diff options
Diffstat (limited to 'src/arch/x86/interface/pcbios/pcibios.c')
| -rw-r--r-- | src/arch/x86/interface/pcbios/pcibios.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/src/arch/x86/interface/pcbios/pcibios.c b/src/arch/x86/interface/pcbios/pcibios.c index bf812f77f..cf818630a 100644 --- a/src/arch/x86/interface/pcbios/pcibios.c +++ b/src/arch/x86/interface/pcbios/pcibios.c @@ -34,11 +34,13 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); */ /** - * Determine number of PCI buses within system + * Find next PCI bus:dev.fn address range in system * - * @ret num_bus Number of buses + * @v busdevfn Starting PCI bus:dev.fn address + * @v range PCI bus:dev.fn address range to fill in */ -static int pcibios_num_bus ( void ) { +static void pcibios_discover ( uint32_t busdevfn __unused, + struct pci_range *range ) { int discard_a, discard_D; uint8_t max_bus; @@ -57,7 +59,9 @@ static int pcibios_num_bus ( void ) { "D" ( 0 ) : "ebx", "edx" ); - return ( max_bus + 1 ); + /* Populate range */ + range->start = PCI_BUSDEVFN ( 0, 0, 0, 0 ); + range->count = PCI_BUSDEVFN ( 0, ( max_bus + 1 ), 0, 0 ); } /** @@ -114,7 +118,7 @@ int pcibios_write ( struct pci_device *pci, uint32_t command, uint32_t value ){ return ( status >> 8 ); } -PROVIDE_PCIAPI ( pcbios, pci_num_bus, pcibios_num_bus ); +PROVIDE_PCIAPI ( pcbios, pci_discover, pcibios_discover ); PROVIDE_PCIAPI_INLINE ( pcbios, pci_read_config_byte ); PROVIDE_PCIAPI_INLINE ( pcbios, pci_read_config_word ); PROVIDE_PCIAPI_INLINE ( pcbios, pci_read_config_dword ); |