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platform: generic: Tenstorrent Atlantis support

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Add the Tenstorrent Atlantis as a generic-platform. This initial support
enables the single_fw_region option, and verifies and prints HART PMA
CSR configuration.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Link: https://lore.kernel.org/r/20260424062520.238403-1-npiggin@gmail.com
Signed-off-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Nicholas Piggin
2026-04-24 16:25:19 +10:00
committed by Anup Patel
parent 1932ee3f0a
commit 6767861c48
11 changed files with 331 additions and 0 deletions
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docs/platform/generic.md
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@@ -47,6 +47,7 @@ RISC-V Platforms Using Generic Platform
* **SiFive HiFive Unleashed** (*[sifive_fu540.md]*)
* **Spike** (*[spike.md]*)
* **T-HEAD C9xx series Processors** (*[thead-c9xx.md]*)
* **Tenstorrent Atlantis Platform** (*[tt-atlantis.md]*)
* **OpenPiton FPGA SoC** (*[fpga-openpiton.md]*)
* **Ariane FPGA SoC** (*[fpga-ariane.md]*)
@@ -57,5 +58,6 @@ RISC-V Platforms Using Generic Platform
[sifive_fu540.md]: sifive_fu540.md
[spike.md]: spike.md
[thead-c9xx.md]: thead-c9xx.md
[tt-atlantis.md]: tt-atlantis.md
[fpga-openpiton.md]: fpga-openpiton.md
[fpga-ariane.md]: fpga-ariane.md
docs/platform/tt-atlantis.md
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@@ -0,0 +1,35 @@
Tenstorrent Atlantis Platform
=============================
The Tenstorrent Atlantis is an SoC and development board from
Tenstorrent in partnership with CoreLab Technology. It contains 8 RISC-V
RVA23 compliant Tenstorrent Ascalon cores with RISC-V AIA, RISC-V IOMMU,
and a range of devices and IO connectivity.
To build the platform-specific library and firmware images, provide the
*PLATFORM=generic* parameter to the top level `make` command.
Platform Options
----------------
The *Tenstorrent Atlantis* platform does not have any platform-specific
options.
Building Tenstorrent Atlantis Platform
--------------------------------------
The Atlantis Platform is still under development. This section will be
expanded as firmware and support become available.
QEMU support is currently being developed and initial support has been
proposed for upstream. To run QEMU that is patched with 'tt-atlantis'
machine support, run:
```
qemu-system-riscv64 -M tt-atlantis -nographic \
-bios build/platform/generic/firmware/fw_payload.bin \
-kernel <linux_build_dir>/Image
```
Recent (6.18) Linux/riscv 64-bit defconfig kernels should run the QEMU
tt-atlantis machine.