diff mbox series

arm64: dts: mediatek: mt8195-demo: fix the memory size of node secmon

Message ID 20220922091648.2821-1-macpaul.lin@mediatek.com
State Accepted
Commit e4a4175201014c0222f6bab1895a17b3d1b92f08
Headers show
Series arm64: dts: mediatek: mt8195-demo: fix the memory size of node secmon | expand

Commit Message

Macpaul Lin Sept. 22, 2022, 9:16 a.m. UTC
The size of device tree node secmon (bl31_secmon_reserved) was
incorrect. It should be increased to 2MiB (0x200000).

The origin setting will cause some abnormal behavior due to
trusted-firmware-a and related firmware didn't load correctly.
The incorrect behavior may vary because of different software stacks.
For example, it will cause build error in some Yocto project because
it will check if there was enough memory to load trusted-firmware-a
to the reserved memory.

Cc: stable@vger.kernel.org      # v5.19
Fixes: 6147314aeedc ("arm64: dts: mediatek: Add device-tree for MT8195 Demo board")
Signed-off-by: Macpaul Lin <macpaul.lin@mediatek.com>
---
 arch/arm64/boot/dts/mediatek/mt8195-demo.dts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/mediatek/mt8195-demo.dts b/arch/arm64/boot/dts/mediatek/mt8195-demo.dts
index 4fbd99eb496a..dec85d254838 100644
--- a/arch/arm64/boot/dts/mediatek/mt8195-demo.dts
+++ b/arch/arm64/boot/dts/mediatek/mt8195-demo.dts
@@ -56,10 +56,10 @@ 
 		#size-cells = <2>;
 		ranges;
 
-		/* 192 KiB reserved for ARM Trusted Firmware (BL31) */
+		/* 2 MiB reserved for ARM Trusted Firmware (BL31) */
 		bl31_secmon_reserved: secmon@54600000 {
 			no-map;
-			reg = <0 0x54600000 0x0 0x30000>;
+			reg = <0 0x54600000 0x0 0x200000>;
 		};
 
 		/* 12 MiB reserved for OP-TEE (BL32)