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
68static int mvsatahc_match(device_t, cfdata_t, void *);
69static void mvsatahc_attach(device_t, device_t, void *);
70
71static int mvsatahc_intr(void *);
72
73static void mvsatahc_enable_intr(struct mvsata_port *, int);
74static void mvsatahc_wininit(struct mvsata_softc *, enum marvell_tags *);
75
76CFATTACH_DECL_NEW(mvsata_gt, sizeof(struct mvsata_softc),
77    mvsatahc_match, mvsatahc_attach, NULL, NULL);
78CFATTACH_DECL_NEW(mvsata_mbus, sizeof(struct mvsata_softc),
79    mvsatahc_match, mvsatahc_attach, NULL, NULL);
80
81
82struct 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 */
120static int
121mvsatahc_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 */
141static void
142mvsatahc_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
182static int
183mvsatahc_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
201static void
202mvsatahc_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
216static void
217mvsatahc_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