Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
Russell King | 4baa992 | 2008-08-02 10:55:55 +0100 | [diff] [blame] | 2 | * arch/arm/include/asm/mach/pci.h |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3 | * |
| 4 | * Copyright (C) 2000 Russell King |
| 5 | * |
| 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. |
| 9 | */ |
| 10 | |
Anton Vorontsov | 5288217 | 2010-04-19 13:20:49 +0100 | [diff] [blame] | 11 | #ifndef __ASM_MACH_PCI_H |
| 12 | #define __ASM_MACH_PCI_H |
| 13 | |
Rob Herring | 3c5d169 | 2012-07-09 21:59:03 -0500 | [diff] [blame] | 14 | #include <linux/ioport.h> |
Rob Herring | c279443 | 2012-02-29 18:10:58 -0600 | [diff] [blame] | 15 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 16 | struct pci_sys_data; |
Russell King | c23bfc3 | 2012-03-10 12:49:16 +0000 | [diff] [blame] | 17 | struct pci_ops; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 18 | struct pci_bus; |
Linus Walleij | 14d86e7 | 2013-04-11 23:32:28 +0200 | [diff] [blame] | 19 | struct device; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 20 | |
| 21 | struct hw_pci { |
Anton Vorontsov | 5288217 | 2010-04-19 13:20:49 +0100 | [diff] [blame] | 22 | #ifdef CONFIG_PCI_DOMAINS |
| 23 | int domain; |
| 24 | #endif |
Yijing Wang | 49dcc01 | 2014-10-27 15:48:40 +0800 | [diff] [blame] | 25 | #ifdef CONFIG_PCI_MSI |
| 26 | struct msi_controller *msi_ctrl; |
| 27 | #endif |
Russell King | c23bfc3 | 2012-03-10 12:49:16 +0000 | [diff] [blame] | 28 | struct pci_ops *ops; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 29 | int nr_controllers; |
Thierry Reding | 352af7d | 2013-02-11 08:46:10 +0100 | [diff] [blame] | 30 | void **private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 31 | int (*setup)(int nr, struct pci_sys_data *); |
| 32 | struct pci_bus *(*scan)(int nr, struct pci_sys_data *); |
| 33 | void (*preinit)(void); |
| 34 | void (*postinit)(void); |
| 35 | u8 (*swizzle)(struct pci_dev *dev, u8 *pin); |
Ralf Baechle | d534194 | 2011-06-10 15:30:21 +0100 | [diff] [blame] | 36 | int (*map_irq)(const struct pci_dev *dev, u8 slot, u8 pin); |
Thomas Petazzoni | 029baf1 | 2013-03-26 18:14:24 +0100 | [diff] [blame] | 37 | resource_size_t (*align_resource)(struct pci_dev *dev, |
| 38 | const struct resource *res, |
| 39 | resource_size_t start, |
| 40 | resource_size_t size, |
| 41 | resource_size_t align); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 42 | }; |
| 43 | |
| 44 | /* |
| 45 | * Per-controller structure |
| 46 | */ |
| 47 | struct pci_sys_data { |
Anton Vorontsov | 5288217 | 2010-04-19 13:20:49 +0100 | [diff] [blame] | 48 | #ifdef CONFIG_PCI_DOMAINS |
| 49 | int domain; |
| 50 | #endif |
Yijing Wang | 49dcc01 | 2014-10-27 15:48:40 +0800 | [diff] [blame] | 51 | #ifdef CONFIG_PCI_MSI |
| 52 | struct msi_controller *msi_ctrl; |
| 53 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 54 | struct list_head node; |
| 55 | int busnr; /* primary bus number */ |
Greg Kroah-Hartman | e31dd6e | 2006-06-12 17:06:02 -0700 | [diff] [blame] | 56 | u64 mem_offset; /* bus->cpu memory mapping offset */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 57 | unsigned long io_offset; /* bus->cpu IO mapping offset */ |
| 58 | struct pci_bus *bus; /* PCI bus */ |
Bjorn Helgaas | 37d1590 | 2011-10-28 16:26:16 -0600 | [diff] [blame] | 59 | struct list_head resources; /* root bus resources (apertures) */ |
Rob Herring | 3c5d169 | 2012-07-09 21:59:03 -0500 | [diff] [blame] | 60 | struct resource io_res; |
| 61 | char io_res_name[12]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 62 | /* Bridge swizzling */ |
| 63 | u8 (*swizzle)(struct pci_dev *, u8 *); |
| 64 | /* IRQ mapping */ |
Ralf Baechle | d534194 | 2011-06-10 15:30:21 +0100 | [diff] [blame] | 65 | int (*map_irq)(const struct pci_dev *, u8, u8); |
Thomas Petazzoni | 029baf1 | 2013-03-26 18:14:24 +0100 | [diff] [blame] | 66 | /* Resource alignement requirements */ |
| 67 | resource_size_t (*align_resource)(struct pci_dev *dev, |
| 68 | const struct resource *res, |
| 69 | resource_size_t start, |
| 70 | resource_size_t size, |
| 71 | resource_size_t align); |
Saeed Bishara | 35fe2fc | 2010-06-03 14:58:46 +0300 | [diff] [blame] | 72 | void *private_data; /* platform controller private data */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 73 | }; |
| 74 | |
| 75 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 76 | * Call this with your hw_pci struct to initialise the PCI system. |
| 77 | */ |
Linus Walleij | 14d86e7 | 2013-04-11 23:32:28 +0200 | [diff] [blame] | 78 | void pci_common_init_dev(struct device *, struct hw_pci *); |
| 79 | |
| 80 | /* |
| 81 | * Compatibility wrapper for older platforms that do not care about |
| 82 | * passing the parent device. |
| 83 | */ |
| 84 | static inline void pci_common_init(struct hw_pci *hw) |
| 85 | { |
| 86 | pci_common_init_dev(NULL, hw); |
| 87 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 88 | |
| 89 | /* |
Rob Herring | c279443 | 2012-02-29 18:10:58 -0600 | [diff] [blame] | 90 | * Setup early fixed I/O mapping. |
| 91 | */ |
| 92 | #if defined(CONFIG_PCI) |
| 93 | extern void pci_map_io_early(unsigned long pfn); |
| 94 | #else |
| 95 | static inline void pci_map_io_early(unsigned long pfn) {} |
| 96 | #endif |
| 97 | |
| 98 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 99 | * PCI controllers |
| 100 | */ |
Russell King | c23bfc3 | 2012-03-10 12:49:16 +0000 | [diff] [blame] | 101 | extern struct pci_ops iop3xx_ops; |
Lennert Buytenhek | 0cb015f | 2006-09-18 23:16:23 +0100 | [diff] [blame] | 102 | extern int iop3xx_pci_setup(int nr, struct pci_sys_data *); |
Lennert Buytenhek | 0cb015f | 2006-09-18 23:16:23 +0100 | [diff] [blame] | 103 | extern void iop3xx_pci_preinit(void); |
Dan Williams | c34002c | 2008-03-26 19:12:38 -0700 | [diff] [blame] | 104 | extern void iop3xx_pci_preinit_cond(void); |
Lennert Buytenhek | 0cb015f | 2006-09-18 23:16:23 +0100 | [diff] [blame] | 105 | |
Russell King | c23bfc3 | 2012-03-10 12:49:16 +0000 | [diff] [blame] | 106 | extern struct pci_ops dc21285_ops; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 107 | extern int dc21285_setup(int nr, struct pci_sys_data *); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 108 | extern void dc21285_preinit(void); |
| 109 | extern void dc21285_postinit(void); |
| 110 | |
Anton Vorontsov | 5288217 | 2010-04-19 13:20:49 +0100 | [diff] [blame] | 111 | #endif /* __ASM_MACH_PCI_H */ |