diff options
| -rw-r--r-- | MAINTAINERS | 1 | ||||
| -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 |
5 files changed, 126 insertions, 0 deletions
diff --git a/MAINTAINERS b/MAINTAINERS index 5a29636b2df0..b49471cc3139 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -22165,6 +22165,7 @@ 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> 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>; + }; + }; +}; |