Add support for Intel Sandybridge CPU

Change-Id: I9f37e291c00c0640c6600d8fdd6dcc13c3e5b8d5
Signed-off-by: Duncan Laurie <dlaurie@google.com>
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/855
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>

1 files changed, 98 insertions, 0 deletions

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 0000000000..3343d1129b
--- /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