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AMD northbridges: drop dead code 

Change-Id: I03949722ac3a127319a0ad3f812d77ba7b8f139f
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/1187
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
This commit is contained in:
Kyösti Mälkki 2012-07-16 23:00:04 +03:00 committed by Patrick Georgi
parent 41c229c029
commit 07284633d8
1 changed files with 0 additions and 86 deletions
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86
src/cpu/amd/dualcore/amd_sibling.c
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@ -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