Commit 5ac5794a authored by Amit Kumar Mahapatra's avatar Amit Kumar Mahapatra Committed by Michal Simek
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arm64: zynqmp: Add mtd partition for secure OS storage area 



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: default avatarAmit Kumar Mahapatra <amit.kumar-mahapatra@xilinx.com>
Signed-off-by: default avatarMichal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/20dd23821118999c6fec2bad52ea446d1a66fefb.1683034376.git.michal.simek@amd.com
parent 637902f7

arch/arm64/boot/dts/xilinx/zynqmp-sm-k26-revA.dts

+8 −4
Original line number Diff line number Diff line
@@ -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 */

		};

	};

};