| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2008 Uwe Hermann <uwe@hermann-uwe.de> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include <console/console.h> |
| #include <arch/smp/mpspec.h> |
| #include <arch/ioapic.h> |
| #include <device/pci.h> |
| #include <string.h> |
| #include <stdint.h> |
| |
| static void *smp_write_config_table(void *v) |
| { |
| int ioapic_id, ioapic_ver, isa_bus; |
| struct mp_config_table *mc; |
| |
| mc = (void *)(((char *)v) + SMP_FLOATING_TABLE_LEN); |
| |
| mptable_init(mc, LAPIC_ADDR); |
| |
| smp_write_processors(mc); |
| |
| mptable_write_buses(mc, NULL, &isa_bus); |
| |
| ioapic_id = 2; |
| ioapic_ver = 0x11; /* External Intel 82093AA IOAPIC. */ |
| smp_write_ioapic(mc, ioapic_id, ioapic_ver, 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_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_LOW, 0x0, 0x13, ioapic_id, 0x13); |
| smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_LOW, 0x0, 0x18, ioapic_id, 0x13); |
| |
| /* Local Ints: Type Trigger Polarity Bus ID IRQ APIC ID PIN# */ |
| mptable_lintsrc(mc, 0x1); |
| |
| /* Compute the checksums. */ |
| mc->mpe_checksum = |
| smp_compute_checksum(smp_next_mpc_entry(mc), mc->mpe_length); |
| mc->mpc_checksum = smp_compute_checksum(mc, mc->mpc_length); |
| printk(BIOS_DEBUG, "Wrote the mp table end at: %p - %p\n", |
| mc, smp_next_mpe_entry(mc)); |
| return smp_next_mpe_entry(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); |
| } |