projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1fb37a81 RJ |
1 | /* |
| 2 | * Copyright (C) 2014-2015 Broadcom Corporation | |
| 3 | * | |
| 4 | * This program is free software; you can redistribute it and/or | |
| 5 | * modify it under the terms of the GNU General Public License as | |
| 6 | * published by the Free Software Foundation version 2. | |
| 7 | * | |
| 8 | * This program is distributed "as is" WITHOUT ANY WARRANTY of any | |
| 9 | * kind, whether express or implied; without even the implied warranty | |
| 10 | * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 11 | * GNU General Public License for more details. | |
| 12 | */ | |
| 13 | ||
| 14 | #ifndef _PCIE_IPROC_H | |
| 15 | #define _PCIE_IPROC_H | |
| 16 | ||
| 943ebae7 RJ |
17 | /** |
| 18 | * iProc PCIe interface type | |
| 19 | * | |
| 20 | * PAXB is the wrapper used in root complex that can be connected to an | |
| 21 | * external endpoint device. | |
| 22 | * | |
| 23 | * PAXC is the wrapper used in root complex dedicated for internal emulated | |
| 24 | * endpoint devices. | |
| 25 | */ | |
| 26 | enum iproc_pcie_type { | |
| 27 | IPROC_PCIE_PAXB = 0, | |
| 28 | IPROC_PCIE_PAXC, | |
| 29 | }; | |
| 30 | ||
| e99a187b RJ |
31 | /** |
| 32 | * iProc PCIe outbound mapping | |
| 33 | * @set_oarr_size: indicates the OARR size bit needs to be set | |
| 34 | * @axi_offset: offset from the AXI address to the internal address used by | |
| 35 | * the iProc PCIe core | |
| 36 | * @window_size: outbound window size | |
| 37 | */ | |
| 38 | struct iproc_pcie_ob { | |
| 39 | bool set_oarr_size; | |
| 40 | resource_size_t axi_offset; | |
| 41 | resource_size_t window_size; | |
| 42 | }; | |
| 43 | ||
| 3bc2b234 RJ |
44 | struct iproc_msi; |
| 45 | ||
| 1fb37a81 RJ |
46 | /** |
| 47 | * iProc PCIe device | |
| 943ebae7 | 48 | * |
| 1fb37a81 | 49 | * @dev: pointer to device data structure |
| 943ebae7 RJ |
50 | * @type: iProc PCIe interface type |
| 51 | * @reg_offsets: register offsets | |
| 1fb37a81 | 52 | * @base: PCIe host controller I/O register base |
| 3bc2b234 | 53 | * @base_addr: PCIe host controller register base physical address |
| 8d9bfe37 | 54 | * @sysdata: Per PCI controller data (ARM-specific) |
| 1fb37a81 RJ |
55 | * @root_bus: pointer to root bus |
| 56 | * @phy: optional PHY device that controls the Serdes | |
| 5d92f41c | 57 | * @map_irq: function callback to map interrupts |
| 3bc2b234 | 58 | * @need_ob_cfg: indicates SW needs to configure the outbound mapping window |
| e99a187b | 59 | * @ob: outbound mapping parameters |
| 3bc2b234 | 60 | * @msi: MSI data |
| 1fb37a81 RJ |
61 | */ |
| 62 | struct iproc_pcie { | |
| 63 | struct device *dev; | |
| 943ebae7 RJ |
64 | enum iproc_pcie_type type; |
| 65 | const u16 *reg_offsets; | |
| 1fb37a81 | 66 | void __iomem *base; |
| 3bc2b234 | 67 | phys_addr_t base_addr; |
| 8d9bfe37 | 68 | #ifdef CONFIG_ARM |
| 1fb37a81 | 69 | struct pci_sys_data sysdata; |
| 8d9bfe37 | 70 | #endif |
| 1fb37a81 RJ |
71 | struct pci_bus *root_bus; |
| 72 | struct phy *phy; | |
| c1e02cea | 73 | int (*map_irq)(const struct pci_dev *, u8, u8); |
| e99a187b RJ |
74 | bool need_ob_cfg; |
| 75 | struct iproc_pcie_ob ob; | |
| 3bc2b234 | 76 | struct iproc_msi *msi; |
| 1fb37a81 RJ |
77 | }; |
| 78 | ||
| 18c4342a | 79 | int iproc_pcie_setup(struct iproc_pcie *pcie, struct list_head *res); |
| 1fb37a81 RJ |
80 | int iproc_pcie_remove(struct iproc_pcie *pcie); |
| 81 | ||
| 3bc2b234 RJ |
82 | #ifdef CONFIG_PCIE_IPROC_MSI |
| 83 | int iproc_msi_init(struct iproc_pcie *pcie, struct device_node *node); | |
| 84 | void iproc_msi_exit(struct iproc_pcie *pcie); | |
| 85 | #else | |
| 86 | static inline int iproc_msi_init(struct iproc_pcie *pcie, | |
| 87 | struct device_node *node) | |
| 88 | { | |
| 89 | return -ENODEV; | |
| 90 | } | |
| 91 | static inline void iproc_msi_exit(struct iproc_pcie *pcie) | |
| 92 | { | |
| 93 | } | |
| 94 | #endif | |
| 95 | ||
| 1fb37a81 | 96 | #endif /* _PCIE_IPROC_H */ |