/* * Copyright (C) 2006 Atmel Corporation * * 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_AVR32_IO_H #define __ASM_AVR32_IO_H #include <asm/types.h> #ifdef __KERNEL__ /* * Generic IO read/write. These perform native-endian accesses. Note * that some architectures will want to re-define __raw_{read,write}w. */ extern void __raw_writesb(unsigned int addr, const void *data, int bytelen); extern void __raw_writesw(unsigned int addr, const void *data, int wordlen); extern void __raw_writesl(unsigned int addr, const void *data, int longlen); extern void __raw_readsb(unsigned int addr, void *data, int bytelen); extern void __raw_readsw(unsigned int addr, void *data, int wordlen); extern void __raw_readsl(unsigned int addr, void *data, int longlen); #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)) /* As long as I/O is only performed in P4 (or possibly P3), we're safe */ #define writeb(v,a) __raw_writeb(v,a) #define writew(v,a) __raw_writew(v,a) #define writel(v,a) __raw_writel(v,a) #define readb(a) __raw_readb(a) #define readw(a) __raw_readw(a) #define readl(a) __raw_readl(a) /* * Bad read/write accesses... */ extern void __readwrite_bug(const char *fn); #define IO_SPACE_LIMIT 0xffffffff /* * All I/O is memory mapped, so these macros doesn't make very much sense */ #define outb(v,p) __raw_writeb(v, p) #define outw(v,p) __raw_writew(cpu_to_le16(v),p) #define outl(v,p) __raw_writel(cpu_to_le32(v),p) #define inb(p) ({ unsigned int __v = __raw_readb(p); __v; }) #define inw(p) ({ unsigned int __v = __le16_to_cpu(__raw_readw(p)); __v; }) #define inl(p) ({ unsigned int __v = __le32_to_cpu(__raw_readl(p)); __v; }) #include <asm/arch/addrspace.h> /* Provides virt_to_phys, phys_to_virt, cached, uncached, map_physmem */ #endif /* __KERNEL__ */ static inline void sync(void) { } /* * Take down a mapping set up by map_physmem(). */ static inline void unmap_physmem(void *vaddr, unsigned long len) { } #endif /* __ASM_AVR32_IO_H */