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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 | /* * include/asm-v850/io.h -- Misc I/O operations * * Copyright (C) 2001,02 NEC Corporation * Copyright (C) 2001,02 Miles Bader <miles@gnu.org> * * This file is subject to the terms and conditions of the GNU General * Public License. See the file COPYING in the main directory of this * archive for more details. * * Written by Miles Bader <miles@gnu.org> */ #ifndef __V850_IO_H__ #define __V850_IO_H__ #define IO_SPACE_LIMIT 0xFFFFFFFF #define readb(addr) \ ({ unsigned char __v = (*(volatile unsigned char *) (addr)); __v; }) #define readw(addr) \ ({ unsigned short __v = (*(volatile unsigned short *) (addr)); __v; }) #define readl(addr) \ ({ unsigned long __v = (*(volatile unsigned long *) (addr)); __v; }) #define writeb(b, addr) \ (void)((*(volatile unsigned char *) (addr)) = (b)) #define writew(b, addr) \ (void)((*(volatile unsigned short *) (addr)) = (b)) #define writel(b, addr) \ (void)((*(volatile unsigned int *) (addr)) = (b)) #define inb(addr) readb (addr) #define inw(addr) readw (addr) #define inl(addr) readl (addr) #define outb(x, addr) ((void) writeb (x, addr)) #define outw(x, addr) ((void) writew (x, addr)) #define outl(x, addr) ((void) writel (x, addr)) #define inb_p(port) inb((port)) #define outb_p(val, port) outb((val), (port)) #define inw_p(port) inw((port)) #define outw_p(val, port) outw((val), (port)) #define inl_p(port) inl((port)) #define outl_p(val, port) outl((val), (port)) static inline void insb (unsigned long port, void *dst, unsigned long count) { unsigned char *p = dst; while (count--) *p++ = inb (port); } static inline void insw (unsigned long port, void *dst, unsigned long count) { unsigned short *p = dst; while (count--) *p++ = inw (port); } static inline void insl (unsigned long port, void *dst, unsigned long count) { unsigned long *p = dst; while (count--) *p++ = inl (port); } static inline void outsb (unsigned long port, const void *src, unsigned long count) { const unsigned char *p = src; while (count--) outb (*p++, port); } static inline void outsw (unsigned long port, const void *src, unsigned long count) { const unsigned short *p = src; while (count--) outw (*p++, port); } static inline void outsl (unsigned long port, const void *src, unsigned long count) { const unsigned long *p = src; while (count--) outl (*p++, port); } #define iounmap(addr) ((void)0) #define ioremap(physaddr, size) (physaddr) #define ioremap_nocache(physaddr, size) (physaddr) #define ioremap_writethrough(physaddr, size) (physaddr) #define ioremap_fullcache(physaddr, size) (physaddr) #define page_to_phys(page) ((page - mem_map) << PAGE_SHIFT) #if 0 /* This is really stupid; don't define it. */ #define page_to_bus(page) page_to_phys (page) #endif /* Conversion between virtual and physical mappings. */ #define mm_ptov(addr) ((void *)__phys_to_virt (addr)) #define mm_vtop(addr) ((unsigned long)__virt_to_phys (addr)) #define phys_to_virt(addr) ((void *)__phys_to_virt (addr)) #define virt_to_phys(addr) ((unsigned long)__virt_to_phys (addr)) #endif /* __V850_IO_H__ */ |