src/mainboard/biostar/a68n_5200/acpi_tables.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /* This file is part of the coreboot project. */
   3
   4 #include <acpi/acpi.h>
   5 #include <arch/ioapic.h>
   6
   7 unsigned long acpi_fill_madt(unsigned long current)
   8 {
   9         /* create all subtables for processors */
  10         current = acpi_create_madt_lapics(current);
  11
  12         /* Write SB800 IOAPIC, only one */
  13         current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current, CONFIG_MAX_CPUS,
  14                                            IO_APIC_ADDR, 0);
  15
  16         /* TODO: Remove the hardcode */
  17         current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current, CONFIG_MAX_CPUS+1,
  18                                            0xFEC20000, 24);
  19
  20         current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *)
  21                                                 current, 0, 0, 2, 0);
  22         current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *)
  23                                                 current, 0, 9, 9, 0xF);
  24         /* 0: mean bus 0--->ISA */
  25         /* 0: PIC 0 */
  26         /* 2: APIC 2 */
  27         /* 5 mean: 0101 --> Edge-triggered, Active high */
  28
  29         /* create all subtables for processors */
  30         current += acpi_create_madt_lapic_nmi((acpi_madt_lapic_nmi_t *)current, 0xff, 5, 1);
  31         /* 1: LINT1 connect to NMI */
  32
  33         return current;
  34 }