summaryrefslogtreecommitdiff
path: root/include/asm-microblaze/arch-microblaze/xio.h
blob: 7eed327d4a0b2de1deefc243ba6a7bf997c469c7 (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
56
57
58
59
60
61
62
63
/*
 * xio.h
 *
 * Defines XIo functions for Xilinx OCP in terms of Linux primitives
 *
 * Author: MontaVista Software, Inc.
 *         source@mvista.com
 *
 * 2002 (c) MontaVista, Software, Inc.  This file is licensed under the terms
 * of the GNU General Public License version 2.  This program is licensed
 * "as is" without any warranty of any kind, whether express or implied.
 */

#ifndef XIO_H
#define XIO_H

#include "xbasic_types.h"
#include <asm/io.h>

typedef u32 XIo_Address;

extern inline u8
XIo_In8(XIo_Address InAddress)
{
	return (u8) in_8((volatile unsigned char *) InAddress);
}
extern inline u16
XIo_In16(XIo_Address InAddress)
{
	return (u16) in_be16((volatile unsigned short *) InAddress);
}
extern inline u32
XIo_In32(XIo_Address InAddress)
{
	return (u32) in_be32((volatile unsigned *) InAddress);
}
extern inline void
XIo_Out8(XIo_Address OutAddress, u8 Value)
{
	out_8((volatile unsigned char *) OutAddress, Value);
}
extern inline void
XIo_Out16(XIo_Address OutAddress, u16 Value)
{
	out_be16((volatile unsigned short *) OutAddress, Value);
}
extern inline void
XIo_Out32(XIo_Address OutAddress, u32 Value)
{
	out_be32((volatile unsigned *) OutAddress, Value);
}

#define XIo_ToLittleEndian16(s,d) (*(u16*)(d) = cpu_to_le16((u16)(s)))
#define XIo_ToLittleEndian32(s,d) (*(u32*)(d) = cpu_to_le32((u32)(s)))
#define XIo_ToBigEndian16(s,d) (*(u16*)(d) = cpu_to_be16((u16)(s)))
#define XIo_ToBigEndian32(s,d) (*(u32*)(d) = cpu_to_be32((u32)(s)))

#define XIo_FromLittleEndian16(s,d) (*(u16*)(d) = le16_to_cpu((u16)(s)))
#define XIo_FromLittleEndian32(s,d) (*(u32*)(d) = le32_to_cpu((u32)(s)))
#define XIo_FromBigEndian16(s,d) (*(u16*)(d) = be16_to_cpu((u16)(s)))
#define XIo_FromBigEndian32(s,d) (*(u32*)(d) = be32_to_cpu((u32)(s)))

#endif				/* XIO_H */