diff options
Diffstat (limited to 'resources/libreboot/patch/coreboot/369b561315ca68d0cdedc38208105a513c7139b5/grub/kcma-d8/0017-cpu-amd-fam10h-fam15h-Correctly-create-APIC-ID-on-si.patch')
| -rw-r--r-- | resources/libreboot/patch/coreboot/369b561315ca68d0cdedc38208105a513c7139b5/grub/kcma-d8/0017-cpu-amd-fam10h-fam15h-Correctly-create-APIC-ID-on-si.patch | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/resources/libreboot/patch/coreboot/369b561315ca68d0cdedc38208105a513c7139b5/grub/kcma-d8/0017-cpu-amd-fam10h-fam15h-Correctly-create-APIC-ID-on-si.patch b/resources/libreboot/patch/coreboot/369b561315ca68d0cdedc38208105a513c7139b5/grub/kcma-d8/0017-cpu-amd-fam10h-fam15h-Correctly-create-APIC-ID-on-si.patch new file mode 100644 index 0000000..987f041 --- /dev/null +++ b/resources/libreboot/patch/coreboot/369b561315ca68d0cdedc38208105a513c7139b5/grub/kcma-d8/0017-cpu-amd-fam10h-fam15h-Correctly-create-APIC-ID-on-si.patch @@ -0,0 +1,59 @@ +From eb9dc9e1f48f8f6bdb7e97a2d0ec4b5db93db0e0 Mon Sep 17 00:00:00 2001 +From: Timothy Pearson <tpearson@raptorengineeringinc.com> +Date: Tue, 24 Nov 2015 14:11:53 -0600 +Subject: [PATCH 17/45] cpu/amd/fam10h-fam15h: Correctly create APIC ID on + single node systems + +The existing code generated an incorrect boot APIC ID from node and +core number for single node packages, leading to a boot failure when +the second node was installed. + +Properly generate the boot APIC ID from node and core number. + +Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com> +--- + src/cpu/amd/family_10h-family_15h/init_cpus.c | 6 +++++- + 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 1794072..5a67601 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 b376171..35d0925 100644 +--- a/src/northbridge/amd/amdfam10/northbridge.c ++++ b/src/northbridge/amd/amdfam10/northbridge.c +@@ -1636,7 +1636,9 @@ 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); // ? + } +-- +2.1.4 + |