diff options
author | Miod Vallat <miod@cvs.openbsd.org> | 2002-05-02 22:56:08 +0000 |
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committer | Miod Vallat <miod@cvs.openbsd.org> | 2002-05-02 22:56:08 +0000 |
commit | f69ff2bae348f49f6e5fccbf1594b839e98792ef (patch) | |
tree | 984c07207f03eebcb847988db98df196a848c27e /sys/arch/alpha/tc/tc_dma_3000_300.c | |
parent | d7aff648af7518e317842f78e06a3d197eca9629 (diff) |
Big TURBOchannel support catchup from NetBSD, part 1.
A few local changes and tweaks remain.
This bring DEC 3000 machines back in the game, but framebuffers are still
not supported at the moment.
Thanks to ericj@ and nate@ for supplying me a DEC 3000 for testing.
Diffstat (limited to 'sys/arch/alpha/tc/tc_dma_3000_300.c')
-rw-r--r-- | sys/arch/alpha/tc/tc_dma_3000_300.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/sys/arch/alpha/tc/tc_dma_3000_300.c b/sys/arch/alpha/tc/tc_dma_3000_300.c new file mode 100644 index 00000000000..e010cacf141 --- /dev/null +++ b/sys/arch/alpha/tc/tc_dma_3000_300.c @@ -0,0 +1,58 @@ +/* $OpenBSD: tc_dma_3000_300.c,v 1.1 2002/05/02 22:56:06 miod Exp $ */ +/* $NetBSD: tc_dma_3000_300.c,v 1.3 1997/09/02 13:20:29 thorpej Exp $ */ + +/*- + * Copyright (c) 1997 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, + * NASA Ames Research Center. + * + * 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. + */ + +#include <sys/param.h> + +#include <machine/bus.h> + +#include <alpha/tc/tc_dma_3000_300.h> + +/* + * Return the DMA tag for the given slot. + */ +bus_dma_tag_t +tc_dma_get_tag_3000_300(slot) + int slot; +{ + extern struct alpha_bus_dma_tag tc_dmat_direct; + + /* Pelicans don't have SGMAPs. */ + return (&tc_dmat_direct); +} |