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Diffstat (limited to 'include/asm-nios2/io.h')
| -rw-r--r-- | include/asm-nios2/io.h | 130 |
1 files changed, 0 insertions, 130 deletions
diff --git a/include/asm-nios2/io.h b/include/asm-nios2/io.h deleted file mode 100644 index 121405cd605..00000000000 --- a/include/asm-nios2/io.h +++ /dev/null @@ -1,130 +0,0 @@ -/* - * (C) Copyright 2004, Psyent Corporation <www.psyent.com> - * Scott McNutt <smcnutt@psyent.com> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#ifndef __ASM_NIOS2_IO_H_ -#define __ASM_NIOS2_IO_H_ - -static inline void sync(void) -{ - __asm__ __volatile__ ("sync" : : : "memory"); -} - -/* - * Given a physical address and a length, return a virtual address - * that can be used to access the memory range with the caching - * properties specified by "flags". - */ -#define MAP_NOCACHE (0) -#define MAP_WRCOMBINE (0) -#define MAP_WRBACK (0) -#define MAP_WRTHROUGH (0) - -static inline void * -map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags) -{ - return (void *)paddr; -} - -/* - * Take down a mapping set up by map_physmem(). - */ -static inline void unmap_physmem(void *vaddr, unsigned long flags) -{ - -} - -static inline phys_addr_t virt_to_phys(void * vaddr) -{ - return (phys_addr_t)(vaddr); -} - -extern unsigned char inb (unsigned char *port); -extern unsigned short inw (unsigned short *port); -extern unsigned inl (unsigned port); - -#define __raw_writeb(v,a) (*(volatile unsigned char *)(a) = (v)) -#define __raw_writew(v,a) (*(volatile unsigned short *)(a) = (v)) -#define __raw_writel(v,a) (*(volatile unsigned int *)(a) = (v)) - -#define __raw_readb(a) (*(volatile unsigned char *)(a)) -#define __raw_readw(a) (*(volatile unsigned short *)(a)) -#define __raw_readl(a) (*(volatile unsigned int *)(a)) - -#define readb(addr)\ - ({unsigned char val;\ - asm volatile( "ldbio %0, 0(%1)" :"=r"(val) : "r" (addr)); val;}) -#define readw(addr)\ - ({unsigned short val;\ - asm volatile( "ldhio %0, 0(%1)" :"=r"(val) : "r" (addr)); val;}) -#define readl(addr)\ - ({unsigned long val;\ - asm volatile( "ldwio %0, 0(%1)" :"=r"(val) : "r" (addr)); val;}) - -#define writeb(val,addr)\ - asm volatile ("stbio %0, 0(%1)" : : "r" (val), "r" (addr)) -#define writew(val,addr)\ - asm volatile ("sthio %0, 0(%1)" : : "r" (val), "r" (addr)) -#define writel(val,addr)\ - asm volatile ("stwio %0, 0(%1)" : : "r" (val), "r" (addr)) - -#define inb(addr) readb(addr) -#define inw(addr) readw(addr) -#define inl(addr) readl(addr) -#define outb(val, addr) writeb(val,addr) -#define outw(val, addr) writew(val,addr) -#define outl(val, addr) writel(val,addr) - -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); -} - -#endif /* __ASM_NIOS2_IO_H_ */ |