/* $NetBSD: ixp425_ixme.c,v 1.2 2008/04/28 20:23:14 martin Exp $ */ /*- * Copyright (c) 2006 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Steve C. Woodford. * * 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. * * 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/cdefs.h> __KERNEL_RCSID(0, "$NetBSD: ixp425_ixme.c,v 1.2 2008/04/28 20:23:14 martin Exp $"); #include <sys/param.h> #include <sys/systm.h> #include <sys/kernel.h> #include <sys/device.h> #define _ARM32_BUS_DMA_PRIVATE #include <machine/bus.h> #include <arm/xscale/ixp425var.h> #include <arm/xscale/ixp425_qmgr.h> #include <arm/xscale/ixp425_ixmevar.h> #include "locators.h" static int ixme_match(struct device *, struct cfdata *, void *); static void ixme_attach(struct device *, struct device *, void *); static int ixme_search(struct device *, struct cfdata *, const int *, void *); static int ixme_print(void *, const char *); struct ixme_softc { struct device sc_dev; struct arm32_dma_range sc_dr; struct arm32_bus_dma_tag sc_dt; void *sc_qmgr; }; CFATTACH_DECL(ixme, sizeof(struct ixme_softc), ixme_match, ixme_attach, NULL, NULL); static int ixme_match(struct device *parent, struct cfdata *self, void *arg) { return (1); } static void ixme_attach(struct device *parent, struct device *self, void *arg) { struct ixme_softc *sc = (void *)self; extern paddr_t physical_start, physical_end; aprint_naive("\n"); aprint_normal(": IXP4xx MicroEngine Support\n"); sc->sc_qmgr = ixpqmgr_init(&ixp425_bs_tag); if (sc->sc_qmgr == NULL) { panic("%s: ixme_attach: Failed to init Queue Manager", sc->sc_dev.dv_xname); } sc->sc_dr.dr_sysbase = physical_start; sc->sc_dr.dr_busbase = 0; sc->sc_dr.dr_len = physical_end - physical_start; sc->sc_dt._ranges = &sc->sc_dr; sc->sc_dt._nranges = 1; sc->sc_dt._dmamap_create = _bus_dmamap_create; sc->sc_dt._dmamap_destroy = _bus_dmamap_destroy; sc->sc_dt._dmamap_load = _bus_dmamap_load; sc->sc_dt._dmamap_load_mbuf = _bus_dmamap_load_mbuf; sc->sc_dt._dmamap_load_uio = _bus_dmamap_load_uio; sc->sc_dt._dmamap_load_raw = _bus_dmamap_load_raw; sc->sc_dt._dmamap_unload = _bus_dmamap_unload; sc->sc_dt._dmamap_sync_pre = _bus_dmamap_sync; sc->sc_dt._dmamap_sync_post = NULL; sc->sc_dt._dmamem_alloc = _bus_dmamem_alloc; sc->sc_dt._dmamem_free = _bus_dmamem_free; sc->sc_dt._dmamem_map = _bus_dmamem_map; sc->sc_dt._dmamem_unmap = _bus_dmamem_unmap; sc->sc_dt._dmamem_mmap = _bus_dmamem_mmap; config_search_ia(ixme_search, self, "ixme", NULL); } static int ixme_search(struct device *parent, struct cfdata *cf, const int *ldesc, void *arg) { struct ixme_softc *sc = (void *)parent; struct ixme_attach_args ixa; if (cf->cf_loc[IXMECF_NPE] < 0 || cf->cf_loc[IXMECF_NPE] > 2) return (0); ixa.ixa_iot = &ixp425_bs_tag; ixa.ixa_dt = &sc->sc_dt; ixa.ixa_npe = cf->cf_loc[IXMECF_NPE]; if (config_match(parent, cf, &ixa) > 0) { config_attach(parent, cf, &ixa, ixme_print); return (1); } return (0); } static int ixme_print(void *arg, const char *name) { struct ixme_attach_args *ixa = arg; aprint_normal(" NPE-%c", 'A' + ixa->ixa_npe); return (UNCONF); }