1 /* $NetBSD: if_sn_ap.c,v 1.5 2002/10/02 04:27:51 thorpej Exp $ */ 2 3 /* 4 * Copyright (C) 1997 Allen Briggs 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Allen Briggs 18 * 4. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include "opt_inet.h" 34 35 #include <sys/param.h> 36 #include <sys/device.h> 37 #include <sys/errno.h> 38 #include <sys/ioctl.h> 39 #include <sys/socket.h> 40 #include <sys/syslog.h> 41 #include <sys/systm.h> 42 43 #include <net/if.h> 44 #include <net/if_ether.h> 45 46 #include <machine/cpu.h> 47 #include <machine/adrsmap.h> 48 49 #include <newsmips/apbus/apbusvar.h> 50 #include <newsmips/apbus/if_snreg.h> 51 #include <newsmips/apbus/if_snvar.h> 52 53 #define SONIC_MACROM_OFFSET 0x40 54 55 #define SONIC_APBUS_REG_OFFSET 0x00010000 56 #define SONIC_APBUS_MEM_OFFSET 0x00020000 57 #define SONIC_APBUS_CTL_OFFSET (-0x00100000) 58 59 static int sn_ap_match __P((struct device *, struct cfdata *, void *)); 60 static void sn_ap_attach __P((struct device *, struct device *, void *)); 61 static int sn_ap_getaddr __P((struct sn_softc *, u_int8_t *)); 62 63 CFATTACH_DECL(sn_ap, sizeof(struct sn_softc), 64 sn_ap_match, sn_ap_attach, NULL, NULL); 65 66 static int 67 sn_ap_match(parent, cf, aux) 68 struct device *parent; 69 struct cfdata *cf; 70 void *aux; 71 { 72 struct apbus_attach_args *apa = aux; 73 74 if (strcmp(apa->apa_name, "sonic") != 0) 75 return 0; 76 77 return 1; 78 } 79 80 /* 81 * Install interface into kernel networking data structures 82 */ 83 static void 84 sn_ap_attach(parent, self, aux) 85 struct device *parent, *self; 86 void *aux; 87 { 88 struct sn_softc *sc = (void *)self; 89 struct apbus_attach_args *apa = aux; 90 u_int8_t myaddr[ETHER_ADDR_LEN]; 91 u_int intrmask; 92 93 sc->sc_hwbase = (caddr_t)apa->apa_hwbase; 94 sc->sc_regbase = (void *)(apa->apa_hwbase + SONIC_APBUS_REG_OFFSET); 95 sc->space = (void *)(apa->apa_hwbase + SONIC_APBUS_MEM_OFFSET); 96 97 printf(" slot%d addr 0x%lx", apa->apa_slotno, apa->apa_hwbase); 98 99 sc->snr_dcr = DCR_WAIT0 | DCR_DMABLOCK | DCR_RFT16 | DCR_TFT16; 100 sc->snr_dcr2 = 0; 101 sc->snr_dcr |= DCR_EXBUS; 102 sc->bitmode = 1; 103 104 if (sn_ap_getaddr(sc, myaddr)) { 105 printf(": failed to get MAC address\n"); 106 return; 107 } 108 109 printf("\n"); 110 111 /* snsetup returns 1 if something fails */ 112 if (snsetup(sc, myaddr)) 113 return; 114 115 intrmask = (apa->apa_slotno == 0) ? 116 NEWS5000_INT0_SONIC : SLOTTOMASK(apa->apa_slotno); 117 118 apbus_intr_establish(0, /* interrupt level (0 or 1) */ 119 intrmask, 120 0, /* priority */ 121 snintr, sc, apa->apa_name, apa->apa_ctlnum); 122 } 123 124 int 125 sn_ap_getaddr(sc, lladdr) 126 struct sn_softc *sc; 127 u_int8_t *lladdr; 128 { 129 u_int *p = (u_int *)(sc->sc_hwbase + SONIC_MACROM_OFFSET); 130 int i; 131 132 for (i = 0; i < 6; i++) { 133 int h = *p++ & 0x0f; 134 int l = *p++ & 0x0f; 135 *lladdr++ = (h << 4) + l; 136 } 137 138 return 0; 139 } 140 141 #define APSONIC_INT_MASK 0x00007f00 /* XXX */ 142 #define APSONIC_INT_REG(base) (((u_long)(base) & 0xffc00000) | 0x00100000) 143 144 void 145 sn_md_init(sc) 146 struct sn_softc *sc; 147 { 148 u_int *reg = (u_int *)APSONIC_INT_REG(sc->sc_hwbase); 149 150 *reg = APSONIC_INT_MASK; 151 wbflush(); 152 apbus_wbflush(); 153 delay(10000); 154 } 155