1 /* $NetBSD: if_sn_ap.c,v 1.13 2018/10/14 00:10:11 tsutsui 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 <sys/cdefs.h> 34 __KERNEL_RCSID(0, "$NetBSD: if_sn_ap.c,v 1.13 2018/10/14 00:10:11 tsutsui Exp $"); 35 36 #include "opt_inet.h" 37 38 #include <sys/param.h> 39 #include <sys/device.h> 40 #include <sys/errno.h> 41 #include <sys/ioctl.h> 42 #include <sys/socket.h> 43 #include <sys/syslog.h> 44 #include <sys/systm.h> 45 46 #include <net/if.h> 47 #include <net/if_ether.h> 48 49 #include <machine/cpu.h> 50 #include <machine/adrsmap.h> 51 52 #include <newsmips/apbus/apbusvar.h> 53 #include <newsmips/apbus/if_snreg.h> 54 #include <newsmips/apbus/if_snvar.h> 55 56 #include <newsmips/newsmips/machid.h> 57 58 #define SONIC_MACROM_OFFSET 0x40 59 60 #define SONIC_APBUS_REG_OFFSET 0x00010000 61 #define SONIC_APBUS_MEM_OFFSET 0x00020000 62 #define SONIC_APBUS_CTL_OFFSET (-0x00100000) 63 64 static int sn_ap_match(device_t, cfdata_t, void *); 65 static void sn_ap_attach(device_t, device_t, void *); 66 static int sn_ap_getaddr(struct sn_softc *, uint8_t *); 67 68 CFATTACH_DECL_NEW(sn_ap, sizeof(struct sn_softc), 69 sn_ap_match, sn_ap_attach, NULL, NULL); 70 71 static int 72 sn_ap_match(device_t parent, cfdata_t cf, void *aux) 73 { 74 struct apbus_attach_args *apa = aux; 75 76 if (strcmp(apa->apa_name, "sonic") != 0) 77 return 0; 78 79 return 1; 80 } 81 82 /* 83 * Install interface into kernel networking data structures 84 */ 85 static void 86 sn_ap_attach(device_t parent, device_t self, void *aux) 87 { 88 struct sn_softc *sc = device_private(self); 89 struct apbus_attach_args *apa = aux; 90 uint8_t myaddr[ETHER_ADDR_LEN]; 91 uint32_t intrmask = 0; 92 93 sc->sc_dev = self; 94 sc->slotno = apa->apa_slotno; 95 if (systype == NEWS4000 && sc->slotno == 0) { 96 sc->sc_flags |= F_NWS40S0; 97 } 98 if ((sc->sc_flags & F_NWS40S0) != 0) { 99 sc->sc_hwbase = (void *)apa->apa_hwbase; 100 sc->sc_regbase = (void *)apa->apa_hwbase; 101 sc->memory = (void *)NEWS4000_SONIC_MEMORY; 102 sc->buffer = (void *)NEWS4000_SONIC_BUFFER; 103 } else { 104 sc->sc_hwbase = (void *)apa->apa_hwbase; 105 sc->sc_regbase = 106 (void *)(apa->apa_hwbase + SONIC_APBUS_REG_OFFSET); 107 sc->memory = 108 (void *)(apa->apa_hwbase + SONIC_APBUS_MEM_OFFSET); 109 } 110 111 aprint_normal(" slot%d addr 0x%lx", apa->apa_slotno, apa->apa_hwbase); 112 113 if ((sc->sc_flags & F_NWS40S0) != 0) { 114 sc->snr_dcr = DCR_STERM | DCR_TFT28; 115 sc->snr_dcr2 = 0x0100; 116 } else { 117 sc->snr_dcr = DCR_WAIT0 | DCR_DMABLOCK | DCR_RFT16 | DCR_TFT16; 118 sc->snr_dcr2 = 0; 119 sc->snr_dcr |= DCR_EXBUS; 120 } 121 sc->bitmode = 1; 122 123 if (sn_ap_getaddr(sc, myaddr)) { 124 aprint_error(": failed to get MAC address\n"); 125 return; 126 } 127 128 aprint_normal("\n"); 129 130 /* snsetup returns 1 if something fails */ 131 if (snsetup(sc, myaddr)) 132 return; 133 134 if (systype == NEWS5000) { 135 intrmask = (apa->apa_slotno == 0) ? 136 NEWS5000_INT0_SONIC : NEWS5000_SLOTTOMASK(apa->apa_slotno); 137 } 138 if (systype == NEWS4000) { 139 intrmask = (apa->apa_slotno == 0) ? 140 NEWS4000_INT0_SONIC : NEWS4000_SLOTTOMASK(apa->apa_slotno); 141 } 142 143 apbus_intr_establish(0, /* interrupt level (0 or 1) */ 144 intrmask, 145 0, /* priority */ 146 snintr, sc, device_xname(self), apa->apa_ctlnum); 147 } 148 149 int 150 sn_ap_getaddr(struct sn_softc *sc, uint8_t *lladdr) 151 { 152 153 if ((sc->sc_flags & F_NWS40S0) != 0) { 154 extern struct idrom idrom; 155 memcpy(lladdr, idrom.id_macadrs, sizeof(idrom.id_macadrs)); 156 } else { 157 uint32_t *p; 158 int i; 159 160 p = (uint32_t *)((uint8_t *)sc->sc_hwbase + 161 SONIC_MACROM_OFFSET); 162 for (i = 0; i < ETHER_ADDR_LEN; i++) { 163 int h = *p++ & 0x0f; 164 int l = *p++ & 0x0f; 165 *lladdr++ = (h << 4) + l; 166 } 167 } 168 169 return 0; 170 } 171 172 #define APSONIC_INT_MASK 0x00007f00 /* XXX */ 173 #define APSONIC_INT_REG(base) (((u_long)(base) & 0xffc00000) | 0x00100000) 174 175 void 176 sn_md_init(struct sn_softc *sc) 177 { 178 179 if ((sc->sc_flags & F_NWS40S0) != 0) { 180 *(volatile uint32_t *)0xbf700000 = 1; 181 } else { 182 volatile uint32_t *reg = 183 (uint32_t *)APSONIC_INT_REG(sc->sc_hwbase); 184 185 *reg = APSONIC_INT_MASK; 186 } 187 wbflush(); 188 apbus_wbflush(); 189 delay(10000); 190 } 191