mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-18 18:59:44 +00:00
819833af39
This helps to clean up the include/ directory so that it only contains non-architecture-specific headers and also matches Linux's directory layout which many U-Boot developers are already familiar with. Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
163 lines
4.2 KiB
C
163 lines
4.2 KiB
C
/*
|
|
* include/asm-microblaze/io.h -- Misc I/O operations
|
|
*
|
|
* Copyright (C) 2003 John Williams <jwilliams@itee.uq.edu.au>
|
|
* 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>
|
|
* Microblaze port by John Williams
|
|
*/
|
|
|
|
#ifndef __MICROBLAZE_IO_H__
|
|
#define __MICROBLAZE_IO_H__
|
|
|
|
#include <asm/types.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 memset_io(a,b,c) memset((void *)(a),(b),(c))
|
|
#define memcpy_fromio(a,b,c) memcpy((a),(void *)(b),(c))
|
|
#define memcpy_toio(a,b,c) memcpy((void *)(a),(b),(c))
|
|
|
|
#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))
|
|
|
|
/* Some #definitions to keep strange Xilinx code happy */
|
|
#define in_8(addr) readb (addr)
|
|
#define in_be16(addr) readw (addr)
|
|
#define in_be32(addr) readl (addr)
|
|
|
|
#define out_8(addr,x ) outb (x,addr)
|
|
#define out_be16(addr,x ) outw (x,addr)
|
|
#define out_be32(addr,x ) outl (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))
|
|
|
|
/* Some defines to keep the MTD flash drivers happy */
|
|
|
|
#define __raw_readb readb
|
|
#define __raw_readw readw
|
|
#define __raw_readl readl
|
|
#define __raw_writeb writeb
|
|
#define __raw_writew writew
|
|
#define __raw_writel writel
|
|
|
|
static inline void io_insb (unsigned long port, void *dst, unsigned long count)
|
|
{
|
|
unsigned char *p = dst;
|
|
while (count--)
|
|
*p++ = inb (port);
|
|
}
|
|
static inline void io_insw (unsigned long port, void *dst, unsigned long count)
|
|
{
|
|
unsigned short *p = dst;
|
|
while (count--)
|
|
*p++ = inw (port);
|
|
}
|
|
static inline void io_insl (unsigned long port, void *dst, unsigned long count)
|
|
{
|
|
unsigned long *p = dst;
|
|
while (count--)
|
|
*p++ = inl (port);
|
|
}
|
|
|
|
static inline void
|
|
io_outsb (unsigned long port, const void *src, unsigned long count)
|
|
{
|
|
const unsigned char *p = src;
|
|
while (count--)
|
|
outb (*p++, port);
|
|
}
|
|
static inline void
|
|
io_outsw (unsigned long port, const void *src, unsigned long count)
|
|
{
|
|
const unsigned short *p = src;
|
|
while (count--)
|
|
outw (*p++, port);
|
|
}
|
|
static inline void
|
|
io_outsl (unsigned long port, const void *src, unsigned long count)
|
|
{
|
|
const unsigned long *p = src;
|
|
while (count--)
|
|
outl (*p++, port);
|
|
}
|
|
|
|
#define outsb(a,b,l) io_outsb(a,b,l)
|
|
#define outsw(a,b,l) io_outsw(a,b,l)
|
|
#define outsl(a,b,l) io_outsl(a,b,l)
|
|
|
|
#define insb(a,b,l) io_insb(a,b,l)
|
|
#define insw(a,b,l) io_insw(a,b,l)
|
|
#define insl(a,b,l) io_insl(a,b,l)
|
|
|
|
|
|
#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)
|
|
|
|
static inline void sync(void)
|
|
{
|
|
}
|
|
|
|
/*
|
|
* 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);
|
|
}
|
|
|
|
#endif /* __MICROBLAZE_IO_H__ */
|