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model_206ax: Fix APIC map when HT is disabled.

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Change-Id: Idd05a16bd9bd31438437ef229aa87f55da8489fb
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/10467
Tested-by: build bot (Jenkins)
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
This commit is contained in:
Vladimir Serbinenko 2015-06-08 20:06:48 +02:00
parent f34082c0e3
commit efc01f0d22
2 changed files with 30 additions and 18 deletions
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24
src/cpu/intel/fsp_model_206ax/model_206ax_init.c
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@ -36,8 +36,6 @@
#include "chip.h" #include "chip.h"
#include <cpu/intel/smm/gen1/smi.h> #include <cpu/intel/smm/gen1/smi.h>
#define CORE_THREAD_COUNT_MSR 0x35
static void enable_vmx(void) static void enable_vmx(void)
{ {
struct cpuid_result regs; struct cpuid_result regs;
@ -291,16 +289,24 @@ static void configure_mca(void)
int cpu_get_apic_id_map(int *apic_id_map) int cpu_get_apic_id_map(int *apic_id_map)
{ {
msr_t msr; struct cpuid_result result;
int num_cpus, i; unsigned threads_per_package, threads_per_core, i, shift = 0;
msr = rdmsr(CORE_THREAD_COUNT_MSR); /* Logical processors (threads) per core */
num_cpus = msr.lo & 0xffff; result = cpuid_ext(0xb, 0);
threads_per_core = result.ebx & 0xffff;
for (i = 0; i < num_cpus && i < CONFIG_MAX_CPUS; i++) /* Logical processors (threads) per package */
apic_id_map[i] = i; result = cpuid_ext(0xb, 1);
threads_per_package = result.ebx & 0xffff;
return num_cpus; if (threads_per_core == 1)
shift++;
for (i = 0; i < threads_per_package && i < CONFIG_MAX_CPUS; i++)
apic_id_map[i] = i << shift;
return threads_per_package;
} }
/* /*

24
src/cpu/intel/model_206ax/model_206ax_init.c
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@ -37,8 +37,6 @@
#include "chip.h" #include "chip.h"
#include <cpu/intel/smm/gen1/smi.h> #include <cpu/intel/smm/gen1/smi.h>
#define CORE_THREAD_COUNT_MSR 0x35
/* /*
* List of supported C-states in this processor * List of supported C-states in this processor
* *
@ -478,16 +476,24 @@ static void configure_mca(void)
int cpu_get_apic_id_map(int *apic_id_map) int cpu_get_apic_id_map(int *apic_id_map)
{ {
msr_t msr; struct cpuid_result result;
int num_cpus, i; unsigned threads_per_package, threads_per_core, i, shift = 0;
msr = rdmsr(CORE_THREAD_COUNT_MSR); /* Logical processors (threads) per core */
num_cpus = msr.lo & 0xffff; result = cpuid_ext(0xb, 0);
threads_per_core = result.ebx & 0xffff;
for (i = 0; i < num_cpus && i < CONFIG_MAX_CPUS; i++) /* Logical processors (threads) per package */
apic_id_map[i] = i; result = cpuid_ext(0xb, 1);
threads_per_package = result.ebx & 0xffff;
return num_cpus; if (threads_per_core == 1)
shift++;
for (i = 0; i < threads_per_package && i < CONFIG_MAX_CPUS; i++)
apic_id_map[i] = i << shift;
return threads_per_package;
} }
/* /*