1 files changed, 17 insertions, 0 deletions
diff --git a/src/northbridge/amd/amdk8/coherent_ht.c b/src/northbridge/amd/amdk8/coherent_ht.c
index 8d85061f98..905d980f95 100644
--- a/src/northbridge/amd/amdk8/coherent_ht.c
+++ b/src/northbridge/amd/amdk8/coherent_ht.c
@@ -133,6 +133,23 @@ static void disable_probes(void)
 
 }
 
+#ifndef ENABLE_APIC_EXT_ID
+#define ENABLE_APIC_EXT_ID 0 
+#endif
+
+static void enable_apic_ext_id(u8 node)
+{
+#if ENABLE_APIC_EXT_ID==1
+#warning "FIXME Is the right place to enable apic ext id here?"
+
+        u32 val;
+
+        val = pci_read_config32(NODE_HT(node), 0x68);
+        val |= HTTC_APIC_EXT_ID | HTTC_APIC_EXT_BRD_CST ;
+        pci_write_config32(NODE_HT(node), 0x68, val);
+#endif
+}
+
 static void enable_routing(u8 node)
 {
 	u32 val;