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Add a recipe to generate uEnv.txt environments for SD boot of Zynq
targets. This replaces the existing uEnv.txt for zc702/zedboard that
were manually created and populated only for u-boot-xlnx builds.
The generated uEnv.txt files also support auto loading of the fpga
bitstream before the kernel.
Also enable the use of this recipe for all *-zynq7 machines that use
U-Boot and have SD/eMMC available. And additionally setup
IMAGE_BOOT_FILES for these machines.
Signed-off-by: Nathan Rossi <nathan@nathanrossi.com>
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Use FORCE_PLATFORM_INIT, setting it to "1" to force U-Boot to use the
platform-init from a virtual/xilinx-platform-init provider.
Signed-off-by: Nathan Rossi <nathan@nathanrossi.com>
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Remove the use of MACHINE_DEVICETREE for providing sources to
device-tree, instead provide the device tree sources as SRC_URI entires.
Whilst this was already being done automatically by the
MACHINE_DEVICETREE logic it also created a non-standard way of providing
the device tree sources to the recipe.
The setup of SRC_URI is done via the use of a device-tree.bbappend
instead of directly in the device-tree.bb recipe itself. This is for two
reason, separation of the source from the build logic as well as to
provide an example for how a user can extend the device-tree recipe to
provide custom device tree sources in their layer.
This change also moves the paths to the sources around, this is to align
the names of the directories to match the OVERRIDES so that when
expanding the file paths it will search the subdirs based on the
OVERRIDES or machine names.
Signed-off-by: Nathan Rossi <nathan@nathanrossi.com>
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Override the platform init provided in U-Boot sources for the 'zybo'
board.
Signed-off-by: Nathan Rossi <nathan@nathanrossi.com>
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The zybo-linux-bd-zynq7 machine relies on drivers from the linux-xlnx
kernel, default the machine to use the linux-xlnx kernel.
The machine also relies on functionality and patching of the mainline
u-boot (as opposed to u-boot-xlnx). Default to the mainline u-boot.
Signed-off-by: Nathan Rossi <nathan@nathanrossi.com>
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Enable DRM, SND, KP-GPIO and V4L2 kconfigs
Signed-off-by: Jason Wu <jason.wu.misc@gmail.com>
Signed-off-by: Nathan Rossi <nathan@nathanrossi.com>
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* base on Zybo linux_bd reference design
* Add device tree with required nodes
* hdf is fetch from Digilent github
Signed-off-by: Jason Wu <jason.wu.misc@gmail.com>
Signed-off-by: Nathan Rossi <nathan@nathanrossi.com>
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