pci_routing_info.c File Reference

#include <amdblocks/amd_pci_util.h>
#include <console/console.h>
#include <device/pci_def.h>
#include <stdlib.h>
#include <types.h>

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Enumerations
enum	pcie_swizzle_pin { PIN_A , PIN_B , PIN_C , PIN_D }

Functions
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	populate_pirq_data (void)

Variables
static const uint8_t	pcie_swizzle_table [][4]

Enumeration Type Documentation

pcie_swizzle_pin

enum pcie_swizzle_pin

Enumerator
PIN_A
PIN_B
PIN_C
PIN_D

Definition at line 9 of file pci_routing_info.c.

Function Documentation

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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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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Variable Documentation

pcie_swizzle_table

const uint8_t pcie_swizzle_table[][4]

static

Initial value:

= {
        {PIN_A, PIN_B, PIN_C, PIN_D},
        {PIN_B, PIN_C, PIN_D, PIN_A},
        {PIN_C, PIN_D, PIN_A, PIN_B},
        {PIN_D, PIN_A, PIN_B, PIN_C},
}

Definition at line 16 of file pci_routing_info.c.

Referenced by pci_calculate_irq().