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

   1 /*
   2  * This file is part of the coreboot project.
   3  *
   4  * Copyright (C) 2008 Uwe Hermann <uwe@hermann-uwe.de>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  */
  16
  17 #include <console/console.h>
  18 #include <arch/smp/mpspec.h>
  19 #include <arch/ioapic.h>
  20 #include <device/pci.h>
  21 #include <string.h>
  22 #include <stdint.h>
  23
  24 static void *smp_write_config_table(void *v)
  25 {
  26         int ioapic_id, ioapic_ver, isa_bus;
  27         struct mp_config_table *mc;
  28
  29         mc = (void *)(((char *)v) + SMP_FLOATING_TABLE_LEN);
  30
  31         mptable_init(mc, LOCAL_APIC_ADDR);
  32
  33         smp_write_processors(mc);
  34
  35         mptable_write_buses(mc, NULL, &isa_bus);
  36
  37         ioapic_id = 2;
  38         ioapic_ver = 0x11; /* External Intel 82093AA IOAPIC. */
  39         smp_write_ioapic(mc, ioapic_id, ioapic_ver, VIO_APIC_VADDR);
  40
  41         /* Legacy Interrupts */
  42         mptable_add_isa_interrupts(mc, isa_bus, ioapic_id, 0);
  43
  44         /* I/O Ints:          Type       Trigger                Polarity              Bus ID   IRQ   APIC ID      PIN# */
  45         smp_write_intsrc(mc,  mp_INT,    MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_LOW,  0x0,     0x13, ioapic_id,   0x13);
  46         smp_write_intsrc(mc,  mp_INT,    MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_LOW,  0x0,     0x18, ioapic_id,   0x13);
  47
  48         /* Local Ints:        Type       Trigger                Polarity              Bus ID   IRQ   APIC ID      PIN# */
  49         mptable_lintsrc(mc, 0x1);
  50
  51         /* Compute the checksums. */
  52         return mptable_finalize(mc);
  53 }
  54
  55 unsigned long write_smp_table(unsigned long addr)
  56 {
  57         void *v;
  58         v = smp_write_floating_table(addr, 0);
  59         return (unsigned long)smp_write_config_table(v);
  60 }