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board/zynq: update custom board documentation

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The readme.txt file for zynq boards has some outdated information for the
custom board section.  The custom ps7_init_gpl.c is now defined by
CONFIG_XILINX_PS_INIT_FILE and Buildroot always puts the Xilinx u-boot builds
in the output/build/uboot-custom directory.

This patch updates the instructions in the readme.txt file accordingly.

Signed-off-by: Neal Frager <neal.frager@amd.com>
Signed-off-by: Julien Olivain <ju.o@free.fr>
This commit is contained in:
Neal Frager
2025-06-17 15:15:33 +01:00
committed by Julien Olivain
parent c1ed04aa0b
commit c6c559aaee
1 changed files with 5 additions and 5 deletions
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10
board/zynq/readme.txt
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@@ -62,7 +62,7 @@ the U-Boot source tree. Without those files, boot.bin will be built
successfully but it will not be functional at all. Those files are
output from the Xilinx tools, but for convenience, U-Boot includes the
default ps7_init_gpl.c/h of popular boards. Those files may need to be
updated for any programmable logic customizations which impact
updated for any programmable logic or DDR customizations which impact
ps7_init (clock/pin setup & mapping/AXI bridge setup/etc). See
board/xilinx/zynq/ directory of U-Boot for natively supported ps7_init
files. If the ps7_init files for your board are not found in U-Boot,
@@ -72,13 +72,13 @@ you need to add them by yourself.
make zynq_zed_defconfig
2) make uboot-menuconfig
Visit the following menu and enable CONFIG_ZYNQ_CUSTOM_INIT.
Visit the following menu and enable CONFIG_XILINX_PS_INIT_FILE
ARM architecture --->
[*] Use custom ps7_init provided by Xilinx tool
[*] Zynq/ZynqMP PS init file(s) location
3) Copy ps7_init_gpl.c/h generated by the Xilinx tools into
output/build/uboot-xilinx-<pkg version>/board/xilinx/zynq/custom_hw_platform/
3) Copy ps7_init_gpl.c/h generated by the Xilinx Vivado tools into
output/build/uboot-custom/board/xilinx/zynq/custom_hw_platform/
4) make