Blame view

kernel/linux-imx6_3.14.28/arch/x86/pci/init.c 1005 Bytes
6b13f685e   김민수   BSP 최초 추가
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
  #include <linux/pci.h>
  #include <linux/init.h>
  #include <asm/pci_x86.h>
  #include <asm/x86_init.h>
  
  /* arch_initcall has too random ordering, so call the initializers
     in the right sequence from here. */
  static __init int pci_arch_init(void)
  {
  #ifdef CONFIG_PCI_DIRECT
  	int type = 0;
  
  	type = pci_direct_probe();
  #endif
  
  	if (!(pci_probe & PCI_PROBE_NOEARLY))
  		pci_mmcfg_early_init();
  
  	if (x86_init.pci.arch_init && !x86_init.pci.arch_init())
  		return 0;
  
  #ifdef CONFIG_PCI_BIOS
  	pci_pcbios_init();
  #endif
  	/*
  	 * don't check for raw_pci_ops here because we want pcbios as last
  	 * fallback, yet it's needed to run first to set pcibios_last_bus
  	 * in case legacy PCI probing is used. otherwise detecting peer busses
  	 * fails.
  	 */
  #ifdef CONFIG_PCI_DIRECT
  	pci_direct_init(type);
  #endif
  	if (!raw_pci_ops && !raw_pci_ext_ops)
  		printk(KERN_ERR
  		"PCI: Fatal: No config space access function found
  ");
  
  	dmi_check_pciprobe();
  
  	dmi_check_skip_isa_align();
  
  	return 0;
  }
  arch_initcall(pci_arch_init);