/* SPDX-License-Identifier: GPL-2.0-only */ #ifndef _CPU_INTEL_HASWELL_H #define _CPU_INTEL_HASWELL_H #include /* CPU types without stepping */ #define HASWELL_FAMILY_TRAD 0x306c0 #define HASWELL_FAMILY_ULT 0x40650 #define CRYSTALWELL_FAMILY 0x306c0 #define BROADWELL_FAMILY_ULT 0x306d0 /* Haswell CPUIDs */ #define CPUID_HASWELL_A0 0x306c1 #define CPUID_HASWELL_B0 0x306c2 #define CPUID_HASWELL_C0 0x306c3 #define CPUID_HASWELL_ULT_B0 0x40650 #define CPUID_HASWELL_ULT_C0 0x40651 /* Crystalwell CPUIDs */ #define CPUID_CRYSTALWELL_B0 0x40660 #define CPUID_CRYSTALWELL_C0 0x40661 /* Broadwell CPUIDs */ #define CPUID_BROADWELL_C0 0x40671 #define CPUID_BROADWELL_ULT_C0 0x306d2 #define CPUID_BROADWELL_ULT_D0 0x306d3 #define CPUID_BROADWELL_ULT_E0 0x306d4 /* Haswell and Broadwell bus clock is fixed at 100MHz */ #define CPU_BCLK 100 #define MSR_CORE_THREAD_COUNT 0x35 #define MSR_PLATFORM_INFO 0xce #define PLATFORM_INFO_SET_TDP (1 << 29) #define TIMED_MWAIT_SUPPORTED (1 << (37 - 32)) #define MSR_PKG_CST_CONFIG_CONTROL 0xe2 #define MSR_PMG_IO_CAPTURE_BASE 0xe4 #define MSR_FEATURE_CONFIG 0x13c #define SMM_MCA_CAP_MSR 0x17d #define SMM_CPU_SVRSTR_BIT 57 #define SMM_CPU_SVRSTR_MASK (1 << (SMM_CPU_SVRSTR_BIT - 32)) #define MSR_FLEX_RATIO 0x194 #define FLEX_RATIO_LOCK (1 << 20) #define FLEX_RATIO_EN (1 << 16) #define MSR_TEMPERATURE_TARGET 0x1a2 #define MSR_MISC_PWR_MGMT 0x1aa #define MISC_PWR_MGMT_EIST_HW_DIS (1 << 0) #define MSR_TURBO_RATIO_LIMIT 0x1ad #define MSR_PRMRR_PHYS_BASE 0x1f4 #define MSR_PRMRR_PHYS_MASK 0x1f5 #define MSR_POWER_CTL 0x1fc #define MSR_LT_LOCK_MEMORY 0x2e7 #define MSR_UNCORE_PRMRR_PHYS_BASE 0x2f4 #define MSR_UNCORE_PRMRR_PHYS_MASK 0x2f5 #define SMM_FEATURE_CONTROL_MSR 0x4e0 #define SMM_CPU_SAVE_EN (1 << 1) #define MSR_C_STATE_LATENCY_CONTROL_0 0x60a #define MSR_C_STATE_LATENCY_CONTROL_1 0x60b #define MSR_C_STATE_LATENCY_CONTROL_2 0x60c #define MSR_C_STATE_LATENCY_CONTROL_3 0x633 #define MSR_C_STATE_LATENCY_CONTROL_4 0x634 #define MSR_C_STATE_LATENCY_CONTROL_5 0x635 #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_VR_CURRENT_CONFIG 0x601 #define MSR_VR_MISC_CONFIG 0x603 #define MSR_PKG_POWER_SKU_UNIT 0x606 #define MSR_PKG_POWER_SKU 0x614 #define MSR_DDR_RAPL_LIMIT 0x618 #define MSR_VR_MISC_CONFIG2 0x636 #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 /* SMM save state MSRs */ #define SMBASE_MSR 0xc20 #define IEDBASE_MSR 0xc22 /* MTRR_CAP_MSR bit definitions */ #define SMRR_SUPPORTED (1 << 11) #define PRMRR_SUPPORTED (1 << 12) /* Intel suggested latency times in units of 1024ns. */ #define C_STATE_LATENCY_CONTROL_0_LIMIT 0x42 #define C_STATE_LATENCY_CONTROL_1_LIMIT 0x73 #define C_STATE_LATENCY_CONTROL_2_LIMIT 0x91 #define C_STATE_LATENCY_CONTROL_3_LIMIT 0xe4 #define C_STATE_LATENCY_CONTROL_4_LIMIT 0x145 #define C_STATE_LATENCY_CONTROL_5_LIMIT 0x1ef #define C_STATE_LATENCY_MICRO_SECONDS(limit, base) \ (((1 << ((base) * 5)) * (limit)) / 1000) #define C_STATE_LATENCY_FROM_LAT_REG(reg) \ C_STATE_LATENCY_MICRO_SECONDS(C_STATE_LATENCY_CONTROL_ ##reg## _LIMIT, \ (IRTL_1024_NS >> 10)) /* P-state configuration */ #define PSS_MAX_ENTRIES 8 #define PSS_RATIO_STEP 2 #define PSS_LATENCY_TRANSITION 10 #define PSS_LATENCY_BUSMASTER 10 /* Sanity check config options. */ #if (CONFIG_SMM_TSEG_SIZE <= (CONFIG_IED_REGION_SIZE + CONFIG_SMM_RESERVED_SIZE)) # error "CONFIG_SMM_TSEG_SIZE <= (CONFIG_IED_REGION_SIZE + CONFIG_SMM_RESERVED_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 /* * List of supported C-states for Haswell and Broadwell. * Only the ULT parts support C8, C9, and C10. */ enum { C_STATE_C0 = 0, C_STATE_C1 = 1, C_STATE_C1E = 2, C_STATE_C3 = 3, C_STATE_C6_SHORT_LAT = 4, C_STATE_C6_LONG_LAT = 5, C_STATE_C7_SHORT_LAT = 6, C_STATE_C7_LONG_LAT = 7, C_STATE_C7S_SHORT_LAT = 8, C_STATE_C7S_LONG_LAT = 9, C_STATE_C8 = 10, C_STATE_C9 = 11, C_STATE_C10 = 12, NUM_C_STATES, }; /* Lock MSRs */ void intel_cpu_haswell_finalize_smm(void); /* Configure power limits for turbo mode */ void set_power_limits(u8 power_limit_1_time); int cpu_config_tdp_levels(void); /* CPU identification */ static inline int haswell_is_ult(void) { return CONFIG(INTEL_LYNXPOINT_LP); } #endif