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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2011 The ChromiumOS Authors. All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; version 2 of
* the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef _CPU_INTEL_MODEL_206AX_H
#define _CPU_INTEL_MODEL_206AX_H
/* SandyBridge/IvyBridge bus clock is fixed at 100MHz */
#define SANDYBRIDGE_BCLK 100
#define MSR_FEATURE_CONFIG 0x13c
#define MSR_FLEX_RATIO 0x194
#define FLEX_RATIO_LOCK (1 << 20)
#define FLEX_RATIO_EN (1 << 16)
#define MSR_TEMPERATURE_TARGET 0x1a2
#define MSR_LT_LOCK_MEMORY 0x2e7
#define MSR_PIC_MSG_CONTROL 0x2e
#define MSR_PLATFORM_INFO 0xce
#define PLATFORM_INFO_SET_TDP (1 << 29)
#define MSR_MISC_PWR_MGMT 0x1aa
#define MISC_PWR_MGMT_EIST_HW_DIS (1 << 0)
#define MSR_TURBO_RATIO_LIMIT 0x1ad
#define MSR_POWER_CTL 0x1fc
#define MSR_PKGC3_IRTL 0x60a
#define MSR_PKGC6_IRTL 0x60b
#define MSR_PKGC7_IRTL 0x60c
#define IRTL_VALID (1 << 15)
#define IRTL_1_NS (0 << 10)
#define IRTL_32_NS (1 << 10)
#define IRTL_1024_NS (2 << 10)
#define IRTL_32768_NS (3 << 10)
#define IRTL_1048576_NS (4 << 10)
#define IRTL_33554432_NS (5 << 10)
#define IRTL_RESPONSE_MASK (0x3ff)
/* long duration in low dword, short duration in high dword */
#define MSR_PKG_POWER_LIMIT 0x610
#define PKG_POWER_LIMIT_MASK 0x7fff
#define PKG_POWER_LIMIT_EN (1 << 15)
#define PKG_POWER_LIMIT_CLAMP (1 << 16)
#define PKG_POWER_LIMIT_TIME_SHIFT 17
#define PKG_POWER_LIMIT_TIME_MASK 0x7f
#define MSR_PP0_CURRENT_CONFIG 0x601
#define PP0_CURRENT_LIMIT (112 << 3) /* 112 A */
#define MSR_PP1_CURRENT_CONFIG 0x602
#define PP1_CURRENT_LIMIT_SNB (35 << 3) /* 35 A */
#define PP1_CURRENT_LIMIT_IVB (50 << 3) /* 50 A */
#define MSR_PKG_POWER_SKU_UNIT 0x606
#define MSR_PKG_POWER_SKU 0x614
#define MSR_PP0_POWER_LIMIT 0x638
#define MSR_PP1_POWER_LIMIT 0x640
#define IVB_CONFIG_TDP_MIN_CPUID 0x306a2
#define MSR_CONFIG_TDP_NOMINAL 0x648
#define MSR_CONFIG_TDP_LEVEL1 0x649
#define MSR_CONFIG_TDP_LEVEL2 0x64a
#define MSR_CONFIG_TDP_CONTROL 0x64b
#define MSR_TURBO_ACTIVATION_RATIO 0x64c
/* P-state configuration */
#define PSS_MAX_ENTRIES 8
#define PSS_RATIO_STEP 2
#define PSS_LATENCY_TRANSITION 10
#define PSS_LATENCY_BUSMASTER 10
/*
* Region of SMM space is reserved for multipurpose use. It falls below
* the IED region and above the SMM handler.
*/
#define RESERVED_SMM_SIZE CONFIG_SMM_RESERVED_SIZE
#define RESERVED_SMM_OFFSET \
(CONFIG_SMM_TSEG_SIZE - CONFIG_IED_REGION_SIZE - RESERVED_SMM_SIZE)
/* Sanity check config options. */
#if (CONFIG_SMM_TSEG_SIZE <= (CONFIG_IED_REGION_SIZE + RESERVED_SMM_SIZE))
# error "CONFIG_SMM_TSEG_SIZE <= (CONFIG_IED_REGION_SIZE + RESERVED_SMM_SIZE)"
#endif
#if (CONFIG_SMM_TSEG_SIZE < 0x800000)
# error "CONFIG_SMM_TSEG_SIZE must at least be 8MiB"
#endif
#if ((CONFIG_SMM_TSEG_SIZE & (CONFIG_SMM_TSEG_SIZE - 1)) != 0)
# error "CONFIG_SMM_TSEG_SIZE is not a power of 2"
#endif
#if ((CONFIG_IED_REGION_SIZE & (CONFIG_IED_REGION_SIZE - 1)) != 0)
# error "CONFIG_IED_REGION_SIZE is not a power of 2"
#endif
#ifdef __SMM__
/* Lock MSRs */
void intel_model_206ax_finalize_smm(void);
#else
/* Configure power limits for turbo mode */
void set_power_limits(u8 power_limit_1_time);
int cpu_config_tdp_levels(void);
void smm_relocate(void);
#endif
int get_platform_id(void);
#endif
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