62 lines
2.3 KiB
C
62 lines
2.3 KiB
C
/* $NetBSD: screg.h,v 1.2 2008/04/28 20:24:01 martin Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 2001 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to The NetBSD Foundation
|
|
* by Matthew Fredette.
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
/*
|
|
* Register map for the Sun2 SCSI Interface (sc)
|
|
*/
|
|
|
|
#if __for_reference_only__
|
|
struct sunsc_regs {
|
|
u_char sunsc_data; /* data register */
|
|
u_char sunsc_unused0;
|
|
u_char sunsc_cmd_stat; /* command/status register */
|
|
u_char sunsc_unused1;
|
|
u_short sunsc_icr; /* interface control register */
|
|
u_short sunsc_unused2;
|
|
u_short sunsc_dma_addr_h; /* DMA address, high 16 */
|
|
u_short sunsc_dma_addr_l; /* DMA address, low 16 */
|
|
u_short sunsc_dma_count;/* DMA count */
|
|
u_char sunsc_unused3;
|
|
u_char sunsc_intvec; /* interrupt vector (VME only) */
|
|
};
|
|
#endif
|
|
|
|
/* Register offsets. */
|
|
#define SCREG_DATA (0)
|
|
#define SCREG_CMD_STAT (2)
|
|
#define SCREG_ICR (4)
|
|
#define SCREG_DMA_ADDR_H (8)
|
|
#define SCREG_DMA_ADDR_L (10)
|
|
#define SCREG_DMA_COUNT (12)
|
|
#define SCREG_INTVEC (15)
|
|
#define SCREG_BANK_SZ (16)
|
|
|