diff options
author | David S. Miller <davem@davemloft.net> | 2008-03-18 03:37:55 -0400 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2008-03-18 03:37:55 -0400 |
commit | 577f99c1d08cf9cbdafd4e858dd13ff04d855090 (patch) | |
tree | 0f726bbda9b18d311d4c95198bbd96cb7ac01db0 /drivers/ata/sata_svw.c | |
parent | 26c0f03f6b77c513cb7bc37b73a06819bdbb791b (diff) | |
parent | 2f633928cbba8a5858bb39b11e7219a41b0fbef5 (diff) |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
drivers/net/wireless/rt2x00/rt2x00dev.c
net/8021q/vlan_dev.c
Diffstat (limited to 'drivers/ata/sata_svw.c')
-rw-r--r-- | drivers/ata/sata_svw.c | 77 |
1 files changed, 63 insertions, 14 deletions
diff --git a/drivers/ata/sata_svw.c b/drivers/ata/sata_svw.c index 69f651e0bc98..840d1c4a7850 100644 --- a/drivers/ata/sata_svw.c +++ b/drivers/ata/sata_svw.c | |||
@@ -45,6 +45,8 @@ | |||
45 | #include <linux/interrupt.h> | 45 | #include <linux/interrupt.h> |
46 | #include <linux/device.h> | 46 | #include <linux/device.h> |
47 | #include <scsi/scsi_host.h> | 47 | #include <scsi/scsi_host.h> |
48 | #include <scsi/scsi_cmnd.h> | ||
49 | #include <scsi/scsi.h> | ||
48 | #include <linux/libata.h> | 50 | #include <linux/libata.h> |
49 | 51 | ||
50 | #ifdef CONFIG_PPC_OF | 52 | #ifdef CONFIG_PPC_OF |
@@ -59,6 +61,7 @@ enum { | |||
59 | /* ap->flags bits */ | 61 | /* ap->flags bits */ |
60 | K2_FLAG_SATA_8_PORTS = (1 << 24), | 62 | K2_FLAG_SATA_8_PORTS = (1 << 24), |
61 | K2_FLAG_NO_ATAPI_DMA = (1 << 25), | 63 | K2_FLAG_NO_ATAPI_DMA = (1 << 25), |
64 | K2_FLAG_BAR_POS_3 = (1 << 26), | ||
62 | 65 | ||
63 | /* Taskfile registers offsets */ | 66 | /* Taskfile registers offsets */ |
64 | K2_SATA_TF_CMD_OFFSET = 0x00, | 67 | K2_SATA_TF_CMD_OFFSET = 0x00, |
@@ -88,8 +91,10 @@ enum { | |||
88 | /* Port stride */ | 91 | /* Port stride */ |
89 | K2_SATA_PORT_OFFSET = 0x100, | 92 | K2_SATA_PORT_OFFSET = 0x100, |
90 | 93 | ||
91 | board_svw4 = 0, | 94 | chip_svw4 = 0, |
92 | board_svw8 = 1, | 95 | chip_svw8 = 1, |
96 | chip_svw42 = 2, /* bar 3 */ | ||
97 | chip_svw43 = 3, /* bar 5 */ | ||
93 | }; | 98 | }; |
94 | 99 | ||
95 | static u8 k2_stat_check_status(struct ata_port *ap); | 100 | static u8 k2_stat_check_status(struct ata_port *ap); |
@@ -97,10 +102,25 @@ static u8 k2_stat_check_status(struct ata_port *ap); | |||
97 | 102 | ||
98 | static int k2_sata_check_atapi_dma(struct ata_queued_cmd *qc) | 103 | static int k2_sata_check_atapi_dma(struct ata_queued_cmd *qc) |
99 | { | 104 | { |
105 | u8 cmnd = qc->scsicmd->cmnd[0]; | ||
106 | |||
100 | if (qc->ap->flags & K2_FLAG_NO_ATAPI_DMA) | 107 | if (qc->ap->flags & K2_FLAG_NO_ATAPI_DMA) |
101 | return -1; /* ATAPI DMA not supported */ | 108 | return -1; /* ATAPI DMA not supported */ |
109 | else { | ||
110 | switch (cmnd) { | ||
111 | case READ_10: | ||
112 | case READ_12: | ||
113 | case READ_16: | ||
114 | case WRITE_10: | ||
115 | case WRITE_12: | ||
116 | case WRITE_16: | ||
117 | return 0; | ||
118 | |||
119 | default: | ||
120 | return -1; | ||
121 | } | ||
102 | 122 | ||
103 | return 0; | 123 | } |
104 | } | 124 | } |
105 | 125 | ||
106 | static int k2_sata_scr_read(struct ata_port *ap, unsigned int sc_reg, u32 *val) | 126 | static int k2_sata_scr_read(struct ata_port *ap, unsigned int sc_reg, u32 *val) |
@@ -354,7 +374,7 @@ static const struct ata_port_operations k2_sata_ops = { | |||
354 | }; | 374 | }; |
355 | 375 | ||
356 | static const struct ata_port_info k2_port_info[] = { | 376 | static const struct ata_port_info k2_port_info[] = { |
357 | /* board_svw4 */ | 377 | /* chip_svw4 */ |
358 | { | 378 | { |
359 | .flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY | | 379 | .flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY | |
360 | ATA_FLAG_MMIO | K2_FLAG_NO_ATAPI_DMA, | 380 | ATA_FLAG_MMIO | K2_FLAG_NO_ATAPI_DMA, |
@@ -363,7 +383,7 @@ static const struct ata_port_info k2_port_info[] = { | |||
363 | .udma_mask = ATA_UDMA6, | 383 | .udma_mask = ATA_UDMA6, |
364 | .port_ops = &k2_sata_ops, | 384 | .port_ops = &k2_sata_ops, |
365 | }, | 385 | }, |
366 | /* board_svw8 */ | 386 | /* chip_svw8 */ |
367 | { | 387 | { |
368 | .flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY | | 388 | .flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY | |
369 | ATA_FLAG_MMIO | K2_FLAG_NO_ATAPI_DMA | | 389 | ATA_FLAG_MMIO | K2_FLAG_NO_ATAPI_DMA | |
@@ -373,6 +393,24 @@ static const struct ata_port_info k2_port_info[] = { | |||
373 | .udma_mask = ATA_UDMA6, | 393 | .udma_mask = ATA_UDMA6, |
374 | .port_ops = &k2_sata_ops, | 394 | .port_ops = &k2_sata_ops, |
375 | }, | 395 | }, |
396 | /* chip_svw42 */ | ||
397 | { | ||
398 | .flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY | | ||
399 | ATA_FLAG_MMIO | K2_FLAG_BAR_POS_3, | ||
400 | .pio_mask = 0x1f, | ||
401 | .mwdma_mask = 0x07, | ||
402 | .udma_mask = ATA_UDMA6, | ||
403 | .port_ops = &k2_sata_ops, | ||
404 | }, | ||
405 | /* chip_svw43 */ | ||
406 | { | ||
407 | .flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY | | ||
408 | ATA_FLAG_MMIO, | ||
409 | .pio_mask = 0x1f, | ||
410 | .mwdma_mask = 0x07, | ||
411 | .udma_mask = ATA_UDMA6, | ||
412 | .port_ops = &k2_sata_ops, | ||
413 | }, | ||
376 | }; | 414 | }; |
377 | 415 | ||
378 | static void k2_sata_setup_port(struct ata_ioports *port, void __iomem *base) | 416 | static void k2_sata_setup_port(struct ata_ioports *port, void __iomem *base) |
@@ -402,7 +440,7 @@ static int k2_sata_init_one(struct pci_dev *pdev, const struct pci_device_id *en | |||
402 | { &k2_port_info[ent->driver_data], NULL }; | 440 | { &k2_port_info[ent->driver_data], NULL }; |
403 | struct ata_host *host; | 441 | struct ata_host *host; |
404 | void __iomem *mmio_base; | 442 | void __iomem *mmio_base; |
405 | int n_ports, i, rc; | 443 | int n_ports, i, rc, bar_pos; |
406 | 444 | ||
407 | if (!printed_version++) | 445 | if (!printed_version++) |
408 | dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n"); | 446 | dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n"); |
@@ -416,6 +454,9 @@ static int k2_sata_init_one(struct pci_dev *pdev, const struct pci_device_id *en | |||
416 | if (!host) | 454 | if (!host) |
417 | return -ENOMEM; | 455 | return -ENOMEM; |
418 | 456 | ||
457 | bar_pos = 5; | ||
458 | if (ppi[0]->flags & K2_FLAG_BAR_POS_3) | ||
459 | bar_pos = 3; | ||
419 | /* | 460 | /* |
420 | * If this driver happens to only be useful on Apple's K2, then | 461 | * If this driver happens to only be useful on Apple's K2, then |
421 | * we should check that here as it has a normal Serverworks ID | 462 | * we should check that here as it has a normal Serverworks ID |
@@ -428,17 +469,23 @@ static int k2_sata_init_one(struct pci_dev *pdev, const struct pci_device_id *en | |||
428 | * Check if we have resources mapped at all (second function may | 469 | * Check if we have resources mapped at all (second function may |
429 | * have been disabled by firmware) | 470 | * have been disabled by firmware) |
430 | */ | 471 | */ |
431 | if (pci_resource_len(pdev, 5) == 0) | 472 | if (pci_resource_len(pdev, bar_pos) == 0) { |
473 | /* In IDE mode we need to pin the device to ensure that | ||
474 | pcim_release does not clear the busmaster bit in config | ||
475 | space, clearing causes busmaster DMA to fail on | ||
476 | ports 3 & 4 */ | ||
477 | pcim_pin_device(pdev); | ||
432 | return -ENODEV; | 478 | return -ENODEV; |
479 | } | ||
433 | 480 | ||
434 | /* Request and iomap PCI regions */ | 481 | /* Request and iomap PCI regions */ |
435 | rc = pcim_iomap_regions(pdev, 1 << 5, DRV_NAME); | 482 | rc = pcim_iomap_regions(pdev, 1 << bar_pos, DRV_NAME); |
436 | if (rc == -EBUSY) | 483 | if (rc == -EBUSY) |
437 | pcim_pin_device(pdev); | 484 | pcim_pin_device(pdev); |
438 | if (rc) | 485 | if (rc) |
439 | return rc; | 486 | return rc; |
440 | host->iomap = pcim_iomap_table(pdev); | 487 | host->iomap = pcim_iomap_table(pdev); |
441 | mmio_base = host->iomap[5]; | 488 | mmio_base = host->iomap[bar_pos]; |
442 | 489 | ||
443 | /* different controllers have different number of ports - currently 4 or 8 */ | 490 | /* different controllers have different number of ports - currently 4 or 8 */ |
444 | /* All ports are on the same function. Multi-function device is no | 491 | /* All ports are on the same function. Multi-function device is no |
@@ -483,11 +530,13 @@ static int k2_sata_init_one(struct pci_dev *pdev, const struct pci_device_id *en | |||
483 | * controller | 530 | * controller |
484 | * */ | 531 | * */ |
485 | static const struct pci_device_id k2_sata_pci_tbl[] = { | 532 | static const struct pci_device_id k2_sata_pci_tbl[] = { |
486 | { PCI_VDEVICE(SERVERWORKS, 0x0240), board_svw4 }, | 533 | { PCI_VDEVICE(SERVERWORKS, 0x0240), chip_svw4 }, |
487 | { PCI_VDEVICE(SERVERWORKS, 0x0241), board_svw4 }, | 534 | { PCI_VDEVICE(SERVERWORKS, 0x0241), chip_svw4 }, |
488 | { PCI_VDEVICE(SERVERWORKS, 0x0242), board_svw8 }, | 535 | { PCI_VDEVICE(SERVERWORKS, 0x0242), chip_svw8 }, |
489 | { PCI_VDEVICE(SERVERWORKS, 0x024a), board_svw4 }, | 536 | { PCI_VDEVICE(SERVERWORKS, 0x024a), chip_svw4 }, |
490 | { PCI_VDEVICE(SERVERWORKS, 0x024b), board_svw4 }, | 537 | { PCI_VDEVICE(SERVERWORKS, 0x024b), chip_svw4 }, |
538 | { PCI_VDEVICE(SERVERWORKS, 0x0410), chip_svw42 }, | ||
539 | { PCI_VDEVICE(SERVERWORKS, 0x0411), chip_svw43 }, | ||
491 | 540 | ||
492 | { } | 541 | { } |
493 | }; | 542 | }; |