freebsd-dev/sys/arm/sa11x0/sa11x0_gpioreg.h
2012-06-13 04:59:00 +00:00

94 lines
2.7 KiB
C

/* $NetBSD: sa11x0_gpioreg.h,v 1.2 2001/07/30 15:58:56 rjs Exp $ */
/*-
* Copyright (c) 2001 The NetBSD Foundation, Inc. All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Ichiro FUKUHARA (ichiro@ichiro.org).
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD$
*
*/
/*
* SA-11x0 GPIO Register
*/
#define SAGPIO_NPORTS 8
/* GPIO pin-level register */
#define SAGPIO_PLR 0x00
/* GPIO pin direction register */
#define SAGPIO_PDR 0x04
/* GPIO pin output set register */
#define SAGPIO_PSR 0x08
/* GPIO pin output clear register */
#define SAGPIO_PCR 0x0C
/* GPIO rising-edge detect register */
#define SAGPIO_RER 0x10
/* GPIO falling-edge detect register */
#define SAGPIO_FER 0x14
/* GPIO edge-detect status register */
#define SAGPIO_EDR 0x18
/* GPIO alternate function register */
#define SAGPIO_AFR 0x1C
/* XXX */
#define GPIO(x) (0x00000001 << (x))
/*
* SA-11x0 GPIOs parameter
*/
/*
port name desc
0 Reserved
1 Reserved
2...9 LDD{8..15} LCD DATA(8-15)
10 SSP_TXD SSP transmit
11 SSP_RXD SSP receive
12 SSP_SCLK SSP serial clock
13 SSP_SFRM SSP frameclock
14 UART_TXD UART transmit
15 UART_RXD UART receive
16 GPCLK_OUT General-purpose clock out
17 Reserved
18 UART_SCLK Sample clock input
19 SSP_CLK Sample clock input
20 UART_SCLK3 Sample clock input
21 MCP_CLK MCP dock in
22 TREQA Either TIC request A
23 TREQB Either TIC request B
24 Reserved
25 RTC Real Time Clock
26 RCLK_OUT internal clock /2
27 32KHZ_OUT Raw 32.768kHz osc output
*/