diff options
-rw-r--r-- | src/cpu/amd/family_10h-family_15h/init_cpus.c | 6 | ||||
-rw-r--r-- | src/northbridge/amd/amdfam10/northbridge.c | 4 |
2 files changed, 8 insertions, 2 deletions
diff --git a/src/cpu/amd/family_10h-family_15h/init_cpus.c b/src/cpu/amd/family_10h-family_15h/init_cpus.c index 1794072a64..5a676015ee 100644 --- a/src/cpu/amd/family_10h-family_15h/init_cpus.c +++ b/src/cpu/amd/family_10h-family_15h/init_cpus.c @@ -127,13 +127,17 @@ uint32_t get_boot_apic_id(uint8_t node, uint32_t core) { } } else { if (fam15h) { - ap_apicid = (node * (siblings + 1)) + core; + ap_apicid = 0; + ap_apicid |= (node & 0x7) << 4; /* Node ID */ + ap_apicid |= core & 0xf; /* Core ID */ } else { ap_apicid = node * (nb_cfg_54 ? (siblings + 1) : 1) + core * (nb_cfg_54 ? 1 : 64); } } + printk(BIOS_DEBUG, "%s: using %d as APIC ID for node %d, core %d\n", __func__, ap_apicid, node, core); + return ap_apicid; } 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); // ? } |