NetBSD/sys/arch/powerpc/include/oea/sr_601.h

73 lines
3.0 KiB
C

/* $NetBSD: sr_601.h,v 1.1 2003/02/03 17:10:06 matt Exp $ */
/*-
* Copyright (c) 2002 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Klaus J. Klein.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* 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 _POWERPC_OEA_SR_601_H_
#define _POWERPC_OEA_SR_601_H_
/*
* I/O Controller Interface Address Translation segment register
* format specific to the PowerPC 601, per PowerPC 601 RISC
* Microprocessor User's Manual, section 6.10.1.
*
* This format applies to a segment register only when its T bit is set.
*/
#define SR601_T 0x80000000 /* Selects this format */
#define SR601_Ks 0x40000000 /* Key-supervisor */
#define SR601_Ku 0x20000000 /* Key-user */
#define SR601_BUID 0x1ff00000 /* Bus unit ID */
#define SR601_BUID_SHFT 20
#define SR601_CSI 0x000ffff0 /* Controller Specific Information */
#define SR601_CSI_SHFT 4
#define SR601_PACKET1 0x0000000f /* Address bits 0:3 of packet 1 cycle */
#define SR601_BUID_MEMFORCED 0x07f /* Translate to memory access, taking
PA[0:3] from the PACKET1 field */
#define SR601(key, buid, csi, p1) \
(SR601_T | \
(key) | \
(buid) << SR601_BUID_SHFT | \
(csi) << SR601_CSI_SHFT | (p1))
#ifdef _KERNEL
void mpc601_ioseg_add(paddr_t, register_t);
#endif
#endif /* !_POWERPC_OEA_SR_601_H_ */