On 2018-06-12 18:45, Edward Tomasz Napierala wrote:
Author: trasz
Date: Tue Jun 12 16:45:52 2018
New Revision: 335004
URL: https://svnweb.freebsd.org/changeset/base/335004
Log:
Enable USB OTG serial terminal on ARM SD card images. This
configures
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
Modified:
head/release/tools/arm.subr
Modified: head/release/tools/arm.subr
==============================================================================
--- head/release/tools/arm.subr Tue Jun 12 16:44:13 2018 (r335003)
+++ head/release/tools/arm.subr Tue Jun 12 16:45:52 2018 (r335004)
@@ -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
This will be wiped after the first update, better create
/etc/devd/otg_serial.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
If I have no OTG port and a usb<->uart plugged into my board that will
give weird result no ?
+ 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
I'm not a big fan of always enabling this functionality. Do you have a
board that have no uart but an otg port ?
+}
+
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
--
Emmanuel Vadot <m...@bidouilliste.com> <m...@freebsd.org>
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