pci.c File Reference

#include <rtems.h>
#include <bsp.h>
#include <bsp/pci.h>
#include <bsp/irq.h>
#include <rtems/bspIo.h>
#include <rtems/endian.h>

Macros
#define	PCI_CONFIG_ADDR   0xcf8
#define	PCI_CONFIG_DATA   0xcfc
#define	pci   BSP_pci_configuration
#define	PCI_CONFIG_ADDR_VAL(bus, slot, funcion, offset)    (0x80000000|((bus)<<16)|(PCI_DEVFN((slot),(function))<<8)|(((offset)&~3)))
#define	JPRINTK(fmt, ...)
#define	PCI_CONFIG_WR_ADDR(addr, val)   out_le32((uint32_t)(addr), (val))
#define	PCI_CONFIG_SET_ADDR(addr, bus, slot, function, offset)
#define	PRINT_MSG()

Functions
void	print_bars (unsigned char slot, unsigned char func)
int	direct_pci_read_config_byte (unsigned char bus, unsigned char slot, unsigned char function, unsigned char offset, uint8_t *val)
int	direct_pci_read_config_word (unsigned char bus, unsigned char slot, unsigned char function, unsigned char offset, uint16_t *val)
int	direct_pci_read_config_dword (unsigned char bus, unsigned char slot, unsigned char function, unsigned char offset, uint32_t *val)
int	direct_pci_write_config_byte (unsigned char bus, unsigned char slot, unsigned char function, unsigned char offset, uint8_t val)
int	direct_pci_write_config_word (unsigned char bus, unsigned char slot, unsigned char function, unsigned char offset, uint16_t val)
int	direct_pci_write_config_dword (unsigned char bus, unsigned char slot, unsigned char function, unsigned char offset, uint32_t val)
int	test_intname (const struct _int_map *row, int pbus, int pslot, int pfun, int int_pin, int int_name)
void	pci_memory_enable (unsigned char bus, unsigned char slot, unsigned char function)
void	pci_io_enable (unsigned char bus, unsigned char slot, unsigned char function)
void	pci_busmaster_enable (unsigned char bus, unsigned char slot, unsigned char function)
void	pci_out_32 (uint32_t base, uint32_t addr, uint32_t val)
void	pci_out_le32 (uint32_t base, uint32_t addr, uint32_t val)
uint8_t	pci_in_8 (uint32_t base, uint32_t addr)
int16_t	pci_in_le16 (uint32_t base, uint32_t addr)
int16_t	pci_in_16 (uint32_t base, uint32_t addr)
uint32_t	pci_in_32 (uint32_t base, uint32_t addr)
uint32_t	pci_in_le32 (uint32_t base, uint32_t addr)
void	pci_out_8 (uint32_t base, uint32_t addr, uint8_t val)
void	pci_out_le16 (uint32_t base, uint32_t addr, uint16_t val)
void	pci_out_16 (uint32_t base, uint32_t addr, uint16_t val)
int	indirect_pci_read_config_byte (unsigned char bus, unsigned char slot, unsigned char function, unsigned char offset, uint8_t *val)
int	indirect_pci_read_config_word (unsigned char bus, unsigned char slot, unsigned char function, unsigned char offset, uint16_t *val)
int	indirect_pci_read_config_dword (unsigned char bus, unsigned char slot, unsigned char function, unsigned char offset, uint32_t *val)
int	indirect_pci_write_config_byte (unsigned char bus, unsigned char slot, unsigned char function, unsigned char offset, uint8_t val)
int	indirect_pci_write_config_word (unsigned char bus, unsigned char slot, unsigned char function, unsigned char offset, uint16_t val)
int	indirect_pci_write_config_dword (unsigned char bus, unsigned char slot, unsigned char function, unsigned char offset, uint32_t val)
int	FindPCIbridge (int mybus, struct pcibridge *pb)
void	FixupPCI (const struct _int_map *bspmap, int(*swizzler)(int, int))
int	pci_initialize (void)
unsigned char	pci_bus_count (void)

Variables
unsigned char	ucMaxPCIBus
const pci_config_access_functions	pci_indirect_functions
rtems_pci_config_t	BSP_pci_configuration
const pci_config_access_functions	pci_direct_functions

Detailed Description

This file was based on the powerpc.

Macro Definition Documentation

PCI_CONFIG_SET_ADDR

#define PCI_CONFIG_SET_ADDR	(		addr,
			bus,
			slot,
			function,
			offset
	)

Value:

  PCI_CONFIG_WR_ADDR( \
    (addr), \
    PCI_CONFIG_ADDR_VAL((bus), (slot), (function), (offset))\
  )

PRINT_MSG

#define PRINT_MSG

(

)

Value:

  printk("pci : Device %d:0x%02x:%d routed to interrupt_line %d\n", \
    pbus, pslot, pfun, int_name )

Variable Documentation

BSP_pci_configuration

rtems_pci_config_t BSP_pci_configuration

Initial value:

= {
  (volatile unsigned char*)PCI_CONFIG_ADDR,
  (volatile unsigned char*)PCI_CONFIG_DATA,
  &pci_indirect_functions
}

pci_direct_functions

const pci_config_access_functions pci_direct_functions

Initial value:

= {
  direct_pci_read_config_byte,
  direct_pci_read_config_word,
  direct_pci_read_config_dword,
  direct_pci_write_config_byte,
  direct_pci_write_config_word,
  direct_pci_write_config_dword
}

pci_indirect_functions

const pci_config_access_functions pci_indirect_functions

Initial value:

= {
  indirect_pci_read_config_byte,
  indirect_pci_read_config_word,
  indirect_pci_read_config_dword,
  indirect_pci_write_config_byte,
  indirect_pci_write_config_word,
  indirect_pci_write_config_dword
}