[PATCH AUTOSEL 5.16 12/34] arm64: dts: meson-gx: add ATF BL32 reserved-memory region
From: Sasha Levin <sashal@kernel.org>
Date: 2022-02-15 15:27:56
Also in:
linux-amlogic, linux-devicetree, lkml, stable
Subsystem:
arm/amlogic meson soc support, the rest · Maintainers:
Neil Armstrong, Kevin Hilman, Linus Torvalds
From: Christian Hewitt <redacted> [ 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 <redacted> Signed-off-by: Christian Hewitt <redacted> Reviewed-by: Neil Armstrong <redacted> Reviewed-by: Kevin Hilman <khilman@baylibre.com> Signed-off-by: Neil Armstrong <redacted> Link: https://lore.kernel.org/r/20220126044954.19069-2-christianshewitt@gmail.com (local) Signed-off-by: Sasha Levin <sashal@kernel.org> --- arch/arm64/boot/dts/amlogic/meson-gx.dtsi | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
index 6b457b2c30a4b..aa14ea017a613 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi@@ -49,6 +49,12 @@ secmon_reserved_alt: secmon@5000000 { 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;
--
2.34.1
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