1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 1998 - 2008 Søren Schmidt <sos@FreeBSD.org>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer,
12 * without modification, immediately at the beginning of the file.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include <sys/param.h>
30 #include <sys/module.h>
31 #include <sys/systm.h>
32 #include <sys/kernel.h>
33 #include <sys/ata.h>
34 #include <sys/bus.h>
35 #include <sys/endian.h>
36 #include <sys/malloc.h>
37 #include <sys/lock.h>
38 #include <sys/mutex.h>
39 #include <sys/sema.h>
40 #include <sys/taskqueue.h>
41 #include <vm/uma.h>
42 #include <machine/stdarg.h>
43 #include <machine/resource.h>
44 #include <machine/bus.h>
45 #include <sys/rman.h>
46 #include <dev/pci/pcivar.h>
47 #include <dev/pci/pcireg.h>
48 #include <dev/ata/ata-all.h>
49 #include <dev/ata/ata-pci.h>
50 #include <ata_if.h>
51
52 /* local prototypes */
53 static int ata_marvell_chipinit(device_t dev);
54 static int ata_marvell_ch_attach(device_t dev);
55 static int ata_marvell_setmode(device_t dev, int target, int mode);
56 static int ata_marvell_dummy_chipinit(device_t dev);
57
58 /* misc defines */
59 #define MV_61XX 61
60 #define MV_91XX 91
61
62 /*
63 * Marvell chipset support functions
64 */
65 #define ATA_MV_HOST_BASE(ch) \
66 ((ch->unit & 3) * 0x0100) + (ch->unit > 3 ? 0x30000 : 0x20000)
67 #define ATA_MV_EDMA_BASE(ch) \
68 ((ch->unit & 3) * 0x2000) + (ch->unit > 3 ? 0x30000 : 0x20000)
69
70 struct ata_marvell_response {
71 u_int16_t tag;
72 u_int8_t edma_status;
73 u_int8_t dev_status;
74 u_int32_t timestamp;
75 };
76
77 struct ata_marvell_dma_prdentry {
78 u_int32_t addrlo;
79 u_int32_t count;
80 u_int32_t addrhi;
81 u_int32_t reserved;
82 };
83
84 static int
ata_marvell_probe(device_t dev)85 ata_marvell_probe(device_t dev)
86 {
87 struct ata_pci_controller *ctlr = device_get_softc(dev);
88 static const struct ata_chip_id ids[] =
89 {{ ATA_M88SE6101, 0, 0, MV_61XX, ATA_UDMA6, "88SE6101" },
90 { ATA_M88SE6102, 0, 0, MV_61XX, ATA_UDMA6, "88SE6102" },
91 { ATA_M88SE6111, 0, 1, MV_61XX, ATA_UDMA6, "88SE6111" },
92 { ATA_M88SE6121, 0, 2, MV_61XX, ATA_UDMA6, "88SE6121" },
93 { ATA_M88SE6141, 0, 4, MV_61XX, ATA_UDMA6, "88SE6141" },
94 { ATA_M88SE6145, 0, 4, MV_61XX, ATA_UDMA6, "88SE6145" },
95 { 0x91a41b4b, 0, 0, MV_91XX, ATA_UDMA6, "88SE912x" },
96 { 0, 0, 0, 0, 0, 0}};
97
98 if (pci_get_vendor(dev) != ATA_MARVELL_ID &&
99 pci_get_vendor(dev) != ATA_MARVELL2_ID)
100 return ENXIO;
101
102 if (!(ctlr->chip = ata_match_chip(dev, ids)))
103 return ENXIO;
104
105 ata_set_desc(dev);
106
107 switch (ctlr->chip->cfg2) {
108 case MV_61XX:
109 ctlr->chipinit = ata_marvell_chipinit;
110 break;
111 case MV_91XX:
112 ctlr->chipinit = ata_marvell_dummy_chipinit;
113 break;
114 }
115 return (BUS_PROBE_LOW_PRIORITY);
116 }
117
118 static int
ata_marvell_chipinit(device_t dev)119 ata_marvell_chipinit(device_t dev)
120 {
121 struct ata_pci_controller *ctlr = device_get_softc(dev);
122 device_t child;
123
124 if (ata_setup_interrupt(dev, ata_generic_intr))
125 return ENXIO;
126 /* Create AHCI subdevice if AHCI part present. */
127 if (ctlr->chip->cfg1) {
128 child = device_add_child(dev, NULL, DEVICE_UNIT_ANY);
129 if (child != NULL) {
130 device_set_ivars(child, (void *)(intptr_t)-1);
131 bus_attach_children(dev);
132 }
133 }
134 ctlr->ch_attach = ata_marvell_ch_attach;
135 ctlr->ch_detach = ata_pci_ch_detach;
136 ctlr->reset = ata_generic_reset;
137 ctlr->setmode = ata_marvell_setmode;
138 ctlr->channels = 1;
139 return (0);
140 }
141
142 static int
ata_marvell_ch_attach(device_t dev)143 ata_marvell_ch_attach(device_t dev)
144 {
145 struct ata_channel *ch = device_get_softc(dev);
146 int error;
147
148 error = ata_pci_ch_attach(dev);
149 /* dont use 32 bit PIO transfers */
150 ch->flags |= ATA_USE_16BIT;
151 ch->flags |= ATA_CHECKS_CABLE;
152 return (error);
153 }
154
155 static int
ata_marvell_setmode(device_t dev,int target,int mode)156 ata_marvell_setmode(device_t dev, int target, int mode)
157 {
158 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
159 struct ata_channel *ch = device_get_softc(dev);
160
161 mode = min(mode, ctlr->chip->max_dma);
162 /* Check for 80pin cable present. */
163 if (ata_dma_check_80pin && mode > ATA_UDMA2 &&
164 ATA_IDX_INB(ch, ATA_BMDEVSPEC_0) & 0x01) {
165 ata_print_cable(dev, "controller");
166 mode = ATA_UDMA2;
167 }
168 /* Nothing to do to setup mode, the controller snoop SET_FEATURE cmd. */
169 return (mode);
170 }
171
172 static int
ata_marvell_dummy_chipinit(device_t dev)173 ata_marvell_dummy_chipinit(device_t dev)
174 {
175 struct ata_pci_controller *ctlr = device_get_softc(dev);
176
177 ctlr->channels = 0;
178 return (0);
179 }
180
181 ATA_DECLARE_DRIVER(ata_marvell);
182