diff options
| -rw-r--r-- | Documentation/devicetree/bindings/interrupt-controller/sifive,plic-1.0.0.yaml | 1 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/riscv/cpus.yaml | 1 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/riscv/tenstorrent.yaml | 28 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/timer/sifive,clint.yaml | 1 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/vendor-prefixes.yaml | 2 | ||||
| -rw-r--r-- | MAINTAINERS | 9 | ||||
| -rw-r--r-- | arch/riscv/Kconfig.socs | 8 | ||||
| -rw-r--r-- | arch/riscv/boot/dts/Makefile | 1 | ||||
| -rw-r--r-- | arch/riscv/boot/dts/tenstorrent/Makefile | 2 | ||||
| -rw-r--r-- | arch/riscv/boot/dts/tenstorrent/blackhole-card.dts | 14 | ||||
| -rw-r--r-- | arch/riscv/boot/dts/tenstorrent/blackhole.dtsi | 108 | ||||
| -rw-r--r-- | arch/riscv/configs/defconfig | 1 |
12 files changed, 176 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/interrupt-controller/sifive,plic-1.0.0.yaml b/Documentation/devicetree/bindings/interrupt-controller/sifive,plic-1.0.0.yaml index f683d696909b..9886b7d73d3c 100644 --- a/Documentation/devicetree/bindings/interrupt-controller/sifive,plic-1.0.0.yaml +++ b/Documentation/devicetree/bindings/interrupt-controller/sifive,plic-1.0.0.yaml @@ -64,6 +64,7 @@ properties: - spacemit,k1-plic - starfive,jh7100-plic - starfive,jh7110-plic + - tenstorrent,blackhole-plic - const: sifive,plic-1.0.0 - items: - enum: diff --git a/Documentation/devicetree/bindings/riscv/cpus.yaml b/Documentation/devicetree/bindings/riscv/cpus.yaml index 153d0dac57fb..afb8533f6a08 100644 --- a/Documentation/devicetree/bindings/riscv/cpus.yaml +++ b/Documentation/devicetree/bindings/riscv/cpus.yaml @@ -70,6 +70,7 @@ properties: - enum: - sifive,e51 - sifive,u54-mc + - sifive,x280 - const: sifive,rocket0 - const: riscv - const: riscv # Simulator only diff --git a/Documentation/devicetree/bindings/riscv/tenstorrent.yaml b/Documentation/devicetree/bindings/riscv/tenstorrent.yaml new file mode 100644 index 000000000000..e15359b2aab6 --- /dev/null +++ b/Documentation/devicetree/bindings/riscv/tenstorrent.yaml @@ -0,0 +1,28 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/riscv/tenstorrent.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Tenstorrent SoC-based boards + +maintainers: + - Drew Fustini <dfustini@oss.tenstorrent.com> + - Joel Stanley <jms@oss.tenstorrent.com> + +description: + Tenstorrent SoC-based boards + +properties: + $nodename: + const: '/' + compatible: + oneOf: + - description: Tenstorrent Blackhole PCIe card + items: + - const: tenstorrent,blackhole-card + - const: tenstorrent,blackhole + +additionalProperties: true + +... diff --git a/Documentation/devicetree/bindings/timer/sifive,clint.yaml b/Documentation/devicetree/bindings/timer/sifive,clint.yaml index d85a1a088b35..0d3b8dc362ba 100644 --- a/Documentation/devicetree/bindings/timer/sifive,clint.yaml +++ b/Documentation/devicetree/bindings/timer/sifive,clint.yaml @@ -36,6 +36,7 @@ properties: - starfive,jh7100-clint # StarFive JH7100 - starfive,jh7110-clint # StarFive JH7110 - starfive,jh8100-clint # StarFive JH8100 + - tenstorrent,blackhole-clint # Tenstorrent Blackhole - const: sifive,clint0 # SiFive CLINT v0 IP block - items: - {} diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml index f1d1882009ba..21921be22207 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.yaml +++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml @@ -1610,6 +1610,8 @@ patternProperties: description: Tempo Semiconductor "^tenda,.*": description: Shenzhen Tenda Technology Co., Ltd. + "^tenstorrent,.*": + description: Tenstorrent AI ULC "^terasic,.*": description: Terasic Inc. "^tesla,.*": diff --git a/MAINTAINERS b/MAINTAINERS index 3da2c26a796b..10f16f64141e 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -22184,6 +22184,15 @@ F: arch/riscv/boot/dts/spacemit/ N: spacemit K: spacemit +RISC-V TENSTORRENT SoC SUPPORT +M: Drew Fustini <dfustini@oss.tenstorrent.com> +M: Joel Stanley <jms@oss.tenstorrent.com> +L: linux-riscv@lists.infradead.org +S: Maintained +T: git https://github.com/tenstorrent/linux.git +F: Documentation/devicetree/bindings/riscv/tenstorrent.yaml +F: arch/riscv/boot/dts/tenstorrent/ + RISC-V THEAD SoC SUPPORT M: Drew Fustini <fustini@kernel.org> M: Guo Ren <guoren@kernel.org> diff --git a/arch/riscv/Kconfig.socs b/arch/riscv/Kconfig.socs index 848e7149e443..0b4d408aebfa 100644 --- a/arch/riscv/Kconfig.socs +++ b/arch/riscv/Kconfig.socs @@ -63,6 +63,14 @@ config ARCH_SUNXI This enables support for Allwinner sun20i platform hardware, including boards based on the D1 and D1s SoCs. +config ARCH_TENSTORRENT + bool "Tenstorrent SoCs" + help + This enables support for Tenstorrent SoC platforms. + Current support is for Blackhole P100 and P150 PCIe cards. + The Blackhole SoC contains four RISC-V CPU tiles each + consisting of 4x SiFive X280 cores. + config ARCH_THEAD bool "T-HEAD RISC-V SoCs" depends on MMU && !XIP_KERNEL diff --git a/arch/riscv/boot/dts/Makefile b/arch/riscv/boot/dts/Makefile index 3763d199c70a..cf179c6253ce 100644 --- a/arch/riscv/boot/dts/Makefile +++ b/arch/riscv/boot/dts/Makefile @@ -9,4 +9,5 @@ subdir-y += sifive subdir-y += sophgo subdir-y += spacemit subdir-y += starfive +subdir-y += tenstorrent subdir-y += thead diff --git a/arch/riscv/boot/dts/tenstorrent/Makefile b/arch/riscv/boot/dts/tenstorrent/Makefile new file mode 100644 index 000000000000..2c81faaba462 --- /dev/null +++ b/arch/riscv/boot/dts/tenstorrent/Makefile @@ -0,0 +1,2 @@ +# SPDX-License-Identifier: GPL-2.0 +dtb-$(CONFIG_ARCH_TENSTORRENT) += blackhole-card.dtb diff --git a/arch/riscv/boot/dts/tenstorrent/blackhole-card.dts b/arch/riscv/boot/dts/tenstorrent/blackhole-card.dts new file mode 100644 index 000000000000..f53667ce73a9 --- /dev/null +++ b/arch/riscv/boot/dts/tenstorrent/blackhole-card.dts @@ -0,0 +1,14 @@ +// SPDX-License-Identifier: (GPL-2.0 OR MIT) +/dts-v1/; + +#include "blackhole.dtsi" + +/ { + model = "Tenstorrent Blackhole"; + compatible = "tenstorrent,blackhole-card", "tenstorrent,blackhole"; + + memory@400030000000 { + device_type = "memory"; + reg = <0x4000 0x30000000 0x1 0x00000000>; + }; +}; diff --git a/arch/riscv/boot/dts/tenstorrent/blackhole.dtsi b/arch/riscv/boot/dts/tenstorrent/blackhole.dtsi new file mode 100644 index 000000000000..6408810d8d80 --- /dev/null +++ b/arch/riscv/boot/dts/tenstorrent/blackhole.dtsi @@ -0,0 +1,108 @@ +// SPDX-License-Identifier: (GPL-2.0 OR MIT) +// Copyright 2025 Tenstorrent AI ULC +/dts-v1/; + +/ { + compatible = "tenstorrent,blackhole"; + #address-cells = <2>; + #size-cells = <2>; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + timebase-frequency = <50000000>; + + cpu@0 { + compatible = "sifive,x280", "sifive,rocket0", "riscv"; + device_type = "cpu"; + reg = <0>; + mmu-type = "riscv,sv57"; + riscv,isa-base = "rv64i"; + riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "v", "zicsr", + "zifencei", "zfh", "zba", "zbb", "sscofpmf"; + + cpu0_intc: interrupt-controller { + compatible = "riscv,cpu-intc"; + #interrupt-cells = <1>; + interrupt-controller; + }; + }; + + cpu@1 { + compatible = "sifive,x280", "sifive,rocket0", "riscv"; + device_type = "cpu"; + reg = <1>; + mmu-type = "riscv,sv57"; + riscv,isa-base = "rv64i"; + riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "v", "zicsr", + "zifencei", "zfh", "zba", "zbb", "sscofpmf"; + + cpu1_intc: interrupt-controller { + compatible = "riscv,cpu-intc"; + #interrupt-cells = <1>; + interrupt-controller; + }; + }; + + cpu@2 { + compatible = "sifive,x280", "sifive,rocket0", "riscv"; + device_type = "cpu"; + reg = <2>; + mmu-type = "riscv,sv57"; + riscv,isa-base = "rv64i"; + riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "v", "zicsr", + "zifencei", "zfh", "zba", "zbb", "sscofpmf"; + + cpu2_intc: interrupt-controller { + compatible = "riscv,cpu-intc"; + #interrupt-cells = <1>; + interrupt-controller; + }; + }; + + cpu@3 { + compatible = "sifive,x280", "sifive,rocket0", "riscv"; + device_type = "cpu"; + reg = <3>; + mmu-type = "riscv,sv57"; + riscv,isa-base = "rv64i"; + riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "v", "zicsr", + "zifencei", "zfh", "zba", "zbb", "sscofpmf"; + + cpu3_intc: interrupt-controller { + compatible = "riscv,cpu-intc"; + #interrupt-cells = <1>; + interrupt-controller; + }; + }; + }; + + soc { + #address-cells = <2>; + #size-cells = <2>; + compatible = "simple-bus"; + ranges; + + clint0: timer@2000000 { + compatible = "tenstorrent,blackhole-clint", "sifive,clint0"; + reg = <0x0 0x2000000 0x0 0x10000>; + interrupts-extended = <&cpu0_intc 0x3>, <&cpu0_intc 0x7>, + <&cpu1_intc 0x3>, <&cpu1_intc 0x7>, + <&cpu2_intc 0x3>, <&cpu2_intc 0x7>, + <&cpu3_intc 0x3>, <&cpu3_intc 0x7>; + }; + + plic0: interrupt-controller@c000000 { + compatible = "tenstorrent,blackhole-plic", "sifive,plic-1.0.0"; + reg = <0x0 0x0c000000 0x0 0x04000000>; + interrupts-extended = <&cpu0_intc 11>, <&cpu0_intc 9>, + <&cpu1_intc 11>, <&cpu1_intc 9>, + <&cpu2_intc 11>, <&cpu2_intc 9>, + <&cpu3_intc 11>, <&cpu3_intc 9>; + interrupt-controller; + #interrupt-cells = <1>; + #address-cells = <0>; + riscv,ndev = <128>; + }; + }; +}; diff --git a/arch/riscv/configs/defconfig b/arch/riscv/configs/defconfig index fc2725cbca18..95d5230c0027 100644 --- a/arch/riscv/configs/defconfig +++ b/arch/riscv/configs/defconfig @@ -29,6 +29,7 @@ CONFIG_ARCH_SOPHGO=y CONFIG_ARCH_SPACEMIT=y CONFIG_SOC_STARFIVE=y CONFIG_ARCH_SUNXI=y +CONFIG_ARCH_TENSTORRENT=y CONFIG_ARCH_THEAD=y CONFIG_ARCH_VIRT=y CONFIG_ARCH_CANAAN=y |