source: SVN/rincon/u-boot/cpu/mpc8220/io.S @ 55

Last change on this file since 55 was 55, checked in by Tim Harvey, 22 months ago

rincon: added latest u-boot source

restored form server backup

Signed-off-by: Tim Harvey <tharvey@…>

File size: 3.9 KB
Line 
1/*
2 *  Copyright (C) 1998  Dan Malek <dmalek@jlc.net>
3 *  Copyright (C) 1999  Magnus Damm <kieraypc01.p.y.kie.era.ericsson.se>
4 *  Copyright (C) 2001  Sysgo Real-Time Solutions, GmbH <www.elinos.com>
5 *                      Andreas Heppel <aheppel@sysgo.de>
6 *  Copyright (C) 2003  Wolfgang Denk <wd@denx.de>
7 *
8 * See file CREDITS for list of people who contributed to this
9 * project.
10 *
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License as
13 * published by the Free Software Foundation; either version 2 of
14 * the License, or (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
24 * MA 02111-1307 USA
25 */
26
27#include <config.h>
28#include <ppc_asm.tmpl>
29
30/* ------------------------------------------------------------------------------- */
31/*  Function:     in8 */
32/*  Description:  Input 8 bits */
33/* ------------------------------------------------------------------------------- */
34        .globl  in8
35in8:
36        lbz     r3,0(r3)
37        sync
38        blr
39
40/* ------------------------------------------------------------------------------- */
41/*  Function:     in16 */
42/*  Description:  Input 16 bits */
43/* ------------------------------------------------------------------------------- */
44        .globl  in16
45in16:
46        lhz     r3,0(r3)
47        sync
48        blr
49
50/* ------------------------------------------------------------------------------- */
51/*  Function:     in16r */
52/*  Description:  Input 16 bits and byte reverse */
53/* ------------------------------------------------------------------------------- */
54        .globl  in16r
55in16r:
56        lhbrx   r3,0,r3
57        sync
58        blr
59
60/* ------------------------------------------------------------------------------- */
61/*  Function:     in32 */
62/*  Description:  Input 32 bits */
63/* ------------------------------------------------------------------------------- */
64        .globl  in32
65in32:
66        lwz     3,0(3)
67        sync
68        blr
69
70/* ------------------------------------------------------------------------------- */
71/*  Function:     in32r */
72/*  Description:  Input 32 bits and byte reverse */
73/* ------------------------------------------------------------------------------- */
74        .globl  in32r
75in32r:
76        lwbrx   r3,0,r3
77        sync
78        blr
79
80/* ------------------------------------------------------------------------------- */
81/*  Function:     out8 */
82/*  Description:  Output 8 bits */
83/* ------------------------------------------------------------------------------- */
84        .globl  out8
85out8:
86        stb     r4,0(r3)
87        sync
88        blr
89
90/* ------------------------------------------------------------------------------- */
91/*  Function:     out16 */
92/*  Description:  Output 16 bits */
93/* ------------------------------------------------------------------------------- */
94        .globl  out16
95out16:
96        sth     r4,0(r3)
97        sync
98        blr
99
100/* ------------------------------------------------------------------------------- */
101/*  Function:     out16r */
102/*  Description:  Byte reverse and output 16 bits */
103/* ------------------------------------------------------------------------------- */
104        .globl  out16r
105out16r:
106        sthbrx  r4,0,r3
107        sync
108        blr
109
110/* ------------------------------------------------------------------------------- */
111/*  Function:     out32 */
112/*  Description:  Output 32 bits */
113/* ------------------------------------------------------------------------------- */
114        .globl  out32
115out32:
116        stw     r4,0(r3)
117        sync
118        blr
119
120/* ------------------------------------------------------------------------------- */
121/*  Function:     out32r */
122/*  Description:  Byte reverse and output 32 bits */
123/* ------------------------------------------------------------------------------- */
124        .globl  out32r
125out32r:
126        stwbrx  r4,0,r3
127        sync
128        blr
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