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

Message ID 20dd23821118999c6fec2bad52ea446d1a66fefb.1683034376.git.michal.simek@amd.com
State New
Headers
Series arm64: zynqmp: Misc zynqmp changes |

Commit Message

Michal Simek May 2, 2023, 1:35 p.m. UTC 
  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(-)

Comments

Michal Simek May 16, 2023, 11:07 a.m. UTC | #1 
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
diff mbox series

Patch

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 */
 		};
 	};
 };