if_ze.c revision 1.14
1 /* $NetBSD: if_ze.c,v 1.14 2008/03/14 20:49:29 jkunz Exp $ */ 2 /* 3 * Copyright (c) 1999 Ludd, University of Lule}, Sweden. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed at Ludd, University of 16 * Lule}, Sweden and its contributors. 17 * 4. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 __KERNEL_RCSID(0, "$NetBSD: if_ze.c,v 1.14 2008/03/14 20:49:29 jkunz Exp $"); 34 35 #include "opt_cputype.h" 36 37 #include <sys/param.h> 38 #include <sys/socket.h> 39 #include <sys/device.h> 40 #include <sys/systm.h> 41 #include <sys/sockio.h> 42 43 #include <net/if.h> 44 #include <net/if_ether.h> 45 #include <net/if_dl.h> 46 47 #include <netinet/in.h> 48 #include <netinet/if_inarp.h> 49 50 #if NBPFILTER > 0 51 #include <net/bpf.h> 52 #include <net/bpfdesc.h> 53 #endif 54 55 #include <machine/bus.h> 56 #include <machine/nexus.h> 57 #include <machine/cpu.h> 58 #include <machine/scb.h> 59 #include <machine/sid.h> 60 #include <machine/mainbus.h> 61 62 #include <dev/ic/sgecreg.h> 63 #include <dev/ic/sgecvar.h> 64 65 #include "ioconf.h" 66 67 /* 68 * Addresses. 69 */ 70 #define SGECADDR 0x20008000 71 #define NISA_ROM 0x20084000 72 #define NISA_ROM_VXT 0x200c4000 73 #define NISA_ROM_VSBUS 0x27800000 74 #define SGECVEC 0x108 75 76 static int ze_mainbus_match(device_t, cfdata_t, void *); 77 static void ze_mainbus_attach(device_t, device_t, void *); 78 79 static const struct sgec_data { 80 uint32_t sd_boardtype; 81 bus_addr_t sd_addr; 82 bus_addr_t sd_rom; 83 uint16_t sd_intvec; 84 uint8_t sd_romshift; 85 } sgec_data[] = { 86 { VAX_BTYP_660, SGECADDR, NISA_ROM, SGECVEC, 24, }, 87 #if VXT2000 || VAXANY 88 { VAX_BTYP_VXT, SGECADDR, NISA_ROM_VXT, 0x200, 0, }, 89 #endif 90 { VAX_BTYP_670, SGECADDR, NISA_ROM, SGECVEC, 24, }, 91 { VAX_BTYP_680, SGECADDR, NISA_ROM, SGECVEC, 24, }, 92 { VAX_BTYP_681, SGECADDR, NISA_ROM, SGECVEC, 24, }, 93 { VAX_BTYP_48, SGECADDR, NISA_ROM_VSBUS, SGECVEC, 0, }, 94 { VAX_BTYP_49, SGECADDR, NISA_ROM_VSBUS, SGECVEC, 0, }, 95 { VAX_BTYP_53, SGECADDR, NISA_ROM, SGECVEC, 8, }, 96 }; 97 98 static const struct sgec_data * 99 ze_find(void) 100 { 101 size_t i; 102 const struct sgec_data *sd; 103 for (i = 0, sd = sgec_data; i < __arraycount(sgec_data); i++, sd++) { 104 if (vax_boardtype == sd->sd_boardtype) 105 return sd; 106 } 107 108 return NULL; 109 } 110 111 CFATTACH_DECL_NEW(ze_mainbus, sizeof(struct ze_softc), 112 ze_mainbus_match, ze_mainbus_attach, NULL, NULL); 113 114 /* 115 * Check for present SGEC. 116 */ 117 int 118 ze_mainbus_match(device_t parent, cfdata_t cf, void *aux) 119 { 120 struct mainbus_attach_args * const ma = aux; 121 122 /* 123 * Should some more intelligent checking be done??? 124 */ 125 if (strcmp(ma->ma_type, "sgec")) 126 return 0; 127 128 return ze_find() != NULL; 129 } 130 131 /* 132 * Interface exists: make available by filling in network interface 133 * record. System will initialize the interface when it is ready 134 * to accept packets. 135 */ 136 void 137 ze_mainbus_attach(device_t parent, device_t self, void *aux) 138 { 139 struct mainbus_attach_args * const ma = aux; 140 struct ze_softc * const sc = device_private(self); 141 const struct sgec_data * const sd = ze_find(); 142 const uint32_t *ea; 143 size_t i; 144 int error; 145 146 sc->sc_dev = self; 147 148 /* 149 * Map in SGEC registers. 150 */ 151 sc->sc_dmat = ma->ma_dmat; 152 sc->sc_iot = ma->ma_iot; 153 sc->sc_intvec = sd->sd_intvec; 154 error = bus_space_map(sc->sc_iot, sd->sd_addr, PAGE_SIZE, 0, 155 &sc->sc_ioh); 156 if (error) { 157 aprint_error(": failed to map %#lx: %d\n", sd->sd_addr, error); 158 return; 159 } 160 161 /* 162 * Map in, read and release ethernet rom address. 163 */ 164 ea = (uint32_t *)vax_map_physmem(sd->sd_rom, 1); 165 for (i = 0; i < ETHER_ADDR_LEN; i++) 166 sc->sc_enaddr[i] = (ea[i] >> sd->sd_romshift) & 0377; 167 vax_unmap_physmem((vaddr_t)ea, 1); 168 169 scb_vecalloc(sc->sc_intvec, (void (*)(void *)) sgec_intr, sc, 170 SCB_ISTACK, &sc->sc_intrcnt); 171 172 sgec_attach(sc); 173 } 174
Indexes created Tue Sep 23 22:09:46 GMT 2025