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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2004 Stefan Reinauer <stepan@openbios.org>
* Copyright (C) 2005 Nick Barker <nick.barker9@btinternet.com>
* Copyright (C) 2007 Rudolf Marek <r.marek@assembler.cz>
*
* 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; version 2 of the License.
*
* 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 <string.h>
#include <arch/acpi.h>
#include <arch/acpigen.h>
#include <arch/smp/mpspec.h>
#include <device/device.h>
#include <device/pci_ids.h>
#include "i82371eb.h"
static int determine_total_number_of_cores(void)
{
device_t cpu;
int count = 0;
for(cpu = all_devices; cpu; cpu = cpu->next) {
if ((cpu->path.type != DEVICE_PATH_APIC) ||
(cpu->bus->dev->path.type != DEVICE_PATH_CPU_CLUSTER)) {
continue;
}
if (!cpu->enabled) {
continue;
}
count++;
}
return count;
}
void generate_cpu_entries(void)
{
int cpu, pcontrol_blk=DEFAULT_PMBASE+PCNTRL, plen=6;
int numcpus = determine_total_number_of_cores();
printk(BIOS_DEBUG, "Found %d CPU(s).\n", numcpus);
/* without the outer scope, furhter ssdt addition will end up
* within the processor statement */
acpigen_write_scope("\\_PR");
for (cpu=0; cpu < numcpus; cpu++) {
acpigen_write_processor(cpu, pcontrol_blk, plen);
acpigen_pop_len();
}
acpigen_pop_len();
}
unsigned long __attribute__((weak)) acpi_fill_slit(unsigned long current)
{
// Not implemented
return current;
}
unsigned long __attribute__((weak)) acpi_fill_srat(unsigned long current)
{
// Not implemented
return current;
}
unsigned long acpi_fill_mcfg(unsigned long current)
{
/* chipset doesn't have mmconfig */
return current;
}
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