1 /* $NetBSD: ixp425_a4x_io.S,v 1.1.4.3 2004/09/21 13:13:42 skrll Exp $ */
4 * Copyright 2003 Wasabi Systems, Inc.
7 * Written by Steve C. Woodford for Wasabi Systems, Inc.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed for the NetBSD Project by
20 * Wasabi Systems, Inc.
21 * 4. The name of Wasabi Systems, Inc. may not be used to endorse
22 * or promote products derived from this software without specific prior
25 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 * POSSIBILITY OF SUCH DAMAGE.
39 * There are simple bus space functions for IO registers mapped at
40 * 32-bit aligned positions. offset is multiplied by 4.
42 * Based loosely on pxa2x0_a2x_io.S
45 #include <machine/asm.h>
48 * bus_space I/O functions with offset*4
55 ldr r0, [r1, r2, LSL #2]
60 ldr r0, [r1, r2, LSL #2]
62 orr r1, r1, r1, lsl #8
67 ldr r0, [r1, r2, LSL #2]
75 str r3, [r1, r2, LSL #2]
80 orr r0, r0, r0, lsl #8
82 str r3, [r1, r2, LSL #2]
86 str r3, [r1, r2, LSL #2]
93 add r0, r1, r2, lsl #2
105 add r0, r1, r2, lsl #2
120 add r0, r1, r2, lsl #2
132 add r0, r1, r2, lsl #2