1 1.4 shige /* $NetBSD: gpioreg.h,v 1.4 2006/03/13 15:31:11 shige Exp $ */ 2 1.1 simonb 3 1.1 simonb /* 4 1.1 simonb * Copyright 2001 Wasabi Systems, Inc. 5 1.1 simonb * All rights reserved. 6 1.1 simonb * 7 1.1 simonb * Written by Simon Burge and Eduardo Horvath for Wasabi Systems, Inc. 8 1.1 simonb * 9 1.1 simonb * Redistribution and use in source and binary forms, with or without 10 1.1 simonb * modification, are permitted provided that the following conditions 11 1.1 simonb * are met: 12 1.1 simonb * 1. Redistributions of source code must retain the above copyright 13 1.1 simonb * notice, this list of conditions and the following disclaimer. 14 1.1 simonb * 2. Redistributions in binary form must reproduce the above copyright 15 1.1 simonb * notice, this list of conditions and the following disclaimer in the 16 1.1 simonb * documentation and/or other materials provided with the distribution. 17 1.1 simonb * 3. All advertising materials mentioning features or use of this software 18 1.1 simonb * must display the following acknowledgement: 19 1.1 simonb * This product includes software developed for the NetBSD Project by 20 1.1 simonb * Wasabi Systems, Inc. 21 1.1 simonb * 4. The name of Wasabi Systems, Inc. may not be used to endorse 22 1.1 simonb * or promote products derived from this software without specific prior 23 1.1 simonb * written permission. 24 1.1 simonb * 25 1.1 simonb * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 26 1.1 simonb * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27 1.1 simonb * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28 1.1 simonb * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 29 1.1 simonb * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30 1.1 simonb * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31 1.1 simonb * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32 1.1 simonb * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33 1.1 simonb * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34 1.1 simonb * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35 1.1 simonb * POSSIBILITY OF SUCH DAMAGE. 36 1.1 simonb */ 37 1.1 simonb 38 1.1 simonb #ifndef _IBM4XX_GPIOREG_H_ 39 1.1 simonb #define _IBM4XX_GPIOREG_H_ 40 1.1 simonb 41 1.2 shige /* 42 1.2 shige * GPIO Registers 43 1.2 shige */ 44 1.2 shige 45 1.2 shige /* 46 1.2 shige * GPIO ODR Control Logic: 47 1.2 shige * ODR OR Out TCR TS_Ctrl Module I/O 3-State Driver 48 1.2 shige * 0 X X 0 0 Forced to high impedance state 49 1.2 shige * 0 0 0 1 1 Drive 0 50 1.2 shige * 0 1 1 1 1 Drive 1 51 1.2 shige * 1 0 0 X 1 Drive 0 52 1.2 shige * 1 1 0 X 0 Forced to high impedance state 53 1.2 shige */ 54 1.2 shige 55 1.4 shige /* GPIO pins */ 56 1.4 shige #define GPIO_NPINS (24) 57 1.4 shige 58 1.2 shige /* GPIO Registers 0x00-0x7f */ 59 1.2 shige #define GPIO_NREG (0x80) 60 1.2 shige 61 1.4 shige #define GPIO_PIN_SHIFT(n) (31 - n) 62 1.2 shige 63 1.2 shige /* Offset */ 64 1.2 shige #define GPIO_OR (0x00) /* Output */ 65 1.2 shige #define GPIO_TCR (0x04) /* Three-State Control */ 66 1.2 shige #define GPIO_ODR (0x18) /* Open Drain */ 67 1.2 shige #define GPIO_IR (0x1c) /* Input */ 68 1.2 shige 69 1.1 simonb #endif /* _IBM4XX_GPIOREG_H_ */ 70
Indexes created Sat Sep 20 22:09:52 GMT 2025