2010-11-27 10:40:16 +01:00
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/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2004 Stefan Reinauer <stepan@openbios.org>
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* Copyright (C) 2005 Nick Barker <nick.barker9@btinternet.com>
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* Copyright (C) 2007 Rudolf Marek <r.marek@assembler.cz>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <console/console.h>
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#include <string.h>
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#include <arch/acpi.h>
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#include <arch/acpigen.h>
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#include <arch/smp/mpspec.h>
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#include <device/device.h>
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2010-12-08 22:40:12 +01:00
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#include "i82371eb.h"
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2010-11-27 10:40:16 +01:00
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2010-12-08 22:40:12 +01:00
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static int determine_total_number_of_cores(void)
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{
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2018-05-13 13:25:13 +02:00
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struct device *cpu;
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2010-12-08 22:40:12 +01:00
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int count = 0;
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2016-08-31 19:22:16 +02:00
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for (cpu = all_devices; cpu; cpu = cpu->next) {
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2010-12-08 22:40:12 +01:00
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if ((cpu->path.type != DEVICE_PATH_APIC) ||
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2013-02-13 00:20:54 +01:00
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(cpu->bus->dev->path.type != DEVICE_PATH_CPU_CLUSTER)) {
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2010-12-08 22:40:12 +01:00
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continue;
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}
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if (!cpu->enabled) {
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continue;
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}
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count++;
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}
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return count;
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}
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2018-05-13 13:25:13 +02:00
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void generate_cpu_entries(struct device *device)
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2010-12-08 22:40:12 +01:00
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{
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int cpu, pcontrol_blk=DEFAULT_PMBASE+PCNTRL, plen=6;
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int numcpus = determine_total_number_of_cores();
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printk(BIOS_DEBUG, "Found %d CPU(s).\n", numcpus);
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/* without the outer scope, furhter ssdt addition will end up
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* within the processor statement */
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2014-09-01 22:18:01 +02:00
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acpigen_write_scope("\\_PR");
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2010-12-08 22:40:12 +01:00
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for (cpu=0; cpu < numcpus; cpu++) {
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2014-09-01 22:18:01 +02:00
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acpigen_write_processor(cpu, pcontrol_blk, plen);
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acpigen_pop_len();
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2010-12-08 22:40:12 +01:00
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}
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2014-09-01 22:18:01 +02:00
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acpigen_pop_len();
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2010-12-08 22:40:12 +01:00
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}
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2014-11-09 16:15:00 +01:00
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unsigned long acpi_fill_mcfg(unsigned long current)
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2010-11-27 10:40:16 +01:00
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{
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/* chipset doesn't have mmconfig */
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return current;
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}
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