From 5ac5794afb3699047a4f58f20627df5ac7ba594c Mon Sep 17 00:00:00 2001 From: Amit Kumar Mahapatra Date: Tue, 2 May 2023 15:35:40 +0200 Subject: [PATCH] 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: Amit Kumar Mahapatra Signed-off-by: Michal Simek Link: https://lore.kernel.org/r/20dd23821118999c6fec2bad52ea446d1a66fefb.1683034376.git.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 d8b2c30caf2c9..9778d5655a5a4 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 @@ &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@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 */ }; }; }; -- 2.30.2