mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-20 11:43:22 +00:00
63 lines
1.7 KiB
C
63 lines
1.7 KiB
C
/*
|
|
* 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 */
|