coreboot
coreboot is an Open Source project aimed at replacing the proprietary BIOS found in most computers.
Macros | Functions | Variables
acpi.c File Reference
#include <acpi/acpi.h>
#include <acpi/acpi_gnvs.h>
#include <acpi/acpigen.h>
#include <console/console.h>
#include <device/device.h>
#include <device/mmio.h>
#include <arch/smp/mpspec.h>
#include <assert.h>
#include <device/pci_ops.h>
#include <gpio.h>
#include <intelblocks/acpi.h>
#include <intelblocks/pmclib.h>
#include <intelblocks/p2sb.h>
#include <soc/iomap.h>
#include <soc/pm.h>
#include <soc/nvs.h>
#include <soc/pci_devs.h>
#include <soc/systemagent.h>
#include "chip.h"
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Macros

#define CSTATE_RES(address_space, width, offset, address)
 

Functions

uint32_t soc_read_sci_irq_select (void)
 
void soc_write_sci_irq_select (uint32_t scis)
 
const acpi_cstate_t * soc_get_cstate_map (size_t *entries)
 
void soc_fill_gnvs (struct global_nvs *gnvs)
 
int soc_madt_sci_irq_polarity (int sci)
 
void soc_fill_fadt (acpi_fadt_t *fadt)
 
static unsigned long soc_fill_dmar (unsigned long current)
 
unsigned long sa_write_acpi_tables (const struct device *const dev, unsigned long current, struct acpi_rsdp *const rsdp)
 
void soc_power_states_generation (int core_id, int cores_per_package)
 
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)
 
static int acpigen_soc_set_gpio_val (unsigned int gpio_num, uint32_t val)
 
int acpigen_soc_read_rx_gpio (unsigned int gpio_num)
 
int acpigen_soc_get_tx_gpio (unsigned int gpio_num)
 
int acpigen_soc_set_tx_gpio (unsigned int gpio_num)
 
int acpigen_soc_clear_tx_gpio (unsigned int gpio_num)
 

Variables

static const acpi_cstate_t cstate_map []
 

Macro Definition Documentation

◆ CSTATE_RES

#define CSTATE_RES (   address_space,
  width,
  offset,
  address 
)
Value:
{ \
.space_id = address_space, \
.bit_width = width, \
.bit_offset = offset, \
.addrl = address, \
}
width
static int width
Definition: bochs.c:42
offset
static size_t offset
Definition: flashconsole.c:16
address
uint64_t address
Definition: fw_cfg_if.h:0

Definition at line 24 of file acpi.c.

Function Documentation

◆ acpigen_soc_clear_tx_gpio()

int acpigen_soc_clear_tx_gpio ( unsigned int  gpio_num)

Definition at line 288 of file acpi.c.

References acpigen_soc_set_gpio_val().

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◆ acpigen_soc_get_dw0_in_local5()

static void acpigen_soc_get_dw0_in_local5 ( uintptr_t  addr)
static

Definition at line 206 of file acpi.c.

References acpigen_emit_byte(), acpigen_emit_namestring(), acpigen_write_integer(), acpigen_write_store(), addr, and LOCAL5_OP.

Referenced by acpigen_soc_get_gpio_val(), and acpigen_soc_set_gpio_val().

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◆ acpigen_soc_get_gpio_val()

static int acpigen_soc_get_gpio_val ( unsigned int  gpio_num,
uint32_t  mask 
)
static

Definition at line 219 of file acpi.c.

References acpigen_pop_len(), acpigen_soc_get_dw0_in_local5(), acpigen_write_else(), acpigen_write_if_and(), acpigen_write_store_ops(), addr, assert, gpio_dwx_address(), LOCAL0_OP, LOCAL5_OP, mask, ONE_OP, TOTAL_PADS, and ZERO_OP.

Referenced by acpigen_soc_get_tx_gpio(), and acpigen_soc_read_rx_gpio().

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◆ acpigen_soc_get_tx_gpio()

int acpigen_soc_get_tx_gpio ( unsigned int  gpio_num)

Definition at line 278 of file acpi.c.

References acpigen_soc_get_gpio_val(), and PAD_CFG0_TX_STATE.

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◆ acpigen_soc_read_rx_gpio()

int acpigen_soc_read_rx_gpio ( unsigned int  gpio_num)

Definition at line 273 of file acpi.c.

References acpigen_soc_get_gpio_val(), and PAD_CFG0_RX_STATE.

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◆ acpigen_soc_set_gpio_val()

static int acpigen_soc_set_gpio_val ( unsigned int  gpio_num,
uint32_t  val 
)
static

Definition at line 243 of file acpi.c.

References acpigen_emit_byte(), acpigen_emit_namestring(), acpigen_soc_get_dw0_in_local5(), acpigen_write_and(), acpigen_write_integer(), acpigen_write_not(), acpigen_write_or(), addr, assert, gpio_dwx_address(), LOCAL5_OP, LOCAL6_OP, PAD_CFG0_TX_STATE, TOTAL_PADS, and val.

Referenced by acpigen_soc_clear_tx_gpio(), and acpigen_soc_set_tx_gpio().

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◆ acpigen_soc_set_tx_gpio()

int acpigen_soc_set_tx_gpio ( unsigned int  gpio_num)

Definition at line 283 of file acpi.c.

References acpigen_soc_set_gpio_val().

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◆ sa_write_acpi_tables()

unsigned long sa_write_acpi_tables ( const struct device *const  dev,
unsigned long  current,
struct acpi_rsdp *const  rsdp 
)

Definition at line 167 of file acpi.c.

References acpi_add_table(), acpi_align_current(), acpi_create_dmar(), BIOS_DEBUG, CAPID0_A, DEFVTBAR, p2sb_bdf::dev, DMAR_INTR_REMAP, acpi_dmar::header, acpi_table_header::length, MCHBAR32, pci_read_config32(), printk, soc_fill_dmar(), VTBAR_ENABLED, and VTD_DISABLE.

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◆ soc_fill_dmar()

static unsigned long soc_fill_dmar ( unsigned long  current)
static

Definition at line 119 of file acpi.c.

References acpi_create_dmar_drhd(), acpi_create_dmar_ds_ioapic(), acpi_create_dmar_ds_msi_hpet(), acpi_create_dmar_ds_pci(), acpi_create_dmar_rmrr(), acpi_dmar_drhd_fixup(), acpi_dmar_rmrr_fixup(), p2sb_bdf::bus, DEFVTBAR, p2sb_bdf::dev, DRHD_INCLUDE_PCI_ALL, p2sb_bdf::fn, GFXVTBAR, is_devfn_enabled(), MCHBAR32, MCHBAR64, p2sb_get_hpet_bdf(), p2sb_get_ioapic_bdf(), p2sb_hide(), SA_DEVFN_IGD, sa_get_gsm_base(), sa_get_tolud_base(), VTBAR_ENABLED, and VTBAR_MASK.

Referenced by sa_write_acpi_tables().

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◆ soc_fill_fadt()

void soc_fill_fadt ( acpi_fadt_t *  fadt)

Definition at line 99 of file acpi.c.

References acpi_gen_regaddr::access_size, ACPI_ACCESS_SIZE_DWORD_ACCESS, ACPI_ADDRESS_SPACE_IO, ACPI_BASE_ADDRESS, ACPI_FADT_8042, ACPI_FADT_LEGACY_DEVICES, ACPI_FADT_LOW_PWR_IDLE_S0, acpi_gen_regaddr::addrl, acpi_gen_regaddr::bit_width, config_of_soc, acpi_fadt::flags, acpi_fadt::iapc_boot_arch, soc_intel_apollolake_config::lpss_s0ix_enable, PM1_TMR, acpi_fadt::pm_tmr_blk, acpi_fadt::pm_tmr_len, acpi_gen_regaddr::space_id, and acpi_fadt::x_pm_tmr_blk.

◆ soc_fill_gnvs()

void soc_fill_gnvs ( struct global_nvs *  gnvs)

Definition at line 70 of file acpi.c.

References config_of_soc, global_nvs::dpte, soc_intel_apollolake_config::dptf_enable, gnvs, gpio_acpi_pin(), gpio_dwx_address(), gpio_get_pad_portid(), GPIO_PRT0_UDEF, global_nvs::prt0, soc_intel_apollolake_config::prt0_gpio, sa_fill_gnvs(), global_nvs::scdo, global_nvs::scdp, and soc_intel_apollolake_config::sdcard_cd_gpio.

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◆ soc_get_cstate_map()

const acpi_cstate_t* soc_get_cstate_map ( size_t *  entries)

Definition at line 64 of file acpi.c.

References ARRAY_SIZE, and cstate_map.

◆ soc_madt_sci_irq_polarity()

int soc_madt_sci_irq_polarity ( int  sci)

Definition at line 94 of file acpi.c.

References MP_IRQ_POLARITY_LOW.

◆ soc_power_states_generation()

void soc_power_states_generation ( int  core_id,
int  cores_per_package 
)

Definition at line 197 of file acpi.c.

References generate_p_state_entries(), and generate_t_state_entries().

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◆ soc_read_sci_irq_select()

uint32_t soc_read_sci_irq_select ( void  )

Definition at line 54 of file acpi.c.

References IRQ_REG, read32p(), and soc_read_pmc_base().

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◆ soc_write_sci_irq_select()

void soc_write_sci_irq_select ( uint32_t  scis)

Definition at line 59 of file acpi.c.

References IRQ_REG, soc_read_pmc_base(), and write32p().

Referenced by set_sci_irq().

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Variable Documentation

◆ cstate_map

const acpi_cstate_t cstate_map[]
static
Initial value:
= {
{
.ctype = 1,
.latency = 1,
.power = 1000,
.resource = CSTATE_RES(ACPI_ADDRESS_SPACE_FIXED, 0, 0, 0),
},
{
.ctype = 2,
.latency = 50,
.power = 10,
.resource = CSTATE_RES(ACPI_ADDRESS_SPACE_IO, 8, 0, 0x415),
},
{
.ctype = 3,
.latency = 150,
.power = 10,
.resource = CSTATE_RES(ACPI_ADDRESS_SPACE_IO, 8, 0, 0x419),
}
}
ACPI_ADDRESS_SPACE_IO
#define ACPI_ADDRESS_SPACE_IO
Definition: acpi.h:105
ACPI_ADDRESS_SPACE_FIXED
#define ACPI_ADDRESS_SPACE_FIXED
Definition: acpi.h:115
CSTATE_RES
#define CSTATE_RES(address_space, width, offset, address)
Definition: acpi.c:24

Definition at line 32 of file acpi.c.

Referenced by soc_get_cstate_map().