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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2013 Google Inc.
*
* 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 <stdlib.h>
#include <console/console.h>
#include <cpu/cpu.h>
#include <cpu/intel/microcode.h>
#include <cpu/x86/mtrr.h>
#include <cpu/x86/mp.h>
#include <baytrail/pattrs.h>
#include <baytrail/ramstage.h>
static struct mp_flight_record mp_steps[] = {
MP_FR_BLOCK_APS(mp_initialize_cpu, NULL, mp_initialize_cpu, NULL),
};
/* The APIC id space on Bay Trail is sparse. Each id is separated by 2. */
static int adjust_apic_id(int index, int apic_id)
{
return 2 * index;
}
void baytrail_init_cpus(device_t dev)
{
struct bus *cpu_bus = dev->link_list;
const struct pattrs *pattrs = pattrs_get();
struct mp_params mp_params;
/* Set up MTRRs based on physical address size. */
x86_setup_fixed_mtrrs();
x86_setup_var_mtrrs(pattrs->address_bits, 2);
x86_mtrr_check();
mp_params.num_cpus = pattrs->num_cpus,
mp_params.parallel_microcode_load = 1,
mp_params.adjust_apic_id = adjust_apic_id;
mp_params.flight_plan = &mp_steps[0];
mp_params.num_records = ARRAY_SIZE(mp_steps);
mp_params.microcode_pointer = intel_microcode_find();
mp_params.microcode_pointer = NULL;
if (mp_init(cpu_bus, &mp_params)) {
printk(BIOS_ERR, "MP initialization failure.\n");
}
}
static void baytrail_core_init(device_t cpu)
{
printk(BIOS_DEBUG, "Init BayTrail core.\n");
}
static struct device_operations cpu_dev_ops = {
.init = baytrail_core_init,
};
static struct cpu_device_id cpu_table[] = {
{ X86_VENDOR_INTEL, 0x30673 },
{ 0, 0 },
};
static const struct cpu_driver driver __cpu_driver = {
.ops = &cpu_dev_ops,
.id_table = cpu_table,
};
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