Commit b90eab91 authored Jan 26, 2022 by Christian Hewitt Committed by Greg Kroah-Hartman Feb 23, 2022

arm64: dts: meson-gx: add ATF BL32 reserved-memory region



[ Upstream commit 76577c9137456febb05b0e17d244113196a98968 ]

Add an additional reserved memory region for the BL32 trusted firmware
present in many devices that boot from Amlogic vendor u-boot.

Suggested-by: Mateusz Krzak <kszaquitto@gmail.com>
Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://lore.kernel.org/r/20220126044954.19069-2-christianshewitt@gmail.com


Signed-off-by: Sasha Levin <sashal@kernel.org>

parent 1e36ab99

arch/arm64/boot/dts/amlogic/meson-gx.dtsi

+6 −0

Original line number	Diff line number	Diff line
		@@ -41,6 +41,12 @@
		no-map;
		};

		/* 32 MiB reserved for ARM Trusted Firmware (BL32) */
		secmon_reserved_bl32: secmon@5300000 {
		reg = <0x0 0x05300000 0x0 0x2000000>;
		no-map;
		};

		linux,cma {
		compatible = "shared-dma-pool";
		reusable;