1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677 |
- /* SPDX-License-Identifier: GPL-2.0 */
- /*
- * S390 version
- * Copyright IBM Corp. 1999
- * Author(s): Martin Schwidefsky ([email protected])
- *
- * Derived from "include/asm-i386/io.h"
- */
- #ifndef _S390_IO_H
- #define _S390_IO_H
- #include <linux/kernel.h>
- #include <asm/page.h>
- #include <asm/pgtable.h>
- #include <asm/pci_io.h>
- #define xlate_dev_mem_ptr xlate_dev_mem_ptr
- void *xlate_dev_mem_ptr(phys_addr_t phys);
- #define unxlate_dev_mem_ptr unxlate_dev_mem_ptr
- void unxlate_dev_mem_ptr(phys_addr_t phys, void *addr);
- #define IO_SPACE_LIMIT 0
- void __iomem *ioremap_prot(phys_addr_t addr, size_t size, unsigned long prot);
- void __iomem *ioremap(phys_addr_t addr, size_t size);
- void __iomem *ioremap_wc(phys_addr_t addr, size_t size);
- void __iomem *ioremap_wt(phys_addr_t addr, size_t size);
- void iounmap(volatile void __iomem *addr);
- static inline void __iomem *ioport_map(unsigned long port, unsigned int nr)
- {
- return NULL;
- }
- static inline void ioport_unmap(void __iomem *p)
- {
- }
- #ifdef CONFIG_PCI
- /*
- * s390 needs a private implementation of pci_iomap since ioremap with its
- * offset parameter isn't sufficient. That's because BAR spaces are not
- * disjunctive on s390 so we need the bar parameter of pci_iomap to find
- * the corresponding device and create the mapping cookie.
- */
- #define pci_iomap pci_iomap
- #define pci_iomap_range pci_iomap_range
- #define pci_iounmap pci_iounmap
- #define pci_iomap_wc pci_iomap_wc
- #define pci_iomap_wc_range pci_iomap_wc_range
- #define ioremap ioremap
- #define ioremap_wt ioremap_wt
- #define ioremap_wc ioremap_wc
- #define memcpy_fromio(dst, src, count) zpci_memcpy_fromio(dst, src, count)
- #define memcpy_toio(dst, src, count) zpci_memcpy_toio(dst, src, count)
- #define memset_io(dst, val, count) zpci_memset_io(dst, val, count)
- #define mmiowb() zpci_barrier()
- #define __raw_readb zpci_read_u8
- #define __raw_readw zpci_read_u16
- #define __raw_readl zpci_read_u32
- #define __raw_readq zpci_read_u64
- #define __raw_writeb zpci_write_u8
- #define __raw_writew zpci_write_u16
- #define __raw_writel zpci_write_u32
- #define __raw_writeq zpci_write_u64
- #endif /* CONFIG_PCI */
- #include <asm-generic/io.h>
- #endif
|