// SPDX-License-Identifier: GPL-2.0
|
#include <linux/pci.h>
|
#include <linux/init.h>
|
#include <asm/pci_x86.h>
|
#include <asm/x86_init.h>
|
#include <asm/irqdomain.h>
|
|
/* arch_initcall has too random ordering, so call the initializers
|
in the right sequence from here. */
|
static __init int pci_arch_init(void)
|
{
|
int type, pcbios = 1;
|
|
type = pci_direct_probe();
|
|
if (!(pci_probe & PCI_PROBE_NOEARLY))
|
pci_mmcfg_early_init();
|
|
if (x86_init.pci.arch_init)
|
pcbios = x86_init.pci.arch_init();
|
|
/*
|
* Must happen after x86_init.pci.arch_init(). Xen sets up the
|
* x86_init.irqs.create_pci_msi_domain there.
|
*/
|
x86_create_pci_msi_domain();
|
|
if (!pcbios)
|
return 0;
|
|
pci_pcbios_init();
|
|
/*
|
* 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.
|
*/
|
pci_direct_init(type);
|
|
if (!raw_pci_ops && !raw_pci_ext_ops)
|
printk(KERN_ERR
|
"PCI: Fatal: No config space access function found\n");
|
|
dmi_check_pciprobe();
|
|
dmi_check_skip_isa_align();
|
|
return 0;
|
}
|
arch_initcall(pci_arch_init);
|
