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      1 /* $Id: imx23_apbxdmareg.h,v 1.2 2013/03/03 10:33:56 jkunz 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 Petri Laakso.
      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 _ARM_IMX_IMX23_APBXDMAREG_H_
     33 #define _ARM_IMX_IMX23_APBXDMAREG_H_
     34 
     35 #include <sys/cdefs.h>
     36 
     37 #define HW_APBXDMA_BASE 		0x80024000
     38 #define HW_APBXDMA_SIZE 		0x2000 /* 8 kB */
     39 
     40 /*
     41  * APBX DMA Channel 0 Current Command Address Register.
     42  */
     43 #define HW_APBX_CH0_CURCMDAR		0x100
     44 
     45 #define HW_APBX_CH0_CURCMDAR_CMD_ADDR	__BITS(31, 0)
     46 
     47 /*
     48  * APBX DMA Channel 0 Next Command Address Register.
     49  */
     50 #define HW_APBX_CH0_NXTCMDAR		0x110
     51 
     52 #define HW_APBX_CH0_NXTCMDAR_CMD_ADDR	__BITS(31, 0)
     53 
     54 /*
     55  * APBX DMA Channel 0 Semaphore Register.
     56  */
     57 #define HW_APBX_CH0_SEMA		0x140
     58 
     59 #define HW_APBX_CH0_SEMA_RSVD2		__BITS(31, 24)
     60 #define HW_APBX_CH0_SEMA_PHORE		__BITS(23, 16)
     61 #define HW_APBX_CH0_SEMA_RSVD1		__BITS(15, 8)
     62 #define HW_APBX_CH0_SEMA_INCREMENT_SEMA	__BITS(7, 0)
     63 
     64 #endif /* !_ARM_IMX_IMX23_APBXDMAREG_H_ */
     65