/* * 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_HASWELL_H #define _CPU_INTEL_HASWELL_H #include /* Haswell bus clock is fixed at 100MHz */ #define HASWELL_BCLK 100 #define CORE_THREAD_COUNT_MSR 0x35 #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_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 MSR_VR_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 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 #if !defined(__ROMCC__) // FIXME romcc should handle below constructs #if defined(__PRE_RAM__) struct pei_data; struct rcba_config_instruction; struct romstage_params { struct pei_data *pei_data; const void *gpio_map; const struct rcba_config_instruction *rcba_config; unsigned long bist; }; void mainboard_romstage_entry(unsigned long bist); void romstage_common(const struct romstage_params *params); /* romstage_main is called from the cache-as-ram assembly file. The return * value is the stack value to be used for romstage once cache-as-ram is * torn down. The following values are pushed onto the stack to setup the * MTRRs: * +0: Number of MTRRs * +4: MTTR base 0 31:0 * +8: MTTR base 0 63:32 * +12: MTTR mask 0 31:0 * +16: MTTR mask 0 63:32 * +20: MTTR base 1 31:0 * +24: MTTR base 1 63:32 * +28: MTTR mask 1 31:0 * +32: MTTR mask 1 63:32 * ... */ void * asmlinkage romstage_main(unsigned long bist); /* romstage_after_car() is the C function called after cache-as-ram has * been torn down. It is responsible for loading the ramstage. */ void romstage_after_car(void); #endif #ifdef __SMM__ /* Lock MSRs */ void intel_cpu_haswell_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); /* Returns 0 on success, < 0 on failure. */ int smm_initialize(void); void smm_initiate_relocation(void); void smm_initiate_relocation_parallel(void); struct bus; void bsp_init_and_start_aps(struct bus *cpu_bus); /* Returns 0 on succes. < 0 on failure. */ int setup_ap_init(struct bus *cpu_bus, int *max_cpus, const void *microcode_patch); /* Returns 0 on success, < 0 on failure. */ int start_aps(struct bus *cpu_bus, int max_cpus); void release_aps_for_smm_relocation(int do_parallel_relocation); #endif /* This structure is saved along with the relocated ramstage program in SMM * space. It is used to protect the integrity of the ramstage program on S3 * resume by saving a copy of the relocated ramstage in SMM space with the * assumption that the SMM region cannot be altered from the OS. The magic * value just serves as a quick sanity check. */ #define RAMSTAGE_CACHE_MAGIC 0xf3c3a02a struct ramstage_cache { uint32_t magic; uint32_t entry_point; uint32_t load_address; uint32_t size; char program[0]; } __attribute__((packed)); #endif #endif