2 * ahci.c - AHCI SATA support
4 * Maintained by: Tejun Heo <tj@kernel.org>
5 * Please ALWAYS copy linux-ide@vger.kernel.org
8 * Copyright 2004-2005 Red Hat, Inc.
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2, or (at your option)
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; see the file COPYING. If not, write to
23 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
26 * libata documentation is available via 'make {ps|pdf}docs',
27 * as Documentation/DocBook/libata.*
29 * AHCI hardware documentation:
30 * http://www.intel.com/technology/serialata/pdf/rev1_0.pdf
31 * http://www.intel.com/technology/serialata/pdf/rev1_1.pdf
35 #include <linux/kernel.h>
36 #include <linux/module.h>
37 #include <linux/pci.h>
38 #include <linux/blkdev.h>
39 #include <linux/delay.h>
40 #include <linux/interrupt.h>
41 #include <linux/dma-mapping.h>
42 #include <linux/device.h>
43 #include <linux/dmi.h>
44 #include <linux/gfp.h>
45 #include <scsi/scsi_host.h>
46 #include <scsi/scsi_cmnd.h>
47 #include <linux/libata.h>
50 #define DRV_NAME "ahci"
51 #define DRV_VERSION "3.0"
54 AHCI_PCI_BAR_STA2X11 = 0,
55 AHCI_PCI_BAR_ENMOTUS = 2,
56 AHCI_PCI_BAR_STANDARD = 5,
60 /* board IDs by feature in alphabetical order */
68 /* board IDs for specific chipsets in alphabetical order */
75 board_ahci_sb700, /* for SB700 and SB800 */
79 board_ahci_mcp_linux = board_ahci_mcp65,
80 board_ahci_mcp67 = board_ahci_mcp65,
81 board_ahci_mcp73 = board_ahci_mcp65,
82 board_ahci_mcp79 = board_ahci_mcp77,
85 static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent);
86 static int ahci_vt8251_hardreset(struct ata_link *link, unsigned int *class,
87 unsigned long deadline);
88 static int ahci_avn_hardreset(struct ata_link *link, unsigned int *class,
89 unsigned long deadline);
90 static void ahci_mcp89_apple_enable(struct pci_dev *pdev);
91 static bool is_mcp89_apple(struct pci_dev *pdev);
92 static int ahci_p5wdh_hardreset(struct ata_link *link, unsigned int *class,
93 unsigned long deadline);
95 static int ahci_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg);
96 static int ahci_pci_device_resume(struct pci_dev *pdev);
99 static struct scsi_host_template ahci_sht = {
103 static struct ata_port_operations ahci_vt8251_ops = {
104 .inherits = &ahci_ops,
105 .hardreset = ahci_vt8251_hardreset,
108 static struct ata_port_operations ahci_p5wdh_ops = {
109 .inherits = &ahci_ops,
110 .hardreset = ahci_p5wdh_hardreset,
113 static struct ata_port_operations ahci_avn_ops = {
114 .inherits = &ahci_ops,
115 .hardreset = ahci_avn_hardreset,
118 static const struct ata_port_info ahci_port_info[] = {
121 .flags = AHCI_FLAG_COMMON,
122 .pio_mask = ATA_PIO4,
123 .udma_mask = ATA_UDMA6,
124 .port_ops = &ahci_ops,
126 [board_ahci_ign_iferr] = {
127 AHCI_HFLAGS (AHCI_HFLAG_IGN_IRQ_IF_ERR),
128 .flags = AHCI_FLAG_COMMON,
129 .pio_mask = ATA_PIO4,
130 .udma_mask = ATA_UDMA6,
131 .port_ops = &ahci_ops,
133 [board_ahci_nomsi] = {
134 AHCI_HFLAGS (AHCI_HFLAG_NO_MSI),
135 .flags = AHCI_FLAG_COMMON,
136 .pio_mask = ATA_PIO4,
137 .udma_mask = ATA_UDMA6,
138 .port_ops = &ahci_ops,
140 [board_ahci_noncq] = {
141 AHCI_HFLAGS (AHCI_HFLAG_NO_NCQ),
142 .flags = AHCI_FLAG_COMMON,
143 .pio_mask = ATA_PIO4,
144 .udma_mask = ATA_UDMA6,
145 .port_ops = &ahci_ops,
147 [board_ahci_nosntf] = {
148 AHCI_HFLAGS (AHCI_HFLAG_NO_SNTF),
149 .flags = AHCI_FLAG_COMMON,
150 .pio_mask = ATA_PIO4,
151 .udma_mask = ATA_UDMA6,
152 .port_ops = &ahci_ops,
154 [board_ahci_yes_fbs] = {
155 AHCI_HFLAGS (AHCI_HFLAG_YES_FBS),
156 .flags = AHCI_FLAG_COMMON,
157 .pio_mask = ATA_PIO4,
158 .udma_mask = ATA_UDMA6,
159 .port_ops = &ahci_ops,
163 .flags = AHCI_FLAG_COMMON,
164 .pio_mask = ATA_PIO4,
165 .udma_mask = ATA_UDMA6,
166 .port_ops = &ahci_avn_ops,
168 [board_ahci_mcp65] = {
169 AHCI_HFLAGS (AHCI_HFLAG_NO_FPDMA_AA | AHCI_HFLAG_NO_PMP |
171 .flags = AHCI_FLAG_COMMON | ATA_FLAG_NO_DIPM,
172 .pio_mask = ATA_PIO4,
173 .udma_mask = ATA_UDMA6,
174 .port_ops = &ahci_ops,
176 [board_ahci_mcp77] = {
177 AHCI_HFLAGS (AHCI_HFLAG_NO_FPDMA_AA | AHCI_HFLAG_NO_PMP),
178 .flags = AHCI_FLAG_COMMON,
179 .pio_mask = ATA_PIO4,
180 .udma_mask = ATA_UDMA6,
181 .port_ops = &ahci_ops,
183 [board_ahci_mcp89] = {
184 AHCI_HFLAGS (AHCI_HFLAG_NO_FPDMA_AA),
185 .flags = AHCI_FLAG_COMMON,
186 .pio_mask = ATA_PIO4,
187 .udma_mask = ATA_UDMA6,
188 .port_ops = &ahci_ops,
191 AHCI_HFLAGS (AHCI_HFLAG_NO_NCQ | AHCI_HFLAG_NO_MSI |
192 AHCI_HFLAG_MV_PATA | AHCI_HFLAG_NO_PMP),
193 .flags = ATA_FLAG_SATA | ATA_FLAG_PIO_DMA,
194 .pio_mask = ATA_PIO4,
195 .udma_mask = ATA_UDMA6,
196 .port_ops = &ahci_ops,
198 [board_ahci_sb600] = {
199 AHCI_HFLAGS (AHCI_HFLAG_IGN_SERR_INTERNAL |
200 AHCI_HFLAG_NO_MSI | AHCI_HFLAG_SECT255 |
201 AHCI_HFLAG_32BIT_ONLY),
202 .flags = AHCI_FLAG_COMMON,
203 .pio_mask = ATA_PIO4,
204 .udma_mask = ATA_UDMA6,
205 .port_ops = &ahci_pmp_retry_srst_ops,
207 [board_ahci_sb700] = { /* for SB700 and SB800 */
208 AHCI_HFLAGS (AHCI_HFLAG_IGN_SERR_INTERNAL),
209 .flags = AHCI_FLAG_COMMON,
210 .pio_mask = ATA_PIO4,
211 .udma_mask = ATA_UDMA6,
212 .port_ops = &ahci_pmp_retry_srst_ops,
214 [board_ahci_vt8251] = {
215 AHCI_HFLAGS (AHCI_HFLAG_NO_NCQ | AHCI_HFLAG_NO_PMP),
216 .flags = AHCI_FLAG_COMMON,
217 .pio_mask = ATA_PIO4,
218 .udma_mask = ATA_UDMA6,
219 .port_ops = &ahci_vt8251_ops,
223 static const struct pci_device_id ahci_pci_tbl[] = {
225 { PCI_VDEVICE(INTEL, 0x2652), board_ahci }, /* ICH6 */
226 { PCI_VDEVICE(INTEL, 0x2653), board_ahci }, /* ICH6M */
227 { PCI_VDEVICE(INTEL, 0x27c1), board_ahci }, /* ICH7 */
228 { PCI_VDEVICE(INTEL, 0x27c5), board_ahci }, /* ICH7M */
229 { PCI_VDEVICE(INTEL, 0x27c3), board_ahci }, /* ICH7R */
230 { PCI_VDEVICE(AL, 0x5288), board_ahci_ign_iferr }, /* ULi M5288 */
231 { PCI_VDEVICE(INTEL, 0x2681), board_ahci }, /* ESB2 */
232 { PCI_VDEVICE(INTEL, 0x2682), board_ahci }, /* ESB2 */
233 { PCI_VDEVICE(INTEL, 0x2683), board_ahci }, /* ESB2 */
234 { PCI_VDEVICE(INTEL, 0x27c6), board_ahci }, /* ICH7-M DH */
235 { PCI_VDEVICE(INTEL, 0x2821), board_ahci }, /* ICH8 */
236 { PCI_VDEVICE(INTEL, 0x2822), board_ahci_nosntf }, /* ICH8 */
237 { PCI_VDEVICE(INTEL, 0x2824), board_ahci }, /* ICH8 */
238 { PCI_VDEVICE(INTEL, 0x2829), board_ahci }, /* ICH8M */
239 { PCI_VDEVICE(INTEL, 0x282a), board_ahci }, /* ICH8M */
240 { PCI_VDEVICE(INTEL, 0x2922), board_ahci }, /* ICH9 */
241 { PCI_VDEVICE(INTEL, 0x2923), board_ahci }, /* ICH9 */
242 { PCI_VDEVICE(INTEL, 0x2924), board_ahci }, /* ICH9 */
243 { PCI_VDEVICE(INTEL, 0x2925), board_ahci }, /* ICH9 */
244 { PCI_VDEVICE(INTEL, 0x2927), board_ahci }, /* ICH9 */
245 { PCI_VDEVICE(INTEL, 0x2929), board_ahci }, /* ICH9M */
246 { PCI_VDEVICE(INTEL, 0x292a), board_ahci }, /* ICH9M */
247 { PCI_VDEVICE(INTEL, 0x292b), board_ahci }, /* ICH9M */
248 { PCI_VDEVICE(INTEL, 0x292c), board_ahci }, /* ICH9M */
249 { PCI_VDEVICE(INTEL, 0x292f), board_ahci }, /* ICH9M */
250 { PCI_VDEVICE(INTEL, 0x294d), board_ahci }, /* ICH9 */
251 { PCI_VDEVICE(INTEL, 0x294e), board_ahci }, /* ICH9M */
252 { PCI_VDEVICE(INTEL, 0x502a), board_ahci }, /* Tolapai */
253 { PCI_VDEVICE(INTEL, 0x502b), board_ahci }, /* Tolapai */
254 { PCI_VDEVICE(INTEL, 0x3a05), board_ahci }, /* ICH10 */
255 { PCI_VDEVICE(INTEL, 0x3a22), board_ahci }, /* ICH10 */
256 { PCI_VDEVICE(INTEL, 0x3a25), board_ahci }, /* ICH10 */
257 { PCI_VDEVICE(INTEL, 0x3b22), board_ahci }, /* PCH AHCI */
258 { PCI_VDEVICE(INTEL, 0x3b23), board_ahci }, /* PCH AHCI */
259 { PCI_VDEVICE(INTEL, 0x3b24), board_ahci }, /* PCH RAID */
260 { PCI_VDEVICE(INTEL, 0x3b25), board_ahci }, /* PCH RAID */
261 { PCI_VDEVICE(INTEL, 0x3b29), board_ahci }, /* PCH AHCI */
262 { PCI_VDEVICE(INTEL, 0x3b2b), board_ahci }, /* PCH RAID */
263 { PCI_VDEVICE(INTEL, 0x3b2c), board_ahci }, /* PCH RAID */
264 { PCI_VDEVICE(INTEL, 0x3b2f), board_ahci }, /* PCH AHCI */
265 { PCI_VDEVICE(INTEL, 0x19b0), board_ahci }, /* DNV AHCI */
266 { PCI_VDEVICE(INTEL, 0x19b1), board_ahci }, /* DNV AHCI */
267 { PCI_VDEVICE(INTEL, 0x19b2), board_ahci }, /* DNV AHCI */
268 { PCI_VDEVICE(INTEL, 0x19b3), board_ahci }, /* DNV AHCI */
269 { PCI_VDEVICE(INTEL, 0x19b4), board_ahci }, /* DNV AHCI */
270 { PCI_VDEVICE(INTEL, 0x19b5), board_ahci }, /* DNV AHCI */
271 { PCI_VDEVICE(INTEL, 0x19b6), board_ahci }, /* DNV AHCI */
272 { PCI_VDEVICE(INTEL, 0x19b7), board_ahci }, /* DNV AHCI */
273 { PCI_VDEVICE(INTEL, 0x19bE), board_ahci }, /* DNV AHCI */
274 { PCI_VDEVICE(INTEL, 0x19bF), board_ahci }, /* DNV AHCI */
275 { PCI_VDEVICE(INTEL, 0x19c0), board_ahci }, /* DNV AHCI */
276 { PCI_VDEVICE(INTEL, 0x19c1), board_ahci }, /* DNV AHCI */
277 { PCI_VDEVICE(INTEL, 0x19c2), board_ahci }, /* DNV AHCI */
278 { PCI_VDEVICE(INTEL, 0x19c3), board_ahci }, /* DNV AHCI */
279 { PCI_VDEVICE(INTEL, 0x19c4), board_ahci }, /* DNV AHCI */
280 { PCI_VDEVICE(INTEL, 0x19c5), board_ahci }, /* DNV AHCI */
281 { PCI_VDEVICE(INTEL, 0x19c6), board_ahci }, /* DNV AHCI */
282 { PCI_VDEVICE(INTEL, 0x19c7), board_ahci }, /* DNV AHCI */
283 { PCI_VDEVICE(INTEL, 0x19cE), board_ahci }, /* DNV AHCI */
284 { PCI_VDEVICE(INTEL, 0x19cF), board_ahci }, /* DNV AHCI */
285 { PCI_VDEVICE(INTEL, 0x1c02), board_ahci }, /* CPT AHCI */
286 { PCI_VDEVICE(INTEL, 0x1c03), board_ahci }, /* CPT AHCI */
287 { PCI_VDEVICE(INTEL, 0x1c04), board_ahci }, /* CPT RAID */
288 { PCI_VDEVICE(INTEL, 0x1c05), board_ahci }, /* CPT RAID */
289 { PCI_VDEVICE(INTEL, 0x1c06), board_ahci }, /* CPT RAID */
290 { PCI_VDEVICE(INTEL, 0x1c07), board_ahci }, /* CPT RAID */
291 { PCI_VDEVICE(INTEL, 0x1d02), board_ahci }, /* PBG AHCI */
292 { PCI_VDEVICE(INTEL, 0x1d04), board_ahci }, /* PBG RAID */
293 { PCI_VDEVICE(INTEL, 0x1d06), board_ahci }, /* PBG RAID */
294 { PCI_VDEVICE(INTEL, 0x2826), board_ahci }, /* PBG RAID */
295 { PCI_VDEVICE(INTEL, 0x2323), board_ahci }, /* DH89xxCC AHCI */
296 { PCI_VDEVICE(INTEL, 0x1e02), board_ahci }, /* Panther Point AHCI */
297 { PCI_VDEVICE(INTEL, 0x1e03), board_ahci }, /* Panther Point AHCI */
298 { PCI_VDEVICE(INTEL, 0x1e04), board_ahci }, /* Panther Point RAID */
299 { PCI_VDEVICE(INTEL, 0x1e05), board_ahci }, /* Panther Point RAID */
300 { PCI_VDEVICE(INTEL, 0x1e06), board_ahci }, /* Panther Point RAID */
301 { PCI_VDEVICE(INTEL, 0x1e07), board_ahci }, /* Panther Point RAID */
302 { PCI_VDEVICE(INTEL, 0x1e0e), board_ahci }, /* Panther Point RAID */
303 { PCI_VDEVICE(INTEL, 0x8c02), board_ahci }, /* Lynx Point AHCI */
304 { PCI_VDEVICE(INTEL, 0x8c03), board_ahci }, /* Lynx Point AHCI */
305 { PCI_VDEVICE(INTEL, 0x8c04), board_ahci }, /* Lynx Point RAID */
306 { PCI_VDEVICE(INTEL, 0x8c05), board_ahci }, /* Lynx Point RAID */
307 { PCI_VDEVICE(INTEL, 0x8c06), board_ahci }, /* Lynx Point RAID */
308 { PCI_VDEVICE(INTEL, 0x8c07), board_ahci }, /* Lynx Point RAID */
309 { PCI_VDEVICE(INTEL, 0x8c0e), board_ahci }, /* Lynx Point RAID */
310 { PCI_VDEVICE(INTEL, 0x8c0f), board_ahci }, /* Lynx Point RAID */
311 { PCI_VDEVICE(INTEL, 0x9c02), board_ahci }, /* Lynx Point-LP AHCI */
312 { PCI_VDEVICE(INTEL, 0x9c03), board_ahci }, /* Lynx Point-LP AHCI */
313 { PCI_VDEVICE(INTEL, 0x9c04), board_ahci }, /* Lynx Point-LP RAID */
314 { PCI_VDEVICE(INTEL, 0x9c05), board_ahci }, /* Lynx Point-LP RAID */
315 { PCI_VDEVICE(INTEL, 0x9c06), board_ahci }, /* Lynx Point-LP RAID */
316 { PCI_VDEVICE(INTEL, 0x9c07), board_ahci }, /* Lynx Point-LP RAID */
317 { PCI_VDEVICE(INTEL, 0x9c0e), board_ahci }, /* Lynx Point-LP RAID */
318 { PCI_VDEVICE(INTEL, 0x9c0f), board_ahci }, /* Lynx Point-LP RAID */
319 { PCI_VDEVICE(INTEL, 0x1f22), board_ahci }, /* Avoton AHCI */
320 { PCI_VDEVICE(INTEL, 0x1f23), board_ahci }, /* Avoton AHCI */
321 { PCI_VDEVICE(INTEL, 0x1f24), board_ahci }, /* Avoton RAID */
322 { PCI_VDEVICE(INTEL, 0x1f25), board_ahci }, /* Avoton RAID */
323 { PCI_VDEVICE(INTEL, 0x1f26), board_ahci }, /* Avoton RAID */
324 { PCI_VDEVICE(INTEL, 0x1f27), board_ahci }, /* Avoton RAID */
325 { PCI_VDEVICE(INTEL, 0x1f2e), board_ahci }, /* Avoton RAID */
326 { PCI_VDEVICE(INTEL, 0x1f2f), board_ahci }, /* Avoton RAID */
327 { PCI_VDEVICE(INTEL, 0x1f32), board_ahci_avn }, /* Avoton AHCI */
328 { PCI_VDEVICE(INTEL, 0x1f33), board_ahci_avn }, /* Avoton AHCI */
329 { PCI_VDEVICE(INTEL, 0x1f34), board_ahci_avn }, /* Avoton RAID */
330 { PCI_VDEVICE(INTEL, 0x1f35), board_ahci_avn }, /* Avoton RAID */
331 { PCI_VDEVICE(INTEL, 0x1f36), board_ahci_avn }, /* Avoton RAID */
332 { PCI_VDEVICE(INTEL, 0x1f37), board_ahci_avn }, /* Avoton RAID */
333 { PCI_VDEVICE(INTEL, 0x1f3e), board_ahci_avn }, /* Avoton RAID */
334 { PCI_VDEVICE(INTEL, 0x1f3f), board_ahci_avn }, /* Avoton RAID */
335 { PCI_VDEVICE(INTEL, 0xa182), board_ahci }, /* Lewisburg AHCI*/
336 { PCI_VDEVICE(INTEL, 0xa202), board_ahci }, /* Lewisburg AHCI*/
337 { PCI_VDEVICE(INTEL, 0xa184), board_ahci }, /* Lewisburg RAID*/
338 { PCI_VDEVICE(INTEL, 0xa204), board_ahci }, /* Lewisburg RAID*/
339 { PCI_VDEVICE(INTEL, 0xa186), board_ahci }, /* Lewisburg RAID*/
340 { PCI_VDEVICE(INTEL, 0xa206), board_ahci }, /* Lewisburg RAID*/
341 { PCI_VDEVICE(INTEL, 0x2822), board_ahci }, /* Lewisburg RAID*/
342 { PCI_VDEVICE(INTEL, 0x2826), board_ahci }, /* Lewisburg RAID*/
343 { PCI_VDEVICE(INTEL, 0xa18e), board_ahci }, /* Lewisburg RAID*/
344 { PCI_VDEVICE(INTEL, 0xa20e), board_ahci }, /* Lewisburg RAID*/
345 { PCI_VDEVICE(INTEL, 0x2823), board_ahci }, /* Wellsburg RAID */
346 { PCI_VDEVICE(INTEL, 0x2827), board_ahci }, /* Wellsburg RAID */
347 { PCI_VDEVICE(INTEL, 0x8d02), board_ahci }, /* Wellsburg AHCI */
348 { PCI_VDEVICE(INTEL, 0x8d04), board_ahci }, /* Wellsburg RAID */
349 { PCI_VDEVICE(INTEL, 0x8d06), board_ahci }, /* Wellsburg RAID */
350 { PCI_VDEVICE(INTEL, 0x8d0e), board_ahci }, /* Wellsburg RAID */
351 { PCI_VDEVICE(INTEL, 0x8d62), board_ahci }, /* Wellsburg AHCI */
352 { PCI_VDEVICE(INTEL, 0x8d64), board_ahci }, /* Wellsburg RAID */
353 { PCI_VDEVICE(INTEL, 0x8d66), board_ahci }, /* Wellsburg RAID */
354 { PCI_VDEVICE(INTEL, 0x8d6e), board_ahci }, /* Wellsburg RAID */
355 { PCI_VDEVICE(INTEL, 0x23a3), board_ahci }, /* Coleto Creek AHCI */
356 { PCI_VDEVICE(INTEL, 0x9c83), board_ahci }, /* Wildcat Point-LP AHCI */
357 { PCI_VDEVICE(INTEL, 0x9c85), board_ahci }, /* Wildcat Point-LP RAID */
358 { PCI_VDEVICE(INTEL, 0x9c87), board_ahci }, /* Wildcat Point-LP RAID */
359 { PCI_VDEVICE(INTEL, 0x9c8f), board_ahci }, /* Wildcat Point-LP RAID */
360 { PCI_VDEVICE(INTEL, 0x8c82), board_ahci }, /* 9 Series AHCI */
361 { PCI_VDEVICE(INTEL, 0x8c83), board_ahci }, /* 9 Series AHCI */
362 { PCI_VDEVICE(INTEL, 0x8c84), board_ahci }, /* 9 Series RAID */
363 { PCI_VDEVICE(INTEL, 0x8c85), board_ahci }, /* 9 Series RAID */
364 { PCI_VDEVICE(INTEL, 0x8c86), board_ahci }, /* 9 Series RAID */
365 { PCI_VDEVICE(INTEL, 0x8c87), board_ahci }, /* 9 Series RAID */
366 { PCI_VDEVICE(INTEL, 0x8c8e), board_ahci }, /* 9 Series RAID */
367 { PCI_VDEVICE(INTEL, 0x8c8f), board_ahci }, /* 9 Series RAID */
368 { PCI_VDEVICE(INTEL, 0x9d03), board_ahci }, /* Sunrise Point-LP AHCI */
369 { PCI_VDEVICE(INTEL, 0x9d05), board_ahci }, /* Sunrise Point-LP RAID */
370 { PCI_VDEVICE(INTEL, 0x9d07), board_ahci }, /* Sunrise Point-LP RAID */
371 { PCI_VDEVICE(INTEL, 0xa103), board_ahci }, /* Sunrise Point-H AHCI */
372 { PCI_VDEVICE(INTEL, 0xa105), board_ahci }, /* Sunrise Point-H RAID */
373 { PCI_VDEVICE(INTEL, 0xa107), board_ahci }, /* Sunrise Point-H RAID */
374 { PCI_VDEVICE(INTEL, 0xa10f), board_ahci }, /* Sunrise Point-H RAID */
375 { PCI_VDEVICE(INTEL, 0x2822), board_ahci }, /* Lewisburg RAID*/
376 { PCI_VDEVICE(INTEL, 0x2823), board_ahci }, /* Lewisburg AHCI*/
377 { PCI_VDEVICE(INTEL, 0x2826), board_ahci }, /* Lewisburg RAID*/
378 { PCI_VDEVICE(INTEL, 0x2827), board_ahci }, /* Lewisburg RAID*/
379 { PCI_VDEVICE(INTEL, 0xa182), board_ahci }, /* Lewisburg AHCI*/
380 { PCI_VDEVICE(INTEL, 0xa184), board_ahci }, /* Lewisburg RAID*/
381 { PCI_VDEVICE(INTEL, 0xa186), board_ahci }, /* Lewisburg RAID*/
382 { PCI_VDEVICE(INTEL, 0xa18e), board_ahci }, /* Lewisburg RAID*/
383 { PCI_VDEVICE(INTEL, 0xa1d2), board_ahci }, /* Lewisburg RAID*/
384 { PCI_VDEVICE(INTEL, 0xa1d6), board_ahci }, /* Lewisburg RAID*/
385 { PCI_VDEVICE(INTEL, 0xa202), board_ahci }, /* Lewisburg AHCI*/
386 { PCI_VDEVICE(INTEL, 0xa204), board_ahci }, /* Lewisburg RAID*/
387 { PCI_VDEVICE(INTEL, 0xa206), board_ahci }, /* Lewisburg RAID*/
388 { PCI_VDEVICE(INTEL, 0xa20e), board_ahci }, /* Lewisburg RAID*/
389 { PCI_VDEVICE(INTEL, 0xa252), board_ahci }, /* Lewisburg RAID*/
390 { PCI_VDEVICE(INTEL, 0xa256), board_ahci }, /* Lewisburg RAID*/
392 /* JMicron 360/1/3/5/6, match class to avoid IDE function */
393 { PCI_VENDOR_ID_JMICRON, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
394 PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci_ign_iferr },
395 /* JMicron 362B and 362C have an AHCI function with IDE class code */
396 { PCI_VDEVICE(JMICRON, 0x2362), board_ahci_ign_iferr },
397 { PCI_VDEVICE(JMICRON, 0x236f), board_ahci_ign_iferr },
398 /* May need to update quirk_jmicron_async_suspend() for additions */
401 { PCI_VDEVICE(ATI, 0x4380), board_ahci_sb600 }, /* ATI SB600 */
402 { PCI_VDEVICE(ATI, 0x4390), board_ahci_sb700 }, /* ATI SB700/800 */
403 { PCI_VDEVICE(ATI, 0x4391), board_ahci_sb700 }, /* ATI SB700/800 */
404 { PCI_VDEVICE(ATI, 0x4392), board_ahci_sb700 }, /* ATI SB700/800 */
405 { PCI_VDEVICE(ATI, 0x4393), board_ahci_sb700 }, /* ATI SB700/800 */
406 { PCI_VDEVICE(ATI, 0x4394), board_ahci_sb700 }, /* ATI SB700/800 */
407 { PCI_VDEVICE(ATI, 0x4395), board_ahci_sb700 }, /* ATI SB700/800 */
410 { PCI_VDEVICE(AMD, 0x7800), board_ahci }, /* AMD Hudson-2 */
411 { PCI_VDEVICE(AMD, 0x7900), board_ahci }, /* AMD CZ */
412 /* AMD is using RAID class only for ahci controllers */
413 { PCI_VENDOR_ID_AMD, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
414 PCI_CLASS_STORAGE_RAID << 8, 0xffffff, board_ahci },
417 { PCI_VDEVICE(VIA, 0x3349), board_ahci_vt8251 }, /* VIA VT8251 */
418 { PCI_VDEVICE(VIA, 0x6287), board_ahci_vt8251 }, /* VIA VT8251 */
421 { PCI_VDEVICE(NVIDIA, 0x044c), board_ahci_mcp65 }, /* MCP65 */
422 { PCI_VDEVICE(NVIDIA, 0x044d), board_ahci_mcp65 }, /* MCP65 */
423 { PCI_VDEVICE(NVIDIA, 0x044e), board_ahci_mcp65 }, /* MCP65 */
424 { PCI_VDEVICE(NVIDIA, 0x044f), board_ahci_mcp65 }, /* MCP65 */
425 { PCI_VDEVICE(NVIDIA, 0x045c), board_ahci_mcp65 }, /* MCP65 */
426 { PCI_VDEVICE(NVIDIA, 0x045d), board_ahci_mcp65 }, /* MCP65 */
427 { PCI_VDEVICE(NVIDIA, 0x045e), board_ahci_mcp65 }, /* MCP65 */
428 { PCI_VDEVICE(NVIDIA, 0x045f), board_ahci_mcp65 }, /* MCP65 */
429 { PCI_VDEVICE(NVIDIA, 0x0550), board_ahci_mcp67 }, /* MCP67 */
430 { PCI_VDEVICE(NVIDIA, 0x0551), board_ahci_mcp67 }, /* MCP67 */
431 { PCI_VDEVICE(NVIDIA, 0x0552), board_ahci_mcp67 }, /* MCP67 */
432 { PCI_VDEVICE(NVIDIA, 0x0553), board_ahci_mcp67 }, /* MCP67 */
433 { PCI_VDEVICE(NVIDIA, 0x0554), board_ahci_mcp67 }, /* MCP67 */
434 { PCI_VDEVICE(NVIDIA, 0x0555), board_ahci_mcp67 }, /* MCP67 */
435 { PCI_VDEVICE(NVIDIA, 0x0556), board_ahci_mcp67 }, /* MCP67 */
436 { PCI_VDEVICE(NVIDIA, 0x0557), board_ahci_mcp67 }, /* MCP67 */
437 { PCI_VDEVICE(NVIDIA, 0x0558), board_ahci_mcp67 }, /* MCP67 */
438 { PCI_VDEVICE(NVIDIA, 0x0559), board_ahci_mcp67 }, /* MCP67 */
439 { PCI_VDEVICE(NVIDIA, 0x055a), board_ahci_mcp67 }, /* MCP67 */
440 { PCI_VDEVICE(NVIDIA, 0x055b), board_ahci_mcp67 }, /* MCP67 */
441 { PCI_VDEVICE(NVIDIA, 0x0580), board_ahci_mcp_linux }, /* Linux ID */
442 { PCI_VDEVICE(NVIDIA, 0x0581), board_ahci_mcp_linux }, /* Linux ID */
443 { PCI_VDEVICE(NVIDIA, 0x0582), board_ahci_mcp_linux }, /* Linux ID */
444 { PCI_VDEVICE(NVIDIA, 0x0583), board_ahci_mcp_linux }, /* Linux ID */
445 { PCI_VDEVICE(NVIDIA, 0x0584), board_ahci_mcp_linux }, /* Linux ID */
446 { PCI_VDEVICE(NVIDIA, 0x0585), board_ahci_mcp_linux }, /* Linux ID */
447 { PCI_VDEVICE(NVIDIA, 0x0586), board_ahci_mcp_linux }, /* Linux ID */
448 { PCI_VDEVICE(NVIDIA, 0x0587), board_ahci_mcp_linux }, /* Linux ID */
449 { PCI_VDEVICE(NVIDIA, 0x0588), board_ahci_mcp_linux }, /* Linux ID */
450 { PCI_VDEVICE(NVIDIA, 0x0589), board_ahci_mcp_linux }, /* Linux ID */
451 { PCI_VDEVICE(NVIDIA, 0x058a), board_ahci_mcp_linux }, /* Linux ID */
452 { PCI_VDEVICE(NVIDIA, 0x058b), board_ahci_mcp_linux }, /* Linux ID */
453 { PCI_VDEVICE(NVIDIA, 0x058c), board_ahci_mcp_linux }, /* Linux ID */
454 { PCI_VDEVICE(NVIDIA, 0x058d), board_ahci_mcp_linux }, /* Linux ID */
455 { PCI_VDEVICE(NVIDIA, 0x058e), board_ahci_mcp_linux }, /* Linux ID */
456 { PCI_VDEVICE(NVIDIA, 0x058f), board_ahci_mcp_linux }, /* Linux ID */
457 { PCI_VDEVICE(NVIDIA, 0x07f0), board_ahci_mcp73 }, /* MCP73 */
458 { PCI_VDEVICE(NVIDIA, 0x07f1), board_ahci_mcp73 }, /* MCP73 */
459 { PCI_VDEVICE(NVIDIA, 0x07f2), board_ahci_mcp73 }, /* MCP73 */
460 { PCI_VDEVICE(NVIDIA, 0x07f3), board_ahci_mcp73 }, /* MCP73 */
461 { PCI_VDEVICE(NVIDIA, 0x07f4), board_ahci_mcp73 }, /* MCP73 */
462 { PCI_VDEVICE(NVIDIA, 0x07f5), board_ahci_mcp73 }, /* MCP73 */
463 { PCI_VDEVICE(NVIDIA, 0x07f6), board_ahci_mcp73 }, /* MCP73 */
464 { PCI_VDEVICE(NVIDIA, 0x07f7), board_ahci_mcp73 }, /* MCP73 */
465 { PCI_VDEVICE(NVIDIA, 0x07f8), board_ahci_mcp73 }, /* MCP73 */
466 { PCI_VDEVICE(NVIDIA, 0x07f9), board_ahci_mcp73 }, /* MCP73 */
467 { PCI_VDEVICE(NVIDIA, 0x07fa), board_ahci_mcp73 }, /* MCP73 */
468 { PCI_VDEVICE(NVIDIA, 0x07fb), board_ahci_mcp73 }, /* MCP73 */
469 { PCI_VDEVICE(NVIDIA, 0x0ad0), board_ahci_mcp77 }, /* MCP77 */
470 { PCI_VDEVICE(NVIDIA, 0x0ad1), board_ahci_mcp77 }, /* MCP77 */
471 { PCI_VDEVICE(NVIDIA, 0x0ad2), board_ahci_mcp77 }, /* MCP77 */
472 { PCI_VDEVICE(NVIDIA, 0x0ad3), board_ahci_mcp77 }, /* MCP77 */
473 { PCI_VDEVICE(NVIDIA, 0x0ad4), board_ahci_mcp77 }, /* MCP77 */
474 { PCI_VDEVICE(NVIDIA, 0x0ad5), board_ahci_mcp77 }, /* MCP77 */
475 { PCI_VDEVICE(NVIDIA, 0x0ad6), board_ahci_mcp77 }, /* MCP77 */
476 { PCI_VDEVICE(NVIDIA, 0x0ad7), board_ahci_mcp77 }, /* MCP77 */
477 { PCI_VDEVICE(NVIDIA, 0x0ad8), board_ahci_mcp77 }, /* MCP77 */
478 { PCI_VDEVICE(NVIDIA, 0x0ad9), board_ahci_mcp77 }, /* MCP77 */
479 { PCI_VDEVICE(NVIDIA, 0x0ada), board_ahci_mcp77 }, /* MCP77 */
480 { PCI_VDEVICE(NVIDIA, 0x0adb), board_ahci_mcp77 }, /* MCP77 */
481 { PCI_VDEVICE(NVIDIA, 0x0ab4), board_ahci_mcp79 }, /* MCP79 */
482 { PCI_VDEVICE(NVIDIA, 0x0ab5), board_ahci_mcp79 }, /* MCP79 */
483 { PCI_VDEVICE(NVIDIA, 0x0ab6), board_ahci_mcp79 }, /* MCP79 */
484 { PCI_VDEVICE(NVIDIA, 0x0ab7), board_ahci_mcp79 }, /* MCP79 */
485 { PCI_VDEVICE(NVIDIA, 0x0ab8), board_ahci_mcp79 }, /* MCP79 */
486 { PCI_VDEVICE(NVIDIA, 0x0ab9), board_ahci_mcp79 }, /* MCP79 */
487 { PCI_VDEVICE(NVIDIA, 0x0aba), board_ahci_mcp79 }, /* MCP79 */
488 { PCI_VDEVICE(NVIDIA, 0x0abb), board_ahci_mcp79 }, /* MCP79 */
489 { PCI_VDEVICE(NVIDIA, 0x0abc), board_ahci_mcp79 }, /* MCP79 */
490 { PCI_VDEVICE(NVIDIA, 0x0abd), board_ahci_mcp79 }, /* MCP79 */
491 { PCI_VDEVICE(NVIDIA, 0x0abe), board_ahci_mcp79 }, /* MCP79 */
492 { PCI_VDEVICE(NVIDIA, 0x0abf), board_ahci_mcp79 }, /* MCP79 */
493 { PCI_VDEVICE(NVIDIA, 0x0d84), board_ahci_mcp89 }, /* MCP89 */
494 { PCI_VDEVICE(NVIDIA, 0x0d85), board_ahci_mcp89 }, /* MCP89 */
495 { PCI_VDEVICE(NVIDIA, 0x0d86), board_ahci_mcp89 }, /* MCP89 */
496 { PCI_VDEVICE(NVIDIA, 0x0d87), board_ahci_mcp89 }, /* MCP89 */
497 { PCI_VDEVICE(NVIDIA, 0x0d88), board_ahci_mcp89 }, /* MCP89 */
498 { PCI_VDEVICE(NVIDIA, 0x0d89), board_ahci_mcp89 }, /* MCP89 */
499 { PCI_VDEVICE(NVIDIA, 0x0d8a), board_ahci_mcp89 }, /* MCP89 */
500 { PCI_VDEVICE(NVIDIA, 0x0d8b), board_ahci_mcp89 }, /* MCP89 */
501 { PCI_VDEVICE(NVIDIA, 0x0d8c), board_ahci_mcp89 }, /* MCP89 */
502 { PCI_VDEVICE(NVIDIA, 0x0d8d), board_ahci_mcp89 }, /* MCP89 */
503 { PCI_VDEVICE(NVIDIA, 0x0d8e), board_ahci_mcp89 }, /* MCP89 */
504 { PCI_VDEVICE(NVIDIA, 0x0d8f), board_ahci_mcp89 }, /* MCP89 */
507 { PCI_VDEVICE(SI, 0x1184), board_ahci }, /* SiS 966 */
508 { PCI_VDEVICE(SI, 0x1185), board_ahci }, /* SiS 968 */
509 { PCI_VDEVICE(SI, 0x0186), board_ahci }, /* SiS 968 */
511 /* ST Microelectronics */
512 { PCI_VDEVICE(STMICRO, 0xCC06), board_ahci }, /* ST ConneXt */
515 { PCI_VDEVICE(MARVELL, 0x6145), board_ahci_mv }, /* 6145 */
516 { PCI_VDEVICE(MARVELL, 0x6121), board_ahci_mv }, /* 6121 */
517 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9123),
518 .class = PCI_CLASS_STORAGE_SATA_AHCI,
519 .class_mask = 0xffffff,
520 .driver_data = board_ahci_yes_fbs }, /* 88se9128 */
521 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9125),
522 .driver_data = board_ahci_yes_fbs }, /* 88se9125 */
523 { PCI_DEVICE_SUB(PCI_VENDOR_ID_MARVELL_EXT, 0x9178,
524 PCI_VENDOR_ID_MARVELL_EXT, 0x9170),
525 .driver_data = board_ahci_yes_fbs }, /* 88se9170 */
526 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x917a),
527 .driver_data = board_ahci_yes_fbs }, /* 88se9172 */
528 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9172),
529 .driver_data = board_ahci_yes_fbs }, /* 88se9182 */
530 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9182),
531 .driver_data = board_ahci_yes_fbs }, /* 88se9172 */
532 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9192),
533 .driver_data = board_ahci_yes_fbs }, /* 88se9172 on some Gigabyte */
534 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x91a0),
535 .driver_data = board_ahci_yes_fbs },
536 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x91a3),
537 .driver_data = board_ahci_yes_fbs },
538 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9230),
539 .driver_data = board_ahci_yes_fbs },
540 { PCI_DEVICE(PCI_VENDOR_ID_TTI, 0x0642),
541 .driver_data = board_ahci_yes_fbs },
544 { PCI_VDEVICE(PROMISE, 0x3f20), board_ahci }, /* PDC42819 */
545 { PCI_VDEVICE(PROMISE, 0x3781), board_ahci }, /* FastTrak TX8660 ahci-mode */
548 { PCI_VDEVICE(ASMEDIA, 0x0601), board_ahci }, /* ASM1060 */
549 { PCI_VDEVICE(ASMEDIA, 0x0602), board_ahci }, /* ASM1060 */
550 { PCI_VDEVICE(ASMEDIA, 0x0611), board_ahci }, /* ASM1061 */
551 { PCI_VDEVICE(ASMEDIA, 0x0612), board_ahci }, /* ASM1062 */
554 * Samsung SSDs found on some macbooks. NCQ times out if MSI is
555 * enabled. https://bugzilla.kernel.org/show_bug.cgi?id=60731
557 { PCI_VDEVICE(SAMSUNG, 0x1600), board_ahci_nomsi },
558 { PCI_VDEVICE(SAMSUNG, 0xa800), board_ahci_nomsi },
561 { PCI_DEVICE(0x1c44, 0x8000), board_ahci },
563 /* Generic, PCI class code for AHCI */
564 { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
565 PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci },
567 { } /* terminate list */
571 static struct pci_driver ahci_pci_driver = {
573 .id_table = ahci_pci_tbl,
574 .probe = ahci_init_one,
575 .remove = ata_pci_remove_one,
577 .suspend = ahci_pci_device_suspend,
578 .resume = ahci_pci_device_resume,
582 #if defined(CONFIG_PATA_MARVELL) || defined(CONFIG_PATA_MARVELL_MODULE)
583 static int marvell_enable;
585 static int marvell_enable = 1;
587 module_param(marvell_enable, int, 0644);
588 MODULE_PARM_DESC(marvell_enable, "Marvell SATA via AHCI (1 = enabled)");
591 static void ahci_pci_save_initial_config(struct pci_dev *pdev,
592 struct ahci_host_priv *hpriv)
594 if (pdev->vendor == PCI_VENDOR_ID_JMICRON && pdev->device == 0x2361) {
595 dev_info(&pdev->dev, "JMB361 has only one port\n");
596 hpriv->force_port_map = 1;
600 * Temporary Marvell 6145 hack: PATA port presence
601 * is asserted through the standard AHCI port
602 * presence register, as bit 4 (counting from 0)
604 if (hpriv->flags & AHCI_HFLAG_MV_PATA) {
605 if (pdev->device == 0x6121)
606 hpriv->mask_port_map = 0x3;
608 hpriv->mask_port_map = 0xf;
610 "Disabling your PATA port. Use the boot option 'ahci.marvell_enable=0' to avoid this.\n");
613 ahci_save_initial_config(&pdev->dev, hpriv);
616 static int ahci_pci_reset_controller(struct ata_host *host)
618 struct pci_dev *pdev = to_pci_dev(host->dev);
620 ahci_reset_controller(host);
622 if (pdev->vendor == PCI_VENDOR_ID_INTEL) {
623 struct ahci_host_priv *hpriv = host->private_data;
627 pci_read_config_word(pdev, 0x92, &tmp16);
628 if ((tmp16 & hpriv->port_map) != hpriv->port_map) {
629 tmp16 |= hpriv->port_map;
630 pci_write_config_word(pdev, 0x92, tmp16);
637 static void ahci_pci_init_controller(struct ata_host *host)
639 struct ahci_host_priv *hpriv = host->private_data;
640 struct pci_dev *pdev = to_pci_dev(host->dev);
641 void __iomem *port_mmio;
645 if (hpriv->flags & AHCI_HFLAG_MV_PATA) {
646 if (pdev->device == 0x6121)
650 port_mmio = __ahci_port_base(host, mv);
652 writel(0, port_mmio + PORT_IRQ_MASK);
655 tmp = readl(port_mmio + PORT_IRQ_STAT);
656 VPRINTK("PORT_IRQ_STAT 0x%x\n", tmp);
658 writel(tmp, port_mmio + PORT_IRQ_STAT);
661 ahci_init_controller(host);
664 static int ahci_vt8251_hardreset(struct ata_link *link, unsigned int *class,
665 unsigned long deadline)
667 struct ata_port *ap = link->ap;
668 struct ahci_host_priv *hpriv = ap->host->private_data;
674 ahci_stop_engine(ap);
676 rc = sata_link_hardreset(link, sata_ehc_deb_timing(&link->eh_context),
677 deadline, &online, NULL);
679 hpriv->start_engine(ap);
681 DPRINTK("EXIT, rc=%d, class=%u\n", rc, *class);
683 /* vt8251 doesn't clear BSY on signature FIS reception,
684 * request follow-up softreset.
686 return online ? -EAGAIN : rc;
689 static int ahci_p5wdh_hardreset(struct ata_link *link, unsigned int *class,
690 unsigned long deadline)
692 struct ata_port *ap = link->ap;
693 struct ahci_port_priv *pp = ap->private_data;
694 struct ahci_host_priv *hpriv = ap->host->private_data;
695 u8 *d2h_fis = pp->rx_fis + RX_FIS_D2H_REG;
696 struct ata_taskfile tf;
700 ahci_stop_engine(ap);
702 /* clear D2H reception area to properly wait for D2H FIS */
703 ata_tf_init(link->device, &tf);
704 tf.command = ATA_BUSY;
705 ata_tf_to_fis(&tf, 0, 0, d2h_fis);
707 rc = sata_link_hardreset(link, sata_ehc_deb_timing(&link->eh_context),
708 deadline, &online, NULL);
710 hpriv->start_engine(ap);
712 /* The pseudo configuration device on SIMG4726 attached to
713 * ASUS P5W-DH Deluxe doesn't send signature FIS after
714 * hardreset if no device is attached to the first downstream
715 * port && the pseudo device locks up on SRST w/ PMP==0. To
716 * work around this, wait for !BSY only briefly. If BSY isn't
717 * cleared, perform CLO and proceed to IDENTIFY (achieved by
718 * ATA_LFLAG_NO_SRST and ATA_LFLAG_ASSUME_ATA).
720 * Wait for two seconds. Devices attached to downstream port
721 * which can't process the following IDENTIFY after this will
722 * have to be reset again. For most cases, this should
723 * suffice while making probing snappish enough.
726 rc = ata_wait_after_reset(link, jiffies + 2 * HZ,
729 ahci_kick_engine(ap);
735 * ahci_avn_hardreset - attempt more aggressive recovery of Avoton ports.
737 * It has been observed with some SSDs that the timing of events in the
738 * link synchronization phase can leave the port in a state that can not
739 * be recovered by a SATA-hard-reset alone. The failing signature is
740 * SStatus.DET stuck at 1 ("Device presence detected but Phy
741 * communication not established"). It was found that unloading and
742 * reloading the driver when this problem occurs allows the drive
743 * connection to be recovered (DET advanced to 0x3). The critical
744 * component of reloading the driver is that the port state machines are
745 * reset by bouncing "port enable" in the AHCI PCS configuration
746 * register. So, reproduce that effect by bouncing a port whenever we
747 * see DET==1 after a reset.
749 static int ahci_avn_hardreset(struct ata_link *link, unsigned int *class,
750 unsigned long deadline)
752 const unsigned long *timing = sata_ehc_deb_timing(&link->eh_context);
753 struct ata_port *ap = link->ap;
754 struct ahci_port_priv *pp = ap->private_data;
755 struct ahci_host_priv *hpriv = ap->host->private_data;
756 u8 *d2h_fis = pp->rx_fis + RX_FIS_D2H_REG;
757 unsigned long tmo = deadline - jiffies;
758 struct ata_taskfile tf;
764 ahci_stop_engine(ap);
766 for (i = 0; i < 2; i++) {
769 int port = ap->port_no;
770 struct ata_host *host = ap->host;
771 struct pci_dev *pdev = to_pci_dev(host->dev);
773 /* clear D2H reception area to properly wait for D2H FIS */
774 ata_tf_init(link->device, &tf);
775 tf.command = ATA_BUSY;
776 ata_tf_to_fis(&tf, 0, 0, d2h_fis);
778 rc = sata_link_hardreset(link, timing, deadline, &online,
781 if (sata_scr_read(link, SCR_STATUS, &sstatus) != 0 ||
782 (sstatus & 0xf) != 1)
785 ata_link_printk(link, KERN_INFO, "avn bounce port%d\n",
788 pci_read_config_word(pdev, 0x92, &val);
790 pci_write_config_word(pdev, 0x92, val);
791 ata_msleep(ap, 1000);
793 pci_write_config_word(pdev, 0x92, val);
797 hpriv->start_engine(ap);
800 *class = ahci_dev_classify(ap);
802 DPRINTK("EXIT, rc=%d, class=%u\n", rc, *class);
808 static int ahci_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg)
810 struct ata_host *host = pci_get_drvdata(pdev);
811 struct ahci_host_priv *hpriv = host->private_data;
812 void __iomem *mmio = hpriv->mmio;
815 if (mesg.event & PM_EVENT_SUSPEND &&
816 hpriv->flags & AHCI_HFLAG_NO_SUSPEND) {
818 "BIOS update required for suspend/resume\n");
822 if (mesg.event & PM_EVENT_SLEEP) {
823 /* AHCI spec rev1.1 section 8.3.3:
824 * Software must disable interrupts prior to requesting a
825 * transition of the HBA to D3 state.
827 ctl = readl(mmio + HOST_CTL);
829 writel(ctl, mmio + HOST_CTL);
830 readl(mmio + HOST_CTL); /* flush */
833 return ata_pci_device_suspend(pdev, mesg);
836 static int ahci_pci_device_resume(struct pci_dev *pdev)
838 struct ata_host *host = pci_get_drvdata(pdev);
841 rc = ata_pci_device_do_resume(pdev);
845 /* Apple BIOS helpfully mangles the registers on resume */
846 if (is_mcp89_apple(pdev))
847 ahci_mcp89_apple_enable(pdev);
849 if (pdev->dev.power.power_state.event == PM_EVENT_SUSPEND) {
850 rc = ahci_pci_reset_controller(host);
854 ahci_pci_init_controller(host);
857 ata_host_resume(host);
863 static int ahci_configure_dma_masks(struct pci_dev *pdev, int using_dac)
868 * If the device fixup already set the dma_mask to some non-standard
869 * value, don't extend it here. This happens on STA2X11, for example.
871 if (pdev->dma_mask && pdev->dma_mask < DMA_BIT_MASK(32))
875 !dma_set_mask(&pdev->dev, DMA_BIT_MASK(64))) {
876 rc = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64));
878 rc = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
881 "64-bit DMA enable failed\n");
886 rc = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
888 dev_err(&pdev->dev, "32-bit DMA enable failed\n");
891 rc = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
894 "32-bit consistent DMA enable failed\n");
901 static void ahci_pci_print_info(struct ata_host *host)
903 struct pci_dev *pdev = to_pci_dev(host->dev);
907 pci_read_config_word(pdev, 0x0a, &cc);
908 if (cc == PCI_CLASS_STORAGE_IDE)
910 else if (cc == PCI_CLASS_STORAGE_SATA)
912 else if (cc == PCI_CLASS_STORAGE_RAID)
917 ahci_print_info(host, scc_s);
920 /* On ASUS P5W DH Deluxe, the second port of PCI device 00:1f.2 is
921 * hardwired to on-board SIMG 4726. The chipset is ICH8 and doesn't
922 * support PMP and the 4726 either directly exports the device
923 * attached to the first downstream port or acts as a hardware storage
924 * controller and emulate a single ATA device (can be RAID 0/1 or some
925 * other configuration).
927 * When there's no device attached to the first downstream port of the
928 * 4726, "Config Disk" appears, which is a pseudo ATA device to
929 * configure the 4726. However, ATA emulation of the device is very
930 * lame. It doesn't send signature D2H Reg FIS after the initial
931 * hardreset, pukes on SRST w/ PMP==0 and has bunch of other issues.
933 * The following function works around the problem by always using
934 * hardreset on the port and not depending on receiving signature FIS
935 * afterward. If signature FIS isn't received soon, ATA class is
936 * assumed without follow-up softreset.
938 static void ahci_p5wdh_workaround(struct ata_host *host)
940 static const struct dmi_system_id sysids[] = {
942 .ident = "P5W DH Deluxe",
944 DMI_MATCH(DMI_SYS_VENDOR,
945 "ASUSTEK COMPUTER INC"),
946 DMI_MATCH(DMI_PRODUCT_NAME, "P5W DH Deluxe"),
951 struct pci_dev *pdev = to_pci_dev(host->dev);
953 if (pdev->bus->number == 0 && pdev->devfn == PCI_DEVFN(0x1f, 2) &&
954 dmi_check_system(sysids)) {
955 struct ata_port *ap = host->ports[1];
958 "enabling ASUS P5W DH Deluxe on-board SIMG4726 workaround\n");
960 ap->ops = &ahci_p5wdh_ops;
961 ap->link.flags |= ATA_LFLAG_NO_SRST | ATA_LFLAG_ASSUME_ATA;
966 * Macbook7,1 firmware forcibly disables MCP89 AHCI and changes PCI ID when
967 * booting in BIOS compatibility mode. We restore the registers but not ID.
969 static void ahci_mcp89_apple_enable(struct pci_dev *pdev)
973 printk(KERN_INFO "ahci: enabling MCP89 AHCI mode\n");
975 pci_read_config_dword(pdev, 0xf8, &val);
977 /* the following changes the device ID, but appears not to affect function */
978 /* val = (val & ~0xf0000000) | 0x80000000; */
979 pci_write_config_dword(pdev, 0xf8, val);
981 pci_read_config_dword(pdev, 0x54c, &val);
983 pci_write_config_dword(pdev, 0x54c, val);
985 pci_read_config_dword(pdev, 0x4a4, &val);
988 pci_write_config_dword(pdev, 0x4a4, val);
990 pci_read_config_dword(pdev, 0x54c, &val);
992 pci_write_config_dword(pdev, 0x54c, val);
994 pci_read_config_dword(pdev, 0xf8, &val);
996 pci_write_config_dword(pdev, 0xf8, val);
999 static bool is_mcp89_apple(struct pci_dev *pdev)
1001 return pdev->vendor == PCI_VENDOR_ID_NVIDIA &&
1002 pdev->device == PCI_DEVICE_ID_NVIDIA_NFORCE_MCP89_SATA &&
1003 pdev->subsystem_vendor == PCI_VENDOR_ID_APPLE &&
1004 pdev->subsystem_device == 0xcb89;
1007 /* only some SB600 ahci controllers can do 64bit DMA */
1008 static bool ahci_sb600_enable_64bit(struct pci_dev *pdev)
1010 static const struct dmi_system_id sysids[] = {
1012 * The oldest version known to be broken is 0901 and
1013 * working is 1501 which was released on 2007-10-26.
1014 * Enable 64bit DMA on 1501 and anything newer.
1016 * Please read bko#9412 for more info.
1019 .ident = "ASUS M2A-VM",
1021 DMI_MATCH(DMI_BOARD_VENDOR,
1022 "ASUSTeK Computer INC."),
1023 DMI_MATCH(DMI_BOARD_NAME, "M2A-VM"),
1025 .driver_data = "20071026", /* yyyymmdd */
1028 * All BIOS versions for the MSI K9A2 Platinum (MS-7376)
1029 * support 64bit DMA.
1031 * BIOS versions earlier than 1.5 had the Manufacturer DMI
1032 * fields as "MICRO-STAR INTERANTIONAL CO.,LTD".
1033 * This spelling mistake was fixed in BIOS version 1.5, so
1034 * 1.5 and later have the Manufacturer as
1035 * "MICRO-STAR INTERNATIONAL CO.,LTD".
1036 * So try to match on DMI_BOARD_VENDOR of "MICRO-STAR INTER".
1038 * BIOS versions earlier than 1.9 had a Board Product Name
1039 * DMI field of "MS-7376". This was changed to be
1040 * "K9A2 Platinum (MS-7376)" in version 1.9, but we can still
1041 * match on DMI_BOARD_NAME of "MS-7376".
1044 .ident = "MSI K9A2 Platinum",
1046 DMI_MATCH(DMI_BOARD_VENDOR,
1047 "MICRO-STAR INTER"),
1048 DMI_MATCH(DMI_BOARD_NAME, "MS-7376"),
1052 * All BIOS versions for the MSI K9AGM2 (MS-7327) support
1055 * This board also had the typo mentioned above in the
1056 * Manufacturer DMI field (fixed in BIOS version 1.5), so
1057 * match on DMI_BOARD_VENDOR of "MICRO-STAR INTER" again.
1060 .ident = "MSI K9AGM2",
1062 DMI_MATCH(DMI_BOARD_VENDOR,
1063 "MICRO-STAR INTER"),
1064 DMI_MATCH(DMI_BOARD_NAME, "MS-7327"),
1068 * All BIOS versions for the Asus M3A support 64bit DMA.
1069 * (all release versions from 0301 to 1206 were tested)
1072 .ident = "ASUS M3A",
1074 DMI_MATCH(DMI_BOARD_VENDOR,
1075 "ASUSTeK Computer INC."),
1076 DMI_MATCH(DMI_BOARD_NAME, "M3A"),
1081 const struct dmi_system_id *match;
1082 int year, month, date;
1085 match = dmi_first_match(sysids);
1086 if (pdev->bus->number != 0 || pdev->devfn != PCI_DEVFN(0x12, 0) ||
1090 if (!match->driver_data)
1093 dmi_get_date(DMI_BIOS_DATE, &year, &month, &date);
1094 snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date);
1096 if (strcmp(buf, match->driver_data) >= 0)
1099 dev_warn(&pdev->dev,
1100 "%s: BIOS too old, forcing 32bit DMA, update BIOS\n",
1106 dev_warn(&pdev->dev, "%s: enabling 64bit DMA\n", match->ident);
1110 static bool ahci_broken_system_poweroff(struct pci_dev *pdev)
1112 static const struct dmi_system_id broken_systems[] = {
1114 .ident = "HP Compaq nx6310",
1116 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1117 DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq nx6310"),
1119 /* PCI slot number of the controller */
1120 .driver_data = (void *)0x1FUL,
1123 .ident = "HP Compaq 6720s",
1125 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1126 DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq 6720s"),
1128 /* PCI slot number of the controller */
1129 .driver_data = (void *)0x1FUL,
1132 { } /* terminate list */
1134 const struct dmi_system_id *dmi = dmi_first_match(broken_systems);
1137 unsigned long slot = (unsigned long)dmi->driver_data;
1138 /* apply the quirk only to on-board controllers */
1139 return slot == PCI_SLOT(pdev->devfn);
1145 static bool ahci_broken_suspend(struct pci_dev *pdev)
1147 static const struct dmi_system_id sysids[] = {
1149 * On HP dv[4-6] and HDX18 with earlier BIOSen, link
1150 * to the harddisk doesn't become online after
1151 * resuming from STR. Warn and fail suspend.
1153 * http://bugzilla.kernel.org/show_bug.cgi?id=12276
1155 * Use dates instead of versions to match as HP is
1156 * apparently recycling both product and version
1159 * http://bugzilla.kernel.org/show_bug.cgi?id=15462
1164 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1165 DMI_MATCH(DMI_PRODUCT_NAME,
1166 "HP Pavilion dv4 Notebook PC"),
1168 .driver_data = "20090105", /* F.30 */
1173 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1174 DMI_MATCH(DMI_PRODUCT_NAME,
1175 "HP Pavilion dv5 Notebook PC"),
1177 .driver_data = "20090506", /* F.16 */
1182 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1183 DMI_MATCH(DMI_PRODUCT_NAME,
1184 "HP Pavilion dv6 Notebook PC"),
1186 .driver_data = "20090423", /* F.21 */
1191 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1192 DMI_MATCH(DMI_PRODUCT_NAME,
1193 "HP HDX18 Notebook PC"),
1195 .driver_data = "20090430", /* F.23 */
1198 * Acer eMachines G725 has the same problem. BIOS
1199 * V1.03 is known to be broken. V3.04 is known to
1200 * work. Between, there are V1.06, V2.06 and V3.03
1201 * that we don't have much idea about. For now,
1202 * blacklist anything older than V3.04.
1204 * http://bugzilla.kernel.org/show_bug.cgi?id=15104
1209 DMI_MATCH(DMI_SYS_VENDOR, "eMachines"),
1210 DMI_MATCH(DMI_PRODUCT_NAME, "eMachines G725"),
1212 .driver_data = "20091216", /* V3.04 */
1214 { } /* terminate list */
1216 const struct dmi_system_id *dmi = dmi_first_match(sysids);
1217 int year, month, date;
1220 if (!dmi || pdev->bus->number || pdev->devfn != PCI_DEVFN(0x1f, 2))
1223 dmi_get_date(DMI_BIOS_DATE, &year, &month, &date);
1224 snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date);
1226 return strcmp(buf, dmi->driver_data) < 0;
1229 static bool ahci_broken_online(struct pci_dev *pdev)
1231 #define ENCODE_BUSDEVFN(bus, slot, func) \
1232 (void *)(unsigned long)(((bus) << 8) | PCI_DEVFN((slot), (func)))
1233 static const struct dmi_system_id sysids[] = {
1235 * There are several gigabyte boards which use
1236 * SIMG5723s configured as hardware RAID. Certain
1237 * 5723 firmware revisions shipped there keep the link
1238 * online but fail to answer properly to SRST or
1239 * IDENTIFY when no device is attached downstream
1240 * causing libata to retry quite a few times leading
1241 * to excessive detection delay.
1243 * As these firmwares respond to the second reset try
1244 * with invalid device signature, considering unknown
1245 * sig as offline works around the problem acceptably.
1248 .ident = "EP45-DQ6",
1250 DMI_MATCH(DMI_BOARD_VENDOR,
1251 "Gigabyte Technology Co., Ltd."),
1252 DMI_MATCH(DMI_BOARD_NAME, "EP45-DQ6"),
1254 .driver_data = ENCODE_BUSDEVFN(0x0a, 0x00, 0),
1257 .ident = "EP45-DS5",
1259 DMI_MATCH(DMI_BOARD_VENDOR,
1260 "Gigabyte Technology Co., Ltd."),
1261 DMI_MATCH(DMI_BOARD_NAME, "EP45-DS5"),
1263 .driver_data = ENCODE_BUSDEVFN(0x03, 0x00, 0),
1265 { } /* terminate list */
1267 #undef ENCODE_BUSDEVFN
1268 const struct dmi_system_id *dmi = dmi_first_match(sysids);
1274 val = (unsigned long)dmi->driver_data;
1276 return pdev->bus->number == (val >> 8) && pdev->devfn == (val & 0xff);
1279 static bool ahci_broken_devslp(struct pci_dev *pdev)
1281 /* device with broken DEVSLP but still showing SDS capability */
1282 static const struct pci_device_id ids[] = {
1283 { PCI_VDEVICE(INTEL, 0x0f23)}, /* Valleyview SoC */
1287 return pci_match_id(ids, pdev);
1290 #ifdef CONFIG_ATA_ACPI
1291 static void ahci_gtf_filter_workaround(struct ata_host *host)
1293 static const struct dmi_system_id sysids[] = {
1295 * Aspire 3810T issues a bunch of SATA enable commands
1296 * via _GTF including an invalid one and one which is
1297 * rejected by the device. Among the successful ones
1298 * is FPDMA non-zero offset enable which when enabled
1299 * only on the drive side leads to NCQ command
1300 * failures. Filter it out.
1303 .ident = "Aspire 3810T",
1305 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
1306 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3810T"),
1308 .driver_data = (void *)ATA_ACPI_FILTER_FPDMA_OFFSET,
1312 const struct dmi_system_id *dmi = dmi_first_match(sysids);
1313 unsigned int filter;
1319 filter = (unsigned long)dmi->driver_data;
1320 dev_info(host->dev, "applying extra ACPI _GTF filter 0x%x for %s\n",
1321 filter, dmi->ident);
1323 for (i = 0; i < host->n_ports; i++) {
1324 struct ata_port *ap = host->ports[i];
1325 struct ata_link *link;
1326 struct ata_device *dev;
1328 ata_for_each_link(link, ap, EDGE)
1329 ata_for_each_dev(dev, link, ALL)
1330 dev->gtf_filter |= filter;
1334 static inline void ahci_gtf_filter_workaround(struct ata_host *host)
1338 static int ahci_init_interrupts(struct pci_dev *pdev, unsigned int n_ports,
1339 struct ahci_host_priv *hpriv)
1343 if (hpriv->flags & AHCI_HFLAG_NO_MSI)
1346 nvec = pci_msi_vec_count(pdev);
1351 * If number of MSIs is less than number of ports then Sharing Last
1352 * Message mode could be enforced. In this case assume that advantage
1353 * of multipe MSIs is negated and use single MSI mode instead.
1358 rc = pci_enable_msi_exact(pdev, nvec);
1364 /* fallback to single MSI mode if the controller enforced MRSM mode */
1365 if (readl(hpriv->mmio + HOST_CTL) & HOST_MRSM) {
1366 pci_disable_msi(pdev);
1367 printk(KERN_INFO "ahci: MRSM is on, fallback to single MSI\n");
1372 hpriv->flags |= AHCI_HFLAG_MULTI_MSI;
1377 if (pci_enable_msi(pdev))
1386 static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
1388 unsigned int board_id = ent->driver_data;
1389 struct ata_port_info pi = ahci_port_info[board_id];
1390 const struct ata_port_info *ppi[] = { &pi, NULL };
1391 struct device *dev = &pdev->dev;
1392 struct ahci_host_priv *hpriv;
1393 struct ata_host *host;
1395 int ahci_pci_bar = AHCI_PCI_BAR_STANDARD;
1399 WARN_ON((int)ATA_MAX_QUEUE > AHCI_MAX_CMDS);
1401 ata_print_version_once(&pdev->dev, DRV_VERSION);
1403 /* The AHCI driver can only drive the SATA ports, the PATA driver
1404 can drive them all so if both drivers are selected make sure
1405 AHCI stays out of the way */
1406 if (pdev->vendor == PCI_VENDOR_ID_MARVELL && !marvell_enable)
1409 /* Apple BIOS on MCP89 prevents us using AHCI */
1410 if (is_mcp89_apple(pdev))
1411 ahci_mcp89_apple_enable(pdev);
1413 /* Promise's PDC42819 is a SAS/SATA controller that has an AHCI mode.
1414 * At the moment, we can only use the AHCI mode. Let the users know
1415 * that for SAS drives they're out of luck.
1417 if (pdev->vendor == PCI_VENDOR_ID_PROMISE)
1418 dev_info(&pdev->dev,
1419 "PDC42819 can only drive SATA devices with this driver\n");
1421 /* Both Connext and Enmotus devices use non-standard BARs */
1422 if (pdev->vendor == PCI_VENDOR_ID_STMICRO && pdev->device == 0xCC06)
1423 ahci_pci_bar = AHCI_PCI_BAR_STA2X11;
1424 else if (pdev->vendor == 0x1c44 && pdev->device == 0x8000)
1425 ahci_pci_bar = AHCI_PCI_BAR_ENMOTUS;
1427 /* acquire resources */
1428 rc = pcim_enable_device(pdev);
1432 if (pdev->vendor == PCI_VENDOR_ID_INTEL &&
1433 (pdev->device == 0x2652 || pdev->device == 0x2653)) {
1436 /* ICH6s share the same PCI ID for both piix and ahci
1437 * modes. Enabling ahci mode while MAP indicates
1438 * combined mode is a bad idea. Yield to ata_piix.
1440 pci_read_config_byte(pdev, ICH_MAP, &map);
1442 dev_info(&pdev->dev,
1443 "controller is in combined mode, can't enable AHCI mode\n");
1448 /* AHCI controllers often implement SFF compatible interface.
1449 * Grab all PCI BARs just in case.
1451 rc = pcim_iomap_regions_request_all(pdev, 1 << ahci_pci_bar, DRV_NAME);
1453 pcim_pin_device(pdev);
1457 hpriv = devm_kzalloc(dev, sizeof(*hpriv), GFP_KERNEL);
1460 hpriv->flags |= (unsigned long)pi.private_data;
1462 /* MCP65 revision A1 and A2 can't do MSI */
1463 if (board_id == board_ahci_mcp65 &&
1464 (pdev->revision == 0xa1 || pdev->revision == 0xa2))
1465 hpriv->flags |= AHCI_HFLAG_NO_MSI;
1467 /* SB800 does NOT need the workaround to ignore SERR_INTERNAL */
1468 if (board_id == board_ahci_sb700 && pdev->revision >= 0x40)
1469 hpriv->flags &= ~AHCI_HFLAG_IGN_SERR_INTERNAL;
1471 /* only some SB600s can do 64bit DMA */
1472 if (ahci_sb600_enable_64bit(pdev))
1473 hpriv->flags &= ~AHCI_HFLAG_32BIT_ONLY;
1475 hpriv->mmio = pcim_iomap_table(pdev)[ahci_pci_bar];
1477 /* must set flag prior to save config in order to take effect */
1478 if (ahci_broken_devslp(pdev))
1479 hpriv->flags |= AHCI_HFLAG_NO_DEVSLP;
1481 /* save initial config */
1482 ahci_pci_save_initial_config(pdev, hpriv);
1485 if (hpriv->cap & HOST_CAP_NCQ) {
1486 pi.flags |= ATA_FLAG_NCQ;
1488 * Auto-activate optimization is supposed to be
1489 * supported on all AHCI controllers indicating NCQ
1490 * capability, but it seems to be broken on some
1491 * chipsets including NVIDIAs.
1493 if (!(hpriv->flags & AHCI_HFLAG_NO_FPDMA_AA))
1494 pi.flags |= ATA_FLAG_FPDMA_AA;
1497 * All AHCI controllers should be forward-compatible
1498 * with the new auxiliary field. This code should be
1499 * conditionalized if any buggy AHCI controllers are
1502 pi.flags |= ATA_FLAG_FPDMA_AUX;
1505 if (hpriv->cap & HOST_CAP_PMP)
1506 pi.flags |= ATA_FLAG_PMP;
1508 ahci_set_em_messages(hpriv, &pi);
1510 if (ahci_broken_system_poweroff(pdev)) {
1511 pi.flags |= ATA_FLAG_NO_POWEROFF_SPINDOWN;
1512 dev_info(&pdev->dev,
1513 "quirky BIOS, skipping spindown on poweroff\n");
1516 if (ahci_broken_suspend(pdev)) {
1517 hpriv->flags |= AHCI_HFLAG_NO_SUSPEND;
1518 dev_warn(&pdev->dev,
1519 "BIOS update required for suspend/resume\n");
1522 if (ahci_broken_online(pdev)) {
1523 hpriv->flags |= AHCI_HFLAG_SRST_TOUT_IS_OFFLINE;
1524 dev_info(&pdev->dev,
1525 "online status unreliable, applying workaround\n");
1528 /* CAP.NP sometimes indicate the index of the last enabled
1529 * port, at other times, that of the last possible port, so
1530 * determining the maximum port number requires looking at
1531 * both CAP.NP and port_map.
1533 n_ports = max(ahci_nr_ports(hpriv->cap), fls(hpriv->port_map));
1535 ahci_init_interrupts(pdev, n_ports, hpriv);
1537 host = ata_host_alloc_pinfo(&pdev->dev, ppi, n_ports);
1540 host->private_data = hpriv;
1542 if (!(hpriv->cap & HOST_CAP_SSS) || ahci_ignore_sss)
1543 host->flags |= ATA_HOST_PARALLEL_SCAN;
1545 dev_info(&pdev->dev, "SSS flag set, parallel bus scan disabled\n");
1547 if (pi.flags & ATA_FLAG_EM)
1548 ahci_reset_em(host);
1550 for (i = 0; i < host->n_ports; i++) {
1551 struct ata_port *ap = host->ports[i];
1553 ata_port_pbar_desc(ap, ahci_pci_bar, -1, "abar");
1554 ata_port_pbar_desc(ap, ahci_pci_bar,
1555 0x100 + ap->port_no * 0x80, "port");
1557 /* set enclosure management message type */
1558 if (ap->flags & ATA_FLAG_EM)
1559 ap->em_message_type = hpriv->em_msg_type;
1562 /* disabled/not-implemented port */
1563 if (!(hpriv->port_map & (1 << i)))
1564 ap->ops = &ata_dummy_port_ops;
1567 /* apply workaround for ASUS P5W DH Deluxe mainboard */
1568 ahci_p5wdh_workaround(host);
1570 /* apply gtf filter quirk */
1571 ahci_gtf_filter_workaround(host);
1573 /* initialize adapter */
1574 rc = ahci_configure_dma_masks(pdev, hpriv->cap & HOST_CAP_64);
1578 rc = ahci_pci_reset_controller(host);
1582 ahci_pci_init_controller(host);
1583 ahci_pci_print_info(host);
1585 pci_set_master(pdev);
1587 return ahci_host_activate(host, pdev->irq, &ahci_sht);
1590 module_pci_driver(ahci_pci_driver);
1592 MODULE_AUTHOR("Jeff Garzik");
1593 MODULE_DESCRIPTION("AHCI SATA low-level driver");
1594 MODULE_LICENSE("GPL");
1595 MODULE_DEVICE_TABLE(pci, ahci_pci_tbl);
1596 MODULE_VERSION(DRV_VERSION);