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Message-Id: <20220215152831.580780-13-sashal@kernel.org>
Date: Tue, 15 Feb 2022 10:28:11 -0500
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc: Christian Hewitt <christianshewitt@...il.com>,
Neil Armstrong <narmstrong@...libre.com>,
Kevin Hilman <khilman@...libre.com>,
Sasha Levin <sashal@...nel.org>, robh+dt@...nel.org,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-amlogic@...ts.infradead.org
Subject: [PATCH AUTOSEL 5.15 13/33] arm64: dts: meson-g12: add ATF BL32 reserved-memory region
From: Christian Hewitt <christianshewitt@...il.com>
[ 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@...il.com>
Reviewed-by: Neil Armstrong <narmstrong@...libre.com>
Reviewed-by: Kevin Hilman <khilman@...libre.com>
Signed-off-by: Neil Armstrong <narmstrong@...libre.com>
Link: https://lore.kernel.org/r/20220126044954.19069-3-christianshewitt@gmail.com
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
index 428449d98c0ae..a3a1ea0f21340 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 @@ secmon_reserved: secmon@...0000 {
no-map;
};
+ /* 32 MiB reserved for ARM Trusted Firmware (BL32) */
+ secmon_reserved_bl32: secmon@...0000 {
+ reg = <0x0 0x05300000 0x0 0x2000000>;
+ no-map;
+ };
+
linux,cma {
compatible = "shared-dma-pool";
reusable;
--
2.34.1
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