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samsung ypr0: Include getty service in the patched firmware for usb serial shell access.

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The getty service mointors /dev/ttyGS0 (also created by the patched firmware).
When the g_serial.ko module is loaded this automatically enables shell access
via usb. It exposes a cdc-acm device to the host which is compatible to linux
(usb_serial.ko) and windows.

The g_serial.ko is not included module can be build from the YP-R0 open source
package provided by samsung. It can be loaded via rc.user on the internal memory.

Change-Id: I4903a635fd2e2f0ce6f5e91589a31d72bba2776b
This commit is contained in:
Thomas Martitz 2014-02-04 22:20:27 +01:00
parent 761975ef50
commit b828b9d99b
2 changed files with 9 additions and 0 deletions
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7
utils/ypr0tools/files/common/etc/inittab Normal file
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@ -0,0 +1,7 @@
# see busybox-1.00rc2/examples/inittab for more examples
::sysinit:/etc/rc.d/rc.start
::respawn:/etc/autologin ttymxc0 login -f root
::ctrlaltdel:/sbin/reboot
::shutdown:/etc/rc.d/rc.reboot
::restart:/sbin/init
::respawn:/sbin/getty -n -l /bin/sh 115200 /dev/ttyGS0

2
utils/ypr0tools/patch-firmware.sh
View file

@ -113,6 +113,8 @@ echo "Patching rootfs ($MODEL files)"
MODEL_FILES="$FILES/$MODEL" MODEL_FILES="$FILES/$MODEL"
echo "cp -r $MODEL_FILES/* $ROOTFS/" echo "cp -r $MODEL_FILES/* $ROOTFS/"
cp -r $MODEL_FILES/* $ROOTFS/ cp -r $MODEL_FILES/* $ROOTFS/
rm -rf $ROOTFS/dev/ttyGS0
mknod $ROOTFS/dev/ttyGS0 c 127 0
echo "Packing new cramfs image" echo "Packing new cramfs image"
cramfs-1.1/mkcramfs $ROOTFS $CRAMFS cramfs-1.1/mkcramfs $ROOTFS $CRAMFS