mpt_pci.c revision 1.14 1 /* $NetBSD: mpt_pci.c,v 1.14 2008/02/04 14:12:25 joerg Exp $ */
2
3 /*
4 * Copyright (c) 2003 Wasabi Systems, Inc.
5 * All rights reserved.
6 *
7 * Written by Jason R. Thorpe for Wasabi Systems, Inc.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed for the NetBSD Project by
20 * Wasabi Systems, Inc.
21 * 4. The name of Wasabi Systems, Inc. may not be used to endorse
22 * or promote products derived from this software without specific prior
23 * written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 * POSSIBILITY OF SUCH DAMAGE.
36 */
37
38 /*
39 * Additional contributions by Garrett D'Amore on behalf of TELES AG.
40 */
41
42 /*
43 * mpt_pci.c:
44 *
45 * NetBSD PCI-specific routines for LSI Fusion adapters.
46 */
47
48 #include <sys/cdefs.h>
49 __KERNEL_RCSID(0, "$NetBSD: mpt_pci.c,v 1.14 2008/02/04 14:12:25 joerg Exp $");
50
51 #include <dev/ic/mpt.h> /* pulls in all headers */
52
53 #include <dev/pci/pcireg.h>
54 #include <dev/pci/pcivar.h>
55 #include <dev/pci/pcidevs.h>
56
57 #define MPT_PCI_MMBA (PCI_MAPREG_START+0x04)
58
59 struct mpt_pci_softc {
60 mpt_softc_t sc_mpt;
61
62 pci_chipset_tag_t sc_pc;
63 pcitag_t sc_tag;
64
65 void *sc_ih;
66
67 /* Saved volatile PCI configuration registers. */
68 pcireg_t sc_pci_csr;
69 pcireg_t sc_pci_bhlc;
70 pcireg_t sc_pci_io_bar;
71 pcireg_t sc_pci_mem0_bar[2];
72 pcireg_t sc_pci_mem1_bar[2];
73 pcireg_t sc_pci_rom_bar;
74 pcireg_t sc_pci_int;
75 pcireg_t sc_pci_pmcsr;
76 };
77
78 #define MPP_F_FC 0x01 /* Fibre Channel adapter */
79 #define MPP_F_DUAL 0x02 /* Dual port adapter */
80
81 static const struct mpt_pci_product {
82 pci_vendor_id_t mpp_vendor;
83 pci_product_id_t mpp_product;
84 } mpt_pci_products[] = {
85 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_1030 },
86 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC909 },
87 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC909A },
88 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC929 },
89 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC929_1 },
90 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC919 },
91 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC919_1},
92 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC929X },
93 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC919X },
94 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC929X },
95 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC939X },
96 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC949X },
97 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1064 },
98 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1064A },
99 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1064E },
100 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1064E_2 },
101 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1066 },
102 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1066E },
103 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1068 },
104 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1068_2 },
105 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1078 },
106 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1068E },
107 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1068E_2 },
108 { 0, 0 }
109 };
110
111 static int
112 mpt_pci_match(struct device *parent, struct cfdata *cf, void *aux)
113 {
114 struct pci_attach_args *pa = aux;
115 const struct mpt_pci_product *mpp;
116
117 for (mpp = mpt_pci_products; mpp->mpp_vendor != 0; mpp++) {
118 if (PCI_VENDOR(pa->pa_id) == mpp->mpp_vendor &&
119 PCI_PRODUCT(pa->pa_id) == mpp->mpp_product)
120 return (1);
121 }
122
123 return (0);
124 }
125
126 static void
127 mpt_pci_attach(struct device *parent, struct device *self, void *aux)
128 {
129 struct mpt_pci_softc *psc = (void *) self;
130 mpt_softc_t *mpt = &psc->sc_mpt;
131 struct pci_attach_args *pa = aux;
132 pci_intr_handle_t ih;
133 const char *intrstr;
134 pcireg_t reg, memtype;
135 bus_space_tag_t memt;
136 bus_space_handle_t memh;
137 int memh_valid;
138 char devinfo[200];
139
140 pci_devinfo(pa->pa_id, 0, 0, devinfo, sizeof (devinfo));
141
142 aprint_naive("\n");
143 aprint_normal(": %s\n", devinfo);
144
145 psc->sc_pc = pa->pa_pc;
146 psc->sc_tag = pa->pa_tag;
147
148 mpt->sc_dmat = pa->pa_dmat;
149
150 /*
151 * Map the device.
152 */
153 memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, MPT_PCI_MMBA);
154 switch (memtype) {
155 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT:
156 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT:
157 memh_valid = (pci_mapreg_map(pa, MPT_PCI_MMBA,
158 memtype, 0, &memt, &memh, NULL, NULL) == 0);
159 break;
160
161 default:
162 memh_valid = 0;
163 }
164
165 if (memh_valid) {
166 mpt->sc_st = memt;
167 mpt->sc_sh = memh;
168 } else {
169 aprint_error("%s: unable to map device registers\n",
170 mpt->sc_dev.dv_xname);
171 return;
172 }
173
174 /*
175 * Make sure the PCI command register is properly configured.
176 */
177 reg = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
178 reg |= PCI_COMMAND_MASTER_ENABLE;
179 /* XXX PCI_COMMAND_INVALIDATE_ENABLE */
180 /* XXX PCI_COMMAND_PARITY_ENABLE */
181 /* XXX PCI_COMMAND_SERR_ENABLE */
182 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, reg);
183
184 /*
185 * Disable split transactions on the 53c1020 and 53c1030 for
186 * revisions older than 8.
187 */
188 if ((PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_SYMBIOS_1030) &&
189 (PCI_REVISION(pa->pa_class) < 0x08)) {
190 aprint_normal("%s: applying 1030 quirk\n",
191 mpt->sc_dev.dv_xname);
192 reg = pci_conf_read(pa->pa_pc, pa->pa_tag, 0x68);
193 reg &= 0x8fffff;
194 pci_conf_write(pa->pa_pc, pa->pa_tag, 0x68, reg);
195 }
196
197 /*
198 * Ensure that the ROM is disabled.
199 */
200 reg = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_MAPREG_ROM);
201 reg &= ~1;
202 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_MAPREG_ROM, reg);
203
204 /*
205 * Map and establish our interrupt.
206 */
207 if (pci_intr_map(pa, &ih) != 0) {
208 aprint_error("%s: unable to map interrupt\n",
209 mpt->sc_dev.dv_xname);
210 return;
211 }
212 intrstr = pci_intr_string(pa->pa_pc, ih);
213 psc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, mpt_intr, mpt);
214 if (psc->sc_ih == NULL) {
215 aprint_error("%s: unable to establish interrupt",
216 mpt->sc_dev.dv_xname);
217 if (intrstr != NULL)
218 aprint_normal(" at %s", intrstr);
219 aprint_normal("\n");
220 return;
221 }
222 aprint_normal("%s: interrupting at %s\n", mpt->sc_dev.dv_xname,
223 intrstr);
224
225 /* Disable interrupts on the part. */
226 mpt_disable_ints(mpt);
227
228 /* Allocate DMA memory. */
229 if (mpt_dma_mem_alloc(mpt) != 0) {
230 aprint_error("%s: unable to allocate DMA memory\n",
231 mpt->sc_dev.dv_xname);
232 return;
233 }
234
235 /* Initialize the hardware. */
236 if (mpt_init(mpt, MPT_DB_INIT_HOST) != 0) {
237 /* Error message already printed. */
238 return;
239 }
240
241 /* Attach to scsipi. */
242 mpt_scsipi_attach(mpt);
243 }
244
245 CFATTACH_DECL(mpt_pci, sizeof(struct mpt_pci_softc),
246 mpt_pci_match, mpt_pci_attach, NULL, NULL);
247
248