Difference between revisions of "Beagleboard:BeagleBone Debian Image Migration"
(Add info on device trees) |
m (Fix capitalization of sysfs) |
||
| Line 1: | Line 1: | ||
==Kernel== | ==Kernel== | ||
| − | =====What changes were made to | + | =====What changes were made to sysfs?===== |
<blockquote> | <blockquote> | ||
{| class="wikitable sortable" | {| class="wikitable sortable" | ||
|- | |- | ||
| − | ! 3.8 kernel | + | ! 3.8 kernel sysfs entry !! 4.x kernel sysfs entry |
|- | |- | ||
| /sys/devices/bone_capemgr.* || /sys/devices/platform/bone_capemgr | | /sys/devices/bone_capemgr.* || /sys/devices/platform/bone_capemgr | ||
Revision as of 17:55, 10 September 2016
Kernel
What changes were made to sysfs?
3.8 kernel sysfs entry 4.x kernel sysfs entry /sys/devices/bone_capemgr.* /sys/devices/platform/bone_capemgr /sys/devices/ocp.* /sys/devices/platform/ocp/ /sys/devices/ocp.*/helper.*/AIN* /sys/bus/iio/devices/iio:device0
Device Tree
Disabling eMMC or HDMI
HDMI and eMMC are now part of the main dtb instead of being virtual CAPEs, which means that to disable these you change the 'dtb' variable in /boot/uEnv.txt instead of using capemgr.disable_partno:
| 3.8 kernel
cape_disable=capemgr.disable_partno= |
4.x kernel
dtb= |
|---|---|
| (blank) | am335x-boneblack.dtb |
| BB-BONELT-HDMI | ? |
| BB-BONELT-HDMI,BB-BONELT-HDMIN | am335x-boneblack-emmc-overlay.dtb |
| BB-BONE-EMMC-2G | am335x-boneblack-hdmi-overlay.dtb |
| BB-BONE-EMMC-2G,BB-BONELT-HDMI | am335x-boneblack-nhdmi-overlay.dtb |
| BB-BONE-EMMC-2G,BB-BONELT-HDMI,BB-BONELT-HDMIN | am335x-boneblack-overlay.dtb |
See also this survey of BeagleBone DTBs.
