94 lines
3.0 KiB
C
94 lines
3.0 KiB
C
/*
|
|
* 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 */
|