projects / people / ms / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 028ab6b5 WD |
1 | /* |
| 2 | * xio.h | |
| 3 | * | |
| 4 | * Defines XIo functions for Xilinx OCP in terms of Linux primitives | |
| 5 | * | |
| 6 | * Author: MontaVista Software, Inc. | |
| 7 | * source@mvista.com | |
| 8 | * | |
| 9 | * Copyright 2002 MontaVista Software Inc. | |
| 10 | * | |
| 11 | * This program is free software; you can redistribute it and/or modify it | |
| 12 | * under the terms of the GNU General Public License as published by the | |
| 13 | * Free Software Foundation; either version 2 of the License, or (at your | |
| 14 | * option) any later version. | |
| 15 | * | |
| 16 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED | |
| 17 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
| 18 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. | |
| 19 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, | |
| 20 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, | |
| 21 | * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS | |
| 22 | * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | |
| 23 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR | |
| 24 | * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE | |
| 25 | * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 26 | * | |
| 27 | * You should have received a copy of the GNU General Public License along | |
| 28 | * with this program; if not, write to the Free Software Foundation, Inc., | |
| 29 | * 675 Mass Ave, Cambridge, MA 02139, USA. | |
| 30 | */ | |
| 31 | ||
| 32 | #ifndef XIO_H | |
| 33 | #define XIO_H | |
| 34 | ||
| 35 | #include "xbasic_types.h" | |
| 36 | #include <asm/io.h> | |
| 37 | ||
| 38 | typedef u32 XIo_Address; | |
| 39 | ||
| 40 | extern inline u8 | |
| 41 | XIo_In8(XIo_Address InAddress) | |
| 42 | { | |
| 43 | return (u8) in_8((volatile unsigned char *) InAddress); | |
| 44 | } | |
| 45 | extern inline u16 | |
| 46 | XIo_In16(XIo_Address InAddress) | |
| 47 | { | |
| 48 | return (u16) in_be16((volatile unsigned short *) InAddress); | |
| 49 | } | |
| 50 | extern inline u32 | |
| 51 | XIo_In32(XIo_Address InAddress) | |
| 52 | { | |
| 53 | return (u32) in_be32((volatile unsigned *) InAddress); | |
| 54 | } | |
| 55 | extern inline void | |
| 56 | XIo_Out8(XIo_Address OutAddress, u8 Value) | |
| 57 | { | |
| 58 | out_8((volatile unsigned char *) OutAddress, Value); | |
| 59 | } | |
| 60 | extern inline void | |
| 61 | XIo_Out16(XIo_Address OutAddress, u16 Value) | |
| 62 | { | |
| 63 | out_be16((volatile unsigned short *) OutAddress, Value); | |
| 64 | } | |
| 65 | extern inline void | |
| 66 | XIo_Out32(XIo_Address OutAddress, u32 Value) | |
| 67 | { | |
| 68 | out_be32((volatile unsigned *) OutAddress, Value); | |
| 69 | } | |
| 70 | ||
| 71 | #define XIo_ToLittleEndian16(s,d) (*(u16*)(d) = cpu_to_le16((u16)(s))) | |
| 72 | #define XIo_ToLittleEndian32(s,d) (*(u32*)(d) = cpu_to_le32((u32)(s))) | |
| 73 | #define XIo_ToBigEndian16(s,d) (*(u16*)(d) = cpu_to_be16((u16)(s))) | |
| 74 | #define XIo_ToBigEndian32(s,d) (*(u32*)(d) = cpu_to_be32((u32)(s))) | |
| 75 | ||
| 76 | #define XIo_FromLittleEndian16(s,d) (*(u16*)(d) = le16_to_cpu((u16)(s))) | |
| 77 | #define XIo_FromLittleEndian32(s,d) (*(u32*)(d) = le32_to_cpu((u32)(s))) | |
| 78 | #define XIo_FromBigEndian16(s,d) (*(u16*)(d) = be16_to_cpu((u16)(s))) | |
| 79 | #define XIo_FromBigEndian32(s,d) (*(u32*)(d) = be32_to_cpu((u32)(s))) | |
| 80 | ||
| 81 | #endif /* XIO_H */ |