[Buildroot] [PATCH v1 1/1] board/zynqmp: update custom board documentation

* [Buildroot] [PATCH v1 1/1] board/zynqmp: update custom board documentation
@ 2025-06-18 13:36 Neal Frager via buildroot
  2025-07-01 14:49 ` Luca Ceresoli via buildroot
  2025-07-20 11:27 ` Julien Olivain via buildroot
  0 siblings, 2 replies; 3+ messages in thread
From: Neal Frager via buildroot @ 2025-06-18 13:36 UTC (permalink / raw)
  To: buildroot
  Cc: ibai.erkiaga-elorza, luca.ceresoli, Neal Frager, brandon.maier,
	ju.o, thomas.petazzoni, romain.naour, michal.simek, romain.naour

Update the zynqmp readme.txt file to use BR2_TARGET_UBOOT_ZYNQMP_PSU_INIT_FILE
option for configuring custom zynqmp boards with Buildroot.  There is no need
for any custom / manual steps since the support is included with Buildroot.

Signed-off-by: Neal Frager <neal.frager@amd.com>
---
 board/zynqmp/readme.txt | 20 +++++++-------------
 1 file changed, 7 insertions(+), 13 deletions(-)

diff --git a/board/zynqmp/readme.txt b/board/zynqmp/readme.txt
index a98ff78f6f..e76f0f03e0 100644
--- a/board/zynqmp/readme.txt
+++ b/board/zynqmp/readme.txt
@@ -86,25 +86,19 @@ updated for any programmable logic or DDR customizations which impact
 psu_init (clock/pin setup & mapping/AXI bridge setup/etc). See
 board/xilinx/zynqmp/ directory of U-Boot for natively supported psu_init
 files. If the psu_init files for your board are not found in U-Boot,
-you need to add them by yourself.
+you need to add them using BR2_TARGET_UBOOT_ZYNQMP_PSU_INIT_FILE.
 
 1) Start with a defconfig supported by Buildroot (e.g. ZCU106)
     make zynqmp_zcu106_defconfig
 
-2) make uboot-menuconfig
-    Visit the following menu and enable CONFIG_XILINX_PS_INIT_FILE
+2) make menuconfig
+    Visit the following menu to configure BR2_TARGET_UBOOT_ZYNQMP_PSU_INIT_FILE
 
-    ARM architecture  --->
-       [*] Zynq/ZynqMP PS init file(s) location
+    Bootloaders  --->
+       U-Boot  ---> 
+          (<Path to psu_init_gpl.c>) Custom psu_init_gpl file
 
-3) Copy psu_init_gpl.c/h generated by the Xilinx Vivado tools into
-   output/build/uboot-custom/board/xilinx/zynqmp/custom_hw_platform/
-
-4) make
-
-Note: The files in step 3 will need to be re-copied after cleaning the
-output directory and at this time, there is no way to save them as
-part of the buildroot configuration, except as a U-Boot patch.
+3) make
 
 ==============
 Important Note
-- 
2.25.1

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