sb/intel: Factor out ICH ACPI for HDA

Files are identical between all three southbridges, and differ for PCH.

Change-Id: Ic6a926af675bda3db3a5795df9e8f490caf3ebf4
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/43156
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

1 files changed, 16 insertions, 0 deletions

diff --git a/src/southbridge/intel/common/acpi/audio_ich.asl b/src/southbridge/intel/common/acpi/audio_ich.asl
new file mode 100644
index 0000000000..b9c256c644
--- /dev/null
+++ b/src/southbridge/intel/common/acpi/audio_ich.asl
@@ -0,0 +1,16 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+/* Intel ICH HDA */
+
+// Intel High Definition Audio (Azalia) 0:1b.0
+
+Device (HDEF)
+{
+	Name (_ADR, 0x001b0000)
+
+	// Power Resources for Wake
+	Name (_PRW, Package(){
+		5,  // Bit 5 of GPE
+		4   // Can wake from S4 state.
+	})
+}