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authorChristian Hewitt <christianshewitt@gmail.com>2022-01-26 04:49:53 +0000
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-02-23 12:06:06 +0100
commit53c83d711dd79edc5403ae36bcb2b33815c9fb33 (patch)
treee99428880640b2e5f457b5ce807a953c8a4431e5
parentaf1365e8b41f5475f5905ffe8dfdbd2407fb1116 (diff)
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arm64: dts: meson-g12: add ATF BL32 reserved-memory region
[ Upstream commit 08982a1b3aa2611c9c711d24825c9002d28536f4 ] Add an additional reserved memory region for the BL32 trusted firmware present in many devices that boot from Amlogic vendor u-boot. 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/20220126044954.19069-3-christianshewitt@gmail.com Signed-off-by: Sasha Levin <sashal@kernel.org>
-rw-r--r--arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
index 428449d98c0a..a3a1ea0f2134 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
@@ -107,6 +107,12 @@
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;