xref: /openbmc/linux/arch/x86/pci/init.c (revision 22246614)
1 #include <linux/pci.h>
2 #include <linux/init.h>
3 #include "pci.h"
4 
5 /* arch_initcall has too random ordering, so call the initializers
6    in the right sequence from here. */
7 static __init int pci_access_init(void)
8 {
9 #ifdef CONFIG_PCI_DIRECT
10 	int type = 0;
11 
12 	type = pci_direct_probe();
13 #endif
14 
15 	pci_mmcfg_early_init();
16 
17 #ifdef CONFIG_PCI_OLPC
18 	pci_olpc_init();
19 #endif
20 #ifdef CONFIG_PCI_BIOS
21 	pci_pcbios_init();
22 #endif
23 	/*
24 	 * don't check for raw_pci_ops here because we want pcbios as last
25 	 * fallback, yet it's needed to run first to set pcibios_last_bus
26 	 * in case legacy PCI probing is used. otherwise detecting peer busses
27 	 * fails.
28 	 */
29 #ifdef CONFIG_PCI_DIRECT
30 	pci_direct_init(type);
31 #endif
32 	if (!raw_pci_ops && !raw_pci_ext_ops)
33 		printk(KERN_ERR
34 		"PCI: Fatal: No config space access function found\n");
35 
36 	dmi_check_pciprobe();
37 
38 	dmi_check_skip_isa_align();
39 
40 	return 0;
41 }
42 arch_initcall(pci_access_init);
43