blob: 1a5c5a5eb39c8f0f27fa37c4fa526a16c5d9a6f2 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
/*
* linux/arch/unicore32/include/asm/io.h
*
* Code specific to PKUnity SoC and UniCore ISA
*
* Copyright (C) 2001-2010 GUAN Xue-tao
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef __UNICORE_IO_H__
#define __UNICORE_IO_H__
#ifdef __KERNEL__
#include <asm/byteorder.h>
#include <asm/memory.h>
#include <asm/system.h>
#define PCI_IOBASE PKUNITY_PCILIO_BASE
#include <asm-generic/io.h>
/*
* __uc32_ioremap and __uc32_ioremap_cached takes CPU physical address.
*/
extern void __iomem *__uc32_ioremap(unsigned long, size_t);
extern void __iomem *__uc32_ioremap_cached(unsigned long, size_t);
extern void __uc32_iounmap(volatile void __iomem *addr);
/*
* ioremap and friends.
*
* ioremap takes a PCI memory address, as specified in
* Documentation/io-mapping.txt.
*
*/
#define ioremap(cookie, size) __uc32_ioremap(cookie, size)
#define ioremap_cached(cookie, size) __uc32_ioremap_cached(cookie, size)
#define iounmap(cookie) __uc32_iounmap(cookie)
/*
* Convert a physical pointer to a virtual kernel pointer for /dev/mem
* access
*/
#undef xlate_dev_mem_ptr
#define xlate_dev_mem_ptr(p) __va(p)
#define HAVE_ARCH_PIO_SIZE
#define PIO_OFFSET (unsigned int)(PCI_IOBASE)
#define PIO_MASK (unsigned int)(IO_SPACE_LIMIT)
#define PIO_RESERVED (PIO_OFFSET + PIO_MASK + 1)
#endif /* __KERNEL__ */
#endif /* __UNICORE_IO_H__ */
|
