[PATCH v2 0/4] DT related fixes for RISC-V UEFI

Atish Patra atishp at atishpatra.org
Sat Mar 14 01:53:08 CET 2020


On Fri, Mar 13, 2020 at 5:11 PM Atish Patra <atish.patra at wdc.com> wrote:
>
> This series adds few DT related fixes required for Linux EFI stub to work
> on RISC-V.
>
> Patch 1 adds the boot hartid property under /chosen node. The related
> discussion can be found here.
>
> https://patchwork.ozlabs.org/patch/1233664/
> https://lists.denx.de/pipermail/u-boot/2020-March/402085.html
>
> Patch 2 fixes a generic issue in bootefi.
>
> Patch 3 & 4 provide one of the option to update reserved-memory node for Linux.
> It depends on Bin's following series in OpenSBI
> http://lists.infradead.org/pipermail/opensbi/2020-March/001316.html
>
> The other options are SBI extension and trap/emulate on PMP csr access.
> The detaild discussion can be found here.
> https://github.com/riscv/riscv-sbi-doc/pull/37
>
> Patch 1 & 2 can be applied indepedently from 3 and 4. I want to keep all
> the patches together to provide a holistic view of changes required for
> RISC-V UEFI.
>
> Changes from v1->v2:
> 1. Fix the issue if chosen node is not present.
>
> Changes from previous version:
> 1. Renamed the DT node property to "boot-hartid" from "efi-boot-hartid".
> 2. Changed the property type to u32 instead of u64 for RV32 compatibility.
>
> Atish Patra (4):
> riscv: Add boot hartid to Device tree
> cmd: bootefi: Parse reserved-memory node from DT
> riscv: Provide a mechanism for riscv boards to parse reserved memory
> riscv: Setup reserved-memory node for FU540
>
> arch/riscv/cpu/start.S                |  1 +
> arch/riscv/include/asm/global_data.h  |  1 +
> arch/riscv/include/asm/u-boot-riscv.h |  1 +
> arch/riscv/lib/asm-offsets.c          |  1 +
> arch/riscv/lib/bootm.c                | 59 +++++++++++++++++++++++++++
> board/sifive/fu540/fu540.c            | 15 +++++++
> cmd/bootefi.c                         | 42 +++++++++++++++----
> configs/sifive_fu540_defconfig        |  1 +
> 8 files changed, 112 insertions(+), 9 deletions(-)
>
> --
> 2.25.1
>

Fixed palmer's email address. Sorry for the spam.
-- 
Regards,
Atish


More information about the U-Boot mailing list