mb/biostar: Add TH61-ITX port

- CPU: only tested with a Xeon E3-1220 (Sandy Bridge)
- RAM: native raminit tested (4G+4G, 8G+8G)
- USB: both chipset and ASMedia USB3 work, tested in SeaBIOS and Linux (5.4)
- LAN: tested in Linux
- SATA: all 4 ports work, tested in SeaBIOS and Linux
- iGPU: I can't test it as I only have a Xeon for this socket
- PEG: tested with an nVidia GT210, initialized by SeaBIOS
- PS2 keyboard and mouse combo port: no devices to test with
- Front panel header: tested, works
- Audio: tested, works
- Diagnostic LEDs: TBD

Change-Id: I9fd3c0b148b694fcb8e728cc17f0bd45eb5af9f2
Signed-off-by: Mate Kukri <kukri.mate@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/43165
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

3 files changed, 16 insertions, 0 deletions

diff --git a/src/mainboard/biostar/th61-itx/acpi/ec.asl b/src/mainboard/biostar/th61-itx/acpi/ec.asl
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/src/mainboard/biostar/th61-itx/acpi/ec.asl
diff --git a/src/mainboard/biostar/th61-itx/acpi/platform.asl b/src/mainboard/biostar/th61-itx/acpi/platform.asl
new file mode 100644
index 0000000000..bbee0a2787
--- /dev/null
+++ b/src/mainboard/biostar/th61-itx/acpi/platform.asl
@@ -0,0 +1,16 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+/* The _PTS method (Prepare To Sleep) is called before the OS is
+ * entering a sleep state. The sleep state number is passed in Arg0
+ */
+
+Method(_PTS,1)
+{
+}
+
+/* The _WAK method is called on system wakeup */
+
+Method(_WAK,1)
+{
+	Return(Package(){0,0})
+}
diff --git a/src/mainboard/biostar/th61-itx/acpi/superio.asl b/src/mainboard/biostar/th61-itx/acpi/superio.asl
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/src/mainboard/biostar/th61-itx/acpi/superio.asl