1 /* SPDX-License-Identifier: GPL-2.0 */
4 * Copyright IBM Corp. 1999
5 * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com)
7 * Derived from "include/asm-i386/io.h"
13 #include <linux/kernel.h>
15 #include <asm/pgtable.h>
16 #include <asm/pci_io.h>
18 #define xlate_dev_mem_ptr xlate_dev_mem_ptr
19 void *xlate_dev_mem_ptr(phys_addr_t phys);
20 #define unxlate_dev_mem_ptr unxlate_dev_mem_ptr
21 void unxlate_dev_mem_ptr(phys_addr_t phys, void *addr);
23 #define IO_SPACE_LIMIT 0
25 void __iomem *ioremap_prot(phys_addr_t addr, size_t size, unsigned long prot);
26 void __iomem *ioremap(phys_addr_t addr, size_t size);
27 void __iomem *ioremap_wc(phys_addr_t addr, size_t size);
28 void __iomem *ioremap_wt(phys_addr_t addr, size_t size);
29 void iounmap(volatile void __iomem *addr);
31 static inline void __iomem *ioport_map(unsigned long port, unsigned int nr)
36 static inline void ioport_unmap(void __iomem *p)
43 * s390 needs a private implementation of pci_iomap since ioremap with its
44 * offset parameter isn't sufficient. That's because BAR spaces are not
45 * disjunctive on s390 so we need the bar parameter of pci_iomap to find
46 * the corresponding device and create the mapping cookie.
48 #define pci_iomap pci_iomap
49 #define pci_iomap_range pci_iomap_range
50 #define pci_iounmap pci_iounmap
51 #define pci_iomap_wc pci_iomap_wc
52 #define pci_iomap_wc_range pci_iomap_wc_range
54 #define ioremap ioremap
55 #define ioremap_wt ioremap_wt
56 #define ioremap_wc ioremap_wc
58 #define memcpy_fromio(dst, src, count) zpci_memcpy_fromio(dst, src, count)
59 #define memcpy_toio(dst, src, count) zpci_memcpy_toio(dst, src, count)
60 #define memset_io(dst, val, count) zpci_memset_io(dst, val, count)
62 #define mmiowb() zpci_barrier()
64 #define __raw_readb zpci_read_u8
65 #define __raw_readw zpci_read_u16
66 #define __raw_readl zpci_read_u32
67 #define __raw_readq zpci_read_u64
68 #define __raw_writeb zpci_write_u8
69 #define __raw_writew zpci_write_u16
70 #define __raw_writel zpci_write_u32
71 #define __raw_writeq zpci_write_u64
73 #endif /* CONFIG_PCI */
75 #include <asm-generic/io.h>