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authorChristian Hewitt <christianshewitt@gmail.com>2022-01-26 07:49:52 +0300
committerNeil Armstrong <narmstrong@baylibre.com>2022-02-04 11:14:45 +0300
commit76577c9137456febb05b0e17d244113196a98968 (patch)
treed3aa4d70ce09d195f74fa3d788ac8781f14c1978 /arch/arm64
parenta5be3e5d46f373fe1d2ee835c7ede31769c241cd (diff)
downloadlinux-76577c9137456febb05b0e17d244113196a98968.tar.xz
arm64: dts: meson-gx: add ATF BL32 reserved-memory region
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
Diffstat (limited to 'arch/arm64')
-rw-r--r--arch/arm64/boot/dts/amlogic/meson-gx.dtsi6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
index 6b457b2c30a4..aa14ea017a61 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
@@ -49,6 +49,12 @@
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;