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northbridge/intel/fsp_*: Remove legacy SoCs

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* Remove FSP Sandy/Ivybrige which are unused.
* Open Source implementation isn't final but
  good enough to replace FSP version.
* For new ports use NORTHBRIDGE_INTEL_IVYBRIDGE
  and NORTHBRIDGE_INTEL_SANDYBRIDGE

Change-Id: I7b6bc4bfdd0481c8fe5b2b3d8f8b2eb9aa3c3b9e
Signed-off-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>
Reviewed-on: https://review.coreboot.org/29402
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
zaolin
2018-10-31 16:43:43 +01:00
committed by Nico Huber
parent 0b8aefc656
commit 3313a78e36
166 changed files with 0 additions and 27559 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
src/cpu/intel/Makefile.inc
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@ -18,8 +18,6 @@ subdirs-$(CONFIG_NORTHBRIDGE_INTEL_NEHALEM) += model_2065x
subdirs-$(CONFIG_NORTHBRIDGE_INTEL_SANDYBRIDGE) += model_206ax
subdirs-$(CONFIG_NORTHBRIDGE_INTEL_IVYBRIDGE) += model_206ax
subdirs-$(CONFIG_NORTHBRIDGE_INTEL_HASWELL) += haswell
subdirs-$(CONFIG_NORTHBRIDGE_INTEL_FSP_SANDYBRIDGE) += fsp_model_206ax
subdirs-$(CONFIG_NORTHBRIDGE_INTEL_FSP_IVYBRIDGE) += fsp_model_206ax
subdirs-$(CONFIG_NORTHBRIDGE_INTEL_FSP_RANGELEY) += fsp_model_406dx
subdirs-$(CONFIG_CPU_INTEL_SLOT_1) += slot_1
subdirs-$(CONFIG_CPU_INTEL_SOCKET_LGA1155) += socket_LGA1155

50
src/cpu/intel/fsp_model_206ax/Kconfig
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@ -1,50 +0,0 @@
##
## This file is part of the coreboot project.
##
## Copyright (C) 2013 Sage Electronic Engineering, LLC.
##
## 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.
##
config CPU_INTEL_FSP_MODEL_206AX
bool
config CPU_INTEL_FSP_MODEL_306AX
bool
if CPU_INTEL_FSP_MODEL_206AX || CPU_INTEL_FSP_MODEL_306AX
config CPU_SPECIFIC_OPTIONS
def_bool y
select PLATFORM_USES_FSP1_0
select ARCH_BOOTBLOCK_X86_32
select ARCH_VERSTAGE_X86_32
select ARCH_ROMSTAGE_X86_32
select ARCH_RAMSTAGE_X86_32
select SMP
select SSE2
select UDELAY_LAPIC
select SMM_TSEG
select SUPPORT_CPU_UCODE_IN_CBFS
select PARALLEL_CPU_INIT
select TSC_SYNC_MFENCE
select LAPIC_MONOTONIC_TIMER
select CPU_INTEL_COMMON
config BOOTBLOCK_CPU_INIT
string
default "cpu/intel/fsp_model_206ax/bootblock.c"
config SMM_TSEG_SIZE
hex
default 0x800000
endif

12
src/cpu/intel/fsp_model_206ax/Makefile.inc
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@ -1,12 +0,0 @@
ramstage-y += model_206ax_init.c
subdirs-y += ../../x86/name
subdirs-y += ../smm/gen1
subdirs-y += ../common
ramstage-y += acpi.c
smm-$(CONFIG_HAVE_SMI_HANDLER) += finalize.c
CPPFLAGS_romstage += -I$(src)/cpu/intel/fsp_model_206ax
cpu_microcode_bins += 3rdparty/blobs/cpu/intel/model_206ax/microcode.bin
cpu_microcode_bins += 3rdparty/blobs/cpu/intel/model_306ax/microcode.bin

341
src/cpu/intel/fsp_model_206ax/acpi.c
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@ -1,341 +0,0 @@
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2009 coresystems GmbH
* Copyright (C) 2011 The Chromium OS Authors. All rights reserved.
*
* 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 <types.h>
#include <console/console.h>
#include <arch/acpi.h>
#include <arch/acpigen.h>
#include <arch/cpu.h>
#include <cpu/x86/msr.h>
#include <cpu/intel/speedstep.h>
#include <cpu/intel/turbo.h>
#include <device/device.h>
#include "model_206ax.h"
#include "chip.h"
static int get_cores_per_package(void)
{
struct cpuinfo_x86 c;
struct cpuid_result result;
int cores = 1;
get_fms(&c, cpuid_eax(1));
if (c.x86 != 6)
return 1;
result = cpuid_ext(0xb, 1);
cores = result.ebx & 0xff;
return cores;
}
static void generate_cstate_entries(acpi_cstate_t *cstates,
int c1, int c2, int c3)
{
int cstate_count = 0;
/* Count number of active C-states */
if (c1 > 0)
++cstate_count;
if (c2 > 0)
++cstate_count;
if (c3 > 0)
++cstate_count;
if (!cstate_count)
return;
acpigen_write_package(cstate_count + 1);
acpigen_write_byte(cstate_count);
/* Add an entry if the level is enabled */
if (c1 > 0) {
cstates[c1].ctype = 1;
acpigen_write_CST_package_entry(&cstates[c1]);
}
if (c2 > 0) {
cstates[c2].ctype = 2;
acpigen_write_CST_package_entry(&cstates[c2]);
}
if (c3 > 0) {
cstates[c3].ctype = 3;
acpigen_write_CST_package_entry(&cstates[c3]);
}
acpigen_pop_len();
}
static void generate_C_state_entries(void)
{
struct cpu_info *info;
struct cpu_driver *cpu;
struct device *lapic;
struct cpu_intel_fsp_model_206ax_config *conf = NULL;
/* Find the SpeedStep CPU in the device tree using magic APIC ID */
lapic = dev_find_lapic(SPEEDSTEP_APIC_MAGIC);
if (!lapic)
return;
conf = lapic->chip_info;
if (!conf)
return;
/* Find CPU map of supported C-states */
info = cpu_info();
if (!info)
return;
cpu = find_cpu_driver(info->cpu);
if (!cpu || !cpu->cstates)
return;
acpigen_write_method("_CST", 0);
/* If running on AC power */
acpigen_emit_byte(0xa0); /* IfOp */
acpigen_write_len_f(); /* PkgLength */
acpigen_emit_namestring("PWRS");
acpigen_emit_byte(0xa4); /* ReturnOp */
generate_cstate_entries(cpu->cstates, conf->c1_acpower,
conf->c2_acpower, conf->c3_acpower);
acpigen_pop_len();
/* Else on battery power */
acpigen_emit_byte(0xa4); /* ReturnOp */
generate_cstate_entries(cpu->cstates, conf->c1_battery,
conf->c2_battery, conf->c3_battery);
acpigen_pop_len();
}
static acpi_tstate_t tss_table_fine[] = {
{ 100, 1000, 0, 0x00, 0 },
{ 94, 940, 0, 0x1f, 0 },
{ 88, 880, 0, 0x1e, 0 },
{ 82, 820, 0, 0x1d, 0 },
{ 75, 760, 0, 0x1c, 0 },
{ 69, 700, 0, 0x1b, 0 },
{ 63, 640, 0, 0x1a, 0 },
{ 57, 580, 0, 0x19, 0 },
{ 50, 520, 0, 0x18, 0 },
{ 44, 460, 0, 0x17, 0 },
{ 38, 400, 0, 0x16, 0 },
{ 32, 340, 0, 0x15, 0 },
{ 25, 280, 0, 0x14, 0 },
{ 19, 220, 0, 0x13, 0 },
{ 13, 160, 0, 0x12, 0 },
};
static acpi_tstate_t tss_table_coarse[] = {
{ 100, 1000, 0, 0x00, 0 },
{ 88, 875, 0, 0x1f, 0 },
{ 75, 750, 0, 0x1e, 0 },
{ 63, 625, 0, 0x1d, 0 },
{ 50, 500, 0, 0x1c, 0 },
{ 38, 375, 0, 0x1b, 0 },
{ 25, 250, 0, 0x1a, 0 },
{ 13, 125, 0, 0x19, 0 },
};
static void generate_T_state_entries(int core, int cores_per_package)
{
/* Indicate SW_ALL coordination for T-states */
acpigen_write_TSD_package(core, cores_per_package, SW_ALL);
/* Indicate FFixedHW so OS will use MSR */
acpigen_write_empty_PTC();
/* Set a T-state limit that can be modified in NVS */
acpigen_write_TPC("\\TLVL");
/*
* CPUID.(EAX=6):EAX[5] indicates support
* for extended throttle levels.
*/
if (cpuid_eax(6) & (1 << 5))
acpigen_write_TSS_package(
ARRAY_SIZE(tss_table_fine), tss_table_fine);
else
acpigen_write_TSS_package(
ARRAY_SIZE(tss_table_coarse), tss_table_coarse);
}
static int calculate_power(int tdp, int p1_ratio, int ratio)
{
u32 m;
u32 power;
/*
* M = ((1.1 - ((p1_ratio - ratio) * 0.00625)) / 1.1) ^ 2
*
* Power = (ratio / p1_ratio) * m * tdp
*/
m = (110000 - ((p1_ratio - ratio) * 625)) / 11;
m = (m * m) / 1000;
power = ((ratio * 100000 / p1_ratio) / 100);
power *= (m / 100) * (tdp / 1000);
power /= 1000;
return (int)power;
}
static void generate_P_state_entries(int core, int cores_per_package)
{
int ratio_min, ratio_max, ratio_turbo, ratio_step;
int coord_type, power_max, power_unit, num_entries;
int ratio, power, clock, clock_max;
msr_t msr;
/* Determine P-state coordination type from MISC_PWR_MGMT[0] */
msr = rdmsr(MSR_MISC_PWR_MGMT);
if (msr.lo & MISC_PWR_MGMT_EIST_HW_DIS)
coord_type = SW_ANY;
else
coord_type = HW_ALL;
/* Get bus ratio limits and calculate clock speeds */
msr = rdmsr(MSR_PLATFORM_INFO);
ratio_min = (msr.hi >> (40-32)) & 0xff; /* Max Efficiency Ratio */
/* Determine if this CPU has configurable TDP */
if (cpu_config_tdp_levels()) {
/* Set max ratio to nominal TDP ratio */
msr = rdmsr(MSR_CONFIG_TDP_NOMINAL);
ratio_max = msr.lo & 0xff;
} else {
/* Max Non-Turbo Ratio */
ratio_max = (msr.lo >> 8) & 0xff;
}
clock_max = ratio_max * SANDYBRIDGE_BCLK;
/* Calculate CPU TDP in mW */
msr = rdmsr(MSR_PKG_POWER_SKU_UNIT);
power_unit = 2 << ((msr.lo & 0xf) - 1);
msr = rdmsr(MSR_PKG_POWER_SKU);
power_max = ((msr.lo & 0x7fff) / power_unit) * 1000;
/* Write _PCT indicating use of FFixedHW */
acpigen_write_empty_PCT();
/* Write _PPC with no limit on supported P-state */
acpigen_write_PPC_NVS();
/* Write PSD indicating configured coordination type */
acpigen_write_PSD_package(core, cores_per_package, coord_type);
/* Add P-state entries in _PSS table */
acpigen_write_name("_PSS");
/* Determine ratio points */
ratio_step = PSS_RATIO_STEP;
num_entries = (ratio_max - ratio_min) / ratio_step;
while (num_entries > PSS_MAX_ENTRIES-1) {
ratio_step <<= 1;
num_entries >>= 1;
}
/* P[T] is Turbo state if enabled */
if (get_turbo_state() == TURBO_ENABLED) {
/* _PSS package count including Turbo */
acpigen_write_package(num_entries + 2);
msr = rdmsr(MSR_TURBO_RATIO_LIMIT);
ratio_turbo = msr.lo & 0xff;
/* Add entry for Turbo ratio */
acpigen_write_PSS_package(
clock_max + 1, /*MHz*/
power_max, /*mW*/
PSS_LATENCY_TRANSITION, /*lat1*/
PSS_LATENCY_BUSMASTER, /*lat2*/
ratio_turbo << 8, /*control*/
ratio_turbo << 8); /*status*/
} else {
/* _PSS package count without Turbo */
acpigen_write_package(num_entries + 1);
}
/* First regular entry is max non-turbo ratio */
acpigen_write_PSS_package(
clock_max, /*MHz*/
power_max, /*mW*/
PSS_LATENCY_TRANSITION, /*lat1*/
PSS_LATENCY_BUSMASTER, /*lat2*/
ratio_max << 8, /*control*/
ratio_max << 8); /*status*/
/* Generate the remaining entries */
for (ratio = ratio_min + ((num_entries - 1) * ratio_step);
ratio >= ratio_min; ratio -= ratio_step) {
/* Calculate power at this ratio */
power = calculate_power(power_max, ratio_max, ratio);
clock = ratio * SANDYBRIDGE_BCLK;
acpigen_write_PSS_package(
clock, /*MHz*/
power, /*mW*/
PSS_LATENCY_TRANSITION, /*lat1*/
PSS_LATENCY_BUSMASTER, /*lat2*/
ratio << 8, /*control*/
ratio << 8); /*status*/
}
/* Fix package length */
acpigen_pop_len();
}
void generate_cpu_entries(struct device *device)
{
int coreID, cpuID, pcontrol_blk = PMB0_BASE, plen = 6;
int totalcores = dev_count_cpu();
int cores_per_package = get_cores_per_package();
int numcpus = totalcores/cores_per_package;
printk(BIOS_DEBUG, "Found %d CPU(s) with %d core(s) each.\n",
numcpus, cores_per_package);
for (cpuID = 1; cpuID <= numcpus; cpuID++) {
for (coreID = 1; coreID <= cores_per_package; coreID++) {
if (coreID > 1) {
pcontrol_blk = 0;
plen = 0;
}
/* Generate processor \_PR.CPUx */
acpigen_write_processor(
(cpuID-1)*cores_per_package+coreID-1,
pcontrol_blk, plen);
/* Generate P-state tables */
generate_P_state_entries(
cpuID-1, cores_per_package);
/* Generate C-state tables */
generate_C_state_entries();
/* Generate T-state tables */
generate_T_state_entries(
cpuID-1, cores_per_package);
acpigen_pop_len();
}
}
}
struct chip_operations cpu_intel_model_206ax_ops = {
CHIP_NAME("Intel SandyBridge/IvyBridge CPU")
};

97
src/cpu/intel/fsp_model_206ax/acpi/cpu.asl
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@ -1,97 +0,0 @@
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2011 The ChromiumOS Authors. All rights reserved.
*
* 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.
*/
/* These devices are created at runtime */
External (\_PR.CP00, DeviceObj)
External (\_PR.CP01, DeviceObj)
External (\_PR.CP02, DeviceObj)
External (\_PR.CP03, DeviceObj)
External (\_PR.CP04, DeviceObj)
External (\_PR.CP05, DeviceObj)
External (\_PR.CP06, DeviceObj)
External (\_PR.CP07, DeviceObj)
/* Notify OS to re-read CPU tables, assuming ^2 CPU count */
Method (PNOT)
{
If (LGreaterEqual (\PCNT, 2)) {
Notify (\_PR.CP00, 0x81) // _CST
Notify (\_PR.CP01, 0x81) // _CST
}
If (LGreaterEqual (\PCNT, 4)) {
Notify (\_PR.CP02, 0x81) // _CST
Notify (\_PR.CP03, 0x81) // _CST
}
If (LGreaterEqual (\PCNT, 8)) {
Notify (\_PR.CP04, 0x81) // _CST
Notify (\_PR.CP05, 0x81) // _CST
Notify (\_PR.CP06, 0x81) // _CST
Notify (\_PR.CP07, 0x81) // _CST
}
}
/* Notify OS to re-read CPU _PPC limit, assuming ^2 CPU count */
Method (PPCN)
{
If (LGreaterEqual (\PCNT, 2)) {
Notify (\_PR.CP00, 0x80) // _PPC
Notify (\_PR.CP01, 0x80) // _PPC
}
If (LGreaterEqual (\PCNT, 4)) {
Notify (\_PR.CP02, 0x80) // _PPC
Notify (\_PR.CP03, 0x80) // _PPC
}
If (LGreaterEqual (\PCNT, 8)) {
Notify (\_PR.CP04, 0x80) // _PPC
Notify (\_PR.CP05, 0x80) // _PPC
Notify (\_PR.CP06, 0x80) // _PPC
Notify (\_PR.CP07, 0x80) // _PPC
}
}
/* Notify OS to re-read Throttle Limit tables, assuming ^2 CPU count */
Method (TNOT)
{
If (LGreaterEqual (\PCNT, 2)) {
Notify (\_PR.CP00, 0x82) // _TPC
Notify (\_PR.CP01, 0x82) // _TPC
}
If (LGreaterEqual (\PCNT, 4)) {
Notify (\_PR.CP02, 0x82) // _TPC
Notify (\_PR.CP03, 0x82) // _TPC
}
If (LGreaterEqual (\PCNT, 8)) {
Notify (\_PR.CP04, 0x82) // _TPC
Notify (\_PR.CP05, 0x82) // _TPC
Notify (\_PR.CP06, 0x82) // _TPC
Notify (\_PR.CP07, 0x82) // _TPC
}
}
/* Return a package containing enabled processor entries */
Method (PPKG)
{
If (LGreaterEqual (\PCNT, 8)) {
Return (Package() {\_PR.CP00, \_PR.CP01, \_PR.CP02, \_PR.CP03,
\_PR.CP04, \_PR.CP05, \_PR.CP06, \_PR.CP07})
} ElseIf (LGreaterEqual (\PCNT, 4)) {
Return (Package() {\_PR.CP00, \_PR.CP01, \_PR.CP02, \_PR.CP03})
} ElseIf (LGreaterEqual (\PCNT, 2)) {
Return (Package() {\_PR.CP00, \_PR.CP01})
} Else {
Return (Package() {\_PR.CP00})
}
}

21
src/cpu/intel/fsp_model_206ax/bootblock.c
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@ -1,21 +0,0 @@
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2011 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.
*/
#include <cpu/intel/microcode/microcode.c>
static void bootblock_cpu_init(void)
{
intel_update_microcode_from_cbfs();
}

31
src/cpu/intel/fsp_model_206ax/chip.h
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@ -1,31 +0,0 @@
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2011 The Chromium OS Authors. All rights reserved.
*
* 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.
*/
/* Magic value used to locate this chip in the device tree */
#define SPEEDSTEP_APIC_MAGIC 0xACAC
struct cpu_intel_fsp_model_206ax_config {
u8 disable_acpi; /* Do not generate CPU ACPI tables */
int c1_battery; /* ACPI C1 on Battery Power */
int c2_battery; /* ACPI C2 on Battery Power */
int c3_battery; /* ACPI C3 on Battery Power */
int c1_acpower; /* ACPI C1 on AC Power */
int c2_acpower; /* ACPI C2 on AC Power */
int c3_acpower; /* ACPI C3 on AC Power */
int tcc_offset; /* TCC Activation Offset */
};

77
src/cpu/intel/fsp_model_206ax/finalize.c
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@ -1,77 +0,0 @@
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2012 The Chromium OS Authors. All rights reserved.
*
* 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 <stdint.h>
#include <stdlib.h>
#include <arch/cpu.h>
#include <cpu/x86/msr.h>
#include "model_206ax.h"
/* MSR Documentation based on
* "Sandy Bridge Processor Family BIOS Writer's Guide (BWG)"
* Document Number 504790
* Revision 1.6.0, June 2012 */
static void msr_set_bit(unsigned int reg, unsigned int bit)
{
msr_t msr = rdmsr(reg);
if (bit < 32) {
if (msr.lo & (1 << bit))
return;
msr.lo |= 1 << bit;
} else {
if (msr.hi & (1 << (bit - 32)))
return;
msr.hi |= 1 << (bit - 32);
}
wrmsr(reg, msr);
}
void intel_model_206ax_finalize_smm(void)
{
/* Lock C-State MSR */
msr_set_bit(MSR_PKG_CST_CONFIG_CONTROL, 15);
/* Lock AES-NI only if supported */
if (cpuid_ecx(1) & (1 << 25))
msr_set_bit(MSR_FEATURE_CONFIG, 0);
#ifdef LOCK_POWER_CONTROL_REGISTERS
/*
* Lock the power control registers.
*
* These registers can be left unlocked if modifying power
* limits from the OS is desirable. Modifying power limits
* from the OS can be especially useful for experimentation
* during early phases of system bringup while the thermal
* power envelope is being proven.
*/
msr_set_bit(MSR_PP0_CURRENT_CONFIG, 31);
msr_set_bit(MSR_PP1_CURRENT_CONFIG, 31);
msr_set_bit(MSR_PKG_POWER_LIMIT, 63);
msr_set_bit(MSR_PP0_POWER_LIMIT, 31);
msr_set_bit(MSR_PP1_POWER_LIMIT, 31);
#endif
/* Lock TM interrupts - route thermal events to all processors */
msr_set_bit(MSR_MISC_PWR_MGMT, 22);
/* Lock memory configuration to protect SMM */
msr_set_bit(MSR_LT_LOCK_MEMORY, 0);
}

96
src/cpu/intel/fsp_model_206ax/model_206ax.h
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@ -1,96 +0,0 @@
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2011 The ChromiumOS Authors. All rights reserved.
*
* 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.
*/
#ifndef _CPU_INTEL_MODEL_206AX_H
#define _CPU_INTEL_MODEL_206AX_H
/* SandyBridge/IvyBridge bus clock is fixed at 100MHz */
#define SANDYBRIDGE_BCLK 100
#define MSR_FEATURE_CONFIG 0x13c
#define MSR_FLEX_RATIO 0x194
#define FLEX_RATIO_LOCK (1 << 20)
#define FLEX_RATIO_EN (1 << 16)
#define MSR_TEMPERATURE_TARGET 0x1a2
#define MSR_LT_LOCK_MEMORY 0x2e7
#define MSR_PIC_MSG_CONTROL 0x2e
#define MSR_PLATFORM_INFO 0xce
#define PLATFORM_INFO_SET_TDP (1 << 29)
#define MSR_PKG_CST_CONFIG_CONTROL 0xe2
#define MSR_PMG_IO_CAPTURE_BASE 0xe4
#define MSR_MISC_PWR_MGMT 0x1aa
#define MISC_PWR_MGMT_EIST_HW_DIS (1 << 0)
#define MSR_TURBO_RATIO_LIMIT 0x1ad
#define MSR_POWER_CTL 0x1fc
#define MSR_PKGC3_IRTL 0x60a
#define MSR_PKGC6_IRTL 0x60b
#define MSR_PKGC7_IRTL 0x60c
#define IRTL_VALID (1 << 15)
#define IRTL_1_NS (0 << 10)
#define IRTL_32_NS (1 << 10)
#define IRTL_1024_NS (2 << 10)
#define IRTL_32768_NS (3 << 10)
#define IRTL_1048576_NS (4 << 10)
#define IRTL_33554432_NS (5 << 10)
#define IRTL_RESPONSE_MASK (0x3ff)
/* long duration in low dword, short duration in high dword */
#define MSR_PKG_POWER_LIMIT 0x610
#define PKG_POWER_LIMIT_MASK 0x7fff
#define PKG_POWER_LIMIT_EN (1 << 15)
#define PKG_POWER_LIMIT_CLAMP (1 << 16)
#define PKG_POWER_LIMIT_TIME_SHIFT 17
#define PKG_POWER_LIMIT_TIME_MASK 0x7f
#define MSR_PP0_CURRENT_CONFIG 0x601
#define PP0_CURRENT_LIMIT (112 << 3) /* 112 A */
#define MSR_PP1_CURRENT_CONFIG 0x602
#define PP1_CURRENT_LIMIT_SNB (35 << 3) /* 35 A */
#define PP1_CURRENT_LIMIT_IVB (50 << 3) /* 50 A */
#define MSR_PKG_POWER_SKU_UNIT 0x606
#define MSR_PKG_POWER_SKU 0x614
#define MSR_PP0_POWER_LIMIT 0x638
#define MSR_PP1_POWER_LIMIT 0x640
#define IVB_CONFIG_TDP_MIN_CPUID 0x306a2
#define MSR_CONFIG_TDP_NOMINAL 0x648
#define MSR_CONFIG_TDP_LEVEL1 0x649
#define MSR_CONFIG_TDP_LEVEL2 0x64a
#define MSR_CONFIG_TDP_CONTROL 0x64b
#define MSR_TURBO_ACTIVATION_RATIO 0x64c
/* P-state configuration */
#define PSS_MAX_ENTRIES 8
#define PSS_RATIO_STEP 2
#define PSS_LATENCY_TRANSITION 10
#define PSS_LATENCY_BUSMASTER 10
#ifndef __ROMCC__
#ifdef __SMM__
/* Lock MSRs */
void intel_model_206ax_finalize_smm(void);
#else
/* Configure power limits for turbo mode */
void set_power_limits(u8 power_limit_1_time);
int cpu_config_tdp_levels(void);
void smm_relocate(void);
#endif
#endif
#endif

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src/cpu/intel/fsp_model_206ax/model_206ax_init.c
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@ -1,395 +0,0 @@
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2007-2009 coresystems GmbH
* Copyright (C) 2011 The ChromiumOS Authors. All rights reserved.
*
* 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 <device/device.h>
#include <string.h>
#include <arch/acpi.h>
#include <cpu/cpu.h>
#include <cpu/x86/mtrr.h>
#include <cpu/x86/msr.h>
#include <cpu/x86/lapic.h>
#include <cpu/intel/microcode.h>
#include <cpu/intel/speedstep.h>
#include <cpu/intel/turbo.h>
#include <cpu/x86/cache.h>
#include <cpu/x86/name.h>
#include <pc80/mc146818rtc.h>
#include "model_206ax.h"
#include "chip.h"
#include <cpu/intel/smm/gen1/smi.h>
#include <cpu/intel/common/common.h>
/* Convert time in seconds to POWER_LIMIT_1_TIME MSR value */
static const u8 power_limit_time_sec_to_msr[] = {
[0] = 0x00,
[1] = 0x0a,
[2] = 0x0b,
[3] = 0x4b,
[4] = 0x0c,
[5] = 0x2c,
[6] = 0x4c,
[7] = 0x6c,
[8] = 0x0d,
[10] = 0x2d,
[12] = 0x4d,
[14] = 0x6d,
[16] = 0x0e,
[20] = 0x2e,
[24] = 0x4e,
[28] = 0x6e,
[32] = 0x0f,
[40] = 0x2f,
[48] = 0x4f,
[56] = 0x6f,
[64] = 0x10,
[80] = 0x30,
[96] = 0x50,
[112] = 0x70,
[128] = 0x11,
};
/* Convert POWER_LIMIT_1_TIME MSR value to seconds */
static const u8 power_limit_time_msr_to_sec[] = {
[0x00] = 0,
[0x0a] = 1,
[0x0b] = 2,
[0x4b] = 3,
[0x0c] = 4,
[0x2c] = 5,
[0x4c] = 6,
[0x6c] = 7,
[0x0d] = 8,
[0x2d] = 10,
[0x4d] = 12,
[0x6d] = 14,
[0x0e] = 16,
[0x2e] = 20,
[0x4e] = 24,
[0x6e] = 28,
[0x0f] = 32,
[0x2f] = 40,
[0x4f] = 48,
[0x6f] = 56,
[0x10] = 64,
[0x30] = 80,
[0x50] = 96,
[0x70] = 112,
[0x11] = 128,
};
int cpu_config_tdp_levels(void)
{
msr_t platform_info;
/* Minimum CPU revision */
if (cpuid_eax(1) < IVB_CONFIG_TDP_MIN_CPUID)
return 0;
/* Bits 34:33 indicate how many levels supported */
platform_info = rdmsr(MSR_PLATFORM_INFO);
return (platform_info.hi >> 1) & 3;
}
/*
* Configure processor power limits if possible
* This must be done AFTER set of BIOS_RESET_CPL
*/
void set_power_limits(u8 power_limit_1_time)
{
msr_t msr = rdmsr(MSR_PLATFORM_INFO);
msr_t limit;
unsigned int power_unit;
unsigned int tdp, min_power, max_power, max_time;
u8 power_limit_1_val;
if (power_limit_1_time >= ARRAY_SIZE(power_limit_time_sec_to_msr))
return;
if (!(msr.lo & PLATFORM_INFO_SET_TDP))
return;
/* Get units */
msr = rdmsr(MSR_PKG_POWER_SKU_UNIT);
power_unit = 2 << ((msr.lo & 0xf) - 1);
/* Get power defaults for this SKU */
msr = rdmsr(MSR_PKG_POWER_SKU);
tdp = msr.lo & 0x7fff;
min_power = (msr.lo >> 16) & 0x7fff;
max_power = msr.hi & 0x7fff;
max_time = (msr.hi >> 16) & 0x7f;
printk(BIOS_DEBUG, "CPU TDP: %u Watts\n", tdp / power_unit);
if (power_limit_time_msr_to_sec[max_time] > power_limit_1_time)
power_limit_1_time = power_limit_time_msr_to_sec[max_time];
if (min_power > 0 && tdp < min_power)
tdp = min_power;
if (max_power > 0 && tdp > max_power)
tdp = max_power;
power_limit_1_val = power_limit_time_sec_to_msr[power_limit_1_time];
/* Set long term power limit to TDP */
limit.lo = 0;
limit.lo |= tdp & PKG_POWER_LIMIT_MASK;
limit.lo |= PKG_POWER_LIMIT_EN;
limit.lo |= (power_limit_1_val & PKG_POWER_LIMIT_TIME_MASK) <<
PKG_POWER_LIMIT_TIME_SHIFT;
/* Set short term power limit to 1.25 * TDP */
limit.hi = 0;
limit.hi |= ((tdp * 125) / 100) & PKG_POWER_LIMIT_MASK;
limit.hi |= PKG_POWER_LIMIT_EN;
/* Power limit 2 time is only programmable on SNB EP/EX */
wrmsr(MSR_PKG_POWER_LIMIT, limit);
/* Use nominal TDP values for CPUs with configurable TDP */
if (cpu_config_tdp_levels()) {
msr = rdmsr(MSR_CONFIG_TDP_NOMINAL);
limit.hi = 0;
limit.lo = msr.lo & 0xff;
wrmsr(MSR_TURBO_ACTIVATION_RATIO, limit);
}
}
static void configure_misc(void)
{
msr_t msr;
msr = rdmsr(IA32_MISC_ENABLE);
msr.lo |= (1 << 0); /* Fast String enable */
msr.lo |= (1 << 3); /* TM1/TM2/EMTTM enable */
msr.lo |= (1 << 16); /* Enhanced SpeedStep Enable */
wrmsr(IA32_MISC_ENABLE, msr);
/* Disable Thermal interrupts */
msr.lo = 0;
msr.hi = 0;
wrmsr(IA32_THERM_INTERRUPT, msr);
/* Enable package critical interrupt only */
msr.lo = 1 << 4;
msr.hi = 0;
wrmsr(IA32_PACKAGE_THERM_INTERRUPT, msr);
}
static void enable_lapic_tpr(void)
{
msr_t msr;
msr = rdmsr(MSR_PIC_MSG_CONTROL);
msr.lo &= ~(1 << 10); /* Enable APIC TPR updates */
wrmsr(MSR_PIC_MSG_CONTROL, msr);
}
static void configure_dca_cap(void)
{
struct cpuid_result cpuid_regs;
msr_t msr;
/* Check feature flag in CPUID.(EAX=1):ECX[18]==1 */
cpuid_regs = cpuid(1);
if (cpuid_regs.ecx & (1 << 18)) {
msr = rdmsr(IA32_PLATFORM_DCA_CAP);
msr.lo |= 1;
wrmsr(IA32_PLATFORM_DCA_CAP, msr);
}
}
static void set_max_ratio(void)
{
msr_t msr, perf_ctl;
perf_ctl.hi = 0;
/* Check for configurable TDP option */
if (cpu_config_tdp_levels()) {
/* Set to nominal TDP ratio */
msr = rdmsr(MSR_CONFIG_TDP_NOMINAL);
perf_ctl.lo = (msr.lo & 0xff) << 8;
} else {
/* Platform Info bits 15:8 give max ratio */
msr = rdmsr(MSR_PLATFORM_INFO);
perf_ctl.lo = msr.lo & 0xff00;
}
wrmsr(IA32_PERF_CTL, perf_ctl);
printk(BIOS_DEBUG, "model_x06ax: frequency set to %d\n",
((perf_ctl.lo >> 8) & 0xff) * SANDYBRIDGE_BCLK);
}
static void configure_mca(void)
{
msr_t msr;
int i;
msr.lo = msr.hi = 0;
/* This should only be done on a cold boot */
for (i = 0; i < 7; i++)
wrmsr(IA32_MC0_STATUS + (i * 4), msr);
}
int cpu_get_apic_id_map(int *apic_id_map)
{
struct cpuid_result result;
unsigned int threads_per_package, threads_per_core, i, shift = 0;
/* Logical processors (threads) per core */
result = cpuid_ext(0xb, 0);
threads_per_core = result.ebx & 0xffff;
/* Logical processors (threads) per package */
result = cpuid_ext(0xb, 1);
threads_per_package = result.ebx & 0xffff;
if (threads_per_core == 1)
shift++;
for (i = 0; i < threads_per_package && i < CONFIG_MAX_CPUS; i++)
apic_id_map[i] = i << shift;
return threads_per_package;
}
/*
* Initialize any extra cores/threads in this package.
*/
static void intel_cores_init(struct device *cpu)
{
struct cpuid_result result;
unsigned int threads_per_package, threads_per_core, i;
/* Logical processors (threads) per core */
result = cpuid_ext(0xb, 0);
threads_per_core = result.ebx & 0xffff;
/* Logical processors (threads) per package */
result = cpuid_ext(0xb, 1);
threads_per_package = result.ebx & 0xffff;
/* Only initialize extra cores from BSP */
if (cpu->path.apic.apic_id)
return;
printk(BIOS_DEBUG, "CPU: %u has %u cores, %u threads per core\n",
cpu->path.apic.apic_id, threads_per_package/threads_per_core,
threads_per_core);
for (i = 1; i < threads_per_package; ++i) {
struct device_path cpu_path;
struct device *new;
/* Build the CPU device path */
cpu_path.type = DEVICE_PATH_APIC;
cpu_path.apic.apic_id =
cpu->path.apic.apic_id + i;
/* Update APIC ID if no hyperthreading */
if (threads_per_core == 1)
cpu_path.apic.apic_id <<= 1;
/* Allocate the new CPU device structure */
new = alloc_dev(cpu->bus, &cpu_path);
if (!new)
continue;
printk(BIOS_DEBUG, "CPU: %u has core %u\n",
cpu->path.apic.apic_id,
new->path.apic.apic_id);
/* Start the new CPU */
if (is_smp_boot() && !start_cpu(new)) {
/* Record the error in cpu? */
printk(BIOS_ERR, "CPU %u would not start!\n",
new->path.apic.apic_id);
}
}
}
static void model_206ax_init(struct device *cpu)
{
char processor_name[49];
/* Turn on caching if we haven't already */
x86_enable_cache();
intel_update_microcode_from_cbfs();
/* Clear out pending MCEs */
configure_mca();
/* Print processor name */
fill_processor_name(processor_name);
printk(BIOS_INFO, "CPU: %s.\n", processor_name);
/* Setup MTRRs based on physical address size */
x86_setup_mtrrs_with_detect();
x86_mtrr_check();
/* Setup Page Attribute Tables (PAT) */
// TODO set up PAT
/* Enable the local CPU APICs */
enable_lapic_tpr();
setup_lapic();
/* Set virtualization based on Kconfig option */
set_vmx();
/* Configure Enhanced SpeedStep and Thermal Sensors */
configure_misc();
/* Enable Direct Cache Access */
configure_dca_cap();
/* Set Max Ratio */
set_max_ratio();
/* Enable Turbo */
enable_turbo();
/* Start up extra cores */
intel_cores_init(cpu);
}
static struct device_operations cpu_dev_ops = {
.init = model_206ax_init,
};
static const struct cpu_device_id cpu_table[] = {
{ X86_VENDOR_INTEL, 0x206a0 }, /* Intel Sandybridge */
{ X86_VENDOR_INTEL, 0x206a6 }, /* Intel Sandybridge D1 */
{ X86_VENDOR_INTEL, 0x206a7 }, /* Intel Sandybridge D2/J1 */
{ X86_VENDOR_INTEL, 0x306a0 }, /* Intel IvyBridge */
{ X86_VENDOR_INTEL, 0x306a2 }, /* Intel IvyBridge */
{ X86_VENDOR_INTEL, 0x306a4 }, /* Intel IvyBridge */
{ X86_VENDOR_INTEL, 0x306a5 }, /* Intel IvyBridge */
{ X86_VENDOR_INTEL, 0x306a6 }, /* Intel IvyBridge */
{ X86_VENDOR_INTEL, 0x306a8 }, /* Intel IvyBridge */
{ X86_VENDOR_INTEL, 0x306a9 }, /* Intel IvyBridge */
{ 0, 0 },
};
static const struct cpu_driver driver __cpu_driver = {
.ops = &cpu_dev_ops,
.id_table = cpu_table,
};