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| author | Lorenzo Bianconi <lorenzo@kernel.org> | 2023-03-14 12:04:53 +0100 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2023-03-20 21:28:19 +0100 |
| commit | e314f7be7e9e878d2f6470c9d9e0030cd4f1f700 (patch) | |
| tree | 40403df67eb378b4cc019c4e0533b33573af96d4 /target/linux/mediatek/patches-5.15/945-arm64-dts-mt7986-move-ilm-in-a-dedicated-node.patch | |
| parent | 1d8baafc438d9beff25e04550b1f894aab771bfe (diff) | |
| download | upstream-e314f7be7e9e878d2f6470c9d9e0030cd4f1f700.tar.gz upstream-e314f7be7e9e878d2f6470c9d9e0030cd4f1f700.tar.bz2 upstream-e314f7be7e9e878d2f6470c9d9e0030cd4f1f700.zip | |
mediatek: filogic: move ilm, dlm and cpu_boot in dedicated nodes
This fixes issues with legacy boot loaders that don't process reserved memory
regions outside of system RAM
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'target/linux/mediatek/patches-5.15/945-arm64-dts-mt7986-move-ilm-in-a-dedicated-node.patch')
| -rw-r--r-- | target/linux/mediatek/patches-5.15/945-arm64-dts-mt7986-move-ilm-in-a-dedicated-node.patch | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/target/linux/mediatek/patches-5.15/945-arm64-dts-mt7986-move-ilm-in-a-dedicated-node.patch b/target/linux/mediatek/patches-5.15/945-arm64-dts-mt7986-move-ilm-in-a-dedicated-node.patch new file mode 100644 index 0000000000..b640ed4b22 --- /dev/null +++ b/target/linux/mediatek/patches-5.15/945-arm64-dts-mt7986-move-ilm-in-a-dedicated-node.patch @@ -0,0 +1,83 @@ +From 01561065af5bf1d2a4244896d897e3a1eafbcd46 Mon Sep 17 00:00:00 2001 +Message-Id: <01561065af5bf1d2a4244896d897e3a1eafbcd46.1678717704.git.lorenzo@kernel.org> +From: Lorenzo Bianconi <lorenzo@kernel.org> +Date: Mon, 13 Mar 2023 15:10:56 +0100 +Subject: [PATCH net-next] arm64: dts: mt7986: move ilm in a dedicated node + +Since the ilm memory region is not part of the RAM SoC, move ilm in a +deidicated syscon node. +This patch helps to keep backward-compatibility with older version of +uboot codebase where we have a limit of 8 reserved-memory dts child +nodes. + +Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> +--- + arch/arm64/boot/dts/mediatek/mt7986a.dtsi | 34 +++++++++++------------ + 1 file changed, 16 insertions(+), 18 deletions(-) + +--- a/arch/arm64/boot/dts/mediatek/mt7986a.dtsi ++++ b/arch/arm64/boot/dts/mediatek/mt7986a.dtsi +@@ -97,16 +97,6 @@ + no-map; + }; + +- wo_ilm0: wo-ilm@151e0000 { +- reg = <0 0x151e0000 0 0x8000>; +- no-map; +- }; +- +- wo_ilm1: wo-ilm@151f0000 { +- reg = <0 0x151f0000 0 0x8000>; +- no-map; +- }; +- + wo_data: wo-data@4fd80000 { + reg = <0 0x4fd80000 0 0x240000>; + no-map; +@@ -619,11 +609,10 @@ + reg = <0 0x15010000 0 0x1000>; + interrupt-parent = <&gic>; + interrupts = <GIC_SPI 205 IRQ_TYPE_LEVEL_HIGH>; +- memory-region = <&wo_emi0>, <&wo_ilm0>, <&wo_dlm0>, +- <&wo_data>; +- memory-region-names = "wo-emi", "wo-ilm", "wo-dlm", +- "wo-data"; ++ memory-region = <&wo_emi0>, <&wo_dlm0>, <&wo_data>; ++ memory-region-names = "wo-emi", "wo-dlm", "wo-data"; + mediatek,wo-ccif = <&wo_ccif0>; ++ mediatek,wo-ilm = <&wo_ilm0>; + mediatek,wo-cpuboot = <&wo_cpuboot>; + }; + +@@ -633,11 +622,10 @@ + reg = <0 0x15011000 0 0x1000>; + interrupt-parent = <&gic>; + interrupts = <GIC_SPI 206 IRQ_TYPE_LEVEL_HIGH>; +- memory-region = <&wo_emi1>, <&wo_ilm1>, <&wo_dlm1>, +- <&wo_data>; +- memory-region-names = "wo-emi", "wo-ilm", "wo-dlm", +- "wo-data"; ++ memory-region = <&wo_emi1>, <&wo_dlm1>, <&wo_data>; ++ memory-region-names = "wo-emi", "wo-dlm", "wo-data"; + mediatek,wo-ccif = <&wo_ccif1>; ++ mediatek,wo-ilm = <&wo_ilm1>; + mediatek,wo-cpuboot = <&wo_cpuboot>; + }; + +@@ -655,6 +643,16 @@ + interrupts = <GIC_SPI 212 IRQ_TYPE_LEVEL_HIGH>; + }; + ++ wo_ilm0: syscon@151e0000 { ++ compatible = "mediatek,mt7986-wo-ilm", "syscon"; ++ reg = <0 0x151e0000 0 0x8000>; ++ }; ++ ++ wo_ilm1: syscon@151f0000 { ++ compatible = "mediatek,mt7986-wo-ilm", "syscon"; ++ reg = <0 0x151f0000 0 0x8000>; ++ }; ++ + wo_cpuboot: syscon@15194000 { + compatible = "mediatek,mt7986-wo-cpuboot", "syscon"; + reg = <0 0x15194000 0 0x1000>; |