diff options
Diffstat (limited to 'src/cpu/intel/model_2065x')
| -rw-r--r-- | src/cpu/intel/model_2065x/Kconfig | 1 | ||||
| -rw-r--r-- | src/cpu/intel/model_2065x/model_2065x.h | 1 | ||||
| -rw-r--r-- | src/cpu/intel/model_2065x/model_2065x_init.c | 153 |
3 files changed, 72 insertions, 83 deletions
diff --git a/src/cpu/intel/model_2065x/Kconfig b/src/cpu/intel/model_2065x/Kconfig index ba2b7de74d..707713c697 100644 --- a/src/cpu/intel/model_2065x/Kconfig +++ b/src/cpu/intel/model_2065x/Kconfig @@ -20,6 +20,7 @@ config CPU_SPECIFIC_OPTIONS select TSC_SYNC_MFENCE select CPU_INTEL_COMMON select NO_FIXED_XIP_ROM_SIZE + select PARALLEL_MP config BOOTBLOCK_CPU_INIT string diff --git a/src/cpu/intel/model_2065x/model_2065x.h b/src/cpu/intel/model_2065x/model_2065x.h index 1e6a311910..904e794219 100644 --- a/src/cpu/intel/model_2065x/model_2065x.h +++ b/src/cpu/intel/model_2065x/model_2065x.h @@ -20,6 +20,7 @@ /* Nehalem bus clock is fixed at 133MHz */ #define NEHALEM_BCLK 133 +#define CORE_THREAD_COUNT_MSR 0x35 #define MSR_FEATURE_CONFIG 0x13c #define MSR_FLEX_RATIO 0x194 #define FLEX_RATIO_LOCK (1 << 20) diff --git a/src/cpu/intel/model_2065x/model_2065x_init.c b/src/cpu/intel/model_2065x/model_2065x_init.c index f08a058a57..d8de7c055f 100644 --- a/src/cpu/intel/model_2065x/model_2065x_init.c +++ b/src/cpu/intel/model_2065x/model_2065x_init.c @@ -15,6 +15,7 @@ * GNU General Public License for more details. */ +#include <assert.h> #include <console/console.h> #include <device/device.h> #include <arch/acpi.h> @@ -22,6 +23,7 @@ #include <cpu/x86/mtrr.h> #include <cpu/x86/msr.h> #include <cpu/x86/lapic.h> +#include <cpu/x86/mp.h> #include <cpu/intel/microcode.h> #include <cpu/intel/speedstep.h> #include <cpu/intel/turbo.h> @@ -109,29 +111,6 @@ static acpi_cstate_t cstate_map[] = { { 0 } }; -int cpu_get_apic_id_map(int *apic_id_map) -{ - int i; - struct cpuid_result result; - unsigned int threads_per_package, threads_per_core; - - /* Logical processors (threads) per core */ - result = cpuid_ext(0xb, 0); - threads_per_core = result.ebx & 0xffff; - - /* Logical processors (threads) per package */ - result = cpuid_ext(0xb, 1); - threads_per_package = result.ebx & 0xffff; - - for (i = 0; i < threads_per_package && i < CONFIG_MAX_CPUS; ++i) { - apic_id_map[i] = (i % threads_per_core) - + ((i / threads_per_core) << 2); - } - - return threads_per_package; -} - - int cpu_config_tdp_levels(void) { msr_t platform_info; @@ -250,58 +229,6 @@ static void configure_mca(void) wrmsr(IA32_MC0_STATUS + (i * 4), msr); } -/* - * Initialize any extra cores/threads in this package. - */ -static void intel_cores_init(struct device *cpu) -{ - struct cpuid_result result; - unsigned int threads_per_package, threads_per_core, i; - - /* Logical processors (threads) per core */ - result = cpuid_ext(0xb, 0); - threads_per_core = result.ebx & 0xffff; - - /* Logical processors (threads) per package */ - result = cpuid_ext(0xb, 1); - threads_per_package = result.ebx & 0xffff; - - /* Only initialize extra cores from BSP */ - if (cpu->path.apic.apic_id) - return; - - printk(BIOS_DEBUG, "CPU: %u has %u cores, %u threads per core\n", - cpu->path.apic.apic_id, threads_per_package/threads_per_core, - threads_per_core); - - for (i = 1; i < threads_per_package; ++i) { - struct device_path cpu_path; - struct device *new; - - /* Build the CPU device path */ - cpu_path.type = DEVICE_PATH_APIC; - cpu_path.apic.apic_id = - cpu->path.apic.apic_id + (i % threads_per_core) - + ((i / threads_per_core) << 2); - - /* Allocate the new CPU device structure */ - new = alloc_dev(cpu->bus, &cpu_path); - if (!new) - continue; - - printk(BIOS_DEBUG, "CPU: %u has core %u\n", - cpu->path.apic.apic_id, - new->path.apic.apic_id); - - /* Start the new CPU */ - if (is_smp_boot() && !start_cpu(new)) { - /* Record the error in cpu? */ - printk(BIOS_ERR, "CPU %u would not start!\n", - new->path.apic.apic_id); - } - } -} - static void model_2065x_init(struct device *cpu) { char processor_name[49]; @@ -309,8 +236,6 @@ static void model_2065x_init(struct device *cpu) /* Turn on caching if we haven't already */ x86_enable_cache(); - intel_update_microcode_from_cbfs(); - /* Clear out pending MCEs */ configure_mca(); @@ -320,10 +245,6 @@ static void model_2065x_init(struct device *cpu) printk(BIOS_INFO, "CPU:lapic=%ld, boot_cpu=%d\n", lapicid(), boot_cpu()); - /* Setup MTRRs based on physical address size */ - x86_setup_mtrrs_with_detect(); - x86_mtrr_check(); - /* Setup Page Attribute Tables (PAT) */ // TODO set up PAT @@ -348,9 +269,75 @@ static void model_2065x_init(struct device *cpu) /* Enable Turbo */ enable_turbo(); +} - /* Start up extra cores */ - intel_cores_init(cpu); +/* MP initialization support. */ +static const void *microcode_patch; + +static void pre_mp_init(void) +{ + /* Setup MTRRs based on physical address size. */ + x86_setup_mtrrs_with_detect(); + x86_mtrr_check(); +} + +static int get_cpu_count(void) +{ + msr_t msr; + int num_threads; + int num_cores; + + msr = rdmsr(CORE_THREAD_COUNT_MSR); + num_threads = (msr.lo >> 0) & 0xffff; + num_cores = (msr.lo >> 16) & 0xffff; + printk(BIOS_DEBUG, "CPU has %u cores, %u threads enabled.\n", + num_cores, num_threads); + + return num_threads; +} + +static void get_microcode_info(const void **microcode, int *parallel) +{ + microcode_patch = intel_microcode_find(); + *microcode = microcode_patch; + *parallel = 1; +} + +static void per_cpu_smm_trigger(void) +{ + /* Relocate the SMM handler. */ + smm_relocate(); + + /* After SMM relocation a 2nd microcode load is required. */ + intel_microcode_load_unlocked(microcode_patch); +} + +static void post_mp_init(void) +{ + /* Now that all APs have been relocated as well as the BSP let SMIs + * start flowing. */ + southbridge_smm_init(); + + /* Lock down the SMRAM space. */ + smm_lock(); +} + + +static const struct mp_ops mp_ops = { + .pre_mp_init = pre_mp_init, + .get_cpu_count = get_cpu_count, + .get_smm_info = smm_info, + .get_microcode_info = get_microcode_info, + .pre_mp_smm_init = smm_initialize, + .per_cpu_smm_trigger = per_cpu_smm_trigger, + .relocation_handler = smm_relocation_handler, + .post_mp_init = post_mp_init, +}; + +void bsp_init_and_start_aps(struct bus *cpu_bus) +{ + if (mp_init_with_smm(cpu_bus, &mp_ops)) + printk(BIOS_ERR, "MP initialization failure.\n"); } static struct device_operations cpu_dev_ops = { |