1 /* $NetBSD: if_sn_ap.c,v 1.11 2008/04/09 15:40:30 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 1.11 2008/04/09 15:40:30 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 #define SONIC_MACROM_OFFSET 0x40 57 58 #define SONIC_APBUS_REG_OFFSET 0x00010000 59 #define SONIC_APBUS_MEM_OFFSET 0x00020000 60 #define SONIC_APBUS_CTL_OFFSET (-0x00100000) 61 62 static int sn_ap_match(device_t, cfdata_t, void *); 63 static void sn_ap_attach(device_t, device_t, void *); 64 static int sn_ap_getaddr(struct sn_softc *, uint8_t *); 65 66 CFATTACH_DECL_NEW(sn_ap, sizeof(struct sn_softc), 67 sn_ap_match, sn_ap_attach, NULL, NULL); 68 69 static int 70 sn_ap_match(device_t parent, cfdata_t cf, 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(device_t parent, device_t self, void *aux) 85 { 86 struct sn_softc *sc = device_private(self); 87 struct apbus_attach_args *apa = aux; 88 uint8_t myaddr[ETHER_ADDR_LEN]; 89 u_int intrmask; 90 91 sc->sc_dev = self; 92 sc->sc_hwbase = (void *)apa->apa_hwbase; 93 sc->sc_regbase = (void *)(apa->apa_hwbase + SONIC_APBUS_REG_OFFSET); 94 sc->space = (void *)(apa->apa_hwbase + SONIC_APBUS_MEM_OFFSET); 95 96 aprint_normal(" slot%d addr 0x%lx", apa->apa_slotno, apa->apa_hwbase); 97 98 sc->snr_dcr = DCR_WAIT0 | DCR_DMABLOCK | DCR_RFT16 | DCR_TFT16; 99 sc->snr_dcr2 = 0; 100 sc->snr_dcr |= DCR_EXBUS; 101 sc->bitmode = 1; 102 103 if (sn_ap_getaddr(sc, myaddr)) { 104 aprint_error(": failed to get MAC address\n"); 105 return; 106 } 107 108 aprint_normal("\n"); 109 110 /* snsetup returns 1 if something fails */ 111 if (snsetup(sc, myaddr)) 112 return; 113 114 intrmask = (apa->apa_slotno == 0) ? 115 NEWS5000_INT0_SONIC : SLOTTOMASK(apa->apa_slotno); 116 117 apbus_intr_establish(0, /* interrupt level (0 or 1) */ 118 intrmask, 119 0, /* priority */ 120 snintr, sc, apa->apa_name, apa->apa_ctlnum); 121 } 122 123 int 124 sn_ap_getaddr(struct sn_softc *sc, uint8_t *lladdr) 125 { 126 uint32_t *p; 127 int i; 128 129 p = (uint32_t *)((uint8_t *)sc->sc_hwbase + SONIC_MACROM_OFFSET); 130 for (i = 0; i < ETHER_ADDR_LEN; i++) { 131 int h = *p++ & 0x0f; 132 int l = *p++ & 0x0f; 133 *lladdr++ = (h << 4) + l; 134 } 135 136 return 0; 137 } 138 139 #define APSONIC_INT_MASK 0x00007f00 /* XXX */ 140 #define APSONIC_INT_REG(base) (((u_long)(base) & 0xffc00000) | 0x00100000) 141 142 void 143 sn_md_init(struct sn_softc *sc) 144 { 145 volatile uint32_t *reg = (uint32_t *)APSONIC_INT_REG(sc->sc_hwbase); 146 147 *reg = APSONIC_INT_MASK; 148 wbflush(); 149 apbus_wbflush(); 150 delay(10000); 151 } 152