mvsata_mv.c revision 1.3.10.1 1 /* $NetBSD: mvsata_mv.c,v 1.3.10.1 2012/10/30 17:21:18 yamt Exp $ */
2 /*
3 * Copyright (c) 2008 KIYOHARA Takashi
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
17 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
19 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
20 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
23 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
24 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25 * POSSIBILITY OF SUCH DAMAGE.
26 */
27
28 #include <sys/cdefs.h>
29 __KERNEL_RCSID(0, "$NetBSD: mvsata_mv.c,v 1.3.10.1 2012/10/30 17:21:18 yamt Exp $");
30
31 #include <sys/param.h>
32 #include <sys/bus.h>
33 #include <sys/device.h>
34 #include <sys/errno.h>
35
36 #include <dev/ata/atareg.h>
37 #include <dev/ata/atavar.h>
38 #include <dev/ic/wdcvar.h>
39
40 #include <dev/ic/mvsatareg.h>
41 #include <dev/ic/mvsatavar.h>
42
43 #include <dev/marvell/marvellreg.h>
44 #include <dev/marvell/marvellvar.h>
45
46 #include "locators.h"
47
48
49 #define MVSATAHC_SIZE 0x8000
50
51 #define MVSATAHC_NWINDOW 4
52
53 #define MVSATAHC_MICR 0x20 /* Main Interrupt Cause */
54 #define MVSATAHC_MIMR 0x24 /* Main Interrupt Mask */
55 #define MVSATAHC_MI_SATAERR(p) (1 << ((p) * 2))
56 #define MVSATAHC_MI_SATADONE(p) (1 << (((p) * 2) + 1))
57 #define MVSATAHC_MI_SATADMADONE(p) (1 << ((p) + 4))
58 #define MVSATAHC_MI_SATACOALDONE (1 << 8)
59 #define MVSATAHC_WCR(n) (0x30 + (n) * 0x10) /* WinN Control */
60 #define MVSATAHC_WCR_WINEN (1 << 0)
61 #define MVSATAHC_WCR_TARGET(t) (((t) & 0xf) << 4)
62 #define MVSATAHC_WCR_ATTR(a) (((a) & 0xff) << 8)
63 #define MVSATAHC_WCR_SIZE(s) (((s) - 1) & 0xffff0000)
64 #define MVSATAHC_WBR(n) (0x34 + (n) * 0x10) /* WinN Base */
65 #define MVSATAHC_WBR_BASE(b) ((b) & 0xffff0000)
66
67
68 static int mvsatahc_match(device_t, cfdata_t, void *);
69 static void mvsatahc_attach(device_t, device_t, void *);
70
71 static int mvsatahc_intr(void *);
72
73 static void mvsatahc_enable_intr(struct mvsata_port *, int);
74 static void mvsatahc_wininit(struct mvsata_softc *);
75
76 CFATTACH_DECL_NEW(mvsata_gt, sizeof(struct mvsata_softc),
77 mvsatahc_match, mvsatahc_attach, NULL, NULL);
78 CFATTACH_DECL_NEW(mvsata_mbus, sizeof(struct mvsata_softc),
79 mvsatahc_match, mvsatahc_attach, NULL, NULL);
80
81
82 struct mvsata_product mvsata_products[] = {
83 #if 0
84 /* Discovery VI */
85 { PCI_VENDOR_MARVELL, PCI_PRODUCT_MARVELL_MV64660, ?, ?, gen2?, 0 },
86 #endif
87
88 /* Orion */
89 { PCI_VENDOR_MARVELL, PCI_PRODUCT_MARVELL_88F5082, 1, 1, gen2e, 0 },
90 { PCI_VENDOR_MARVELL, PCI_PRODUCT_MARVELL_88F5182, 1, 2, gen2e, 0 },
91 { PCI_VENDOR_MARVELL, PCI_PRODUCT_MARVELL_88F6082, 1, 1, gen2e, 0 },
92
93 /* Kirkwood */
94 { PCI_VENDOR_MARVELL, PCI_PRODUCT_MARVELL_88F6192, 1, 2, gen2e, 0 },
95 { PCI_VENDOR_MARVELL, PCI_PRODUCT_MARVELL_88F6281, 1, 2, gen2e, 0 },
96 { PCI_VENDOR_MARVELL, PCI_PRODUCT_MARVELL_88F6282, 1, 2, gen2e, 0 },
97
98 /* Discovery Innovation */
99 { PCI_VENDOR_MARVELL, PCI_PRODUCT_MARVELL_MV78100, 1, 2, gen2e, 0 },
100 { PCI_VENDOR_MARVELL, PCI_PRODUCT_MARVELL_MV78200, 1, 2, gen2e, 0 },
101 };
102
103
104 /* ARGSUSED */
105 static int
106 mvsatahc_match(device_t parent, cfdata_t match, void *aux)
107 {
108 struct marvell_attach_args *mva = aux;
109 int i;
110
111 if (strcmp(mva->mva_name, match->cf_name) != 0)
112 return 0;
113 if (mva->mva_offset == MVA_OFFSET_DEFAULT ||
114 mva->mva_irq == MVA_IRQ_DEFAULT)
115 return 0;
116
117 for (i = 0; i < __arraycount(mvsata_products); i++)
118 if (mva->mva_model == mvsata_products[i].model) {
119 mva->mva_size = MVSATAHC_SIZE;
120 return 1;
121 }
122 return 0;
123 }
124
125 /* ARGSUSED */
126 static void
127 mvsatahc_attach(device_t parent, device_t self, void *aux)
128 {
129 struct mvsata_softc *sc = device_private(self);
130 struct marvell_attach_args *mva = aux;
131 uint32_t mask;
132 int port, i;
133
134 aprint_normal(": Marvell Serial-ATA Host Controller (SATAHC)\n");
135 aprint_naive("\n");
136
137 sc->sc_wdcdev.sc_atac.atac_dev = self;
138 sc->sc_model = mva->mva_model;
139 sc->sc_iot = mva->mva_iot;
140 if (bus_space_subregion(mva->mva_iot, mva->mva_ioh, mva->mva_offset,
141 mva->mva_size, &sc->sc_ioh)) {
142 aprint_error_dev(self, "can't map registers\n");
143 return;
144 }
145 sc->sc_dmat = mva->mva_dmat;
146 sc->sc_enable_intr = mvsatahc_enable_intr;
147
148 mvsatahc_wininit(sc);
149
150 for (i = 0; i < __arraycount(mvsata_products); i++)
151 if (mva->mva_model == mvsata_products[i].model)
152 break;
153 KASSERT(i < __arraycount(mvsata_products));
154
155 if (mvsata_attach(sc, &mvsata_products[i], NULL, NULL, 0) != 0)
156 return;
157
158 marvell_intr_establish(mva->mva_irq, IPL_BIO, mvsatahc_intr, sc);
159 mask = 0;
160 for (port = 0; port < sc->sc_port; port++)
161 mask |=
162 MVSATAHC_MI_SATAERR(port) |
163 MVSATAHC_MI_SATADONE(port);
164 bus_space_write_4(sc->sc_iot, sc->sc_ioh, MVSATAHC_MIMR, mask);
165 }
166
167 static int
168 mvsatahc_intr(void *arg)
169 {
170 struct mvsata_softc *sc = (struct mvsata_softc *)arg;
171 struct mvsata_hc *mvhc = &sc->sc_hcs[0];
172 uint32_t cause, handled = 0;
173
174 cause = bus_space_read_4(sc->sc_iot, sc->sc_ioh, MVSATAHC_MICR);
175 if (cause & MVSATAHC_MI_SATAERR(0))
176 handled |= mvsata_error(mvhc->hc_ports[0]);
177 if (cause & MVSATAHC_MI_SATAERR(1))
178 handled |= mvsata_error(mvhc->hc_ports[1]);
179 if (cause & (MVSATAHC_MI_SATADONE(0) | MVSATAHC_MI_SATADONE(1)))
180 handled |= mvsata_intr(mvhc);
181
182 return handled;
183 }
184
185
186 static void
187 mvsatahc_enable_intr(struct mvsata_port *mvport, int on)
188 {
189 struct mvsata_softc *sc =
190 device_private(mvport->port_ata_channel.ch_atac->atac_dev);
191 uint32_t mask;
192
193 mask = bus_space_read_4(sc->sc_iot, sc->sc_ioh, MVSATAHC_MIMR);
194 if (on)
195 mask |= MVSATAHC_MI_SATADONE(mvport->port);
196 else
197 mask &= ~MVSATAHC_MI_SATADONE(mvport->port);
198 bus_space_write_4(sc->sc_iot, sc->sc_ioh, MVSATAHC_MIMR, mask);
199 }
200
201 static void
202 mvsatahc_wininit(struct mvsata_softc *sc)
203 {
204 device_t pdev = device_parent(sc->sc_wdcdev.sc_atac.atac_dev);
205 uint64_t base;
206 uint32_t size;
207 int window, target, attr, rv, i;
208 static int tags[] = {
209 MARVELL_TAG_SDRAM_CS0,
210 MARVELL_TAG_SDRAM_CS1,
211 MARVELL_TAG_SDRAM_CS2,
212 MARVELL_TAG_SDRAM_CS3,
213
214 MARVELL_TAG_UNDEFINED,
215 };
216
217 for (window = 0, i = 0;
218 tags[i] != MARVELL_TAG_UNDEFINED && window < MVSATAHC_NWINDOW;
219 i++) {
220 rv = marvell_winparams_by_tag(pdev, tags[i],
221 &target, &attr, &base, &size);
222 if (rv != 0 || size == 0)
223 continue;
224 if (base > 0xffffffffULL) {
225 aprint_error_dev(sc->sc_wdcdev.sc_atac.atac_dev,
226 "tag %d address 0x%llx not support\n",
227 tags[i], base);
228 continue;
229 }
230
231 bus_space_write_4(sc->sc_iot, sc->sc_ioh,
232 MVSATAHC_WCR(window),
233 MVSATAHC_WCR_WINEN |
234 MVSATAHC_WCR_TARGET(target) |
235 MVSATAHC_WCR_ATTR(attr) |
236 MVSATAHC_WCR_SIZE(size));
237 bus_space_write_4(sc->sc_iot, sc->sc_ioh,
238 MVSATAHC_WBR(window), MVSATAHC_WBR_BASE(base));
239 window++;
240 }
241 for (; window < MVSATAHC_NWINDOW; window++)
242 bus_space_write_4(sc->sc_iot, sc->sc_ioh,
243 MVSATAHC_WCR(window), 0);
244 }
245