1 files changed, 88 insertions, 0 deletions
diff --git a/src/southbridge/via/vt8237r/acpi/default_irq_route.asl b/src/southbridge/via/vt8237r/acpi/default_irq_route.asl
new file mode 100644
index 0000000000..2e9e76391a
--- /dev/null
+++ b/src/southbridge/via/vt8237r/acpi/default_irq_route.asl
@@ -0,0 +1,88 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2017 Lubomir Rintel <lkundrak@v3.sk>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+Method (_PRT, 0) {
+	If (LEqual (^ISAC.APIC, Zero)) {
+		Return (Package (20) {
+			/* AGP bridge */
+			Package (4) { 0x0001ffff, 0, ^ISAC.LNKA, 0x00 },
+			Package (4) { 0x0001ffff, 1, ^ISAC.LNKB, 0x00 },
+			Package (4) { 0x0001ffff, 2, ^ISAC.LNKC, 0x00 },
+			Package (4) { 0x0001ffff, 3, ^ISAC.LNKD, 0x00 },
+
+			/* IDE interface */
+			Package (4) { 0x000fffff, 0, ^ISAC.LNKA, 0x00 },
+			Package (4) { 0x000fffff, 1, ^ISAC.LNKB, 0x00 },
+			Package (4) { 0x000fffff, 2, ^ISAC.LNKC, 0x00 },
+			Package (4) { 0x000fffff, 3, ^ISAC.LNKD, 0x00 },
+
+			/* USB controller */
+			Package (4) { 0x0010ffff, 0, ^ISAC.LNKA, 0x00 },
+			Package (4) { 0x0010ffff, 1, ^ISAC.LNKB, 0x00 },
+			Package (4) { 0x0010ffff, 2, ^ISAC.LNKC, 0x00 },
+			Package (4) { 0x0010ffff, 3, ^ISAC.LNKD, 0x00 },
+
+			/* Audio (& LPC bridge) */
+			Package (4) { 0x0011ffff, 0, ^ISAC.LNKA, 0x00 },
+			Package (4) { 0x0011ffff, 1, ^ISAC.LNKB, 0x00 },
+			Package (4) { 0x0011ffff, 2, ^ISAC.LNKC, 0x00 },
+			Package (4) { 0x0011ffff, 3, ^ISAC.LNKD, 0x00 },
+
+			/* Ethernet controller */
+			Package (4) { 0x0012ffff, 0, ^ISAC.LNKA, 0x00 },
+			Package (4) { 0x0012ffff, 1, ^ISAC.LNKB, 0x00 },
+			Package (4) { 0x0012ffff, 2, ^ISAC.LNKC, 0x00 },
+			Package (4) { 0x0012ffff, 3, ^ISAC.LNKD, 0x00 }
+		})
+	} Else {
+		/* "Table 9. APIC Fixed IRQ Routing
+		 * When the internal APIC is enabled, internal IRQ
+		 * routing to the APIC is fixed as follows:" */
+		Return (Package (20) {
+			/* The graphics controller behind the AGP bridge */
+			/* INTA# => IRQ16 INTB# => IRQ17 INTC# => IRQ18 INTD# => IRQ19 */
+			Package (4) { 0x0001ffff, 0, 0x00, 16 },
+			Package (4) { 0x0001ffff, 1, 0x00, 17 },
+			Package (4) { 0x0001ffff, 2, 0x00, 18 },
+			Package (4) { 0x0001ffff, 3, 0x00, 19 },
+
+			/* IDE (Native Mode)/SATA IRQ & INTE => IRQ20 */
+			Package (4) { 0x000fffff, 0, 0x00, 20 },
+			Package (4) { 0x000fffff, 1, 0x00, 20 },
+			Package (4) { 0x000fffff, 2, 0x00, 20 },
+			Package (4) { 0x000fffff, 3, 0x00, 20 },
+
+			/* USB IRQ (all 5 functions) and INTF => IRQ21 */
+			Package (4) { 0x0010ffff, 0, 0x00, 21 },
+			Package (4) { 0x0010ffff, 1, 0x00, 21 },
+			Package (4) { 0x0010ffff, 2, 0x00, 21 },
+			Package (4) { 0x0010ffff, 3, 0x00, 21 },
+
+			/* AC’97 / MC’97 IRQ and INTG => IRQ22 */
+			Package (4) { 0x0011ffff, 0, 0x00, 22 },
+			Package (4) { 0x0011ffff, 1, 0x00, 22 },
+			Package (4) { 0x0011ffff, 2, 0x00, 22 },
+			Package (4) { 0x0011ffff, 3, 0x00, 22 },
+
+			/* LAN IRQ and INTH => IRQ23 */
+			Package (4) { 0x0012ffff, 0, 0x00, 23 },
+			Package (4) { 0x0012ffff, 1, 0x00, 23 },
+			Package (4) { 0x0012ffff, 2, 0x00, 23 },
+			Package (4) { 0x0012ffff, 3, 0x00, 23 }
+		})
+
+	}
+}