1830980a0SMichal Simek /* 2830980a0SMichal Simek * This program is free software; you can redistribute it and/or 3830980a0SMichal Simek * modify it under the terms of the GNU General Public License 4830980a0SMichal Simek * as published by the Free Software Foundation; either version 5830980a0SMichal Simek * 2 of the License, or (at your option) any later version. 6830980a0SMichal Simek * 7830980a0SMichal Simek * Based on powerpc version 8830980a0SMichal Simek */ 9830980a0SMichal Simek 10830980a0SMichal Simek #ifndef __ASM_MICROBLAZE_PCI_H 11830980a0SMichal Simek #define __ASM_MICROBLAZE_PCI_H 12830980a0SMichal Simek #ifdef __KERNEL__ 13830980a0SMichal Simek 14830980a0SMichal Simek #include <linux/types.h> 15830980a0SMichal Simek #include <linux/slab.h> 16830980a0SMichal Simek #include <linux/string.h> 17830980a0SMichal Simek #include <linux/dma-mapping.h> 18830980a0SMichal Simek #include <linux/pci.h> 1984be456fSChristoph Hellwig #include <linux/scatterlist.h> 20830980a0SMichal Simek 21830980a0SMichal Simek #include <asm/io.h> 22830980a0SMichal Simek #include <asm/prom.h> 23830980a0SMichal Simek #include <asm/pci-bridge.h> 24830980a0SMichal Simek 25c74c8b1dSJohn Linn #include <asm-generic/pci-dma-compat.h> 26c74c8b1dSJohn Linn 27830980a0SMichal Simek #define PCIBIOS_MIN_IO 0x1000 28830980a0SMichal Simek #define PCIBIOS_MIN_MEM 0x10000000 29830980a0SMichal Simek 30830980a0SMichal Simek struct pci_dev; 31830980a0SMichal Simek 32830980a0SMichal Simek /* Values for the `which' argument to sys_pciconfig_iobase syscall. */ 33830980a0SMichal Simek #define IOBASE_BRIDGE_NUMBER 0 34830980a0SMichal Simek #define IOBASE_MEMORY 1 35830980a0SMichal Simek #define IOBASE_IO 2 36830980a0SMichal Simek #define IOBASE_ISA_IO 3 37830980a0SMichal Simek #define IOBASE_ISA_MEM 4 38830980a0SMichal Simek 39830980a0SMichal Simek #define pcibios_scan_all_fns(a, b) 0 40830980a0SMichal Simek 41830980a0SMichal Simek /* 42830980a0SMichal Simek * Set this to 1 if you want the kernel to re-assign all PCI 43830980a0SMichal Simek * bus numbers (don't do that on ppc64 yet !) 44830980a0SMichal Simek */ 4572bdee79SBenjamin Herrenschmidt #define pcibios_assign_all_busses() 0 46830980a0SMichal Simek 47830980a0SMichal Simek #ifdef CONFIG_PCI 48830980a0SMichal Simek static inline void pci_dma_burst_advice(struct pci_dev *pdev, 49830980a0SMichal Simek enum pci_dma_burst_strategy *strat, 50830980a0SMichal Simek unsigned long *strategy_parameter) 51830980a0SMichal Simek { 52830980a0SMichal Simek *strat = PCI_DMA_BURST_INFINITY; 53830980a0SMichal Simek *strategy_parameter = ~0UL; 54830980a0SMichal Simek } 55830980a0SMichal Simek #endif 56830980a0SMichal Simek 57830980a0SMichal Simek extern int pci_domain_nr(struct pci_bus *bus); 58830980a0SMichal Simek 59830980a0SMichal Simek /* Decide whether to display the domain number in /proc */ 60830980a0SMichal Simek extern int pci_proc_domain(struct pci_bus *bus); 61830980a0SMichal Simek 62830980a0SMichal Simek struct vm_area_struct; 63830980a0SMichal Simek /* Map a range of PCI memory or I/O space for a device into user space */ 64830980a0SMichal Simek int pci_mmap_page_range(struct pci_dev *pdev, struct vm_area_struct *vma, 65830980a0SMichal Simek enum pci_mmap_state mmap_state, int write_combine); 66830980a0SMichal Simek 67830980a0SMichal Simek /* Tell drivers/pci/proc.c that we have pci_mmap_page_range() */ 68830980a0SMichal Simek #define HAVE_PCI_MMAP 1 69830980a0SMichal Simek 70830980a0SMichal Simek extern int pci_legacy_read(struct pci_bus *bus, loff_t port, u32 *val, 71830980a0SMichal Simek size_t count); 72830980a0SMichal Simek extern int pci_legacy_write(struct pci_bus *bus, loff_t port, u32 val, 73830980a0SMichal Simek size_t count); 74830980a0SMichal Simek extern int pci_mmap_legacy_page_range(struct pci_bus *bus, 75830980a0SMichal Simek struct vm_area_struct *vma, 76830980a0SMichal Simek enum pci_mmap_state mmap_state); 77830980a0SMichal Simek 78830980a0SMichal Simek #define HAVE_PCI_LEGACY 1 79830980a0SMichal Simek 80830980a0SMichal Simek /* The PCI address space does equal the physical memory 81830980a0SMichal Simek * address space (no IOMMU). The IDE and SCSI device layers use 82830980a0SMichal Simek * this boolean for bounce buffer decisions. 83830980a0SMichal Simek */ 84830980a0SMichal Simek #define PCI_DMA_BUS_IS_PHYS (1) 85830980a0SMichal Simek 86830980a0SMichal Simek static inline struct resource *pcibios_select_root(struct pci_dev *pdev, 87830980a0SMichal Simek struct resource *res) 88830980a0SMichal Simek { 89830980a0SMichal Simek struct resource *root = NULL; 90830980a0SMichal Simek 91830980a0SMichal Simek if (res->flags & IORESOURCE_IO) 92830980a0SMichal Simek root = &ioport_resource; 93830980a0SMichal Simek if (res->flags & IORESOURCE_MEM) 94830980a0SMichal Simek root = &iomem_resource; 95830980a0SMichal Simek 96830980a0SMichal Simek return root; 97830980a0SMichal Simek } 98830980a0SMichal Simek 99830980a0SMichal Simek extern void pcibios_claim_one_bus(struct pci_bus *b); 100830980a0SMichal Simek 101830980a0SMichal Simek extern void pcibios_finish_adding_to_bus(struct pci_bus *bus); 102830980a0SMichal Simek 103830980a0SMichal Simek extern void pcibios_resource_survey(void); 104830980a0SMichal Simek 105830980a0SMichal Simek extern struct pci_controller *init_phb_dynamic(struct device_node *dn); 106830980a0SMichal Simek extern int remove_phb_dynamic(struct pci_controller *phb); 107830980a0SMichal Simek 108830980a0SMichal Simek extern struct pci_dev *of_create_pci_dev(struct device_node *node, 109830980a0SMichal Simek struct pci_bus *bus, int devfn); 110830980a0SMichal Simek 111830980a0SMichal Simek extern void of_scan_pci_bridge(struct device_node *node, 112830980a0SMichal Simek struct pci_dev *dev); 113830980a0SMichal Simek 114830980a0SMichal Simek extern void of_scan_bus(struct device_node *node, struct pci_bus *bus); 115830980a0SMichal Simek extern void of_rescan_bus(struct device_node *node, struct pci_bus *bus); 116830980a0SMichal Simek 117830980a0SMichal Simek extern int pci_bus_find_capability(struct pci_bus *bus, 118830980a0SMichal Simek unsigned int devfn, int cap); 119830980a0SMichal Simek 120830980a0SMichal Simek struct file; 121830980a0SMichal Simek extern pgprot_t pci_phys_mem_access_prot(struct file *file, 122830980a0SMichal Simek unsigned long pfn, 123830980a0SMichal Simek unsigned long size, 124830980a0SMichal Simek pgprot_t prot); 125830980a0SMichal Simek 126830980a0SMichal Simek #define HAVE_ARCH_PCI_RESOURCE_TO_USER 127830980a0SMichal Simek extern void pci_resource_to_user(const struct pci_dev *dev, int bar, 128830980a0SMichal Simek const struct resource *rsrc, 129830980a0SMichal Simek resource_size_t *start, resource_size_t *end); 130830980a0SMichal Simek 131830980a0SMichal Simek extern void pcibios_setup_bus_devices(struct pci_bus *bus); 132830980a0SMichal Simek extern void pcibios_setup_bus_self(struct pci_bus *bus); 133830980a0SMichal Simek 13425985edcSLucas De Marchi /* This part of code was originally in xilinx-pci.h */ 135733cc218SMichal Simek #ifdef CONFIG_PCI_XILINX 136733cc218SMichal Simek extern void __init xilinx_pci_init(void); 137733cc218SMichal Simek #else 138733cc218SMichal Simek static inline void __init xilinx_pci_init(void) { return; } 139733cc218SMichal Simek #endif 140733cc218SMichal Simek 141830980a0SMichal Simek #endif /* __KERNEL__ */ 142830980a0SMichal Simek #endif /* __ASM_MICROBLAZE_PCI_H */ 143