Re: [beagleboard] How is a default Device Tree Blob determined?

2016-12-07 Thread Greg
On Wednesday, December 7, 2016 at 9:33:22 PM UTC-5, RobertCNelson wrote: > > removing capes works in 1-5% of overlays... > > from /boot/uEnv.txt remove the cape_universal=enable and it'll come up > with nothing on your next bootup.. > > Regards, > -- > Robert Nelson > https://rcn-ee.com/

Re: [beagleboard] How is a default Device Tree Blob determined?

2016-12-07 Thread Robert Nelson
> > OK, so let's say I have a version 4.4.30-ti-r64 kernel, and I get this after > boot: > > debian@BBG2:/sys/devices/platform/bone_capemgr$ cat slots > 0: PF -1 > 1: PF -1 > 2: PF -1 > 3: PF -1 > 4: P-O-L- 0 Override Board Name,00A0,Override Manuf,cape-universal > >

Re: [beagleboard] How is a default Device Tree Blob determined?

2016-12-07 Thread Greg
On Monday, March 21, 2016 at 9:54:12 PM UTC-4, RobertCNelson wrote: > > We look at the eeprom: > > > http://git.denx.de/?p=u-boot.git;a=blob;f=include/configs/am335x_evm.h;h=150c5235d230f597641bd8a8fbd8e4afa0fd16cd;hb=HEAD#l164 > > > Regards, > > > -- > Robert Nelson > https://rcn-ee.com/

Re: [beagleboard] How is a default Device Tree Blob determined?

2016-03-21 Thread Greg
I think that's a significant piece of info in understanding how the device tree data structure works for the Beaglebones. I've got several books on the Beaglebone + Google searching did not yield an answer. Thanks! Greg > > -- For more options, visit http://beagleboard.org/discuss --- You

Re: [beagleboard] How is a default Device Tree Blob determined?

2016-03-21 Thread Robert Nelson
On Mon, Mar 21, 2016 at 8:21 PM, Greg wrote: > I am trying to learn how a Device Tree Blob is selected (BeagleBoneBlack) > if: > > 1. No cape is plugged in. > 2. All dtb and cape lines in uEnv.txt are commented. > > In other words a default set-up with no specific DTB

[beagleboard] How is a default Device Tree Blob determined?

2016-03-21 Thread Greg
I am trying to learn how a Device Tree Blob is selected (BeagleBoneBlack) if: 1. No cape is plugged in. 2. All dtb and cape lines in uEnv.txt are commented. In other words a default set-up with no specific DTB or DTBO specified. What is the process or data used for determining which DTB is