80 lines
1.9 KiB
Bash
80 lines
1.9 KiB
Bash
#!/bin/sh -
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autodetect_board() {
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if [ ! -d /proc/device-tree/ ];
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then
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echo "Proc Device tree are not available, Could not detect on which board we are" > /dev/kmsg
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exit 1
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fi
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#search on device tree compatible entry the board type
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if $(grep -q "stm32mp157[acdf]-ev" /proc/device-tree/compatible) ;
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then
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board="STM32MP15_M4_EVAL"
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else if $(grep -q "stm32mp157[acdf]-dk" /proc/device-tree/compatible) ;
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then
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board="STM32MP15_M4_DISCO"
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else
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echo "Board is not an EVAL or a DISCO BOARD" > /dev/kmsg
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exit 1
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fi
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fi
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}
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copy_default_M4_fw() {
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#Test if ${board}_@default_fw@.elf is existing
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if [ -z "$(find @userfs_mount_point@/examples/* -name ${board}_@default_fw@.elf)" ]; then
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echo "The default copro example ${board}_@default_fw@ doesn't exist" > /dev/kmsg
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exit 1
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else
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#copy ${board}_@default_fw@.elf into /lib/firmware/
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cp $(find @userfs_mount_point@/examples/* -name ${board}_@default_fw@.elf) /lib/firmware/.
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fi
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}
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firmware_load_start() {
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# Change the name of the firmware
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echo -n ${board}_@default_fw@.elf > /sys/class/remoteproc/remoteproc0/firmware
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# Change path to found firmware
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#echo -n /home/root >/sys/module/firmware_class/parameters/path
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# Restart firmware
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echo start >/sys/class/remoteproc/remoteproc0/state
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echo "Booting fw image ${board}_@default_fw@.elf" > /dev/kmsg
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}
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firmware_load_stop() {
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# Stop the firmware
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if [ $(cat /sys/class/remoteproc/remoteproc0/state) == "running" ]; then
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echo stop >/sys/class/remoteproc/remoteproc0/state
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echo "Stopping fw image ${board}_@default_fw@.elf" > /dev/kmsg
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else
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echo "Default copro already stopped" > /dev/kmsg
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fi
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}
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board=""
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autodetect_board
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case "$1" in
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start)
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copy_default_M4_fw
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firmware_load_stop
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firmware_load_start
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;;
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stop)
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firmware_load_stop
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;;
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restart)
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firmware_load_stop
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firmware_load_start
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;;
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*)
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echo "HELP: $0 [start|stop|restart]"
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;;
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esac
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exit 0
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