[PATCH v4 0/2] Enable dynamic MMU page table sizing
Michal Simek
michal.simek at amd.com
Fri Dec 19 09:36:04 CET 2025
On 12/12/25 11:26, Pranav Sanwal wrote:
> This patch series fixes a boot sequence issue in AMD Versal Gen 2,
> where DRAM banks are populated too late during MMU initialization.
> The fdtdec-based approach doesn't provide memory information
> early enough.
>
> Changes in v4:
> -Better debug logs alignment.
>
> Changes in v3:
> -Fix DRAM base detection boundary condition (text >= bank_phys)
>
> Changes in v2:
> -Address boundary case where U-Boot is loaded at the
> beginning of a memory region.
> -Export get_next_memory_node() helper from fdtdec for reuse
> -Split previous monolithic patch into two focused patches
> -Add comprehensive documentation for new functions
> -Include proper header dependencies (dm/ofnode_decl.h)
>
> Pranav Sanwal (2):
> fdtdec: Add declaration for get_next_memory_node() helper
> arm64: versal2: Populate DRAM banks before page table size calculation
>
> arch/arm/mach-versal2/cpu.c | 57 ++++++++++++---
> .../arm/mach-versal2/include/mach/sys_proto.h | 4 +-
> board/amd/versal2/board.c | 70 +++++++++++++++----
> include/fdtdec.h | 23 ++++++
> 4 files changed, 130 insertions(+), 24 deletions(-)
>
Applied.
M
More information about the U-Boot
mailing list