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48 lines
1.5 KiB
48 lines
1.5 KiB
/* 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 ([email protected]) |
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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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