1 /*        $NetBSD: mvsata_mv.c,v 1.8 2017/01/07 14:24:27 kiyohara 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 1.8 2017/01/07 14:24:27 kiyohara 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 *, enum marvell_tags *);
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           /* Dove */
103           { PCI_VENDOR_MARVELL, PCI_PRODUCT_MARVELL_88AP510, 1, 1, gen2e, 0 },
104 
105           /* Armada XP */
106           { PCI_VENDOR_MARVELL, PCI_PRODUCT_MARVELL_MV78130, 1, 2, gen2e, 0 },
107           { PCI_VENDOR_MARVELL, PCI_PRODUCT_MARVELL_MV78160, 1, 2, gen2e, 0 },
108           { PCI_VENDOR_MARVELL, PCI_PRODUCT_MARVELL_MV78230, 1, 2, gen2e, 0 },
109           { PCI_VENDOR_MARVELL, PCI_PRODUCT_MARVELL_MV78260, 1, 2, gen2e, 0 },
110           { PCI_VENDOR_MARVELL, PCI_PRODUCT_MARVELL_MV78460, 1, 2, gen2e, 0 },
111 
112           /* Armada 370 */
113           { PCI_VENDOR_MARVELL, PCI_PRODUCT_MARVELL_MV6707, 1, 2, gen2e, 0 },
114           { PCI_VENDOR_MARVELL, PCI_PRODUCT_MARVELL_MV6710, 1, 2, gen2e, 0 },
115           { PCI_VENDOR_MARVELL, PCI_PRODUCT_MARVELL_MV6W11, 1, 2, gen2e, 0 },
116 };
117 
118 
119 /* ARGSUSED */
120 static int
mvsatahc_match(device_t parent,cfdata_t match,void * aux)121 mvsatahc_match(device_t parent, cfdata_t match, void *aux)
122 {
123           struct marvell_attach_args *mva = aux;
124           int i;
125 
126           if (strcmp(mva->mva_name, match->cf_name) != 0)
127                     return 0;
128           if (mva->mva_offset == MVA_OFFSET_DEFAULT ||
129               mva->mva_irq == MVA_IRQ_DEFAULT)
130                         return 0;
131 
132           for (i = 0; i < __arraycount(mvsata_products); i++)
133                     if (mva->mva_model == mvsata_products[i].model) {
134                               mva->mva_size = MVSATAHC_SIZE;
135                               return 1;
136                     }
137           return 0;
138 }
139 
140 /* ARGSUSED */
141 static void
mvsatahc_attach(device_t parent,device_t self,void * aux)142 mvsatahc_attach(device_t parent, device_t self, void *aux)
143 {
144           struct mvsata_softc *sc = device_private(self);
145           struct marvell_attach_args *mva = aux;
146           uint32_t mask;
147           int port, i;
148 
149           aprint_normal(": Marvell Serial-ATA Host Controller (SATAHC)\n");
150           aprint_naive("\n");
151 
152           sc->sc_wdcdev.sc_atac.atac_dev = self;
153           sc->sc_model = mva->mva_model;
154           sc->sc_iot = mva->mva_iot;
155         if (bus_space_subregion(mva->mva_iot, mva->mva_ioh, mva->mva_offset,
156               mva->mva_size, &sc->sc_ioh)) {
157                     aprint_error_dev(self, "can't map registers\n");
158                     return;
159           }
160           sc->sc_dmat = mva->mva_dmat;
161           sc->sc_enable_intr = mvsatahc_enable_intr;
162 
163           mvsatahc_wininit(sc, mva->mva_tags);
164 
165           for (i = 0; i < __arraycount(mvsata_products); i++)
166                     if (mva->mva_model == mvsata_products[i].model)
167                               break;
168           KASSERT(i < __arraycount(mvsata_products));
169 
170           if (mvsata_attach(sc, &mvsata_products[i], NULL, NULL, 0) != 0)
171                     return;
172 
173           marvell_intr_establish(mva->mva_irq, IPL_BIO, mvsatahc_intr, sc);
174           mask = 0;
175           for (port = 0; port < sc->sc_port; port++)
176                     mask |=
177                         MVSATAHC_MI_SATAERR(port) |
178                         MVSATAHC_MI_SATADONE(port);
179           bus_space_write_4(sc->sc_iot, sc->sc_ioh, MVSATAHC_MIMR, mask);
180 }
181 
182 static int
mvsatahc_intr(void * arg)183 mvsatahc_intr(void *arg)
184 {
185           struct mvsata_softc *sc = (struct mvsata_softc *)arg;
186           struct mvsata_hc *mvhc = &sc->sc_hcs[0];
187           uint32_t cause, handled = 0;
188 
189           cause = bus_space_read_4(sc->sc_iot, sc->sc_ioh, MVSATAHC_MICR);
190           if (cause & MVSATAHC_MI_SATAERR(0))
191                     handled |= mvsata_error(mvhc->hc_ports[0]);
192           if (cause & MVSATAHC_MI_SATAERR(1))
193                     handled |= mvsata_error(mvhc->hc_ports[1]);
194           if (cause & (MVSATAHC_MI_SATADONE(0) | MVSATAHC_MI_SATADONE(1)))
195                     handled |= mvsata_intr(mvhc);
196 
197           return handled;
198 }
199 
200 
201 static void
mvsatahc_enable_intr(struct mvsata_port * mvport,int on)202 mvsatahc_enable_intr(struct mvsata_port *mvport, int on)
203 {
204           struct mvsata_softc *sc =
205               device_private(mvport->port_ata_channel.ch_atac->atac_dev);
206           uint32_t mask;
207 
208           mask = bus_space_read_4(sc->sc_iot, sc->sc_ioh, MVSATAHC_MIMR);
209           if (on)
210                     mask |= MVSATAHC_MI_SATADONE(mvport->port);
211           else
212                     mask &= ~MVSATAHC_MI_SATADONE(mvport->port);
213           bus_space_write_4(sc->sc_iot, sc->sc_ioh, MVSATAHC_MIMR, mask);
214 }
215 
216 static void
mvsatahc_wininit(struct mvsata_softc * sc,enum marvell_tags * tags)217 mvsatahc_wininit(struct mvsata_softc *sc, enum marvell_tags *tags)
218 {
219           device_t pdev = device_parent(sc->sc_wdcdev.sc_atac.atac_dev);
220           uint64_t base;
221           uint32_t size;
222           int window, target, attr, rv, i;
223 
224           for (window = 0, i = 0;
225               tags[i] != MARVELL_TAG_UNDEFINED && window < MVSATAHC_NWINDOW;
226               i++) {
227                     rv = marvell_winparams_by_tag(pdev, tags[i],
228                         &target, &attr, &base, &size);
229                     if (rv != 0 || size == 0)
230                               continue;
231                     if (base > 0xffffffffULL) {
232                               aprint_error_dev(sc->sc_wdcdev.sc_atac.atac_dev,
233                                   "tag %d address 0x%llx not support\n",
234                                   tags[i], base);
235                               continue;
236                     }
237 
238                     bus_space_write_4(sc->sc_iot, sc->sc_ioh,
239                         MVSATAHC_WCR(window),
240                         MVSATAHC_WCR_WINEN |
241                         MVSATAHC_WCR_TARGET(target) |
242                         MVSATAHC_WCR_ATTR(attr) |
243                         MVSATAHC_WCR_SIZE(size));
244                     bus_space_write_4(sc->sc_iot, sc->sc_ioh,
245                         MVSATAHC_WBR(window), MVSATAHC_WBR_BASE(base));
246                     window++;
247           }
248           for (; window < MVSATAHC_NWINDOW; window++)
249                     bus_space_write_4(sc->sc_iot, sc->sc_ioh,
250                         MVSATAHC_WCR(window), 0);
251 }
252