83 lines
2.3 KiB
C
83 lines
2.3 KiB
C
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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) 2013 Google Inc.
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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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <stdlib.h>
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#include <console/console.h>
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#include <cpu/cpu.h>
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#include <cpu/intel/microcode.h>
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#include <cpu/x86/mtrr.h>
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#include <cpu/x86/mp.h>
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#include <baytrail/pattrs.h>
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#include <baytrail/ramstage.h>
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static struct mp_flight_record mp_steps[] = {
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MP_FR_BLOCK_APS(mp_initialize_cpu, NULL, mp_initialize_cpu, NULL),
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};
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/* The APIC id space on Bay Trail is sparse. Each id is separated by 2. */
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static int adjust_apic_id(int index, int apic_id)
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{
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return 2 * index;
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}
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void baytrail_init_cpus(device_t dev)
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{
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struct bus *cpu_bus = dev->link_list;
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const struct pattrs *pattrs = pattrs_get();
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struct mp_params mp_params;
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/* Set up MTRRs based on physical address size. */
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x86_setup_fixed_mtrrs();
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x86_setup_var_mtrrs(pattrs->address_bits, 2);
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x86_mtrr_check();
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mp_params.num_cpus = pattrs->num_cpus,
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mp_params.parallel_microcode_load = 1,
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mp_params.adjust_apic_id = adjust_apic_id;
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mp_params.flight_plan = &mp_steps[0];
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mp_params.num_records = ARRAY_SIZE(mp_steps);
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mp_params.microcode_pointer = intel_microcode_find();
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mp_params.microcode_pointer = NULL;
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if (mp_init(cpu_bus, &mp_params)) {
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printk(BIOS_ERR, "MP initialization failure.\n");
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}
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}
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static void baytrail_core_init(device_t cpu)
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{
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printk(BIOS_DEBUG, "Init BayTrail core.\n");
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}
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static struct device_operations cpu_dev_ops = {
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.init = baytrail_core_init,
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};
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static struct cpu_device_id cpu_table[] = {
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{ X86_VENDOR_INTEL, 0x30673 },
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{ 0, 0 },
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};
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static const struct cpu_driver driver __cpu_driver = {
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.ops = &cpu_dev_ops,
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.id_table = cpu_table,
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};
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