Thomas Gleixner | d2912cb | 2019-06-04 10:11:33 +0200 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2 | /* |
Russell King | 4baa992 | 2008-08-02 10:55:55 +0100 | [diff] [blame] | 3 | * arch/arm/include/asm/mach/pci.h |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4 | * |
| 5 | * Copyright (C) 2000 Russell King |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6 | */ |
| 7 | |
Anton Vorontsov | 5288217 | 2010-04-19 13:20:49 +0100 | [diff] [blame] | 8 | #ifndef __ASM_MACH_PCI_H |
| 9 | #define __ASM_MACH_PCI_H |
| 10 | |
Rob Herring | 3c5d169 | 2012-07-09 21:59:03 -0500 | [diff] [blame] | 11 | #include <linux/ioport.h> |
Rob Herring | c279443 | 2012-02-29 18:10:58 -0600 | [diff] [blame] | 12 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 13 | struct pci_sys_data; |
Russell King | c23bfc3 | 2012-03-10 12:49:16 +0000 | [diff] [blame] | 14 | struct pci_ops; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 15 | struct pci_bus; |
Lorenzo Pieralisi | 97ad2bd | 2017-06-28 15:13:55 -0500 | [diff] [blame] | 16 | struct pci_host_bridge; |
Linus Walleij | 14d86e7 | 2013-04-11 23:32:28 +0200 | [diff] [blame] | 17 | struct device; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 18 | |
| 19 | struct hw_pci { |
Yijing Wang | 49dcc01 | 2014-10-27 15:48:40 +0800 | [diff] [blame] | 20 | struct msi_controller *msi_ctrl; |
Russell King | c23bfc3 | 2012-03-10 12:49:16 +0000 | [diff] [blame] | 21 | struct pci_ops *ops; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 22 | int nr_controllers; |
Bjorn Helgaas | 1fa0510 | 2016-06-21 10:54:29 -0500 | [diff] [blame] | 23 | unsigned int io_optional:1; |
Thierry Reding | 352af7d | 2013-02-11 08:46:10 +0100 | [diff] [blame] | 24 | void **private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 25 | int (*setup)(int nr, struct pci_sys_data *); |
Lorenzo Pieralisi | 97ad2bd | 2017-06-28 15:13:55 -0500 | [diff] [blame] | 26 | int (*scan)(int nr, struct pci_host_bridge *); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 27 | void (*preinit)(void); |
| 28 | void (*postinit)(void); |
| 29 | u8 (*swizzle)(struct pci_dev *dev, u8 *pin); |
Ralf Baechle | d534194 | 2011-06-10 15:30:21 +0100 | [diff] [blame] | 30 | int (*map_irq)(const struct pci_dev *dev, u8 slot, u8 pin); |
Thomas Petazzoni | 029baf1 | 2013-03-26 18:14:24 +0100 | [diff] [blame] | 31 | resource_size_t (*align_resource)(struct pci_dev *dev, |
| 32 | const struct resource *res, |
| 33 | resource_size_t start, |
| 34 | resource_size_t size, |
| 35 | resource_size_t align); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 36 | }; |
| 37 | |
| 38 | /* |
| 39 | * Per-controller structure |
| 40 | */ |
| 41 | struct pci_sys_data { |
| 42 | struct list_head node; |
| 43 | int busnr; /* primary bus number */ |
Greg Kroah-Hartman | e31dd6e | 2006-06-12 17:06:02 -0700 | [diff] [blame] | 44 | u64 mem_offset; /* bus->cpu memory mapping offset */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 45 | unsigned long io_offset; /* bus->cpu IO mapping offset */ |
| 46 | struct pci_bus *bus; /* PCI bus */ |
Bjorn Helgaas | 37d1590 | 2011-10-28 16:26:16 -0600 | [diff] [blame] | 47 | struct list_head resources; /* root bus resources (apertures) */ |
Rob Herring | 3c5d169 | 2012-07-09 21:59:03 -0500 | [diff] [blame] | 48 | struct resource io_res; |
| 49 | char io_res_name[12]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 50 | /* Bridge swizzling */ |
| 51 | u8 (*swizzle)(struct pci_dev *, u8 *); |
| 52 | /* IRQ mapping */ |
Ralf Baechle | d534194 | 2011-06-10 15:30:21 +0100 | [diff] [blame] | 53 | int (*map_irq)(const struct pci_dev *, u8, u8); |
Saeed Bishara | 35fe2fc | 2010-06-03 14:58:46 +0300 | [diff] [blame] | 54 | void *private_data; /* platform controller private data */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 55 | }; |
| 56 | |
| 57 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 58 | * Call this with your hw_pci struct to initialise the PCI system. |
| 59 | */ |
Linus Walleij | 14d86e7 | 2013-04-11 23:32:28 +0200 | [diff] [blame] | 60 | void pci_common_init_dev(struct device *, struct hw_pci *); |
| 61 | |
| 62 | /* |
| 63 | * Compatibility wrapper for older platforms that do not care about |
| 64 | * passing the parent device. |
| 65 | */ |
| 66 | static inline void pci_common_init(struct hw_pci *hw) |
| 67 | { |
| 68 | pci_common_init_dev(NULL, hw); |
| 69 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 70 | |
| 71 | /* |
Rob Herring | c279443 | 2012-02-29 18:10:58 -0600 | [diff] [blame] | 72 | * Setup early fixed I/O mapping. |
| 73 | */ |
| 74 | #if defined(CONFIG_PCI) |
| 75 | extern void pci_map_io_early(unsigned long pfn); |
| 76 | #else |
| 77 | static inline void pci_map_io_early(unsigned long pfn) {} |
| 78 | #endif |
| 79 | |
| 80 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 81 | * PCI controllers |
| 82 | */ |
Russell King | c23bfc3 | 2012-03-10 12:49:16 +0000 | [diff] [blame] | 83 | extern struct pci_ops iop3xx_ops; |
Lennert Buytenhek | 0cb015f | 2006-09-18 23:16:23 +0100 | [diff] [blame] | 84 | extern int iop3xx_pci_setup(int nr, struct pci_sys_data *); |
Lennert Buytenhek | 0cb015f | 2006-09-18 23:16:23 +0100 | [diff] [blame] | 85 | extern void iop3xx_pci_preinit(void); |
Dan Williams | c34002c | 2008-03-26 19:12:38 -0700 | [diff] [blame] | 86 | extern void iop3xx_pci_preinit_cond(void); |
Lennert Buytenhek | 0cb015f | 2006-09-18 23:16:23 +0100 | [diff] [blame] | 87 | |
Russell King | c23bfc3 | 2012-03-10 12:49:16 +0000 | [diff] [blame] | 88 | extern struct pci_ops dc21285_ops; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 89 | extern int dc21285_setup(int nr, struct pci_sys_data *); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 90 | extern void dc21285_preinit(void); |
| 91 | extern void dc21285_postinit(void); |
| 92 | |
Anton Vorontsov | 5288217 | 2010-04-19 13:20:49 +0100 | [diff] [blame] | 93 | #endif /* __ASM_MACH_PCI_H */ |