89 lines
2.9 KiB
C
89 lines
2.9 KiB
C
/*-
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* Copyright (c) 2013 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Matt Thomas of 3am Software Foundry.
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "locators.h"
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#include <sys/cdefs.h>
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__KERNEL_RCSID(1, "$NetBSD: awin_nand.c,v 1.2 2014/02/20 21:48:38 matt Exp $");
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#include <sys/param.h>
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#include <sys/bus.h>
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#include <sys/device.h>
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#include <sys/intr.h>
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#include <sys/systm.h>
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#include <arm/allwinner/awin_reg.h>
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#include <arm/allwinner/awin_var.h>
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static int awin_nand_match(device_t, cfdata_t, void *);
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static void awin_nand_attach(device_t, device_t, void *);
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struct awin_nand_softc {
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device_t sc_dev;
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bus_space_tag_t sc_bst;
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bus_space_handle_t sc_bsh;
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bus_dma_tag_t sc_dmat;
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};
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CFATTACH_DECL_NEW(awin_nand, sizeof(struct awin_nand_softc),
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awin_nand_match, awin_nand_attach, NULL, NULL);
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static int
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awin_nand_match(device_t parent, cfdata_t cf, void *aux)
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{
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struct awinio_attach_args * const aio = aux;
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const struct awin_locators * const loc = &aio->aio_loc;
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if (strcmp(cf->cf_name, loc->loc_name))
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return 0;
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KASSERT(cf->cf_loc[AWINIOCF_PORT] == AWINIOCF_PORT_DEFAULT);
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return 1;
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}
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static void
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awin_nand_attach(device_t parent, device_t self, void *aux)
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{
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struct awin_nand_softc * const sc = device_private(self);
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struct awinio_attach_args * const aio = aux;
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const struct awin_locators * const loc = &aio->aio_loc;
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sc->sc_dev = self;
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sc->sc_bst = aio->aio_core_bst;
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sc->sc_dmat = aio->aio_dmat;
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bus_space_subregion(sc->sc_bst, aio->aio_core_bsh,
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loc->loc_offset, loc->loc_size, &sc->sc_bsh);
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aprint_naive("\n");
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aprint_normal("\n");
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}
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