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/* $OpenBSD: footbridge_machdep.c,v 1.1 2004/02/01 05:09:49 drahn Exp $ */
/* $NetBSD: footbridge_machdep.c,v 1.8 2002/05/03 16:45:22 rjs Exp $ */
/*
* Copyright (c) 1997 Mark Brinicombe.
* Copyright (c) 1997 Causality Limited
* All rights reserved.
*
* 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 Mark Brinicombe
* for the NetBSD Project.
* 4. The name of the company nor the name of the author may be used to
* endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <uvm/uvm_extern.h>
#include <machine/pmap.h>
#include <arm/footbridge/footbridge.h>
#include <arm/footbridge/dc21285mem.h>
/*
* For optimal cache cleaning we need two 16K banks of
* virtual address space that NOTHING else will access
* and then we alternate the cache cleaning between the
* two banks.
* The cache cleaning code requires requires 2 banks aligned
* on total size boundry so the banks can be alternated by
* eorring the size bit (assumes the bank size is a power of 2)
*
* On the DC21285 we have a special cache clean area so we will
* use it.
*/
extern unsigned int sa1_cache_clean_addr;
extern unsigned int sa1_cache_clean_size;
void
footbridge_sa110_cc_setup(void)
{
sa1_cache_clean_addr = DC21285_CACHE_FLUSH_VBASE;
sa1_cache_clean_size = (PAGE_SIZE * 4);
}
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