From 9d59b708500fcb62d28e15b8c6333be620984d8b Mon Sep 17 00:00:00 2001 From: Yixun Lan Date: Sat, 14 Oct 2017 07:13:13 +0800 Subject: [PATCH] arm64: dts: meson-axg: add initial A113D SoC DT support MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Try to add basic DT support for the Amlogic's Meson-AXG A113D SoC, which describe components as follows: Reserve Memory, CPU, GIC, IRQ, Timer, UART. It's capable of booting up into the serial console. Signed-off-by: Yixun Lan Reviewed-by: Andreas Färber Reviewed-by: Neil Armstrong Reviewed-by: Kevin Hilman Signed-off-by: Kevin Hilman --- arch/arm64/boot/dts/amlogic/Makefile | 1 + arch/arm64/boot/dts/amlogic/meson-axg-s400.dts | 22 +++ arch/arm64/boot/dts/amlogic/meson-axg.dtsi | 204 +++++++++++++++++++++++++ 3 files changed, 227 insertions(+) create mode 100644 arch/arm64/boot/dts/amlogic/meson-axg-s400.dts create mode 100644 arch/arm64/boot/dts/amlogic/meson-axg.dtsi diff --git a/arch/arm64/boot/dts/amlogic/Makefile b/arch/arm64/boot/dts/amlogic/Makefile index eacfb3135313..3d6b088d2160 100644 --- a/arch/arm64/boot/dts/amlogic/Makefile +++ b/arch/arm64/boot/dts/amlogic/Makefile @@ -1,3 +1,4 @@ +dtb-$(CONFIG_ARCH_MESON) += meson-axg-s400.dtb dtb-$(CONFIG_ARCH_MESON) += meson-gxbb-nanopi-k2.dtb dtb-$(CONFIG_ARCH_MESON) += meson-gxbb-nexbox-a95x.dtb dtb-$(CONFIG_ARCH_MESON) += meson-gxbb-odroidc2.dtb diff --git a/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts b/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts new file mode 100644 index 000000000000..70eca1f8736a --- /dev/null +++ b/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts @@ -0,0 +1,22 @@ +/* + * Copyright (c) 2017 Amlogic, Inc. All rights reserved. + * + * SPDX-License-Identifier: (GPL-2.0+ OR MIT) + */ + +/dts-v1/; + +#include "meson-axg.dtsi" + +/ { + compatible = "amlogic,s400", "amlogic,a113d", "amlogic,meson-axg"; + model = "Amlogic Meson AXG S400 Development Board"; + + aliases { + serial0 = &uart_AO; + }; +}; + +&uart_AO { + status = "okay"; +}; diff --git a/arch/arm64/boot/dts/amlogic/meson-axg.dtsi b/arch/arm64/boot/dts/amlogic/meson-axg.dtsi new file mode 100644 index 000000000000..003832890d2b --- /dev/null +++ b/arch/arm64/boot/dts/amlogic/meson-axg.dtsi @@ -0,0 +1,204 @@ +/* + * Copyright (c) 2017 Amlogic, Inc. All rights reserved. + * + * SPDX-License-Identifier: (GPL-2.0+ OR MIT) + */ + +#include +#include +#include + +/ { + compatible = "amlogic,meson-axg"; + + interrupt-parent = <&gic>; + #address-cells = <2>; + #size-cells = <2>; + + reserved-memory { + #address-cells = <2>; + #size-cells = <2>; + ranges; + + /* 16 MiB reserved for Hardware ROM Firmware */ + hwrom_reserved: hwrom@0 { + reg = <0x0 0x0 0x0 0x1000000>; + no-map; + }; + + /* Alternate 3 MiB reserved for ARM Trusted Firmware (BL31) */ + secmon_reserved: secmon@05000000 { + reg = <0x0 0x05000000 0x0 0x300000>; + no-map; + }; + }; + + cpus { + #address-cells = <0x2>; + #size-cells = <0x0>; + + cpu0: cpu@0 { + device_type = "cpu"; + compatible = "arm,cortex-a53", "arm,armv8"; + reg = <0x0 0x0>; + enable-method = "psci"; + next-level-cache = <&l2>; + }; + + cpu1: cpu@1 { + device_type = "cpu"; + compatible = "arm,cortex-a53", "arm,armv8"; + reg = <0x0 0x1>; + enable-method = "psci"; + next-level-cache = <&l2>; + }; + + cpu2: cpu@2 { + device_type = "cpu"; + compatible = "arm,cortex-a53", "arm,armv8"; + reg = <0x0 0x2>; + enable-method = "psci"; + next-level-cache = <&l2>; + }; + + cpu3: cpu@3 { + device_type = "cpu"; + compatible = "arm,cortex-a53", "arm,armv8"; + reg = <0x0 0x3>; + enable-method = "psci"; + next-level-cache = <&l2>; + }; + + l2: l2-cache0 { + compatible = "cache"; + }; + }; + + arm-pmu { + compatible = "arm,cortex-a53-pmu"; + interrupts = , + , + , + ; + interrupt-affinity = <&cpu0>, <&cpu1>, <&cpu2>, <&cpu3>; + }; + + psci { + compatible = "arm,psci-1.0"; + method = "smc"; + }; + + timer { + compatible = "arm,armv8-timer"; + interrupts = , + , + , + ; + }; + + 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; + + cbus: cbus@ffd00000 { + compatible = "simple-bus"; + reg = <0x0 0xffd00000 0x0 0x25000>; + #address-cells = <2>; + #size-cells = <2>; + ranges = <0x0 0x0 0x0 0xffd00000 0x0 0x25000>; + + uart_A: serial@24000 { + compatible = "amlogic,meson-gx-uart", "amlogic,meson-uart"; + reg = <0x0 0x24000 0x0 0x14>; + interrupts = ; + status = "disabled"; + }; + + uart_B: serial@23000 { + compatible = "amlogic,meson-gx-uart", "amlogic,meson-uart"; + reg = <0x0 0x23000 0x0 0x14>; + interrupts = ; + status = "disabled"; + }; + }; + + gic: interrupt-controller@ffc01000 { + compatible = "arm,gic-400"; + reg = <0x0 0xffc01000 0 0x1000>, + <0x0 0xffc02000 0 0x2000>, + <0x0 0xffc04000 0 0x2000>, + <0x0 0xffc06000 0 0x2000>; + interrupt-controller; + interrupts = ; + #interrupt-cells = <3>; + #address-cells = <0>; + }; + + mailbox: mailbox@ff63dc00 { + compatible = "amlogic,meson-gx-mhu", "amlogic,meson-gxbb-mhu"; + reg = <0 0xff63dc00 0 0x400>; + interrupts = , + , + ; + #mbox-cells = <1>; + }; + + sram: sram@fffc0000 { + compatible = "amlogic,meson-axg-sram", "mmio-sram"; + reg = <0x0 0xfffc0000 0x0 0x20000>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0x0 0xfffc0000 0x20000>; + + cpu_scp_lpri: scp-shmem@0 { + compatible = "amlogic,meson-axg-scp-shmem"; + reg = <0x13000 0x400>; + }; + + cpu_scp_hpri: scp-shmem@200 { + compatible = "amlogic,meson-axg-scp-shmem"; + reg = <0x13400 0x400>; + }; + }; + + aobus: aobus@ff800000 { + compatible = "simple-bus"; + reg = <0x0 0xff800000 0x0 0x100000>; + #address-cells = <2>; + #size-cells = <2>; + ranges = <0x0 0x0 0x0 0xff800000 0x0 0x100000>; + + uart_AO: serial@3000 { + compatible = "amlogic,meson-gx-uart", "amlogic,meson-ao-uart"; + reg = <0x0 0x3000 0x0 0x18>; + interrupts = ; + clocks = <&xtal>, <&xtal>, <&xtal>; + clock-names = "xtal", "pclk", "baud"; + status = "disabled"; + }; + + uart_AO_B: serial@4000 { + compatible = "amlogic,meson-gx-uart", "amlogic,meson-ao-uart"; + reg = <0x0 0x4000 0x0 0x18>; + interrupts = ; + clocks = <&xtal>, <&xtal>, <&xtal>; + clock-names = "xtal", "pclk", "baud"; + status = "disabled"; + }; + }; + }; +}; -- 2.11.0