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authorAngel Pons <th3fanbus@gmail.com>2021-01-28 12:14:12 +0100
committerPatrick Georgi <pgeorgi@google.com>2021-02-01 09:04:25 +0000
commit3b7983a044d2fac04f2c59685774987d31e45083 (patch)
treeaebb1953b1728fbd4a136b4a39c9f872d87bdf2e /src/southbridge
parentcf445ea89b967a0a7a0d1b365c23d2d2802899ff (diff)
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>
Diffstat (limited to 'src/southbridge')
-rw-r--r--src/southbridge/intel/i82801ix/Makefile.inc4
-rw-r--r--src/southbridge/intel/i82801ix/madt.c32
2 files changed, 36 insertions, 0 deletions
diff --git a/src/southbridge/intel/i82801ix/Makefile.inc b/src/southbridge/intel/i82801ix/Makefile.inc
index 8eabd49300..dada88511d 100644
--- a/src/southbridge/intel/i82801ix/Makefile.inc
+++ b/src/southbridge/intel/i82801ix/Makefile.inc
@@ -24,6 +24,10 @@ ramstage-srcs += src/mainboard/$(MAINBOARDDIR)/hda_verb.c
smm-y += smihandler.c
+ifneq ($(CONFIG_BOARD_EMULATION_QEMU_X86_Q35),y)
+ramstage-y += madt.c
+endif
+
ifeq ($(CONFIG_SMM_ASEG),y)
ramstage-$(CONFIG_HAVE_SMI_HANDLER) += smi.c
ramstage-$(CONFIG_HAVE_SMI_HANDLER) += ../../../cpu/x86/smm/smmrelocate.S
diff --git a/src/southbridge/intel/i82801ix/madt.c b/src/southbridge/intel/i82801ix/madt.c
new file mode 100644
index 0000000000..f3a7da5d1e
--- /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;
+}