[PATCH AUTOSEL 5.16 12/34] arm64: dts: meson-gx: add ATF BL32 reserved-memory region
Sasha Levin
sashal at kernel.org
Tue Feb 15 07:26:35 PST 2022
From: Christian Hewitt <christianshewitt at gmail.com>
[ 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 at gmail.com>
Signed-off-by: Christian Hewitt <christianshewitt at gmail.com>
Reviewed-by: Neil Armstrong <narmstrong at baylibre.com>
Reviewed-by: Kevin Hilman <khilman at baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong at baylibre.com>
Link: https://lore.kernel.org/r/20220126044954.19069-2-christianshewitt@gmail.com
Signed-off-by: Sasha Levin <sashal at 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 at 5000000 {
no-map;
};
+ /* 32 MiB reserved for ARM Trusted Firmware (BL32) */
+ secmon_reserved_bl32: secmon at 5300000 {
+ reg = <0x0 0x05300000 0x0 0x2000000>;
+ no-map;
+ };
+
linux,cma {
compatible = "shared-dma-pool";
reusable;
--
2.34.1
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