Annotation of sys/arch/vax/vsa/if_ze_vsbus.c, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: if_ze_vsbus.c,v 1.4 2006/08/30 19:28:13 miod Exp $ */
2: /* $NetBSD: if_ze_vsbus.c,v 1.5 2000/07/26 21:50:49 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:
42: #include <netinet/in.h>
43: #include <netinet/if_ether.h>
44:
45: #if NBPFILTER > 0
46: #include <net/bpf.h>
47: #include <net/bpfdesc.h>
48: #endif
49:
50: #include <machine/bus.h>
51: #include <machine/vsbus.h>
52: #include <machine/cpu.h>
53: #include <machine/scb.h>
54: #include <machine/sid.h>
55:
56: #include <arch/vax/if/sgecreg.h>
57: #include <arch/vax/if/sgecvar.h>
58:
59: /*
60: * Addresses.
61: */
62: #define SGECADDR 0x20008000
63: #define NISA_ROM 0x27800000
64: #define SGECVEC 0x108
65:
66: static int zematch(struct device *, void *, void *);
67: static void zeattach(struct device *, struct device *, void *);
68:
69: struct cfattach ze_vsbus_ca = {
70: sizeof(struct ze_softc), zematch, zeattach
71: };
72:
73: /*
74: * Check for present SGEC.
75: */
76: int
77: zematch(parent, cf, aux)
78: struct device *parent;
79: void *cf;
80: void *aux;
81: {
82: /*
83: * Should some more intelligent checking be done???
84: * Should for sure force an interrupt instead...
85: */
86: if (vax_boardtype != VAX_BTYP_49)
87: return 0;
88:
89: /* Fool the interrupt system. */
90: scb_fake(SGECVEC, 0x15);
91: return 12;
92: }
93:
94: /*
95: * Interface exists: make available by filling in network interface
96: * record. System will initialize the interface when it is ready
97: * to accept packets.
98: */
99: void
100: zeattach(parent, self, aux)
101: struct device *parent, *self;
102: void *aux;
103: {
104: struct ze_softc *sc = (struct ze_softc *)self;
105: struct vsbus_attach_args *va = aux;
106: extern struct vax_bus_dma_tag vax_bus_dma_tag;
107: int *ea, i;
108:
109: /*
110: * Map in SGEC registers.
111: */
112: sc->sc_ioh = vax_map_physmem(SGECADDR, 1);
113: sc->sc_iot = 0; /* :-) */
114: sc->sc_dmat = &vax_bus_dma_tag;
115:
116: sc->sc_intvec = SGECVEC;
117: scb_vecalloc(va->va_cvec, (void (*)(void *)) sgec_intr,
118: sc, SCB_ISTACK, &sc->sc_intrcnt);
119: evcount_attach(&sc->sc_intrcnt, sc->sc_dev.dv_xname,
120: (void *)&sc->sc_intvec, &evcount_intr);
121:
122: /*
123: * Map in, read and release ethernet rom address.
124: */
125: ea = (int *)vax_map_physmem(NISA_ROM, 1);
126: for (i = 0; i < ETHER_ADDR_LEN; i++)
127: sc->sc_ac.ac_enaddr[i] = ea[i] & 0377;
128: vax_unmap_physmem((vaddr_t)ea, 1);
129:
130: sgec_attach(sc);
131: }
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