diff options
Diffstat (limited to 'meta-agl-devel/meta-agl-jailhouse/dynamic-layers/raspberrypi/recipes-kernel/linux/linux-raspberrypi/0001-dt-dtoverlays-Add-jailhouse-memory-DT-overlay.patch')
| -rw-r--r-- | meta-agl-devel/meta-agl-jailhouse/dynamic-layers/raspberrypi/recipes-kernel/linux/linux-raspberrypi/0001-dt-dtoverlays-Add-jailhouse-memory-DT-overlay.patch | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/meta-agl-devel/meta-agl-jailhouse/dynamic-layers/raspberrypi/recipes-kernel/linux/linux-raspberrypi/0001-dt-dtoverlays-Add-jailhouse-memory-DT-overlay.patch b/meta-agl-devel/meta-agl-jailhouse/dynamic-layers/raspberrypi/recipes-kernel/linux/linux-raspberrypi/0001-dt-dtoverlays-Add-jailhouse-memory-DT-overlay.patch new file mode 100644 index 00000000..1b6373cc --- /dev/null +++ b/meta-agl-devel/meta-agl-jailhouse/dynamic-layers/raspberrypi/recipes-kernel/linux/linux-raspberrypi/0001-dt-dtoverlays-Add-jailhouse-memory-DT-overlay.patch @@ -0,0 +1,87 @@ +From c6319fb59e0cd5b6d3d4e3401abd9c2057059a74 Mon Sep 17 00:00:00 2001 +From: Jakub Luzny <jakub@luzny.cz> +Date: Tue, 11 Aug 2020 10:40:18 +0200 +Subject: [PATCH] dt/dtoverlays: Add jailhouse-memory DT overlay + +It is meant to reserve memory that can be used by the Jailhouse partitioning +hypervisor. More regions can be reserved. + +Upstream-Status: Inappropriate [Jailhouse specific] + +Signed-off-by: Jakub Luzny <jakub@luzny.cz> +--- + arch/arm/boot/dts/overlays/Makefile | 1 + + arch/arm/boot/dts/overlays/README | 7 +++++ + .../boot/dts/overlays/jailhouse-memory-overlay.dts | 30 ++++++++++++++++++++++ + 3 files changed, 38 insertions(+) + create mode 100644 arch/arm/boot/dts/overlays/jailhouse-memory-overlay.dts + +diff --git a/arch/arm/boot/dts/overlays/Makefile b/arch/arm/boot/dts/overlays/Makefile +index fa6db6eed3e2..38c61c67606d 100644 +--- a/arch/arm/boot/dts/overlays/Makefile ++++ b/arch/arm/boot/dts/overlays/Makefile +@@ -92,6 +92,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \ + iqaudio-dacplus.dtbo \ + iqaudio-digi-wm8804-audio.dtbo \ + irs1125.dtbo \ ++ jailhouse-memory.dtbo \ + jedec-spi-nor.dtbo \ + justboom-both.dtbo \ + justboom-dac.dtbo \ +diff --git a/arch/arm/boot/dts/overlays/README b/arch/arm/boot/dts/overlays/README +index 69892d01faae..4a62f204b4f9 100644 +--- a/arch/arm/boot/dts/overlays/README ++++ b/arch/arm/boot/dts/overlays/README +@@ -1528,6 +1528,13 @@ Load: dtoverlay=irs1125 + Params: <None> + + ++Name: jailhouse-memory ++Info: Reserves memory for use by the Jailhouse hypervisor ++Load: dtoverlay=jailhouse-memory,<param>=<val> ++Params: start Start of the reserved memory area (default 0x20000000) ++ size Size of the reserved memory area (default 0x10000000) ++ ++ + Name: jedec-spi-nor + Info: Adds support for JEDEC-compliant SPI NOR flash devices. (Note: The + "jedec,spi-nor" kernel driver was formerly known as "m25p80".) +diff --git a/arch/arm/boot/dts/overlays/jailhouse-memory-overlay.dts b/arch/arm/boot/dts/overlays/jailhouse-memory-overlay.dts +new file mode 100644 +index 000000000000..26c3ce6b9e3d +--- /dev/null ++++ b/arch/arm/boot/dts/overlays/jailhouse-memory-overlay.dts +@@ -0,0 +1,30 @@ ++// Reserves memory for use by the Jailhouse hypervisor ++/dts-v1/; ++/plugin/; ++ ++/ { ++ compatible = "brcm,bcm2835"; ++ ++ fragment@0 { ++ target-path = "/"; ++ __overlay__ { ++ ++ reserved-memory { ++ #address-cells = <2>; ++ #size-cells = <1>; ++ ++ ranges; ++ ++ jailhouse_memory: jailhouse@20000000 { ++ reg = <0x0 0x20000000 0x10000000>; ++ no-map; ++ }; ++ }; ++ }; ++ }; ++ ++ __overrides__ { ++ start = <&jailhouse_memory>,"reg#0"; ++ size = <&jailhouse_memory>,"reg:8"; ++ }; ++}; +-- +2.11.0 + |