[coreboot] Patch set updated for coreboot: 5cc6cb3 Add support for Intel Sandybridge CPU
Stefan Reinauer (stefan.reinauer@coreboot.org)
gerrit at coreboot.org
Wed Apr 4 00:15:04 CEST 2012
Stefan Reinauer (stefan.reinauer at coreboot.org) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/855
-gerrit
commit 5cc6cb3584fb6e662fcdf8a526ec2d289e248380
Author: Stefan Reinauer <stefan.reinauer at coreboot.org>
Date: Wed Apr 4 00:09:50 2012 +0200
Add support for Intel Sandybridge CPU
Change-Id: I9f37e291c00c0640c6600d8fdd6dcc13c3e5b8d5
Signed-off-by: Duncan Laurie <dlaurie at google.com>
Signed-off-by: Stefan Reinauer <reinauer at google.com>
---
src/cpu/intel/Kconfig | 2 +
src/cpu/intel/Makefile.inc | 3 +
src/cpu/intel/microcode/update-microcodes.sh | 6 +-
src/cpu/intel/model_206ax/Kconfig | 53 ++
src/cpu/intel/model_206ax/Makefile.inc | 8 +
src/cpu/intel/model_206ax/acpi.c | 357 ++++++++++++
src/cpu/intel/model_206ax/acpi/cpu.asl | 91 +++
src/cpu/intel/model_206ax/bootblock.c | 152 +++++
src/cpu/intel/model_206ax/cache_as_ram.inc | 348 +++++++++++
src/cpu/intel/model_206ax/chip.h | 37 ++
src/cpu/intel/model_206ax/finalize.c | 60 ++
.../model_206ax/microcode-m12206a7_00000025.h | 611 ++++++++++++++++++++
src/cpu/intel/model_206ax/model_206ax.h | 98 ++++
src/cpu/intel/model_206ax/model_206ax_init.c | 558 ++++++++++++++++++
src/cpu/intel/model_206ax/x06_microcode.h | 31 +
src/cpu/intel/socket_rPGA989/Kconfig | 16 +
src/cpu/intel/socket_rPGA989/Makefile.inc | 8 +
src/cpu/intel/socket_rPGA989/chip.h | 4 +
src/cpu/intel/socket_rPGA989/socket_rPGA989.c | 6 +
19 files changed, 2446 insertions(+), 3 deletions(-)
diff --git a/src/cpu/intel/Kconfig b/src/cpu/intel/Kconfig
index 81a834c..c6dab12 100644
--- a/src/cpu/intel/Kconfig
+++ b/src/cpu/intel/Kconfig
@@ -9,6 +9,7 @@ source src/cpu/intel/model_6ex/Kconfig
source src/cpu/intel/model_6fx/Kconfig
source src/cpu/intel/model_1067x/Kconfig
source src/cpu/intel/model_106cx/Kconfig
+source src/cpu/intel/model_206ax/Kconfig
source src/cpu/intel/model_f0x/Kconfig
source src/cpu/intel/model_f1x/Kconfig
source src/cpu/intel/model_f2x/Kconfig
@@ -29,3 +30,4 @@ source src/cpu/intel/socket_mPGA604/Kconfig
source src/cpu/intel/socket_PGA370/Kconfig
source src/cpu/intel/socket_441/Kconfig
source src/cpu/intel/socket_LGA771/Kconfig
+source src/cpu/intel/socket_rPGA989/Kconfig
diff --git a/src/cpu/intel/Makefile.inc b/src/cpu/intel/Makefile.inc
index 05f947d..9e498f1 100644
--- a/src/cpu/intel/Makefile.inc
+++ b/src/cpu/intel/Makefile.inc
@@ -14,6 +14,9 @@ subdirs-$(CONFIG_CPU_INTEL_SOCKET_MPGA479M) += socket_mPGA479M
subdirs-$(CONFIG_CPU_INTEL_SOCKET_MPGA603) += socket_mPGA603
subdirs-$(CONFIG_CPU_INTEL_SOCKET_MPGA604) += socket_mPGA604
subdirs-$(CONFIG_CPU_INTEL_SOCKET_PGA370) += socket_PGA370
+subdirs-$(CONFIG_CPU_INTEL_SOCKET_RPGA989) += socket_rPGA989
+subdirs-$(CONFIG_NORTHBRIDGE_INTEL_SANDYBRIDGE) += model_206ax
+subdirs-$(CONFIG_NORTHBRIDGE_INTEL_IVYBRIDGE) += model_206ax
subdirs-$(CONFIG_CPU_INTEL_SLOT_2) += slot_2
subdirs-$(CONFIG_CPU_INTEL_SLOT_1) += slot_1
subdirs-$(CONFIG_CPU_INTEL_SOCKET_LGA771) += socket_LGA771
diff --git a/src/cpu/intel/microcode/update-microcodes.sh b/src/cpu/intel/microcode/update-microcodes.sh
index 7a234a8..cd1428a 100755
--- a/src/cpu/intel/microcode/update-microcodes.sh
+++ b/src/cpu/intel/microcode/update-microcodes.sh
@@ -18,10 +18,10 @@
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
-MICROCODE_VERSION=20100914
+MICROCODE_VERSION=20111110
MICROCODE_ARCHIVE=microcode-$MICROCODE_VERSION.tgz
-MICROCODE_FILE=microcode-$MICROCODE_VERSION.dat
-INTEL_MICROCODE=http://downloadmirror.intel.com/19342/eng/$MICROCODE_ARCHIVE
+MICROCODE_FILE=microcode.dat
+INTEL_MICROCODE=http://downloadmirror.intel.com/20728/eng/$MICROCODE_ARCHIVE
#
# Getting Intel(R) Microcode
diff --git a/src/cpu/intel/model_206ax/Kconfig b/src/cpu/intel/model_206ax/Kconfig
new file mode 100644
index 0000000..c11f21a
--- /dev/null
+++ b/src/cpu/intel/model_206ax/Kconfig
@@ -0,0 +1,53 @@
+config CPU_INTEL_MODEL_206AX
+ bool
+
+config CPU_INTEL_MODEL_306AX
+ bool
+
+if CPU_INTEL_MODEL_206AX || CPU_INTEL_MODEL_306AX
+
+config CPU_SPECIFIC_OPTIONS
+ def_bool y
+ select SMP
+ select SSE2
+ select UDELAY_LAPIC
+ select SMM_TSEG
+ #select AP_IN_SIPI_WAIT
+
+config BOOTBLOCK_CPU_INIT
+ string
+ default "cpu/intel/model_206ax/bootblock.c"
+
+config SERIAL_CPU_INIT
+ bool
+ default n
+
+config SMM_TSEG_SIZE
+ hex
+ default 0x800000
+
+config ENABLE_VMX
+ bool "Enable VMX for virtualization"
+ default n
+
+endif
+
+if CPU_INTEL_MODEL_206AX
+ config CPU_MODEL_NAME
+ string
+ default "Intel SandyBridge CPU"
+
+ config CPU_MODEL_INDEX
+ hex
+ default 0x2a
+endif
+
+if CPU_INTEL_MODEL_306AX
+ config CPU_MODEL_NAME
+ string
+ default "Intel IvyBridge CPU"
+
+ config CPU_MODEL_INDEX
+ hex
+ default 0x3a
+endif
diff --git a/src/cpu/intel/model_206ax/Makefile.inc b/src/cpu/intel/model_206ax/Makefile.inc
new file mode 100644
index 0000000..e9b8e6d
--- /dev/null
+++ b/src/cpu/intel/model_206ax/Makefile.inc
@@ -0,0 +1,8 @@
+driver-y += model_206ax_init.c
+subdirs-y += ../../x86/name
+
+ramstage-$(CONFIG_GENERATE_ACPI_TABLES) += acpi.c
+
+smm-$(CONFIG_HAVE_SMI_HANDLER) += finalize.c
+
+cpu_incs += $(src)/cpu/intel/model_206ax/cache_as_ram.inc
diff --git a/src/cpu/intel/model_206ax/acpi.c b/src/cpu/intel/model_206ax/acpi.c
new file mode 100644
index 0000000..3a3a1fd
--- /dev/null
+++ b/src/cpu/intel/model_206ax/acpi.c
@@ -0,0 +1,357 @@
+/*
+ * 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.
+ *
+ * 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 <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/acpi.h>
+#include <cpu/intel/speedstep.h>
+#include <cpu/intel/turbo.h>
+#include <device/device.h>
+#include <device/pci.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;
+
+ switch (c.x86_model) {
+ case CONFIG_CPU_MODEL_INDEX:
+ result = cpuid_ext(0xb, 1);
+ cores = result.ebx & 0xff;
+ break;
+ default:
+ cores = (cpuid_ebx(1) >> 16) & 0xff;
+ break;
+ }
+
+ return cores;
+}
+
+static int generate_cstate_entries(acpi_cstate_t *cstates,
+ int c1, int c2, int c3)
+{
+ int length, 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 0;
+
+ length = acpigen_write_package(cstate_count + 1);
+ length += acpigen_write_byte(cstate_count);
+
+ /* Add an entry if the level is enabled */
+ if (c1 > 0)
+ length += acpigen_write_CST_package(1, &cstates[c1]);
+ if (c2 > 0)
+ length += acpigen_write_CST_package(2, &cstates[c2]);
+ if (c3 > 0)
+ length += acpigen_write_CST_package(3, &cstates[c3]);
+
+ acpigen_patch_len(length - 1);
+ return length;
+}
+
+static int generate_C_state_entries(void)
+{
+ struct cpu_info *info;
+ struct cpu_driver *cpu;
+ int len, lenif;
+ device_t lapic;
+ struct cpu_intel_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 0;
+ conf = lapic->chip_info;
+ if (!conf)
+ return 0;
+
+ /* Find CPU map of supported C-states */
+ info = cpu_info();
+ if (!info)
+ return 0;
+ cpu = find_cpu_driver(info->cpu);
+ if (!cpu || !cpu->cstates)
+ return 0;
+
+ len = acpigen_emit_byte(0x14); /* MethodOp */
+ len += acpigen_write_len_f(); /* PkgLength */
+ len += acpigen_emit_namestring("_CST");
+ len += acpigen_emit_byte(0x00); /* No Arguments */
+
+ /* If running on AC power */
+ len += acpigen_emit_byte(0xa0); /* IfOp */
+ lenif = acpigen_write_len_f(); /* PkgLength */
+ lenif += acpigen_emit_namestring("PWRS");
+ lenif += acpigen_emit_byte(0xa4); /* ReturnOp */
+ lenif += generate_cstate_entries(cpu->cstates, conf->c1_acpower,
+ conf->c2_acpower, conf->c3_acpower);
+ acpigen_patch_len(lenif - 1);
+ len += lenif;
+
+ /* Else on battery power */
+ len += acpigen_emit_byte(0xa4); /* ReturnOp */
+ len += generate_cstate_entries(cpu->cstates, conf->c1_battery,
+ conf->c2_battery, conf->c3_battery);
+ acpigen_patch_len(len - 1);
+ return 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 int generate_T_state_entries(int core, int cores_per_package)
+{
+ int len;
+
+ /* Indicate SW_ALL coordination for T-states */
+ len = acpigen_write_TSD_package(core, cores_per_package, SW_ALL);
+
+ /* Indicate FFixedHW so OS will use MSR */
+ len += acpigen_write_empty_PTC();
+
+ /* Set a T-state limit that can be modified in NVS */
+ len += acpigen_write_TPC("\\TLVL");
+
+ /*
+ * CPUID.(EAX=6):EAX[5] indicates support
+ * for extended throttle levels.
+ */
+ if (cpuid_eax(6) & (1 << 5))
+ len += acpigen_write_TSS_package(
+ ARRAY_SIZE(tss_table_fine), tss_table_fine);
+ else
+ len += acpigen_write_TSS_package(
+ ARRAY_SIZE(tss_table_coarse), tss_table_coarse);
+
+ return len;
+}
+
+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 int generate_P_state_entries(int core, int cores_per_package)
+{
+ int len, len_pss;
+ 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 */
+ ratio_max = (msr.lo >> 8) & 0xff; /* Max Non-Turbo Ratio */
+ 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 */
+ len = acpigen_write_empty_PCT();
+
+ /* Write _PPC with no limit on supported P-state */
+ len += acpigen_write_PPC(0);
+
+ /* Write PSD indicating configured coordination type */
+ len += acpigen_write_PSD_package(core, cores_per_package, coord_type);
+
+ /* Add P-state entries in _PSS table */
+ len += 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 */
+ len_pss = acpigen_write_package(num_entries + 2);
+
+ msr = rdmsr(MSR_TURBO_RATIO_LIMIT);
+ ratio_turbo = msr.lo & 0xff;
+
+ /* Add entry for Turbo ratio */
+ len_pss += 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 */
+ len_pss = acpigen_write_package(num_entries + 1);
+ }
+
+ /* First regular entry is max non-turbo ratio */
+ len_pss += 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;
+
+ len_pss += 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 */
+ len_pss--;
+ acpigen_patch_len(len_pss);
+
+ return len + len_pss;
+}
+
+void generate_cpu_entries(void)
+{
+ int len_pr;
+ 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 */
+ len_pr = acpigen_write_processor(
+ (cpuID-1)*cores_per_package+coreID-1,
+ pcontrol_blk, plen);
+
+ /* Generate P-state tables */
+ len_pr += generate_P_state_entries(
+ cpuID-1, cores_per_package);
+
+ /* Generate C-state tables */
+ len_pr += generate_C_state_entries();
+
+ /* Generate T-state tables */
+ len_pr += generate_T_state_entries(
+ cpuID-1, cores_per_package);
+
+ len_pr--;
+ acpigen_patch_len(len_pr);
+ }
+ }
+}
+
+struct chip_operations cpu_intel_model_206ax_ops = {
+ CHIP_NAME(CONFIG_CPU_MODEL_NAME)
+};
diff --git a/src/cpu/intel/model_206ax/acpi/cpu.asl b/src/cpu/intel/model_206ax/acpi/cpu.asl
new file mode 100644
index 0000000..a9d5eeb
--- /dev/null
+++ b/src/cpu/intel/model_206ax/acpi/cpu.asl
@@ -0,0 +1,91 @@
+/*
+ * 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.
+ *
+ * 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
+ */
+
+/* These devices are created at runtime */
+External (\_PR.CPU0, DeviceObj)
+External (\_PR.CPU1, DeviceObj)
+External (\_PR.CPU2, DeviceObj)
+External (\_PR.CPU3, DeviceObj)
+External (\_PR.CPU4, DeviceObj)
+External (\_PR.CPU5, DeviceObj)
+External (\_PR.CPU6, DeviceObj)
+External (\_PR.CPU7, DeviceObj)
+
+/* Notify OS to re-read CPU tables, assuming ^2 CPU count */
+Method (PNOT)
+{
+ If (LGreaterEqual (\PCNT, 2)) {
+ Notify (\_PR.CPU0, 0x80) // _PPC
+ Notify (\_PR.CPU0, 0x81) // _CST
+ Notify (\_PR.CPU1, 0x80) // _PPC
+ Notify (\_PR.CPU1, 0x81) // _CST
+ }
+ If (LGreaterEqual (\PCNT, 4)) {
+ Notify (\_PR.CPU2, 0x80) // _PPC
+ Notify (\_PR.CPU2, 0x81) // _CST
+ Notify (\_PR.CPU3, 0x80) // _PPC
+ Notify (\_PR.CPU3, 0x81) // _CST
+ }
+ If (LGreaterEqual (\PCNT, 8)) {
+ Notify (\_PR.CPU4, 0x80) // _PPC
+ Notify (\_PR.CPU4, 0x81) // _CST
+ Notify (\_PR.CPU5, 0x80) // _PPC
+ Notify (\_PR.CPU5, 0x81) // _CST
+ Notify (\_PR.CPU6, 0x80) // _PPC
+ Notify (\_PR.CPU6, 0x81) // _CST
+ Notify (\_PR.CPU7, 0x80) // _PPC
+ Notify (\_PR.CPU7, 0x81) // _CST
+ }
+}
+
+/* Notify OS to re-read Throttle Limit tables, assuming ^2 CPU count */
+Method (TNOT)
+{
+ If (LGreaterEqual (\PCNT, 2)) {
+ Notify (\_PR.CPU0, 0x82) // _TPC
+ Notify (\_PR.CPU1, 0x82) // _TPC
+ }
+ If (LGreaterEqual (\PCNT, 4)) {
+ Notify (\_PR.CPU2, 0x82) // _TPC
+ Notify (\_PR.CPU3, 0x82) // _TPC
+ }
+ If (LGreaterEqual (\PCNT, 8)) {
+ Notify (\_PR.CPU4, 0x82) // _TPC
+ Notify (\_PR.CPU5, 0x82) // _TPC
+ Notify (\_PR.CPU6, 0x82) // _TPC
+ Notify (\_PR.CPU7, 0x82) // _TPC
+ }
+}
+
+/* Return a package containing enabled processor entries */
+Method (PPKG)
+{
+ If (LGreaterEqual (\PCNT, 8)) {
+ Return (Package() {\_PR.CPU0, \_PR.CPU1, \_PR.CPU2, \_PR.CPU3,
+ \_PR.CPU4, \_PR.CPU5, \_PR.CPU6, \_PR.CPU7})
+ } ElseIf (LGreaterEqual (\PCNT, 4)) {
+ Return (Package() {\_PR.CPU0, \_PR.CPU1, \_PR.CPU2, \_PR.CPU3})
+ } ElseIf (LGreaterEqual (\PCNT, 2)) {
+ Return (Package() {\_PR.CPU0, \_PR.CPU1})
+ } Else {
+ Return (Package() {\_PR.CPU0})
+ }
+}
diff --git a/src/cpu/intel/model_206ax/bootblock.c b/src/cpu/intel/model_206ax/bootblock.c
new file mode 100644
index 0000000..7925315
--- /dev/null
+++ b/src/cpu/intel/model_206ax/bootblock.c
@@ -0,0 +1,152 @@
+/*
+ * 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.
+ *
+ * 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 <stdint.h>
+#include <arch/cpu.h>
+#include <cpu/x86/cache.h>
+#include <cpu/x86/msr.h>
+#include <cpu/x86/mtrr.h>
+
+static const uint32_t microcode_updates[] = {
+ #include "x06_microcode.h"
+};
+
+struct microcode {
+ u32 hdrver; /* Header Version */
+ u32 rev; /* Patch ID */
+ u32 date; /* DATE */
+ u32 sig; /* CPUID */
+
+ u32 cksum; /* Checksum */
+ u32 ldrver; /* Loader Version */
+ u32 pf; /* Platform ID */
+
+ u32 data_size; /* Data size */
+ u32 total_size; /* Total size */
+
+ u32 reserved[3];
+ u32 bits[1012];
+};
+
+static inline u32 read_microcode_rev(void)
+{
+ /* Some Intel Cpus can be very finicky about the
+ * CPUID sequence used. So this is implemented in
+ * assembly so that it works reliably.
+ */
+ msr_t msr;
+ __asm__ volatile (
+ "wrmsr\n\t"
+ "xorl %%eax, %%eax\n\t"
+ "xorl %%edx, %%edx\n\t"
+ "movl $0x8b, %%ecx\n\t"
+ "wrmsr\n\t"
+ "movl $0x01, %%eax\n\t"
+ "cpuid\n\t"
+ "movl $0x08b, %%ecx\n\t"
+ "rdmsr \n\t"
+ : /* outputs */
+ "=a" (msr.lo), "=d" (msr.hi)
+ : /* inputs */
+ : /* trashed */
+ "ecx"
+ );
+ return msr.hi;
+}
+
+void intel_update_microcode(const void *microcode_updates)
+{
+ unsigned int eax;
+ unsigned int pf, rev, sig;
+ unsigned int x86_model, x86_family;
+ const struct microcode *m;
+ const char *c;
+ msr_t msr;
+
+ /* cpuid sets msr 0x8B iff a microcode update has been loaded. */
+ msr.lo = 0;
+ msr.hi = 0;
+ wrmsr(0x8B, msr);
+ eax = cpuid_eax(1);
+ msr = rdmsr(0x8B);
+ rev = msr.hi;
+ x86_model = (eax >>4) & 0x0f;
+ x86_family = (eax >>8) & 0x0f;
+ sig = eax;
+
+ pf = 0;
+ if ((x86_model >= 5)||(x86_family>6)) {
+ msr = rdmsr(0x17);
+ pf = 1 << ((msr.hi >> 18) & 7);
+ }
+
+ m = microcode_updates;
+ for(c = microcode_updates; m->hdrver; m = (const struct microcode *)c) {
+ if ((m->sig == sig) && (m->pf & pf)) {
+ unsigned int new_rev;
+ msr.lo = (unsigned long)(&m->bits) & 0xffffffff;
+ msr.hi = 0;
+ wrmsr(0x79, msr);
+
+ /* Read back the new microcode version */
+ new_rev = read_microcode_rev();
+ break;
+ }
+ if (m->total_size) {
+ c += m->total_size;
+ } else {
+ c += 2048;
+ }
+ }
+}
+
+static void set_var_mtrr(
+ unsigned reg, unsigned base, unsigned size, unsigned type)
+
+{
+ /* Bit Bit 32-35 of MTRRphysMask should be set to 1 */
+ /* FIXME: It only support 4G less range */
+ msr_t basem, maskm;
+ basem.lo = base | type;
+ basem.hi = 0;
+ wrmsr(MTRRphysBase_MSR(reg), basem);
+ maskm.lo = ~(size - 1) | MTRRphysMaskValid;
+ maskm.hi = (1 << (CONFIG_CPU_ADDR_BITS - 32)) - 1;
+ wrmsr(MTRRphysMask_MSR(reg), maskm);
+}
+
+static void enable_rom_caching(void)
+{
+ msr_t msr;
+
+ disable_cache();
+ set_var_mtrr(1, 0xffc00000, 4*1024*1024, MTRR_TYPE_WRPROT);
+ enable_cache();
+
+ /* Enable Variable MTRRs */
+ msr.hi = 0x00000000;
+ msr.lo = 0x00000800;
+ wrmsr(MTRRdefType_MSR, msr);
+}
+
+static void bootblock_cpu_init(void)
+{
+ enable_rom_caching();
+ intel_update_microcode(microcode_updates);
+}
diff --git a/src/cpu/intel/model_206ax/cache_as_ram.inc b/src/cpu/intel/model_206ax/cache_as_ram.inc
new file mode 100644
index 0000000..c4d3701
--- /dev/null
+++ b/src/cpu/intel/model_206ax/cache_as_ram.inc
@@ -0,0 +1,348 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2000,2007 Ronald G. Minnich <rminnich at gmail.com>
+ * Copyright (C) 2007-2008 coresystems GmbH
+ *
+ * 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 <cpu/x86/stack.h>
+#include <cpu/x86/mtrr.h>
+#include <cpu/x86/post_code.h>
+#include <cbmem.h>
+
+#define CACHE_AS_RAM_SIZE CONFIG_DCACHE_RAM_SIZE
+#define CACHE_AS_RAM_BASE CONFIG_DCACHE_RAM_BASE
+
+/* Cache 4GB - MRC_SIZE_KB for MRC */
+#define CACHE_MRC_BYTES ((CONFIG_CACHE_MRC_SIZE_KB << 10) - 1)
+#define CACHE_MRC_BASE (0xFFFFFFFF - CACHE_MRC_BYTES)
+#define CACHE_MRC_MASK (~CACHE_MRC_BYTES)
+
+#define CPU_MAXPHYSADDR 36
+#define CPU_PHYSMASK_HI (1 << (CPU_MAXPHYSADDR - 32) - 1)
+
+#define NoEvictMod_MSR 0x2e0
+
+ /* Save the BIST result. */
+ movl %eax, %ebp
+
+cache_as_ram:
+ post_code(0x20)
+
+ /* Send INIT IPI to all excluding ourself. */
+ movl $0x000C4500, %eax
+ movl $0xFEE00300, %esi
+ movl %eax, (%esi)
+
+ /* All CPUs need to be in Wait for SIPI state */
+wait_for_sipi:
+ movl (%esi), %eax
+ bt $12, %eax
+ jc wait_for_sipi
+
+ post_code(0x21)
+ /* Zero out all fixed range and variable range MTRRs. */
+ movl $mtrr_table, %esi
+ movl $((mtrr_table_end - mtrr_table) / 2), %edi
+ xorl %eax, %eax
+ xorl %edx, %edx
+clear_mtrrs:
+ movw (%esi), %bx
+ movzx %bx, %ecx
+ wrmsr
+ add $2, %esi
+ dec %edi
+ jnz clear_mtrrs
+
+ post_code(0x22)
+ /* Configure the default memory type to uncacheable. */
+ movl $MTRRdefType_MSR, %ecx
+ rdmsr
+ andl $(~0x00000cff), %eax
+ wrmsr
+
+ post_code(0x23)
+ /* Set Cache-as-RAM base address. */
+ movl $(MTRRphysBase_MSR(0)), %ecx
+ movl $(CACHE_AS_RAM_BASE | MTRR_TYPE_WRBACK), %eax
+ xorl %edx, %edx
+ wrmsr
+
+ post_code(0x24)
+ /* Set Cache-as-RAM mask. */
+ movl $(MTRRphysMask_MSR(0)), %ecx
+ movl $(~(CACHE_AS_RAM_SIZE - 1) | MTRRphysMaskValid), %eax
+ movl $CPU_PHYSMASK_HI, %edx
+ wrmsr
+
+ post_code(0x25)
+
+ /* Enable MTRR. */
+ movl $MTRRdefType_MSR, %ecx
+ rdmsr
+ orl $MTRRdefTypeEn, %eax
+ wrmsr
+
+ /* Enable cache (CR0.CD = 0, CR0.NW = 0). */
+ movl %cr0, %eax
+ andl $(~((1 << 30) | (1 << 29))), %eax
+ invd
+ movl %eax, %cr0
+
+ /* enable the 'no eviction' mode */
+ movl $NoEvictMod_MSR, %ecx
+ rdmsr
+ orl $1, %eax
+ andl $~2, %eax
+ wrmsr
+
+ /* Clear the cache memory region. This will also fill up the cache */
+ movl $CACHE_AS_RAM_BASE, %esi
+ movl %esi, %edi
+ movl $(CACHE_AS_RAM_SIZE / 4), %ecx
+ // movl $0x23322332, %eax
+ xorl %eax, %eax
+ rep stosl
+
+ /* enable the 'no eviction run' state */
+ movl $NoEvictMod_MSR, %ecx
+ rdmsr
+ orl $3, %eax
+ wrmsr
+
+ post_code(0x26)
+ /* Enable Cache-as-RAM mode by disabling cache. */
+ movl %cr0, %eax
+ orl $(1 << 30), %eax
+ movl %eax, %cr0
+
+ /* Enable cache for our code in Flash because we do XIP here */
+ movl $MTRRphysBase_MSR(1), %ecx
+ xorl %edx, %edx
+ /*
+ * IMPORTANT: The following calculation _must_ be done at runtime. See
+ * http://www.coreboot.org/pipermail/coreboot/2010-October/060855.html
+ */
+ movl $copy_and_run, %eax
+ andl $(~(CONFIG_XIP_ROM_SIZE - 1)), %eax
+ orl $MTRR_TYPE_WRPROT, %eax
+ wrmsr
+
+ movl $MTRRphysMask_MSR(1), %ecx
+ movl $CPU_PHYSMASK_HI, %edx
+ movl $(~(CONFIG_XIP_ROM_SIZE - 1) | MTRRphysMaskValid), %eax
+ wrmsr
+
+ post_code(0x27)
+#if CONFIG_CACHE_MRC_BIN
+ /* Enable caching for ram init code to run faster */
+ movl $MTRRphysBase_MSR(2), %ecx
+ movl $(CACHE_MRC_BASE | MTRR_TYPE_WRPROT), %eax
+ xorl %edx, %edx
+ wrmsr
+ movl $MTRRphysMask_MSR(2), %ecx
+ movl $(CACHE_MRC_MASK | MTRRphysMaskValid), %eax
+ movl $CPU_PHYSMASK_HI, %edx
+ wrmsr
+#endif
+
+ post_code(0x28)
+ /* Enable cache. */
+ movl %cr0, %eax
+ andl $(~((1 << 30) | (1 << 29))), %eax
+ movl %eax, %cr0
+
+ /* Set up the stack pointer below MRC variable space. */
+ movl $(CACHE_AS_RAM_SIZE + CACHE_AS_RAM_BASE - \
+ CONFIG_DCACHE_RAM_MRC_VAR_SIZE - 4), %eax
+ movl %eax, %esp
+
+ /* Restore the BIST result. */
+ movl %ebp, %eax
+ movl %esp, %ebp
+ pushl %eax
+
+before_romstage:
+ post_code(0x29)
+ /* Call romstage.c main function. */
+ call main
+
+ post_code(0x2f)
+
+ /* Copy global variable space (for USBDEBUG) to memory */
+#if CONFIG_USBDEBUG
+ cld
+ movl $(CONFIG_DCACHE_RAM_BASE + CONFIG_DCACHE_RAM_SIZE - 24), %esi
+ movl $(CONFIG_RAMTOP - 24), %edi
+ movl $24, %ecx
+ rep movsb
+#endif
+
+ post_code(0x30)
+
+ /* Disable cache. */
+ movl %cr0, %eax
+ orl $(1 << 30), %eax
+ movl %eax, %cr0
+
+ post_code(0x31)
+
+ /* Disable MTRR. */
+ movl $MTRRdefType_MSR, %ecx
+ rdmsr
+ andl $(~MTRRdefTypeEn), %eax
+ wrmsr
+
+ post_code(0x31)
+
+ /* Disable the no eviction run state */
+ movl $NoEvictMod_MSR, %ecx
+ rdmsr
+ andl $~2, %eax
+ wrmsr
+
+ invd
+
+ /* Disable the no eviction mode */
+ rdmsr
+ andl $~1, %eax
+ wrmsr
+
+#if CONFIG_CACHE_MRC_BIN
+ /* Clear MTRR that was used to cache MRC */
+ xorl %eax, %eax
+ xorl %edx, %edx
+ movl $MTRRphysBase_MSR(2), %ecx
+ wrmsr
+ movl $MTRRphysMask_MSR(2), %ecx
+ wrmsr
+#endif
+
+ post_code(0x33)
+
+ /* Enable cache. */
+ movl %cr0, %eax
+ andl $~((1 << 30) | (1 << 29)), %eax
+ movl %eax, %cr0
+
+ post_code(0x36)
+
+ /* Disable cache. */
+ movl %cr0, %eax
+ orl $(1 << 30), %eax
+ movl %eax, %cr0
+
+ post_code(0x38)
+
+ /* Enable Write Back and Speculative Reads for the first MB
+ * and coreboot_ram.
+ */
+ movl $MTRRphysBase_MSR(0), %ecx
+ movl $(0x00000000 | MTRR_TYPE_WRBACK), %eax
+ xorl %edx, %edx
+ wrmsr
+ movl $MTRRphysMask_MSR(0), %ecx
+ movl $(~(CONFIG_RAMTOP - 1) | MTRRphysMaskValid), %eax
+ movl $CPU_PHYSMASK_HI, %edx // 36bit address space
+ wrmsr
+
+ /* Enable Caching and speculative Reads for the
+ * complete ROM now that we actually have RAM.
+ */
+ movl $MTRRphysBase_MSR(1), %ecx
+ movl $(0xffc00000 | MTRR_TYPE_WRPROT), %eax
+ xorl %edx, %edx
+ wrmsr
+ movl $MTRRphysMask_MSR(1), %ecx
+ movl $(~(4*1024*1024 - 1) | MTRRphysMaskValid), %eax
+ movl $CPU_PHYSMASK_HI, %edx
+ wrmsr
+
+ post_code(0x39)
+
+ /* And enable cache again after setting MTRRs. */
+ movl %cr0, %eax
+ andl $~((1 << 30) | (1 << 29)), %eax
+ movl %eax, %cr0
+
+ post_code(0x3a)
+
+ /* Enable MTRR. */
+ movl $MTRRdefType_MSR, %ecx
+ rdmsr
+ orl $MTRRdefTypeEn, %eax
+ wrmsr
+
+ post_code(0x3b)
+
+ /* Invalidate the cache again. */
+ invd
+
+ post_code(0x3c)
+
+#if CONFIG_HAVE_ACPI_RESUME
+ movl CBMEM_BOOT_MODE, %eax
+ cmpl $0x2, %eax // Resume?
+ jne __acpi_resume_backup_done
+
+ /* copy 1MB - 64K to high tables ram_base to prevent memory corruption
+ * through stage 2. We could keep stuff like stack and heap in high
+ * tables memory completely, but that's a wonderful clean up task for
+ * another day.
+ */
+ cld
+ movl $CONFIG_RAMBASE, %esi
+ movl CBMEM_RESUME_BACKUP, %edi
+ movl $HIGH_MEMORY_SAVE / 4, %ecx
+ rep movsl
+
+__acpi_resume_backup_done:
+#endif
+
+ post_code(0x3d)
+
+ /* Clear boot_complete flag. */
+ xorl %ebp, %ebp
+__main:
+ post_code(POST_PREPARE_RAMSTAGE)
+ cld /* Clear direction flag. */
+
+ movl %ebp, %esi
+
+ movl $ROMSTAGE_STACK, %esp
+ movl %esp, %ebp
+ pushl %esi
+ call copy_and_run
+
+.Lhlt:
+ post_code(POST_DEAD_CODE)
+ hlt
+ jmp .Lhlt
+
+mtrr_table:
+ /* Fixed MTRRs */
+ .word 0x250, 0x258, 0x259
+ .word 0x268, 0x269, 0x26A
+ .word 0x26B, 0x26C, 0x26D
+ .word 0x26E, 0x26F
+ /* Variable MTRRs */
+ .word 0x200, 0x201, 0x202, 0x203
+ .word 0x204, 0x205, 0x206, 0x207
+ .word 0x208, 0x209, 0x20A, 0x20B
+ .word 0x20C, 0x20D, 0x20E, 0x20F
+ .word 0x210, 0x211, 0x212, 0x213
+mtrr_table_end:
+
diff --git a/src/cpu/intel/model_206ax/chip.h b/src/cpu/intel/model_206ax/chip.h
new file mode 100644
index 0000000..48e0c89
--- /dev/null
+++ b/src/cpu/intel/model_206ax/chip.h
@@ -0,0 +1,37 @@
+/*
+ * 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.
+ *
+ * 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
+ */
+
+extern struct chip_operations cpu_intel_model_206ax_ops;
+
+/* Magic value used to locate this chip in the device tree */
+#define SPEEDSTEP_APIC_MAGIC 0xACAC
+
+struct cpu_intel_model_206ax_config {
+ u8 disable_acpi; /* Do not generate CPU ACPI tables */
+
+ u8 pstate_coord_type; /* Processor Coordination Type */
+
+ 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 */
+};
diff --git a/src/cpu/intel/model_206ax/finalize.c b/src/cpu/intel/model_206ax/finalize.c
new file mode 100644
index 0000000..9de94c4
--- /dev/null
+++ b/src/cpu/intel/model_206ax/finalize.c
@@ -0,0 +1,60 @@
+/*
+ * 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.
+ *
+ * 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 <stdint.h>
+#include <stdlib.h>
+#include <cpu/cpu.h>
+#include <cpu/x86/msr.h>
+#include "model_206ax.h"
+
+static void msr_set_bit(unsigned reg, unsigned 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)
+{
+ msr_set_bit(IA32_FEATURE_CONTROL, 0);
+ msr_set_bit(MSR_PMG_CST_CONFIG_CONTROL, 15);
+
+ /* Lock AES-NI only if supported */
+ if (cpuid_ecx(1) & (1 << 25))
+ msr_set_bit(MSR_FEATURE_CONFIG, 0);
+
+ 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);
+ msr_set_bit(MSR_MISC_PWR_MGMT, 22);
+ msr_set_bit(MSR_LT_LOCK_MEMORY, 0);
+}
diff --git a/src/cpu/intel/model_206ax/microcode-m12206a7_00000025.h b/src/cpu/intel/model_206ax/microcode-m12206a7_00000025.h
new file mode 100644
index 0000000..229fba2
--- /dev/null
+++ b/src/cpu/intel/model_206ax/microcode-m12206a7_00000025.h
@@ -0,0 +1,611 @@
+//+++
+// Copyright (c) <1995-2011>, Intel Corporation.
+// All rights reserved.
+//
+// Redistribution. Redistribution and use in binary form, without modification, are
+// permitted provided that the following conditions are met:
+// .Redistributions must reproduce the above copyright notice and the following
+// disclaimer in the documentation and/or other materials provided with the
+// distribution.
+// .Neither the name of Intel Corporation nor the names of its suppliers may be used
+// to endorse or promote products derived from this software without specific prior
+// written permission.
+// .No reverse engineering, decompilation, or disassembly of this software is
+// permitted.
+// ."Binary form" includes any format commonly used for electronic conveyance
+// which is a reversible, bit-exact translation of binary representation to ASCII or
+// ISO text, for example, "uuencode."
+//
+// DISCLAIMER. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT
+// HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
+// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
+// OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+// NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+//---
+/* Thu Nov 10 10:30:59 CST 2011 */
+/* m12206a7_00000025.inc */
+0x00000001, 0x00000025, 0x10112011, 0x000206a7,
+0x6aa14554, 0x00000001, 0x00000012, 0x000023d0,
+0x00002400, 0x00000000, 0x00000000, 0x00000000,
+0x00000000, 0x000000a1, 0x00020001, 0x00000025,
+0x00000000, 0x00000000, 0x20111011, 0x000008d1,
+0x00000001, 0x000206a7, 0x00000000, 0x00000000,
+0x00000000, 0x00000000, 0x00000000, 0x00000000,
+0x00000000, 0x000008d1, 0x00000000, 0x00000000,
+0x00000000, 0x00000000, 0x00000000, 0x00000000,
+0x9d225b45, 0x6ab4c3b0, 0xebba1c32, 0x469a230a,
+0x8a7d6315, 0x2fc24d3e, 0x82506f79, 0x18dbb9d6,
+0x1a7bbeb1, 0x355a1d62, 0x2e7eb594, 0x09f8dea9,
+0x432a49e4, 0xbf520253, 0xdafa4010, 0x893a858a,
+0x766e0efb, 0xd91e196d, 0x838bd2ef, 0xe5146494,
+0xd515f413, 0x29704828, 0xe85598b6, 0xdcbe6c51,
+0x88eabbfa, 0xa1e8909f, 0xd8931721, 0x35386554,
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+0x0ee62d27, 0x5d93a3f4, 0x7f13dc77, 0xd4ec7c79,
+0xd72a35c8, 0xb84ba058, 0x21e1d1ad, 0xbcf9c0fe,
+0x106fb166, 0x84ff4a86, 0x3b2d960f, 0x4cf3ab0e,
+0x65d25f76, 0xdcda7e29, 0xc444ddc8, 0xe97096dc,
+0xbfe1815c, 0x25b9dec5, 0x7aed80de, 0x6cbb6f7a,
+0x2daf76b7, 0x249ee47f, 0xdc6e770d, 0xa5a02e7d,
+0xd019d0d7, 0x17feead1, 0xbf80c1f6, 0x83644ac0,
+0x412f1ce4, 0x59c1de41, 0x1a47db26, 0x8848ab89,
+0xc2c17745, 0x31183c80, 0x9bb13cc3, 0x6da9c349,
+0x414b378d, 0xd58df4ba, 0x41f5ca37, 0x02a5162f,
+0x2843bb24, 0xbd2bb85a, 0x0b2c6e81, 0x2d50fe1d,
+0xc67b2c07, 0x630ce2b3, 0x73274d84, 0x3b4ba900,
+0x5e672d3c, 0x7ef23846, 0x81036625, 0x380b3d3b,
+0x391470b1, 0x5b3dcbed, 0x63038751, 0xa0c7aed8,
+0xc185b677, 0x516b8170, 0xbf79f025, 0x2b4c9edb,
+0x29354139, 0x9deabe33, 0x2838f581, 0x0574281f,
+0xc1267da2, 0x0c070755, 0x6832a8b9, 0x57436eed,
+0xe604c645, 0x4f13172a, 0x3227ac12, 0xf6b78267,
+0xbbd5d003, 0x5f8ae7ed, 0x74b6682c, 0x356b9e81,
+0x82703c20, 0x8ccf1f78, 0xa6b79197, 0x434d5316,
+0x1ba0853a, 0xe6ae4829, 0x1193ed0a, 0xa2d171f0,
+0x4f565a15, 0xf78ea4af, 0xa9a27e39, 0x30a45316,
+0xc005a8f6, 0x79a23d86, 0x07edcbe3, 0x3b76806b,
+0x3df6268a, 0xb0f33186, 0x2fd51855, 0xb34efefe,
+0xa24ce423, 0x6c62d711, 0x335c7252, 0x0d2ddcff,
+0x64485539, 0x00c8a89e, 0x4827ad2d, 0x01de50f4,
+0x593a9a38, 0xee90b919, 0xf523cd40, 0x97ed7009,
+0x1038e6b0, 0x95931966, 0xaaac22b9, 0xef1b9915,
+0x23f6d33c, 0xe417a460, 0x4e9b59c2, 0x3fd38b75,
+0x7ceabd08, 0x8279d672, 0xf24936e8, 0x668630f8,
+0x3cb0ddc0, 0x56c56418, 0x91221ef8, 0xc8926c65,
+0x4d7436b6, 0xc06b5b1e, 0xdea496b1, 0x4fa4c971,
+0xeea15028, 0x7aead456, 0x1329b826, 0xcf9a4d4f,
+0xabd69aba, 0x9dd78c2e, 0x5e9782ff, 0x563f3cb0,
+0xfc2db55c, 0xb2d5f64b, 0x9478caeb, 0x7409ae76,
+0xc4690516, 0xb12bb352, 0xad5283c7, 0x608e7a23,
+0xc8b4b59a, 0x0da06391, 0x9a6ccd78, 0xe4af91ad,
+0xb156f74a, 0x790b21dd, 0x6ce9970b, 0x46e89ac1,
+0x07815d28, 0x1f2fc3ac, 0x690cd168, 0x6ae48bb4,
+0x1ed48c84, 0xe5f121a3, 0x49a762cf, 0xc5e8fd6a,
+0x75d45162, 0xf49c2c5e, 0xd161eb4a, 0xb6351b73,
+0xc2605562, 0xb097aa9d, 0x114421ee, 0xf93baf78,
+0x82b9b2ab, 0x0374be4d, 0xd715656b, 0x3524549f,
+0xb37dc283, 0xfa8308d0, 0x3f69f2be, 0x238bc31e,
+0x839f3f68, 0x0639b8d7, 0xa8cdbe8e, 0xd15c7cb3,
+0x0a31ec87, 0x39a57286, 0x7c3ffef5, 0x461d70b2,
+0x7d1e8a90, 0x629b803f, 0x351b6cb8, 0x255391c2,
+0x07215420, 0x5e1aef8c, 0xa3b48e74, 0x8fa78c73,
+0xb6fab65c, 0xb13cb77f, 0x5bd44236, 0x31cbeab2,
+0x9f68d29a, 0x207a2b05, 0x668ac8a7, 0xb6de6033,
+0x3d2a4173, 0x04a2543a, 0x559b1b7c, 0x5e9116d4,
+0x5cb3ee57, 0x4a47f644, 0x90be9381, 0xbccc9cd2,
+0x3160e0d5, 0xed791f87, 0xdd9da7a8, 0x3e6d398b,
+0x6a68ad78, 0x418974ef, 0xfd010940, 0x8bed7055,
+0xf21e4d13, 0xac8160b9, 0x85f10ecb, 0xd637b0e2,
+0x987dd54e, 0x9835f225, 0xdbee940c, 0x9a34e16d,
+0x15fcfb54, 0x6720e48c, 0x9a42e266, 0x31eb0270,
+0x714dee04, 0xbcd417d8, 0xedf7757e, 0x099c4e89,
+0xee3e6c2e, 0x6246d530, 0xfbdad1d6, 0xbbe301a3,
+0xe08f829c, 0xa3c7d9c4, 0xe753a1dd, 0xf1466da1,
+0xa1e353a7, 0x33828150, 0x267d4059, 0x458bd806,
+0xac0ed307, 0x2079bf7c, 0xb25200db, 0x9dfd338c,
+0x0b94573e, 0x8188fa16, 0x9e641b63, 0xafa2a60c,
+0x61e5f820, 0x63a38983, 0x172d3a6f, 0xc98a34b2,
+0x532b56f5, 0x1883cb1a, 0x93ba9692, 0x7d85d109,
+0xd20ffd1a, 0xcc6e9937, 0xb3813eb1, 0xea7e1b45,
+0xf1e09c71, 0x35aa1ab9, 0xbd2d43d7, 0xc53a07ef,
+0xf3fa3fd6, 0xf3cd1e20, 0x5e620481, 0xd7bec1b0,
+0xc7d3caf6, 0xe9eae29f, 0x19c5b2c1, 0x940e3186,
+0x200f0a30, 0xbaf511b1, 0x103cb39c, 0x3f46b067,
+0xba6c5e9a, 0xc32b5592, 0x393e8503, 0x7ea29847,
+0x04d4a493, 0x18fc67d5, 0xea4ff94e, 0xc0281d5e,
+0xaeeaae85, 0x13be6b70, 0xa1bc8be4, 0xa1edbe06,
+0x572b8b35, 0x3baca7c5, 0x06ac9591, 0x8309b11d,
+0x7f381b05, 0xb16dd9b2, 0xf9b5d898, 0xb2e04c3a,
+0xed89b7dd, 0xd30e7e33, 0x4ac6cb61, 0xd2c50800,
+0x6554ae61, 0xa263efe2, 0x666244c3, 0xb6aaa480,
+0xcb4344ee, 0x31cf3efa, 0x14a4a476, 0xf6804765,
+0xaca47c23, 0x7e15ae69, 0xaffade7d, 0x693a6ff9,
+0x3f0f22c0, 0xe6135bcb, 0xf0632009, 0x06fa2abb,
+0xad0c1085, 0x3ce130b3, 0x70001594, 0xd80c452b,
+0x486c9d1f, 0x93b94966, 0x81612f95, 0x7573faea,
+0x1568ddb9, 0x3c1d26e5, 0x0a5d7b45, 0x5ea78077,
+0x1c5491f9, 0x24363c4b, 0x54b8e62a, 0xb86697e6,
+0x18750c76, 0xa355cee8, 0x9c09de46, 0xb022ec2b,
+0xfa142272, 0xd1e1dcce, 0xc7c2f6c9, 0xd8e72fc1,
diff --git a/src/cpu/intel/model_206ax/model_206ax.h b/src/cpu/intel/model_206ax/model_206ax.h
new file mode 100644
index 0000000..3343d11
--- /dev/null
+++ b/src/cpu/intel/model_206ax/model_206ax.h
@@ -0,0 +1,98 @@
+/*
+ * 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.
+ *
+ * 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
+ */
+
+#ifndef _CPU_INTEL_MODEL_206AX_H
+#define _CPU_INTEL_MODEL_206AX_H
+
+/* SandyBridge bus clock is fixed at 100MHz */
+#define SANDYBRIDGE_BCLK 100
+
+#define IA32_FEATURE_CONTROL 0x3a
+#define CPUID_VMX (1 << 5)
+#define CPUID_SMX (1 << 6)
+#define MSR_FEATURE_CONFIG 0x13c
+#define IA32_PLATFORM_DCA_CAP 0x1f8
+#define IA32_MISC_ENABLE 0x1a0
+#define IA32_PERF_CTL 0x199
+#define IA32_THERM_INTERRUPT 0x19b
+#define IA32_ENERGY_PERFORMANCE_BIAS 0x1b0
+#define ENERGY_POLICY_PERFORMANCE 0
+#define ENERGY_POLICY_NORMAL 6
+#define ENERGY_POLICY_POWERSAVE 15
+#define IA32_PACKAGE_THERM_INTERRUPT 0x1b2
+#define MSR_LT_LOCK_MEMORY 0x2e7
+#define IA32_MC0_STATUS 0x401
+
+#define MSR_PIC_MSG_CONTROL 0x2e
+#define MSR_PLATFORM_INFO 0xce
+#define PLATFORM_INFO_SET_TDP (1 << 29)
+#define MSR_PMG_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 (35 << 3) /* 35 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
+
+/* P-state configuration */
+#define PSS_MAX_ENTRIES 8
+#define PSS_RATIO_STEP 2
+#define PSS_LATENCY_TRANSITION 10
+#define PSS_LATENCY_BUSMASTER 10
+
+#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);
+#endif
+
+#endif
diff --git a/src/cpu/intel/model_206ax/model_206ax_init.c b/src/cpu/intel/model_206ax/model_206ax_init.c
new file mode 100644
index 0000000..874ce4d
--- /dev/null
+++ b/src/cpu/intel/model_206ax/model_206ax_init.c
@@ -0,0 +1,558 @@
+/*
+ * 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.
+ *
+ * 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 <console/console.h>
+#include <device/device.h>
+#include <device/pci.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 <usbdebug.h>
+#include "model_206ax.h"
+
+/*
+ * List of suported C-states in this processor
+ *
+ * Latencies are typical worst-case package exit time in uS
+ * taken from the SandyBridge BIOS specification.
+ */
+static acpi_cstate_t cstate_map[] = {
+ { /* 0: C0 */
+ },{ /* 1: C1 */
+ .latency = 1,
+ .power = 1000,
+ .resource = {
+ .addrl = 0x00, /* MWAIT State 0 */
+ .space_id = ACPI_ADDRESS_SPACE_FIXED,
+ .bit_width = ACPI_FFIXEDHW_VENDOR_INTEL,
+ .bit_offset = ACPI_FFIXEDHW_CLASS_MWAIT,
+ .resv = ACPI_FFIXEDHW_FLAG_HW_COORD,
+ }
+ },
+ { /* 2: C1E */
+ .latency = 1,
+ .power = 1000,
+ .resource = {
+ .addrl = 0x01, /* MWAIT State 0 Sub-state 1 */
+ .space_id = ACPI_ADDRESS_SPACE_FIXED,
+ .bit_width = ACPI_FFIXEDHW_VENDOR_INTEL,
+ .bit_offset = ACPI_FFIXEDHW_CLASS_MWAIT,
+ .resv = ACPI_FFIXEDHW_FLAG_HW_COORD,
+ }
+ },
+ { /* 3: C3 */
+ .latency = 63,
+ .power = 500,
+ .resource = {
+ .addrl = 0x10, /* MWAIT State 1 */
+ .space_id = ACPI_ADDRESS_SPACE_FIXED,
+ .bit_width = ACPI_FFIXEDHW_VENDOR_INTEL,
+ .bit_offset = ACPI_FFIXEDHW_CLASS_MWAIT,
+ .resv = ACPI_FFIXEDHW_FLAG_HW_COORD,
+ }
+ },
+ { /* 4: C6 */
+ .latency = 87,
+ .power = 350,
+ .resource = {
+ .addrl = 0x20, /* MWAIT State 2 */
+ .space_id = ACPI_ADDRESS_SPACE_FIXED,
+ .bit_width = ACPI_FFIXEDHW_VENDOR_INTEL,
+ .bit_offset = ACPI_FFIXEDHW_CLASS_MWAIT,
+ .resv = ACPI_FFIXEDHW_FLAG_HW_COORD,
+ }
+ },
+ { /* 5: C7 */
+ .latency = 90,
+ .power = 200,
+ .resource = {
+ .addrl = 0x30, /* MWAIT State 3 */
+ .space_id = ACPI_ADDRESS_SPACE_FIXED,
+ .bit_width = ACPI_FFIXEDHW_VENDOR_INTEL,
+ .bit_offset = ACPI_FFIXEDHW_CLASS_MWAIT,
+ .resv = ACPI_FFIXEDHW_FLAG_HW_COORD,
+ }
+ },
+ { /* 6: C7S */
+ .latency = 90,
+ .power = 200,
+ .resource = {
+ .addrl = 0x31, /* MWAIT State 3 Sub-state 1 */
+ .space_id = ACPI_ADDRESS_SPACE_FIXED,
+ .bit_width = ACPI_FFIXEDHW_VENDOR_INTEL,
+ .bit_offset = ACPI_FFIXEDHW_CLASS_MWAIT,
+ .resv = ACPI_FFIXEDHW_FLAG_HW_COORD,
+ }
+ },
+ { 0 }
+};
+
+static const uint32_t microcode_updates[] = {
+ #include "x06_microcode.h"
+};
+
+static void enable_vmx(void)
+{
+ struct cpuid_result regs;
+ msr_t msr;
+ int enable = CONFIG_ENABLE_VMX;
+
+ msr = rdmsr(IA32_FEATURE_CONTROL);
+
+ if (msr.lo & (1 << 0)) {
+ printk(BIOS_ERR, "VMX is locked, so enable_vmx will do nothing\n");
+ /* VMX locked. If we set it again we get an illegal
+ * instruction
+ */
+ return;
+ }
+
+ regs = cpuid(1);
+ printk(BIOS_DEBUG, "%s VMX\n", enable ? "Enabling" : "Disabling");
+ if (regs.ecx & CPUID_VMX) {
+ if (enable)
+ msr.lo |= (1 << 2);
+ else
+ msr.lo &= ~(1 << 2);
+
+ if (regs.ecx & CPUID_SMX) {
+ if (enable)
+ msr.lo |= (1 << 1);
+ else
+ msr.lo &= ~(1 << 1);
+ }
+ }
+
+ wrmsr(IA32_FEATURE_CONTROL, msr);
+}
+
+/* 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,
+};
+
+/*
+ * 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 power_unit;
+ unsigned 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);
+}
+
+static void configure_c_states(void)
+{
+ msr_t msr;
+
+ msr = rdmsr(MSR_PMG_CST_CONFIG_CONTROL);
+ msr.lo |= (1 << 28); // C1 Auto Undemotion Enable
+ msr.lo |= (1 << 27); // C3 Auto Undemotion Enable
+ msr.lo |= (1 << 26); // C1 Auto Demotion Enable
+ msr.lo |= (1 << 25); // C3 Auto Demotion Enable
+ msr.lo &= ~(1 << 10); // Disable IO MWAIT redirection
+ msr.lo |= 7; // No package C-state limit
+ wrmsr(MSR_PMG_CST_CONFIG_CONTROL, msr);
+
+ msr = rdmsr(MSR_PMG_IO_CAPTURE_BASE);
+ msr.lo &= ~0x7ffff;
+ msr.lo |= (PMB0_BASE + 4); // LVL_2 base address
+ msr.lo |= (2 << 16); // CST Range: C7 is max C-state
+ wrmsr(MSR_PMG_IO_CAPTURE_BASE, msr);
+
+ msr = rdmsr(MSR_MISC_PWR_MGMT);
+ msr.lo &= ~(1 << 0); // Enable P-state HW_ALL coordination
+ wrmsr(MSR_MISC_PWR_MGMT, msr);
+
+ msr = rdmsr(MSR_POWER_CTL);
+ msr.lo |= (1 << 18); // Enable Energy Perf Bias MSR 0x1b0
+ msr.lo |= (1 << 1); // C1E Enable
+ msr.lo |= (1 << 0); // Bi-directional PROCHOT#
+ wrmsr(MSR_POWER_CTL, msr);
+
+ /* C3 Interrupt Response Time Limit */
+ msr.hi = 0;
+ msr.lo = IRTL_VALID | IRTL_1024_NS | 0x50;
+ wrmsr(MSR_PKGC3_IRTL, msr);
+
+ /* C6 Interrupt Response Time Limit */
+ msr.hi = 0;
+ msr.lo = IRTL_VALID | IRTL_1024_NS | 0x68;
+ wrmsr(MSR_PKGC6_IRTL, msr);
+
+ /* C7 Interrupt Response Time Limit */
+ msr.hi = 0;
+ msr.lo = IRTL_VALID | IRTL_1024_NS | 0x6D;
+ wrmsr(MSR_PKGC7_IRTL, msr);
+
+ /* Primary Plane Current Limit */
+ msr = rdmsr(MSR_PP0_CURRENT_CONFIG);
+ msr.lo &= ~0x1fff;
+ msr.lo |= PP0_CURRENT_LIMIT;
+ wrmsr(MSR_PP0_CURRENT_CONFIG, msr);
+
+ /* Secondary Plane Current Limit */
+ msr = rdmsr(MSR_PP1_CURRENT_CONFIG);
+ msr.lo &= ~0x1fff;
+ msr.lo |= PP1_CURRENT_LIMIT;
+ wrmsr(MSR_PP1_CURRENT_CONFIG, msr);
+}
+
+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;
+
+ /* Platform Info bits 15:8 give max ratio */
+ msr = rdmsr(MSR_PLATFORM_INFO);
+ msr.hi = 0;
+ msr.lo &= 0xff00;
+ wrmsr(IA32_PERF_CTL, msr);
+
+ printk(BIOS_DEBUG, "model_x06ax: frequency set to %d\n",
+ ((msr.lo >> 8) & 0xff) * 100);
+}
+
+static void set_energy_perf_bias(u8 policy)
+{
+ msr_t msr;
+
+ /* Energy Policy is bits 3:0 */
+ msr = rdmsr(IA32_ENERGY_PERFORMANCE_BIAS);
+ msr.lo &= ~0xf;
+ msr.lo |= policy & 0xf;
+ wrmsr(IA32_ENERGY_PERFORMANCE_BIAS, msr);
+
+ printk(BIOS_DEBUG, "model_x06ax: energy policy set to %u\n",
+ policy);
+}
+
+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);
+}
+
+#if CONFIG_USBDEBUG
+static unsigned ehci_debug_addr;
+#endif
+
+/*
+ * Initialize any extra cores/threads in this package.
+ */
+static void intel_cores_init(device_t cpu)
+{
+ struct cpuid_result result;
+ unsigned cores, threads, i;
+
+ result = cpuid_ext(0xb, 0); /* Threads per core */
+ threads = result.ebx & 0xff;
+
+ result = cpuid_ext(0xb, 1); /* Cores per package */
+ cores = result.ebx & 0xff;
+
+ /* Only initialize extra cores from BSP */
+ if (cpu->path.apic.apic_id)
+ return;
+
+ printk(BIOS_DEBUG, "CPU: %u has %u cores %u threads\n",
+ cpu->path.apic.apic_id, cores, threads);
+
+ for (i = 1; i < cores; ++i) {
+ struct device_path cpu_path;
+ device_t 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 == 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 (!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(device_t cpu)
+{
+ char processor_name[49];
+ struct cpuid_result cpuid_regs;
+
+ /* Turn on caching if we haven't already */
+ x86_enable_cache();
+
+ /* Update the microcode */
+ intel_update_microcode(microcode_updates);
+
+ /* Clear out pending MCEs */
+ configure_mca();
+
+ /* Print processor name */
+ fill_processor_name(processor_name);
+ printk(BIOS_INFO, "CPU: %s.\n", processor_name);
+
+#if CONFIG_USBDEBUG
+ // Is this caution really needed?
+ if(!ehci_debug_addr)
+ ehci_debug_addr = get_ehci_debug();
+ set_ehci_debug(0);
+#endif
+
+ /* Setup MTRRs based on physical address size */
+ cpuid_regs = cpuid(0x80000008);
+ x86_setup_fixed_mtrrs();
+ x86_setup_var_mtrrs(cpuid_regs.eax & 0xff, 2);
+ x86_mtrr_check();
+
+ /* Setup Page Attribute Tables (PAT) */
+ // TODO set up PAT
+
+#if CONFIG_USBDEBUG
+ set_ehci_debug(ehci_debug_addr);
+#endif
+
+ /* Enable the local cpu apics */
+ enable_lapic_tpr();
+ setup_lapic();
+
+ /* Enable virtualization if enabled in CMOS */
+ enable_vmx();
+
+ /* Configure C States */
+ configure_c_states();
+
+ /* Configure Enhanced SpeedStep and Thermal Sensors */
+ configure_misc();
+
+ /* Enable Direct Cache Access */
+ configure_dca_cap();
+
+ /* Set energy policy */
+ set_energy_perf_bias(ENERGY_POLICY_NORMAL);
+
+ /* 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 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, 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,
+ .cstates = cstate_map,
+};
+
diff --git a/src/cpu/intel/model_206ax/x06_microcode.h b/src/cpu/intel/model_206ax/x06_microcode.h
new file mode 100644
index 0000000..d055b2e
--- /dev/null
+++ b/src/cpu/intel/model_206ax/x06_microcode.h
@@ -0,0 +1,31 @@
+/*
+ * 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.
+ *
+ * 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
+ */
+
+
+#if CONFIG_NORTHBRIDGE_INTEL_SANDYBRIDGE
+ #include "microcode-m12206a7_00000025.h"
+#elif CONFIG_NORTHBRIDGE_INTEL_IVYBRIDGE
+#else
+#error "Which microcode to use?"
+#endif
+ /* Dummy terminator */
+ 0x0, 0x0, 0x0, 0x0,
+ 0x0, 0x0, 0x0, 0x0,
+ 0x0, 0x0, 0x0, 0x0,
+ 0x0, 0x0, 0x0, 0x0,
diff --git a/src/cpu/intel/socket_rPGA989/Kconfig b/src/cpu/intel/socket_rPGA989/Kconfig
new file mode 100644
index 0000000..11ac25f
--- /dev/null
+++ b/src/cpu/intel/socket_rPGA989/Kconfig
@@ -0,0 +1,16 @@
+config CPU_INTEL_SOCKET_RPGA989
+ bool
+
+if CPU_INTEL_SOCKET_RPGA989
+
+config SOCKET_SPECIFIC_OPTIONS # dummy
+ def_bool y
+ select MMX
+ select SSE
+ select CACHE_AS_RAM
+
+config CACHE_MRC_BIN
+ bool
+ default n
+
+endif
diff --git a/src/cpu/intel/socket_rPGA989/Makefile.inc b/src/cpu/intel/socket_rPGA989/Makefile.inc
new file mode 100644
index 0000000..b5d679a
--- /dev/null
+++ b/src/cpu/intel/socket_rPGA989/Makefile.inc
@@ -0,0 +1,8 @@
+ramstage-y += socket_rPGA989.c
+subdirs-y += ../../x86/tsc
+subdirs-y += ../../x86/mtrr
+subdirs-y += ../../x86/lapic
+subdirs-y += ../../x86/cache
+subdirs-y += ../../x86/smm
+subdirs-y += ../microcode
+subdirs-y += ../turbo
diff --git a/src/cpu/intel/socket_rPGA989/chip.h b/src/cpu/intel/socket_rPGA989/chip.h
new file mode 100644
index 0000000..f843e74
--- /dev/null
+++ b/src/cpu/intel/socket_rPGA989/chip.h
@@ -0,0 +1,4 @@
+extern struct chip_operations cpu_intel_socket_rPGA989_ops;
+
+struct cpu_intel_socket_rPGA989_config {
+};
diff --git a/src/cpu/intel/socket_rPGA989/socket_rPGA989.c b/src/cpu/intel/socket_rPGA989/socket_rPGA989.c
new file mode 100644
index 0000000..2484571
--- /dev/null
+++ b/src/cpu/intel/socket_rPGA989/socket_rPGA989.c
@@ -0,0 +1,6 @@
+#include <device/device.h>
+#include "chip.h"
+
+struct chip_operations cpu_intel_socket_rPGA989_ops = {
+ CHIP_NAME("Socket rPGA989 CPU")
+};
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