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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2007 Advanced Micro Devices, Inc.
* Copyright (C) 2015 Timothy Pearson <tpearson@raptorengineeringinc.com>, Raptor Engineering
*
* 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 <device/pci.h>
#include <string.h>
#include <cpu/x86/msr.h>
#include <cpu/x86/smm.h>
#include <cpu/x86/pae.h>
#include <pc80/mc146818rtc.h>
#include <cpu/x86/lapic.h>
#include "northbridge/amd/amdfam10/amdfam10.h"
#include <cpu/amd/model_10xxx_rev.h>
#include <cpu/cpu.h>
#include <cpu/x86/cache.h>
#include <cpu/x86/mtrr.h>
#include <cpu/amd/multicore.h>
#include <cpu/amd/model_10xxx_msr.h>
#define MCI_STATUS 0x401
static void model_10xxx_init(device_t dev)
{
u8 i;
msr_t msr;
struct node_core_id id;
#if CONFIG_LOGICAL_CPUS
u32 siblings;
#endif
id = get_node_core_id(read_nb_cfg_54()); /* nb_cfg_54 can not be set */
printk(BIOS_DEBUG, "nodeid = %02d, coreid = %02d\n", id.nodeid, id.coreid);
/* 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 < 5; 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 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);
msr = rdmsr(BU_CFG2_MSR);
/* Clear ClLinesToNbDis */
msr.lo &= ~(1 << 15);
/* Clear bit 35 as per Erratum 343 */
msr.hi &= ~(1 << (35-32));
wrmsr(BU_CFG2_MSR, msr);
if (IS_ENABLED(CONFIG_HAVE_SMI_HANDLER)) {
printk(BIOS_DEBUG, "Initializing SMM ASeg memory\n");
/* Set SMM base address for this CPU */
msr = rdmsr(SMM_BASE_MSR);
msr.lo = SMM_BASE - (lapicid() * 0x400);
wrmsr(SMM_BASE_MSR, msr);
/* Enable the SMM memory window */
msr = rdmsr(SMM_MASK_MSR);
msr.lo |= (1 << 0); /* Enable ASEG SMRAM Range */
wrmsr(SMM_MASK_MSR, msr);
} else {
printk(BIOS_DEBUG, "Disabling SMM ASeg memory\n");
/* Set SMM base address for this CPU */
msr = rdmsr(SMM_BASE_MSR);
msr.lo = SMM_BASE - (lapicid() * 0x400);
wrmsr(SMM_BASE_MSR, msr);
/* Disable the SMM memory window */
msr.hi = 0x0;
msr.lo = 0x0;
wrmsr(SMM_MASK_MSR, msr);
}
/* Set SMMLOCK to avoid exploits messing with SMM */
msr = rdmsr(HWCR_MSR);
msr.lo |= (1 << 0);
wrmsr(HWCR_MSR, msr);
}
static struct device_operations cpu_dev_ops = {
.init = model_10xxx_init,
};
static struct cpu_device_id cpu_table[] = {
//AMD_GH_SUPPORT
{ X86_VENDOR_AMD, 0x100f00 }, /* SH-F0 L1 */
{ X86_VENDOR_AMD, 0x100f10 }, /* M2 */
{ X86_VENDOR_AMD, 0x100f20 }, /* S1g1 */
{ X86_VENDOR_AMD, 0x100f21 },
{ X86_VENDOR_AMD, 0x100f2A },
{ X86_VENDOR_AMD, 0x100f22 },
{ X86_VENDOR_AMD, 0x100f23 },
{ X86_VENDOR_AMD, 0x100f40 }, /* RB-C0 */
{ X86_VENDOR_AMD, 0x100F42 }, /* RB-C2 */
{ X86_VENDOR_AMD, 0x100F43 }, /* RB-C3 */
{ X86_VENDOR_AMD, 0x100F52 }, /* BL-C2 */
{ X86_VENDOR_AMD, 0x100F62 }, /* DA-C2 */
{ X86_VENDOR_AMD, 0x100F63 }, /* DA-C3 */
{ X86_VENDOR_AMD, 0x100F80 }, /* HY-D0 */
{ X86_VENDOR_AMD, 0x100F81 }, /* HY-D1 */
{ X86_VENDOR_AMD, 0x100F91 }, /* HY-D1 */
{ X86_VENDOR_AMD, 0x100FA0 }, /* PH-E0 */
{ 0, 0 },
};
static const struct cpu_driver model_10xxx __cpu_driver = {
.ops = &cpu_dev_ops,
.id_table = cpu_table,
};
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