diff options
Diffstat (limited to 'src/cpu/amd')
| -rw-r--r-- | src/cpu/amd/dualcore/amd_sibling.c | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/src/cpu/amd/dualcore/amd_sibling.c b/src/cpu/amd/dualcore/amd_sibling.c index af96265d6c..13b9e378f3 100644 --- a/src/cpu/amd/dualcore/amd_sibling.c +++ b/src/cpu/amd/dualcore/amd_sibling.c @@ -116,89 +116,3 @@ unsigned get_apicid_base(unsigned ioapic_num) return apicid_base; } -#if 0 -static int first_time = 1; - -void amd_sibling_init(device_t cpu) -{ - unsigned i, siblings; - struct cpuid_result result; - unsigned nb_cfg_54; - struct node_core_id id; - - /* On the bootstrap processor see if I want sibling cpus enabled */ - if (first_time) { - first_time = 0; - get_option(&disable_siblings, "multi_core"); - } - result = cpuid(0x80000008); - /* See how many sibling cpus we have */ - /* Is dualcore supported */ - siblings = (result.ecx & 0xff); - if ( siblings < 1) { - return; - } - -#if 1 - printk(BIOS_DEBUG, "CPU: %u %d siblings\n", - cpu->path.apic.apic_id, - siblings); -#endif - - nb_cfg_54 = read_nb_cfg_54(); -#if 1 - id = get_node_core_id(nb_cfg_54); // pre e0 nb_cfg_54 can not be set - - /* See if I am a sibling cpu */ - //if ((cpu->path.apic.apic_id>>(nb_cfg_54?0:3)) & siblings ) { // siblings = 1, 3, 7, 15,.... - //if ( ( (cpu->path.apic.apic_id>>(nb_cfg_54?0:3)) % (siblings+1) ) != 0 ) { - if(id.coreid != 0) { - if (disable_siblings) { - cpu->enabled = 0; - } - return; - } -#endif - - /* I am the primary cpu start up my siblings */ - - for(i = 1; i <= siblings; i++) { - struct device_path cpu_path; - device_t new; - /* Build the cpu device path */ - cpu_path.type = DEVICE_PATH_APIC; - cpu_path.apic.apic_id = cpu->path.apic.apic_id + i * (nb_cfg_54?1:8); - if(id.nodeid == 0) { - // need some special processing, because may the bsp is not lifted, but the core1 is lifted - //defined in northbridge.c - if(sysconf.enabled_apic_ext_id && (!sysconf.lift_bsp_apicid)) { - cpu->path.apic.apic_id += sysconf.apicid_offset; - } - - } - - - /* See if I can find the cpu */ - new = find_dev_path(cpu->bus, &cpu_path); - /* Allocate the new cpu device structure */ - if(!new) { - new = alloc_dev(cpu->bus, &cpu_path); - new->enabled = 1; - new->initialized = 0; - } - - new->path.apic.node_id = cpu->path.apic.node_id; - new->path.apic.core_id = i; - -#if 1 - printk(BIOS_DEBUG, "CPU: %u has sibling %u\n", - cpu->path.apic.apic_id, - new->path.apic.apic_id); -#endif - - if(new->enabled && !new->initialized) - start_cpu(new); - } -} -#endif - |