| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 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 | |
| 39 | extern int pci_domain_nr(struct pci_bus *bus); |
| 40 | |
| 41 | /* Decide whether to display the domain number in /proc */ |
| 42 | extern int pci_proc_domain(struct pci_bus *bus); |
| 43 | |
| 44 | struct 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 | |
| 51 | extern int pci_legacy_read(struct pci_bus *bus, loff_t port, u32 *val, |
| 52 | size_t count); |
| 53 | extern int pci_legacy_write(struct pci_bus *bus, loff_t port, u32 val, |
| 54 | size_t count); |
| 55 | extern 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 | |
| 61 | extern void pcibios_resource_survey(void); |
| 62 | |
| 63 | struct file; |
| 64 | extern pgprot_t pci_phys_mem_access_prot(struct file *file, |
| 65 | unsigned long pfn, |
| 66 | unsigned long size, |
| 67 | pgprot_t prot); |
| 68 | |
| 69 | /* This part of code was originally in xilinx-pci.h */ |
| 70 | #ifdef CONFIG_PCI_XILINX |
| 71 | extern void __init xilinx_pci_init(void); |
| 72 | #else |
| 73 | static inline void __init xilinx_pci_init(void) { return; } |
| 74 | #endif |
| 75 | |
| 76 | #endif /* __KERNEL__ */ |
| 77 | #endif /* __ASM_MICROBLAZE_PCI_H */ |