projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 | 1 | /* |
| 1da177e4 | 2 | * S390 version |
| a53c8fab | 3 | * Copyright IBM Corp. 1999 |
| 1da177e4 LT |
4 | * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com) |
| 5 | * | |
| 6 | * Derived from "include/asm-i386/io.h" | |
| 7 | */ | |
| 8 | ||
| 9 | #ifndef _S390_IO_H | |
| 10 | #define _S390_IO_H | |
| 11 | ||
| cd248341 | 12 | #include <linux/kernel.h> |
| 1da177e4 | 13 | #include <asm/page.h> |
| cd248341 | 14 | #include <asm/pci_io.h> |
| 1da177e4 | 15 | |
| 576ebd74 | 16 | #define xlate_dev_mem_ptr xlate_dev_mem_ptr |
| 4707a341 TR |
17 | void *xlate_dev_mem_ptr(phys_addr_t phys); |
| 18 | #define unxlate_dev_mem_ptr unxlate_dev_mem_ptr | |
| 19 | void unxlate_dev_mem_ptr(phys_addr_t phys, void *addr); | |
| 1da177e4 LT |
20 | |
| 21 | /* | |
| 22 | * Convert a virtual cached pointer to an uncached pointer | |
| 23 | */ | |
| 24 | #define xlate_dev_kmem_ptr(p) p | |
| 25 | ||
| cd248341 JG |
26 | #define IO_SPACE_LIMIT 0 |
| 27 | ||
| 28 | #ifdef CONFIG_PCI | |
| 29 | ||
| 30 | #define ioremap_nocache(addr, size) ioremap(addr, size) | |
| 31 | #define ioremap_wc ioremap_nocache | |
| 556269c1 | 32 | #define ioremap_wt ioremap_nocache |
| cd248341 | 33 | |
| cd248341 JG |
34 | static inline void __iomem *ioremap(unsigned long offset, unsigned long size) |
| 35 | { | |
| 36 | return (void __iomem *) offset; | |
| 37 | } | |
| 38 | ||
| 39 | static inline void iounmap(volatile void __iomem *addr) | |
| 40 | { | |
| 41 | } | |
| 42 | ||
| 99e97b71 FB |
43 | static inline void __iomem *ioport_map(unsigned long port, unsigned int nr) |
| 44 | { | |
| 45 | return NULL; | |
| 46 | } | |
| 47 | ||
| 48 | static inline void ioport_unmap(void __iomem *p) | |
| 49 | { | |
| 50 | } | |
| 51 | ||
| cd248341 JG |
52 | /* |
| 53 | * s390 needs a private implementation of pci_iomap since ioremap with its | |
| 54 | * offset parameter isn't sufficient. That's because BAR spaces are not | |
| 55 | * disjunctive on s390 so we need the bar parameter of pci_iomap to find | |
| 56 | * the corresponding device and create the mapping cookie. | |
| 57 | */ | |
| 58 | #define pci_iomap pci_iomap | |
| 59 | #define pci_iounmap pci_iounmap | |
| ee03c586 LR |
60 | #define pci_iomap_wc pci_iomap |
| 61 | #define pci_iomap_wc_range pci_iomap_range | |
| cd248341 JG |
62 | |
| 63 | #define memcpy_fromio(dst, src, count) zpci_memcpy_fromio(dst, src, count) | |
| 64 | #define memcpy_toio(dst, src, count) zpci_memcpy_toio(dst, src, count) | |
| 65 | #define memset_io(dst, val, count) zpci_memset_io(dst, val, count) | |
| 66 | ||
| 67 | #define __raw_readb zpci_read_u8 | |
| 68 | #define __raw_readw zpci_read_u16 | |
| 69 | #define __raw_readl zpci_read_u32 | |
| 70 | #define __raw_readq zpci_read_u64 | |
| 71 | #define __raw_writeb zpci_write_u8 | |
| 72 | #define __raw_writew zpci_write_u16 | |
| 73 | #define __raw_writel zpci_write_u32 | |
| 74 | #define __raw_writeq zpci_write_u64 | |
| 75 | ||
| 76 | #endif /* CONFIG_PCI */ | |
| 77 | ||
| 78 | #include <asm-generic/io.h> | |
| 79 | ||
| 1da177e4 | 80 | #endif |