projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 0c4ffcfe MK |
1 | /* |
| 2 | * Keystone PCI Controller's common includes | |
| 3 | * | |
| 4 | * Copyright (C) 2013-2014 Texas Instruments., Ltd. | |
| 5 | * http://www.ti.com | |
| 6 | * | |
| 7 | * Author: Murali Karicheri <m-karicheri2@ti.com> | |
| 8 | * | |
| 9 | * | |
| 10 | * This program is free software; you can redistribute it and/or modify | |
| 11 | * it under the terms of the GNU General Public License version 2 as | |
| 12 | * published by the Free Software Foundation. | |
| 13 | */ | |
| 14 | ||
| 15 | #define MAX_LEGACY_IRQS 4 | |
| 16 | #define MAX_MSI_HOST_IRQS 8 | |
| 17 | #define MAX_LEGACY_HOST_IRQS 4 | |
| 18 | ||
| 19 | struct keystone_pcie { | |
| 20 | struct clk *clk; | |
| 21 | struct pcie_port pp; | |
| 8665a482 MK |
22 | /* PCI Device ID */ |
| 23 | u32 device_id; | |
| 0c4ffcfe MK |
24 | int num_legacy_host_irqs; |
| 25 | int legacy_host_irqs[MAX_LEGACY_HOST_IRQS]; | |
| 26 | struct device_node *legacy_intc_np; | |
| 27 | ||
| 28 | int num_msi_host_irqs; | |
| 29 | int msi_host_irqs[MAX_MSI_HOST_IRQS]; | |
| 30 | struct device_node *msi_intc_np; | |
| 31 | struct irq_domain *legacy_irq_domain; | |
| 025dd3da MK |
32 | struct device_node *np; |
| 33 | ||
| 34 | int error_irq; | |
| 0c4ffcfe MK |
35 | |
| 36 | /* Application register space */ | |
| 37 | void __iomem *va_app_base; | |
| 38 | struct resource app; | |
| 39 | }; | |
| 40 | ||
| 41 | /* Keystone DW specific MSI controller APIs/definitions */ | |
| 42 | void ks_dw_pcie_handle_msi_irq(struct keystone_pcie *ks_pcie, int offset); | |
| 98a97e6f | 43 | phys_addr_t ks_dw_pcie_get_msi_addr(struct pcie_port *pp); |
| 0c4ffcfe MK |
44 | |
| 45 | /* Keystone specific PCI controller APIs */ | |
| 46 | void ks_dw_pcie_enable_legacy_irqs(struct keystone_pcie *ks_pcie); | |
| 47 | void ks_dw_pcie_handle_legacy_irq(struct keystone_pcie *ks_pcie, int offset); | |
| 025dd3da MK |
48 | void ks_dw_pcie_enable_error_irq(void __iomem *reg_base); |
| 49 | irqreturn_t ks_dw_pcie_handle_error_irq(struct device *dev, | |
| 50 | void __iomem *reg_base); | |
| 0c4ffcfe MK |
51 | int ks_dw_pcie_host_init(struct keystone_pcie *ks_pcie, |
| 52 | struct device_node *msi_intc_np); | |
| 53 | int ks_dw_pcie_wr_other_conf(struct pcie_port *pp, struct pci_bus *bus, | |
| 54 | unsigned int devfn, int where, int size, u32 val); | |
| 55 | int ks_dw_pcie_rd_other_conf(struct pcie_port *pp, struct pci_bus *bus, | |
| 56 | unsigned int devfn, int where, int size, u32 *val); | |
| 57 | void ks_dw_pcie_setup_rc_app_regs(struct keystone_pcie *ks_pcie); | |
| 58 | int ks_dw_pcie_link_up(struct pcie_port *pp); | |
| 59 | void ks_dw_pcie_initiate_link_train(struct keystone_pcie *ks_pcie); | |
| 60 | void ks_dw_pcie_msi_set_irq(struct pcie_port *pp, int irq); | |
| 61 | void ks_dw_pcie_msi_clear_irq(struct pcie_port *pp, int irq); | |
| 62 | void ks_dw_pcie_v3_65_scan_bus(struct pcie_port *pp); | |
| 63 | int ks_dw_pcie_msi_host_init(struct pcie_port *pp, | |
| c2791b80 | 64 | struct msi_controller *chip); |