From cb3f4e8cacfa7b32ed8b9dff1282c0d4aaf42e88 Mon Sep 17 00:00:00 2001 From: Kelvin Zhang Date: Fri, 7 Apr 2023 18:27:04 +0800 Subject: [PATCH 1/3] dt-bindings: arm: amlogic: add C3 bindings Document the new C3 SoC/board device tree bindings. C3 is an advanced edge AI processor designed for smart IP camera applications, which does not belong to Meson series. Therefore, modify the title field accordingly. Signed-off-by: Kelvin Zhang Acked-by: Krzysztof Kozlowski Link: https://lore.kernel.org/r/20230407102704.1055152-1-kelvin.zhang@amlogic.com Signed-off-by: Neil Armstrong --- Documentation/devicetree/bindings/arm/amlogic.yaml | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/arm/amlogic.yaml b/Documentation/devicetree/bindings/arm/amlogic.yaml index 274ee0890312..08d59842655c 100644 --- a/Documentation/devicetree/bindings/arm/amlogic.yaml +++ b/Documentation/devicetree/bindings/arm/amlogic.yaml @@ -4,7 +4,7 @@ $id: http://devicetree.org/schemas/arm/amlogic.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# -title: Amlogic MesonX +title: Amlogic SoC based Platforms maintainers: - Kevin Hilman @@ -205,6 +205,13 @@ properties: - amlogic,ad401 - const: amlogic,a1 + - description: Boards with the Amlogic C3 C302X/C308L SoC + items: + - enum: + - amlogic,aw409 + - amlogic,aw419 + - const: amlogic,c3 + - description: Boards with the Amlogic Meson S4 S805X2 SoC items: - enum: From c2258a94fae556797085b58c0b6839c41826bd3d Mon Sep 17 00:00:00 2001 From: Krzysztof Kozlowski Date: Sat, 22 Apr 2023 00:32:10 +0200 Subject: [PATCH 2/3] arm64: dts: amlogic: add missing cache properties As all level 2 and level 3 caches are unified, add required cache-unified properties to fix warnings like: meson-a1-ad401.dtb: l2-cache0: 'cache-unified' is a required property Signed-off-by: Krzysztof Kozlowski Reviewed-by: Martin Blumenstingl Link: https://lore.kernel.org/r/20230421223211.115612-1-krzysztof.kozlowski@linaro.org Signed-off-by: Neil Armstrong --- arch/arm64/boot/dts/amlogic/meson-a1.dtsi | 1 + arch/arm64/boot/dts/amlogic/meson-axg.dtsi | 1 + arch/arm64/boot/dts/amlogic/meson-g12a.dtsi | 1 + arch/arm64/boot/dts/amlogic/meson-g12b.dtsi | 1 + arch/arm64/boot/dts/amlogic/meson-gx.dtsi | 1 + arch/arm64/boot/dts/amlogic/meson-sm1.dtsi | 1 + 6 files changed, 6 insertions(+) diff --git a/arch/arm64/boot/dts/amlogic/meson-a1.dtsi b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi index eed96f262844..c8f344596285 100644 --- a/arch/arm64/boot/dts/amlogic/meson-a1.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi @@ -37,6 +37,7 @@ cpu1: cpu@1 { l2: l2-cache0 { compatible = "cache"; cache-level = <2>; + cache-unified; }; }; diff --git a/arch/arm64/boot/dts/amlogic/meson-axg.dtsi b/arch/arm64/boot/dts/amlogic/meson-axg.dtsi index b984950591e2..768d0ed78dbe 100644 --- a/arch/arm64/boot/dts/amlogic/meson-axg.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-axg.dtsi @@ -106,6 +106,7 @@ cpu3: cpu@3 { l2: l2-cache0 { compatible = "cache"; cache-level = <2>; + cache-unified; }; }; diff --git a/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi index f58fd2a6fe61..543e70669df5 100644 --- a/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi @@ -51,6 +51,7 @@ cpu3: cpu@3 { l2: l2-cache0 { compatible = "cache"; cache-level = <2>; + cache-unified; }; }; diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12b.dtsi index 431572b384db..86e6ceb31d5e 100644 --- a/arch/arm64/boot/dts/amlogic/meson-g12b.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-g12b.dtsi @@ -106,6 +106,7 @@ cpu103: cpu@103 { l2: l2-cache0 { compatible = "cache"; cache-level = <2>; + cache-unified; }; }; }; diff --git a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi index 11f89bfecb56..2673f0dbafe7 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi @@ -133,6 +133,7 @@ cpu3: cpu@3 { l2: l2-cache0 { compatible = "cache"; cache-level = <2>; + cache-unified; }; }; diff --git a/arch/arm64/boot/dts/amlogic/meson-sm1.dtsi b/arch/arm64/boot/dts/amlogic/meson-sm1.dtsi index 617d322af0df..643f94d9d08e 100644 --- a/arch/arm64/boot/dts/amlogic/meson-sm1.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-sm1.dtsi @@ -89,6 +89,7 @@ cpu3: cpu@3 { l2: l2-cache0 { compatible = "cache"; cache-level = <2>; + cache-unified; }; }; From 02310be6f080071e1b9e2021fd6dd655bd842aad Mon Sep 17 00:00:00 2001 From: Xianwei Zhao Date: Mon, 15 May 2023 17:32:37 +0800 Subject: [PATCH 3/3] arm64: dts: add support for C3 based Amlogic AW409 Amlogic C3 is an advanced edge AI processor designed for smart IP camera applications. Add basic support for the C3 based Amlogic AW409 board, which describes the following components: CPU, GIC, IRQ, Timer, UART. It's capable of booting up into the serial console. Signed-off-by: Xianwei Zhao Link: https://lore.kernel.org/r/20230515093237.2203171-1-xianwei.zhao@amlogic.com Signed-off-by: Neil Armstrong --- arch/arm64/boot/dts/amlogic/Makefile | 1 + .../dts/amlogic/amlogic-c3-c302x-aw409.dts | 29 +++++++ arch/arm64/boot/dts/amlogic/amlogic-c3.dtsi | 87 +++++++++++++++++++ 3 files changed, 117 insertions(+) create mode 100644 arch/arm64/boot/dts/amlogic/amlogic-c3-c302x-aw409.dts create mode 100644 arch/arm64/boot/dts/amlogic/amlogic-c3.dtsi diff --git a/arch/arm64/boot/dts/amlogic/Makefile b/arch/arm64/boot/dts/amlogic/Makefile index cd1c5b04890a..6f61798a109f 100644 --- a/arch/arm64/boot/dts/amlogic/Makefile +++ b/arch/arm64/boot/dts/amlogic/Makefile @@ -1,4 +1,5 @@ # SPDX-License-Identifier: GPL-2.0 +dtb-$(CONFIG_ARCH_MESON) += amlogic-c3-c302x-aw409.dtb dtb-$(CONFIG_ARCH_MESON) += meson-a1-ad401.dtb dtb-$(CONFIG_ARCH_MESON) += meson-axg-jethome-jethub-j100.dtb dtb-$(CONFIG_ARCH_MESON) += meson-axg-jethome-jethub-j110-rev-2.dtb diff --git a/arch/arm64/boot/dts/amlogic/amlogic-c3-c302x-aw409.dts b/arch/arm64/boot/dts/amlogic/amlogic-c3-c302x-aw409.dts new file mode 100644 index 000000000000..edce8850b338 --- /dev/null +++ b/arch/arm64/boot/dts/amlogic/amlogic-c3-c302x-aw409.dts @@ -0,0 +1,29 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2021 Amlogic, Inc. All rights reserved. + */ + +/dts-v1/; + +#include "amlogic-c3.dtsi" + +/ { + model = "Amlogic C302 aw409 Development Board"; + compatible = "amlogic,aw409", "amlogic,c3"; + interrupt-parent = <&gic>; + #address-cells = <2>; + #size-cells = <2>; + + aliases { + serial0 = &uart_b; + }; + + memory@0 { + device_type = "memory"; + reg = <0x0 0x0 0x0 0x10000000>; + }; +}; + +&uart_b { + status = "okay"; +}; diff --git a/arch/arm64/boot/dts/amlogic/amlogic-c3.dtsi b/arch/arm64/boot/dts/amlogic/amlogic-c3.dtsi new file mode 100644 index 000000000000..60ad4f3eef9d --- /dev/null +++ b/arch/arm64/boot/dts/amlogic/amlogic-c3.dtsi @@ -0,0 +1,87 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2021 Amlogic, Inc. All rights reserved. + */ + +#include +#include +#include + +/ { + cpus { + #address-cells = <2>; + #size-cells = <0>; + + cpu0: cpu@0 { + device_type = "cpu"; + compatible = "arm,cortex-a35"; + reg = <0x0 0x0>; + enable-method = "psci"; + }; + + cpu1: cpu@1 { + device_type = "cpu"; + compatible = "arm,cortex-a35"; + reg = <0x0 0x1>; + enable-method = "psci"; + }; + }; + + timer { + compatible = "arm,armv8-timer"; + interrupts = , + , + , + ; + }; + + psci { + compatible = "arm,psci-1.0"; + method = "smc"; + }; + + xtal: xtal-clk { + compatible = "fixed-clock"; + clock-frequency = <24000000>; + clock-output-names = "xtal"; + #clock-cells = <0>; + }; + + soc { + compatible = "simple-bus"; + #address-cells = <2>; + #size-cells = <2>; + ranges; + + gic: interrupt-controller@fff01000 { + compatible = "arm,gic-400"; + #interrupt-cells = <3>; + #address-cells = <0>; + interrupt-controller; + reg = <0x0 0xfff01000 0 0x1000>, + <0x0 0xfff02000 0 0x2000>, + <0x0 0xfff04000 0 0x2000>, + <0x0 0xfff06000 0 0x2000>; + interrupts = ; + }; + + apb4: bus@fe000000 { + compatible = "simple-bus"; + reg = <0x0 0xfe000000 0x0 0x480000>; + #address-cells = <2>; + #size-cells = <2>; + ranges = <0x0 0x0 0x0 0xfe000000 0x0 0x480000>; + + uart_b: serial@7a000 { + compatible = "amlogic,meson-s4-uart", + "amlogic,meson-ao-uart"; + reg = <0x0 0x7a000 0x0 0x18>; + interrupts = ; + status = "disabled"; + clocks = <&xtal>, <&xtal>, <&xtal>; + clock-names = "xtal", "pclk", "baud"; + }; + + }; + }; +};