Re: [PATCH 12/23] arm64: zynqmp: Add mtd partition for secure OS storage area

Michal Simek
2023-05-16T11:10:31Z

On 5/2/23 15:35, Michal Simek wrote:
> From: Amit Kumar Mahapatra <amit.kumar-mahapatra@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@xilinx.com>
> Signed-off-by: Michal Simek <michal.simek@amd.com>
> ---
>
> arch/arm64/boot/dts/xilinx/zynqmp-sm-k26-revA.dts | 12 ++++++++----
> 1 file changed, 8 insertions(+), 4 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-sm-k26-revA.dts b/arch/arm64/boot/dts/xilinx/zynqmp-sm-k26-revA.dts
> index d3c6a9feb114..5fbc2fbd2638 100644
> --- a/arch/arm64/boot/dts/xilinx/zynqmp-sm-k26-revA.dts
> +++ b/arch/arm64/boot/dts/xilinx/zynqmp-sm-k26-revA.dts
> @@ -83,7 +83,7 @@ &uart1 { /* MIO36/MIO37 */
>
> &qspi { /* MIO 0-5 - U143 */
> status = "okay";
> - flash@0 { /* MT25QU512A */
> + spi_flash: flash@0 { /* MT25QU512A */
> compatible = "mt25qu512a", "jedec,spi-nor"; /* 64MB */
> #address-cells = <1>;
> #size-cells = <1>;
> @@ -161,13 +161,17 @@ partition@2220000 {
> };
> partition@2240000 {
> label = "SHA256";
> - reg = <0x2240000 0x10000>; /* 256B but 64KB sector */
> + reg = <0x2240000 0x40000>; /* 256B but 256KB sector */
> read-only;
> lock;
> };
> - partition@2250000 {
> + partition@2280000 {
> + label = "Secure OS Storage";
> + reg = <0x2280000 0x20000>; /* 128KB */
> + };
> + partition@22A0000 {
> label = "User";
> - reg = <0x2250000 0x1db0000>; /* 29.5 MB */
> + reg = <0x22A0000 0x1d60000>; /* 29.375 MB */
> };
> };
> };

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/Versal ARM64 SoCs
U-Boot custodian - Xilinx Microblaze/Zynq/ZynqMP/Versal/Versal NET SoCs
TF-A maintainer - Xilinx ZynqMP/Versal/Versal NET SoCs