| Message ID | 1567493475-75451-5-git-send-email-jianxin.pan@amlogic.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | arm64: Add basic support for Amlogic A1 SoC Family | expand |
On Tue 03 Sep 2019 at 02:51, Jianxin Pan <jianxin.pan@amlogic.com> wrote: > Add basic support for the Amlogic A1 based Amlogic AD401 board: > 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: Jianxin Pan <jianxin.pan@amlogic.com> > --- > arch/arm64/boot/dts/amlogic/Makefile | 1 + > arch/arm64/boot/dts/amlogic/meson-a1-ad401.dts | 30 ++++++ > arch/arm64/boot/dts/amlogic/meson-a1.dtsi | 121 +++++++++++++++++++++++++ > 3 files changed, 152 insertions(+) > create mode 100644 arch/arm64/boot/dts/amlogic/meson-a1-ad401.dts > create mode 100644 arch/arm64/boot/dts/amlogic/meson-a1.dtsi > > diff --git a/arch/arm64/boot/dts/amlogic/Makefile b/arch/arm64/boot/dts/amlogic/Makefile > index edbf128..1720c45 100644 > --- a/arch/arm64/boot/dts/amlogic/Makefile > +++ b/arch/arm64/boot/dts/amlogic/Makefile > @@ -36,3 +36,4 @@ dtb-$(CONFIG_ARCH_MESON) += meson-gxm-rbox-pro.dtb > dtb-$(CONFIG_ARCH_MESON) += meson-gxm-vega-s96.dtb > dtb-$(CONFIG_ARCH_MESON) += meson-sm1-sei610.dtb > dtb-$(CONFIG_ARCH_MESON) += meson-sm1-khadas-vim3l.dtb > +dtb-$(CONFIG_ARCH_MESON) += meson-a1-ad401.dtb > diff --git a/arch/arm64/boot/dts/amlogic/meson-a1-ad401.dts b/arch/arm64/boot/dts/amlogic/meson-a1-ad401.dts > new file mode 100644 > index 00000000..3c05cc0 > --- /dev/null > +++ b/arch/arm64/boot/dts/amlogic/meson-a1-ad401.dts > @@ -0,0 +1,30 @@ > +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) > +/* > + * Copyright (c) 2019 Amlogic, Inc. All rights reserved. > + */ > + > +/dts-v1/; > + > +#include "meson-a1.dtsi" > + > +/ { > + compatible = "amlogic,ad401", "amlogic,a1"; > + model = "Amlogic Meson A1 AD401 Development Board"; > + > + aliases { > + serial0 = &uart_AO_B; > + }; Newline here please > + chosen { > + stdout-path = "serial0:115200n8"; > + }; same > + memory@0 { > + device_type = "memory"; > + linux,usable-memory = <0x0 0x0 0x0 0x8000000>; > + }; > +}; > + > +&uart_AO_B { > + status = "okay"; > + /*pinctrl-0 = <&uart_ao_a_pins>;*/ > + /*pinctrl-names = "default";*/ Remove the commented code please > +}; > diff --git a/arch/arm64/boot/dts/amlogic/meson-a1.dtsi b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi > new file mode 100644 > index 00000000..b98d648 > --- /dev/null > +++ b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi > @@ -0,0 +1,121 @@ > +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) > +/* > + * Copyright (c) 2019 Amlogic, Inc. All rights reserved. > + */ > + > +#include <dt-bindings/interrupt-controller/irq.h> > +#include <dt-bindings/interrupt-controller/arm-gic.h> > + > +/ { > + compatible = "amlogic,a1"; > + > + interrupt-parent = <&gic>; > + #address-cells = <2>; > + #size-cells = <2>; > + > + cpus { > + #address-cells = <0x2>; > + #size-cells = <0x0>; > + > + cpu0: cpu@0 { > + device_type = "cpu"; > + compatible = "arm,cortex-a35"; > + reg = <0x0 0x0>; > + enable-method = "psci"; > + next-level-cache = <&l2>; > + }; > + > + cpu1: cpu@1 { > + device_type = "cpu"; > + compatible = "arm,cortex-a35"; > + reg = <0x0 0x1>; > + enable-method = "psci"; > + next-level-cache = <&l2>; > + }; > + > + l2: l2-cache0 { > + compatible = "cache"; > + }; > + }; New line here please With this minor comments adressed, looks good. Reviewed-by: Jerome Brunet <jbrunet@baylibre.com> > + psci { > + compatible = "arm,psci-1.0"; > + method = "smc"; > + }; > + > + reserved-memory { > + #address-cells = <2>; > + #size-cells = <2>; > + ranges; > + > + linux,cma { > + compatible = "shared-dma-pool"; > + reusable; > + size = <0x0 0x800000>; > + alignment = <0x0 0x400000>; > + linux,cma-default; > + }; > + }; > + > + sm: secure-monitor { > + compatible = "amlogic,meson-gxbb-sm"; > + }; > + > + soc { > + compatible = "simple-bus"; > + #address-cells = <2>; > + #size-cells = <2>; > + ranges; > + > + uart_AO: serial@fe001c00 { > + compatible = "amlogic,meson-gx-uart", > + "amlogic,meson-ao-uart"; > + reg = <0x0 0xfe001c00 0x0 0x18>; > + interrupts = <GIC_SPI 25 IRQ_TYPE_EDGE_RISING>; > + clocks = <&xtal>, <&xtal>, <&xtal>; > + clock-names = "xtal", "pclk", "baud"; > + status = "disabled"; > + }; > + > + uart_AO_B: serial@fe002000 { > + compatible = "amlogic,meson-gx-uart", > + "amlogic,meson-ao-uart"; > + reg = <0x0 0xfe002000 0x0 0x18>; > + interrupts = <GIC_SPI 26 IRQ_TYPE_EDGE_RISING>; > + clocks = <&xtal>, <&xtal>, <&xtal>; > + clock-names = "xtal", "pclk", "baud"; > + status = "disabled"; > + }; > + > + gic: interrupt-controller@ff901000 { > + compatible = "arm,gic-400"; > + reg = <0x0 0xff901000 0x0 0x1000>, > + <0x0 0xff902000 0x0 0x2000>, > + <0x0 0xff904000 0x0 0x2000>, > + <0x0 0xff906000 0x0 0x2000>; > + interrupt-controller; > + interrupts = <GIC_PPI 9 > + (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_HIGH)>; > + #interrupt-cells = <3>; > + #address-cells = <0>; > + }; > + }; > + > + timer { > + compatible = "arm,armv8-timer"; > + interrupts = <GIC_PPI 13 > + (GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_LEVEL_LOW)>, > + <GIC_PPI 14 > + (GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_LEVEL_LOW)>, > + <GIC_PPI 11 > + (GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_LEVEL_LOW)>, > + <GIC_PPI 10 > + (GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_LEVEL_LOW)>; > + }; > + > + xtal: xtal-clk { > + compatible = "fixed-clock"; > + clock-frequency = <24000000>; > + clock-output-names = "xtal"; > + #clock-cells = <0>; > + }; > +}; > -- > 2.7.4
Hi, On 03/09/2019 08:51, Jianxin Pan wrote: > Add basic support for the Amlogic A1 based Amlogic AD401 board: > 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: Jianxin Pan <jianxin.pan@amlogic.com> > --- > arch/arm64/boot/dts/amlogic/Makefile | 1 + > arch/arm64/boot/dts/amlogic/meson-a1-ad401.dts | 30 ++++++ > arch/arm64/boot/dts/amlogic/meson-a1.dtsi | 121 +++++++++++++++++++++++++ > 3 files changed, 152 insertions(+) > create mode 100644 arch/arm64/boot/dts/amlogic/meson-a1-ad401.dts > create mode 100644 arch/arm64/boot/dts/amlogic/meson-a1.dtsi > > diff --git a/arch/arm64/boot/dts/amlogic/Makefile b/arch/arm64/boot/dts/amlogic/Makefile > index edbf128..1720c45 100644 > --- a/arch/arm64/boot/dts/amlogic/Makefile > +++ b/arch/arm64/boot/dts/amlogic/Makefile > @@ -36,3 +36,4 @@ dtb-$(CONFIG_ARCH_MESON) += meson-gxm-rbox-pro.dtb > dtb-$(CONFIG_ARCH_MESON) += meson-gxm-vega-s96.dtb > dtb-$(CONFIG_ARCH_MESON) += meson-sm1-sei610.dtb > dtb-$(CONFIG_ARCH_MESON) += meson-sm1-khadas-vim3l.dtb > +dtb-$(CONFIG_ARCH_MESON) += meson-a1-ad401.dtb > diff --git a/arch/arm64/boot/dts/amlogic/meson-a1-ad401.dts b/arch/arm64/boot/dts/amlogic/meson-a1-ad401.dts > new file mode 100644 > index 00000000..3c05cc0 > --- /dev/null > +++ b/arch/arm64/boot/dts/amlogic/meson-a1-ad401.dts > @@ -0,0 +1,30 @@ > +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) > +/* > + * Copyright (c) 2019 Amlogic, Inc. All rights reserved. > + */ > + > +/dts-v1/; > + > +#include "meson-a1.dtsi" > + > +/ { > + compatible = "amlogic,ad401", "amlogic,a1"; > + model = "Amlogic Meson A1 AD401 Development Board"; > + > + aliases { > + serial0 = &uart_AO_B; > + }; > + chosen { > + stdout-path = "serial0:115200n8"; > + }; > + memory@0 { > + device_type = "memory"; > + linux,usable-memory = <0x0 0x0 0x0 0x8000000>; I'll prefer usage of reg, it's handled the same but linux,usable-memory is not documented. > + }; > +}; > + > +&uart_AO_B { > + status = "okay"; > + /*pinctrl-0 = <&uart_ao_a_pins>;*/ > + /*pinctrl-names = "default";*/ Please remove these lines instead of commenting them. > +}; > diff --git a/arch/arm64/boot/dts/amlogic/meson-a1.dtsi b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi > new file mode 100644 > index 00000000..b98d648 > --- /dev/null > +++ b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi > @@ -0,0 +1,121 @@ > +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) > +/* > + * Copyright (c) 2019 Amlogic, Inc. All rights reserved. > + */ > + > +#include <dt-bindings/interrupt-controller/irq.h> > +#include <dt-bindings/interrupt-controller/arm-gic.h> > + > +/ { > + compatible = "amlogic,a1"; > + > + interrupt-parent = <&gic>; > + #address-cells = <2>; > + #size-cells = <2>; > + > + cpus { > + #address-cells = <0x2>; > + #size-cells = <0x0>; > + > + cpu0: cpu@0 { > + device_type = "cpu"; > + compatible = "arm,cortex-a35"; > + reg = <0x0 0x0>; > + enable-method = "psci"; > + next-level-cache = <&l2>; > + }; > + > + cpu1: cpu@1 { > + device_type = "cpu"; > + compatible = "arm,cortex-a35"; > + reg = <0x0 0x1>; > + enable-method = "psci"; > + next-level-cache = <&l2>; > + }; > + > + l2: l2-cache0 { > + compatible = "cache"; > + }; > + }; > + psci { > + compatible = "arm,psci-1.0"; > + method = "smc"; > + }; > + > + reserved-memory { > + #address-cells = <2>; > + #size-cells = <2>; > + ranges; Isn't there secmon reserved memory ? > + > + linux,cma { > + compatible = "shared-dma-pool"; > + reusable; > + size = <0x0 0x800000>; > + alignment = <0x0 0x400000>; > + linux,cma-default; > + }; > + }; > + > + sm: secure-monitor { > + compatible = "amlogic,meson-gxbb-sm"; > + }; > + > + soc { > + compatible = "simple-bus"; > + #address-cells = <2>; > + #size-cells = <2>; > + ranges; > + > + uart_AO: serial@fe001c00 { > + compatible = "amlogic,meson-gx-uart", > + "amlogic,meson-ao-uart"; > + reg = <0x0 0xfe001c00 0x0 0x18>; > + interrupts = <GIC_SPI 25 IRQ_TYPE_EDGE_RISING>; > + clocks = <&xtal>, <&xtal>, <&xtal>; > + clock-names = "xtal", "pclk", "baud"; > + status = "disabled"; > + }; > + > + uart_AO_B: serial@fe002000 { > + compatible = "amlogic,meson-gx-uart", > + "amlogic,meson-ao-uart"; > + reg = <0x0 0xfe002000 0x0 0x18>; > + interrupts = <GIC_SPI 26 IRQ_TYPE_EDGE_RISING>; > + clocks = <&xtal>, <&xtal>, <&xtal>; > + clock-names = "xtal", "pclk", "baud"; > + status = "disabled"; > + }; > + > + gic: interrupt-controller@ff901000 { > + compatible = "arm,gic-400"; > + reg = <0x0 0xff901000 0x0 0x1000>, > + <0x0 0xff902000 0x0 0x2000>, > + <0x0 0xff904000 0x0 0x2000>, > + <0x0 0xff906000 0x0 0x2000>; > + interrupt-controller; > + interrupts = <GIC_PPI 9 > + (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_HIGH)>; > + #interrupt-cells = <3>; > + #address-cells = <0>; > + }; > + }; > + > + timer { > + compatible = "arm,armv8-timer"; > + interrupts = <GIC_PPI 13 > + (GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_LEVEL_LOW)>, > + <GIC_PPI 14 > + (GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_LEVEL_LOW)>, > + <GIC_PPI 11 > + (GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_LEVEL_LOW)>, > + <GIC_PPI 10 > + (GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_LEVEL_LOW)>; > + }; > + > + xtal: xtal-clk { > + compatible = "fixed-clock"; > + clock-frequency = <24000000>; > + clock-output-names = "xtal"; > + #clock-cells = <0>; > + }; > +}; > Thanks, Neil
Hi Jerome, Thanks for your suggestion. I will fix them in the next version. On 2019/9/3 15:30, Jerome Brunet wrote: > On Tue 03 Sep 2019 at 02:51, Jianxin Pan <jianxin.pan@amlogic.com> wrote: > >> Add basic support for the Amlogic A1 based Amlogic AD401 board: >> 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: Jianxin Pan <jianxin.pan@amlogic.com> >> --- >> arch/arm64/boot/dts/amlogic/Makefile | 1 + >> arch/arm64/boot/dts/amlogic/meson-a1-ad401.dts | 30 ++++++ >> arch/arm64/boot/dts/amlogic/meson-a1.dtsi | 121 +++++++++++++++++++++++++ >> 3 files changed, 152 insertions(+) >> create mode 100644 arch/arm64/boot/dts/amlogic/meson-a1-ad401.dts >> create mode 100644 arch/arm64/boot/dts/amlogic/meson-a1.dtsi >> >> diff --git a/arch/arm64/boot/dts/amlogic/Makefile b/arch/arm64/boot/dts/amlogic/Makefile >> index edbf128..1720c45 100644 >> --- a/arch/arm64/boot/dts/amlogic/Makefile >> +++ b/arch/arm64/boot/dts/amlogic/Makefile >> @@ -36,3 +36,4 @@ dtb-$(CONFIG_ARCH_MESON) += meson-gxm-rbox-pro.dtb >> dtb-$(CONFIG_ARCH_MESON) += meson-gxm-vega-s96.dtb >> dtb-$(CONFIG_ARCH_MESON) += meson-sm1-sei610.dtb >> dtb-$(CONFIG_ARCH_MESON) += meson-sm1-khadas-vim3l.dtb >> +dtb-$(CONFIG_ARCH_MESON) += meson-a1-ad401.dtb >> diff --git a/arch/arm64/boot/dts/amlogic/meson-a1-ad401.dts b/arch/arm64/boot/dts/amlogic/meson-a1-ad401.dts >> new file mode 100644 >> index 00000000..3c05cc0 >> --- /dev/null >> +++ b/arch/arm64/boot/dts/amlogic/meson-a1-ad401.dts >> @@ -0,0 +1,30 @@ >> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) >> +/* >> + * Copyright (c) 2019 Amlogic, Inc. All rights reserved. >> + */ >> + >> +/dts-v1/; >> + >> +#include "meson-a1.dtsi" >> + >> +/ { >> + compatible = "amlogic,ad401", "amlogic,a1"; >> + model = "Amlogic Meson A1 AD401 Development Board"; >> + >> + aliases { >> + serial0 = &uart_AO_B; >> + }; > > Newline here please > >> + chosen { >> + stdout-path = "serial0:115200n8"; >> + }; > > same > >> + memory@0 { >> + device_type = "memory"; >> + linux,usable-memory = <0x0 0x0 0x0 0x8000000>; >> + }; >> +}; >> + >> +&uart_AO_B { >> + status = "okay"; >> + /*pinctrl-0 = <&uart_ao_a_pins>;*/ >> + /*pinctrl-names = "default";*/ > > Remove the commented code please > >> +}; >> diff --git a/arch/arm64/boot/dts/amlogic/meson-a1.dtsi b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi >> new file mode 100644 >> index 00000000..b98d648 >> --- /dev/null >> +++ b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi >> @@ -0,0 +1,121 @@ >> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) >> +/* >> + * Copyright (c) 2019 Amlogic, Inc. All rights reserved. >> + */ >> + >> +#include <dt-bindings/interrupt-controller/irq.h> >> +#include <dt-bindings/interrupt-controller/arm-gic.h> >> + >> +/ { >> + compatible = "amlogic,a1"; >> + >> + interrupt-parent = <&gic>; >> + #address-cells = <2>; >> + #size-cells = <2>; >> + >> + cpus { >> + #address-cells = <0x2>; >> + #size-cells = <0x0>; >> + >> + cpu0: cpu@0 { >> + device_type = "cpu"; >> + compatible = "arm,cortex-a35"; >> + reg = <0x0 0x0>; >> + enable-method = "psci"; >> + next-level-cache = <&l2>; >> + }; >> + >> + cpu1: cpu@1 { >> + device_type = "cpu"; >> + compatible = "arm,cortex-a35"; >> + reg = <0x0 0x1>; >> + enable-method = "psci"; >> + next-level-cache = <&l2>; >> + }; >> + >> + l2: l2-cache0 { >> + compatible = "cache"; >> + }; >> + }; > > New line here please > > With this minor comments adressed, looks good. > > Reviewed-by: Jerome Brunet <jbrunet@baylibre.com> > >> + psci { >> + compatible = "arm,psci-1.0"; >> + method = "smc"; >> + }; >> + >> + reserved-memory { >> + #address-cells = <2>; >> + #size-cells = <2>; >> + ranges; >> + >> + linux,cma { >> + compatible = "shared-dma-pool"; >> + reusable; >> + size = <0x0 0x800000>; >> + alignment = <0x0 0x400000>; >> + linux,cma-default; >> + }; >> + }; >> + >> + sm: secure-monitor { >> + compatible = "amlogic,meson-gxbb-sm"; >> + }; >> + >> + soc { >> + compatible = "simple-bus"; >> + #address-cells = <2>; >> + #size-cells = <2>; >> + ranges; >> + >> + uart_AO: serial@fe001c00 { >> + compatible = "amlogic,meson-gx-uart", >> + "amlogic,meson-ao-uart"; >> + reg = <0x0 0xfe001c00 0x0 0x18>; >> + interrupts = <GIC_SPI 25 IRQ_TYPE_EDGE_RISING>; >> + clocks = <&xtal>, <&xtal>, <&xtal>; >> + clock-names = "xtal", "pclk", "baud"; >> + status = "disabled"; >> + }; >> + >> + uart_AO_B: serial@fe002000 { >> + compatible = "amlogic,meson-gx-uart", >> + "amlogic,meson-ao-uart"; >> + reg = <0x0 0xfe002000 0x0 0x18>; >> + interrupts = <GIC_SPI 26 IRQ_TYPE_EDGE_RISING>; >> + clocks = <&xtal>, <&xtal>, <&xtal>; >> + clock-names = "xtal", "pclk", "baud"; >> + status = "disabled"; >> + }; >> + >> + gic: interrupt-controller@ff901000 { >> + compatible = "arm,gic-400"; >> + reg = <0x0 0xff901000 0x0 0x1000>, >> + <0x0 0xff902000 0x0 0x2000>, >> + <0x0 0xff904000 0x0 0x2000>, >> + <0x0 0xff906000 0x0 0x2000>; >> + interrupt-controller; >> + interrupts = <GIC_PPI 9 >> + (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_HIGH)>; >> + #interrupt-cells = <3>; >> + #address-cells = <0>; >> + }; >> + }; >> + >> + timer { >> + compatible = "arm,armv8-timer"; >> + interrupts = <GIC_PPI 13 >> + (GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_LEVEL_LOW)>, >> + <GIC_PPI 14 >> + (GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_LEVEL_LOW)>, >> + <GIC_PPI 11 >> + (GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_LEVEL_LOW)>, >> + <GIC_PPI 10 >> + (GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_LEVEL_LOW)>; >> + }; >> + >> + xtal: xtal-clk { >> + compatible = "fixed-clock"; >> + clock-frequency = <24000000>; >> + clock-output-names = "xtal"; >> + #clock-cells = <0>; >> + }; >> +}; >> -- >> 2.7.4 > > . >
Hi Neil, Thanks for your time. Please see my comments below. On 2019/9/3 15:42, Neil Armstrong wrote: > Hi, > > On 03/09/2019 08:51, Jianxin Pan wrote: >> Add basic support for the Amlogic A1 based Amlogic AD401 board: >> which describe components as follows: Reserve Memory, CPU, GIC, IRQ, [...] >> + chosen { >> + stdout-path = "serial0:115200n8"; >> + }; >> + memory@0 { >> + device_type = "memory"; >> + linux,usable-memory = <0x0 0x0 0x0 0x8000000>; > > I'll prefer usage of reg, it's handled the same but linux,usable-memory > is not documented. > OK, I will fix it in the next version. Thanks for your review. >> + }; >> +}; >> + >> +&uart_AO_B { >> + status = "okay"; >> + /*pinctrl-0 = <&uart_ao_a_pins>;*/ >> + /*pinctrl-names = "default";*/ > > Please remove these lines instead of commenting them. > OK, I will fix it in the next version. >> +}; >> diff --git a/arch/arm64/boot/dts/amlogic/meson-a1.dtsi b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi >> new file mode 100644 >> index 00000000..b98d648 >> --- /dev/null >> +++ b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi >> @@ -0,0 +1,121 @@ >> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) >> +/* >> + * Copyright (c) 2019 Amlogic, Inc. All rights reserved. >> + */ >> + >> +#include <dt-bindings/interrupt-controller/irq.h> >> +#include <dt-bindings/interrupt-controller/arm-gic.h> >> + >> +/ { [...] >> + >> + reserved-memory { >> + #address-cells = <2>; >> + #size-cells = <2>; >> + ranges; > > Isn't there secmon reserved memory ? > A1 uses internal SRAM as secmon memory. And there is no secmon reserved memory in ddr side. >> + >> + linux,cma { >> + compatible = "shared-dma-pool"; >> + reusable; >> + size = <0x0 0x800000>; [...] >> > > Thanks, > Neil > > . >
diff --git a/arch/arm64/boot/dts/amlogic/Makefile b/arch/arm64/boot/dts/amlogic/Makefile index edbf128..1720c45 100644 --- a/arch/arm64/boot/dts/amlogic/Makefile +++ b/arch/arm64/boot/dts/amlogic/Makefile @@ -36,3 +36,4 @@ dtb-$(CONFIG_ARCH_MESON) += meson-gxm-rbox-pro.dtb dtb-$(CONFIG_ARCH_MESON) += meson-gxm-vega-s96.dtb dtb-$(CONFIG_ARCH_MESON) += meson-sm1-sei610.dtb dtb-$(CONFIG_ARCH_MESON) += meson-sm1-khadas-vim3l.dtb +dtb-$(CONFIG_ARCH_MESON) += meson-a1-ad401.dtb diff --git a/arch/arm64/boot/dts/amlogic/meson-a1-ad401.dts b/arch/arm64/boot/dts/amlogic/meson-a1-ad401.dts new file mode 100644 index 00000000..3c05cc0 --- /dev/null +++ b/arch/arm64/boot/dts/amlogic/meson-a1-ad401.dts @@ -0,0 +1,30 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2019 Amlogic, Inc. All rights reserved. + */ + +/dts-v1/; + +#include "meson-a1.dtsi" + +/ { + compatible = "amlogic,ad401", "amlogic,a1"; + model = "Amlogic Meson A1 AD401 Development Board"; + + aliases { + serial0 = &uart_AO_B; + }; + chosen { + stdout-path = "serial0:115200n8"; + }; + memory@0 { + device_type = "memory"; + linux,usable-memory = <0x0 0x0 0x0 0x8000000>; + }; +}; + +&uart_AO_B { + status = "okay"; + /*pinctrl-0 = <&uart_ao_a_pins>;*/ + /*pinctrl-names = "default";*/ +}; diff --git a/arch/arm64/boot/dts/amlogic/meson-a1.dtsi b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi new file mode 100644 index 00000000..b98d648 --- /dev/null +++ b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi @@ -0,0 +1,121 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2019 Amlogic, Inc. All rights reserved. + */ + +#include <dt-bindings/interrupt-controller/irq.h> +#include <dt-bindings/interrupt-controller/arm-gic.h> + +/ { + compatible = "amlogic,a1"; + + interrupt-parent = <&gic>; + #address-cells = <2>; + #size-cells = <2>; + + cpus { + #address-cells = <0x2>; + #size-cells = <0x0>; + + cpu0: cpu@0 { + device_type = "cpu"; + compatible = "arm,cortex-a35"; + reg = <0x0 0x0>; + enable-method = "psci"; + next-level-cache = <&l2>; + }; + + cpu1: cpu@1 { + device_type = "cpu"; + compatible = "arm,cortex-a35"; + reg = <0x0 0x1>; + enable-method = "psci"; + next-level-cache = <&l2>; + }; + + l2: l2-cache0 { + compatible = "cache"; + }; + }; + psci { + compatible = "arm,psci-1.0"; + method = "smc"; + }; + + reserved-memory { + #address-cells = <2>; + #size-cells = <2>; + ranges; + + linux,cma { + compatible = "shared-dma-pool"; + reusable; + size = <0x0 0x800000>; + alignment = <0x0 0x400000>; + linux,cma-default; + }; + }; + + sm: secure-monitor { + compatible = "amlogic,meson-gxbb-sm"; + }; + + soc { + compatible = "simple-bus"; + #address-cells = <2>; + #size-cells = <2>; + ranges; + + uart_AO: serial@fe001c00 { + compatible = "amlogic,meson-gx-uart", + "amlogic,meson-ao-uart"; + reg = <0x0 0xfe001c00 0x0 0x18>; + interrupts = <GIC_SPI 25 IRQ_TYPE_EDGE_RISING>; + clocks = <&xtal>, <&xtal>, <&xtal>; + clock-names = "xtal", "pclk", "baud"; + status = "disabled"; + }; + + uart_AO_B: serial@fe002000 { + compatible = "amlogic,meson-gx-uart", + "amlogic,meson-ao-uart"; + reg = <0x0 0xfe002000 0x0 0x18>; + interrupts = <GIC_SPI 26 IRQ_TYPE_EDGE_RISING>; + clocks = <&xtal>, <&xtal>, <&xtal>; + clock-names = "xtal", "pclk", "baud"; + status = "disabled"; + }; + + gic: interrupt-controller@ff901000 { + compatible = "arm,gic-400"; + reg = <0x0 0xff901000 0x0 0x1000>, + <0x0 0xff902000 0x0 0x2000>, + <0x0 0xff904000 0x0 0x2000>, + <0x0 0xff906000 0x0 0x2000>; + interrupt-controller; + interrupts = <GIC_PPI 9 + (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_HIGH)>; + #interrupt-cells = <3>; + #address-cells = <0>; + }; + }; + + timer { + compatible = "arm,armv8-timer"; + interrupts = <GIC_PPI 13 + (GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_LEVEL_LOW)>, + <GIC_PPI 14 + (GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_LEVEL_LOW)>, + <GIC_PPI 11 + (GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_LEVEL_LOW)>, + <GIC_PPI 10 + (GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_LEVEL_LOW)>; + }; + + xtal: xtal-clk { + compatible = "fixed-clock"; + clock-frequency = <24000000>; + clock-output-names = "xtal"; + #clock-cells = <0>; + }; +};
Add basic support for the Amlogic A1 based Amlogic AD401 board: 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: Jianxin Pan <jianxin.pan@amlogic.com> --- arch/arm64/boot/dts/amlogic/Makefile | 1 + arch/arm64/boot/dts/amlogic/meson-a1-ad401.dts | 30 ++++++ arch/arm64/boot/dts/amlogic/meson-a1.dtsi | 121 +++++++++++++++++++++++++ 3 files changed, 152 insertions(+) create mode 100644 arch/arm64/boot/dts/amlogic/meson-a1-ad401.dts create mode 100644 arch/arm64/boot/dts/amlogic/meson-a1.dtsi