mb/system76/rpl: Add Gazelle 18

The Gazelle 18 (gaze18) is a Raptor Lake-H board.

Tested with a custom TianoCore UefiPayloadPkg.

Working:

- PS/2 keyboard
- I2C HID touchpad
- Both DIMM slots
- M.2 NVMe SSD slot
- M.2 SATA SSD slot
- All USB ports
- Webcam
- Ethernet
- WiFi/Bluetooth
- Integrated graphics using Intel GOP driver
- Internal microphone
- Internal speakers
- Combined headphone + mic 3.5mm audio
- 3.5mm microphone input
- S3 suspend/resume
- Booting Pop!_OS Linux 22.04 with kernel 6.2.6

Not working:

- Discrete/Hybrid graphics

Change-Id: I4599bf12c0f3048f9328f336cc8971400f5fd1a0
Signed-off-by: Tim Crawford <tcrawford@system76.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/73395
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
Reviewed-by: Jeremy Soller <jeremy@system76.com>

3 files changed, 52 insertions, 0 deletions

diff --git a/src/mainboard/system76/rpl/acpi/backlight.asl b/src/mainboard/system76/rpl/acpi/backlight.asl
new file mode 100644
index 0000000000..f020234450
--- /dev/null
+++ b/src/mainboard/system76/rpl/acpi/backlight.asl
@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <drivers/intel/gma/acpi/gma.asl>
+
+Scope (GFX0)
+{
+	Name (BRIG, Package (22) {
+		40, /* default AC */
+		40, /* default Battery */
+		5,
+		10,
+		15,
+		20,
+		25,
+		30,
+		35,
+		40,
+		45,
+		50,
+		55,
+		60,
+		65,
+		70,
+		75,
+		80,
+		85,
+		90,
+		95,
+		100
+	})
+}
diff --git a/src/mainboard/system76/rpl/acpi/mainboard.asl b/src/mainboard/system76/rpl/acpi/mainboard.asl
new file mode 100644
index 0000000000..c982a9ee4c
--- /dev/null
+++ b/src/mainboard/system76/rpl/acpi/mainboard.asl
@@ -0,0 +1,12 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#define EC_GPE_SCI 0x6E
+#define EC_GPE_SWI 0x6B
+#include <ec/system76/ec/acpi/ec.asl>
+
+Scope (\_SB) {
+	#include "sleep.asl"
+	Scope (PCI0) {
+		#include "backlight.asl"
+	}
+}
diff --git a/src/mainboard/system76/rpl/acpi/sleep.asl b/src/mainboard/system76/rpl/acpi/sleep.asl
new file mode 100644
index 0000000000..8a2a22c55b
--- /dev/null
+++ b/src/mainboard/system76/rpl/acpi/sleep.asl
@@ -0,0 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+External(\TBTS, MethodObj)
+
+Method(MPTS, 1, Serialized) {
+	If (CondRefOf(\TBTS)) {
+		\TBTS()
+	}
+}