forked from Openwrt/openwrt
2958eeea3b
The latest Mediatek open-source Trusted Firmware-A project has reserved 256 KiB for BL2 and BL31. Link: https://lore.kernel.org/all/OSBPR01MB16701BDF64C43EF07390C830BC29A@OSBPR01MB1670.jpnprd01.prod.outlook.com/ Signed-off-by: Shiji Yang <yangshiji66@outlook.com> Link: https://github.com/openwrt/openwrt/pull/19741 Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
30 lines
994 B
Diff
30 lines
994 B
Diff
From 236317dd4e55512933dcdaec3d0b4a0824f5e5bd Mon Sep 17 00:00:00 2001
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From: Shiji Yang <yangshiji66@outlook.com>
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Date: Sun, 10 Aug 2025 18:11:01 +0800
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Subject: [PATCH] arm64: dts: mediatek: mt7986: increase ATF reserved memory to
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256 kiB
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The latest Mediatek open-source Trusted Firmware-A project has
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reserved 256 KiB for BL2 and BL31. It is better to increase the
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reserved memory region in the Linux kernel to protect the data.
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Signed-off-by: Shiji Yang <yangshiji66@outlook.com>
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---
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arch/arm64/boot/dts/mediatek/mt7986a.dtsi | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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--- a/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
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+++ b/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
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@@ -76,9 +76,9 @@
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record-size = <0x1000>;
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};
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- /* 192 KiB reserved for ARM Trusted Firmware (BL31) */
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+ /* 256 KiB reserved for ARM Trusted Firmware (BL31 + BL32) */
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secmon_reserved: secmon@43000000 {
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- reg = <0 0x43000000 0 0x30000>;
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+ reg = <0 0x43000000 0 0x40000>;
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no-map;
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};
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