149 lines
4.8 KiB
C
149 lines
4.8 KiB
C
/* $NetBSD: ixp425_ixme.c,v 1.1 2006/12/10 10:01:49 scw Exp $ */
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/*-
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* Copyright (c) 2006 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 Steve C. Woodford.
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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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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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 <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: ixp425_ixme.c,v 1.1 2006/12/10 10:01:49 scw Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/device.h>
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#define _ARM32_BUS_DMA_PRIVATE
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#include <machine/bus.h>
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#include <arm/xscale/ixp425var.h>
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#include <arm/xscale/ixp425_qmgr.h>
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#include <arm/xscale/ixp425_ixmevar.h>
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#include "locators.h"
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static int ixme_match(struct device *, struct cfdata *, void *);
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static void ixme_attach(struct device *, struct device *, void *);
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static int ixme_search(struct device *, struct cfdata *, const int *,
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void *);
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static int ixme_print(void *, const char *);
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struct ixme_softc {
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struct device sc_dev;
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struct arm32_dma_range sc_dr;
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struct arm32_bus_dma_tag sc_dt;
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void *sc_qmgr;
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};
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CFATTACH_DECL(ixme, sizeof(struct ixme_softc),
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ixme_match, ixme_attach, NULL, NULL);
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static int
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ixme_match(struct device *parent, struct cfdata *self, void *arg)
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{
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return (1);
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}
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static void
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ixme_attach(struct device *parent, struct device *self, void *arg)
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{
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struct ixme_softc *sc = (void *)self;
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extern paddr_t physical_start, physical_end;
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aprint_naive("\n");
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aprint_normal(": IXP4xx MicroEngine Support\n");
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sc->sc_qmgr = ixpqmgr_init(&ixp425_bs_tag);
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if (sc->sc_qmgr == NULL) {
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panic("%s: ixme_attach: Failed to init Queue Manager",
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sc->sc_dev.dv_xname);
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}
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sc->sc_dr.dr_sysbase = physical_start;
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sc->sc_dr.dr_busbase = 0;
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sc->sc_dr.dr_len = physical_end - physical_start;
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sc->sc_dt._ranges = &sc->sc_dr;
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sc->sc_dt._nranges = 1;
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sc->sc_dt._dmamap_create = _bus_dmamap_create;
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sc->sc_dt._dmamap_destroy = _bus_dmamap_destroy;
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sc->sc_dt._dmamap_load = _bus_dmamap_load;
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sc->sc_dt._dmamap_load_mbuf = _bus_dmamap_load_mbuf;
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sc->sc_dt._dmamap_load_uio = _bus_dmamap_load_uio;
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sc->sc_dt._dmamap_load_raw = _bus_dmamap_load_raw;
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sc->sc_dt._dmamap_unload = _bus_dmamap_unload;
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sc->sc_dt._dmamap_sync_pre = _bus_dmamap_sync;
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sc->sc_dt._dmamap_sync_post = NULL;
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sc->sc_dt._dmamem_alloc = _bus_dmamem_alloc;
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sc->sc_dt._dmamem_free = _bus_dmamem_free;
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sc->sc_dt._dmamem_map = _bus_dmamem_map;
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sc->sc_dt._dmamem_unmap = _bus_dmamem_unmap;
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sc->sc_dt._dmamem_mmap = _bus_dmamem_mmap;
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config_search_ia(ixme_search, self, "ixme", NULL);
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}
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static int
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ixme_search(struct device *parent, struct cfdata *cf, const int *ldesc,
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void *arg)
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{
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struct ixme_softc *sc = (void *)parent;
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struct ixme_attach_args ixa;
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if (cf->cf_loc[IXMECF_NPE] < 0 || cf->cf_loc[IXMECF_NPE] > 2)
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return (0);
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ixa.ixa_iot = &ixp425_bs_tag;
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ixa.ixa_dt = &sc->sc_dt;
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ixa.ixa_npe = cf->cf_loc[IXMECF_NPE];
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if (config_match(parent, cf, &ixa) > 0) {
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config_attach(parent, cf, &ixa, ixme_print);
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return (1);
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}
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return (0);
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}
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static int
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ixme_print(void *arg, const char *name)
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{
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struct ixme_attach_args *ixa = arg;
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aprint_normal(" NPE-%c", 'A' + ixa->ixa_npe);
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return (UNCONF);
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}
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