Add support for Intel Nehalem CPU

Change-Id: I7ecc394b1e5bc0b8b85a8afac22efc0befe2d36a
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/3395
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

14 files changed, 1768 insertions, 0 deletions

diff --git a/src/cpu/intel/Kconfig b/src/cpu/intel/Kconfig
index 106ce1d0d4..2bafa498c3 100644
--- a/src/cpu/intel/Kconfig
+++ b/src/cpu/intel/Kconfig
@@ -10,6 +10,7 @@ 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_2065x/Kconfig
 source src/cpu/intel/model_f0x/Kconfig
 source src/cpu/intel/model_f1x/Kconfig
 source src/cpu/intel/model_f2x/Kconfig
diff --git a/src/cpu/intel/Makefile.inc b/src/cpu/intel/Makefile.inc
index a1733297c1..54624fb8c7 100644
--- a/src/cpu/intel/Makefile.inc
+++ b/src/cpu/intel/Makefile.inc
@@ -15,6 +15,7 @@ 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-$(CONFIG_NORTHBRIDGE_INTEL_NEHALEM) += model_2065x
 subdirs-$(CONFIG_NORTHBRIDGE_INTEL_SANDYBRIDGE) += model_206ax
 subdirs-$(CONFIG_NORTHBRIDGE_INTEL_IVYBRIDGE) += model_206ax
 subdirs-$(CONFIG_NORTHBRIDGE_INTEL_HASWELL) += haswell
diff --git a/src/cpu/intel/model_2065x/Kconfig b/src/cpu/intel/model_2065x/Kconfig
new file mode 100644
index 0000000000..019309d0e8
--- /dev/null
+++ b/src/cpu/intel/model_2065x/Kconfig
@@ -0,0 +1,42 @@
+config CPU_INTEL_MODEL_2065X
+	bool
+
+if CPU_INTEL_MODEL_2065X
+
+config CPU_SPECIFIC_OPTIONS
+	def_bool y
+	select SMP
+	select SSE
+	select SSE2
+	select UDELAY_LAPIC
+	select SMM_TSEG
+	select HAVE_INIT_TIMER
+	select CPU_MICROCODE_IN_CBFS
+	#select AP_IN_SIPI_WAIT
+	select TSC_SYNC_MFENCE
+
+config BOOTBLOCK_CPU_INIT
+	string
+	default "cpu/intel/model_2065x/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
+
+config MICROCODE_INCLUDE_PATH
+	string
+	default "3rdparty/mainboard/lenovo/x201"
+
+config XIP_ROM_SIZE
+	hex
+	default 0x20000
+
+endif
diff --git a/src/cpu/intel/model_2065x/Makefile.inc b/src/cpu/intel/model_2065x/Makefile.inc
new file mode 100644
index 0000000000..963fb1b3e3
--- /dev/null
+++ b/src/cpu/intel/model_2065x/Makefile.inc
@@ -0,0 +1,16 @@
+ramstage-y += model_2065x_init.c
+subdirs-y += ../../x86/name
+subdirs-y += ../../x86/cache
+subdirs-y += ../../x86/mtrr
+subdirs-y += ../../x86/lapic
+subdirs-y += ../../intel/turbo
+subdirs-y += ../../intel/microcode
+subdirs-y += ../../x86/smm
+
+ramstage-$(CONFIG_GENERATE_ACPI_TABLES) += acpi.c
+
+smm-$(CONFIG_HAVE_SMI_HANDLER) += finalize.c
+
+cpu_microcode-$(CONFIG_CPU_MICROCODE_CBFS_GENERATE)  += microcode_blob.c
+
+cpu_incs += $(src)/cpu/intel/model_2065x/cache_as_ram.inc
diff --git a/src/cpu/intel/model_2065x/acpi.c b/src/cpu/intel/model_2065x/acpi.c
new file mode 100644
index 0000000000..848381297e
--- /dev/null
+++ b/src/cpu/intel/model_2065x/acpi.c
@@ -0,0 +1,361 @@
+/*
+ * 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/speedstep.h>
+#include <cpu/intel/turbo.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include "model_2065x.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 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) {
+		cstates[c1].ctype = 1;
+		length += acpigen_write_CST_package_entry(&cstates[c1]);
+	}
+	if (c2 > 0) {
+		cstates[c2].ctype = 2;
+		length += acpigen_write_CST_package_entry(&cstates[c2]);
+	}
+	if (c3 > 0) {
+		cstates[c3].ctype = 3;
+		length += acpigen_write_CST_package_entry(&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_2065x_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, 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 + ratio_max / 3;
+
+	/* Calculate CPU TDP in mW */
+	power_max = 25000;
+
+	/* Write _PCT indicating use of FFixedHW */
+	len = acpigen_write_empty_PCT();
+
+	/* Write _PPC with no limit on supported P-state */
+	len += acpigen_write_PPC_NVS();
+
+	/* 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,	/*control*/
+			ratio_turbo);	/*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,		/*control*/
+		ratio_max);	/*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 + ratio / 3;
+
+		len_pss += acpigen_write_PSS_package(
+			clock,			/*MHz*/
+			power,			/*mW*/
+			PSS_LATENCY_TRANSITION,	/*lat1*/
+			PSS_LATENCY_BUSMASTER,	/*lat2*/
+			ratio,		/*control*/
+			ratio);		/*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_2065x_ops = {
+	CHIP_NAME("Intel Nehalem CPU")
+};
diff --git a/src/cpu/intel/model_2065x/bootblock.c b/src/cpu/intel/model_2065x/bootblock.c
new file mode 100644
index 0000000000..3bd087141d
--- /dev/null
+++ b/src/cpu/intel/model_2065x/bootblock.c
@@ -0,0 +1,121 @@
+/*
+ * 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>
+#include <arch/io.h>
+
+#include <cpu/intel/microcode/microcode.c>
+
+#if CONFIG_SOUTHBRIDGE_INTEL_IBEXPEAK
+#include <southbridge/intel/ibexpeak/pch.h>
+#include "model_2065x.h"
+#else
+#error "CPU must be paired with Intel BD82X6X or C216 southbridge"
+#endif
+
+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 set_flex_ratio_to_tdp_nominal(void)
+{
+	msr_t flex_ratio, msr;
+	u32 soft_reset;
+	u8 nominal_ratio;
+
+	/* Minimum CPU revision for configurable TDP support */
+	if (cpuid_eax(1) < IVB_CONFIG_TDP_MIN_CPUID)
+		return;
+
+	/* Check for Flex Ratio support */
+	flex_ratio = rdmsr(MSR_FLEX_RATIO);
+	if (!(flex_ratio.lo & FLEX_RATIO_EN))
+		return;
+
+	/* Check for >0 configurable TDPs */
+	msr = rdmsr(MSR_PLATFORM_INFO);
+	if (((msr.hi >> 1) & 3) == 0)
+		return;
+
+	/* Use nominal TDP ratio for flex ratio */
+	msr = rdmsr(MSR_CONFIG_TDP_NOMINAL);
+	nominal_ratio = msr.lo & 0xff;
+
+	/* See if flex ratio is already set to nominal TDP ratio */
+	if (((flex_ratio.lo >> 8) & 0xff) == nominal_ratio)
+		return;
+
+	/* Set flex ratio to nominal TDP ratio */
+	flex_ratio.lo &= ~0xff00;
+	flex_ratio.lo |= nominal_ratio << 8;
+	flex_ratio.lo |= FLEX_RATIO_LOCK;
+	wrmsr(MSR_FLEX_RATIO, flex_ratio);
+
+	/* Set flex ratio in soft reset data register bits 11:6.
+	 * RCBA region is enabled in southbridge bootblock */
+	soft_reset = RCBA32(SOFT_RESET_DATA);
+	soft_reset &= ~(0x3f << 6);
+	soft_reset |= (nominal_ratio & 0x3f) << 6;
+	RCBA32(SOFT_RESET_DATA) = soft_reset;
+
+	/* Set soft reset control to use register value */
+	RCBA32_OR(SOFT_RESET_CTRL, 1);
+
+	/* Issue warm reset, will be "CPU only" due to soft reset data */
+	outb(0x0, 0xcf9);
+	outb(0x6, 0xcf9);
+	asm("hlt");
+}
+
+static void bootblock_cpu_init(void)
+{
+	/* Set flex ratio and reset if needed */
+	set_flex_ratio_to_tdp_nominal();
+	enable_rom_caching();
+	intel_update_microcode_from_cbfs();
+}
diff --git a/src/cpu/intel/model_2065x/cache_as_ram.inc b/src/cpu/intel/model_2065x/cache_as_ram.inc
new file mode 100644
index 0000000000..db0eaaebbe
--- /dev/null
+++ b/src/cpu/intel/model_2065x/cache_as_ram.inc
@@ -0,0 +1,347 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2000,2007 Ronald G. Minnich <rminnich@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/cache.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_PHYSMASK_HI  (1 << (CONFIG_CPU_ADDR_BITS - 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	$(~(CR0_CacheDisable | CR0_NoWriteThrough)), %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	$CR0_CacheDisable, %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	$(~(CR0_CacheDisable | CR0_NoWriteThrough)), %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 - 4096), %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	$CR0_CacheDisable, %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	$~(CR0_CacheDisable | CR0_NoWriteThrough), %eax
+	movl	%eax, %cr0
+
+	post_code(0x36)
+
+	/* Disable cache. */
+	movl	%cr0, %eax
+	orl	$CR0_CacheDisable, %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
+
+#if CONFIG_CACHE_ROM_SIZE
+	/* Enable Caching and speculative Reads for the
+	 * complete ROM now that we actually have RAM.
+	 */
+	movl	$MTRRphysBase_MSR(1), %ecx
+	movl	$(CACHE_ROM_BASE | MTRR_TYPE_WRPROT), %eax
+	xorl	%edx, %edx
+	wrmsr
+	movl	$MTRRphysMask_MSR(1), %ecx
+	movl	$(~(CONFIG_CACHE_ROM_SIZE - 1) | MTRRphysMaskValid), %eax
+	movl	$CPU_PHYSMASK_HI, %edx
+	wrmsr
+#endif
+
+	post_code(0x39)
+
+	/* And enable cache again after setting MTRRs. */
+	movl	%cr0, %eax
+	andl	$~(CR0_CacheDisable | CR0_NoWriteThrough), %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)
+
+__main:
+	post_code(POST_PREPARE_RAMSTAGE)
+	cld			/* Clear direction flag. */
+
+	movl	$ROMSTAGE_STACK, %esp
+	movl	%esp, %ebp
+	call	copy_and_run
+
+.Lhlt:
+	post_code(POST_DEAD_CODE)
+	hlt
+	jmp	.Lhlt
+
+mtrr_table:
+	.word 0x02FF
+
+	/* 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
+mtrr_table_end:
+
diff --git a/src/cpu/intel/model_2065x/chip.h b/src/cpu/intel/model_2065x/chip.h
new file mode 100644
index 0000000000..2c38033785
--- /dev/null
+++ b/src/cpu/intel/model_2065x/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
+ */
+
+/* Magic value used to locate this chip in the device tree */
+#define SPEEDSTEP_APIC_MAGIC 0xACAC
+
+struct cpu_intel_model_2065x_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 */
+
+	int tcc_offset;		/* TCC Activation Offset */
+};
diff --git a/src/cpu/intel/model_2065x/finalize.c b/src/cpu/intel/model_2065x/finalize.c
new file mode 100644
index 0000000000..b37a84cfe7
--- /dev/null
+++ b/src/cpu/intel/model_2065x/finalize.c
@@ -0,0 +1,73 @@
+/*
+ * 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 <cpu/intel/speedstep.h>
+#include "model_2065x.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_2065x_finalize_smm(void)
+{
+	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);
+
+#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
+
+	msr_set_bit(MSR_MISC_PWR_MGMT, 22);
+	msr_set_bit(MSR_LT_LOCK_MEMORY, 0);
+}
diff --git a/src/cpu/intel/model_2065x/microcode-m9220655_00000003.h b/src/cpu/intel/model_2065x/microcode-m9220655_00000003.h
new file mode 100644
index 0000000000..2eb6cca96e
--- /dev/null
+++ b/src/cpu/intel/model_2065x/microcode-m9220655_00000003.h
@@ -0,0 +1,129 @@
+/*  m9220655_00000003.inc  */
+0x00000001,	0x00000003,	0x09012011,	0x00020655,
+0xc50abfd4,	0x00000001,	0x00000092,	0x000007d0,
+0x00000800,	0x00000000,	0x00000000,	0x00000000,
+0x00000000,	0x000000a1,	0x00020001,	0x00000003,
+0x00000000,	0x00000000,	0x20110831,	0x000001a1,
+0x00000001,	0x00020655,	0x00000000,	0x00000000,
+0x00000000,	0x00000000,	0x00000000,	0x00000000,
+0x00000000,	0x00000000,	0x00000000,	0x00000000,
+0x00000000,	0x00000000,	0x00000000,	0x00000000,
+0xc3323f9e,	0xa2912832,	0xa7a30a2e,	0x9e75a181,
+0x840159be,	0xd1c7dbb0,	0x921c5cf7,	0xb323111b,
+0x5d5f57b5,	0x9926d84a,	0xdaaf70e7,	0x91786b18,
+0x82da740d,	0xae90be68,	0x8b6a07cf,	0xc2c37ebc,
+0xde451f9c,	0x7a1444c0,	0xce6700b1,	0x5c29e58a,
+0x12eb603f,	0xaaf6cb53,	0xd807a1c9,	0xf51ed696,
+0x90d9e2c3,	0x641bff09,	0x732ab820,	0xfef7aa2f,
+0x8f518e1d,	0xf0d8c4d9,	0x73aefe19,	0xf6d7ae12,
+0xd50a095b,	0xdf21cbb8,	0x4b81ff9a,	0xe1a6d1f8,
+0xbe78b0de,	0xda86826f,	0xc4f9c057,	0x306f1761,
+0x7aae81f0,	0xdbab0ae2,	0x789ec0ff,	0xbaacd096,
+0x68fa4733,	0x2f3fd406,	0xd287247f,	0x79eefe4c,
+0x6f674a41,	0xd6948ad8,	0x90388682,	0x5a4bf35d,
+0xadab41ff,	0x89e9dc62,	0xb2eccfee,	0xd4d52153,
+0x34301d19,	0x8a2f38a6,	0x35b05e56,	0x482f029a,
+0x296cb5a3,	0xce64f437,	0xae1dfa06,	0xb9f29132,
+0x1960a103,	0x70bb6f46,	0x152a5d83,	0x171a19d9,
+0xac9aa4b7,	0x54b719f7,	0x5b781cb1,	0xaea548bb,
+0x00000011,	0x649668c5,	0xd3d4e73c,	0x0d7eee17,
+0xc8a4d8f1,	0xa531e67c,	0x0d4e93f9,	0x109a2c8e,
+0xb3a120eb,	0x1cb99ad0,	0xdf7fffa7,	0xcd22ae67,
+0xbe6f61df,	0x1fff8bc4,	0x7d413494,	0xbbc77986,
+0x4648fad1,	0x05a0b769,	0x14a2f426,	0x39081a28,
+0x343c7600,	0x3a9d78ed,	0xa8bcbbb1,	0x1128500a,
+0xb1f08088,	0x16f1cc2e,	0x187920e4,	0x7bd8c616,
+0x416a91ac,	0x2d156cd1,	0xd23473e7,	0xf326b7ff,
+0x991a226f,	0xf1a4f527,	0xe758dc3f,	0x20f89a4a,
+0x9f84858c,	0x9c5bde06,	0x839ea7e7,	0x42cfa525,
+0x869950f9,	0x48e6318f,	0x44314d3e,	0xc946335f,
+0x9439e0ba,	0x16bef497,	0x5dfeb355,	0x062e96dc,
+0x0c5b3442,	0x2317678c,	0x0688e8b9,	0x698df73a,
+0xd87f7a27,	0xc63a05b7,	0xb77b7ed1,	0xee993117,
+0xbffab1d3,	0x455c43b5,	0x5363cb6c,	0x9361cabc,
+0xd5bc2e2b,	0xb0079b02,	0x5b371608,	0x8228cc3c,
+0x97c217b0,	0xef92660a,	0x99e15bc3,	0x610d1881,
+0xa84efd04,	0x35f287c9,	0xc02cbf49,	0xdc291d6f,
+0x7d603a19,	0x420b25dc,	0x6d24d532,	0xf8c2d4b6,
+0x67104704,	0x7ae246b3,	0x24f07636,	0xf88808a0,
+0xcdcf7aed,	0xa78611a3,	0x9dafdde7,	0x5def0b11,
+0xb39ca9d7,	0xd0de1c2a,	0xe6e8cc61,	0x9824df50,
+0x501ef8c9,	0x5bb94ee7,	0x9d75a287,	0xc5b37ebc,
+0x8b7175f8,	0xe9bd1024,	0xc4e004c2,	0xb626e586,
+0xf71c129d,	0xe5562dd2,	0xd1d9c514,	0xaa69cd52,
+0x7ec85bfb,	0x1d6d69da,	0xbd735ff0,	0x496b0cc3,
+0xea10aa85,	0xd968b670,	0xe4674e6b,	0xd7725f8c,
+0xc845a270,	0x15d4b857,	0x0a130ca8,	0x707de71f,
+0x0cf7ba9f,	0xb46fbb4d,	0xc9631c72,	0xe0b4abcd,
+0x0b364ef1,	0xa390747a,	0x5945a462,	0xe0756457,
+0x5f79663c,	0x7418e5be,	0xc7ac38f4,	0x24aceecd,
+0xae762e2b,	0x04c63655,	0x2807f3ba,	0x8a9fdee2,
+0x4705e3b9,	0x0be41abf,	0x360a2475,	0x2188e84c,
+0x6724fa71,	0x0d80d39f,	0x06be8e55,	0xd49f817a,
+0x518f531d,	0x02775181,	0xbd1f8af9,	0x70c91b1f,
+0x67d619f2,	0x0e2f44b0,	0xde3a57b2,	0x0b96a208,
+0x86dbafdf,	0xd81a43ca,	0x894241a6,	0x453cd6c0,
+0x801398e5,	0x8dc7e734,	0x64f5f2f0,	0x023fe4ad,
+0x808b3fbe,	0x677dec2d,	0xc75aa416,	0x8d4a51c1,
+0xcb46efb4,	0x26af2486,	0xf28d384f,	0x1f74bbaa,
+0xb35dbfec,	0xa4acc70a,	0xd0c8ff4b,	0xf40e3136,
+0x24f08d6d,	0xf4a5792f,	0x3423ebc0,	0x47f54044,
+0x42939e1e,	0x3768fe97,	0x0890f228,	0xfe48104e,
+0xd095804b,	0xde7a40cb,	0xc8ed5843,	0x04cc48c5,
+0xa68d1936,	0x554d336f,	0x19cc9df7,	0xf2b5b0cc,
+0xf88858c2,	0x6bef0f07,	0xcff53326,	0xfbebbb76,
+0x63afbd06,	0x6d4b7c27,	0xdd5c8b52,	0x792f665e,
+0x44e8bc2d,	0x53522507,	0xf5971875,	0xef44f472,
+0x0ab3bc03,	0x068d792f,	0x86745dc4,	0xc0e63ca0,
+0xfddb054d,	0x46c23e3c,	0xc8184e1a,	0xb7e77cc7,
+0x59e90ac1,	0xd836bf58,	0xb220f287,	0x3c3a2e8f,
+0xa28a7e28,	0x99a249ec,	0xd2a6641c,	0x24adeb4a,
+0x2bbf323a,	0x618dee6e,	0x093e831a,	0x3f4d3194,
+0xa166732a,	0x0a80f2f3,	0x8f2f80de,	0xc4d2b7ea,
+0x17f9e541,	0x1059766d,	0xc2f7e49d,	0x666bb0a3,
+0xfe8eb21f,	0xa68c8c87,	0x30efe1af,	0x15763eab,
+0x1d18c1f0,	0xcf1907ee,	0xd478498e,	0xb8041744,
+0x1bd93f4b,	0x6bca9af1,	0xa54694db,	0xaccd6971,
+0x92af5474,	0x194c5290,	0xc573b14f,	0xe4d74f3c,
+0xaa128d24,	0xe50848a2,	0xa5001983,	0x9fc5c01f,
+0x495687cb,	0x7795998b,	0xcba451a5,	0x67c54058,
+0x3585e4cc,	0x07eaf375,	0xa1bef51d,	0x730960a4,
+0xc217f8f0,	0xe5779a63,	0x237b7f2f,	0x6d868035,
+0x70987ef1,	0x1ab1e989,	0xf1727403,	0x94cd3133,
+0xbe827fc7,	0x19e198d1,	0xf8f8a4dd,	0x0bdfc02e,
+0x788737f9,	0xf554a473,	0x22488c80,	0x4397d132,
+0x5602e73a,	0x4cbdf8b7,	0x14929ba4,	0xc49645d8,
+0x3a724eb1,	0x44134eef,	0x534f26fc,	0x2c9a2bcf,
+0xc329abc2,	0x79a52a91,	0xc4d8ecb2,	0x4f29e89b,
+0x08e3bc45,	0x02c7516b,	0xe4f79884,	0x21dc828a,
+0xb22adc25,	0xad6b4194,	0xc2e88ec8,	0xab76a868,
+0x3049d043,	0x9781e3b5,	0xa56602b8,	0xb844a1cf,
+0xd0c2f155,	0xfff59242,	0x7c0b1be7,	0x20c337ee,
+0x6eeedede,	0x3d544527,	0x4fa08565,	0x78035c9f,
+0x5ab9652f,	0x1679da28,	0x1d59380f,	0xfd693582,
+0x6647c152,	0xa494f5b7,	0x1e5a44e5,	0x49515666,
+0x80ad6e9f,	0x2857b798,	0x21c78a9c,	0xde2536d4,
+0x8cd0c906,	0x0e101e47,	0xb56139d8,	0x5f29407b,
+0xd86efa56,	0x60c1f662,	0x387dbee9,	0xd57f4fae,
+0xe27b9e73,	0x5e4d81b9,	0x2761f882,	0x923b00c9,
+0xf1d1ee2e,	0xbec5a579,	0xa90ebc17,	0x686554a2,
+0xa83f71fd,	0x8eb862bc,	0xdfd0bb6f,	0x1ac1a2bb,
+0x74d53b49,	0xda9430c4,	0x09797597,	0x35d8f250,
+0x8d33fb7b,	0x21ec9ecd,	0x6bd9041c,	0xf858aae6,
+0x3bb472b5,	0xf43a3d7e,	0x8ced914f,	0x5f5d9ce5,
+0xc0e27757,	0x6afee8ff,	0x45bd08fc,	0x74402451,
+0x5d1e3aff,	0xfe1e6e53,	0xcaf73401,	0x035d5585,
+0xb77a8af9,	0xc869836f,	0x72e43074,	0xf784f07b,
+0x17cf17fd,	0x5785c5c9,	0xa761ee5e,	0xaede1773,
+0xc58bab5a,	0x8fb77743,	0xc20c974e,	0x9f72ce11,
+0xdfdf11f8,	0x0153fda9,	0x87d08d4d,	0x8a8d163c,
+0x2f346fc4,	0x4aabbd39,	0x9866fbe8,	0x4fbc185a,
+0xc30ea07b,	0xc6e2c2e2,	0x6d9bcc5b,	0x292524ac,
+0xaad044e9,	0xd6fcd72b,	0x755b2c1b,	0xbc5f83ee,
+0xbb041dfd,	0x87eefef9,	0x68cdbb47,	0xf423fd81,
+0x1c106165,	0x35b223a3,	0x4212e6b7,	0x0868b1b0,
+0x5288c578,	0x108d97ff,	0x1962e7b9,	0x73d366ec,
+0x8c851ca9,	0x1705746d,	0xc1a261ae,	0xd685b108,
+0x42a77adc,	0x2c454ffe,	0x33b19c19,	0xefae69ca,
+0xa6ae093b,	0x6fdfb131,	0xb6fbe5d9,	0xe872ca64,
+0xecd6df71,	0xe133acfc,	0x3d16c48b,	0x240a15a8,
diff --git a/src/cpu/intel/model_2065x/microcode_blob.c b/src/cpu/intel/model_2065x/microcode_blob.c
new file mode 100644
index 0000000000..c2538e8ede
--- /dev/null
+++ b/src/cpu/intel/model_2065x/microcode_blob.c
@@ -0,0 +1,22 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2012 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
+ */
+
+unsigned microcode[] = {
+#include "microcode_blob.h"
+};
diff --git a/src/cpu/intel/model_2065x/microcode_blob.h b/src/cpu/intel/model_2065x/microcode_blob.h
new file mode 100644
index 0000000000..1da40d94bc
--- /dev/null
+++ b/src/cpu/intel/model_2065x/microcode_blob.h
@@ -0,0 +1,26 @@
+/*
+ * 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 "microcode-m9220655_00000003.h"
+
+	/*  Dummy terminator  */
+        0x0, 0x0, 0x0, 0x0,
+        0x0, 0x0, 0x0, 0x0,
+        0x0, 0x0, 0x0, 0x0,
+        0x0, 0x0, 0x0, 0x0,
diff --git a/src/cpu/intel/model_2065x/model_2065x.h b/src/cpu/intel/model_2065x/model_2065x.h
new file mode 100644
index 0000000000..18a45d8b14
--- /dev/null
+++ b/src/cpu/intel/model_2065x/model_2065x.h
@@ -0,0 +1,109 @@
+/*
+ * 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_2065X_H
+#define _CPU_INTEL_MODEL_2065X_H
+
+/* SandyBridge/IvyBridge bus clock is fixed at 100MHz */
+#define SANDYBRIDGE_BCLK		133
+
+#define IA32_FEATURE_CONTROL		0x3a
+#define  CPUID_VMX			(1 << 5)
+#define  CPUID_SMX			(1 << 6)
+#define MSR_FEATURE_CONFIG		0x13c
+#define MSR_FLEX_RATIO			0x194
+#define  FLEX_RATIO_LOCK		(1 << 20)
+#define  FLEX_RATIO_EN			(1 << 16)
+#define IA32_PLATFORM_DCA_CAP		0x1f8
+#define IA32_MISC_ENABLE		0x1a0
+#define MSR_TEMPERATURE_TARGET		0x1a2
+#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_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			16
+#define PSS_RATIO_STEP			1
+#define PSS_LATENCY_TRANSITION		10
+#define PSS_LATENCY_BUSMASTER		10
+
+#ifdef __SMM__
+/* Lock MSRs */
+void intel_model_2065x_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);
+#endif
+
+#endif
diff --git a/src/cpu/intel/model_2065x/model_2065x_init.c b/src/cpu/intel/model_2065x/model_2065x_init.c
new file mode 100644
index 0000000000..bdbddfba34
--- /dev/null
+++ b/src/cpu/intel/model_2065x/model_2065x_init.c
@@ -0,0 +1,483 @@
+/*
+ * 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_2065x.h"
+#include "chip.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 void enable_vmx(void)
+{
+	struct cpuid_result regs;
+	msr_t msr;
+	int enable = CONFIG_ENABLE_VMX;
+
+	regs = cpuid(1);
+	/* Check that the VMX is supported before reading or writing the MSR. */
+	if (!((regs.ecx & CPUID_VMX) || (regs.ecx & CPUID_SMX)))
+		return;
+
+	msr = rdmsr(IA32_FEATURE_CONTROL);
+
+	if (msr.lo & (1 << 0)) {
+		printk(BIOS_ERR, "VMX is locked, so %s will do nothing\n", __func__);
+		/* VMX locked. If we set it again we get an illegal
+		 * instruction
+		 */
+		return;
+	}
+
+	/* The IA32_FEATURE_CONTROL MSR may initialize with random values.
+	 * It must be cleared regardless of VMX config setting.
+	 */
+	msr.hi = msr.lo = 0;
+
+	printk(BIOS_DEBUG, "%s VMX\n", enable ? "Enabling" : "Disabling");
+
+	/* Even though the Intel manual says you must set the lock bit in addition
+	 * to the VMX bit in order for VMX to work, it is incorrect.  Thus we leave
+	 * it unlocked for the OS to manage things itself.  This is good for a few
+	 * reasons:
+	 * - No need to reflash the bios just to toggle the lock bit.
+	 * - The VMX bits really really should match each other across cores, so
+	 *   hard locking it on one while another has the opposite setting can
+	 *   easily lead to crashes as code using VMX migrates between them.
+	 * - Vendors that want to "upsell" from a bios that disables+locks to
+	 *   one that doesn't is sleazy.
+	 * By leaving this to the OS (e.g. Linux), people can do exactly what they
+	 * want on the fly, and do it correctly (e.g. across multiple cores).
+	 */
+	if (enable) {
+		msr.lo |= (1 << 2);
+		if (regs.ecx & CPUID_SMX)
+			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,
+};
+
+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;
+}
+
+
+static void configure_thermal_target(void)
+{
+	struct cpu_intel_model_2065x_config *conf;
+	device_t lapic;
+	msr_t msr;
+
+	/* Find pointer to CPU configuration */
+	lapic = dev_find_lapic(SPEEDSTEP_APIC_MAGIC);
+	if (!lapic || !lapic->chip_info)
+		return;
+	conf = lapic->chip_info;
+
+	/* Set TCC activaiton offset if supported */
+	msr = rdmsr(MSR_PLATFORM_INFO);
+	if ((msr.lo & (1 << 30)) && conf->tcc_offset) {
+		msr = rdmsr(MSR_TEMPERATURE_TARGET);
+		msr.lo &= ~(0xf << 24); /* Bits 27:24 */
+		msr.lo |= (conf->tcc_offset & 0xf) << 24;
+		wrmsr(MSR_TEMPERATURE_TARGET, 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);
+
+#ifdef DISABLED
+	/* Enable package critical interrupt only */
+	msr.lo = 1 << 4;
+	msr.hi = 0;
+	wrmsr(IA32_PACKAGE_THERM_INTERRUPT, msr);
+#endif
+}
+
+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 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 set_energy_perf_bias(u8 policy)
+{
+#ifdef DISABLED
+	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);
+#endif
+}
+
+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 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;
+		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 & 1) + ((i & 2) << 1);
+
+		/* 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);
+
+#if CONFIG_SMP && CONFIG_MAX_CPUS > 1
+		/* 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);
+		}
+#endif
+	}
+}
+
+static void model_2065x_init(device_t cpu)
+{
+	char processor_name[49];
+	struct cpuid_result cpuid_regs;
+
+	/* 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);
+	printk(BIOS_INFO, "CPU:lapic=%ld, boot_cpu=%d\n", lapicid (), boot_cpu ());
+#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 Enhanced SpeedStep and Thermal Sensors */
+	configure_misc();
+
+	/* Thermal throttle activation offset */
+	configure_thermal_target();
+
+	/* 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_2065x_init,
+};
+
+static struct cpu_device_id cpu_table[] = {
+	{ X86_VENDOR_INTEL, 0x20655 }, /* Intel Nehalem */
+	{ 0, 0 },
+};
+
+static const struct cpu_driver driver __cpu_driver = {
+	.ops      = &cpu_dev_ops,
+	.id_table = cpu_table,
+	.cstates  = cstate_map,
+};
+