I may be barking up the wrong tree here, but I also notice that the
uboot partition contains dtbs (see below). Do I need to put my cape's
dtb here? Also I am attaching the uEnv.txt from the Debian system. I am
particularly confused by the line:
loadfdt=load mmc ${mmcdev}:${mmcpart} 0x815f0000 /dtbs/${fdtfile}
I have been looking for some documentation on this without success.
Best regards,
Dave.
root@debian:~# ls -R /boot/uboot/dtbs/
/boot/uboot/dtbs/:
am335x-boneblack.dtb omap3430-sdp.dtb omap4-panda.dtb
am335x-bone.dtb omap3-beagle.dtb omap4-panda-es.dtb
am335x-evm.dtb omap3-beagle-xm.dtb omap4-sdp.dtb
am335x-evmsk.dtb omap3-devkit8000.dtb omap4-sdp-es23plus.dtb
am335x-tester.dtb omap3-evm.dtb omap4-var-som.dtb
am3517-evm.dtb omap3-igep0020.dtb omap5-evm.dtb
am3517_mt_ventoux.dtb omap3-igep0030.dtb omap5-uevm.dtb
am43x-epos-evm.dtb omap3-tobi.dtb
omap2420-h4.dtb omap4-panda-a4.dtb
On 12/06/2013 11:58 AM, William Hermans wrote:
Errr, that is as long as the file names have not changed . . .
I also wanted to point out that that technically uEnv.txt and uboot
have *nothing* to do with the OS in particular. However in this case
optargs are passed to the kernel when it starts up so . ..
On Fri, Dec 6, 2013 at 10:55 AM, William Hermans <[email protected]
<mailto:[email protected]>> wrote:
optargs=capemgr.disable_partno=BB-BONELT-HDMI,BB-BONELT-HDMIN
On Fri, Dec 6, 2013 at 10:48 AM, David Lambert <[email protected]
<mailto:[email protected]>> wrote:
On 12/05/2013 03:53 PM, Robert Nelson wrote:
Well, the best option is to write a patch against:
https://github.com/beagleboard/kernel/tree/3.8
and then i'll merge it into both tree's and push out a new
debian/ubuntu kernel build. .;) So everyone get's the
patch and
supports your new cape out of the box...
Regards,
Well I got my module and dtb to compile and install cleanly,
but I am now confused by the uEnv.txt. It appears to be much
more complex than the one I used for Angstrom (attached). I
would like to disable the HDMI virtual cape and enable mine.
Is there a wiki that explains how to do this with Debian?
Regards,
Dave.
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#Normal Boot
initrd_high=0xffffffff
fdt_high=0xffffffff
kernel_file=zImage
initrd_file=initrd.img
console=ttyO0,115200n8
mmcroot=/dev/mmcblk0p5 ro
mmcrootfstype=ext4 rootwait fixrtc
loadkernel=load mmc ${mmcdev}:${mmcpart} 0x80300000 ${kernel_file}
loadinitrd=load mmc ${mmcdev}:${mmcpart} 0x81600000 ${initrd_file}; setenv
initrd_size ${filesize}
loadfdt=load mmc ${mmcdev}:${mmcpart} 0x815f0000 /dtbs/${fdtfile}
boot_classic=run loadkernel; run loadinitrd
boot_fdt=run loadkernel; run loadinitrd; run loadfdt
video_args=setenv video VIDEO_DISPLAY
device_args=run video_args; run expansion_args; run mmcargs
mmcargs=setenv bootargs console=${console} ${optargs} ${video} root=${mmcroot}
rootfstype=${mmcrootfstype} ${expansion}
expansion_args=setenv expansion
#Classic Board File Boot:
#uenvcmd=run boot_classic; run device_args; bootz 0x80300000
0x81600000:${initrd_size}
#New Device Tree Boot:
uenvcmd=run boot_fdt; run device_args; bootz 0x80300000
0x81600000:${initrd_size} 0x815f0000
