1 /* $NetBSD: bcm2835_mboxreg.h,v 1.1 2012/08/20 07:45:24 skrll Exp $ */ 2 3 /*- 4 * Copyright (c) 2012 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Nick Hudson 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef _BCM2835_MBOXREG_H_ 33 #define _BCM2835_MBOXREG_H_ 34 35 /* mailbox 0 (from VC) and mailbox 1 (to VC) */ 36 #define BCM2835_MBOX_SIZE 0x80 37 38 #define BCM2835_MBOX_READ 0x00 39 #define BCM2835_MBOX_WRITE 0x00 40 #define BCM2835_MBOX_POLL 0x10 /* read without popping the fifo */ 41 #define BCM2835_MBOX_ID 0x14 /* sender ID (bottom two bits) */ 42 #define BCM2835_MBOX_STATUS 0x18 /* status */ 43 #define BCM2835_MBOX_STATUS_FULL 0x80000000 44 #define BCM2835_MBOX_STATUS_EMPTY 0x40000000 45 #define BCM2835_MBOX_STATUS_LEVEL 0x400000FF 46 #define BCM2835_MBOX_CFG 0x1C /* configuration */ 47 #define BCM2835_MBOX_CFG_DATAIRQEN 0x00000001 48 #define BCM2835_MBOX_CFG_SPACEIRQEN 0x00000002 49 #define BCM2835_MBOX_CFG_EMPTYOPIRQEN 0x00000004 50 #define BCM2835_MBOX_CFG_MAILCLEAR 0x00000008 51 #define BCM2835_MBOX_CFG_DATAPENDING 0x00000010 52 #define BCM2835_MBOX_CFG_SPACEPENDING 0x00000020 53 #define BCM2835_MBOX_CFG_EMPTYOPPENDING 0x00000040 54 #define BCM2835_MBOX_CFG_ENOOWN 0x00000100 55 #define BCM2835_MBOX_CFG_EOVERFLOW 0x00000200 56 #define BCM2835_MBOX_CFG_EUNDERFLOW 0x00000400 57 58 #define BCM2835_MBOX0_BASE 0x00 59 #define BCM2835_MBOX1_BASE 0x20 60 61 #define BCM2835_MBOX0_READ (BCM2835_MBOX0_BASE + BCM2835_MBOX_READ) 62 #define BCM2835_MBOX0_WRITE (BCM2835_MBOX0_BASE + BCM2835_MBOX_WRITE) 63 #define BCM2835_MBOX0_POLL (BCM2835_MBOX0_BASE + BCM2835_MBOX_POLL) 64 #define BCM2835_MBOX0_ID (BCM2835_MBOX0_BASE + BCM2835_MBOX_ID) 65 #define BCM2835_MBOX0_STATUS (BCM2835_MBOX0_BASE + BCM2835_MBOX_STATUS) 66 #define BCM2835_MBOX0_CFG (BCM2835_MBOX0_BASE + BCM2835_MBOX_READ) 67 68 #define BCM2835_MBOX1_READ (BCM2835_MBOX1_BASE + BCM2835_MBOX_READ) 69 #define BCM2835_MBOX1_WRITE (BCM2835_MBOX1_BASE + BCM2835_MBOX_WRITE) 70 #define BCM2835_MBOX1_POLL (BCM2835_MBOX1_BASE + BCM2835_MBOX_POLL) 71 #define BCM2835_MBOX1_ID (BCM2835_MBOX1_BASE + BCM2835_MBOX_ID) 72 #define BCM2835_MBOX1_STATUS (BCM2835_MBOX1_BASE + BCM2835_MBOX_STATUS) 73 #define BCM2835_MBOX1_CFG (BCM2835_MBOX1_BASE + BCM2835_MBOX_READ) 74 75 #endif /* _BCM2835_MBOXREG_H_ */ 76
Indexes created Tue Sep 30 11:09:46 GMT 2025