mainboard/starlabs: Add StarBook Mk V

Tested using MrChromeBox's `uefipayload_202107` branch:
* Windows 10
* Ubuntu 20.04
* MX Linux 19.4
* Manjaro 21

No known issues.

https://starlabs.systems/pages/starbook-specification

Signed-off-by: Sean Rhodes <sean@starlabs.systems>
Change-Id: I090971a9e8d2be5b08be886d00d304607304b645
Reviewed-on: https://review.coreboot.org/c/coreboot/+/56088
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

2 files changed, 49 insertions, 0 deletions

diff --git a/src/mainboard/starlabs/labtop/acpi/mainboard.asl b/src/mainboard/starlabs/labtop/acpi/mainboard.asl
new file mode 100644
index 0000000000..5bdde36bb7
--- /dev/null
+++ b/src/mainboard/starlabs/labtop/acpi/mainboard.asl
@@ -0,0 +1,34 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+Scope (\_SB) {
+	#include "sleep.asl"
+}
+
+/*
+ * This platform doesn't support SoundWire but there
+ * is a kernel bug in some 5.10.x releases.
+ *
+ * Debian testing live CD (at 4th Feb 2021) uses 5.10.9-1. More
+ * details can be found at https://bit.ly/3ttdffG but it appears to
+ * be triggered by missing SoundWire ACPI entries.
+ *
+ * Add the minimal set to make it work again.
+ */
+Scope (_SB.PCI0.HDAS)
+{
+	Device (SNDW)
+	{
+		Name (_ADR, 0x40000000)
+
+		Name (_CID, Package (0x02)
+		{
+			"PRP0001",
+			"PNP0A05"
+		})
+
+		Method (_STA, 0, NotSerialized)
+		{
+			Return (0x0B)
+		}
+	}
+}
diff --git a/src/mainboard/starlabs/labtop/acpi/sleep.asl b/src/mainboard/starlabs/labtop/acpi/sleep.asl
new file mode 100644
index 0000000000..9dc818d04d
--- /dev/null
+++ b/src/mainboard/starlabs/labtop/acpi/sleep.asl
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+Method (MPTS, 1, NotSerialized)
+{
+	If (Arg0)
+	{
+		RPTS (Arg0)
+	}
+}
+
+Method (MWAK, 1, NotSerialized)
+{
+	RWAK (Arg0)
+	Return (0x00)
+}