mirror of https://github.com/ipxe/ipxe.git
36 lines
1.2 KiB
C
36 lines
1.2 KiB
C
#ifndef _PCI_IO_H
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#define _PCI_IO_H
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#include <pcibios.h>
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#include <pcidirect.h>
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/** @file
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*
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* i386 PCI configuration space access
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*
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* We have two methods of PCI configuration space access: the PCI BIOS
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* and direct Type 1 accesses. Selecting between them is via the
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* compile-time switch -DCONFIG_PCI_DIRECT.
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*
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*/
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#if CONFIG_PCI_DIRECT
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#define pci_max_bus pcidirect_max_bus
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#define pci_read_config_byte pcidirect_read_config_byte
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#define pci_read_config_word pcidirect_read_config_word
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#define pci_read_config_dword pcidirect_read_config_dword
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#define pci_write_config_byte pcidirect_write_config_byte
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#define pci_write_config_word pcidirect_write_config_word
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#define pci_write_config_dword pcidirect_write_config_dword
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#else /* CONFIG_PCI_DIRECT */
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#define pci_max_bus pcibios_max_bus
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#define pci_read_config_byte pcibios_read_config_byte
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#define pci_read_config_word pcibios_read_config_word
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#define pci_read_config_dword pcibios_read_config_dword
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#define pci_write_config_byte pcibios_write_config_byte
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#define pci_write_config_word pcibios_write_config_word
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#define pci_write_config_dword pcibios_write_config_dword
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#endif /* CONFIG_PCI_DIRECT */
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#endif /* _PCI_IO_H */
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