72 lines
2.1 KiB
C
72 lines
2.1 KiB
C
/*
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* Synopsys Designware PCIe host controller driver
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*
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* Copyright (C) 2013 Samsung Electronics Co., Ltd.
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* http://www.samsung.com
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*
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* Author: Jingoo Han <jg1.han@samsung.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef _PCIE_DESIGNWARE_H
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#define _PCIE_DESIGNWARE_H
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struct pcie_port {
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struct device_d *dev;
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u8 root_bus_nr;
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void __iomem *dbi_base;
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u64 cfg0_base;
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u64 cfg0_mod_base;
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void __iomem *va_cfg0_base;
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u32 cfg0_size;
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u64 cfg1_base;
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u64 cfg1_mod_base;
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void __iomem *va_cfg1_base;
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u32 cfg1_size;
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u64 io_base;
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u64 io_mod_base;
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phys_addr_t io_bus_addr;
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u32 io_size;
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u64 mem_base;
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u64 mem_mod_base;
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phys_addr_t mem_bus_addr;
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u32 mem_size;
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struct resource cfg;
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struct resource io;
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struct resource mem;
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struct resource busn;
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int irq;
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u32 lanes;
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struct pcie_host_ops *ops;
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struct pci_controller pci;
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};
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struct pcie_host_ops {
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void (*readl_rc)(struct pcie_port *pp,
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void __iomem *dbi_base, u32 *val);
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void (*writel_rc)(struct pcie_port *pp,
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u32 val, void __iomem *dbi_base);
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int (*rd_own_conf)(struct pcie_port *pp, int where, int size, u32 *val);
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int (*wr_own_conf)(struct pcie_port *pp, int where, int size, u32 val);
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int (*rd_other_conf)(struct pcie_port *pp, struct pci_bus *bus,
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unsigned int devfn, int where, int size, u32 *val);
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int (*wr_other_conf)(struct pcie_port *pp, struct pci_bus *bus,
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unsigned int devfn, int where, int size, u32 val);
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int (*link_up)(struct pcie_port *pp);
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void (*host_init)(struct pcie_port *pp);
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void (*scan_bus)(struct pcie_port *pp);
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};
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int dw_pcie_cfg_read(void __iomem *addr, int where, int size, u32 *val);
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int dw_pcie_cfg_write(void __iomem *addr, int where, int size, u32 val);
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irqreturn_t dw_handle_msi_irq(struct pcie_port *pp);
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void dw_pcie_msi_init(struct pcie_port *pp);
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int dw_pcie_link_up(struct pcie_port *pp);
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void dw_pcie_setup_rc(struct pcie_port *pp);
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int dw_pcie_host_init(struct pcie_port *pp);
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#endif /* _PCIE_DESIGNWARE_H */
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