diff options
-rw-r--r-- | arch/i386/pci/fixup.c | 55 | ||||
-rw-r--r-- | arch/ia64/pci/Makefile | 2 | ||||
-rw-r--r-- | arch/ia64/pci/fixup.c | 69 | ||||
-rw-r--r-- | drivers/pci/quirks.c | 46 | ||||
-rw-r--r-- | drivers/pci/rom.c | 5 |
5 files changed, 128 insertions, 49 deletions
diff --git a/arch/i386/pci/fixup.c b/arch/i386/pci/fixup.c index 908b410f4c93..c1949ff38d61 100644 --- a/arch/i386/pci/fixup.c +++ b/arch/i386/pci/fixup.c | |||
@@ -343,6 +343,61 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_MCH_PC, pcie_ro | |||
343 | DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_MCH_PC1, pcie_rootport_aspm_quirk ); | 343 | DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_MCH_PC1, pcie_rootport_aspm_quirk ); |
344 | 344 | ||
345 | /* | 345 | /* |
346 | * Fixup to mark boot BIOS video selected by BIOS before it changes | ||
347 | * | ||
348 | * From information provided by "Jon Smirl" <jonsmirl@gmail.com> | ||
349 | * | ||
350 | * The standard boot ROM sequence for an x86 machine uses the BIOS | ||
351 | * to select an initial video card for boot display. This boot video | ||
352 | * card will have it's BIOS copied to C0000 in system RAM. | ||
353 | * IORESOURCE_ROM_SHADOW is used to associate the boot video | ||
354 | * card with this copy. On laptops this copy has to be used since | ||
355 | * the main ROM may be compressed or combined with another image. | ||
356 | * See pci_map_rom() for use of this flag. IORESOURCE_ROM_SHADOW | ||
357 | * is marked here since the boot video device will be the only enabled | ||
358 | * video device at this point. | ||
359 | */ | ||
360 | |||
361 | static void __devinit pci_fixup_video(struct pci_dev *pdev) | ||
362 | { | ||
363 | struct pci_dev *bridge; | ||
364 | struct pci_bus *bus; | ||
365 | u16 config; | ||
366 | |||
367 | if ((pdev->class >> 8) != PCI_CLASS_DISPLAY_VGA) | ||
368 | return; | ||
369 | |||
370 | /* Is VGA routed to us? */ | ||
371 | bus = pdev->bus; | ||
372 | while (bus) { | ||
373 | bridge = bus->self; | ||
374 | |||
375 | /* | ||
376 | * From information provided by | ||
377 | * "David Miller" <davem@davemloft.net> | ||
378 | * The bridge control register is valid for PCI header | ||
379 | * type BRIDGE, or CARDBUS. Host to PCI controllers use | ||
380 | * PCI header type NORMAL. | ||
381 | */ | ||
382 | if (bridge | ||
383 | &&((bridge->hdr_type == PCI_HEADER_TYPE_BRIDGE) | ||
384 | ||(bridge->hdr_type == PCI_HEADER_TYPE_CARDBUS))) { | ||
385 | pci_read_config_word(bridge, PCI_BRIDGE_CONTROL, | ||
386 | &config); | ||
387 | if (!(config & PCI_BRIDGE_CTL_VGA)) | ||
388 | return; | ||
389 | } | ||
390 | bus = bus->parent; | ||
391 | } | ||
392 | pci_read_config_word(pdev, PCI_COMMAND, &config); | ||
393 | if (config & (PCI_COMMAND_IO | PCI_COMMAND_MEMORY)) { | ||
394 | pdev->resource[PCI_ROM_RESOURCE].flags |= IORESOURCE_ROM_SHADOW; | ||
395 | printk(KERN_DEBUG "Boot video device is %s\n", pci_name(pdev)); | ||
396 | } | ||
397 | } | ||
398 | DECLARE_PCI_FIXUP_HEADER(PCI_ANY_ID, PCI_ANY_ID, pci_fixup_video); | ||
399 | |||
400 | /* | ||
346 | * Some Toshiba laptops need extra code to enable their TI TSB43AB22/A. | 401 | * Some Toshiba laptops need extra code to enable their TI TSB43AB22/A. |
347 | * | 402 | * |
348 | * We pretend to bring them out of full D3 state, and restore the proper | 403 | * We pretend to bring them out of full D3 state, and restore the proper |
diff --git a/arch/ia64/pci/Makefile b/arch/ia64/pci/Makefile index e66889e6922a..fb14dc520d2d 100644 --- a/arch/ia64/pci/Makefile +++ b/arch/ia64/pci/Makefile | |||
@@ -1,4 +1,4 @@ | |||
1 | # | 1 | # |
2 | # Makefile for the ia64-specific parts of the pci bus | 2 | # Makefile for the ia64-specific parts of the pci bus |
3 | # | 3 | # |
4 | obj-y := pci.o | 4 | obj-y := pci.o fixup.o |
diff --git a/arch/ia64/pci/fixup.c b/arch/ia64/pci/fixup.c new file mode 100644 index 000000000000..245dc1fedc24 --- /dev/null +++ b/arch/ia64/pci/fixup.c | |||
@@ -0,0 +1,69 @@ | |||
1 | /* | ||
2 | * Exceptions for specific devices. Usually work-arounds for fatal design flaws. | ||
3 | * Derived from fixup.c of i386 tree. | ||
4 | */ | ||
5 | |||
6 | #include <linux/pci.h> | ||
7 | #include <linux/init.h> | ||
8 | |||
9 | #include <asm/machvec.h> | ||
10 | |||
11 | /* | ||
12 | * Fixup to mark boot BIOS video selected by BIOS before it changes | ||
13 | * | ||
14 | * From information provided by "Jon Smirl" <jonsmirl@gmail.com> | ||
15 | * | ||
16 | * The standard boot ROM sequence for an x86 machine uses the BIOS | ||
17 | * to select an initial video card for boot display. This boot video | ||
18 | * card will have it's BIOS copied to C0000 in system RAM. | ||
19 | * IORESOURCE_ROM_SHADOW is used to associate the boot video | ||
20 | * card with this copy. On laptops this copy has to be used since | ||
21 | * the main ROM may be compressed or combined with another image. | ||
22 | * See pci_map_rom() for use of this flag. IORESOURCE_ROM_SHADOW | ||
23 | * is marked here since the boot video device will be the only enabled | ||
24 | * video device at this point. | ||
25 | */ | ||
26 | |||
27 | static void __devinit pci_fixup_video(struct pci_dev *pdev) | ||
28 | { | ||
29 | struct pci_dev *bridge; | ||
30 | struct pci_bus *bus; | ||
31 | u16 config; | ||
32 | |||
33 | if ((strcmp(platform_name, "dig") != 0) | ||
34 | && (strcmp(platform_name, "hpzx1") != 0)) | ||
35 | return; | ||
36 | /* Maybe, this machine supports legacy memory map. */ | ||
37 | |||
38 | if ((pdev->class >> 8) != PCI_CLASS_DISPLAY_VGA) | ||
39 | return; | ||
40 | |||
41 | /* Is VGA routed to us? */ | ||
42 | bus = pdev->bus; | ||
43 | while (bus) { | ||
44 | bridge = bus->self; | ||
45 | |||
46 | /* | ||
47 | * From information provided by | ||
48 | * "David Miller" <davem@davemloft.net> | ||
49 | * The bridge control register is valid for PCI header | ||
50 | * type BRIDGE, or CARDBUS. Host to PCI controllers use | ||
51 | * PCI header type NORMAL. | ||
52 | */ | ||
53 | if (bridge | ||
54 | &&((bridge->hdr_type == PCI_HEADER_TYPE_BRIDGE) | ||
55 | ||(bridge->hdr_type == PCI_HEADER_TYPE_CARDBUS))) { | ||
56 | pci_read_config_word(bridge, PCI_BRIDGE_CONTROL, | ||
57 | &config); | ||
58 | if (!(config & PCI_BRIDGE_CTL_VGA)) | ||
59 | return; | ||
60 | } | ||
61 | bus = bus->parent; | ||
62 | } | ||
63 | pci_read_config_word(pdev, PCI_COMMAND, &config); | ||
64 | if (config & (PCI_COMMAND_IO | PCI_COMMAND_MEMORY)) { | ||
65 | pdev->resource[PCI_ROM_RESOURCE].flags |= IORESOURCE_ROM_SHADOW; | ||
66 | printk(KERN_DEBUG "Boot video device is %s\n", pci_name(pdev)); | ||
67 | } | ||
68 | } | ||
69 | DECLARE_PCI_FIXUP_HEADER(PCI_ANY_ID, PCI_ANY_ID, pci_fixup_video); | ||
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index e8a7f1b1b2bc..687ab4a0c6c6 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c | |||
@@ -1619,52 +1619,6 @@ static void __devinit fixup_rev1_53c810(struct pci_dev* dev) | |||
1619 | } | 1619 | } |
1620 | DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NCR, PCI_DEVICE_ID_NCR_53C810, fixup_rev1_53c810); | 1620 | DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NCR, PCI_DEVICE_ID_NCR_53C810, fixup_rev1_53c810); |
1621 | 1621 | ||
1622 | /* | ||
1623 | * Fixup to mark boot BIOS video selected by BIOS before it changes | ||
1624 | * | ||
1625 | * From information provided by "Jon Smirl" <jonsmirl@gmail.com> | ||
1626 | * | ||
1627 | * The standard boot ROM sequence for an x86 machine uses the BIOS | ||
1628 | * to select an initial video card for boot display. This boot video | ||
1629 | * card will have it's BIOS copied to C0000 in system RAM. | ||
1630 | * IORESOURCE_ROM_SHADOW is used to associate the boot video | ||
1631 | * card with this copy. On laptops this copy has to be used since | ||
1632 | * the main ROM may be compressed or combined with another image. | ||
1633 | * See pci_map_rom() for use of this flag. IORESOURCE_ROM_SHADOW | ||
1634 | * is marked here since the boot video device will be the only enabled | ||
1635 | * video device at this point. | ||
1636 | */ | ||
1637 | |||
1638 | static void __devinit fixup_video(struct pci_dev *pdev) | ||
1639 | { | ||
1640 | struct pci_dev *bridge; | ||
1641 | struct pci_bus *bus; | ||
1642 | u16 config; | ||
1643 | |||
1644 | if ((pdev->class >> 8) != PCI_CLASS_DISPLAY_VGA) | ||
1645 | return; | ||
1646 | |||
1647 | /* Is VGA routed to us? */ | ||
1648 | bus = pdev->bus; | ||
1649 | while (bus) { | ||
1650 | bridge = bus->self; | ||
1651 | if (bridge) { | ||
1652 | pci_read_config_word(bridge, PCI_BRIDGE_CONTROL, | ||
1653 | &config); | ||
1654 | if (!(config & PCI_BRIDGE_CTL_VGA)) | ||
1655 | return; | ||
1656 | } | ||
1657 | bus = bus->parent; | ||
1658 | } | ||
1659 | pci_read_config_word(pdev, PCI_COMMAND, &config); | ||
1660 | if (config & (PCI_COMMAND_IO | PCI_COMMAND_MEMORY)) { | ||
1661 | pdev->resource[PCI_ROM_RESOURCE].flags |= IORESOURCE_ROM_SHADOW; | ||
1662 | printk(KERN_DEBUG "Boot video device is %s\n", pci_name(pdev)); | ||
1663 | } | ||
1664 | } | ||
1665 | DECLARE_PCI_FIXUP_HEADER(PCI_ANY_ID, PCI_ANY_ID, fixup_video); | ||
1666 | |||
1667 | |||
1668 | static void pci_do_fixups(struct pci_dev *dev, struct pci_fixup *f, struct pci_fixup *end) | 1622 | static void pci_do_fixups(struct pci_dev *dev, struct pci_fixup *f, struct pci_fixup *end) |
1669 | { | 1623 | { |
1670 | while (f < end) { | 1624 | while (f < end) { |
diff --git a/drivers/pci/rom.c b/drivers/pci/rom.c index 43e4a49f2cc4..e1dcefc69bb4 100644 --- a/drivers/pci/rom.c +++ b/drivers/pci/rom.c | |||
@@ -72,8 +72,9 @@ void __iomem *pci_map_rom(struct pci_dev *pdev, size_t *size) | |||
72 | int last_image; | 72 | int last_image; |
73 | 73 | ||
74 | /* | 74 | /* |
75 | * IORESOURCE_ROM_SHADOW set if the VGA enable bit of the Bridge Control | 75 | * IORESOURCE_ROM_SHADOW set on x86, x86_64 and IA64 supports legacy |
76 | * register is set for embedded VGA. | 76 | * memory map if the VGA enable bit of the Bridge Control register is |
77 | * set for embedded VGA. | ||
77 | */ | 78 | */ |
78 | if (res->flags & IORESOURCE_ROM_SHADOW) { | 79 | if (res->flags & IORESOURCE_ROM_SHADOW) { |
79 | /* primary video rom always starts here */ | 80 | /* primary video rom always starts here */ |