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/* SPDX-License-Identifier: GPL-2.0-only */
#include <cpu/x86/lapic.h>
#include <console/console.h>
#include <smp/node.h>
void do_lapic_init(void)
{
uint32_t lvt0_val;
printk(BIOS_INFO, "Setting up local APIC...\n");
/* Enable the local APIC */
enable_lapic();
/*
* Set Task Priority to 'accept all'.
*/
lapic_write_around(LAPIC_TASKPRI,
lapic_read_around(LAPIC_TASKPRI) & ~LAPIC_TPRI_MASK);
/* Put the local APIC in virtual wire mode */
lapic_write_around(LAPIC_SPIV,
(lapic_read_around(LAPIC_SPIV) & ~(LAPIC_VECTOR_MASK))
| LAPIC_SPIV_ENABLE);
lvt0_val = (lapic_read_around(LAPIC_LVT0) &
~(LAPIC_LVT_MASKED | LAPIC_LVT_LEVEL_TRIGGER |
LAPIC_LVT_REMOTE_IRR | LAPIC_INPUT_POLARITY |
LAPIC_SEND_PENDING | LAPIC_LVT_RESERVED_1)) |
(LAPIC_LVT_REMOTE_IRR | LAPIC_SEND_PENDING);
if (boot_cpu())
lvt0_val = SET_LAPIC_DELIVERY_MODE(lvt0_val, LAPIC_MODE_EXINT);
lapic_write_around(LAPIC_LVT0, lvt0_val);
lapic_write_around(LAPIC_LVT1,
(lapic_read_around(LAPIC_LVT1) &
~(LAPIC_LVT_MASKED | LAPIC_LVT_LEVEL_TRIGGER |
LAPIC_LVT_REMOTE_IRR | LAPIC_INPUT_POLARITY |
LAPIC_SEND_PENDING | LAPIC_LVT_RESERVED_1 |
LAPIC_DELIVERY_MODE_MASK))
| (LAPIC_LVT_REMOTE_IRR | LAPIC_SEND_PENDING |
LAPIC_DELIVERY_MODE_NMI)
);
printk(BIOS_DEBUG, " apic_id: 0x%02lx ", lapicid());
printk(BIOS_INFO, "done.\n");
}
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