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Diffstat (limited to 'arch/sparc/include/asm/pbm.h')
| -rw-r--r-- | arch/sparc/include/asm/pbm.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/pbm.h b/arch/sparc/include/asm/pbm.h new file mode 100644 index 000000000..0c8626172 --- /dev/null +++ b/arch/sparc/include/asm/pbm.h @@ -0,0 +1,48 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * + * pbm.h: PCI bus module pseudo driver software state + * Adopted from sparc64 by V. Roganov and G. Raiko + * + * Original header: + * pbm.h: U2P PCI bus module pseudo driver software state. + * + * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu) + * + * To put things into perspective, consider sparc64 with a few PCI controllers. + * Each type would have an own structure, with instances related one to one. + * We have only pcic on sparc, but we want to be compatible with sparc64 pbm.h. + * All three represent different abstractions. + * pci_bus - Linux PCI subsystem view of a PCI bus (including bridged buses) + * pbm - Arch-specific view of a PCI bus (sparc or sparc64) + * pcic - Chip-specific information for PCIC. + */ + +#ifndef __SPARC_PBM_H +#define __SPARC_PBM_H + +#include <linux/pci.h> +#include <asm/oplib.h> +#include <asm/prom.h> + +struct linux_pbm_info { + int prom_node; + char prom_name[64]; + /* struct linux_prom_pci_ranges pbm_ranges[PROMREG_MAX]; */ + /* int num_pbm_ranges; */ + + /* Now things for the actual PCI bus probes. */ + unsigned int pci_first_busno; /* Can it be nonzero? */ + struct pci_bus *pci_bus; /* Was inline, MJ allocs now */ +}; + +/* PCI devices which are not bridges have this placed in their pci_dev + * sysdata member. This makes OBP aware PCI device drivers easier to + * code. + */ +struct pcidev_cookie { + struct linux_pbm_info *pbm; + struct device_node *prom_node; +}; + +#endif /* !(__SPARC_PBM_H) */ |