tests/functional/riscv64: Add tt-atlantis tests

Add OpenSBI and Linux boot tests for the tt-atlantis machine. Based on
tests/functional/riscv64/test_sifive_u.py.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Message-ID: <20260630024952.1520546-10-joel@jms.id.au>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

MAINTAINERS

@@ -1801,6 +1801,7 @@ S: Supported
 F: docs/system/riscv/tt_*.rst
 F: hw/riscv/tt_*.c
 F: include/hw/riscv/tt_*.h
+F: tests/functional/riscv64/test_tt_*.py
 
 AMD Microblaze-V Generic Board
 M: Sai Pavan Boddu <sai.pavan.boddu@amd.com>

tests/functional/riscv64/meson.build

@@ -14,5 +14,6 @@ tests_riscv64_system_thorough = [
   'endianness',
   'boston',
   'sifive_u',
+  'tt_atlantis',
   'tuxrun',
 ]

tests/functional/riscv64/test_opensbi.py

@@ -28,6 +28,10 @@ def test_riscv_sifive_u(self):
         self.set_machine('sifive_u')
         self.boot_opensbi()
 
+    def test_riscv_tt_atlantis(self):
+        self.set_machine('tt-atlantis')
+        self.boot_opensbi()
+
     def test_riscv_virt(self):
         self.set_machine('virt')
         self.boot_opensbi()

tests/functional/riscv64/test_tt_atlantis.py

@@ -0,0 +1,57 @@
+#!/usr/bin/env python3
+#
+# Functional test that boots a Linux kernel on a Tenstorrent Atlantis machine
+# and checks the console
+#
+# Copyright (c) Linaro Ltd.
+# Copyright 2026 Tenstorrent
+#
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+from qemu_test import Asset, LinuxKernelTest
+
+
+class TTAtlantis(LinuxKernelTest):
+
+    ASSET_KERNEL = Asset(
+        'https://storage.tuxboot.com/kernels/6.11.9/riscv64/Image',
+        '174f8bb87f08961e54fa3fcd954a8e31f4645f6d6af4dd43983d5e9841490fb0')
+    ASSET_ROOTFS = Asset(
+        ('https://github.com/groeck/linux-build-test/raw/'
+         '9819da19e6eef291686fdd7b029ea00e764dc62f/rootfs/riscv64/'
+         'rootfs.ext2.gz'),
+        'b6ed95610310b7956f9bf20c4c9c0c05fea647900df441da9dfe767d24e8b28b')
+
+    def do_test_riscv64_tt_atlantis(self, connect_disk):
+        self.set_machine('tt-atlantis')
+        kernel_path = self.ASSET_KERNEL.fetch()
+        rootfs_path = self.uncompress(self.ASSET_ROOTFS)
+
+        self.vm.set_console()
+        kernel_command_line = self.KERNEL_COMMON_COMMAND_LINE + 'earlycon=sbi '
+
+        if connect_disk:
+            kernel_command_line += 'root=/dev/vda panic=-1 noreboot rootwait '
+            self.vm.add_args('-device',
+                             'virtio-blk,drive=drive0,serial=0x1234,bus=pcie.0')
+            self.vm.add_args('-drive',
+                             f'file={rootfs_path},if=none,id=drive0,format=raw')
+            pattern = 'Boot successful.'
+        else:
+            kernel_command_line += 'panic=0 noreboot '
+            pattern = 'Cannot open root device'
+
+        self.vm.add_args('-kernel', kernel_path,
+                         '-append', kernel_command_line,
+                         '-no-reboot')
+
+        self.vm.launch()
+        self.wait_for_console_pattern(pattern)
+
+    def test_riscv64_tt_atlantis(self):
+        # tt-atlantis machine has no PCI host yet, so no disk
+        self.do_test_riscv64_tt_atlantis(False)
+
+
+if __name__ == '__main__':
+    LinuxKernelTest.main()