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 |
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 |
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 | |