pci.h (1853B)
1/* SPDX-License-Identifier: GPL-2.0-or-later */ 2/* 3 * 4 * Based on powerpc version 5 */ 6 7#ifndef __ASM_MICROBLAZE_PCI_H 8#define __ASM_MICROBLAZE_PCI_H 9#ifdef __KERNEL__ 10 11#include <linux/types.h> 12#include <linux/slab.h> 13#include <linux/string.h> 14#include <linux/dma-mapping.h> 15#include <linux/pci.h> 16#include <linux/scatterlist.h> 17 18#include <asm/io.h> 19#include <asm/pci-bridge.h> 20 21#define PCIBIOS_MIN_IO 0x1000 22#define PCIBIOS_MIN_MEM 0x10000000 23 24/* Values for the `which' argument to sys_pciconfig_iobase syscall. */ 25#define IOBASE_BRIDGE_NUMBER 0 26#define IOBASE_MEMORY 1 27#define IOBASE_IO 2 28#define IOBASE_ISA_IO 3 29#define IOBASE_ISA_MEM 4 30 31#define pcibios_scan_all_fns(a, b) 0 32 33/* 34 * Set this to 1 if you want the kernel to re-assign all PCI 35 * bus numbers (don't do that on ppc64 yet !) 36 */ 37#define pcibios_assign_all_busses() 0 38 39extern int pci_domain_nr(struct pci_bus *bus); 40 41/* Decide whether to display the domain number in /proc */ 42extern int pci_proc_domain(struct pci_bus *bus); 43 44struct vm_area_struct; 45 46/* Tell PCI code what kind of PCI resource mappings we support */ 47#define HAVE_PCI_MMAP 1 48#define ARCH_GENERIC_PCI_MMAP_RESOURCE 1 49#define arch_can_pci_mmap_io() 1 50 51extern int pci_legacy_read(struct pci_bus *bus, loff_t port, u32 *val, 52 size_t count); 53extern int pci_legacy_write(struct pci_bus *bus, loff_t port, u32 val, 54 size_t count); 55extern int pci_mmap_legacy_page_range(struct pci_bus *bus, 56 struct vm_area_struct *vma, 57 enum pci_mmap_state mmap_state); 58 59#define HAVE_PCI_LEGACY 1 60 61extern void pcibios_resource_survey(void); 62 63struct file; 64 65/* This part of code was originally in xilinx-pci.h */ 66#ifdef CONFIG_PCI_XILINX 67extern void __init xilinx_pci_init(void); 68#else 69static inline void __init xilinx_pci_init(void) { return; } 70#endif 71 72#endif /* __KERNEL__ */ 73#endif /* __ASM_MICROBLAZE_PCI_H */