Annotation of sys/arch/vax/if/if_ze.c, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: if_ze.c,v 1.7 2006/08/30 19:28:11 miod Exp $ */
2: /* $NetBSD: if_ze.c,v 1.3 2000/01/24 02:54:03 matt Exp $ */
3: /*
4: * Copyright (c) 1999 Ludd, University of Lule}, Sweden. All rights reserved.
5: *
6: * Redistribution and use in source and binary forms, with or without
7: * modification, are permitted provided that the following conditions
8: * are met:
9: * 1. Redistributions of source code must retain the above copyright
10: * notice, this list of conditions and the following disclaimer.
11: * 2. Redistributions in binary form must reproduce the above copyright
12: * notice, this list of conditions and the following disclaimer in the
13: * documentation and/or other materials provided with the distribution.
14: * 3. All advertising materials mentioning features or use of this software
15: * must display the following acknowledgement:
16: * This product includes software developed at Ludd, University of
17: * Lule}, Sweden and its contributors.
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/param.h>
34: #include <sys/socket.h>
35: #include <sys/device.h>
36: #include <sys/systm.h>
37: #include <sys/sockio.h>
38:
39: #include <net/if.h>
40: #include <net/if_dl.h>
41: #include <netinet/in.h>
42: #include <netinet/if_ether.h>
43:
44: #if NBPFILTER > 0
45: #include <net/bpf.h>
46: #include <net/bpfdesc.h>
47: #endif
48:
49: #include <machine/bus.h>
50: #include <machine/nexus.h>
51: #include <machine/cpu.h>
52: #include <machine/scb.h>
53: #include <machine/sid.h>
54:
55: #include <arch/vax/if/sgecreg.h>
56: #include <arch/vax/if/sgecvar.h>
57:
58: /*
59: * Addresses.
60: */
61: #define SGECADDR 0x20008000
62: #define NISA_ROM 0x20084000
63: #define SGECVEC 0x108
64:
65: static int zematch(struct device *, struct cfdata *, void *);
66: static void zeattach(struct device *, struct device *, void *);
67:
68: struct cfattach ze_ibus_ca = {
69: sizeof(struct ze_softc), (cfmatch_t)zematch, zeattach
70: };
71:
72: /*
73: * Check for present SGEC.
74: */
75: int
76: zematch(parent, cf, aux)
77: struct device *parent;
78: struct cfdata *cf;
79: void *aux;
80: {
81: struct bp_conf *bp = aux;
82:
83: /*
84: * Should some more intelligent checking be done???
85: */
86: if (strcmp(bp->type, "sgec") == 0)
87: return 1;
88: return 0;
89: }
90:
91: /*
92: * Interface exists: make available by filling in network interface
93: * record. System will initialize the interface when it is ready
94: * to accept packets.
95: */
96: void
97: zeattach(parent, self, aux)
98: struct device *parent, *self;
99: void *aux;
100: {
101: extern struct vax_bus_dma_tag vax_bus_dma_tag;
102: struct ze_softc *sc = (struct ze_softc *)self;
103: int *ea, i;
104:
105: /*
106: * Map in SGEC registers.
107: */
108: sc->sc_ioh = vax_map_physmem(SGECADDR, 1);
109: sc->sc_iot = 0; /* :-) */
110: sc->sc_dmat = &vax_bus_dma_tag;
111:
112: sc->sc_intvec = SGECVEC;
113:
114: /*
115: * Map in, read and release ethernet rom address.
116: */
117: ea = (int *)vax_map_physmem(NISA_ROM, 1);
118: for (i = 0; i < ETHER_ADDR_LEN; i++)
119: if (vax_boardtype == VAX_BTYP_660)
120: sc->sc_ac.ac_enaddr[i] = (ea[i] >> 24) & 0377;
121: else
122: sc->sc_ac.ac_enaddr[i] = (ea[i] >> 8) & 0377;
123:
124: vax_unmap_physmem((vaddr_t)ea, 1);
125:
126: scb_vecalloc(SGECVEC, (void (*)(void *)) sgec_intr, sc,
127: SCB_ISTACK, &sc->sc_intrcnt);
128: evcount_attach(&sc->sc_intrcnt, sc->sc_dev.dv_xname,
129: (void *)&sc->sc_intvec, &evcount_intr);
130:
131: sgec_attach(sc);
132: }
CVSweb