diff options
Diffstat (limited to 'src/cpu')
| -rw-r--r-- | src/cpu/intel/Makefile.inc | 2 | ||||
| -rw-r--r-- | src/cpu/intel/fsp_model_206ax/Kconfig | 50 | ||||
| -rw-r--r-- | src/cpu/intel/fsp_model_206ax/Makefile.inc | 12 | ||||
| -rw-r--r-- | src/cpu/intel/fsp_model_206ax/acpi.c | 341 | ||||
| -rw-r--r-- | src/cpu/intel/fsp_model_206ax/acpi/cpu.asl | 97 | ||||
| -rw-r--r-- | src/cpu/intel/fsp_model_206ax/bootblock.c | 21 | ||||
| -rw-r--r-- | src/cpu/intel/fsp_model_206ax/chip.h | 31 | ||||
| -rw-r--r-- | src/cpu/intel/fsp_model_206ax/finalize.c | 77 | ||||
| -rw-r--r-- | src/cpu/intel/fsp_model_206ax/model_206ax.h | 96 | ||||
| -rw-r--r-- | src/cpu/intel/fsp_model_206ax/model_206ax_init.c | 395 |
10 files changed, 0 insertions, 1122 deletions
diff --git a/src/cpu/intel/Makefile.inc b/src/cpu/intel/Makefile.inc index 19e422f7fa..04238ba300 100644 --- a/src/cpu/intel/Makefile.inc +++ b/src/cpu/intel/Makefile.inc @@ -18,8 +18,6 @@ subdirs-$(CONFIG_NORTHBRIDGE_INTEL_NEHALEM) += model_2065x subdirs-$(CONFIG_NORTHBRIDGE_INTEL_SANDYBRIDGE) += model_206ax subdirs-$(CONFIG_NORTHBRIDGE_INTEL_IVYBRIDGE) += model_206ax subdirs-$(CONFIG_NORTHBRIDGE_INTEL_HASWELL) += haswell -subdirs-$(CONFIG_NORTHBRIDGE_INTEL_FSP_SANDYBRIDGE) += fsp_model_206ax -subdirs-$(CONFIG_NORTHBRIDGE_INTEL_FSP_IVYBRIDGE) += fsp_model_206ax subdirs-$(CONFIG_NORTHBRIDGE_INTEL_FSP_RANGELEY) += fsp_model_406dx subdirs-$(CONFIG_CPU_INTEL_SLOT_1) += slot_1 subdirs-$(CONFIG_CPU_INTEL_SOCKET_LGA1155) += socket_LGA1155 diff --git a/src/cpu/intel/fsp_model_206ax/Kconfig b/src/cpu/intel/fsp_model_206ax/Kconfig deleted file mode 100644 index 878244861c..0000000000 --- a/src/cpu/intel/fsp_model_206ax/Kconfig +++ /dev/null @@ -1,50 +0,0 @@ -## -## This file is part of the coreboot project. -## -## Copyright (C) 2013 Sage Electronic Engineering, LLC. -## -## This program is free software; you can redistribute it and/or modify -## it under the terms of the GNU General Public License as published by -## the Free Software Foundation; version 2 of the License. -## -## This program is distributed in the hope that it will be useful, -## but WITHOUT ANY WARRANTY; without even the implied warranty of -## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -## GNU General Public License for more details. -## - - -config CPU_INTEL_FSP_MODEL_206AX - bool - -config CPU_INTEL_FSP_MODEL_306AX - bool - -if CPU_INTEL_FSP_MODEL_206AX || CPU_INTEL_FSP_MODEL_306AX - -config CPU_SPECIFIC_OPTIONS - def_bool y - select PLATFORM_USES_FSP1_0 - select ARCH_BOOTBLOCK_X86_32 - select ARCH_VERSTAGE_X86_32 - select ARCH_ROMSTAGE_X86_32 - select ARCH_RAMSTAGE_X86_32 - select SMP - select SSE2 - select UDELAY_LAPIC - select SMM_TSEG - select SUPPORT_CPU_UCODE_IN_CBFS - select PARALLEL_CPU_INIT - select TSC_SYNC_MFENCE - select LAPIC_MONOTONIC_TIMER - select CPU_INTEL_COMMON - -config BOOTBLOCK_CPU_INIT - string - default "cpu/intel/fsp_model_206ax/bootblock.c" - -config SMM_TSEG_SIZE - hex - default 0x800000 - -endif diff --git a/src/cpu/intel/fsp_model_206ax/Makefile.inc b/src/cpu/intel/fsp_model_206ax/Makefile.inc deleted file mode 100644 index 65498f8652..0000000000 --- a/src/cpu/intel/fsp_model_206ax/Makefile.inc +++ /dev/null @@ -1,12 +0,0 @@ -ramstage-y += model_206ax_init.c -subdirs-y += ../../x86/name -subdirs-y += ../smm/gen1 -subdirs-y += ../common - -ramstage-y += acpi.c - -smm-$(CONFIG_HAVE_SMI_HANDLER) += finalize.c - -CPPFLAGS_romstage += -I$(src)/cpu/intel/fsp_model_206ax -cpu_microcode_bins += 3rdparty/blobs/cpu/intel/model_206ax/microcode.bin -cpu_microcode_bins += 3rdparty/blobs/cpu/intel/model_306ax/microcode.bin diff --git a/src/cpu/intel/fsp_model_206ax/acpi.c b/src/cpu/intel/fsp_model_206ax/acpi.c deleted file mode 100644 index a10c91b3d9..0000000000 --- a/src/cpu/intel/fsp_model_206ax/acpi.c +++ /dev/null @@ -1,341 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2009 coresystems GmbH - * Copyright (C) 2011 The Chromium OS 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. - */ - -#include <types.h> -#include <console/console.h> -#include <arch/acpi.h> -#include <arch/acpigen.h> -#include <arch/cpu.h> -#include <cpu/x86/msr.h> -#include <cpu/intel/speedstep.h> -#include <cpu/intel/turbo.h> -#include <device/device.h> -#include "model_206ax.h" -#include "chip.h" - -static int get_cores_per_package(void) -{ - struct cpuinfo_x86 c; - struct cpuid_result result; - int cores = 1; - - get_fms(&c, cpuid_eax(1)); - if (c.x86 != 6) - return 1; - - result = cpuid_ext(0xb, 1); - cores = result.ebx & 0xff; - - return cores; -} - -static void generate_cstate_entries(acpi_cstate_t *cstates, - int c1, int c2, int c3) -{ - int cstate_count = 0; - - /* Count number of active C-states */ - if (c1 > 0) - ++cstate_count; - if (c2 > 0) - ++cstate_count; - if (c3 > 0) - ++cstate_count; - if (!cstate_count) - return; - - acpigen_write_package(cstate_count + 1); - acpigen_write_byte(cstate_count); - - /* Add an entry if the level is enabled */ - if (c1 > 0) { - cstates[c1].ctype = 1; - acpigen_write_CST_package_entry(&cstates[c1]); - } - if (c2 > 0) { - cstates[c2].ctype = 2; - acpigen_write_CST_package_entry(&cstates[c2]); - } - if (c3 > 0) { - cstates[c3].ctype = 3; - acpigen_write_CST_package_entry(&cstates[c3]); - } - - acpigen_pop_len(); -} - -static void generate_C_state_entries(void) -{ - struct cpu_info *info; - struct cpu_driver *cpu; - struct device *lapic; - struct cpu_intel_fsp_model_206ax_config *conf = NULL; - - /* Find the SpeedStep CPU in the device tree using magic APIC ID */ - lapic = dev_find_lapic(SPEEDSTEP_APIC_MAGIC); - if (!lapic) - return; - conf = lapic->chip_info; - if (!conf) - return; - - /* Find CPU map of supported C-states */ - info = cpu_info(); - if (!info) - return; - cpu = find_cpu_driver(info->cpu); - if (!cpu || !cpu->cstates) - return; - - acpigen_write_method("_CST", 0); - - /* If running on AC power */ - acpigen_emit_byte(0xa0); /* IfOp */ - acpigen_write_len_f(); /* PkgLength */ - acpigen_emit_namestring("PWRS"); - acpigen_emit_byte(0xa4); /* ReturnOp */ - generate_cstate_entries(cpu->cstates, conf->c1_acpower, - conf->c2_acpower, conf->c3_acpower); - acpigen_pop_len(); - - /* Else on battery power */ - acpigen_emit_byte(0xa4); /* ReturnOp */ - generate_cstate_entries(cpu->cstates, conf->c1_battery, - conf->c2_battery, conf->c3_battery); - acpigen_pop_len(); -} - -static acpi_tstate_t tss_table_fine[] = { - { 100, 1000, 0, 0x00, 0 }, - { 94, 940, 0, 0x1f, 0 }, - { 88, 880, 0, 0x1e, 0 }, - { 82, 820, 0, 0x1d, 0 }, - { 75, 760, 0, 0x1c, 0 }, - { 69, 700, 0, 0x1b, 0 }, - { 63, 640, 0, 0x1a, 0 }, - { 57, 580, 0, 0x19, 0 }, - { 50, 520, 0, 0x18, 0 }, - { 44, 460, 0, 0x17, 0 }, - { 38, 400, 0, 0x16, 0 }, - { 32, 340, 0, 0x15, 0 }, - { 25, 280, 0, 0x14, 0 }, - { 19, 220, 0, 0x13, 0 }, - { 13, 160, 0, 0x12, 0 }, -}; - -static acpi_tstate_t tss_table_coarse[] = { - { 100, 1000, 0, 0x00, 0 }, - { 88, 875, 0, 0x1f, 0 }, - { 75, 750, 0, 0x1e, 0 }, - { 63, 625, 0, 0x1d, 0 }, - { 50, 500, 0, 0x1c, 0 }, - { 38, 375, 0, 0x1b, 0 }, - { 25, 250, 0, 0x1a, 0 }, - { 13, 125, 0, 0x19, 0 }, -}; - -static void generate_T_state_entries(int core, int cores_per_package) -{ - /* Indicate SW_ALL coordination for T-states */ - acpigen_write_TSD_package(core, cores_per_package, SW_ALL); - - /* Indicate FFixedHW so OS will use MSR */ - acpigen_write_empty_PTC(); - - /* Set a T-state limit that can be modified in NVS */ - acpigen_write_TPC("\\TLVL"); - - /* - * CPUID.(EAX=6):EAX[5] indicates support - * for extended throttle levels. - */ - if (cpuid_eax(6) & (1 << 5)) - acpigen_write_TSS_package( - ARRAY_SIZE(tss_table_fine), tss_table_fine); - else - acpigen_write_TSS_package( - ARRAY_SIZE(tss_table_coarse), tss_table_coarse); -} - -static int calculate_power(int tdp, int p1_ratio, int ratio) -{ - u32 m; - u32 power; - - /* - * M = ((1.1 - ((p1_ratio - ratio) * 0.00625)) / 1.1) ^ 2 - * - * Power = (ratio / p1_ratio) * m * tdp - */ - - m = (110000 - ((p1_ratio - ratio) * 625)) / 11; - m = (m * m) / 1000; - - power = ((ratio * 100000 / p1_ratio) / 100); - power *= (m / 100) * (tdp / 1000); - power /= 1000; - - return (int)power; -} - -static void generate_P_state_entries(int core, int cores_per_package) -{ - int ratio_min, ratio_max, ratio_turbo, ratio_step; - int coord_type, power_max, power_unit, num_entries; - int ratio, power, clock, clock_max; - msr_t msr; - - /* Determine P-state coordination type from MISC_PWR_MGMT[0] */ - msr = rdmsr(MSR_MISC_PWR_MGMT); - if (msr.lo & MISC_PWR_MGMT_EIST_HW_DIS) - coord_type = SW_ANY; - else - coord_type = HW_ALL; - - /* Get bus ratio limits and calculate clock speeds */ - msr = rdmsr(MSR_PLATFORM_INFO); - ratio_min = (msr.hi >> (40-32)) & 0xff; /* Max Efficiency Ratio */ - - /* Determine if this CPU has configurable TDP */ - if (cpu_config_tdp_levels()) { - /* Set max ratio to nominal TDP ratio */ - msr = rdmsr(MSR_CONFIG_TDP_NOMINAL); - ratio_max = msr.lo & 0xff; - } else { - /* Max Non-Turbo Ratio */ - ratio_max = (msr.lo >> 8) & 0xff; - } - clock_max = ratio_max * SANDYBRIDGE_BCLK; - - /* Calculate CPU TDP in mW */ - msr = rdmsr(MSR_PKG_POWER_SKU_UNIT); - power_unit = 2 << ((msr.lo & 0xf) - 1); - msr = rdmsr(MSR_PKG_POWER_SKU); - power_max = ((msr.lo & 0x7fff) / power_unit) * 1000; - - /* Write _PCT indicating use of FFixedHW */ - acpigen_write_empty_PCT(); - - /* Write _PPC with no limit on supported P-state */ - acpigen_write_PPC_NVS(); - - /* Write PSD indicating configured coordination type */ - acpigen_write_PSD_package(core, cores_per_package, coord_type); - - /* Add P-state entries in _PSS table */ - acpigen_write_name("_PSS"); - - /* Determine ratio points */ - ratio_step = PSS_RATIO_STEP; - num_entries = (ratio_max - ratio_min) / ratio_step; - while (num_entries > PSS_MAX_ENTRIES-1) { - ratio_step <<= 1; - num_entries >>= 1; - } - - /* P[T] is Turbo state if enabled */ - if (get_turbo_state() == TURBO_ENABLED) { - /* _PSS package count including Turbo */ - acpigen_write_package(num_entries + 2); - - msr = rdmsr(MSR_TURBO_RATIO_LIMIT); - ratio_turbo = msr.lo & 0xff; - - /* Add entry for Turbo ratio */ - acpigen_write_PSS_package( - clock_max + 1, /*MHz*/ - power_max, /*mW*/ - PSS_LATENCY_TRANSITION, /*lat1*/ - PSS_LATENCY_BUSMASTER, /*lat2*/ - ratio_turbo << 8, /*control*/ - ratio_turbo << 8); /*status*/ - } else { - /* _PSS package count without Turbo */ - acpigen_write_package(num_entries + 1); - } - - /* First regular entry is max non-turbo ratio */ - acpigen_write_PSS_package( - clock_max, /*MHz*/ - power_max, /*mW*/ - PSS_LATENCY_TRANSITION, /*lat1*/ - PSS_LATENCY_BUSMASTER, /*lat2*/ - ratio_max << 8, /*control*/ - ratio_max << 8); /*status*/ - - /* Generate the remaining entries */ - for (ratio = ratio_min + ((num_entries - 1) * ratio_step); - ratio >= ratio_min; ratio -= ratio_step) { - - /* Calculate power at this ratio */ - power = calculate_power(power_max, ratio_max, ratio); - clock = ratio * SANDYBRIDGE_BCLK; - - acpigen_write_PSS_package( - clock, /*MHz*/ - power, /*mW*/ - PSS_LATENCY_TRANSITION, /*lat1*/ - PSS_LATENCY_BUSMASTER, /*lat2*/ - ratio << 8, /*control*/ - ratio << 8); /*status*/ - } - - /* Fix package length */ - acpigen_pop_len(); -} - -void generate_cpu_entries(struct device *device) -{ - int coreID, cpuID, pcontrol_blk = PMB0_BASE, plen = 6; - int totalcores = dev_count_cpu(); - int cores_per_package = get_cores_per_package(); - int numcpus = totalcores/cores_per_package; - - printk(BIOS_DEBUG, "Found %d CPU(s) with %d core(s) each.\n", - numcpus, cores_per_package); - - for (cpuID = 1; cpuID <= numcpus; cpuID++) { - for (coreID = 1; coreID <= cores_per_package; coreID++) { - if (coreID > 1) { - pcontrol_blk = 0; - plen = 0; - } - - /* Generate processor \_PR.CPUx */ - acpigen_write_processor( - (cpuID-1)*cores_per_package+coreID-1, - pcontrol_blk, plen); - - /* Generate P-state tables */ - generate_P_state_entries( - cpuID-1, cores_per_package); - - /* Generate C-state tables */ - generate_C_state_entries(); - - /* Generate T-state tables */ - generate_T_state_entries( - cpuID-1, cores_per_package); - - acpigen_pop_len(); - } - } -} - -struct chip_operations cpu_intel_model_206ax_ops = { - CHIP_NAME("Intel SandyBridge/IvyBridge CPU") -}; diff --git a/src/cpu/intel/fsp_model_206ax/acpi/cpu.asl b/src/cpu/intel/fsp_model_206ax/acpi/cpu.asl deleted file mode 100644 index a95c54a71c..0000000000 --- a/src/cpu/intel/fsp_model_206ax/acpi/cpu.asl +++ /dev/null @@ -1,97 +0,0 @@ -/* - * 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. - */ - -/* These devices are created at runtime */ -External (\_PR.CP00, DeviceObj) -External (\_PR.CP01, DeviceObj) -External (\_PR.CP02, DeviceObj) -External (\_PR.CP03, DeviceObj) -External (\_PR.CP04, DeviceObj) -External (\_PR.CP05, DeviceObj) -External (\_PR.CP06, DeviceObj) -External (\_PR.CP07, DeviceObj) - -/* Notify OS to re-read CPU tables, assuming ^2 CPU count */ -Method (PNOT) -{ - If (LGreaterEqual (\PCNT, 2)) { - Notify (\_PR.CP00, 0x81) // _CST - Notify (\_PR.CP01, 0x81) // _CST - } - If (LGreaterEqual (\PCNT, 4)) { - Notify (\_PR.CP02, 0x81) // _CST - Notify (\_PR.CP03, 0x81) // _CST - } - If (LGreaterEqual (\PCNT, 8)) { - Notify (\_PR.CP04, 0x81) // _CST - Notify (\_PR.CP05, 0x81) // _CST - Notify (\_PR.CP06, 0x81) // _CST - Notify (\_PR.CP07, 0x81) // _CST - } -} - -/* Notify OS to re-read CPU _PPC limit, assuming ^2 CPU count */ -Method (PPCN) -{ - If (LGreaterEqual (\PCNT, 2)) { - Notify (\_PR.CP00, 0x80) // _PPC - Notify (\_PR.CP01, 0x80) // _PPC - } - If (LGreaterEqual (\PCNT, 4)) { - Notify (\_PR.CP02, 0x80) // _PPC - Notify (\_PR.CP03, 0x80) // _PPC - } - If (LGreaterEqual (\PCNT, 8)) { - Notify (\_PR.CP04, 0x80) // _PPC - Notify (\_PR.CP05, 0x80) // _PPC - Notify (\_PR.CP06, 0x80) // _PPC - Notify (\_PR.CP07, 0x80) // _PPC - } -} - -/* Notify OS to re-read Throttle Limit tables, assuming ^2 CPU count */ -Method (TNOT) -{ - If (LGreaterEqual (\PCNT, 2)) { - Notify (\_PR.CP00, 0x82) // _TPC - Notify (\_PR.CP01, 0x82) // _TPC - } - If (LGreaterEqual (\PCNT, 4)) { - Notify (\_PR.CP02, 0x82) // _TPC - Notify (\_PR.CP03, 0x82) // _TPC - } - If (LGreaterEqual (\PCNT, 8)) { - Notify (\_PR.CP04, 0x82) // _TPC - Notify (\_PR.CP05, 0x82) // _TPC - Notify (\_PR.CP06, 0x82) // _TPC - Notify (\_PR.CP07, 0x82) // _TPC - } -} - -/* Return a package containing enabled processor entries */ -Method (PPKG) -{ - If (LGreaterEqual (\PCNT, 8)) { - Return (Package() {\_PR.CP00, \_PR.CP01, \_PR.CP02, \_PR.CP03, - \_PR.CP04, \_PR.CP05, \_PR.CP06, \_PR.CP07}) - } ElseIf (LGreaterEqual (\PCNT, 4)) { - Return (Package() {\_PR.CP00, \_PR.CP01, \_PR.CP02, \_PR.CP03}) - } ElseIf (LGreaterEqual (\PCNT, 2)) { - Return (Package() {\_PR.CP00, \_PR.CP01}) - } Else { - Return (Package() {\_PR.CP00}) - } -} diff --git a/src/cpu/intel/fsp_model_206ax/bootblock.c b/src/cpu/intel/fsp_model_206ax/bootblock.c deleted file mode 100644 index 297edd2c49..0000000000 --- a/src/cpu/intel/fsp_model_206ax/bootblock.c +++ /dev/null @@ -1,21 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2011 Google Inc. - * - * 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. - */ - -#include <cpu/intel/microcode/microcode.c> - -static void bootblock_cpu_init(void) -{ - intel_update_microcode_from_cbfs(); -} diff --git a/src/cpu/intel/fsp_model_206ax/chip.h b/src/cpu/intel/fsp_model_206ax/chip.h deleted file mode 100644 index a1fcff5ef0..0000000000 --- a/src/cpu/intel/fsp_model_206ax/chip.h +++ /dev/null @@ -1,31 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2011 The Chromium OS 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. - */ - -/* Magic value used to locate this chip in the device tree */ -#define SPEEDSTEP_APIC_MAGIC 0xACAC - -struct cpu_intel_fsp_model_206ax_config { - u8 disable_acpi; /* Do not generate CPU ACPI tables */ - - int c1_battery; /* ACPI C1 on Battery Power */ - int c2_battery; /* ACPI C2 on Battery Power */ - int c3_battery; /* ACPI C3 on Battery Power */ - - int c1_acpower; /* ACPI C1 on AC Power */ - int c2_acpower; /* ACPI C2 on AC Power */ - int c3_acpower; /* ACPI C3 on AC Power */ - - int tcc_offset; /* TCC Activation Offset */ -}; diff --git a/src/cpu/intel/fsp_model_206ax/finalize.c b/src/cpu/intel/fsp_model_206ax/finalize.c deleted file mode 100644 index 8655402599..0000000000 --- a/src/cpu/intel/fsp_model_206ax/finalize.c +++ /dev/null @@ -1,77 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2012 The Chromium OS 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. - */ - -#include <stdint.h> -#include <stdlib.h> -#include <arch/cpu.h> -#include <cpu/x86/msr.h> -#include "model_206ax.h" - -/* MSR Documentation based on - * "Sandy Bridge Processor Family BIOS Writer's Guide (BWG)" - * Document Number 504790 - * Revision 1.6.0, June 2012 */ - -static void msr_set_bit(unsigned int reg, unsigned int bit) -{ - msr_t msr = rdmsr(reg); - - if (bit < 32) { - if (msr.lo & (1 << bit)) - return; - msr.lo |= 1 << bit; - } else { - if (msr.hi & (1 << (bit - 32))) - return; - msr.hi |= 1 << (bit - 32); - } - - wrmsr(reg, msr); -} - -void intel_model_206ax_finalize_smm(void) -{ - /* Lock C-State MSR */ - msr_set_bit(MSR_PKG_CST_CONFIG_CONTROL, 15); - - /* Lock AES-NI only if supported */ - if (cpuid_ecx(1) & (1 << 25)) - msr_set_bit(MSR_FEATURE_CONFIG, 0); - -#ifdef LOCK_POWER_CONTROL_REGISTERS - /* - * Lock the power control registers. - * - * These registers can be left unlocked if modifying power - * limits from the OS is desirable. Modifying power limits - * from the OS can be especially useful for experimentation - * during early phases of system bringup while the thermal - * power envelope is being proven. - */ - - msr_set_bit(MSR_PP0_CURRENT_CONFIG, 31); - msr_set_bit(MSR_PP1_CURRENT_CONFIG, 31); - msr_set_bit(MSR_PKG_POWER_LIMIT, 63); - msr_set_bit(MSR_PP0_POWER_LIMIT, 31); - msr_set_bit(MSR_PP1_POWER_LIMIT, 31); -#endif - - /* Lock TM interrupts - route thermal events to all processors */ - msr_set_bit(MSR_MISC_PWR_MGMT, 22); - - /* Lock memory configuration to protect SMM */ - msr_set_bit(MSR_LT_LOCK_MEMORY, 0); -} diff --git a/src/cpu/intel/fsp_model_206ax/model_206ax.h b/src/cpu/intel/fsp_model_206ax/model_206ax.h deleted file mode 100644 index 29013f2a15..0000000000 --- a/src/cpu/intel/fsp_model_206ax/model_206ax.h +++ /dev/null @@ -1,96 +0,0 @@ -/* - * 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_PKG_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_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 - -#ifndef __ROMCC__ -#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 -#endif - -#endif diff --git a/src/cpu/intel/fsp_model_206ax/model_206ax_init.c b/src/cpu/intel/fsp_model_206ax/model_206ax_init.c deleted file mode 100644 index 3eb07b0e7e..0000000000 --- a/src/cpu/intel/fsp_model_206ax/model_206ax_init.c +++ /dev/null @@ -1,395 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2007-2009 coresystems GmbH - * 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. - */ - -#include <console/console.h> -#include <device/device.h> -#include <string.h> -#include <arch/acpi.h> -#include <cpu/cpu.h> -#include <cpu/x86/mtrr.h> -#include <cpu/x86/msr.h> -#include <cpu/x86/lapic.h> -#include <cpu/intel/microcode.h> -#include <cpu/intel/speedstep.h> -#include <cpu/intel/turbo.h> -#include <cpu/x86/cache.h> -#include <cpu/x86/name.h> -#include <pc80/mc146818rtc.h> -#include "model_206ax.h" -#include "chip.h" -#include <cpu/intel/smm/gen1/smi.h> -#include <cpu/intel/common/common.h> - -/* Convert time in seconds to POWER_LIMIT_1_TIME MSR value */ -static const u8 power_limit_time_sec_to_msr[] = { - [0] = 0x00, - [1] = 0x0a, - [2] = 0x0b, - [3] = 0x4b, - [4] = 0x0c, - [5] = 0x2c, - [6] = 0x4c, - [7] = 0x6c, - [8] = 0x0d, - [10] = 0x2d, - [12] = 0x4d, - [14] = 0x6d, - [16] = 0x0e, - [20] = 0x2e, - [24] = 0x4e, - [28] = 0x6e, - [32] = 0x0f, - [40] = 0x2f, - [48] = 0x4f, - [56] = 0x6f, - [64] = 0x10, - [80] = 0x30, - [96] = 0x50, - [112] = 0x70, - [128] = 0x11, -}; - -/* Convert POWER_LIMIT_1_TIME MSR value to seconds */ -static const u8 power_limit_time_msr_to_sec[] = { - [0x00] = 0, - [0x0a] = 1, - [0x0b] = 2, - [0x4b] = 3, - [0x0c] = 4, - [0x2c] = 5, - [0x4c] = 6, - [0x6c] = 7, - [0x0d] = 8, - [0x2d] = 10, - [0x4d] = 12, - [0x6d] = 14, - [0x0e] = 16, - [0x2e] = 20, - [0x4e] = 24, - [0x6e] = 28, - [0x0f] = 32, - [0x2f] = 40, - [0x4f] = 48, - [0x6f] = 56, - [0x10] = 64, - [0x30] = 80, - [0x50] = 96, - [0x70] = 112, - [0x11] = 128, -}; - -int cpu_config_tdp_levels(void) -{ - msr_t platform_info; - - /* Minimum CPU revision */ - if (cpuid_eax(1) < IVB_CONFIG_TDP_MIN_CPUID) - return 0; - - /* Bits 34:33 indicate how many levels supported */ - platform_info = rdmsr(MSR_PLATFORM_INFO); - return (platform_info.hi >> 1) & 3; -} - -/* - * Configure processor power limits if possible - * This must be done AFTER set of BIOS_RESET_CPL - */ -void set_power_limits(u8 power_limit_1_time) -{ - msr_t msr = rdmsr(MSR_PLATFORM_INFO); - msr_t limit; - unsigned int power_unit; - unsigned int tdp, min_power, max_power, max_time; - u8 power_limit_1_val; - - if (power_limit_1_time >= ARRAY_SIZE(power_limit_time_sec_to_msr)) - return; - - if (!(msr.lo & PLATFORM_INFO_SET_TDP)) - return; - - /* Get units */ - msr = rdmsr(MSR_PKG_POWER_SKU_UNIT); - power_unit = 2 << ((msr.lo & 0xf) - 1); - - /* Get power defaults for this SKU */ - msr = rdmsr(MSR_PKG_POWER_SKU); - tdp = msr.lo & 0x7fff; - min_power = (msr.lo >> 16) & 0x7fff; - max_power = msr.hi & 0x7fff; - max_time = (msr.hi >> 16) & 0x7f; - - printk(BIOS_DEBUG, "CPU TDP: %u Watts\n", tdp / power_unit); - - if (power_limit_time_msr_to_sec[max_time] > power_limit_1_time) - power_limit_1_time = power_limit_time_msr_to_sec[max_time]; - - if (min_power > 0 && tdp < min_power) - tdp = min_power; - - if (max_power > 0 && tdp > max_power) - tdp = max_power; - - power_limit_1_val = power_limit_time_sec_to_msr[power_limit_1_time]; - - /* Set long term power limit to TDP */ - limit.lo = 0; - limit.lo |= tdp & PKG_POWER_LIMIT_MASK; - limit.lo |= PKG_POWER_LIMIT_EN; - limit.lo |= (power_limit_1_val & PKG_POWER_LIMIT_TIME_MASK) << - PKG_POWER_LIMIT_TIME_SHIFT; - - /* Set short term power limit to 1.25 * TDP */ - limit.hi = 0; - limit.hi |= ((tdp * 125) / 100) & PKG_POWER_LIMIT_MASK; - limit.hi |= PKG_POWER_LIMIT_EN; - /* Power limit 2 time is only programmable on SNB EP/EX */ - - wrmsr(MSR_PKG_POWER_LIMIT, limit); - - /* Use nominal TDP values for CPUs with configurable TDP */ - if (cpu_config_tdp_levels()) { - msr = rdmsr(MSR_CONFIG_TDP_NOMINAL); - limit.hi = 0; - limit.lo = msr.lo & 0xff; - wrmsr(MSR_TURBO_ACTIVATION_RATIO, limit); - } -} - -static void configure_misc(void) -{ - msr_t msr; - - msr = rdmsr(IA32_MISC_ENABLE); - msr.lo |= (1 << 0); /* Fast String enable */ - msr.lo |= (1 << 3); /* TM1/TM2/EMTTM enable */ - msr.lo |= (1 << 16); /* Enhanced SpeedStep Enable */ - wrmsr(IA32_MISC_ENABLE, msr); - - /* Disable Thermal interrupts */ - msr.lo = 0; - msr.hi = 0; - wrmsr(IA32_THERM_INTERRUPT, msr); - - /* Enable package critical interrupt only */ - msr.lo = 1 << 4; - msr.hi = 0; - wrmsr(IA32_PACKAGE_THERM_INTERRUPT, msr); -} - -static void enable_lapic_tpr(void) -{ - msr_t msr; - - msr = rdmsr(MSR_PIC_MSG_CONTROL); - msr.lo &= ~(1 << 10); /* Enable APIC TPR updates */ - wrmsr(MSR_PIC_MSG_CONTROL, msr); -} - -static void configure_dca_cap(void) -{ - struct cpuid_result cpuid_regs; - msr_t msr; - - /* Check feature flag in CPUID.(EAX=1):ECX[18]==1 */ - cpuid_regs = cpuid(1); - if (cpuid_regs.ecx & (1 << 18)) { - msr = rdmsr(IA32_PLATFORM_DCA_CAP); - msr.lo |= 1; - wrmsr(IA32_PLATFORM_DCA_CAP, msr); - } -} - -static void set_max_ratio(void) -{ - msr_t msr, perf_ctl; - - perf_ctl.hi = 0; - - /* Check for configurable TDP option */ - if (cpu_config_tdp_levels()) { - /* Set to nominal TDP ratio */ - msr = rdmsr(MSR_CONFIG_TDP_NOMINAL); - perf_ctl.lo = (msr.lo & 0xff) << 8; - } else { - /* Platform Info bits 15:8 give max ratio */ - msr = rdmsr(MSR_PLATFORM_INFO); - perf_ctl.lo = msr.lo & 0xff00; - } - wrmsr(IA32_PERF_CTL, perf_ctl); - - printk(BIOS_DEBUG, "model_x06ax: frequency set to %d\n", - ((perf_ctl.lo >> 8) & 0xff) * SANDYBRIDGE_BCLK); -} - -static void configure_mca(void) -{ - msr_t msr; - int i; - - msr.lo = msr.hi = 0; - /* This should only be done on a cold boot */ - for (i = 0; i < 7; i++) - wrmsr(IA32_MC0_STATUS + (i * 4), msr); -} - -int cpu_get_apic_id_map(int *apic_id_map) -{ - struct cpuid_result result; - unsigned int threads_per_package, threads_per_core, i, shift = 0; - - /* Logical processors (threads) per core */ - result = cpuid_ext(0xb, 0); - threads_per_core = result.ebx & 0xffff; - - /* Logical processors (threads) per package */ - result = cpuid_ext(0xb, 1); - threads_per_package = result.ebx & 0xffff; - - if (threads_per_core == 1) - shift++; - - for (i = 0; i < threads_per_package && i < CONFIG_MAX_CPUS; i++) - apic_id_map[i] = i << shift; - - return threads_per_package; -} - -/* - * Initialize any extra cores/threads in this package. - */ -static void intel_cores_init(struct device *cpu) -{ - struct cpuid_result result; - unsigned int threads_per_package, threads_per_core, i; - - /* Logical processors (threads) per core */ - result = cpuid_ext(0xb, 0); - threads_per_core = result.ebx & 0xffff; - - /* Logical processors (threads) per package */ - result = cpuid_ext(0xb, 1); - threads_per_package = result.ebx & 0xffff; - - /* Only initialize extra cores from BSP */ - if (cpu->path.apic.apic_id) - return; - - printk(BIOS_DEBUG, "CPU: %u has %u cores, %u threads per core\n", - cpu->path.apic.apic_id, threads_per_package/threads_per_core, - threads_per_core); - - for (i = 1; i < threads_per_package; ++i) { - struct device_path cpu_path; - struct device *new; - - /* Build the CPU device path */ - cpu_path.type = DEVICE_PATH_APIC; - cpu_path.apic.apic_id = - cpu->path.apic.apic_id + i; - - /* Update APIC ID if no hyperthreading */ - if (threads_per_core == 1) - cpu_path.apic.apic_id <<= 1; - - /* Allocate the new CPU device structure */ - new = alloc_dev(cpu->bus, &cpu_path); - if (!new) - continue; - - printk(BIOS_DEBUG, "CPU: %u has core %u\n", - cpu->path.apic.apic_id, - new->path.apic.apic_id); - - /* Start the new CPU */ - if (is_smp_boot() && !start_cpu(new)) { - /* Record the error in cpu? */ - printk(BIOS_ERR, "CPU %u would not start!\n", - new->path.apic.apic_id); - } - } -} - -static void model_206ax_init(struct device *cpu) -{ - char processor_name[49]; - - /* Turn on caching if we haven't already */ - x86_enable_cache(); - - intel_update_microcode_from_cbfs(); - - /* Clear out pending MCEs */ - configure_mca(); - - /* Print processor name */ - fill_processor_name(processor_name); - printk(BIOS_INFO, "CPU: %s.\n", processor_name); - - /* Setup MTRRs based on physical address size */ - x86_setup_mtrrs_with_detect(); - x86_mtrr_check(); - - /* Setup Page Attribute Tables (PAT) */ - // TODO set up PAT - - /* Enable the local CPU APICs */ - enable_lapic_tpr(); - setup_lapic(); - - /* Set virtualization based on Kconfig option */ - set_vmx(); - - /* Configure Enhanced SpeedStep and Thermal Sensors */ - configure_misc(); - - /* Enable Direct Cache Access */ - configure_dca_cap(); - - /* Set Max Ratio */ - set_max_ratio(); - - /* Enable Turbo */ - enable_turbo(); - - /* Start up extra cores */ - intel_cores_init(cpu); -} - -static struct device_operations cpu_dev_ops = { - .init = model_206ax_init, -}; - -static const struct cpu_device_id cpu_table[] = { - { X86_VENDOR_INTEL, 0x206a0 }, /* Intel Sandybridge */ - { X86_VENDOR_INTEL, 0x206a6 }, /* Intel Sandybridge D1 */ - { X86_VENDOR_INTEL, 0x206a7 }, /* Intel Sandybridge D2/J1 */ - { X86_VENDOR_INTEL, 0x306a0 }, /* Intel IvyBridge */ - { X86_VENDOR_INTEL, 0x306a2 }, /* Intel IvyBridge */ - { X86_VENDOR_INTEL, 0x306a4 }, /* Intel IvyBridge */ - { X86_VENDOR_INTEL, 0x306a5 }, /* Intel IvyBridge */ - { X86_VENDOR_INTEL, 0x306a6 }, /* Intel IvyBridge */ - { X86_VENDOR_INTEL, 0x306a8 }, /* Intel IvyBridge */ - { X86_VENDOR_INTEL, 0x306a9 }, /* Intel IvyBridge */ - { 0, 0 }, -}; - -static const struct cpu_driver driver __cpu_driver = { - .ops = &cpu_dev_ops, - .id_table = cpu_table, -}; |