| Message ID | IA1PR20MB49539882B957DF39AD77E539BBD5A@IA1PR20MB4953.namprd20.prod.outlook.com (mailing list archive) |
|---|---|
| State | Accepted |
| Delegated to: | Conor Dooley |
| Headers | show |
| Series | Add Huashan Pi board support | expand |
On 2023/10/19 7:18, Inochi Amaoto wrote: > Add initial device tree files for the Huashan Pi board. > > Note: The boot of CV1812H chip needs a rtos firmware for coprocessor to > function properly. To make the soc happy, reserved the last 2M memory > for the rtos firmware. > > Signed-off-by: Inochi Amaoto <inochiama@outlook.com> > Link: https://en.sophgo.com/product/introduce/huashan.html > Link: https://en.sophgo.com/product/introduce/cv181xH.html > Link: https://github.com/milkv-duo/duo-buildroot-sdk/blob/develop/build/boards/cv181x/cv1812h_wevb_0007a_emmc_huashan/memmap.py#L15 > Reviewed-by: Jisheng Zhang <jszhang@kernel.org> LGTM. Acked-by: Chen Wang <unicorn_wang@outlook.com> > --- > arch/riscv/boot/dts/sophgo/Makefile | 1 + > .../boot/dts/sophgo/cv1812h-huashan-pi.dts | 48 +++++++++++++++++++ > 2 files changed, 49 insertions(+) > create mode 100644 arch/riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts > > diff --git a/arch/riscv/boot/dts/sophgo/Makefile b/arch/riscv/boot/dts/sophgo/Makefile > index 3fb65512c631..57ad82a61ea6 100644 > --- a/arch/riscv/boot/dts/sophgo/Makefile > +++ b/arch/riscv/boot/dts/sophgo/Makefile > @@ -1,3 +1,4 @@ > # SPDX-License-Identifier: GPL-2.0 > dtb-$(CONFIG_ARCH_SOPHGO) += cv1800b-milkv-duo.dtb > +dtb-$(CONFIG_ARCH_SOPHGO) += cv1812h-huashan-pi.dtb > dtb-$(CONFIG_ARCH_SOPHGO) += sg2042-milkv-pioneer.dtb > diff --git a/arch/riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts b/arch/riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts > new file mode 100644 > index 000000000000..aa361f3a86bb > --- /dev/null > +++ b/arch/riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts > @@ -0,0 +1,48 @@ > +// SPDX-License-Identifier: (GPL-2.0 OR MIT) > +/* > + * Copyright (C) 2023 Inochi Amaoto <inochiama@outlook.com> > + */ > + > +/dts-v1/; > + > +#include "cv1812h.dtsi" > + > +/ { > + model = "Huashan Pi"; > + compatible = "sophgo,huashan-pi", "sophgo,cv1812h"; > + > + aliases { > + gpio0 = &gpio0; > + gpio1 = &gpio1; > + gpio2 = &gpio2; > + gpio3 = &gpio3; > + serial0 = &uart0; > + serial1 = &uart1; > + serial2 = &uart2; > + serial3 = &uart3; > + serial4 = &uart4; > + }; > + > + chosen { > + stdout-path = "serial0:115200n8"; > + }; > + > + reserved-memory { > + #address-cells = <1>; > + #size-cells = <1>; > + ranges; > + > + coprocessor_rtos: region@8fe00000 { > + reg = <0x8fe00000 0x200000>; > + no-map; > + }; > + }; > +}; > + > +&osc { > + clock-frequency = <25000000>; > +}; > + > +&uart0 { > + status = "okay"; > +}; > -- > 2.42.0 >
diff --git a/arch/riscv/boot/dts/sophgo/Makefile b/arch/riscv/boot/dts/sophgo/Makefile index 3fb65512c631..57ad82a61ea6 100644 --- a/arch/riscv/boot/dts/sophgo/Makefile +++ b/arch/riscv/boot/dts/sophgo/Makefile @@ -1,3 +1,4 @@ # SPDX-License-Identifier: GPL-2.0 dtb-$(CONFIG_ARCH_SOPHGO) += cv1800b-milkv-duo.dtb +dtb-$(CONFIG_ARCH_SOPHGO) += cv1812h-huashan-pi.dtb dtb-$(CONFIG_ARCH_SOPHGO) += sg2042-milkv-pioneer.dtb diff --git a/arch/riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts b/arch/riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts new file mode 100644 index 000000000000..aa361f3a86bb --- /dev/null +++ b/arch/riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts @@ -0,0 +1,48 @@ +// SPDX-License-Identifier: (GPL-2.0 OR MIT) +/* + * Copyright (C) 2023 Inochi Amaoto <inochiama@outlook.com> + */ + +/dts-v1/; + +#include "cv1812h.dtsi" + +/ { + model = "Huashan Pi"; + compatible = "sophgo,huashan-pi", "sophgo,cv1812h"; + + aliases { + gpio0 = &gpio0; + gpio1 = &gpio1; + gpio2 = &gpio2; + gpio3 = &gpio3; + serial0 = &uart0; + serial1 = &uart1; + serial2 = &uart2; + serial3 = &uart3; + serial4 = &uart4; + }; + + chosen { + stdout-path = "serial0:115200n8"; + }; + + reserved-memory { + #address-cells = <1>; + #size-cells = <1>; + ranges; + + coprocessor_rtos: region@8fe00000 { + reg = <0x8fe00000 0x200000>; + no-map; + }; + }; +}; + +&osc { + clock-frequency = <25000000>; +}; + +&uart0 { + status = "okay"; +};