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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2011 Advanced Micro Devices, 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.
*/
#include <console/console.h>
#include <cpu/x86/msr.h>
#include <cpu/amd/mtrr.h>
#include <device/device.h>
#include <string.h>
#include <cpu/x86/msr.h>
#include <cpu/x86/pae.h>
#include <pc80/mc146818rtc.h>
#include <cpu/x86/lapic.h>
#include <cpu/cpu.h>
#include <cpu/x86/cache.h>
#include <cpu/x86/mtrr.h>
#include "northbridge/amd/agesa/family10/amdfam10.h"
#define MCI_STATUS 0x401
static void model_10_init(device_t dev)
{
printk(BIOS_DEBUG, "Model 10 Init.\n");
u8 i;
msr_t msr;
#if IS_ENABLED(CONFIG_LOGICAL_CPUS)
u32 siblings;
#endif
/* Turn on caching if we haven't already */
x86_enable_cache();
amd_setup_mtrrs();
x86_mtrr_check();
disable_cache();
/* zero the machine check error status registers */
msr.lo = 0;
msr.hi = 0;
for (i = 0; i < 6; i++) {
wrmsr(MCI_STATUS + (i * 4), msr);
}
enable_cache();
/* Enable the local CPU apics */
setup_lapic();
/* Set the processor name string */
// init_processor_name();
#if IS_ENABLED(CONFIG_LOGICAL_CPUS)
siblings = cpuid_ecx(0x80000008) & 0xff;
if (siblings > 0) {
msr = rdmsr_amd(CPU_ID_FEATURES_MSR);
msr.lo |= 1 << 28;
wrmsr_amd(CPU_ID_FEATURES_MSR, msr);
msr = rdmsr_amd(CPU_ID_EXT_FEATURES_MSR);
msr.hi |= 1 << (33 - 32);
wrmsr_amd(CPU_ID_EXT_FEATURES_MSR, msr);
}
printk(BIOS_DEBUG, "siblings = %02d, ", siblings);
#endif
/* DisableCf8ExtCfg */
msr = rdmsr(NB_CFG_MSR);
msr.hi &= ~(1 << (46 - 32));
wrmsr(NB_CFG_MSR, msr);
/* Write protect SMM space with SMMLOCK. */
msr = rdmsr(HWCR_MSR);
msr.lo |= (1 << 0);
wrmsr(HWCR_MSR, msr);
}
static struct device_operations cpu_dev_ops = {
.init = model_10_init,
};
static struct cpu_device_id cpu_table[] = {
{ X86_VENDOR_AMD, 0x100F80}, /* HY-D0 */
{ X86_VENDOR_AMD, 0x100F90}, /* HY-D0 */
{ X86_VENDOR_AMD, 0x100F81}, /* HY-D1 */
{ X86_VENDOR_AMD, 0x100F91}, /* HY-D1 */
{ 0, 0 },
};
static const struct cpu_driver model_10 __cpu_driver = {
.ops = &cpu_dev_ops,
.id_table = cpu_table,
};
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