amd_pci_util.h File Reference

#include <types.h>
#include <soc/amd_pci_int_defs.h>
#include <device/device.h>

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Data Structures
struct	pirq_struct
struct	irq_idx_name
struct	pci_routing_info
	Each PCI bridge has its INTx lines routed to one of the GNB IO-APIC PCI groups. More...

Macros
#define	PCI_INTR_INDEX   0xc00
#define	PCI_INTR_DATA   0xc01

Enumerations
enum	pci_routing_swizzle { PCI_SWIZZLE_ABCD = 0 , PCI_SWIZZLE_BCDA , PCI_SWIZZLE_CDAB , PCI_SWIZZLE_DABC }

Functions
u8	read_pci_int_idx (u8 index, int mode)
void	write_pci_int_idx (u8 index, int mode, u8 data)
void	write_pci_cfg_irqs (void)
void	write_pci_int_table (void)
const struct irq_idx_name *	sb_get_apic_reg_association (size_t *size)
void	populate_pirq_data (void)
const struct pci_routing_info *	get_pci_routing_table (size_t *entries)
const struct pci_routing_info *	get_pci_routing_info (unsigned int devfn)
unsigned int	pci_calculate_irq (const struct pci_routing_info *routing_info, unsigned int pin)
void	acpigen_write_pci_GNB_PRT (const struct device *dev)
void	acpigen_write_pci_FCH_PRT (const struct device *dev)

Variables
const struct pirq_struct *	pirq_data_ptr
u32	pirq_data_size
const u8 *	intr_data_ptr
const u8 *	picr_data_ptr
struct pci_routing_info	__packed

Macro Definition Documentation

PCI_INTR_DATA

#define PCI_INTR_DATA   0xc01

Definition at line 12 of file amd_pci_util.h.

PCI_INTR_INDEX

#define PCI_INTR_INDEX   0xc00

Definition at line 11 of file amd_pci_util.h.

Enumeration Type Documentation

pci_routing_swizzle

enum pci_routing_swizzle

Enumerator
PCI_SWIZZLE_ABCD
PCI_SWIZZLE_BCDA
PCI_SWIZZLE_CDAB
PCI_SWIZZLE_DABC

Definition at line 35 of file amd_pci_util.h.

Function Documentation

acpigen_write_pci_FCH_PRT()

void acpigen_write_pci_FCH_PRT

(

const struct device *

dev

)

Definition at line 195 of file acpi_prt.c.

References acpigen_write_name(), acpigen_write_PRT_PIC(), pci_path::devfn, get_pci_routing_info(), device::path, and device_path::pci.

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acpigen_write_pci_GNB_PRT()

void acpigen_write_pci_GNB_PRT

(

const struct device *

dev

)

Definition at line 128 of file acpi_prt.c.

References acpigen_emit_byte(), acpigen_emit_namestring(), acpigen_pop_len(), acpigen_write_else(), acpigen_write_if(), acpigen_write_method(), acpigen_write_PRT_GSI(), acpigen_write_PRT_PIC(), pci_path::devfn, get_pci_routing_info(), device::path, device_path::pci, and RETURN_OP.

Referenced by acpi_device_write_gpp_pci_dev().

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get_pci_routing_info()

const struct pci_routing_info* get_pci_routing_info

(

unsigned int

devfn

)

Definition at line 23 of file pci_routing_info.c.

References BIOS_ERR, pci_routing_info::devfn, get_pci_routing_table(), NULL, PCI_FUNC, PCI_SLOT, and printk.

Referenced by acpigen_write_pci_FCH_PRT(), and acpigen_write_pci_GNB_PRT().

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get_pci_routing_table()

const struct pci_routing_info* get_pci_routing_table

(

size_t *

entries

)

Definition at line 10 of file pci_routing_info.c.

References ARRAY_SIZE, BIOS_DEBUG, BIOS_ERR, pci_routing_info::devfn, fsp_find_extension_hob_by_guid(), pci_routing_info::group, pci_routing_info::irq, NULL, PCI_FUNC, pci_routing_table, PCI_SLOT, printk, and pci_routing_info::swizzle.

Referenced by get_pci_routing_info(), and populate_pirq_data().

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pci_calculate_irq()

unsigned int pci_calculate_irq	(	const struct pci_routing_info *	routing_info,
		unsigned int	pin
	)

Definition at line 43 of file pci_routing_info.c.

References ARRAY_SIZE, die(), pci_routing_info::group, pci_routing_info::irq, pcie_swizzle_table, and pci_routing_info::swizzle.

Referenced by acpigen_write_PRT_GSI(), acpigen_write_PRT_PIC(), and populate_pirq_data().

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populate_pirq_data()

void populate_pirq_data

(

void

)

Definition at line 60 of file pci_routing_info.c.

References BIOS_ERR, calloc(), pci_routing_info::devfn, get_pci_routing_table(), pci_calculate_irq(), pirq_data_ptr, pirq_data_size, and printk.

Referenced by set_pci_irqs().

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read_pci_int_idx()

u8 read_pci_int_idx	(	u8	index,
		int	mode
	)

Definition at line 20 of file amd_pci_util.c.

References inb(), outb(), PCI_INTR_DATA, and PCI_INTR_INDEX.

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sb_get_apic_reg_association()

const struct irq_idx_name* sb_get_apic_reg_association

(

size_t *

size

)

Definition at line 75 of file fch.c.

References ARRAY_SIZE, and irq_association.

Referenced by write_pci_cfg_irqs(), and write_pci_int_table().

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write_pci_cfg_irqs()

void write_pci_cfg_irqs

(

void

)

Definition at line 84 of file amd_pci_util.c.

References all_devices, BIOS_DEBUG, BIOS_SPEW, BIOS_WARNING, pci_path::devfn, get_pci_irq_pins(), i8259_configure_irq_trigger(), irq_idx_name::index, IRQ_LEVEL_TRIGGERED, name, device::next, NULL, device::path, device_path::pci, PCI_INTERRUPT_LINE, PCI_INTERRUPT_PIN, pci_read_config8(), pci_write_config8(), pirq_struct::PIN, pin_to_str(), pirq_data_ptr, pirq_data_size, PIRQ_NC, printk, read_pci_int_idx(), and sb_get_apic_reg_association().

Referenced by set_pci_irqs().

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write_pci_int_idx()

void write_pci_int_idx	(	u8	index,
		int	mode,
		u8	data
	)

Definition at line 30 of file amd_pci_util.c.

References outb(), PCI_INTR_DATA, and PCI_INTR_INDEX.

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write_pci_int_table()

void write_pci_int_table

(

void

)

Definition at line 41 of file amd_pci_util.c.

References BIOS_DEBUG, BIOS_ERR, irq_idx_name::index, intr_data_ptr, name, NULL, picr_data_ptr, printk, read_pci_int_idx(), sb_get_apic_reg_association(), and write_pci_int_idx().

Referenced by set_pci_irqs().

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Variable Documentation

__packed

struct pci_routing_info __packed

intr_data_ptr

const u8* intr_data_ptr

extern

Definition at line 13 of file amd_pci_util.c.

Referenced by pirq_setup(), and smp_write_config_table().

picr_data_ptr

const u8* picr_data_ptr

extern

Definition at line 14 of file amd_pci_util.c.

Referenced by pirq_setup().

pirq_data_ptr

const struct pirq_struct* pirq_data_ptr

extern

Definition at line 11 of file amd_pci_util.c.

Referenced by pirq_setup(), and populate_pirq_data().

pirq_data_size

u32 pirq_data_size

extern

Definition at line 12 of file amd_pci_util.c.

Referenced by pirq_setup(), and populate_pirq_data().