ixp425_ixme.c revision 1.1
1 /* $NetBSD: ixp425_ixme.c,v 1.1 2006/12/10 10:01:49 scw Exp $ */ 2 3 /*- 4 * Copyright (c) 2006 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Steve C. Woodford. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #include <sys/cdefs.h> 40 __KERNEL_RCSID(0, "$NetBSD: ixp425_ixme.c,v 1.1 2006/12/10 10:01:49 scw Exp $"); 41 42 #include <sys/param.h> 43 #include <sys/systm.h> 44 #include <sys/kernel.h> 45 #include <sys/device.h> 46 47 #define _ARM32_BUS_DMA_PRIVATE 48 #include <machine/bus.h> 49 50 #include <arm/xscale/ixp425var.h> 51 #include <arm/xscale/ixp425_qmgr.h> 52 #include <arm/xscale/ixp425_ixmevar.h> 53 54 #include "locators.h" 55 56 static int ixme_match(struct device *, struct cfdata *, void *); 57 static void ixme_attach(struct device *, struct device *, void *); 58 static int ixme_search(struct device *, struct cfdata *, const int *, 59 void *); 60 static int ixme_print(void *, const char *); 61 62 struct ixme_softc { 63 struct device sc_dev; 64 struct arm32_dma_range sc_dr; 65 struct arm32_bus_dma_tag sc_dt; 66 void *sc_qmgr; 67 }; 68 69 CFATTACH_DECL(ixme, sizeof(struct ixme_softc), 70 ixme_match, ixme_attach, NULL, NULL); 71 72 static int 73 ixme_match(struct device *parent, struct cfdata *self, void *arg) 74 { 75 76 return (1); 77 } 78 79 static void 80 ixme_attach(struct device *parent, struct device *self, void *arg) 81 { 82 struct ixme_softc *sc = (void *)self; 83 extern paddr_t physical_start, physical_end; 84 85 aprint_naive("\n"); 86 aprint_normal(": IXP4xx MicroEngine Support\n"); 87 88 sc->sc_qmgr = ixpqmgr_init(&ixp425_bs_tag); 89 if (sc->sc_qmgr == NULL) { 90 panic("%s: ixme_attach: Failed to init Queue Manager", 91 sc->sc_dev.dv_xname); 92 } 93 94 sc->sc_dr.dr_sysbase = physical_start; 95 sc->sc_dr.dr_busbase = 0; 96 sc->sc_dr.dr_len = physical_end - physical_start; 97 sc->sc_dt._ranges = &sc->sc_dr; 98 sc->sc_dt._nranges = 1; 99 100 sc->sc_dt._dmamap_create = _bus_dmamap_create; 101 sc->sc_dt._dmamap_destroy = _bus_dmamap_destroy; 102 sc->sc_dt._dmamap_load = _bus_dmamap_load; 103 sc->sc_dt._dmamap_load_mbuf = _bus_dmamap_load_mbuf; 104 sc->sc_dt._dmamap_load_uio = _bus_dmamap_load_uio; 105 sc->sc_dt._dmamap_load_raw = _bus_dmamap_load_raw; 106 sc->sc_dt._dmamap_unload = _bus_dmamap_unload; 107 sc->sc_dt._dmamap_sync_pre = _bus_dmamap_sync; 108 sc->sc_dt._dmamap_sync_post = NULL; 109 sc->sc_dt._dmamem_alloc = _bus_dmamem_alloc; 110 sc->sc_dt._dmamem_free = _bus_dmamem_free; 111 sc->sc_dt._dmamem_map = _bus_dmamem_map; 112 sc->sc_dt._dmamem_unmap = _bus_dmamem_unmap; 113 sc->sc_dt._dmamem_mmap = _bus_dmamem_mmap; 114 115 config_search_ia(ixme_search, self, "ixme", NULL); 116 } 117 118 static int 119 ixme_search(struct device *parent, struct cfdata *cf, const int *ldesc, 120 void *arg) 121 { 122 struct ixme_softc *sc = (void *)parent; 123 struct ixme_attach_args ixa; 124 125 if (cf->cf_loc[IXMECF_NPE] < 0 || cf->cf_loc[IXMECF_NPE] > 2) 126 return (0); 127 128 ixa.ixa_iot = &ixp425_bs_tag; 129 ixa.ixa_dt = &sc->sc_dt; 130 ixa.ixa_npe = cf->cf_loc[IXMECF_NPE]; 131 132 if (config_match(parent, cf, &ixa) > 0) { 133 config_attach(parent, cf, &ixa, ixme_print); 134 return (1); 135 } 136 137 return (0); 138 } 139 140 static int 141 ixme_print(void *arg, const char *name) 142 { 143 struct ixme_attach_args *ixa = arg; 144 145 aprint_normal(" NPE-%c", 'A' + ixa->ixa_npe); 146 147 return (UNCONF); 148 } 149
Indexes created Mon Sep 29 21:09:56 GMT 2025