src/mainboard/asus/p2b/variants/p2b-ds/mptable.c

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2
   3 #include <arch/smp/mpspec.h>
   4 #include <arch/ioapic.h>
   5
   6 static void *smp_write_config_table(void *v)
   7 {
   8         int isa_bus;
   9         struct mp_config_table *mc;
  10
  11         mc = (void *)(((char *)v) + SMP_FLOATING_TABLE_LEN);
  12
  13         mptable_init(mc);
  14
  15         smp_write_processors(mc);
  16
  17         mptable_write_buses(mc, NULL, &isa_bus);
  18
  19         /* External Intel 82093AA IOAPIC. */
  20         u8 ioapic_id = smp_write_ioapic_from_hw(mc, IO_APIC_ADDR);
  21
  22         /* Legacy Interrupts */
  23         mptable_add_isa_interrupts(mc, isa_bus, ioapic_id, 0);
  24
  25         /* I/O Ints:          Type       Trigger                Polarity              Bus ID   IRQ   APIC ID      PIN# */
  26         smp_write_pci_intsrc(mc, mp_INT, 0x0, 0x04, 3, ioapic_id, 0x13);
  27         smp_write_pci_intsrc(mc, mp_INT, 0x0, 0x06, 0, ioapic_id, 0x13);
  28
  29         /* Local Ints:        Type       Trigger                Polarity              Bus ID   IRQ   APIC ID      PIN# */
  30         mptable_lintsrc(mc, 0x1);
  31
  32         /* Compute the checksums. */
  33         return mptable_finalize(mc);
  34 }
  35
  36 unsigned long write_smp_table(unsigned long addr)
  37 {
  38         void *v;
  39         v = smp_write_floating_table(addr, 0);
  40         return (unsigned long)smp_write_config_table(v);
  41 }