/* * S390 version * Copyright IBM Corp. 1999 * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com) * * 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/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); /* * Convert a virtual cached pointer to an uncached pointer */ #define xlate_dev_kmem_ptr(p) p #define IO_SPACE_LIMIT 0 #ifdef [31mCONFIG_PCI[0m #define ioremap_nocache(addr, size) ioremap(addr, size) #define ioremap_wc ioremap_nocache #define ioremap_wt ioremap_nocache static inline void __iomem *ioremap(unsigned long offset, unsigned long size) { return (void __iomem *) offset; } static inline 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) { } /* * 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_iounmap pci_iounmap #define pci_iomap_wc pci_iomap #define pci_iomap_wc_range pci_iomap_range #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 __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 |