if_sn_ap.c revision 1.1
1 /* $NetBSD: if_sn_ap.c,v 1.1 1999/12/22 05:55:24 tsubai 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 struct cfattach sn_ap_ca = { 64 sizeof(struct sn_softc), sn_ap_match, sn_ap_attach 65 }; 66 67 static int 68 sn_ap_match(parent, cf, aux) 69 struct device *parent; 70 struct cfdata *cf; 71 void *aux; 72 { 73 struct apbus_attach_args *apa = aux; 74 75 if (strcmp(apa->apa_name, "sonic") != 0) 76 return 0; 77 78 return 1; 79 } 80 81 /* 82 * Install interface into kernel networking data structures 83 */ 84 static void 85 sn_ap_attach(parent, self, aux) 86 struct device *parent, *self; 87 void *aux; 88 { 89 struct sn_softc *sc = (void *)self; 90 struct apbus_attach_args *apa = aux; 91 u_int8_t myaddr[ETHER_ADDR_LEN]; 92 u_int intrmask; 93 94 sc->sc_hwbase = (caddr_t)apa->apa_hwbase; 95 sc->sc_regbase = (void *)(apa->apa_hwbase + SONIC_APBUS_REG_OFFSET); 96 sc->space = (void *)(apa->apa_hwbase + SONIC_APBUS_MEM_OFFSET); 97 98 printf(" slot%d addr 0x%lx", apa->apa_slotno, apa->apa_hwbase); 99 100 sc->snr_dcr = DCR_WAIT0 | DCR_DMABLOCK | DCR_RFT16 | DCR_TFT16; 101 sc->snr_dcr2 = 0; 102 sc->snr_dcr |= DCR_EXBUS; 103 sc->bitmode = 1; 104 105 if (sn_ap_getaddr(sc, myaddr)) { 106 printf(": failed to get MAC address\n"); 107 return; 108 } 109 110 printf("\n"); 111 112 /* snsetup returns 1 if something fails */ 113 if (snsetup(sc, myaddr)) 114 return; 115 116 intrmask = (apa->apa_slotno == 0) ? 117 NEWS5000_INT0_SONIC : SLOTTOMASK(apa->apa_slotno); 118 119 apbus_intr_establish(0, /* interrupt level (0 or 1) */ 120 intrmask, 121 0, /* priority */ 122 snintr, sc, apa->apa_name, apa->apa_ctlnum); 123 } 124 125 int 126 sn_ap_getaddr(sc, lladdr) 127 struct sn_softc *sc; 128 u_int8_t *lladdr; 129 { 130 u_int *p = (u_int *)(sc->sc_hwbase + SONIC_MACROM_OFFSET); 131 int i; 132 133 for (i = 0; i < 6; i++) { 134 int h = *p++ & 0x0f; 135 int l = *p++ & 0x0f; 136 *lladdr++ = (h << 4) + l; 137 } 138 139 return 0; 140 } 141 142 #define APSONIC_REG 0x00 143 #define APSONIC_NREGS 0x10 144 145 #define APSONIC_ENDIAN 0x80000000 /* Endian Display bit */ 146 #define APSONIC_RDERR 0x00020000 /* DMA Error occur in RDMAC */ 147 #define APSONIC_TDERR 0x00010000 /* DMA Error occur in TDMAC */ 148 #define APSONIC_RDMACEN 0x00004000 /* RDMAC done Interrupt enable */ 149 #define APSONIC_TDMACEN 0x00002000 /* TDMAC done Interrupt enable */ 150 #define APSONIC_DERREN 0x00001000 /* DMA Error Interrupt enable */ 151 #define APSONIC_CH3_INTEN 0x00000800 /* Channel 3 Interrupt enable */ 152 #define APSONIC_CH2_INTEN 0x00000400 /* Channel 2 Interrupt enable */ 153 #define APSONIC_CH1_INTEN 0x00000200 /* Channel 1 Interrupt enable */ 154 #define APSONIC_CH0_INTEN 0x00000100 /* Channel 0 Interrupt enable */ 155 #define APSONIC_RDMAC 0x00000040 /* RDMAC done Interrupt */ 156 #define APSONIC_TDMAC 0x00000020 /* TDMAC done Interrupt */ 157 #define APSONIC_DERR 0x00000010 /* DMA Error Interrupt */ 158 #define APSONIC_CH3_INT 0x00000008 /* Channel 3 Interrupt */ 159 #define APSONIC_CH2_INT 0x00000004 /* Channel 2 Interrupt */ 160 #define APSONIC_CH1_INT 0x00000002 /* Channel 1 Interrupt */ 161 #define APSONIC_CH0_INT 0x00000001 /* Channel 0 Interrupt */ 162 163 #define APSONIC_INT_MASK (APSONIC_CH0_INTEN | \ 164 APSONIC_CH1_INTEN | \ 165 APSONIC_CH2_INTEN | \ 166 APSONIC_CH3_INTEN | \ 167 APSONIC_RDMACEN | \ 168 APSONIC_TDMACEN | \ 169 APSONIC_DERREN) 170 171 void 172 sn_md_init(sc) 173 struct sn_softc *sc; 174 { 175 u_int *reg = (u_int *)(sc->sc_hwbase - 0x00100000); 176 177 reg[APSONIC_REG] = APSONIC_INT_MASK; 178 wbflush(); 179 apbus_wbflush(); 180 delay(10000); 181 } 182
Indexes created Tue Sep 30 20:09:53 GMT 2025