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-rw-r--r--src/southbridge/via/vt8237r/acpi/default_irq_route.asl88
-rw-r--r--src/southbridge/via/vt8237r/acpi/irqlinks.asl66
-rw-r--r--src/southbridge/via/vt8237r/acpi/lpc.asl47
3 files changed, 201 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 }
+ })
+
+ }
+}
diff --git a/src/southbridge/via/vt8237r/acpi/irqlinks.asl b/src/southbridge/via/vt8237r/acpi/irqlinks.asl
new file mode 100644
index 0000000000..6c4c89a77f
--- /dev/null
+++ b/src/southbridge/via/vt8237r/acpi/irqlinks.asl
@@ -0,0 +1,66 @@
+/*
+ * 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.
+ */
+
+#include <arch/x86/acpi/statdef.asl>
+
+/* Possible PNP IRQs */
+Name (PIRQ, ResourceTemplate () {
+ IRQ (Level, ActiveLow, Shared) {3, 4, 6, 7, 10, 11, 12}
+})
+
+#define IRQ_LINK(reg) \
+ Name (_HID, EisaId ("PNP0C0F")) \
+ Name (_UID, 1) \
+ \
+ Method (_STA, 0) { \
+ If (LEqual (reg, 0x00)) { \
+ Return (STA_DISABLED) \
+ } \
+ Return (STA_INVISIBLE) \
+ } \
+ \
+ Method (_PRS, 0) { \
+ Return (PIRQ) \
+ } \
+ \
+ Name (CRSA, ResourceTemplate () { \
+ IRQ (Level, ActiveLow, Shared) {} \
+ }) \
+ Method (_CRS, 0) { \
+ CreateWordField (CRSA, 0x1, AINT) \
+ ShiftLeft (One, reg, AINT) \
+ Return (CRSA) \
+ } \
+ \
+ Method (_SRS, 1) { \
+ CreateWordField (Arg0, 0x1, AINT) \
+ Store (Zero, Local0) \
+ Store (AINT, Local1) \
+ While (LNotEqual (Local1, One)) { \
+ ShiftRight (Local1, One, Local1) \
+ Increment (Local0) \
+ } \
+ Store (Local0, reg) \
+ } \
+ \
+ Method (_DIS, 0) { \
+ Store (Zero, reg) \
+ } \
+
+Device (LNKA) { IRQ_LINK (INTA) }
+Device (LNKB) { IRQ_LINK (INTB) }
+Device (LNKC) { IRQ_LINK (INTC) }
+Device (LNKD) { IRQ_LINK (INTD) }
diff --git a/src/southbridge/via/vt8237r/acpi/lpc.asl b/src/southbridge/via/vt8237r/acpi/lpc.asl
new file mode 100644
index 0000000000..f13a96bb29
--- /dev/null
+++ b/src/southbridge/via/vt8237r/acpi/lpc.asl
@@ -0,0 +1,47 @@
+/*
+ * 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.
+ */
+
+/* VT8237 ISA bridge */
+Device (ISAC)
+{
+ Name (_ADR, 0x00110000)
+
+ OperationRegion (ISAB, PCI_Config, 0x00, 0xEF)
+ Field (ISAB, DWordAcc, NoLock, Preserve) {
+
+ /* PCI PNP Interrupt Routing 1 */
+ Offset (0x55),
+ , 4, /* Reserved */
+ INTA, 4, /* PCI INTA# Routing */
+
+ /* PCI PNP Interrupt Routing 2 */
+ Offset (0x56),
+ INTB, 4, /* PCI INTB# Routing */
+ INTC, 4, /* PCI INTC# Routing */
+
+ /* PCI PNP Interrupt Routing 3 */
+ Offset (0x57),
+ , 4, /* Reserved */
+ INTD, 4, /* PCI INTD# Routing */
+
+ /* Miscellaneous Control 0 */
+ Offset (0x58),
+ , 6,
+ APIC, 1, /* Internal APIC Enable */
+ }
+
+ #include "irqlinks.asl"
+}