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-rw-r--r--src/include/cpu/intel/reset.h (renamed from src/soc/intel/apollolake/include/soc/acpi.h)20
-rw-r--r--src/soc/intel/apollolake/Kconfig2
-rw-r--r--src/soc/intel/apollolake/acpi.c232
-rw-r--r--src/soc/intel/apollolake/include/soc/pm.h17
-rw-r--r--src/soc/intel/common/Makefile.inc1
-rw-r--r--src/soc/intel/common/acpi.h24
-rw-r--r--src/soc/intel/common/acpi/acpi.c243
-rw-r--r--src/soc/intel/common/block/acpi/Kconfig6
-rw-r--r--src/soc/intel/common/block/acpi/Makefile.inc1
-rw-r--r--src/soc/intel/common/block/acpi/acpi.c497
-rw-r--r--src/soc/intel/common/block/include/intelblocks/acpi.h87
-rw-r--r--src/soc/intel/common/block/lpc/lpc.c2
-rw-r--r--src/soc/intel/common/reset.c7
13 files changed, 680 insertions, 459 deletions
diff --git a/src/soc/intel/apollolake/include/soc/acpi.h b/src/include/cpu/intel/reset.h
index ba3b8fc9b5..9cf6168a7c 100644
--- a/src/soc/intel/apollolake/include/soc/acpi.h
+++ b/src/include/cpu/intel/reset.h
@@ -1,8 +1,7 @@
/*
* This file is part of the coreboot project.
*
- * Copyright (C) 2016 Intel Corp.
- * (Written by Lance Zhao <lijian.zhao@intel.com> for Intel Corp.)
+ * Copyright (C) 2017 Intel Corp.
*
* 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
@@ -15,14 +14,13 @@
* GNU General Public License for more details.
*/
-#ifndef _SOC_APOLLOLAKE_ACPI_H_
-#define _SOC_APOLLOLAKE_ACPI_H_
+#ifndef CPU_INTEL_RESET_H
+#define CPU_INTEL_RESET_H
-#include <arch/acpi.h>
+/* Reset control port */
+#define RST_CNT 0xcf9
+#define FULL_RST (1 << 3)
+#define RST_CPU (1 << 2)
+#define SYS_RST (1 << 1)
-unsigned long southbridge_write_acpi_tables(device_t device,
- unsigned long current, struct acpi_rsdp *rsdp);
-
-void southbridge_inject_dsdt(device_t device);
-
-#endif /* _SOC_APOLLOLAKE_ACPI_H_ */
+#endif /* CPU_INTEL_RESET_H */
diff --git a/src/soc/intel/apollolake/Kconfig b/src/soc/intel/apollolake/Kconfig
index a3b458d489..29483f4985 100644
--- a/src/soc/intel/apollolake/Kconfig
+++ b/src/soc/intel/apollolake/Kconfig
@@ -59,9 +59,9 @@ config CPU_SPECIFIC_OPTIONS
select SMM_TSEG
select SA_ENABLE_IMR
select SOC_INTEL_COMMON
- select SOC_INTEL_COMMON_ACPI
select SOC_INTEL_COMMON_ACPI_WAKE_SOURCE
select SOC_INTEL_COMMON_BLOCK
+ select SOC_INTEL_COMMON_BLOCK_ACPI
select SOC_INTEL_COMMON_BLOCK_CPU
select SOC_INTEL_COMMON_BLOCK_FAST_SPI
select SOC_INTEL_COMMON_BLOCK_GPIO
diff --git a/src/soc/intel/apollolake/acpi.c b/src/soc/intel/apollolake/acpi.c
index 1826b48458..e4846e4d05 100644
--- a/src/soc/intel/apollolake/acpi.c
+++ b/src/soc/intel/apollolake/acpi.c
@@ -17,20 +17,20 @@
#include <arch/acpi.h>
#include <arch/acpigen.h>
+#include <arch/io.h>
#include <arch/ioapic.h>
#include <arch/smp/mpspec.h>
#include <cbmem.h>
#include <cpu/x86/smm.h>
#include <cpu/cpu.h>
-#include <soc/acpi.h>
-#include <soc/intel/common/acpi.h>
+#include <gpio.h>
+#include <intelblocks/acpi.h>
+#include <intelblocks/pmclib.h>
#include <soc/iomap.h>
#include <soc/pm.h>
#include <soc/nvs.h>
#include <soc/pci_devs.h>
#include <string.h>
-#include <soc/gpio.h>
-#include <gpio.h>
#include "chip.h"
#define CSTATE_RES(address_space, width, offset, address) \
@@ -41,116 +41,41 @@
.addrl = address, \
}
-unsigned long acpi_fill_mcfg(unsigned long current)
-{
- /* PCI Segment Group 0, Start Bus Number 0, End Bus Number is 255 */
- current += acpi_create_mcfg_mmconfig((void *) current,
- CONFIG_MMCONF_BASE_ADDRESS, 0, 0,
- 255);
- return current;
-}
-
-static int acpi_sci_irq(void)
-{
- int sci_irq = 9;
- return sci_irq;
-}
-
-static unsigned long acpi_madt_irq_overrides(unsigned long current)
-{
- int sci = acpi_sci_irq();
- uint16_t flags = MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_LOW;
-
- /* INT_SRC_OVR */
- current += acpi_create_madt_irqoverride((void *)current, 0, 0, 2, 0);
-
- /* SCI */
- current += acpi_create_madt_irqoverride((void *)current, 0, sci, sci,
- flags);
-
- return current;
-}
-
-unsigned long acpi_fill_madt(unsigned long current)
-{
- /* Local APICs */
- current = acpi_create_madt_lapics(current);
-
- /* IOAPIC */
- current += acpi_create_madt_ioapic((void *) current,
- 2, IO_APIC_ADDR, 0);
-
- return acpi_madt_irq_overrides(current);
-}
+static acpi_cstate_t cstate_map[] = {
+ {
+ /* C1 */
+ .ctype = 1, /* ACPI C1 */
+ .latency = 1,
+ .power = 1000,
+ .resource = CSTATE_RES(ACPI_ADDRESS_SPACE_FIXED, 0, 0, 0),
+ },
+ {
+ .ctype = 2, /* ACPI C2 */
+ .latency = 50,
+ .power = 10,
+ .resource = CSTATE_RES(ACPI_ADDRESS_SPACE_IO, 8, 0, 0x415),
+ },
+ {
+ .ctype = 3, /* ACPI C3 */
+ .latency = 150,
+ .power = 10,
+ .resource = CSTATE_RES(ACPI_ADDRESS_SPACE_IO, 8, 0, 0x419),
+ }
+};
-void acpi_fill_fadt(acpi_fadt_t *fadt)
+uint32_t soc_read_sci_irq_select(void)
{
- const uint16_t pmbase = ACPI_BASE_ADDRESS;
-
- /* Use ACPI 3.0 revision. */
- fadt->header.revision = ACPI_FADT_REV_ACPI_3_0;
-
- fadt->sci_int = acpi_sci_irq();
- fadt->smi_cmd = APM_CNT;
- fadt->acpi_enable = APM_CNT_ACPI_ENABLE;
- fadt->acpi_disable = APM_CNT_ACPI_DISABLE;
-
- fadt->pm1a_evt_blk = pmbase + PM1_STS;
- fadt->pm1a_cnt_blk = pmbase + PM1_CNT;
- fadt->pm_tmr_blk = pmbase + PM1_TMR;
- fadt->gpe0_blk = pmbase + GPE0_STS(0);
-
- fadt->pm1_evt_len = 4;
- fadt->pm1_cnt_len = 2;
- fadt->pm_tmr_len = 4;
- /* There are 4 GPE0 STS/EN pairs each 32 bits wide. */
- fadt->gpe0_blk_len = 2 * GPE0_REG_MAX * sizeof(uint32_t);
- fadt->p_lvl2_lat = ACPI_FADT_C2_NOT_SUPPORTED;
- fadt->p_lvl3_lat = ACPI_FADT_C3_NOT_SUPPORTED;
- fadt->flush_size = 0x400; /* twice of cache size*/
- fadt->flush_stride = 0x10; /* Cache line width */
- fadt->duty_offset = 1;
- fadt->duty_width = 3;
- fadt->day_alrm = 0xd;
- fadt->iapc_boot_arch = ACPI_FADT_LEGACY_DEVICES | ACPI_FADT_8042;
-
- fadt->flags = ACPI_FADT_WBINVD | ACPI_FADT_C1_SUPPORTED |
- ACPI_FADT_C2_MP_SUPPORTED | ACPI_FADT_SLEEP_BUTTON |
- ACPI_FADT_RESET_REGISTER | ACPI_FADT_SEALED_CASE |
- ACPI_FADT_S4_RTC_WAKE | ACPI_FADT_PLATFORM_CLOCK;
-
- fadt->reset_reg.space_id = 1;
- fadt->reset_reg.bit_width = 8;
- fadt->reset_reg.addrl = 0xcf9;
- fadt->reset_value = 6;
-
- fadt->x_pm1a_evt_blk.space_id = 1;
- fadt->x_pm1a_evt_blk.bit_width = fadt->pm1_evt_len * 8;
- fadt->x_pm1a_evt_blk.addrl = pmbase + PM1_STS;
-
- fadt->x_pm1b_evt_blk.space_id = 1;
-
- fadt->x_pm1a_cnt_blk.space_id = 1;
- fadt->x_pm1a_cnt_blk.bit_width = fadt->pm1_cnt_len * 8;
- fadt->x_pm1a_cnt_blk.addrl = pmbase + PM1_CNT;
-
- fadt->x_pm1b_cnt_blk.space_id = 1;
-
- fadt->x_pm_tmr_blk.space_id = 1;
- fadt->x_pm_tmr_blk.bit_width = fadt->pm_tmr_len * 8;
- fadt->x_pm_tmr_blk.addrl = pmbase + PM1_TMR;
-
- fadt->x_gpe1_blk.space_id = 1;
+ uintptr_t pmc_bar = soc_read_pmc_base();
+ return read32((void *)pmc_bar + IRQ_REG);
}
-unsigned long southbridge_write_acpi_tables(device_t device,
- unsigned long current,
- struct acpi_rsdp *rsdp)
+acpi_cstate_t *soc_get_cstate_map(size_t *entries)
{
- return acpi_write_hpet(device, current, rsdp);
+ *entries = ARRAY_SIZE(cstate_map);
+ return cstate_map;
}
-static void acpi_create_gnvs(struct global_nvs_t *gnvs)
+void acpi_create_gnvs(struct global_nvs_t *gnvs)
{
struct soc_intel_apollolake_config *cfg;
struct device *dev = SA_DEV_ROOT;
@@ -159,7 +84,7 @@ static void acpi_create_gnvs(struct global_nvs_t *gnvs)
memset(gnvs, 0, sizeof(*gnvs));
if (IS_ENABLED(CONFIG_CONSOLE_CBMEM))
- gnvs->cbmc = (uintptr_t)cbmem_find(CBMEM_ID_CONSOLE);
+ gnvs->cbmc = (uintptr_t) cbmem_find(CBMEM_ID_CONSOLE);
if (IS_ENABLED(CONFIG_CHROMEOS)) {
/* Initialize Verified Boot data */
@@ -184,7 +109,7 @@ static void acpi_create_gnvs(struct global_nvs_t *gnvs)
/* Assign address of PERST_0 if GPIO is defined in devicetree */
if (cfg->prt0_gpio != GPIO_PRT0_UDEF)
- gnvs->prt0 = (uintptr_t)gpio_dwx_address(cfg->prt0_gpio);
+ gnvs->prt0 = (uintptr_t) gpio_dwx_address(cfg->prt0_gpio);
/* Get sdcard cd GPIO portid if GPIO is defined in devicetree.
* Get offset of sdcard cd pin.
@@ -195,87 +120,50 @@ static void acpi_create_gnvs(struct global_nvs_t *gnvs)
}
}
-/* Save wake source information for calculating ACPI _SWS values */
-int soc_fill_acpi_wake(uint32_t *pm1, uint32_t **gpe0)
+uint32_t acpi_fill_soc_wake(uint32_t generic_pm1_en,
+ const struct chipset_power_state *ps)
{
- struct chipset_power_state *ps;
- static uint32_t gpe0_sts[GPE0_REG_MAX];
- uint32_t pm1_en;
- int i;
-
- ps = cbmem_find(CBMEM_ID_POWER_STATE);
- if (ps == NULL)
- return -1;
-
/*
- * PM1_EN to check the basic wake events which can happen through
- * powerbtn or any other wake source like lidopen, key board press etc.
* WAK_STS bit is set when the system is in one of the sleep states
* (via the SLP_EN bit) and an enabled wake event occurs. Upon setting
* this bit, the PMC will transition the system to the ON state and
* can only be set by hardware and can only be cleared by writing a one
* to this bit position.
*/
- pm1_en = ps->pm1_en | WAK_STS | RTC_EN | PWRBTN_EN;
- *pm1 = ps->pm1_sts & pm1_en;
- /* Mask off GPE0 status bits that are not enabled */
- *gpe0 = &gpe0_sts[0];
- for (i = 0; i < GPE0_REG_MAX; i++)
- gpe0_sts[i] = ps->gpe0_sts[i] & ps->gpe0_en[i];
+ generic_pm1_en |= WAK_STS | RTC_EN | PWRBTN_EN;
+ return generic_pm1_en;
+}
- return GPE0_REG_MAX;
+int soc_madt_sci_irq_polarity(int sci)
+{
+ return MP_IRQ_POLARITY_LOW;
}
-void southbridge_inject_dsdt(device_t device)
+void soc_fill_fadt(acpi_fadt_t *fadt)
{
- struct global_nvs_t *gnvs;
+ fadt->pm_tmr_blk = ACPI_BASE_ADDRESS + PM1_TMR;
- gnvs = cbmem_find(CBMEM_ID_ACPI_GNVS);
+ fadt->p_lvl2_lat = ACPI_FADT_C2_NOT_SUPPORTED;
+ fadt->p_lvl3_lat = ACPI_FADT_C3_NOT_SUPPORTED;
- if (gnvs) {
- acpi_create_gnvs(gnvs);
- acpi_save_gnvs((uintptr_t)gnvs);
- /* And tell SMI about it */
- smm_setup_structures(gnvs, NULL, NULL);
+ fadt->pm_tmr_len = 4;
+ fadt->duty_width = 3;
- /* Add it to DSDT. */
- acpigen_write_scope("\\");
- acpigen_write_name_dword("NVSA", (uintptr_t)gnvs);
- acpigen_pop_len();
- }
-}
-static acpi_cstate_t cstate_map[] = {
- {
- /* C1 */
- .ctype = 1, /* ACPI C1 */
- .latency = 1,
- .power = 1000,
- .resource = CSTATE_RES(ACPI_ADDRESS_SPACE_FIXED, 0, 0, 0),
- },
- {
- .ctype = 2, /* ACPI C2 */
- .latency = 50,
- .power = 10,
- .resource = CSTATE_RES(ACPI_ADDRESS_SPACE_IO, 8, 0, 0x415),
- },
- {
- .ctype = 3, /* ACPI C3 */
- .latency = 150,
- .power = 10,
- .resource = CSTATE_RES(ACPI_ADDRESS_SPACE_IO, 8, 0, 0x419),
- }
-};
+ fadt->iapc_boot_arch = ACPI_FADT_LEGACY_DEVICES | ACPI_FADT_8042;
-acpi_cstate_t *soc_get_cstate_map(int *entries)
-{
- *entries = ARRAY_SIZE(cstate_map);
- return cstate_map;
+ fadt->x_pm_tmr_blk.space_id = 1;
+ fadt->x_pm_tmr_blk.bit_width = fadt->pm_tmr_len * 8;
+ fadt->x_pm_tmr_blk.addrl = ACPI_BASE_ADDRESS + PM1_TMR;
}
-uint16_t soc_get_acpi_base_address(void)
+void soc_power_states_generation(int core_id, int cores_per_package)
{
- return ACPI_BASE_ADDRESS;
+ /* Generate P-state tables */
+ generate_p_state_entries(core_id, cores_per_package);
+
+ /* Generate T-state tables */
+ generate_t_state_entries(core_id, cores_per_package);
}
static void acpigen_soc_get_dw0_in_local5(uintptr_t addr)
@@ -294,7 +182,7 @@ static void acpigen_soc_get_dw0_in_local5(uintptr_t addr)
static int acpigen_soc_get_gpio_val(unsigned int gpio_num, uint32_t mask)
{
assert(gpio_num < TOTAL_PADS);
- uintptr_t addr = (uintptr_t)gpio_dwx_address(gpio_num);
+ uintptr_t addr = (uintptr_t) gpio_dwx_address(gpio_num);
acpigen_soc_get_dw0_in_local5(addr);
@@ -320,7 +208,7 @@ static int acpigen_soc_get_gpio_val(unsigned int gpio_num, uint32_t mask)
static int acpigen_soc_set_gpio_val(unsigned int gpio_num, uint32_t val)
{
assert(gpio_num < TOTAL_PADS);
- uintptr_t addr = (uintptr_t)gpio_dwx_address(gpio_num);
+ uintptr_t addr = (uintptr_t) gpio_dwx_address(gpio_num);
acpigen_soc_get_dw0_in_local5(addr);
diff --git a/src/soc/intel/apollolake/include/soc/pm.h b/src/soc/intel/apollolake/include/soc/pm.h
index 3be39554ed..37e4cedc3e 100644
--- a/src/soc/intel/apollolake/include/soc/pm.h
+++ b/src/soc/intel/apollolake/include/soc/pm.h
@@ -202,6 +202,23 @@
#define PMC_GPE_W_31_0 9
#endif
+#define IRQ_REG 0x106C
+#define SCI_IRQ_ADJUST 24
+#define SCI_IRQ_SEL (255 << SCI_IRQ_ADJUST)
+#define SCIS_IRQ9 9
+#define SCIS_IRQ10 10
+#define SCIS_IRQ11 11
+#define SCIS_IRQ20 20
+#define SCIS_IRQ21 21
+#define SCIS_IRQ22 22
+#define SCIS_IRQ23 23
+
+/* P-state configuration */
+#define PSS_MAX_ENTRIES 8
+#define PSS_RATIO_STEP 2
+#define PSS_LATENCY_TRANSITION 10
+#define PSS_LATENCY_BUSMASTER 10
+
/* Track power state from reset to log events. */
struct chipset_power_state {
uint16_t pm1_sts;
diff --git a/src/soc/intel/common/Makefile.inc b/src/soc/intel/common/Makefile.inc
index cd942580a6..450473006f 100644
--- a/src/soc/intel/common/Makefile.inc
+++ b/src/soc/intel/common/Makefile.inc
@@ -28,7 +28,6 @@ ramstage-$(CONFIG_MMA) += mma.c
ramstage-$(CONFIG_SOC_INTEL_COMMON_ACPI_WAKE_SOURCE) += acpi_wake_source.c
ramstage-y += vbt.c
ramstage-$(CONFIG_SOC_INTEL_COMMON_GFX_OPREGION) += opregion.c
-ramstage-$(CONFIG_SOC_INTEL_COMMON_ACPI) += ./acpi/acpi.c
ramstage-$(CONFIG_SOC_INTEL_COMMON_NHLT) += nhlt.c
bootblock-$(CONFIG_MAINBOARD_HAS_TPM_CR50) += tpm_tis.c
diff --git a/src/soc/intel/common/acpi.h b/src/soc/intel/common/acpi.h
index 19ab92666b..4547204894 100644
--- a/src/soc/intel/common/acpi.h
+++ b/src/soc/intel/common/acpi.h
@@ -1,8 +1,4 @@
/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2015 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.
@@ -29,24 +25,4 @@
*/
int soc_fill_acpi_wake(uint32_t *pm1, uint32_t **gpe0);
-#if IS_ENABLED(CONFIG_SOC_INTEL_COMMON_ACPI)
-
-/*
- * get_cstate_map returns a table of processor specific acpi_cstate_t entries
- * and number of entries in the table
- */
-acpi_cstate_t *soc_get_cstate_map(int *num_entries);
-
-/*
- * get_soc_tss_table returns a table of processor specific acpi_tstate_t entries
- * and number of entries in the table
- */
-acpi_tstate_t *soc_get_tss_table(int *num_entries);
-
-/*
- * soc_get_acpi_base_address returns the ACPI base address for the SOC
- */
-uint16_t soc_get_acpi_base_address(void);
-
#endif /* CONFIG_SOC_INTEL_COMMON_ACPI */
-#endif
diff --git a/src/soc/intel/common/acpi/acpi.c b/src/soc/intel/common/acpi/acpi.c
deleted file mode 100644
index 0934dbd2ae..0000000000
--- a/src/soc/intel/common/acpi/acpi.c
+++ /dev/null
@@ -1,243 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2016 Intel Corporation.
- *
- * 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; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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 <arch/acpi.h>
-#include <arch/acpigen.h>
-#include <arch/cpu.h>
-#include <cpu/intel/turbo.h>
-#include <cpu/x86/msr.h>
-#include <intelblocks/cpulib.h>
-#include <soc/intel/common/acpi.h>
-#include <soc/pm.h>
-
-#define MSR_PLATFORM_INFO 0xce
-#define MSR_TURBO_RATIO_LIMIT 0x1ad
-#define MSR_CONFIG_TDP_NOMINAL 0x648
-#define MSR_RAPL_POWER_UNIT 0x606
-#define MSR_PKG_POWER_INFO 0x614
-
-/* P-state configuration */
-#define PSS_MAX_ENTRIES 8
-#define PSS_RATIO_STEP 2
-#define PSS_LATENCY_TRANSITION 10
-#define PSS_LATENCY_BUSMASTER 10
-
-
-__attribute__((weak)) acpi_cstate_t *soc_get_cstate_map(int *entries)
-{
- *entries = 0;
- return NULL;
-}
-
-__attribute__((weak)) acpi_tstate_t *soc_get_tss_table(int *entries)
-{
- *entries = 0;
- return NULL;
-}
-
-__attribute__((weak)) uint16_t soc_get_acpi_base_address(void)
-{
-#define ACPI_BASE_ADDR 0x400
- return ACPI_BASE_ADDR;
-}
-
-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 power;
-}
-
-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_p_state_entries(int core, int cores_per_package)
-{
- int ratio_min, ratio_max, ratio_turbo, ratio_step;
- int coord_type, power_max, num_entries;
- int ratio, power, clock, clock_max;
-
- coord_type = cpu_get_coord_type();
- ratio_min = cpu_get_min_ratio();
- ratio_max = cpu_get_max_ratio();
- clock_max = (ratio_max * cpu_get_bus_clock()) / KHz;
-
- /* Calculate CPU TDP in mW */
- power_max = cpu_get_power_max();
-
- /* 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, 1, 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) + 1;
- if (num_entries > PSS_MAX_ENTRIES) {
- ratio_step += 1;
- num_entries = ((ratio_max - ratio_min) / ratio_step) + 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);
- ratio_turbo = cpu_get_max_turbo_ratio();
-
- /* 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 * cpu_get_bus_clock()) / KHz;
-
- 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();
-}
-
-static void generate_c_state_entries(void)
-{
- acpi_cstate_t *c_state_map;
- int entries;
-
- c_state_map = soc_get_cstate_map(&entries);
-
- /* Generate C-state tables */
- acpigen_write_CST_package(c_state_map, entries);
-}
-
-static void generate_t_state_entries(int core, int cores_per_package)
-{
- acpi_tstate_t *soc_tss_table;
- int entries;
-
- soc_tss_table = soc_get_tss_table(&entries);
- if (entries == 0)
- return;
-
- /* 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 NVS controlled T-state limit */
- acpigen_write_TPC("\\TLVL");
-
- /* Write TSS table for MSR access */
- acpigen_write_TSS_package(entries, soc_tss_table);
-}
-
-void generate_cpu_entries(device_t device)
-{
- int core_id, cpu_id, pcontrol_blk = soc_get_acpi_base_address();
- int 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 (cpu_id = 0; cpu_id < numcpus; cpu_id++) {
- for (core_id = 0; core_id < cores_per_package; core_id++) {
- if (core_id > 0) {
- pcontrol_blk = 0;
- plen = 0;
- }
-
- /* Generate processor \_PR.CPUx */
- acpigen_write_processor(
- (cpu_id)*cores_per_package + core_id,
- pcontrol_blk, plen);
-
- /* Generate P-state tables */
- generate_p_state_entries(
- core_id, cores_per_package);
-
- /* Generate C-state tables */
- generate_c_state_entries();
-
- /* Generate T-state tables */
- generate_t_state_entries(
- core_id, cores_per_package);
-
- acpigen_pop_len();
- }
- }
-}
diff --git a/src/soc/intel/common/block/acpi/Kconfig b/src/soc/intel/common/block/acpi/Kconfig
new file mode 100644
index 0000000000..ff59172f3b
--- /dev/null
+++ b/src/soc/intel/common/block/acpi/Kconfig
@@ -0,0 +1,6 @@
+config SOC_INTEL_COMMON_BLOCK_ACPI
+ depends on SOC_INTEL_COMMON_BLOCK_CPU
+ depends on SOC_INTEL_COMMON_BLOCK_PMC
+ bool
+ help
+ Intel Processor common code for ACPI
diff --git a/src/soc/intel/common/block/acpi/Makefile.inc b/src/soc/intel/common/block/acpi/Makefile.inc
new file mode 100644
index 0000000000..c6bdac5d3e
--- /dev/null
+++ b/src/soc/intel/common/block/acpi/Makefile.inc
@@ -0,0 +1 @@
+ramstage-$(CONFIG_SOC_INTEL_COMMON_BLOCK_ACPI) += acpi.c
diff --git a/src/soc/intel/common/block/acpi/acpi.c b/src/soc/intel/common/block/acpi/acpi.c
new file mode 100644
index 0000000000..e216f2e001
--- /dev/null
+++ b/src/soc/intel/common/block/acpi/acpi.c
@@ -0,0 +1,497 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2017 Intel Corp.
+ *
+ * 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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 <arch/acpigen.h>
+#include <arch/ioapic.h>
+#include <arch/smp/mpspec.h>
+#include <bootstate.h>
+#include <cbmem.h>
+#include <cpu/intel/reset.h>
+#include <cpu/intel/turbo.h>
+#include <cpu/x86/msr.h>
+#include <cpu/x86/smm.h>
+#include <intelblocks/acpi.h>
+#include <intelblocks/msr.h>
+#include <intelblocks/pmclib.h>
+#include <soc/gpio.h>
+#include <soc/iomap.h>
+#include <soc/nvs.h>
+#include <soc/pm.h>
+
+unsigned long acpi_fill_mcfg(unsigned long current)
+{
+ /* PCI Segment Group 0, Start Bus Number 0, End Bus Number is 255 */
+ current += acpi_create_mcfg_mmconfig((void *)current,
+ CONFIG_MMCONF_BASE_ADDRESS, 0, 0,
+ 255);
+ return current;
+}
+
+static int acpi_sci_irq(void)
+{
+ int sci_irq = 9;
+ uint32_t scis;
+
+ scis = soc_read_sci_irq_select();
+ scis &= SCI_IRQ_SEL;
+ scis >>= SCI_IRQ_ADJUST;
+
+ /* Determine how SCI is routed. */
+ switch (scis) {
+ case SCIS_IRQ9:
+ case SCIS_IRQ10:
+ case SCIS_IRQ11:
+ sci_irq = scis - SCIS_IRQ9 + 9;
+ break;
+ case SCIS_IRQ20:
+ case SCIS_IRQ21:
+ case SCIS_IRQ22:
+ case SCIS_IRQ23:
+ sci_irq = scis - SCIS_IRQ20 + 20;
+ break;
+ default:
+ printk(BIOS_DEBUG, "Invalid SCI route! Defaulting to IRQ9.\n");
+ sci_irq = 9;
+ break;
+ }
+
+ printk(BIOS_DEBUG, "SCI is IRQ%d\n", sci_irq);
+ return sci_irq;
+}
+
+static unsigned long acpi_madt_irq_overrides(unsigned long current)
+{
+ int sci = acpi_sci_irq();
+ uint16_t flags = MP_IRQ_TRIGGER_LEVEL;
+
+ /* INT_SRC_OVR */
+ current += acpi_create_madt_irqoverride((void *)current, 0, 0, 2, 0);
+
+ flags |= soc_madt_sci_irq_polarity(sci);
+
+ /* SCI */
+ current +=
+ acpi_create_madt_irqoverride((void *)current, 0, sci, sci, flags);
+
+ return current;
+}
+
+unsigned long acpi_fill_madt(unsigned long current)
+{
+ /* Local APICs */
+ current = acpi_create_madt_lapics(current);
+
+ /* IOAPIC */
+ current += acpi_create_madt_ioapic((void *)current, 2, IO_APIC_ADDR, 0);
+
+ return acpi_madt_irq_overrides(current);
+}
+
+__attribute__ ((weak)) void soc_fill_fadt(acpi_fadt_t *fadt)
+{
+}
+
+void acpi_fill_fadt(acpi_fadt_t *fadt)
+{
+ const uint16_t pmbase = ACPI_BASE_ADDRESS;
+
+ /* Use ACPI 3.0 revision. */
+ fadt->header.revision = ACPI_FADT_REV_ACPI_3_0;
+
+ fadt->sci_int = acpi_sci_irq();
+ fadt->smi_cmd = APM_CNT;
+ fadt->acpi_enable = APM_CNT_ACPI_ENABLE;
+ fadt->acpi_disable = APM_CNT_ACPI_DISABLE;
+ fadt->s4bios_req = 0x0;
+ fadt->pstate_cnt = 0;
+
+ fadt->pm1a_evt_blk = pmbase + PM1_STS;
+ fadt->pm1b_evt_blk = 0x0;
+ fadt->pm1a_cnt_blk = pmbase + PM1_CNT;
+ fadt->pm1b_cnt_blk = 0x0;
+
+ fadt->gpe0_blk = pmbase + GPE0_STS(0);
+
+ fadt->pm1_evt_len = 4;
+ fadt->pm1_cnt_len = 2;
+
+ /* GPE0 STS/EN pairs each 32 bits wide. */
+ fadt->gpe0_blk_len = 2 * GPE0_REG_MAX * sizeof(uint32_t);
+
+ fadt->flush_size = 0x400; /* twice of cache size */
+ fadt->flush_stride = 0x10; /* Cache line width */
+ fadt->duty_offset = 1;
+ fadt->day_alrm = 0xd;
+
+ fadt->flags = ACPI_FADT_WBINVD | ACPI_FADT_C1_SUPPORTED |
+ ACPI_FADT_C2_MP_SUPPORTED | ACPI_FADT_SLEEP_BUTTON |
+ ACPI_FADT_RESET_REGISTER | ACPI_FADT_SEALED_CASE |
+ ACPI_FADT_S4_RTC_WAKE | ACPI_FADT_PLATFORM_CLOCK;
+
+ fadt->reset_reg.space_id = 1;
+ fadt->reset_reg.bit_width = 8;
+ fadt->reset_reg.addrl = RST_CNT;
+ fadt->reset_value = RST_CPU | SYS_RST;
+
+ fadt->x_pm1a_evt_blk.space_id = 1;
+ fadt->x_pm1a_evt_blk.bit_width = fadt->pm1_evt_len * 8;
+ fadt->x_pm1a_evt_blk.addrl = pmbase + PM1_STS;
+
+ fadt->x_pm1b_evt_blk.space_id = 1;
+
+ fadt->x_pm1a_cnt_blk.space_id = 1;
+ fadt->x_pm1a_cnt_blk.bit_width = fadt->pm1_cnt_len * 8;
+ fadt->x_pm1a_cnt_blk.addrl = pmbase + PM1_CNT;
+
+ fadt->x_pm1b_cnt_blk.space_id = 1;
+
+ fadt->x_gpe1_blk.space_id = 1;
+
+ soc_fill_fadt(fadt);
+}
+
+unsigned long southbridge_write_acpi_tables(device_t device,
+ unsigned long current,
+ struct acpi_rsdp *rsdp)
+{
+ return acpi_write_hpet(device, current, rsdp);
+}
+
+__attribute__ ((weak))
+uint32_t acpi_fill_soc_wake(uint32_t generic_pm1_en,
+ const struct chipset_power_state *ps)
+{
+ return generic_pm1_en;
+}
+
+/*
+ * Save wake source information for calculating ACPI _SWS values
+ *
+ * @pm1: PM1_STS register with only enabled events set
+ * @gpe0: GPE0_STS registers with only enabled events set
+ *
+ * return the number of registers in the gpe0 array or -1 if nothing
+ * is provided by this function.
+ */
+
+static int acpi_fill_wake(uint32_t *pm1, uint32_t **gpe0)
+{
+ struct chipset_power_state *ps;
+ static uint32_t gpe0_sts[GPE0_REG_MAX];
+ uint32_t pm1_en;
+ int i;
+
+ ps = cbmem_find(CBMEM_ID_POWER_STATE);
+ if (ps == NULL)
+ return -1;
+
+ /*
+ * PM1_EN to check the basic wake events which can happen through
+ * powerbtn or any other wake source like lidopen, key board press etc.
+ */
+ pm1_en = ps->pm1_en;
+
+ pm1_en = acpi_fill_soc_wake(pm1_en, ps);
+
+ *pm1 = ps->pm1_sts & pm1_en;
+
+ /* Mask off GPE0 status bits that are not enabled */
+ *gpe0 = &gpe0_sts[0];
+ for (i = 0; i < GPE0_REG_MAX; i++)
+ gpe0_sts[i] = ps->gpe0_sts[i] & ps->gpe0_en[i];
+
+ return GPE0_REG_MAX;
+}
+
+__attribute__ ((weak)) void acpi_create_gnvs(struct global_nvs_t *gnvs)
+{
+}
+
+void southbridge_inject_dsdt(device_t device)
+{
+ struct global_nvs_t *gnvs;
+
+ gnvs = cbmem_find(CBMEM_ID_ACPI_GNVS);
+ if (!gnvs) {
+ gnvs = cbmem_add(CBMEM_ID_ACPI_GNVS, sizeof(*gnvs));
+ if (gnvs)
+ memset(gnvs, 0, sizeof(*gnvs));
+ }
+
+ if (gnvs) {
+ acpi_create_gnvs(gnvs);
+ acpi_save_gnvs((uintptr_t) gnvs);
+ /* And tell SMI about it */
+ smm_setup_structures(gnvs, NULL, NULL);
+
+ /* Add it to DSDT. */
+ acpigen_write_scope("\\");
+ acpigen_write_name_dword("NVSA", (uintptr_t) gnvs);
+ acpigen_pop_len();
+ }
+}
+
+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 power;
+}
+
+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_c_state_entries(void)
+{
+ acpi_cstate_t *c_state_map;
+ size_t entries;
+
+ c_state_map = soc_get_cstate_map(&entries);
+
+ /* Generate C-state tables */
+ acpigen_write_CST_package(c_state_map, entries);
+}
+
+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, num_entries;
+ int ratio, power, clock, clock_max;
+
+ coord_type = cpu_get_coord_type();
+ ratio_min = cpu_get_min_ratio();
+ ratio_max = cpu_get_max_ratio();
+ clock_max = (ratio_max * cpu_get_bus_clock()) / KHz;
+
+ /* Calculate CPU TDP in mW */
+ power_max = cpu_get_power_max();
+
+ /* 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, 1, 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) + 1;
+ if (num_entries > PSS_MAX_ENTRIES) {
+ ratio_step += 1;
+ num_entries = ((ratio_max - ratio_min) / ratio_step) + 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);
+ ratio_turbo = cpu_get_max_turbo_ratio();
+
+ /* 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 * cpu_get_bus_clock()) / KHz;
+
+ 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();
+}
+
+static acpi_tstate_t *soc_get_tss_table(int *entries)
+{
+ *entries = 0;
+ return NULL;
+}
+
+void generate_t_state_entries(int core, int cores_per_package)
+{
+ acpi_tstate_t *soc_tss_table;
+ int entries;
+
+ soc_tss_table = soc_get_tss_table(&entries);
+ if (entries == 0)
+ return;
+
+ /* Indicate SW_ALL coordination for T-states */
+ acpigen_write_TSD_package(core, cores_per_package, SW_ALL);
+
+ /* Indicate FixedHW so OS will use MSR */
+ acpigen_write_empty_PTC();
+
+ /* Set NVS controlled T-state limit */
+ acpigen_write_TPC("\\TLVL");
+
+ /* Write TSS table for MSR access */
+ acpigen_write_TSS_package(entries, soc_tss_table);
+}
+
+__attribute__ ((weak)) void soc_power_states_generation(int core_id,
+ int cores_per_package)
+{
+}
+
+void generate_cpu_entries(device_t device)
+{
+ int core_id, cpu_id, pcontrol_blk = ACPI_BASE_ADDRESS;
+ int 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 (cpu_id = 0; cpu_id < numcpus; cpu_id++) {
+ for (core_id = 0; core_id < cores_per_package; core_id++) {
+ if (core_id > 0) {
+ pcontrol_blk = 0;
+ plen = 0;
+ }
+
+ /* Generate processor \_PR.CPUx */
+ acpigen_write_processor((cpu_id) * cores_per_package +
+ core_id, pcontrol_blk, plen);
+
+ /* Generate C-state tables */
+ generate_c_state_entries();
+
+ /* Soc specific power states generation */
+ soc_power_states_generation(core_id, cores_per_package);
+
+ acpigen_pop_len();
+ }
+ }
+}
+
+#if IS_ENABLED(CONFIG_SOC_INTEL_COMMON_ACPI_WAKE_SOURCE)
+/* Save wake source data for ACPI _SWS methods in NVS */
+static void acpi_save_wake_source(void *unused)
+{
+ global_nvs_t *gnvs = cbmem_find(CBMEM_ID_ACPI_GNVS);
+ uint32_t pm1, *gpe0;
+ int gpe_reg, gpe_reg_count;
+ int reg_size = sizeof(uint32_t) * 8;
+
+ if (!gnvs)
+ return;
+
+ gnvs->pm1i = -1;
+ gnvs->gpei = -1;
+
+ gpe_reg_count = acpi_fill_wake(&pm1, &gpe0);
+ if (gpe_reg_count < 0)
+ return;
+
+ /* Scan for first set bit in PM1 */
+ for (gnvs->pm1i = 0; gnvs->pm1i < reg_size; gnvs->pm1i++) {
+ if (pm1 & 1)
+ break;
+ pm1 >>= 1;
+ }
+
+ /* If unable to determine then return -1 */
+ if (gnvs->pm1i >= 16)
+ gnvs->pm1i = -1;
+
+ /* Scan for first set bit in GPE registers */
+ for (gpe_reg = 0; gpe_reg < gpe_reg_count; gpe_reg++) {
+ uint32_t gpe = gpe0[gpe_reg];
+ int start = gpe_reg * reg_size;
+ int end = start + reg_size;
+
+ if (gpe == 0) {
+ if (!gnvs->gpei)
+ gnvs->gpei = end;
+ continue;
+ }
+
+ for (gnvs->gpei = start; gnvs->gpei < end; gnvs->gpei++) {
+ if (gpe & 1)
+ break;
+ gpe >>= 1;
+ }
+ }
+
+ /* If unable to determine then return -1 */
+ if (gnvs->gpei >= gpe_reg_count * reg_size)
+ gnvs->gpei = -1;
+
+ printk(BIOS_DEBUG, "ACPI _SWS is PM1 Index %lld GPE Index %lld\n",
+ (long long)gnvs->pm1i, (long long)gnvs->gpei);
+}
+
+BOOT_STATE_INIT_ENTRY(BS_OS_RESUME, BS_ON_ENTRY, acpi_save_wake_source, NULL);
+
+#endif
diff --git a/src/soc/intel/common/block/include/intelblocks/acpi.h b/src/soc/intel/common/block/include/intelblocks/acpi.h
new file mode 100644
index 0000000000..010773b52a
--- /dev/null
+++ b/src/soc/intel/common/block/include/intelblocks/acpi.h
@@ -0,0 +1,87 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2017 Intel Corp.
+ *
+ * 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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 SOC_INTEL_COMMON_BLOCK_ACPI_H
+#define SOC_INTEL_COMMON_BLOCK_ACPI_H
+
+#include <arch/acpi.h>
+#include <device/device.h>
+#include <intelblocks/cpulib.h>
+#include <stdint.h>
+
+/* Forward declare the power state struct here */
+struct chipset_power_state;
+
+/* Forward declare the global nvs structure here */
+struct global_nvs_t;
+
+/* Read the scis from soc specific register. Returns int scis value */
+uint32_t soc_read_sci_irq_select(void);
+
+/*
+ * Calls acpi_write_hpet which creates and fills HPET table and
+ * adds it to the RSDT (and XSDT) structure.
+ */
+unsigned long southbridge_write_acpi_tables(device_t device,
+ unsigned long current,
+ struct acpi_rsdp *rsdp);
+
+/*
+ * Craetes acpi gnvs and adds it to the DSDT table.
+ * GNVS creation is chipset specific and is done in soc specific acpi.c file.
+ */
+void southbridge_inject_dsdt(device_t device);
+
+/*
+ * This function populates the gnvs structure in acpi table.
+ * Defined as weak in common acpi as gnvs structure definition is
+ * chipset specific.
+ */
+void acpi_create_gnvs(struct global_nvs_t *gnvs);
+
+/*
+ * get_cstate_map returns a table of processor specific acpi_cstate_t entries
+ * and number of entries in the table
+ */
+acpi_cstate_t *soc_get_cstate_map(size_t *num_entries);
+
+/*
+ * Chipset specific quirks for the wake enable bits.
+ * Returns wake events for the soc.
+ */
+uint32_t acpi_fill_soc_wake(uint32_t generic_pm1_en,
+ const struct chipset_power_state *ps);
+
+/* Chipset specific settings for filling up fadt table */
+void soc_fill_fadt(acpi_fadt_t *fadt);
+
+/* Return the polarity flag for SCI IRQ */
+int soc_madt_sci_irq_polarity(int sci);
+
+/* Generate P-state tables */
+void generate_p_state_entries(int core, int cores_per_package);
+
+/* Generate T-state tables */
+void generate_t_state_entries(int core, int cores_per_package);
+
+/*
+ * soc specific power states generation. We need this to be defined by soc
+ * as the state generations varies in chipsets e.g. APL generates T and P
+ * states while SKL generates * P state only depening on a devicetree config
+ */
+void soc_power_states_generation(int core_id, int cores_per_package);
+
+#endif /* _SOC_INTEL_COMMON_BLOCK_ACPI_H_ */
diff --git a/src/soc/intel/common/block/lpc/lpc.c b/src/soc/intel/common/block/lpc/lpc.c
index 0559d95399..1c4e2ce785 100644
--- a/src/soc/intel/common/block/lpc/lpc.c
+++ b/src/soc/intel/common/block/lpc/lpc.c
@@ -17,8 +17,8 @@
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
+#include <intelblocks/acpi.h>
#include <intelblocks/lpc_lib.h>
-#include <soc/acpi.h>
#include <soc/pm.h>
/* Common weak definition, needs to be implemented in each soc LPC driver. */
diff --git a/src/soc/intel/common/reset.c b/src/soc/intel/common/reset.c
index 06a534ce99..bdd7d9198e 100644
--- a/src/soc/intel/common/reset.c
+++ b/src/soc/intel/common/reset.c
@@ -17,14 +17,9 @@
#include <arch/hlt.h>
#include <arch/io.h>
+#include <cpu/intel/reset.h>
#include <reset.h>
-/* Reset control port */
-#define RST_CNT 0xcf9
-#define FULL_RST (1 << 3)
-#define RST_CPU (1 << 2)
-#define SYS_RST (1 << 1)
-
#if IS_ENABLED(CONFIG_HAVE_HARD_RESET)
void do_hard_reset(void)
{