/* $NetBSD: bcm2835_mboxreg.h,v 1.1 2012/08/20 07:45:24 skrll Exp $ */ /*- * Copyright (c) 2012 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Nick Hudson * * 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. */ #ifndef _BCM2835_MBOXREG_H_ #define _BCM2835_MBOXREG_H_ /* mailbox 0 (from VC) and mailbox 1 (to VC) */ #define BCM2835_MBOX_SIZE 0x80 #define BCM2835_MBOX_READ 0x00 #define BCM2835_MBOX_WRITE 0x00 #define BCM2835_MBOX_POLL 0x10 /* read without popping the fifo */ #define BCM2835_MBOX_ID 0x14 /* sender ID (bottom two bits) */ #define BCM2835_MBOX_STATUS 0x18 /* status */ #define BCM2835_MBOX_STATUS_FULL 0x80000000 #define BCM2835_MBOX_STATUS_EMPTY 0x40000000 #define BCM2835_MBOX_STATUS_LEVEL 0x400000FF #define BCM2835_MBOX_CFG 0x1C /* configuration */ #define BCM2835_MBOX_CFG_DATAIRQEN 0x00000001 #define BCM2835_MBOX_CFG_SPACEIRQEN 0x00000002 #define BCM2835_MBOX_CFG_EMPTYOPIRQEN 0x00000004 #define BCM2835_MBOX_CFG_MAILCLEAR 0x00000008 #define BCM2835_MBOX_CFG_DATAPENDING 0x00000010 #define BCM2835_MBOX_CFG_SPACEPENDING 0x00000020 #define BCM2835_MBOX_CFG_EMPTYOPPENDING 0x00000040 #define BCM2835_MBOX_CFG_ENOOWN 0x00000100 #define BCM2835_MBOX_CFG_EOVERFLOW 0x00000200 #define BCM2835_MBOX_CFG_EUNDERFLOW 0x00000400 #define BCM2835_MBOX0_BASE 0x00 #define BCM2835_MBOX1_BASE 0x20 #define BCM2835_MBOX0_READ (BCM2835_MBOX0_BASE + BCM2835_MBOX_READ) #define BCM2835_MBOX0_WRITE (BCM2835_MBOX0_BASE + BCM2835_MBOX_WRITE) #define BCM2835_MBOX0_POLL (BCM2835_MBOX0_BASE + BCM2835_MBOX_POLL) #define BCM2835_MBOX0_ID (BCM2835_MBOX0_BASE + BCM2835_MBOX_ID) #define BCM2835_MBOX0_STATUS (BCM2835_MBOX0_BASE + BCM2835_MBOX_STATUS) #define BCM2835_MBOX0_CFG (BCM2835_MBOX0_BASE + BCM2835_MBOX_READ) #define BCM2835_MBOX1_READ (BCM2835_MBOX1_BASE + BCM2835_MBOX_READ) #define BCM2835_MBOX1_WRITE (BCM2835_MBOX1_BASE + BCM2835_MBOX_WRITE) #define BCM2835_MBOX1_POLL (BCM2835_MBOX1_BASE + BCM2835_MBOX_POLL) #define BCM2835_MBOX1_ID (BCM2835_MBOX1_BASE + BCM2835_MBOX_ID) #define BCM2835_MBOX1_STATUS (BCM2835_MBOX1_BASE + BCM2835_MBOX_STATUS) #define BCM2835_MBOX1_CFG (BCM2835_MBOX1_BASE + BCM2835_MBOX_READ) #endif /* _BCM2835_MBOXREG_H_ */ |