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  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc.
  19  */
  20
  21 #include <console/console.h>
  22 #include <arch/smp/mpspec.h>
  23 #include <arch/ioapic.h>
  24 #include <device/pci.h>
  25 #include <string.h>
  26 #include <stdint.h>
  27
  28 static void *smp_write_config_table(void *v)
  29 {
  30         int ioapic_id, ioapic_ver, isa_bus;
  31         struct mp_config_table *mc;
  32
  33         mc = (void *)(((char *)v) + SMP_FLOATING_TABLE_LEN);
  34
  35         mptable_init(mc, LOCAL_APIC_ADDR);
  36
  37         smp_write_processors(mc);
  38
  39         mptable_write_buses(mc, NULL, &isa_bus);
  40
  41         ioapic_id = 2;
  42         ioapic_ver = 0x11; /* External Intel 82093AA IOAPIC. */
  43         smp_write_ioapic(mc, ioapic_id, ioapic_ver, VIO_APIC_VADDR);
  44
  45         /* Legacy Interrupts */
  46         mptable_add_isa_interrupts(mc, isa_bus, ioapic_id, 0);
  47
  48         /* I/O Ints:          Type       Trigger                Polarity              Bus ID   IRQ   APIC ID      PIN# */
  49         smp_write_intsrc(mc,  mp_INT,    MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_LOW,  0x0,     0x13, ioapic_id,   0x13);
  50         smp_write_intsrc(mc,  mp_INT,    MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_LOW,  0x0,     0x18, ioapic_id,   0x13);
  51
  52         /* Local Ints:        Type       Trigger                Polarity              Bus ID   IRQ   APIC ID      PIN# */
  53         mptable_lintsrc(mc, 0x1);
  54
  55         /* Compute the checksums. */
  56         return mptable_finalize(mc);
  57 }
  58
  59 unsigned long write_smp_table(unsigned long addr)
  60 {
  61         void *v;
  62         v = smp_write_floating_table(addr, 0);
  63         return (unsigned long)smp_write_config_table(v);
  64 }