| /* |
| * 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 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 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 |