Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) #include <linux/pci.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) #include <asm/pci_x86.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) #include <asm/x86_init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) #include <asm/irqdomain.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) /* arch_initcall has too random ordering, so call the initializers
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9)    in the right sequence from here. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) static __init int pci_arch_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 	int type, pcbios = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 	type = pci_direct_probe();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 	if (!(pci_probe & PCI_PROBE_NOEARLY))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 		pci_mmcfg_early_init();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	if (x86_init.pci.arch_init)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 		pcbios = x86_init.pci.arch_init();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 	 * Must happen after x86_init.pci.arch_init(). Xen sets up the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	 * x86_init.irqs.create_pci_msi_domain there.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	x86_create_pci_msi_domain();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	if (!pcbios)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	pci_pcbios_init();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	 * don't check for raw_pci_ops here because we want pcbios as last
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 	 * fallback, yet it's needed to run first to set pcibios_last_bus
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 	 * in case legacy PCI probing is used. otherwise detecting peer busses
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 	 * fails.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 	pci_direct_init(type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 	if (!raw_pci_ops && !raw_pci_ext_ops)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 		printk(KERN_ERR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 		"PCI: Fatal: No config space access function found\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 	dmi_check_pciprobe();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 	dmi_check_skip_isa_align();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) arch_initcall(pci_arch_init);