12874c5fdSThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-or-later */ 2830980a0SMichal Simek /* 3830980a0SMichal Simek * 4830980a0SMichal Simek * Based on powerpc version 5830980a0SMichal Simek */ 6830980a0SMichal Simek 7830980a0SMichal Simek #ifndef __ASM_MICROBLAZE_PCI_H 8830980a0SMichal Simek #define __ASM_MICROBLAZE_PCI_H 9830980a0SMichal Simek #ifdef __KERNEL__ 10830980a0SMichal Simek 11830980a0SMichal Simek #include <linux/types.h> 12830980a0SMichal Simek #include <linux/slab.h> 13830980a0SMichal Simek #include <linux/string.h> 14830980a0SMichal Simek #include <linux/dma-mapping.h> 15830980a0SMichal Simek #include <linux/pci.h> 1684be456fSChristoph Hellwig #include <linux/scatterlist.h> 17830980a0SMichal Simek 18830980a0SMichal Simek #include <asm/io.h> 19830980a0SMichal Simek #include <asm/pci-bridge.h> 20830980a0SMichal Simek 21830980a0SMichal Simek #define PCIBIOS_MIN_IO 0x1000 22830980a0SMichal Simek #define PCIBIOS_MIN_MEM 0x10000000 23830980a0SMichal Simek 24830980a0SMichal Simek /* Values for the `which' argument to sys_pciconfig_iobase syscall. */ 25830980a0SMichal Simek #define IOBASE_BRIDGE_NUMBER 0 26830980a0SMichal Simek #define IOBASE_MEMORY 1 27830980a0SMichal Simek #define IOBASE_IO 2 28830980a0SMichal Simek #define IOBASE_ISA_IO 3 29830980a0SMichal Simek #define IOBASE_ISA_MEM 4 30830980a0SMichal Simek 31830980a0SMichal Simek #define pcibios_scan_all_fns(a, b) 0 32830980a0SMichal Simek 33830980a0SMichal Simek /* 34830980a0SMichal Simek * Set this to 1 if you want the kernel to re-assign all PCI 35830980a0SMichal Simek * bus numbers (don't do that on ppc64 yet !) 36830980a0SMichal Simek */ 3772bdee79SBenjamin Herrenschmidt #define pcibios_assign_all_busses() 0 38830980a0SMichal Simek 39830980a0SMichal Simek extern int pci_domain_nr(struct pci_bus *bus); 40830980a0SMichal Simek 41830980a0SMichal Simek /* Decide whether to display the domain number in /proc */ 42830980a0SMichal Simek extern int pci_proc_domain(struct pci_bus *bus); 43830980a0SMichal Simek 44830980a0SMichal Simek struct vm_area_struct; 45830980a0SMichal Simek 4670f6283aSDavid Woodhouse /* Tell PCI code what kind of PCI resource mappings we support */ 47830980a0SMichal Simek #define HAVE_PCI_MMAP 1 4870f6283aSDavid Woodhouse #define ARCH_GENERIC_PCI_MMAP_RESOURCE 1 49e854d8b2SDavid Woodhouse #define arch_can_pci_mmap_io() 1 50830980a0SMichal Simek 51830980a0SMichal Simek extern int pci_legacy_read(struct pci_bus *bus, loff_t port, u32 *val, 52830980a0SMichal Simek size_t count); 53830980a0SMichal Simek extern int pci_legacy_write(struct pci_bus *bus, loff_t port, u32 val, 54830980a0SMichal Simek size_t count); 55830980a0SMichal Simek extern int pci_mmap_legacy_page_range(struct pci_bus *bus, 56830980a0SMichal Simek struct vm_area_struct *vma, 57830980a0SMichal Simek enum pci_mmap_state mmap_state); 58830980a0SMichal Simek 59830980a0SMichal Simek #define HAVE_PCI_LEGACY 1 60830980a0SMichal Simek 61830980a0SMichal Simek extern void pcibios_resource_survey(void); 62830980a0SMichal Simek 63830980a0SMichal Simek struct file; 64830980a0SMichal Simek extern pgprot_t pci_phys_mem_access_prot(struct file *file, 65830980a0SMichal Simek unsigned long pfn, 66830980a0SMichal Simek unsigned long size, 67830980a0SMichal Simek pgprot_t prot); 68830980a0SMichal Simek 69830980a0SMichal Simek #define HAVE_ARCH_PCI_RESOURCE_TO_USER 70830980a0SMichal Simek 7125985edcSLucas De Marchi /* This part of code was originally in xilinx-pci.h */ 72733cc218SMichal Simek #ifdef CONFIG_PCI_XILINX 73733cc218SMichal Simek extern void __init xilinx_pci_init(void); 74733cc218SMichal Simek #else 75733cc218SMichal Simek static inline void __init xilinx_pci_init(void) { return; } 76733cc218SMichal Simek #endif 77733cc218SMichal Simek 78830980a0SMichal Simek #endif /* __KERNEL__ */ 79830980a0SMichal Simek #endif /* __ASM_MICROBLAZE_PCI_H */ 80