forked from Openwrt-EcoNet/openwrt
f9206d1111
Replace downstream files by patches, either backports of those which have already applied or pending patches tracked on patchwork. This is done to make future maintainance more easy. Signed-off-by: Daniel Golle <daniel@makrotopia.org>
38 lines
1.2 KiB
Diff
38 lines
1.2 KiB
Diff
From b3bb498ff23f5bcaa95614e0f8c9176690af8acb Mon Sep 17 00:00:00 2001
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From: Frank Wunderlich <frank-w@public-files.de>
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Date: Tue, 17 Dec 2024 10:12:15 +0100
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Subject: [PATCH 04/32] arm64: dts: mediatek: mt7988: Add reserved memory
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Add memory range handled by ATF to not be touched by linux kernel.
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ATF is SoC specific and not board-specific so add it to mt7988.dtsi.
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Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
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Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
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Link: https://lore.kernel.org/r/20241217091238.16032-2-linux@fw-web.de
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Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
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---
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arch/arm64/boot/dts/mediatek/mt7988a.dtsi | 12 ++++++++++++
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1 file changed, 12 insertions(+)
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--- a/arch/arm64/boot/dts/mediatek/mt7988a.dtsi
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+++ b/arch/arm64/boot/dts/mediatek/mt7988a.dtsi
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@@ -62,6 +62,18 @@
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method = "smc";
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};
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+ reserved-memory {
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+ #address-cells = <2>;
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+ #size-cells = <2>;
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+ ranges;
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+
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+ /* 320 KiB reserved for ARM Trusted Firmware (BL31 and BL32) */
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+ secmon@43000000 {
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+ reg = <0 0x43000000 0 0x50000>;
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+ no-map;
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+ };
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+ };
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+
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soc {
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compatible = "simple-bus";
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ranges;
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