4 port RJ45 port:0001B000 irq:18 tx:30 rx:0
+#1: uart:RP UPCI Plus 4 port RJ45 port:0001B002 irq:18 tx:30 rx:0
+#2: uart:RP UPCI Plus 4 port RJ45 port:0001B004 irq:18 tx:30 rx:0
+#3: uart:RP UPCI Plus 4 port RJ45 port:0001B006 irq:18 tx:30 rx:0
+
+#No response from RocketModem on /dev/ttyR0, trying reset...
+#No response from RocketModem on /dev/ttyR1, trying reset...
+#No response from RocketModem on /dev/ttyR2, trying reset...
+#No response from RocketModem on /dev/ttyR3, trying reset...
+#No response from RocketModem on /dev/ttyR0, couldn't initialize.
+#No response from RocketModem on /dev/ttyR1, couldn't initialize.
+#No response from RocketModem on /dev/ttyR2, couldn't initialize.
+#No response from RocketModem on /dev/ttyR3, couldn't initialize.
+
+# The right modems are easy to detect.
+
+set -e
+set -u
+
+module='rocket'
+
+if [ "${EUID}" -ne 0 ]; then
+  echo 'root is required to load firmware'
+  exit 1
+fi
+
+_opt_systemd=0
+if [ "${1:-}" = '--systemd' ]; then
+  _opt_systemd=1
+  shift
+fi
+
+# just in case the boot is too fast
+if [ ! -f "/proc/tty/driver/${module}" ]; then
+  echo "wait for online: /proc/tty/driver/${module}"
+  sleep 5
+fi
+
+if readarray -t rockets < "/proc/tty/driver/${module}"; then
+  #declare -p rockets
+  rocketmodems=()
+  for rocket in "${rockets[@]}"; do
+    #echo "Checking ${rocket}"
+    if [[ "${rocket^^}" =~ ^[0-9]+:.*' PCI RocketModem II ' ]]; then
+      rocketmodems+=("/dev/ttyR${rocket%%:*}")
+    fi
+  done
+  if [ "${#rocketmodems[@]}" -ne 0 ]; then
+    loadrm2 "$@" "${rocketmodems[@]}"
+  fi
+fi
+
+if [ "${_opt_systemd}" -ne 0 ]; then
+  systemd-notify --ready
+fi