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git.proxmox.com Git - mirror_ubuntu-eoan-kernel.git/blob - arch/arm/include/asm/mach/pci.h
2 * arch/arm/include/asm/mach/pci.h
4 * Copyright (C) 2000 Russell King
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
11 #ifndef __ASM_MACH_PCI_H
12 #define __ASM_MACH_PCI_H
14 #include <linux/ioport.h>
22 struct msi_controller
*msi_ctrl
;
26 int (*setup
)(int nr
, struct pci_sys_data
*);
27 struct pci_bus
*(*scan
)(int nr
, struct pci_sys_data
*);
28 void (*preinit
)(void);
29 void (*postinit
)(void);
30 u8 (*swizzle
)(struct pci_dev
*dev
, u8
*pin
);
31 int (*map_irq
)(const struct pci_dev
*dev
, u8 slot
, u8 pin
);
32 resource_size_t (*align_resource
)(struct pci_dev
*dev
,
33 const struct resource
*res
,
34 resource_size_t start
,
36 resource_size_t align
);
40 * Per-controller structure
43 struct list_head node
;
44 int busnr
; /* primary bus number */
45 u64 mem_offset
; /* bus->cpu memory mapping offset */
46 unsigned long io_offset
; /* bus->cpu IO mapping offset */
47 struct pci_bus
*bus
; /* PCI bus */
48 struct list_head resources
; /* root bus resources (apertures) */
49 struct resource io_res
;
51 /* Bridge swizzling */
52 u8 (*swizzle
)(struct pci_dev
*, u8
*);
54 int (*map_irq
)(const struct pci_dev
*, u8
, u8
);
55 /* Resource alignement requirements */
56 resource_size_t (*align_resource
)(struct pci_dev
*dev
,
57 const struct resource
*res
,
58 resource_size_t start
,
60 resource_size_t align
);
61 void *private_data
; /* platform controller private data */
65 * Call this with your hw_pci struct to initialise the PCI system.
67 void pci_common_init_dev(struct device
*, struct hw_pci
*);
70 * Compatibility wrapper for older platforms that do not care about
71 * passing the parent device.
73 static inline void pci_common_init(struct hw_pci
*hw
)
75 pci_common_init_dev(NULL
, hw
);
79 * Setup early fixed I/O mapping.
81 #if defined(CONFIG_PCI)
82 extern void pci_map_io_early(unsigned long pfn
);
84 static inline void pci_map_io_early(unsigned long pfn
) {}
90 extern struct pci_ops iop3xx_ops
;
91 extern int iop3xx_pci_setup(int nr
, struct pci_sys_data
*);
92 extern void iop3xx_pci_preinit(void);
93 extern void iop3xx_pci_preinit_cond(void);
95 extern struct pci_ops dc21285_ops
;
96 extern int dc21285_setup(int nr
, struct pci_sys_data
*);
97 extern void dc21285_preinit(void);
98 extern void dc21285_postinit(void);
100 #endif /* __ASM_MACH_PCI_H */