[PATCH 1/2] Makefile: Add environment variable DEVICE_TREE to header
trini at konsulko.com
Mon Feb 24 14:56:34 CET 2020
On Tue, Feb 18, 2020 at 05:02:36PM +0100, Michal Simek wrote:
> Users have option to overwrite default device tree
> (CONFIG_DEFAULT_DEVICE_TREE) via environment variable DEVICE_TREE.
> Feature has been added long time ago by commit 74de8c9a1672
> ("dts/Makefile: Build the user specified dts") for a little bit different
> But this variable can be also used for different purpose like choosing
> proper configuration from FIT image in SPL.
> And this is the functionality I would like to use on Xilinx Zynq devices
> that current u-boot.img can be composed in the same way based on OF_LIST
> and different configuration is taken based on platform specific SPL.
> SPL requires low level ps7_init_gpl configuration that's why different
> boards require different SPL with fixed board_fit_config_name_match().
> Signed-off-by: Michal Simek <michal.simek at xilinx.com>
Reviewed-by: Tom Rini <trini at konsulko.com>
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