]>
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 { | |
404349c5 RJ |
27 | IPROC_PCIE_PAXB_BCMA = 0, |
28 | IPROC_PCIE_PAXB, | |
c7c44527 | 29 | IPROC_PCIE_PAXB_V2, |
943ebae7 | 30 | IPROC_PCIE_PAXC, |
787b3c4f | 31 | IPROC_PCIE_PAXC_V2, |
943ebae7 RJ |
32 | }; |
33 | ||
e99a187b RJ |
34 | /** |
35 | * iProc PCIe outbound mapping | |
e99a187b RJ |
36 | * @axi_offset: offset from the AXI address to the internal address used by |
37 | * the iProc PCIe core | |
4213e15c | 38 | * @nr_windows: total number of supported outbound mapping windows |
e99a187b RJ |
39 | */ |
40 | struct iproc_pcie_ob { | |
e99a187b | 41 | resource_size_t axi_offset; |
4213e15c | 42 | unsigned int nr_windows; |
e99a187b RJ |
43 | }; |
44 | ||
dd9d4e74 RJ |
45 | /** |
46 | * iProc PCIe inbound mapping | |
47 | * @nr_regions: total number of supported inbound mapping regions | |
48 | */ | |
49 | struct iproc_pcie_ib { | |
50 | unsigned int nr_regions; | |
51 | }; | |
52 | ||
4213e15c | 53 | struct iproc_pcie_ob_map; |
dd9d4e74 | 54 | struct iproc_pcie_ib_map; |
3bc2b234 RJ |
55 | struct iproc_msi; |
56 | ||
1fb37a81 RJ |
57 | /** |
58 | * iProc PCIe device | |
943ebae7 | 59 | * |
1fb37a81 | 60 | * @dev: pointer to device data structure |
943ebae7 RJ |
61 | * @type: iProc PCIe interface type |
62 | * @reg_offsets: register offsets | |
1fb37a81 | 63 | * @base: PCIe host controller I/O register base |
3bc2b234 | 64 | * @base_addr: PCIe host controller register base physical address |
8d9bfe37 | 65 | * @sysdata: Per PCI controller data (ARM-specific) |
1fb37a81 RJ |
66 | * @root_bus: pointer to root bus |
67 | * @phy: optional PHY device that controls the Serdes | |
5d92f41c | 68 | * @map_irq: function callback to map interrupts |
06324ede | 69 | * @ep_is_internal: indicates an internal emulated endpoint device is connected |
538928fd RJ |
70 | * @has_apb_err_disable: indicates the controller can be configured to prevent |
71 | * unsupported request from being forwarded as an APB bus error | |
4213e15c | 72 | * |
3bc2b234 | 73 | * @need_ob_cfg: indicates SW needs to configure the outbound mapping window |
4213e15c RJ |
74 | * @ob: outbound mapping related parameters |
75 | * @ob_map: outbound mapping related parameters specific to the controller | |
76 | * | |
dd9d4e74 RJ |
77 | * @ib: inbound mapping related parameters |
78 | * @ib_map: outbound mapping region related parameters | |
79 | * | |
787b3c4f RJ |
80 | * @need_msi_steer: indicates additional configuration of the iProc PCIe |
81 | * controller is required to steer MSI writes to external interrupt controller | |
3bc2b234 | 82 | * @msi: MSI data |
1fb37a81 RJ |
83 | */ |
84 | struct iproc_pcie { | |
85 | struct device *dev; | |
943ebae7 | 86 | enum iproc_pcie_type type; |
06324ede | 87 | u16 *reg_offsets; |
1fb37a81 | 88 | void __iomem *base; |
3bc2b234 | 89 | phys_addr_t base_addr; |
8d9bfe37 | 90 | #ifdef CONFIG_ARM |
1fb37a81 | 91 | struct pci_sys_data sysdata; |
8d9bfe37 | 92 | #endif |
6e347b5e | 93 | struct resource mem; |
1fb37a81 RJ |
94 | struct pci_bus *root_bus; |
95 | struct phy *phy; | |
c1e02cea | 96 | int (*map_irq)(const struct pci_dev *, u8, u8); |
06324ede | 97 | bool ep_is_internal; |
538928fd | 98 | bool has_apb_err_disable; |
4213e15c | 99 | |
e99a187b RJ |
100 | bool need_ob_cfg; |
101 | struct iproc_pcie_ob ob; | |
4213e15c RJ |
102 | const struct iproc_pcie_ob_map *ob_map; |
103 | ||
dd9d4e74 RJ |
104 | struct iproc_pcie_ib ib; |
105 | const struct iproc_pcie_ib_map *ib_map; | |
106 | ||
787b3c4f | 107 | bool need_msi_steer; |
3bc2b234 | 108 | struct iproc_msi *msi; |
1fb37a81 RJ |
109 | }; |
110 | ||
18c4342a | 111 | int iproc_pcie_setup(struct iproc_pcie *pcie, struct list_head *res); |
1fb37a81 RJ |
112 | int iproc_pcie_remove(struct iproc_pcie *pcie); |
113 | ||
3bc2b234 RJ |
114 | #ifdef CONFIG_PCIE_IPROC_MSI |
115 | int iproc_msi_init(struct iproc_pcie *pcie, struct device_node *node); | |
116 | void iproc_msi_exit(struct iproc_pcie *pcie); | |
117 | #else | |
118 | static inline int iproc_msi_init(struct iproc_pcie *pcie, | |
119 | struct device_node *node) | |
120 | { | |
121 | return -ENODEV; | |
122 | } | |
123 | static inline void iproc_msi_exit(struct iproc_pcie *pcie) | |
124 | { | |
125 | } | |
126 | #endif | |
127 | ||
1fb37a81 | 128 | #endif /* _PCIE_IPROC_H */ |