/* * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. * * Based on powerpc version */ #ifndef __ASM_MICROBLAZE_PCI_H #define __ASM_MICROBLAZE_PCI_H #ifdef __KERNEL__ #include <linux/types.h> #include <linux/slab.h> #include <linux/string.h> #include <linux/dma-mapping.h> #include <linux/pci.h> #include <asm/scatterlist.h> #include <asm/io.h> #include <asm/prom.h> #include <asm/pci-bridge.h> #include <asm-generic/pci-dma-compat.h> #define PCIBIOS_MIN_IO 0x1000 #define PCIBIOS_MIN_MEM 0x10000000 struct pci_dev; /* Values for the `which' argument to sys_pciconfig_iobase syscall. */ #define IOBASE_BRIDGE_NUMBER 0 #define IOBASE_MEMORY 1 #define IOBASE_IO 2 #define IOBASE_ISA_IO 3 #define IOBASE_ISA_MEM 4 #define pcibios_scan_all_fns(a, b) 0 /* * Set this to 1 if you want the kernel to re-assign all PCI * bus numbers (don't do that on ppc64 yet !) */ #define pcibios_assign_all_busses() 0 static inline void pcibios_penalize_isa_irq(int irq, int active) { /* We don't do dynamic PCI IRQ allocation */ } #ifdef CONFIG_PCI extern void set_pci_dma_ops(struct dma_map_ops *dma_ops); extern struct dma_map_ops *get_pci_dma_ops(void); #else /* CONFIG_PCI */ #define set_pci_dma_ops(d) #define get_pci_dma_ops() NULL #endif #ifdef CONFIG_PCI static inline void pci_dma_burst_advice(struct pci_dev *pdev, enum pci_dma_burst_strategy *strat, unsigned long *strategy_parameter) { *strat = PCI_DMA_BURST_INFINITY; *strategy_parameter = ~0UL; } #endif extern int pci_domain_nr(struct pci_bus *bus); /* Decide whether to display the domain number in /proc */ extern int pci_proc_domain(struct pci_bus *bus); struct vm_area_struct; /* Map a range of PCI memory or I/O space for a device into user space */ int pci_mmap_page_range(struct pci_dev *pdev, struct vm_area_struct *vma, enum pci_mmap_state mmap_state, int write_combine); /* Tell drivers/pci/proc.c that we have pci_mmap_page_range() */ #define HAVE_PCI_MMAP 1 extern int pci_legacy_read(struct pci_bus *bus, loff_t port, u32 *val, size_t count); extern int pci_legacy_write(struct pci_bus *bus, loff_t port, u32 val, size_t count); extern int pci_mmap_legacy_page_range(struct pci_bus *bus, struct vm_area_struct *vma, enum pci_mmap_state mmap_state); #define HAVE_PCI_LEGACY 1 /* The PCI address space does equal the physical memory * address space (no IOMMU). The IDE and SCSI device layers use * this boolean for bounce buffer decisions. */ #define PCI_DMA_BUS_IS_PHYS (1) static inline struct resource *pcibios_select_root(struct pci_dev *pdev, struct resource *res) { struct resource *root = NULL; if (res->flags & IORESOURCE_IO) root = &ioport_resource; if (res->flags & IORESOURCE_MEM) root = &iomem_resource; return root; } extern void pcibios_claim_one_bus(struct pci_bus *b); extern void pcibios_finish_adding_to_bus(struct pci_bus *bus); extern void pcibios_resource_survey(void); extern struct pci_controller *init_phb_dynamic(struct device_node *dn); extern int remove_phb_dynamic(struct pci_controller *phb); extern struct pci_dev *of_create_pci_dev(struct device_node *node, struct pci_bus *bus, int devfn); extern void of_scan_pci_bridge(struct device_node *node, struct pci_dev *dev); extern void of_scan_bus(struct device_node *node, struct pci_bus *bus); extern void of_rescan_bus(struct device_node *node, struct pci_bus *bus); extern int pci_read_irq_line(struct pci_dev *dev); extern int pci_bus_find_capability(struct pci_bus *bus, unsigned int devfn, int cap); struct file; extern pgprot_t pci_phys_mem_access_prot(struct file *file, unsigned long pfn, unsigned long size, pgprot_t prot); #define HAVE_ARCH_PCI_RESOURCE_TO_USER extern void pci_resource_to_user(const struct pci_dev *dev, int bar, const struct resource *rsrc, resource_size_t *start, resource_size_t *end); extern void pcibios_setup_bus_devices(struct pci_bus *bus); extern void pcibios_setup_bus_self(struct pci_bus *bus); /* This part of code was originally in xilinx-pci.h */ #ifdef CONFIG_PCI_XILINX extern void __init xilinx_pci_init(void); #else static inline void __init xilinx_pci_init(void) { return; } #endif #endif /* __KERNEL__ */ #endif /* __ASM_MICROBLAZE_PCI_H */