1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
/*
*
* PCI defines and function prototypes
* Copyright 1994, Drew Eckhardt
* Copyright 1997, 1998 Martin Mares <mj@atrey.karlin.mff.cuni.cz>
*
* For more information, please consult the following manuals (look at
* http://www.pcisig.com/ for how to get them):
*
* PCI BIOS Specification
* PCI Local Bus Specification
* PCI to PCI Bridge Specification
* PCI System Design Guide
*
* pci.h,v 1.2.4.2 2004/11/10 22:15:01 joel Exp
*/
#ifndef RTEMS_PCI_H
#define RTEMS_PCI_H
#ifdef __cplusplus
extern "C" {
#endif
#include <rtems/pci.h>
/*
* Return the number of PCI busses in the system
*/
extern unsigned char BusCountPCI(void);
extern int init_pci(void);
extern int dma_to_pci(unsigned int addr, unsigned int paddr, unsigned int len);
extern int dma_from_pci(unsigned int addr, unsigned int paddr, unsigned int len);
extern void pci_mem_enable(unsigned char bus, unsigned char slot, unsigned char function);
extern void pci_master_enable(unsigned char bus, unsigned char slot, unsigned char function);
/* scan for a specific device */
/* find a particular PCI device
* (currently, only bus0 is scanned for device/fun0)
*
* RETURNS: zero on success, bus/dev/fun in *pbus / *pdev / *pfun
*/
int
BSP_pciFindDevice(unsigned short vendorid, unsigned short deviceid,
int instance, int *pbus, int *pdev, int *pfun);
#ifdef __cplusplus
}
#endif
#endif /* RTEMS_PCI_H */
|
