72 static char *Radeon_FindRom( rom_info *ri )  in Radeon_FindRom()  argument
83 		rom_base = ri->bios_ptr + segstart - 0xc0000;  in Radeon_FindRom()
1033 status_t Radeon_MapBIOS( pci_info *pcii, rom_info *ri )  in Radeon_MapBIOS()  argument
1048 	ri->phys_address = 0xc0000;  in Radeon_MapBIOS()
1049 	ri->size = 0x40000;  in Radeon_MapBIOS()
1051 	ri->bios_area = map_physical_memory( buffer, ri->phys_address,  in Radeon_MapBIOS()
1052 		ri->size, B_ANY_KERNEL_ADDRESS, B_READ_AREA, (void **)&ri->bios_ptr );  in Radeon_MapBIOS()
1053 	if( ri->bios_area < 0 )  in Radeon_MapBIOS()
1054 		return ri->bios_area;  in Radeon_MapBIOS()
1056 	ri->rom_ptr = Radeon_FindRom( ri );  in Radeon_MapBIOS()
1059 	if( ri->rom_ptr != NULL )  in Radeon_MapBIOS()
1060 		ri->phys_address += ri->rom_ptr - ri->bios_ptr;  in Radeon_MapBIOS()
1062 	return ri->rom_ptr != NULL ? B_OK : B_ERROR;  in Radeon_MapBIOS()
1067 void Radeon_UnmapBIOS( rom_info *ri )  in Radeon_UnmapBIOS()  argument
1069 	delete_area( ri->bios_area );  in Radeon_UnmapBIOS()
1071 	ri->bios_ptr = ri->rom_ptr = NULL;  in Radeon_UnmapBIOS()