On 10/6/22 2:04 PM, Philip Balister wrote:
OK, so there is a check in device-tree.bb checking if CONFIG_DTFILE
exists. So this fails with the bbappend you suggest since the file
doesn;t exist when the check runs.
Define your own validation routine in your bbappend.
def check_devicetree_variables(d):
return
Just remember if you do that, you need to provide the device tree since we're no
longer checking.
Also with Sandeeps' response.. now that the rel-v2022.2 branch is posted. I
THINK that the zedboard (if you ALSO include meta-xilinx-tools) will generate
the device-tree via XSCT.
--Mark
Philip
On 10/6/22 12:20, Philip Balister wrote:
And make this zc702 ... since meta-xilinx doesn't have anything for the
zed board.
Philip
On 10/6/22 11:31, Philip Balister wrote:
On 10/4/22 21:24, Mark Hatle wrote:
On 10/4/22 8:08 PM, Mark Hatle wrote:
On 10/4/22 4:02 PM, Philip Balister wrote:
ANy tips on clearing this message?
device-tree was skipped: CONFIG_DTFILE or SYSTEM_DTFILE is not
defined.
What does meta-xilinx expect in these variable?
You need a device tree in order to build. If you aren't going to use
meta-xilinx-tools (which uses xsct and an xsa file) to generate it,
then you
need your own file.
Put the path to the device tree in either variable.
CONFIG_DTFILE is the device tree file for the configuration (in a
multiconfig)
SYSTEM_DTFILE is the device tree file for the whole system (in a
multiconfig)
If you aren't using multiconfig, then either variable works.
There is a good chance that there is a zynq-zed.dts/dtb file located
in the
kernel source, u-boot source or similar. You need to find it,
extract it and
tell the system to use it.
Forgot to add, some boards can also define the device-tree
themselves. The meta-som (kria) board does just this.
Unfortunately the code hasn't been published yet to github.. but
essentially the bbappend looks something like:
device-tree.bbappend:
SRC_URI:append:<machine> = "
git://github.com/Xilinx/u-boot-xlnx.git;protocol=https;branch=xlnx_rebase_v2022.01;destsuffix=u-boot-xlnx;name=uboot"
SRCREV_uboot = "...."
CONFIG_DTFILE = "zynqmp-sck-kr-g-revA.dts"
do_configure:append:<machine>() {
cp ${WORKDIR}/u-boot-xlnx/arch/arm/dts/${dts} ${DT_FILES_PATH}
}
If the DTS/DTB is available in a repository (or as a download) do
something similar.
Thanks Mark, I am going to try this with a zedboard. Hopefully the in
tree device tree for this board is good.
Philip
Philip
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