| /* |
| * 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 */ |