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ca8712b098
struct ofw_nexus_reg. Implement UPA device memory management in the nexus driver. Adapt the psycho driver to these changes, and do some minor cleanup work while being there.
73 lines
2.5 KiB
C
73 lines
2.5 KiB
C
/*
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* Copyright (c) 1998, 1999 Eduardo E. Horvath
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* Copyright (c) 1999 Matthew R. Green
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from: NetBSD: psychoreg.h,v 1.8 2001/09/10 16:17:06 eeh Exp
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*
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* $FreeBSD$
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*/
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#ifndef _MACHINE_OFW_UPA_H_
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#define _MACHINE_OFW_UPA_H_
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/*
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* These are the regs and ranges property the psycho uses. They should be
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* applicable to all UPA devices. XXX: verify this.
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*/
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struct upa_regs {
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u_int32_t phys_hi;
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u_int32_t phys_lo;
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u_int32_t size_hi;
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u_int32_t size_lo;
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};
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struct upa_ranges {
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u_int32_t cspace;
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u_int32_t child_hi;
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u_int32_t child_lo;
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u_int32_t phys_hi;
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u_int32_t phys_lo;
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u_int32_t size_hi;
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u_int32_t size_lo;
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};
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#define UPA_REG_PHYS(r) \
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(((u_int64_t)(r)->phys_hi << 32) | (u_int64_t)(r)->phys_lo)
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#define UPA_REG_SIZE(r) \
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(((u_int64_t)(r)->size_hi << 32) | (u_int64_t)(r)->size_lo)
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#define UPA_RANGE_CHILD(r) \
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(((u_int64_t)(r)->child_hi << 32) | (u_int64_t)(r)->child_lo)
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#define UPA_RANGE_PHYS(r) \
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(((u_int64_t)(r)->phys_hi << 32) | (u_int64_t)(r)->phys_lo)
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#define UPA_RANGE_SIZE(r) \
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(((u_int64_t)(r)->size_hi << 32) | (u_int64_t)(r)->size_lo)
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#define UPA_RANGE_CS(r) (((r)->cspace >> 24) & 0x03)
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#endif /* !_MACHINE_OFW_UPA_H_ */
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