forked from Imagelibrary/rtems
48 lines
1.0 KiB
C
48 lines
1.0 KiB
C
/* PCI Access Library
|
|
*
|
|
* COPYRIGHT (c) 2010 Cobham Gaisler AB.
|
|
*
|
|
* The license and distribution terms for this file may be
|
|
* found in the file LICENSE in this distribution or at
|
|
* http://www.rtems.org/license/LICENSE.
|
|
*/
|
|
|
|
#include <pci.h>
|
|
#include <pci/access.h>
|
|
|
|
/* Read a 8-bit register over PCI I/O Space */
|
|
uint8_t pci_io_r8(uint32_t adr)
|
|
{
|
|
return pci_access_ops.io.read8((uint8_t *)adr);
|
|
}
|
|
|
|
/* Read a 16-bit I/O Register */
|
|
uint16_t pci_io_r16(uint32_t adr)
|
|
{
|
|
return pci_access_ops.io.read16((uint16_t *)adr);
|
|
}
|
|
|
|
/* Read a 32-bit I/O Register */
|
|
uint32_t pci_io_r32(uint32_t adr)
|
|
{
|
|
return pci_access_ops.io.read32((uint32_t *)adr);
|
|
}
|
|
|
|
/* Write a 8-bit I/O Register */
|
|
void pci_io_w8(uint32_t adr, uint8_t data)
|
|
{
|
|
pci_access_ops.io.write8((uint8_t *)adr, data);
|
|
}
|
|
|
|
/* Write a 16-bit I/O Register */
|
|
void pci_io_w16(uint32_t adr, uint16_t data)
|
|
{
|
|
pci_access_ops.io.write16((uint16_t *)adr, data);
|
|
}
|
|
|
|
/* Write a 32-bit I/O Register */
|
|
void pci_io_w32(uint32_t adr, uint32_t data)
|
|
{
|
|
pci_access_ops.io.write32((uint32_t *)adr, data);
|
|
}
|