acpi: Add SRAT x2APIC table support
For platforms using X2APIC mode add SRAT x2APIC table
generation. This allows to setup proper SRAT tables.
Change-Id: If78c423884b7ce9330f0f46998ac83da334ee26d
Signed-off-by: Naresh Solanki <Naresh.Solanki@9elements.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/73365
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
diff --git a/src/acpi/acpi.c b/src/acpi/acpi.c
index 04a59b1..2706bf7 100644
--- a/src/acpi/acpi.c
+++ b/src/acpi/acpi.c
@@ -531,6 +531,19 @@
return lapic->length;
}
+int acpi_create_srat_x2apic(acpi_srat_x2apic_t *x2apic, u32 node, u32 apic)
+{
+ memset((void *)x2apic, 0, sizeof(acpi_srat_x2apic_t));
+
+ x2apic->type = 2; /* Processor x2APIC structure */
+ x2apic->length = sizeof(acpi_srat_x2apic_t);
+ x2apic->flags = (1 << 0); /* Enabled (the use of this structure). */
+ x2apic->proximity_domain = node;
+ x2apic->x2apic_id = apic;
+
+ return x2apic->length;
+}
+
int acpi_create_srat_mem(acpi_srat_mem_t *mem, u8 node, u32 basek, u32 sizek,
u32 flags)
{