Re: [Buildroot] [PATCH v1 1/1] configs/zynqmp_zcu106_defconfig: move to board rev1.0

[Brandon Maier via buildroot <buildroot@buildroot.org>]

On Fri Aug 9, 2024 at 3:55 PM UTC, Neal Frager via buildroot wrote:
> Migrate the zynqmp_zcu106_defconfig to rev1.0 ddr memory, since all new boards
> will be using the rev1.0 ddr memory.
>
> This patch also adds documentation in the board/zynqmp/readme.txt explaining
> the issue related to the change in ddr memory.  Should users not see anything
> printing from the board during boot, the most likely issue is that the board
> has the original ddr memory and the u-boot device tree needs to be configured
> accordingly to revA.
>
> Original DDR Memory:
> BR2_TARGET_UBOOT_CUSTOM_MAKEOPTS="DEVICE_TREE=zynqmp-zcu106-revA"
>
> More information regarding this issue can be found here:
> https://support.xilinx.com/s/article/71961?language=en_US
>
> Signed-off-by: Neal Frager <neal.frager@amd.com>

Reviewed-by: Brandon Maier <brandon.maier@collins.com>

> ---
>  board/zynqmp/readme.txt         | 26 ++++++++++++++++++++++++++
>  configs/zynqmp_zcu106_defconfig |  2 +-
>  2 files changed, 27 insertions(+), 1 deletion(-)
>
> diff --git a/board/zynqmp/readme.txt b/board/zynqmp/readme.txt
> index 3a8a9b03ac..3f1b3a80c2 100644
> --- a/board/zynqmp/readme.txt
> +++ b/board/zynqmp/readme.txt
> @@ -64,3 +64,29 @@ card:
>  Where 'sdX' is the device node of the SD.
>  
>  Eject the SD card, insert it in the board, and power it up.
> +
> +==============
> +Important Note
> +==============
> +
> +The DDR memory on the original ZCU102 and ZCU106 boards is EOL.
> +The Buildroot defconfigs for these boards use the new DDR memory
> +which is configured by the u-boot spl initialization with the
> +Buildroot config options below.
> +
> +New DDR Memories:
> +BR2_TARGET_UBOOT_CUSTOM_MAKEOPTS="DEVICE_TREE=zynqmp-zcu102-rev1.0"
> +BR2_TARGET_UBOOT_CUSTOM_MAKEOPTS="DEVICE_TREE=zynqmp-zcu106-rev1.0"
> +
> +If nothing is printing upon boot, most likely it is because the
> +board has the original DDR memories.  To fix the problem, modify
> +the Buildroot defconfig file to use the u-boot spl initialization
> +for the original DDR memory using the config below for the target
> +board.
> +
> +Original DDR Memories:
> +BR2_TARGET_UBOOT_CUSTOM_MAKEOPTS="DEVICE_TREE=zynqmp-zcu102-revA"
> +BR2_TARGET_UBOOT_CUSTOM_MAKEOPTS="DEVICE_TREE=zynqmp-zcu106-revA"
> +
> +For more information on this issue:
> +https://support.xilinx.com/s/article/71961?language=en_US
> diff --git a/configs/zynqmp_zcu106_defconfig b/configs/zynqmp_zcu106_defconfig
> index c10ec70ed8..970ed40d2c 100644
> --- a/configs/zynqmp_zcu106_defconfig
> +++ b/configs/zynqmp_zcu106_defconfig
> @@ -23,7 +23,7 @@ BR2_TARGET_UBOOT_BUILD_SYSTEM_KCONFIG=y
>  BR2_TARGET_UBOOT_CUSTOM_TARBALL=y
>  BR2_TARGET_UBOOT_CUSTOM_TARBALL_LOCATION="$(call github,Xilinx,u-boot-xlnx,xlnx_rebase_v2024.01_2024.1)/xlnx_rebase_v2024.01_2024.1.tar.gz"
>  BR2_TARGET_UBOOT_BOARD_DEFCONFIG="xilinx_zynqmp_virt"
> -BR2_TARGET_UBOOT_CUSTOM_MAKEOPTS="DEVICE_TREE=zynqmp-zcu106-revA"
> +BR2_TARGET_UBOOT_CUSTOM_MAKEOPTS="DEVICE_TREE=zynqmp-zcu106-rev1.0"
>  BR2_TARGET_UBOOT_NEEDS_DTC=y
>  BR2_TARGET_UBOOT_NEEDS_OPENSSL=y
>  BR2_TARGET_UBOOT_NEEDS_GNUTLS=y

_______________________________________________
buildroot mailing list
buildroot@buildroot.org
https://lists.buildroot.org/mailman/listinfo/buildroot