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-rw-r--r--src/northbridge/amd/amdfam10/northbridge.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/northbridge/amd/amdfam10/northbridge.c b/src/northbridge/amd/amdfam10/northbridge.c
index 563f21b107..3b747bd5ec 100644
--- a/src/northbridge/amd/amdfam10/northbridge.c
+++ b/src/northbridge/amd/amdfam10/northbridge.c
@@ -1637,7 +1637,9 @@ static void cpu_bus_scan(device_t dev)
}
} else {
if (fam15h) {
- apic_id = (i * (siblings + 1)) + j;
+ apic_id = 0;
+ apic_id |= (i & 0x7) << 4; /* Node ID */
+ apic_id |= j & 0xf; /* Core ID */
} else {
apic_id = i * (nb_cfg_54?(siblings+1):1) + j * (nb_cfg_54?1:64); // ?
}