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authorNaresh Solanki <Naresh.Solanki@9elements.com>2023-01-20 19:13:02 +0100
committerFelix Held <felix-coreboot@felixheld.de>2023-03-03 17:08:27 +0000
commit76835cc678c704e3b96b7b72108f577e50d1dbce (patch)
treed28f7e6e746060276e49a7885499e4b7f14a2391 /src/acpi/acpi.c
parent87d97ffe16c7644ffca4d91b8be498041b7dc4a7 (diff)
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>
Diffstat (limited to 'src/acpi/acpi.c')
-rw-r--r--src/acpi/acpi.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/src/acpi/acpi.c b/src/acpi/acpi.c
index 04a59b1767..2706bf7f15 100644
--- a/src/acpi/acpi.c
+++ b/src/acpi/acpi.c
@@ -531,6 +531,19 @@ int acpi_create_srat_lapic(acpi_srat_lapic_t *lapic, u8 node, u8 apic)
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)
{