sb/intel/i82801ix: Factor out common `acpi_fill_madt`
It is the same for all three mainboards.
Change-Id: Ic5786bcc29e2549d6fc935d60c699c1cab84b237
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50027
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/southbridge/intel/i82801ix/madt.c b/src/southbridge/intel/i82801ix/madt.c
new file mode 100644
index 0000000..f3a7da5
--- /dev/null
+++ b/src/southbridge/intel/i82801ix/madt.c
@@ -0,0 +1,32 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <acpi/acpi.h>
+#include <arch/ioapic.h>
+#include <arch/smp/mpspec.h>
+
+unsigned long acpi_fill_madt(unsigned long current)
+{
+ /* Local APICs */
+ current = acpi_create_madt_lapics(current);
+
+ /* IOAPIC */
+ current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current,
+ 2, IO_APIC_ADDR, 0);
+
+ /* LAPIC_NMI */
+ current += acpi_create_madt_lapic_nmi((acpi_madt_lapic_nmi_t *)
+ current, 0,
+ MP_IRQ_POLARITY_HIGH |
+ MP_IRQ_TRIGGER_EDGE, 0x01);
+ current += acpi_create_madt_lapic_nmi((acpi_madt_lapic_nmi_t *)
+ current, 1, MP_IRQ_POLARITY_HIGH |
+ MP_IRQ_TRIGGER_EDGE, 0x01);
+
+ /* INT_SRC_OVR */
+ current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *)
+ current, 0, 0, 2, MP_IRQ_POLARITY_HIGH | MP_IRQ_TRIGGER_EDGE);
+ current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *)
+ current, 0, 9, 9, MP_IRQ_POLARITY_HIGH | MP_IRQ_TRIGGER_LEVEL);
+
+ return current;
+}