diff options
author | Dale Rahn <drahn@cvs.openbsd.org> | 2004-12-30 23:50:08 +0000 |
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committer | Dale Rahn <drahn@cvs.openbsd.org> | 2004-12-30 23:50:08 +0000 |
commit | 3e2923d918820b57513c2f1a63841ef8a23bbd26 (patch) | |
tree | a17ba84997c10b54a3e4c6f3d97dcefb2b83d7b8 /sys/arch/arm/xscale/pxa2x0_dma.c | |
parent | 5964e793205ec0e85b0e4a9fdf19a469788eb6f4 (diff) |
xscale bits, taken from NetBSD with modifications as appropriate for OpenBSD.
Diffstat (limited to 'sys/arch/arm/xscale/pxa2x0_dma.c')
-rw-r--r-- | sys/arch/arm/xscale/pxa2x0_dma.c | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/sys/arch/arm/xscale/pxa2x0_dma.c b/sys/arch/arm/xscale/pxa2x0_dma.c new file mode 100644 index 00000000000..14c655e2486 --- /dev/null +++ b/sys/arch/arm/xscale/pxa2x0_dma.c @@ -0,0 +1,75 @@ +/* $NetBSD: pxa2x0_dma.c,v 1.3 2003/08/07 16:58:35 bsh Exp $ */ + +/* + * Copyright (c) 2002 Genetec Corporation. All rights reserved. + * Written by Hiroyuki Bessho for Genetec Corporation. + * + * 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 + * Genetec Corporation. + * 4. The name of Genetec Corporation may not be used to endorse or + * promote products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY GENETEC CORPORATION ``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 GENETEC CORPORATION + * 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 dma tag for PXA2[15]0 processor. + * (Currently used only for LCD frame buffer) + */ + +#include <sys/cdefs.h> +/* +__KERNEL_RCSID(0, "$NetBSD: pxa2x0_dma.c,v 1.3 2003/08/07 16:58:35 bsh Exp $"); +*/ + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/device.h> +#include <sys/malloc.h> +#include <sys/mbuf.h> + +#include <uvm/uvm_extern.h> + +#define _ARM32_BUS_DMA_PRIVATE +#include <machine/bus.h> + +struct arm32_bus_dma_tag pxa2x0_bus_dma_tag = { + 0, + 0, + NULL, + _bus_dmamap_create, + _bus_dmamap_destroy, + _bus_dmamap_load, + _bus_dmamap_load_mbuf, + _bus_dmamap_load_uio, + _bus_dmamap_load_raw, + _bus_dmamap_unload, + _bus_dmamap_sync, + _bus_dmamem_alloc, + _bus_dmamem_free, + _bus_dmamem_map, + _bus_dmamem_unmap, + _bus_dmamem_mmap, +}; + |