mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-12 06:12:58 +00:00
100 lines
2.8 KiB
C
100 lines
2.8 KiB
C
/*
|
|
* (C) Copyright 2003, 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_NIOS_IO_H_
|
|
#define __ASM_NIOS_IO_H_
|
|
|
|
#define readb(addr)\
|
|
({unsigned char val;\
|
|
asm volatile( " pfxio 0 \n"\
|
|
" ld %0, [%1] \n"\
|
|
" ext8d %0, %1 \n"\
|
|
:"=r"(val) : "r" (addr)); val;})
|
|
|
|
#define readw(addr)\
|
|
({unsigned short val;\
|
|
asm volatile( " pfxio 0 \n"\
|
|
" ld %0, [%1] \n"\
|
|
" ext16d %0, %1 \n"\
|
|
:"=r"(val) : "r" (addr)); val;})
|
|
|
|
#define readl(addr)\
|
|
({unsigned long val;\
|
|
asm volatile( " pfxio 0 \n"\
|
|
" ld %0, [%1] \n"\
|
|
:"=r"(val) : "r" (addr)); val;})
|
|
|
|
#define writeb(addr,val)\
|
|
asm volatile ( " fill8 %%r0, %1 \n"\
|
|
" st8d [%0], %%r0 \n"\
|
|
: : "r" (addr), "r" (val) : "r0")
|
|
|
|
#define writew(addr,val)\
|
|
asm volatile ( " fill16 %%r0, %1 \n"\
|
|
" st16d [%0], %%r0 \n"\
|
|
: : "r" (addr), "r" (val) : "r0")
|
|
|
|
#define writel(addr,val)\
|
|
asm volatile ( " st [%0], %1 \n"\
|
|
: : "r" (addr), "r" (val))
|
|
|
|
#define inb(addr) readb(addr)
|
|
#define inw(addr) readw(addr)
|
|
#define inl(addr) readl(addr)
|
|
#define outb(val,addr) writeb(addr,val)
|
|
#define outw(val,addr) writew(addr,val)
|
|
#define outl(val,addr) writel(addr,val)
|
|
|
|
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_NIOS_IO_H_ */
|