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

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[ 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>
This commit is contained in:
Christian Hewitt 2022-01-26 04:49:52 +00:00 committed by Greg Kroah-Hartman
parent 1e36ab99ae
commit b90eab91a2
1 changed files with 6 additions and 0 deletions
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6
arch/arm64/boot/dts/amlogic/meson-gx.dtsi
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@ -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;