1 /* $OpenBSD: qlw_sbus.c,v 1.2 2022/03/13 13:34:54 mpi Exp $ */
2 /*
3 * Copyright (c) 2014 Mark Kettenis
4 *
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 */
17
18 #include <sys/param.h>
19 #include <sys/device.h>
20 #include <sys/malloc.h>
21 #include <sys/systm.h>
22
23 #include <machine/bus.h>
24 #include <machine/intr.h>
25 #include <machine/autoconf.h>
26
27 #include <dev/sbus/sbusvar.h>
28
29 #include <scsi/scsi_all.h>
30 #include <scsi/scsiconf.h>
31
32 #include <dev/ic/qlwreg.h>
33 #include <dev/ic/qlwvar.h>
34
35 #ifndef ISP_NOFIRMWARE
36 #include <dev/microcode/isp/asm_sbus.h>
37 #endif
38
39 int qlw_sbus_match(struct device *, void *, void *);
40 void qlw_sbus_attach(struct device *, struct device *, void *);
41
42 const struct cfattach qlw_sbus_ca = {
43 sizeof(struct qlw_softc),
44 qlw_sbus_match,
45 qlw_sbus_attach
46 };
47
48 int
qlw_sbus_match(struct device * parent,void * cf,void * aux)49 qlw_sbus_match(struct device *parent, void *cf, void *aux)
50 {
51 struct sbus_attach_args *sa = aux;
52
53 if (strcmp("ptisp", sa->sa_name) == 0 ||
54 strcmp("PTI,ptisp", sa->sa_name) == 0 ||
55 strcmp("SUNW,isp", sa->sa_name) == 0 ||
56 strcmp("QLGC,isp", sa->sa_name) == 0)
57 return 2;
58
59 return 0;
60 }
61
62 void
qlw_sbus_attach(struct device * parent,struct device * self,void * aux)63 qlw_sbus_attach(struct device *parent, struct device *self, void *aux)
64 {
65 struct qlw_softc *sc = (void *)self;
66 struct sbus_attach_args *sa = aux;
67 u_int32_t sbusburst, burst;
68 int freq;
69
70 if (sa->sa_nintr < 1) {
71 printf(": no interrupt\n");
72 return;
73 }
74
75 if (sa->sa_nreg < 1) {
76 printf(": no registers\n");
77 return;
78 }
79
80 if (sbus_bus_map(sa->sa_bustag, sa->sa_slot, sa->sa_offset,
81 sa->sa_size, 0, 0, &sc->sc_ioh) != 0) {
82 printf(": can't map registers\n");
83 return;
84 }
85
86 printf(": %s\n", sa->sa_name);
87
88 if (bus_intr_establish(sa->sa_bustag, sa->sa_pri, IPL_BIO, 0,
89 qlw_intr, sc, sc->sc_dev.dv_xname) == NULL) {
90 printf("%s: can't establish interrupt\n", DEVNAME(sc));
91 goto unmap;
92 }
93
94 /*
95 * Get transfer burst size from PROM
96 */
97 sbusburst = ((struct sbus_softc *)parent)->sc_burst;
98 if (sbusburst == 0)
99 sbusburst = SBUS_BURST_32 - 1; /* 1->16 */
100
101 burst = getpropint(sa->sa_node, "burst-sizes", -1);
102 if (burst == -1)
103 burst = sbusburst;
104
105 /* Clamp at parent's burst sizes */
106 burst &= sbusburst;
107
108 if ((burst & SBUS_BURST_32))
109 sc->sc_isp_config = QLW_BURST_ENABLE | QLW_SBUS_FIFO_32;
110 else if ((burst & SBUS_BURST_16))
111 sc->sc_isp_config = QLW_BURST_ENABLE | QLW_SBUS_FIFO_16;
112 else if ((burst & SBUS_BURST_8))
113 sc->sc_isp_config = QLW_BURST_ENABLE | QLW_SBUS_BURST_8;
114
115 sc->sc_iot = sa->sa_bustag;
116 sc->sc_ios = sa->sa_size;
117 sc->sc_dmat = sa->sa_dmatag;
118
119 sc->sc_isp_gen = QLW_GEN_ISP1000;
120 sc->sc_isp_type = QLW_ISP1000;
121 sc->sc_numbusses = 1;
122
123 freq = getpropint(sa->sa_node, "clock-frequency", 40000000);
124 sc->sc_clock = (freq + 500000) / 1000000;
125
126 #ifndef ISP_NOFIRMWARE
127 /*
128 * Some early versions of the PTI cards don't support loading
129 * a new firmware, so only do this in the Sun or QLogic
130 * branded ones.
131 */
132 if (strcmp("SUNW,isp", sa->sa_name) == 0 ||
133 strcmp("QLGC,isp", sa->sa_name) == 0)
134 sc->sc_firmware = isp_1000_risc_code;
135 #endif
136
137 sc->sc_initiator[0] = getpropint(sa->sa_node, "scsi-initiator-id", 6);
138
139 sc->sc_host_cmd_ctrl = QLW_HOST_CMD_CTRL_SBUS;
140 sc->sc_mbox_base = QLW_MBOX_BASE_SBUS;
141
142 qlw_attach(sc);
143 return;
144
145 unmap:
146 bus_space_unmap(sa->sa_bustag, sc->sc_ioh, sa->sa_size);
147 }
148