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Enable USB OTG serial terminal on ARM SD card images. This configures

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the system to make use of USB device mode / USB OTG to provide a "virtual
serial port" on release images.

Reviewed by:	gjb@
MFC after:	2 weeks
Relnotes:	yes
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D15602
This commit is contained in:
Edward Tomasz Napierala 2018-06-12 16:45:52 +00:00
parent bc0d110222
commit 4fe984fdae
1 changed files with 36 additions and 0 deletions
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36
release/tools/arm.subr
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@ -92,6 +92,41 @@ arm_create_user() {
return 0
}
arm_setup_usb_otg() {
# Set up virtual serial port over USB OTG / device mode.
echo >> ${CHROOTDIR}/${DESTDIR}/etc/devd.conf
echo '# Required for USB OTG virtual serial port.' \
>> ${CHROOTDIR}/${DESTDIR}/etc/devd.conf
echo 'notify 100 {' \
>> ${CHROOTDIR}/${DESTDIR}/etc/devd.conf
echo ' match "system" "DEVFS";' \
>> ${CHROOTDIR}/${DESTDIR}/etc/devd.conf
echo ' match "subsystem" "CDEV";' \
>> ${CHROOTDIR}/${DESTDIR}/etc/devd.conf
echo ' match "type" "CREATE";' \
>> ${CHROOTDIR}/${DESTDIR}/etc/devd.conf
echo ' match "cdev" "ttyU[0-9]+";' \
>> ${CHROOTDIR}/${DESTDIR}/etc/devd.conf
echo ' action "/sbin/init q";' \
>> ${CHROOTDIR}/${DESTDIR}/etc/devd.conf
echo '};' \
>> ${CHROOTDIR}/${DESTDIR}/etc/devd.conf
echo '# USB OTG virtual serial port' \
>> ${CHROOTDIR}/${DESTDIR}/etc/ttys
echo 'ttyU0 "/usr/libexec/getty 3wire" vt100 onifconsole secure' \
>> ${CHROOTDIR}/${DESTDIR}/etc/ttys
echo 'ttyU1 "/usr/libexec/getty 3wire" vt100 onifconsole secure' \
>> ${CHROOTDIR}/${DESTDIR}/etc/ttys
echo '# Configure USB OTG; see usb_template(4).' \
>> ${CHROOTDIR}/${DESTDIR}/boot/loader.conf
echo 'hw.usb.template=3' \
>> ${CHROOTDIR}/${DESTDIR}/boot/loader.conf
echo 'umodem_load="YES"' \
>> ${CHROOTDIR}/${DESTDIR}/boot/loader.conf
}
arm_install_base() {
chroot ${CHROOTDIR} mount /dev/${mddev}s2a ${DESTDIR}
eval chroot ${CHROOTDIR} make -C ${WORLDDIR} \
@ -102,6 +137,7 @@ arm_install_base() {
chroot ${CHROOTDIR} mkdir -p ${DESTDIR}/boot/msdos
arm_create_user
arm_setup_usb_otg
echo '# Custom /etc/fstab for FreeBSD embedded images' \
> ${CHROOTDIR}/${DESTDIR}/etc/fstab