blob: e6b54595dae4c5d79b7b44021f90b2dff28e7e72 [file] [log] [blame]
/* SPDX-License-Identifier: GPL-2.0-or-later */
#include <arch/smp/mpspec.h>
#include <arch/ioapic.h>
static void *smp_write_config_table(void *v)
{
int isa_bus;
struct mp_config_table *mc;
mc = (void *)(((char *)v) + SMP_FLOATING_TABLE_LEN);
mptable_init(mc);
smp_write_processors(mc);
mptable_write_buses(mc, NULL, &isa_bus);
/* External Intel 82093AA IOAPIC. */
u8 ioapic_id = smp_write_ioapic_from_hw(mc, IO_APIC_ADDR);
/* Legacy Interrupts */
mptable_add_isa_interrupts(mc, isa_bus, ioapic_id, 0);
/* I/O Ints: Type Trigger Polarity Bus ID IRQ APIC ID PIN# */
smp_write_pci_intsrc(mc, mp_INT, 0x0, 0x04, 3, ioapic_id, 0x13); /* UHCI */
/* Local Ints: Type Trigger Polarity Bus ID IRQ APIC ID PIN# */
mptable_lintsrc(mc, isa_bus);
/* Compute the checksums. */
return mptable_finalize(mc);
}
unsigned long write_smp_table(unsigned long addr)
{
void *v;
v = smp_write_floating_table(addr, 0);
return (unsigned long)smp_write_config_table(v);
}