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cpu/x86/lapic: Drop IOAPIC test 

For the purpose of LAPIC IPI messaging it is not required to
evaluate if IOAPIC is enabled. The necessary enable_lapic()
will still be called as part of setup_lapic() within cpu init.

Change-Id: I8b6a34e39f755452f0af63ae0ced7279747c28fc
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/55251
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
This commit is contained in:
Kyösti Mälkki 2021-06-06 12:03:27 +03:00 committed by Patrick Georgi
parent 863b753918
commit 4cf65e9cc3
1 changed files with 5 additions and 10 deletions
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15
src/cpu/x86/lapic/lapic_cpu_init.c
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@ -506,18 +506,13 @@ void initialize_cpus(struct bus *cpu_bus)
/* Find the info struct for this CPU */
info = cpu_info();
if (need_lapic_init()) {
/* Ensure the local APIC is enabled */
/* Ensure the local APIC is enabled */
if (is_smp_boot())
enable_lapic();
/* Get the device path of the boot CPU */
cpu_path.type = DEVICE_PATH_APIC;
cpu_path.apic.apic_id = lapicid();
} else {
/* Get the device path of the boot CPU */
cpu_path.type = DEVICE_PATH_CPU;
cpu_path.cpu.id = 0;
}
/* Get the device path of the boot CPU */
cpu_path.type = DEVICE_PATH_APIC;
cpu_path.apic.apic_id = lapicid();
/* Find the device structure for the boot CPU */
info->cpu = alloc_find_dev(cpu_bus, &cpu_path);