49 lines
1.5 KiB
C
49 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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*
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* pbm.h: PCI bus module pseudo driver software state
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* Adopted from sparc64 by V. Roganov and G. Raiko
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*
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* Original header:
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* pbm.h: U2P PCI bus module pseudo driver software state.
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*
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* Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu)
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*
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* To put things into perspective, consider sparc64 with a few PCI controllers.
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* Each type would have an own structure, with instances related one to one.
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* We have only pcic on sparc, but we want to be compatible with sparc64 pbm.h.
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* All three represent different abstractions.
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* pci_bus - Linux PCI subsystem view of a PCI bus (including bridged buses)
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* pbm - Arch-specific view of a PCI bus (sparc or sparc64)
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* pcic - Chip-specific information for PCIC.
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*/
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#ifndef __SPARC_PBM_H
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#define __SPARC_PBM_H
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#include <linux/pci.h>
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#include <asm/oplib.h>
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#include <asm/prom.h>
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struct linux_pbm_info {
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int prom_node;
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char prom_name[64];
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/* struct linux_prom_pci_ranges pbm_ranges[PROMREG_MAX]; */
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/* int num_pbm_ranges; */
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/* Now things for the actual PCI bus probes. */
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unsigned int pci_first_busno; /* Can it be nonzero? */
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struct pci_bus *pci_bus; /* Was inline, MJ allocs now */
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};
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/* PCI devices which are not bridges have this placed in their pci_dev
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* sysdata member. This makes OBP aware PCI device drivers easier to
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* code.
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*/
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struct pcidev_cookie {
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struct linux_pbm_info *pbm;
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struct device_node *prom_node;
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};
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#endif /* !(__SPARC_PBM_H) */
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