1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Copyright (C) 2014-2015 Broadcom Corporation
10 * iProc PCIe interface type
12 * PAXB is the wrapper used in root complex that can be connected to an
13 * external endpoint device.
15 * PAXC is the wrapper used in root complex dedicated for internal emulated
18 enum iproc_pcie_type {
19 IPROC_PCIE_PAXB_BCMA = 0,
27 * iProc PCIe outbound mapping
28 * @axi_offset: offset from the AXI address to the internal address used by
30 * @nr_windows: total number of supported outbound mapping windows
32 struct iproc_pcie_ob {
33 resource_size_t axi_offset;
34 unsigned int nr_windows;
38 * iProc PCIe inbound mapping
39 * @nr_regions: total number of supported inbound mapping regions
41 struct iproc_pcie_ib {
42 unsigned int nr_regions;
45 struct iproc_pcie_ob_map;
46 struct iproc_pcie_ib_map;
52 * @dev: pointer to device data structure
53 * @type: iProc PCIe interface type
54 * @reg_offsets: register offsets
55 * @base: PCIe host controller I/O register base
56 * @base_addr: PCIe host controller register base physical address
57 * @root_bus: pointer to root bus
58 * @phy: optional PHY device that controls the Serdes
59 * @map_irq: function callback to map interrupts
60 * @ep_is_internal: indicates an internal emulated endpoint device is connected
61 * @has_apb_err_disable: indicates the controller can be configured to prevent
62 * unsupported request from being forwarded as an APB bus error
64 * @need_ob_cfg: indicates SW needs to configure the outbound mapping window
65 * @ob: outbound mapping related parameters
66 * @ob_map: outbound mapping related parameters specific to the controller
68 * @need_ib_cfg: indicates SW needs to configure the inbound mapping window
69 * @ib: inbound mapping related parameters
70 * @ib_map: outbound mapping region related parameters
72 * @need_msi_steer: indicates additional configuration of the iProc PCIe
73 * controller is required to steer MSI writes to external interrupt controller
78 enum iproc_pcie_type type;
81 phys_addr_t base_addr;
83 struct pci_bus *root_bus;
85 int (*map_irq)(const struct pci_dev *, u8, u8);
87 bool has_apb_err_disable;
90 struct iproc_pcie_ob ob;
91 const struct iproc_pcie_ob_map *ob_map;
94 struct iproc_pcie_ib ib;
95 const struct iproc_pcie_ib_map *ib_map;
98 struct iproc_msi *msi;
101 int iproc_pcie_setup(struct iproc_pcie *pcie, struct list_head *res);
102 int iproc_pcie_remove(struct iproc_pcie *pcie);
103 int iproc_pcie_shutdown(struct iproc_pcie *pcie);
105 #ifdef CONFIG_PCIE_IPROC_MSI
106 int iproc_msi_init(struct iproc_pcie *pcie, struct device_node *node);
107 void iproc_msi_exit(struct iproc_pcie *pcie);
109 static inline int iproc_msi_init(struct iproc_pcie *pcie,
110 struct device_node *node)
114 static inline void iproc_msi_exit(struct iproc_pcie *pcie)
119 #endif /* _PCIE_IPROC_H */