diff options
Diffstat (limited to 'src/cpu/x86')
| -rw-r--r-- | src/cpu/x86/Kconfig | 4 | ||||
| -rw-r--r-- | src/cpu/x86/lapic/lapic_cpu_init.c | 34 |
2 files changed, 17 insertions, 21 deletions
diff --git a/src/cpu/x86/Kconfig b/src/cpu/x86/Kconfig index 5c37861214..7689d59ae0 100644 --- a/src/cpu/x86/Kconfig +++ b/src/cpu/x86/Kconfig @@ -1,6 +1,6 @@ -config SERIAL_CPU_INIT +config PARALLEL_CPU_INIT bool - default y + default n config UDELAY_IO bool diff --git a/src/cpu/x86/lapic/lapic_cpu_init.c b/src/cpu/x86/lapic/lapic_cpu_init.c index 2aef2a4bcd..09b6b9eeb0 100644 --- a/src/cpu/x86/lapic/lapic_cpu_init.c +++ b/src/cpu/x86/lapic/lapic_cpu_init.c @@ -406,9 +406,9 @@ void stop_this_cpu(void) void asmlinkage secondary_cpu_init(unsigned int index) { atomic_inc(&active_cpus); -#if CONFIG_SERIAL_CPU_INIT - spin_lock(&start_cpu_lock); -#endif + + if (!IS_ENABLED(CONFIG_PARALLEL_CPU_INIT)) + spin_lock(&start_cpu_lock); #ifdef __SSE3__ /* @@ -421,9 +421,9 @@ void asmlinkage secondary_cpu_init(unsigned int index) write_cr4(cr4_val); #endif cpu_initialize(index); -#if CONFIG_SERIAL_CPU_INIT - spin_unlock(&start_cpu_lock); -#endif + + if (!IS_ENABLED(CONFIG_PARALLEL_CPU_INIT)) + spin_unlock(&start_cpu_lock); atomic_dec(&active_cpus); @@ -439,11 +439,9 @@ static void start_other_cpus(struct bus *cpu_bus, device_t bsp_cpu) if (cpu->path.type != DEVICE_PATH_APIC) { continue; } - #if !CONFIG_SERIAL_CPU_INIT - if(cpu==bsp_cpu) { + + if (IS_ENABLED(CONFIG_PARALLEL_CPU_INIT) && (cpu==bsp_cpu)) continue; - } - #endif if (!cpu->enabled) { continue; @@ -458,9 +456,9 @@ static void start_other_cpus(struct bus *cpu_bus, device_t bsp_cpu) printk(BIOS_ERR, "CPU 0x%02x would not start!\n", cpu->path.apic.apic_id); } -#if CONFIG_SERIAL_CPU_INIT - udelay(10); -#endif + + if (!IS_ENABLED(CONFIG_PARALLEL_CPU_INIT)) + udelay(10); } } @@ -538,19 +536,17 @@ void initialize_cpus(struct bus *cpu_bus) #endif #if CONFIG_SMP && CONFIG_MAX_CPUS > 1 - #if !CONFIG_SERIAL_CPU_INIT /* start all aps at first, so we can init ECC all together */ - start_other_cpus(cpu_bus, info->cpu); - #endif + if (IS_ENABLED(CONFIG_PARALLEL_CPU_INIT)) + start_other_cpus(cpu_bus, info->cpu); #endif /* Initialize the bootstrap processor */ cpu_initialize(0); #if CONFIG_SMP && CONFIG_MAX_CPUS > 1 - #if CONFIG_SERIAL_CPU_INIT - start_other_cpus(cpu_bus, info->cpu); - #endif + if (!IS_ENABLED(CONFIG_PARALLEL_CPU_INIT)) + start_other_cpus(cpu_bus, info->cpu); /* Now wait the rest of the cpus stop*/ wait_other_cpus_stop(cpu_bus); |