1 /* $NetBSD: mpt_pci.c,v 1.25 2016/07/14 04:19:27 msaitoh 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 1.25 2016/07/14 04:19:27 msaitoh 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_SAS1068E },
106 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1068E_2 },
107 { 0, 0 }
108 };
109
110 static int
mpt_pci_match(device_t parent,cfdata_t cf,void * aux)111 mpt_pci_match(device_t parent, cfdata_t cf, void *aux)
112 {
113 struct pci_attach_args *pa = aux;
114 const struct mpt_pci_product *mpp;
115
116 for (mpp = mpt_pci_products; mpp->mpp_vendor != 0; mpp++) {
117 if (PCI_VENDOR(pa->pa_id) == mpp->mpp_vendor &&
118 PCI_PRODUCT(pa->pa_id) == mpp->mpp_product)
119 return (1);
120 }
121
122 return (0);
123 }
124
125 static void
mpt_pci_attach(device_t parent,device_t self,void * aux)126 mpt_pci_attach(device_t parent, device_t self, void *aux)
127 {
128 struct mpt_pci_softc *psc = device_private(self);
129 mpt_softc_t *mpt = &psc->sc_mpt;
130 struct pci_attach_args *pa = aux;
131 pci_intr_handle_t ih;
132 const char *intrstr;
133 pcireg_t reg, memtype;
134 bus_space_tag_t memt;
135 bus_space_handle_t memh;
136 int memh_valid;
137 char intrbuf[PCI_INTRSTR_LEN];
138
139 pci_aprint_devinfo(pa, NULL);
140
141 psc->sc_pc = pa->pa_pc;
142 psc->sc_tag = pa->pa_tag;
143
144 mpt->sc_dev = self;
145 mpt->sc_dmat = pa->pa_dmat;
146
147 /*
148 * Map the device.
149 */
150 memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, MPT_PCI_MMBA);
151 switch (memtype) {
152 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT:
153 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT:
154 memh_valid = (pci_mapreg_map(pa, MPT_PCI_MMBA,
155 memtype, 0, &memt, &memh, NULL, NULL) == 0);
156 break;
157
158 default:
159 memh_valid = 0;
160 }
161
162 if (memh_valid) {
163 mpt->sc_st = memt;
164 mpt->sc_sh = memh;
165 } else {
166 aprint_error_dev(self, "unable to map device registers\n");
167 return;
168 }
169
170 /*
171 * Make sure the PCI command register is properly configured.
172 */
173 reg = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
174 reg |= PCI_COMMAND_MASTER_ENABLE;
175 /* XXX PCI_COMMAND_INVALIDATE_ENABLE */
176 /* XXX PCI_COMMAND_PARITY_ENABLE */
177 /* XXX PCI_COMMAND_SERR_ENABLE */
178 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, reg);
179
180 /*
181 * Disable split transactions on the 53c1020 and 53c1030 for
182 * revisions older than 8.
183 */
184 if ((PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_SYMBIOS_1030) &&
185 (PCI_REVISION(pa->pa_class) < 0x08)) {
186 aprint_normal_dev(mpt->sc_dev, "applying 1030 quirk\n");
187 reg = pci_conf_read(pa->pa_pc, pa->pa_tag, 0x68);
188 reg &= 0x8fffff;
189 pci_conf_write(pa->pa_pc, pa->pa_tag, 0x68, reg);
190 }
191
192 /*
193 * Ensure that the ROM is disabled.
194 */
195 reg = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_MAPREG_ROM);
196 reg &= ~1;
197 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_MAPREG_ROM, reg);
198
199 /*
200 * Map and establish our interrupt.
201 */
202 if (pci_intr_map(pa, &ih) != 0) {
203 aprint_error_dev(mpt->sc_dev, "unable to map interrupt\n");
204 return;
205 }
206 intrstr = pci_intr_string(pa->pa_pc, ih, intrbuf, sizeof(intrbuf));
207 psc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, mpt_intr, mpt);
208 if (psc->sc_ih == NULL) {
209 aprint_error_dev(mpt->sc_dev, "unable to establish interrupt");
210 if (intrstr != NULL)
211 aprint_error(" at %s", intrstr);
212 aprint_error("\n");
213 return;
214 }
215 aprint_normal_dev(mpt->sc_dev, "interrupting at %s\n", intrstr);
216
217 /* Disable interrupts on the part. */
218 mpt_disable_ints(mpt);
219
220 /* Allocate DMA memory. */
221 if (mpt_dma_mem_alloc(mpt) != 0) {
222 aprint_error_dev(self, "unable to allocate DMA memory\n");
223 return;
224 }
225
226 /* Initialize the hardware. */
227 if (mpt_init(mpt, MPT_DB_INIT_HOST) != 0) {
228 /* Error message already printed. */
229 return;
230 }
231
232 /* Attach to scsipi. */
233 mpt_scsipi_attach(mpt);
234 }
235
236 CFATTACH_DECL_NEW(mpt_pci, sizeof(struct mpt_pci_softc),
237 mpt_pci_match, mpt_pci_attach, NULL, NULL);
238
239