[PATCH v3] configs: am57xx_hs_evm_defconfig: Reserve EMIF memory used by PPA

[Tom Rini]

On Mon, 29 Dec 2025 10:41:13 +0530, Beleswar Padhi wrote:

> The AM571x SoC has 1 GB DDR space. As part of normal re-location process
> U-Boot copies itself to the top of DDR bank. However, on HS devices, the
> top 37 MB is used by PPA and is firewalled. This results in an exception
> and the boot fails. Set CONFIG_SYS_MEM_TOP_HIDE to reserve the top 38 MB
> memory (aligned to 2MB as per page size for ARM32) to fix the boot.
> 
> Note: This limitation does not exist for other AM57x devices, but this
> config is applied in the common defconfig since adding a separate
> defconfig only for AM571x is not justified. Losing 38MB of memory at the
> bootloader stage on other devices is acceptable.
> 
> [...]

Applied to u-boot/master, thanks!

[1/1] configs: am57xx_hs_evm_defconfig: Reserve EMIF memory used by PPA
      commit: 711150fc6fe7a125cc1133841acc802570478007
-- 
Tom