[PATCH] arm64: zynqmp: Add mtd partition for secure OS storage area

Michal Simek monstr at monstr.eu
Wed Aug 31 10:07:14 CEST 2022


út 23. 8. 2022 v 10:18 odesílatel Michal Simek <michal.simek at amd.com> napsal:
>
> From: Amit Kumar Mahapatra <amit.kumar-mahapatra at xilinx.com>
>
> Update MTD partitions of Kria device trees to allocate 128KB of QSPI
> memory for secure OS. Increased "SHA256" partition size & changed
> starting address of "User" partition to accommodate the new partition
> "Secure OS Storage"
>
> Signed-off-by: Amit Kumar Mahapatra <amit.kumar-mahapatra at xilinx.com>
> Signed-off-by: Michal Simek <michal.simek at amd.com>
> ---
>
>  arch/arm/dts/zynqmp-sm-k26-revA.dts | 10 +++++++---
>  1 file changed, 7 insertions(+), 3 deletions(-)
>
> diff --git a/arch/arm/dts/zynqmp-sm-k26-revA.dts b/arch/arm/dts/zynqmp-sm-k26-revA.dts
> index ac349a9dcc5d..bae24aabdbd1 100644
> --- a/arch/arm/dts/zynqmp-sm-k26-revA.dts
> +++ b/arch/arm/dts/zynqmp-sm-k26-revA.dts
> @@ -214,13 +214,17 @@
>                         };
>                         partition at 2240000 {
>                                 label = "SHA256";
> -                               reg = <0x2240000 0x10000>; /* 256B but 64KB sector */
> +                               reg = <0x2240000 0x40000>; /* 256B but 256KB sector */
>                                 read-only;
>                                 lock;
>                         };
> -                       partition at 2250000 {
> +                       partition at 2280000 {
> +                               label = "Secure OS Storage";
> +                               reg = <0x2280000 0x20000>; /* 128KB */
> +                       };
> +                       partition at 22A0000 {
>                                 label = "User";
> -                               reg = <0x2250000 0x1db0000>; /* 29.5 MB */
> +                               reg = <0x22A0000 0x1db0000>; /* 29.5 MB */
>                         };
>                 };
>         };
> --
> 2.36.1
>

Applied.
M

-- 
Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel - Xilinx Microblaze
Maintainer of Linux kernel - Xilinx Zynq ARM and ZynqMP ARM64 SoCs
U-Boot custodian - Xilinx Microblaze/Zynq/ZynqMP/Versal SoCs


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