piixide.c revision 1.9.2.4 1 1.9.2.4 skrll /* $NetBSD: piixide.c,v 1.9.2.4 2004/09/18 14:49:06 skrll Exp $ */
2 1.9.2.2 skrll
3 1.9.2.2 skrll /*
4 1.9.2.2 skrll * Copyright (c) 1999, 2000, 2001 Manuel Bouyer.
5 1.9.2.2 skrll *
6 1.9.2.2 skrll * Redistribution and use in source and binary forms, with or without
7 1.9.2.2 skrll * modification, are permitted provided that the following conditions
8 1.9.2.2 skrll * are met:
9 1.9.2.2 skrll * 1. Redistributions of source code must retain the above copyright
10 1.9.2.2 skrll * notice, this list of conditions and the following disclaimer.
11 1.9.2.2 skrll * 2. Redistributions in binary form must reproduce the above copyright
12 1.9.2.2 skrll * notice, this list of conditions and the following disclaimer in the
13 1.9.2.2 skrll * documentation and/or other materials provided with the distribution.
14 1.9.2.2 skrll * 3. All advertising materials mentioning features or use of this software
15 1.9.2.2 skrll * must display the following acknowledgement:
16 1.9.2.2 skrll * This product includes software developed by Manuel Bouyer.
17 1.9.2.2 skrll * 4. The name of the author may not be used to endorse or promote products
18 1.9.2.2 skrll * derived from this software without specific prior written permission.
19 1.9.2.2 skrll *
20 1.9.2.2 skrll * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21 1.9.2.2 skrll * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22 1.9.2.2 skrll * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23 1.9.2.2 skrll * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24 1.9.2.2 skrll * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25 1.9.2.2 skrll * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 1.9.2.2 skrll * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 1.9.2.2 skrll * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 1.9.2.2 skrll * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29 1.9.2.2 skrll * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 1.9.2.2 skrll */
31 1.9.2.2 skrll
32 1.9.2.2 skrll #include <sys/param.h>
33 1.9.2.2 skrll #include <sys/systm.h>
34 1.9.2.2 skrll
35 1.9.2.2 skrll #include <dev/pci/pcivar.h>
36 1.9.2.2 skrll #include <dev/pci/pcidevs.h>
37 1.9.2.2 skrll #include <dev/pci/pciidereg.h>
38 1.9.2.2 skrll #include <dev/pci/pciidevar.h>
39 1.9.2.2 skrll #include <dev/pci/pciide_piix_reg.h>
40 1.9.2.2 skrll
41 1.9.2.2 skrll static void piix_chip_map(struct pciide_softc*, struct pci_attach_args *);
42 1.9.2.3 skrll static void piix_setup_channel(struct ata_channel *);
43 1.9.2.3 skrll static void piix3_4_setup_channel(struct ata_channel *);
44 1.9.2.2 skrll static u_int32_t piix_setup_idetim_timings(u_int8_t, u_int8_t, u_int8_t);
45 1.9.2.2 skrll static u_int32_t piix_setup_idetim_drvs(struct ata_drive_datas *);
46 1.9.2.2 skrll static u_int32_t piix_setup_sidetim_timings(u_int8_t, u_int8_t, u_int8_t);
47 1.9.2.2 skrll static void piixsata_chip_map(struct pciide_softc*, struct pci_attach_args *);
48 1.9.2.2 skrll
49 1.9.2.2 skrll static int piixide_match(struct device *, struct cfdata *, void *);
50 1.9.2.2 skrll static void piixide_attach(struct device *, struct device *, void *);
51 1.9.2.2 skrll
52 1.9.2.2 skrll static const struct pciide_product_desc pciide_intel_products[] = {
53 1.9.2.2 skrll { PCI_PRODUCT_INTEL_82092AA,
54 1.9.2.2 skrll 0,
55 1.9.2.2 skrll "Intel 82092AA IDE controller",
56 1.9.2.2 skrll default_chip_map,
57 1.9.2.2 skrll },
58 1.9.2.2 skrll { PCI_PRODUCT_INTEL_82371FB_IDE,
59 1.9.2.2 skrll 0,
60 1.9.2.2 skrll "Intel 82371FB IDE controller (PIIX)",
61 1.9.2.2 skrll piix_chip_map,
62 1.9.2.2 skrll },
63 1.9.2.2 skrll { PCI_PRODUCT_INTEL_82371SB_IDE,
64 1.9.2.2 skrll 0,
65 1.9.2.2 skrll "Intel 82371SB IDE Interface (PIIX3)",
66 1.9.2.2 skrll piix_chip_map,
67 1.9.2.2 skrll },
68 1.9.2.2 skrll { PCI_PRODUCT_INTEL_82371AB_IDE,
69 1.9.2.2 skrll 0,
70 1.9.2.2 skrll "Intel 82371AB IDE controller (PIIX4)",
71 1.9.2.2 skrll piix_chip_map,
72 1.9.2.2 skrll },
73 1.9.2.2 skrll { PCI_PRODUCT_INTEL_82440MX_IDE,
74 1.9.2.2 skrll 0,
75 1.9.2.2 skrll "Intel 82440MX IDE controller",
76 1.9.2.2 skrll piix_chip_map
77 1.9.2.2 skrll },
78 1.9.2.2 skrll { PCI_PRODUCT_INTEL_82801AA_IDE,
79 1.9.2.2 skrll 0,
80 1.9.2.2 skrll "Intel 82801AA IDE Controller (ICH)",
81 1.9.2.2 skrll piix_chip_map,
82 1.9.2.2 skrll },
83 1.9.2.2 skrll { PCI_PRODUCT_INTEL_82801AB_IDE,
84 1.9.2.2 skrll 0,
85 1.9.2.2 skrll "Intel 82801AB IDE Controller (ICH0)",
86 1.9.2.2 skrll piix_chip_map,
87 1.9.2.2 skrll },
88 1.9.2.2 skrll { PCI_PRODUCT_INTEL_82801BA_IDE,
89 1.9.2.2 skrll 0,
90 1.9.2.2 skrll "Intel 82801BA IDE Controller (ICH2)",
91 1.9.2.2 skrll piix_chip_map,
92 1.9.2.2 skrll },
93 1.9.2.2 skrll { PCI_PRODUCT_INTEL_82801BAM_IDE,
94 1.9.2.2 skrll 0,
95 1.9.2.2 skrll "Intel 82801BAM IDE Controller (ICH2-M)",
96 1.9.2.2 skrll piix_chip_map,
97 1.9.2.2 skrll },
98 1.9.2.2 skrll { PCI_PRODUCT_INTEL_82801CA_IDE_1,
99 1.9.2.2 skrll 0,
100 1.9.2.2 skrll "Intel 82801CA IDE Controller (ICH3)",
101 1.9.2.2 skrll piix_chip_map,
102 1.9.2.2 skrll },
103 1.9.2.2 skrll { PCI_PRODUCT_INTEL_82801CA_IDE_2,
104 1.9.2.2 skrll 0,
105 1.9.2.2 skrll "Intel 82801CA IDE Controller (ICH3)",
106 1.9.2.2 skrll piix_chip_map,
107 1.9.2.2 skrll },
108 1.9.2.2 skrll { PCI_PRODUCT_INTEL_82801DB_IDE,
109 1.9.2.2 skrll 0,
110 1.9.2.2 skrll "Intel 82801DB IDE Controller (ICH4)",
111 1.9.2.2 skrll piix_chip_map,
112 1.9.2.2 skrll },
113 1.9.2.2 skrll { PCI_PRODUCT_INTEL_82801DBM_IDE,
114 1.9.2.2 skrll 0,
115 1.9.2.2 skrll "Intel 82801DBM IDE Controller (ICH4-M)",
116 1.9.2.2 skrll piix_chip_map,
117 1.9.2.2 skrll },
118 1.9.2.2 skrll { PCI_PRODUCT_INTEL_82801EB_IDE,
119 1.9.2.2 skrll 0,
120 1.9.2.2 skrll "Intel 82801EB IDE Controller (ICH5)",
121 1.9.2.2 skrll piix_chip_map,
122 1.9.2.2 skrll },
123 1.9.2.2 skrll { PCI_PRODUCT_INTEL_82801EB_SATA,
124 1.9.2.2 skrll 0,
125 1.9.2.2 skrll "Intel 82801EB Serial ATA Controller",
126 1.9.2.2 skrll piixsata_chip_map,
127 1.9.2.2 skrll },
128 1.9.2.2 skrll { PCI_PRODUCT_INTEL_82801ER_SATA,
129 1.9.2.2 skrll 0,
130 1.9.2.2 skrll "Intel 82801ER Serial ATA/Raid Controller",
131 1.9.2.2 skrll piixsata_chip_map,
132 1.9.2.2 skrll },
133 1.9.2.2 skrll { PCI_PRODUCT_INTEL_6300ESB_IDE,
134 1.9.2.2 skrll 0,
135 1.9.2.2 skrll "Intel 6300ESB IDE Controller (ICH5)",
136 1.9.2.2 skrll piix_chip_map,
137 1.9.2.2 skrll },
138 1.9.2.2 skrll { PCI_PRODUCT_INTEL_6300ESB_SATA,
139 1.9.2.2 skrll 0,
140 1.9.2.2 skrll "Intel 6300ESB Serial ATA Controller",
141 1.9.2.2 skrll piixsata_chip_map,
142 1.9.2.2 skrll },
143 1.9.2.2 skrll { 0,
144 1.9.2.2 skrll 0,
145 1.9.2.2 skrll NULL,
146 1.9.2.2 skrll NULL
147 1.9.2.2 skrll }
148 1.9.2.2 skrll };
149 1.9.2.2 skrll
150 1.9.2.2 skrll CFATTACH_DECL(piixide, sizeof(struct pciide_softc),
151 1.9.2.2 skrll piixide_match, piixide_attach, NULL, NULL);
152 1.9.2.2 skrll
153 1.9.2.2 skrll static int
154 1.9.2.2 skrll piixide_match(struct device *parent, struct cfdata *match, void *aux)
155 1.9.2.2 skrll {
156 1.9.2.2 skrll struct pci_attach_args *pa = aux;
157 1.9.2.2 skrll
158 1.9.2.2 skrll if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_INTEL) {
159 1.9.2.2 skrll if (pciide_lookup_product(pa->pa_id, pciide_intel_products))
160 1.9.2.2 skrll return (2);
161 1.9.2.2 skrll }
162 1.9.2.2 skrll return (0);
163 1.9.2.2 skrll }
164 1.9.2.2 skrll
165 1.9.2.2 skrll static void
166 1.9.2.2 skrll piixide_attach(struct device *parent, struct device *self, void *aux)
167 1.9.2.2 skrll {
168 1.9.2.2 skrll struct pci_attach_args *pa = aux;
169 1.9.2.2 skrll struct pciide_softc *sc = (struct pciide_softc *)self;
170 1.9.2.2 skrll
171 1.9.2.2 skrll pciide_common_attach(sc, pa,
172 1.9.2.2 skrll pciide_lookup_product(pa->pa_id, pciide_intel_products));
173 1.9.2.2 skrll
174 1.9.2.2 skrll }
175 1.9.2.2 skrll
176 1.9.2.2 skrll static void
177 1.9.2.2 skrll piix_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa)
178 1.9.2.2 skrll {
179 1.9.2.2 skrll struct pciide_channel *cp;
180 1.9.2.2 skrll int channel;
181 1.9.2.2 skrll u_int32_t idetim;
182 1.9.2.2 skrll bus_size_t cmdsize, ctlsize;
183 1.9.2.2 skrll
184 1.9.2.2 skrll if (pciide_chipen(sc, pa) == 0)
185 1.9.2.2 skrll return;
186 1.9.2.2 skrll
187 1.9.2.2 skrll aprint_normal("%s: bus-master DMA support present",
188 1.9.2.3 skrll sc->sc_wdcdev.sc_atac.atac_dev.dv_xname);
189 1.9.2.2 skrll pciide_mapreg_dma(sc, pa);
190 1.9.2.2 skrll aprint_normal("\n");
191 1.9.2.3 skrll sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DATA16 | ATAC_CAP_DATA32;
192 1.9.2.2 skrll if (sc->sc_dma_ok) {
193 1.9.2.3 skrll sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DMA;
194 1.9.2.2 skrll sc->sc_wdcdev.irqack = pciide_irqack;
195 1.9.2.2 skrll switch(sc->sc_pp->ide_product) {
196 1.9.2.2 skrll case PCI_PRODUCT_INTEL_82371AB_IDE:
197 1.9.2.2 skrll case PCI_PRODUCT_INTEL_82440MX_IDE:
198 1.9.2.2 skrll case PCI_PRODUCT_INTEL_82801AA_IDE:
199 1.9.2.2 skrll case PCI_PRODUCT_INTEL_82801AB_IDE:
200 1.9.2.2 skrll case PCI_PRODUCT_INTEL_82801BA_IDE:
201 1.9.2.2 skrll case PCI_PRODUCT_INTEL_82801BAM_IDE:
202 1.9.2.2 skrll case PCI_PRODUCT_INTEL_82801CA_IDE_1:
203 1.9.2.2 skrll case PCI_PRODUCT_INTEL_82801CA_IDE_2:
204 1.9.2.2 skrll case PCI_PRODUCT_INTEL_82801DB_IDE:
205 1.9.2.2 skrll case PCI_PRODUCT_INTEL_82801DBM_IDE:
206 1.9.2.2 skrll case PCI_PRODUCT_INTEL_82801EB_IDE:
207 1.9.2.2 skrll case PCI_PRODUCT_INTEL_6300ESB_IDE:
208 1.9.2.3 skrll sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_UDMA;
209 1.9.2.2 skrll }
210 1.9.2.2 skrll }
211 1.9.2.3 skrll sc->sc_wdcdev.sc_atac.atac_pio_cap = 4;
212 1.9.2.3 skrll sc->sc_wdcdev.sc_atac.atac_dma_cap = 2;
213 1.9.2.2 skrll switch(sc->sc_pp->ide_product) {
214 1.9.2.2 skrll case PCI_PRODUCT_INTEL_82801AA_IDE:
215 1.9.2.3 skrll sc->sc_wdcdev.sc_atac.atac_udma_cap = 4;
216 1.9.2.2 skrll break;
217 1.9.2.2 skrll case PCI_PRODUCT_INTEL_82801BA_IDE:
218 1.9.2.2 skrll case PCI_PRODUCT_INTEL_82801BAM_IDE:
219 1.9.2.2 skrll case PCI_PRODUCT_INTEL_82801CA_IDE_1:
220 1.9.2.2 skrll case PCI_PRODUCT_INTEL_82801CA_IDE_2:
221 1.9.2.2 skrll case PCI_PRODUCT_INTEL_82801DB_IDE:
222 1.9.2.2 skrll case PCI_PRODUCT_INTEL_82801DBM_IDE:
223 1.9.2.2 skrll case PCI_PRODUCT_INTEL_82801EB_IDE:
224 1.9.2.2 skrll case PCI_PRODUCT_INTEL_6300ESB_IDE:
225 1.9.2.3 skrll sc->sc_wdcdev.sc_atac.atac_udma_cap = 5;
226 1.9.2.2 skrll break;
227 1.9.2.2 skrll default:
228 1.9.2.3 skrll sc->sc_wdcdev.sc_atac.atac_udma_cap = 2;
229 1.9.2.2 skrll }
230 1.9.2.2 skrll if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82371FB_IDE)
231 1.9.2.3 skrll sc->sc_wdcdev.sc_atac.atac_set_modes = piix_setup_channel;
232 1.9.2.2 skrll else
233 1.9.2.3 skrll sc->sc_wdcdev.sc_atac.atac_set_modes = piix3_4_setup_channel;
234 1.9.2.3 skrll sc->sc_wdcdev.sc_atac.atac_channels = sc->wdc_chanarray;
235 1.9.2.3 skrll sc->sc_wdcdev.sc_atac.atac_nchannels = PCIIDE_NUM_CHANNELS;
236 1.9.2.2 skrll
237 1.9.2.3 skrll ATADEBUG_PRINT(("piix_setup_chip: old idetim=0x%x",
238 1.9.2.2 skrll pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM)),
239 1.9.2.2 skrll DEBUG_PROBE);
240 1.9.2.2 skrll if (sc->sc_pp->ide_product != PCI_PRODUCT_INTEL_82371FB_IDE) {
241 1.9.2.3 skrll ATADEBUG_PRINT((", sidetim=0x%x",
242 1.9.2.2 skrll pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_SIDETIM)),
243 1.9.2.2 skrll DEBUG_PROBE);
244 1.9.2.3 skrll if (sc->sc_wdcdev.sc_atac.atac_cap & ATAC_CAP_UDMA) {
245 1.9.2.3 skrll ATADEBUG_PRINT((", udamreg 0x%x",
246 1.9.2.2 skrll pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_UDMAREG)),
247 1.9.2.2 skrll DEBUG_PROBE);
248 1.9.2.2 skrll }
249 1.9.2.2 skrll if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AA_IDE ||
250 1.9.2.2 skrll sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AB_IDE ||
251 1.9.2.2 skrll sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BA_IDE ||
252 1.9.2.2 skrll sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BAM_IDE ||
253 1.9.2.2 skrll sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801CA_IDE_1 ||
254 1.9.2.2 skrll sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801CA_IDE_2 ||
255 1.9.2.2 skrll sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801DB_IDE ||
256 1.9.2.2 skrll sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801DBM_IDE ||
257 1.9.2.2 skrll sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801EB_IDE ||
258 1.9.2.2 skrll sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_6300ESB_IDE) {
259 1.9.2.3 skrll ATADEBUG_PRINT((", IDE_CONTROL 0x%x",
260 1.9.2.2 skrll pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_CONFIG)),
261 1.9.2.2 skrll DEBUG_PROBE);
262 1.9.2.2 skrll }
263 1.9.2.2 skrll
264 1.9.2.2 skrll }
265 1.9.2.3 skrll ATADEBUG_PRINT(("\n"), DEBUG_PROBE);
266 1.9.2.2 skrll
267 1.9.2.3 skrll wdc_allocate_regs(&sc->sc_wdcdev);
268 1.9.2.3 skrll
269 1.9.2.3 skrll for (channel = 0; channel < sc->sc_wdcdev.sc_atac.atac_nchannels;
270 1.9.2.3 skrll channel++) {
271 1.9.2.2 skrll cp = &sc->pciide_channels[channel];
272 1.9.2.2 skrll /* PIIX is compat-only */
273 1.9.2.2 skrll if (pciide_chansetup(sc, channel, 0) == 0)
274 1.9.2.2 skrll continue;
275 1.9.2.2 skrll idetim = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM);
276 1.9.2.2 skrll if ((PIIX_IDETIM_READ(idetim, channel) &
277 1.9.2.2 skrll PIIX_IDETIM_IDE) == 0) {
278 1.9.2.2 skrll #if 1
279 1.9.2.2 skrll aprint_normal("%s: %s channel ignored (disabled)\n",
280 1.9.2.3 skrll sc->sc_wdcdev.sc_atac.atac_dev.dv_xname, cp->name);
281 1.9.2.3 skrll cp->ata_channel.ch_flags |= ATACH_DISABLED;
282 1.9.2.2 skrll continue;
283 1.9.2.2 skrll #else
284 1.9.2.2 skrll pcireg_t interface;
285 1.9.2.2 skrll
286 1.9.2.2 skrll idetim = PIIX_IDETIM_SET(idetim, PIIX_IDETIM_IDE,
287 1.9.2.2 skrll channel);
288 1.9.2.2 skrll pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_IDETIM,
289 1.9.2.2 skrll idetim);
290 1.9.2.2 skrll interface = PCI_INTERFACE(pci_conf_read(sc->sc_pc,
291 1.9.2.2 skrll sc->sc_tag, PCI_CLASS_REG));
292 1.9.2.2 skrll aprint_normal("channel %d idetim=%08x interface=%02x\n",
293 1.9.2.2 skrll channel, idetim, interface);
294 1.9.2.2 skrll #endif
295 1.9.2.2 skrll }
296 1.9.2.2 skrll /* PIIX are compat-only pciide devices */
297 1.9.2.2 skrll pciide_mapchan(pa, cp, 0, &cmdsize, &ctlsize, pciide_pci_intr);
298 1.9.2.2 skrll }
299 1.9.2.2 skrll
300 1.9.2.3 skrll ATADEBUG_PRINT(("piix_setup_chip: idetim=0x%x",
301 1.9.2.2 skrll pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM)),
302 1.9.2.2 skrll DEBUG_PROBE);
303 1.9.2.2 skrll if (sc->sc_pp->ide_product != PCI_PRODUCT_INTEL_82371FB_IDE) {
304 1.9.2.3 skrll ATADEBUG_PRINT((", sidetim=0x%x",
305 1.9.2.2 skrll pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_SIDETIM)),
306 1.9.2.2 skrll DEBUG_PROBE);
307 1.9.2.3 skrll if (sc->sc_wdcdev.sc_atac.atac_cap & ATAC_CAP_UDMA) {
308 1.9.2.3 skrll ATADEBUG_PRINT((", udamreg 0x%x",
309 1.9.2.2 skrll pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_UDMAREG)),
310 1.9.2.2 skrll DEBUG_PROBE);
311 1.9.2.2 skrll }
312 1.9.2.2 skrll if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AA_IDE ||
313 1.9.2.2 skrll sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AB_IDE ||
314 1.9.2.2 skrll sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BA_IDE ||
315 1.9.2.2 skrll sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BAM_IDE ||
316 1.9.2.2 skrll sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801CA_IDE_1 ||
317 1.9.2.2 skrll sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801CA_IDE_2 ||
318 1.9.2.2 skrll sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801DB_IDE ||
319 1.9.2.2 skrll sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801DBM_IDE ||
320 1.9.2.2 skrll sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801EB_IDE ||
321 1.9.2.2 skrll sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_6300ESB_IDE) {
322 1.9.2.3 skrll ATADEBUG_PRINT((", IDE_CONTROL 0x%x",
323 1.9.2.2 skrll pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_CONFIG)),
324 1.9.2.2 skrll DEBUG_PROBE);
325 1.9.2.2 skrll }
326 1.9.2.2 skrll }
327 1.9.2.3 skrll ATADEBUG_PRINT(("\n"), DEBUG_PROBE);
328 1.9.2.2 skrll }
329 1.9.2.2 skrll
330 1.9.2.2 skrll static void
331 1.9.2.3 skrll piix_setup_channel(struct ata_channel *chp)
332 1.9.2.2 skrll {
333 1.9.2.2 skrll u_int8_t mode[2], drive;
334 1.9.2.2 skrll u_int32_t oidetim, idetim, idedma_ctl;
335 1.9.2.3 skrll struct pciide_channel *cp = CHAN_TO_PCHAN(chp);
336 1.9.2.3 skrll struct pciide_softc *sc = CHAN_TO_PCIIDE(chp);
337 1.9.2.3 skrll struct ata_drive_datas *drvp = cp->ata_channel.ch_drive;
338 1.9.2.2 skrll
339 1.9.2.2 skrll oidetim = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM);
340 1.9.2.2 skrll idetim = PIIX_IDETIM_CLEAR(oidetim, 0xffff, chp->ch_channel);
341 1.9.2.2 skrll idedma_ctl = 0;
342 1.9.2.2 skrll
343 1.9.2.2 skrll /* set up new idetim: Enable IDE registers decode */
344 1.9.2.2 skrll idetim = PIIX_IDETIM_SET(idetim, PIIX_IDETIM_IDE,
345 1.9.2.2 skrll chp->ch_channel);
346 1.9.2.2 skrll
347 1.9.2.2 skrll /* setup DMA */
348 1.9.2.2 skrll pciide_channel_dma_setup(cp);
349 1.9.2.2 skrll
350 1.9.2.2 skrll /*
351 1.9.2.2 skrll * Here we have to mess up with drives mode: PIIX can't have
352 1.9.2.2 skrll * different timings for master and slave drives.
353 1.9.2.2 skrll * We need to find the best combination.
354 1.9.2.2 skrll */
355 1.9.2.2 skrll
356 1.9.2.2 skrll /* If both drives supports DMA, take the lower mode */
357 1.9.2.2 skrll if ((drvp[0].drive_flags & DRIVE_DMA) &&
358 1.9.2.2 skrll (drvp[1].drive_flags & DRIVE_DMA)) {
359 1.9.2.2 skrll mode[0] = mode[1] =
360 1.9.2.2 skrll min(drvp[0].DMA_mode, drvp[1].DMA_mode);
361 1.9.2.2 skrll drvp[0].DMA_mode = mode[0];
362 1.9.2.2 skrll drvp[1].DMA_mode = mode[1];
363 1.9.2.2 skrll goto ok;
364 1.9.2.2 skrll }
365 1.9.2.2 skrll /*
366 1.9.2.2 skrll * If only one drive supports DMA, use its mode, and
367 1.9.2.2 skrll * put the other one in PIO mode 0 if mode not compatible
368 1.9.2.2 skrll */
369 1.9.2.2 skrll if (drvp[0].drive_flags & DRIVE_DMA) {
370 1.9.2.2 skrll mode[0] = drvp[0].DMA_mode;
371 1.9.2.2 skrll mode[1] = drvp[1].PIO_mode;
372 1.9.2.2 skrll if (piix_isp_pio[mode[1]] != piix_isp_dma[mode[0]] ||
373 1.9.2.2 skrll piix_rtc_pio[mode[1]] != piix_rtc_dma[mode[0]])
374 1.9.2.2 skrll mode[1] = drvp[1].PIO_mode = 0;
375 1.9.2.2 skrll goto ok;
376 1.9.2.2 skrll }
377 1.9.2.2 skrll if (drvp[1].drive_flags & DRIVE_DMA) {
378 1.9.2.2 skrll mode[1] = drvp[1].DMA_mode;
379 1.9.2.2 skrll mode[0] = drvp[0].PIO_mode;
380 1.9.2.2 skrll if (piix_isp_pio[mode[0]] != piix_isp_dma[mode[1]] ||
381 1.9.2.2 skrll piix_rtc_pio[mode[0]] != piix_rtc_dma[mode[1]])
382 1.9.2.2 skrll mode[0] = drvp[0].PIO_mode = 0;
383 1.9.2.2 skrll goto ok;
384 1.9.2.2 skrll }
385 1.9.2.2 skrll /*
386 1.9.2.2 skrll * If both drives are not DMA, takes the lower mode, unless
387 1.9.2.2 skrll * one of them is PIO mode < 2
388 1.9.2.2 skrll */
389 1.9.2.2 skrll if (drvp[0].PIO_mode < 2) {
390 1.9.2.2 skrll mode[0] = drvp[0].PIO_mode = 0;
391 1.9.2.2 skrll mode[1] = drvp[1].PIO_mode;
392 1.9.2.2 skrll } else if (drvp[1].PIO_mode < 2) {
393 1.9.2.2 skrll mode[1] = drvp[1].PIO_mode = 0;
394 1.9.2.2 skrll mode[0] = drvp[0].PIO_mode;
395 1.9.2.2 skrll } else {
396 1.9.2.2 skrll mode[0] = mode[1] =
397 1.9.2.2 skrll min(drvp[1].PIO_mode, drvp[0].PIO_mode);
398 1.9.2.2 skrll drvp[0].PIO_mode = mode[0];
399 1.9.2.2 skrll drvp[1].PIO_mode = mode[1];
400 1.9.2.2 skrll }
401 1.9.2.2 skrll ok: /* The modes are setup */
402 1.9.2.2 skrll for (drive = 0; drive < 2; drive++) {
403 1.9.2.2 skrll if (drvp[drive].drive_flags & DRIVE_DMA) {
404 1.9.2.2 skrll idetim |= piix_setup_idetim_timings(
405 1.9.2.2 skrll mode[drive], 1, chp->ch_channel);
406 1.9.2.2 skrll goto end;
407 1.9.2.2 skrll }
408 1.9.2.2 skrll }
409 1.9.2.2 skrll /* If we are there, none of the drives are DMA */
410 1.9.2.2 skrll if (mode[0] >= 2)
411 1.9.2.2 skrll idetim |= piix_setup_idetim_timings(
412 1.9.2.2 skrll mode[0], 0, chp->ch_channel);
413 1.9.2.2 skrll else
414 1.9.2.2 skrll idetim |= piix_setup_idetim_timings(
415 1.9.2.2 skrll mode[1], 0, chp->ch_channel);
416 1.9.2.2 skrll end: /*
417 1.9.2.2 skrll * timing mode is now set up in the controller. Enable
418 1.9.2.2 skrll * it per-drive
419 1.9.2.2 skrll */
420 1.9.2.2 skrll for (drive = 0; drive < 2; drive++) {
421 1.9.2.2 skrll /* If no drive, skip */
422 1.9.2.2 skrll if ((drvp[drive].drive_flags & DRIVE) == 0)
423 1.9.2.2 skrll continue;
424 1.9.2.2 skrll idetim |= piix_setup_idetim_drvs(&drvp[drive]);
425 1.9.2.2 skrll if (drvp[drive].drive_flags & DRIVE_DMA)
426 1.9.2.2 skrll idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
427 1.9.2.2 skrll }
428 1.9.2.2 skrll if (idedma_ctl != 0) {
429 1.9.2.2 skrll /* Add software bits in status register */
430 1.9.2.2 skrll bus_space_write_1(sc->sc_dma_iot, cp->dma_iohs[IDEDMA_CTL], 0,
431 1.9.2.2 skrll idedma_ctl);
432 1.9.2.2 skrll }
433 1.9.2.2 skrll pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_IDETIM, idetim);
434 1.9.2.2 skrll }
435 1.9.2.2 skrll
436 1.9.2.2 skrll static void
437 1.9.2.3 skrll piix3_4_setup_channel(struct ata_channel *chp)
438 1.9.2.2 skrll {
439 1.9.2.2 skrll struct ata_drive_datas *drvp;
440 1.9.2.2 skrll u_int32_t oidetim, idetim, sidetim, udmareg, ideconf, idedma_ctl;
441 1.9.2.3 skrll struct pciide_channel *cp = CHAN_TO_PCHAN(chp);
442 1.9.2.3 skrll struct pciide_softc *sc = CHAN_TO_PCIIDE(chp);
443 1.9.2.2 skrll struct wdc_softc *wdc = &sc->sc_wdcdev;
444 1.9.2.3 skrll int drive, s;
445 1.9.2.2 skrll int channel = chp->ch_channel;
446 1.9.2.2 skrll
447 1.9.2.2 skrll oidetim = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM);
448 1.9.2.2 skrll sidetim = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_SIDETIM);
449 1.9.2.2 skrll udmareg = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_UDMAREG);
450 1.9.2.2 skrll ideconf = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_CONFIG);
451 1.9.2.2 skrll idetim = PIIX_IDETIM_CLEAR(oidetim, 0xffff, channel);
452 1.9.2.2 skrll sidetim &= ~(PIIX_SIDETIM_ISP_MASK(channel) |
453 1.9.2.2 skrll PIIX_SIDETIM_RTC_MASK(channel));
454 1.9.2.2 skrll idedma_ctl = 0;
455 1.9.2.2 skrll
456 1.9.2.2 skrll /* set up new idetim: Enable IDE registers decode */
457 1.9.2.2 skrll idetim = PIIX_IDETIM_SET(idetim, PIIX_IDETIM_IDE, channel);
458 1.9.2.2 skrll
459 1.9.2.2 skrll /* setup DMA if needed */
460 1.9.2.2 skrll pciide_channel_dma_setup(cp);
461 1.9.2.2 skrll
462 1.9.2.2 skrll for (drive = 0; drive < 2; drive++) {
463 1.9.2.2 skrll udmareg &= ~(PIIX_UDMACTL_DRV_EN(channel, drive) |
464 1.9.2.2 skrll PIIX_UDMATIM_SET(0x3, channel, drive));
465 1.9.2.2 skrll drvp = &chp->ch_drive[drive];
466 1.9.2.2 skrll /* If no drive, skip */
467 1.9.2.2 skrll if ((drvp->drive_flags & DRIVE) == 0)
468 1.9.2.2 skrll continue;
469 1.9.2.2 skrll if (((drvp->drive_flags & DRIVE_DMA) == 0 &&
470 1.9.2.2 skrll (drvp->drive_flags & DRIVE_UDMA) == 0))
471 1.9.2.2 skrll goto pio;
472 1.9.2.2 skrll
473 1.9.2.2 skrll if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AA_IDE ||
474 1.9.2.2 skrll sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AB_IDE ||
475 1.9.2.2 skrll sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BA_IDE ||
476 1.9.2.2 skrll sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BAM_IDE ||
477 1.9.2.2 skrll sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801CA_IDE_1 ||
478 1.9.2.2 skrll sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801CA_IDE_2 ||
479 1.9.2.2 skrll sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801DB_IDE ||
480 1.9.2.2 skrll sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801DBM_IDE ||
481 1.9.2.2 skrll sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801EB_IDE ||
482 1.9.2.2 skrll sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_6300ESB_IDE) {
483 1.9.2.2 skrll ideconf |= PIIX_CONFIG_PINGPONG;
484 1.9.2.2 skrll }
485 1.9.2.2 skrll if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BA_IDE ||
486 1.9.2.2 skrll sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BAM_IDE ||
487 1.9.2.2 skrll sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801CA_IDE_1 ||
488 1.9.2.2 skrll sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801CA_IDE_2 ||
489 1.9.2.2 skrll sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801DB_IDE ||
490 1.9.2.2 skrll sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801DBM_IDE ||
491 1.9.2.2 skrll sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801EB_IDE ||
492 1.9.2.2 skrll sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_6300ESB_IDE) {
493 1.9.2.2 skrll /* setup Ultra/100 */
494 1.9.2.2 skrll if (drvp->UDMA_mode > 2 &&
495 1.9.2.2 skrll (ideconf & PIIX_CONFIG_CR(channel, drive)) == 0)
496 1.9.2.2 skrll drvp->UDMA_mode = 2;
497 1.9.2.2 skrll if (drvp->UDMA_mode > 4) {
498 1.9.2.2 skrll ideconf |= PIIX_CONFIG_UDMA100(channel, drive);
499 1.9.2.2 skrll } else {
500 1.9.2.2 skrll ideconf &= ~PIIX_CONFIG_UDMA100(channel, drive);
501 1.9.2.2 skrll if (drvp->UDMA_mode > 2) {
502 1.9.2.2 skrll ideconf |= PIIX_CONFIG_UDMA66(channel,
503 1.9.2.2 skrll drive);
504 1.9.2.2 skrll } else {
505 1.9.2.2 skrll ideconf &= ~PIIX_CONFIG_UDMA66(channel,
506 1.9.2.2 skrll drive);
507 1.9.2.2 skrll }
508 1.9.2.2 skrll }
509 1.9.2.2 skrll }
510 1.9.2.2 skrll if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AA_IDE) {
511 1.9.2.2 skrll /* setup Ultra/66 */
512 1.9.2.2 skrll if (drvp->UDMA_mode > 2 &&
513 1.9.2.2 skrll (ideconf & PIIX_CONFIG_CR(channel, drive)) == 0)
514 1.9.2.2 skrll drvp->UDMA_mode = 2;
515 1.9.2.2 skrll if (drvp->UDMA_mode > 2)
516 1.9.2.2 skrll ideconf |= PIIX_CONFIG_UDMA66(channel, drive);
517 1.9.2.2 skrll else
518 1.9.2.2 skrll ideconf &= ~PIIX_CONFIG_UDMA66(channel, drive);
519 1.9.2.2 skrll }
520 1.9.2.3 skrll if ((wdc->sc_atac.atac_cap & ATAC_CAP_UDMA) &&
521 1.9.2.2 skrll (drvp->drive_flags & DRIVE_UDMA)) {
522 1.9.2.2 skrll /* use Ultra/DMA */
523 1.9.2.3 skrll s = splbio();
524 1.9.2.2 skrll drvp->drive_flags &= ~DRIVE_DMA;
525 1.9.2.3 skrll splx(s);
526 1.9.2.2 skrll udmareg |= PIIX_UDMACTL_DRV_EN( channel, drive);
527 1.9.2.2 skrll udmareg |= PIIX_UDMATIM_SET(
528 1.9.2.2 skrll piix4_sct_udma[drvp->UDMA_mode], channel, drive);
529 1.9.2.2 skrll } else {
530 1.9.2.2 skrll /* use Multiword DMA */
531 1.9.2.3 skrll s = splbio();
532 1.9.2.2 skrll drvp->drive_flags &= ~DRIVE_UDMA;
533 1.9.2.3 skrll splx(s);
534 1.9.2.2 skrll if (drive == 0) {
535 1.9.2.2 skrll idetim |= piix_setup_idetim_timings(
536 1.9.2.2 skrll drvp->DMA_mode, 1, channel);
537 1.9.2.2 skrll } else {
538 1.9.2.2 skrll sidetim |= piix_setup_sidetim_timings(
539 1.9.2.2 skrll drvp->DMA_mode, 1, channel);
540 1.9.2.2 skrll idetim =PIIX_IDETIM_SET(idetim,
541 1.9.2.2 skrll PIIX_IDETIM_SITRE, channel);
542 1.9.2.2 skrll }
543 1.9.2.2 skrll }
544 1.9.2.2 skrll idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
545 1.9.2.2 skrll
546 1.9.2.2 skrll pio: /* use PIO mode */
547 1.9.2.2 skrll idetim |= piix_setup_idetim_drvs(drvp);
548 1.9.2.2 skrll if (drive == 0) {
549 1.9.2.2 skrll idetim |= piix_setup_idetim_timings(
550 1.9.2.2 skrll drvp->PIO_mode, 0, channel);
551 1.9.2.2 skrll } else {
552 1.9.2.2 skrll sidetim |= piix_setup_sidetim_timings(
553 1.9.2.2 skrll drvp->PIO_mode, 0, channel);
554 1.9.2.2 skrll idetim =PIIX_IDETIM_SET(idetim,
555 1.9.2.2 skrll PIIX_IDETIM_SITRE, channel);
556 1.9.2.2 skrll }
557 1.9.2.2 skrll }
558 1.9.2.2 skrll if (idedma_ctl != 0) {
559 1.9.2.2 skrll /* Add software bits in status register */
560 1.9.2.2 skrll bus_space_write_1(sc->sc_dma_iot, cp->dma_iohs[IDEDMA_CTL], 0,
561 1.9.2.2 skrll idedma_ctl);
562 1.9.2.2 skrll }
563 1.9.2.2 skrll pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_IDETIM, idetim);
564 1.9.2.2 skrll pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_SIDETIM, sidetim);
565 1.9.2.2 skrll pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_UDMAREG, udmareg);
566 1.9.2.2 skrll pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_CONFIG, ideconf);
567 1.9.2.2 skrll }
568 1.9.2.2 skrll
569 1.9.2.2 skrll
570 1.9.2.2 skrll /* setup ISP and RTC fields, based on mode */
571 1.9.2.2 skrll static u_int32_t
572 1.9.2.2 skrll piix_setup_idetim_timings(mode, dma, channel)
573 1.9.2.2 skrll u_int8_t mode;
574 1.9.2.2 skrll u_int8_t dma;
575 1.9.2.2 skrll u_int8_t channel;
576 1.9.2.2 skrll {
577 1.9.2.2 skrll
578 1.9.2.2 skrll if (dma)
579 1.9.2.2 skrll return PIIX_IDETIM_SET(0,
580 1.9.2.2 skrll PIIX_IDETIM_ISP_SET(piix_isp_dma[mode]) |
581 1.9.2.2 skrll PIIX_IDETIM_RTC_SET(piix_rtc_dma[mode]),
582 1.9.2.2 skrll channel);
583 1.9.2.2 skrll else
584 1.9.2.2 skrll return PIIX_IDETIM_SET(0,
585 1.9.2.2 skrll PIIX_IDETIM_ISP_SET(piix_isp_pio[mode]) |
586 1.9.2.2 skrll PIIX_IDETIM_RTC_SET(piix_rtc_pio[mode]),
587 1.9.2.2 skrll channel);
588 1.9.2.2 skrll }
589 1.9.2.2 skrll
590 1.9.2.2 skrll /* setup DTE, PPE, IE and TIME field based on PIO mode */
591 1.9.2.2 skrll static u_int32_t
592 1.9.2.2 skrll piix_setup_idetim_drvs(drvp)
593 1.9.2.2 skrll struct ata_drive_datas *drvp;
594 1.9.2.2 skrll {
595 1.9.2.2 skrll u_int32_t ret = 0;
596 1.9.2.3 skrll struct ata_channel *chp = drvp->chnl_softc;
597 1.9.2.2 skrll u_int8_t channel = chp->ch_channel;
598 1.9.2.2 skrll u_int8_t drive = drvp->drive;
599 1.9.2.2 skrll
600 1.9.2.2 skrll /*
601 1.9.2.2 skrll * If drive is using UDMA, timings setups are independant
602 1.9.2.2 skrll * So just check DMA and PIO here.
603 1.9.2.2 skrll */
604 1.9.2.2 skrll if (drvp->drive_flags & DRIVE_DMA) {
605 1.9.2.2 skrll /* if mode = DMA mode 0, use compatible timings */
606 1.9.2.2 skrll if ((drvp->drive_flags & DRIVE_DMA) &&
607 1.9.2.2 skrll drvp->DMA_mode == 0) {
608 1.9.2.2 skrll drvp->PIO_mode = 0;
609 1.9.2.2 skrll return ret;
610 1.9.2.2 skrll }
611 1.9.2.2 skrll ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_TIME(drive), channel);
612 1.9.2.2 skrll /*
613 1.9.2.2 skrll * PIO and DMA timings are the same, use fast timings for PIO
614 1.9.2.2 skrll * too, else use compat timings.
615 1.9.2.2 skrll */
616 1.9.2.2 skrll if ((piix_isp_pio[drvp->PIO_mode] !=
617 1.9.2.2 skrll piix_isp_dma[drvp->DMA_mode]) ||
618 1.9.2.2 skrll (piix_rtc_pio[drvp->PIO_mode] !=
619 1.9.2.2 skrll piix_rtc_dma[drvp->DMA_mode]))
620 1.9.2.2 skrll drvp->PIO_mode = 0;
621 1.9.2.2 skrll /* if PIO mode <= 2, use compat timings for PIO */
622 1.9.2.2 skrll if (drvp->PIO_mode <= 2) {
623 1.9.2.2 skrll ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_DTE(drive),
624 1.9.2.2 skrll channel);
625 1.9.2.2 skrll return ret;
626 1.9.2.2 skrll }
627 1.9.2.2 skrll }
628 1.9.2.2 skrll
629 1.9.2.2 skrll /*
630 1.9.2.2 skrll * Now setup PIO modes. If mode < 2, use compat timings.
631 1.9.2.2 skrll * Else enable fast timings. Enable IORDY and prefetch/post
632 1.9.2.2 skrll * if PIO mode >= 3.
633 1.9.2.2 skrll */
634 1.9.2.2 skrll
635 1.9.2.2 skrll if (drvp->PIO_mode < 2)
636 1.9.2.2 skrll return ret;
637 1.9.2.2 skrll
638 1.9.2.2 skrll ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_TIME(drive), channel);
639 1.9.2.2 skrll if (drvp->PIO_mode >= 3) {
640 1.9.2.2 skrll ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_IE(drive), channel);
641 1.9.2.2 skrll ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_PPE(drive), channel);
642 1.9.2.2 skrll }
643 1.9.2.2 skrll return ret;
644 1.9.2.2 skrll }
645 1.9.2.2 skrll
646 1.9.2.2 skrll /* setup values in SIDETIM registers, based on mode */
647 1.9.2.2 skrll static u_int32_t
648 1.9.2.2 skrll piix_setup_sidetim_timings(mode, dma, channel)
649 1.9.2.2 skrll u_int8_t mode;
650 1.9.2.2 skrll u_int8_t dma;
651 1.9.2.2 skrll u_int8_t channel;
652 1.9.2.2 skrll {
653 1.9.2.2 skrll if (dma)
654 1.9.2.2 skrll return PIIX_SIDETIM_ISP_SET(piix_isp_dma[mode], channel) |
655 1.9.2.2 skrll PIIX_SIDETIM_RTC_SET(piix_rtc_dma[mode], channel);
656 1.9.2.2 skrll else
657 1.9.2.2 skrll return PIIX_SIDETIM_ISP_SET(piix_isp_pio[mode], channel) |
658 1.9.2.2 skrll PIIX_SIDETIM_RTC_SET(piix_rtc_pio[mode], channel);
659 1.9.2.2 skrll }
660 1.9.2.2 skrll
661 1.9.2.2 skrll static void
662 1.9.2.2 skrll piixsata_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa)
663 1.9.2.2 skrll {
664 1.9.2.2 skrll struct pciide_channel *cp;
665 1.9.2.2 skrll bus_size_t cmdsize, ctlsize;
666 1.9.2.2 skrll pcireg_t interface;
667 1.9.2.2 skrll int channel;
668 1.9.2.2 skrll
669 1.9.2.2 skrll if (pciide_chipen(sc, pa) == 0)
670 1.9.2.2 skrll return;
671 1.9.2.2 skrll
672 1.9.2.2 skrll aprint_normal("%s: bus-master DMA support present",
673 1.9.2.3 skrll sc->sc_wdcdev.sc_atac.atac_dev.dv_xname);
674 1.9.2.2 skrll pciide_mapreg_dma(sc, pa);
675 1.9.2.2 skrll aprint_normal("\n");
676 1.9.2.2 skrll
677 1.9.2.3 skrll sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DATA16 | ATAC_CAP_DATA32;
678 1.9.2.3 skrll sc->sc_wdcdev.sc_atac.atac_pio_cap = 4;
679 1.9.2.2 skrll if (sc->sc_dma_ok) {
680 1.9.2.3 skrll sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DMA | ATAC_CAP_UDMA;
681 1.9.2.2 skrll sc->sc_wdcdev.irqack = pciide_irqack;
682 1.9.2.3 skrll sc->sc_wdcdev.sc_atac.atac_dma_cap = 2;
683 1.9.2.3 skrll sc->sc_wdcdev.sc_atac.atac_udma_cap = 6;
684 1.9.2.2 skrll }
685 1.9.2.3 skrll sc->sc_wdcdev.sc_atac.atac_set_modes = sata_setup_channel;
686 1.9.2.2 skrll
687 1.9.2.3 skrll sc->sc_wdcdev.sc_atac.atac_channels = sc->wdc_chanarray;
688 1.9.2.3 skrll sc->sc_wdcdev.sc_atac.atac_nchannels = PCIIDE_NUM_CHANNELS;
689 1.9.2.2 skrll
690 1.9.2.2 skrll interface = PCI_INTERFACE(pa->pa_class);
691 1.9.2.2 skrll
692 1.9.2.3 skrll wdc_allocate_regs(&sc->sc_wdcdev);
693 1.9.2.3 skrll
694 1.9.2.3 skrll for (channel = 0; channel < sc->sc_wdcdev.sc_atac.atac_nchannels;
695 1.9.2.3 skrll channel++) {
696 1.9.2.2 skrll cp = &sc->pciide_channels[channel];
697 1.9.2.2 skrll if (pciide_chansetup(sc, channel, interface) == 0)
698 1.9.2.2 skrll continue;
699 1.9.2.2 skrll pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize,
700 1.9.2.2 skrll pciide_pci_intr);
701 1.9.2.2 skrll }
702 1.9.2.2 skrll }
703