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51 lines
1.1 KiB
51 lines
1.1 KiB
// SPDX-License-Identifier: GPL-2.0 |
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#include <linux/pci.h> |
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#include <linux/init.h> |
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#include <asm/pci_x86.h> |
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#include <asm/x86_init.h> |
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#include <asm/irqdomain.h> |
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/* arch_initcall has too random ordering, so call the initializers |
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in the right sequence from here. */ |
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static __init int pci_arch_init(void) |
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{ |
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int type, pcbios = 1; |
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type = pci_direct_probe(); |
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if (!(pci_probe & PCI_PROBE_NOEARLY)) |
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pci_mmcfg_early_init(); |
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if (x86_init.pci.arch_init) |
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pcbios = x86_init.pci.arch_init(); |
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/* |
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* Must happen after x86_init.pci.arch_init(). Xen sets up the |
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* x86_init.irqs.create_pci_msi_domain there. |
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*/ |
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x86_create_pci_msi_domain(); |
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if (!pcbios) |
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return 0; |
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pci_pcbios_init(); |
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/* |
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* don't check for raw_pci_ops here because we want pcbios as last |
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* fallback, yet it's needed to run first to set pcibios_last_bus |
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* in case legacy PCI probing is used. otherwise detecting peer busses |
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* fails. |
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*/ |
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pci_direct_init(type); |
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if (!raw_pci_ops && !raw_pci_ext_ops) |
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printk(KERN_ERR |
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"PCI: Fatal: No config space access function found\n"); |
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dmi_check_pciprobe(); |
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dmi_check_skip_isa_align(); |
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return 0; |
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} |
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arch_initcall(pci_arch_init);
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