freebsd-skq/sys/arm/xscale/ixp425/ixp425_a4x_space.c
Rafal Jaworowski 47e972c91a Refactor certain ARM bus space methods: instead of having multiple copies of
the same code introduce sys/arm/arm/bus_space_generic.c for a shared set of
routines.

Reviewed by:	sam
Approved by:	cognet (mentor)
2008-04-03 18:22:08 +00:00

116 lines
3.3 KiB
C

/* $NetBSD: ixp425_a4x_space.c,v 1.2 2005/12/11 12:16:51 christos Exp $ */
/*
* Copyright 2003 Wasabi Systems, Inc.
* All rights reserved.
*
* Written by Steve C. Woodford for Wasabi Systems, Inc.
*
* 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 for the NetBSD Project by
* Wasabi Systems, Inc.
* 4. The name of Wasabi Systems, Inc. may not be used to endorse
* or promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``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 WASABI SYSTEMS, INC
* 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.
*/
/*
* Bus space tag for 8/16-bit devices on 32-bit bus.
* all registers are located at the address of multiple of 4.
*
* Based on pxa2x0_a4x_space.c
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/bus.h>
#include <machine/pcb.h>
#include <vm/vm.h>
#include <vm/vm_kern.h>
#include <vm/pmap.h>
#include <vm/vm_page.h>
#include <vm/vm_extern.h>
#include <machine/bus.h>
/* Prototypes for all the bus_space structure functions */
bs_protos(a4x);
bs_protos(generic);
bs_protos(generic_armv4);
struct bus_space ixp425_a4x_bs_tag = {
/* cookie */
.bs_cookie = (void *) 0,
/* mapping/unmapping */
.bs_map = generic_bs_map,
.bs_unmap = generic_bs_unmap,
.bs_subregion = generic_bs_subregion,
/* allocation/deallocation */
.bs_alloc = generic_bs_alloc, /* XXX not implemented */
.bs_free = generic_bs_free, /* XXX not implemented */
/* barrier */
.bs_barrier = generic_bs_barrier,
/* read (single) */
.bs_r_1 = a4x_bs_r_1,
.bs_r_2 = a4x_bs_r_2,
.bs_r_4 = a4x_bs_r_4,
/* read multiple */
.bs_rm_1 = a4x_bs_rm_1,
.bs_rm_2 = a4x_bs_rm_2,
/* read region */
/* XXX not implemented */
/* write (single) */
.bs_w_1 = a4x_bs_w_1,
.bs_w_2 = a4x_bs_w_2,
.bs_w_4 = a4x_bs_w_4,
/* write multiple */
.bs_wm_1 = a4x_bs_wm_1,
.bs_wm_2 = a4x_bs_wm_2,
/* write region */
/* XXX not implemented */
/* set multiple */
/* XXX not implemented */
/* set region */
/* XXX not implemented */
/* copy */
/* XXX not implemented */
};