diff options
| author | Simon Glass <sjg@chromium.org> | 2015-04-29 22:25:59 -0600 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2015-04-30 16:13:38 -0600 |
| commit | 45b5a37836d552db30ab571d8ba67f12d7ba23b1 (patch) | |
| tree | cbfda1472f00b123b6dd7872deedac0fc381612c /arch/x86/cpu/ivybridge/model_206ax.c | |
| parent | 6f41e0e7bcdc58e9e8af89988043893d5876bf7a (diff) | |
x86: Add multi-processor init
Most modern x86 CPUs include more than one CPU core. The OS normally requires
that these 'Application Processors' (APs) be brought up by the boot loader.
Add the required support to U-Boot to init additional APs.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Diffstat (limited to 'arch/x86/cpu/ivybridge/model_206ax.c')
| -rw-r--r-- | arch/x86/cpu/ivybridge/model_206ax.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/cpu/ivybridge/model_206ax.c b/arch/x86/cpu/ivybridge/model_206ax.c index 11dc625da9..8b08c40bcb 100644 --- a/arch/x86/cpu/ivybridge/model_206ax.c +++ b/arch/x86/cpu/ivybridge/model_206ax.c @@ -435,8 +435,8 @@ static int intel_cores_init(struct x86_cpu_priv *cpu) debug("CPU: %u has core %u\n", cpu->apic_id, new_cpu->apic_id); -#if CONFIG_SMP && CONFIG_MAX_CPUS > 1 - /* Start the new cpu */ +#if 0 && CONFIG_SMP && CONFIG_MAX_CPUS > 1 + /* TODO(sjg@chromium.org): Start the new cpu */ if (!start_cpu(new_cpu)) { /* Record the error in cpu? */ printk(BIOS_ERR, "CPU %u would not start!\n", |