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authorLinus Torvalds <torvalds@g5.osdl.org>2006-10-18 17:50:40 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-10-18 17:50:40 -0700
commitb6aefcce747b3bc54d701d3c329416d0c9616f10 (patch)
tree18340f3dea5abf9f1c67b2ff0e0e4941a432b46e /arch
parent65740356ccfa66703e7e0d47fbe372ba5193916b (diff)
parent7a54f25cef6c763f16c9fd49ae382de162147873 (diff)
downloadop-kernel-dev-b6aefcce747b3bc54d701d3c329416d0c9616f10.zip
op-kernel-dev-b6aefcce747b3bc54d701d3c329416d0c9616f10.tar.gz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/pci-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/pci-2.6: (22 commits) PCI Hotplug: move pci_hotplug.h to include/linux/ change pci hotplug subsystem maintainer to Kristen PCI: optionally sort device lists breadth-first cpcihp_generic: prevent loading without "bridge" parameter pci: Additional search functions PCI: quirks: switch quirks code offender to use pci_get API PCI: Update MSI-HOWTO.txt according to pci_msi_supported() PCI: Improve pci_msi_supported() comments PCI hotplug: ioremap balanced with iounmap shpchp: remove unnecessary cmd_busy member from struct controller shpchp: fix command completion check pci: Stamp out pci_find_* usage in fakephp PCI: fix pcie_portdrv_restore_config undefined without CONFIG_PM error Fix DMA resource allocation in ACPIPnP PCI: Turn pci_fixup_video into generic for embedded VGA PCI: add ICH7/8 ACPI/GPIO io resource quirks PCI: pcie-check-and-return-bus_register-errors fix PCI: VIA IRQ quirk behaviour change pciehp: Remove unnecessary check in pciehp_ctrl.c pciehp - add missing locking ...
Diffstat (limited to 'arch')
-rw-r--r--arch/i386/pci/common.c59
-rw-r--r--arch/i386/pci/fixup.c45
-rw-r--r--arch/i386/pci/pci.h7
3 files changed, 64 insertions, 47 deletions
diff --git a/arch/i386/pci/common.c b/arch/i386/pci/common.c
index 68bce194..6d5ace8 100644
--- a/arch/i386/pci/common.c
+++ b/arch/i386/pci/common.c
@@ -20,6 +20,7 @@
unsigned int pci_probe = PCI_PROBE_BIOS | PCI_PROBE_CONF1 | PCI_PROBE_CONF2 |
PCI_PROBE_MMCONF;
+int pci_bf_sort;
int pci_routeirq;
int pcibios_last_bus = -1;
unsigned long pirq_table_addr;
@@ -118,6 +119,20 @@ void __devinit pcibios_fixup_bus(struct pci_bus *b)
}
/*
+ * Only use DMI information to set this if nothing was passed
+ * on the kernel command line (which was parsed earlier).
+ */
+
+static int __devinit set_bf_sort(struct dmi_system_id *d)
+{
+ if (pci_bf_sort == pci_bf_sort_default) {
+ pci_bf_sort = pci_dmi_bf;
+ printk(KERN_INFO "PCI: %s detected, enabling pci=bfsort.\n", d->ident);
+ }
+ return 0;
+}
+
+/*
* Enable renumbering of PCI bus# ranges to reach all PCI busses (Cardbus)
*/
#ifdef __i386__
@@ -130,11 +145,11 @@ static int __devinit assign_all_busses(struct dmi_system_id *d)
}
#endif
+static struct dmi_system_id __devinitdata pciprobe_dmi_table[] = {
+#ifdef __i386__
/*
* Laptops which need pci=assign-busses to see Cardbus cards
*/
-static struct dmi_system_id __devinitdata pciprobe_dmi_table[] = {
-#ifdef __i386__
{
.callback = assign_all_busses,
.ident = "Samsung X20 Laptop",
@@ -144,6 +159,38 @@ static struct dmi_system_id __devinitdata pciprobe_dmi_table[] = {
},
},
#endif /* __i386__ */
+ {
+ .callback = set_bf_sort,
+ .ident = "Dell PowerEdge 1950",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge 1950"),
+ },
+ },
+ {
+ .callback = set_bf_sort,
+ .ident = "Dell PowerEdge 1955",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge 1955"),
+ },
+ },
+ {
+ .callback = set_bf_sort,
+ .ident = "Dell PowerEdge 2900",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge 2900"),
+ },
+ },
+ {
+ .callback = set_bf_sort,
+ .ident = "Dell PowerEdge 2950",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge 2950"),
+ },
+ },
{}
};
@@ -189,6 +236,8 @@ static int __init pcibios_init(void)
pcibios_resource_survey();
+ if (pci_bf_sort >= pci_force_bf)
+ pci_sort_breadthfirst();
#ifdef CONFIG_PCI_BIOS
if ((pci_probe & PCI_BIOS_SORT) && !(pci_probe & PCI_NO_SORT))
pcibios_sort();
@@ -203,6 +252,12 @@ char * __devinit pcibios_setup(char *str)
if (!strcmp(str, "off")) {
pci_probe = 0;
return NULL;
+ } else if (!strcmp(str, "bfsort")) {
+ pci_bf_sort = pci_force_bf;
+ return NULL;
+ } else if (!strcmp(str, "nobfsort")) {
+ pci_bf_sort = pci_force_nobf;
+ return NULL;
}
#ifdef CONFIG_PCI_BIOS
else if (!strcmp(str, "bios")) {
diff --git a/arch/i386/pci/fixup.c b/arch/i386/pci/fixup.c
index b60d7e8..908b410 100644
--- a/arch/i386/pci/fixup.c
+++ b/arch/i386/pci/fixup.c
@@ -343,51 +343,6 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_MCH_PC, pcie_ro
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_MCH_PC1, pcie_rootport_aspm_quirk );
/*
- * Fixup to mark boot BIOS video selected by BIOS before it changes
- *
- * From information provided by "Jon Smirl" <jonsmirl@gmail.com>
- *
- * The standard boot ROM sequence for an x86 machine uses the BIOS
- * to select an initial video card for boot display. This boot video
- * card will have it's BIOS copied to C0000 in system RAM.
- * IORESOURCE_ROM_SHADOW is used to associate the boot video
- * card with this copy. On laptops this copy has to be used since
- * the main ROM may be compressed or combined with another image.
- * See pci_map_rom() for use of this flag. IORESOURCE_ROM_SHADOW
- * is marked here since the boot video device will be the only enabled
- * video device at this point.
- */
-
-static void __devinit pci_fixup_video(struct pci_dev *pdev)
-{
- struct pci_dev *bridge;
- struct pci_bus *bus;
- u16 config;
-
- if ((pdev->class >> 8) != PCI_CLASS_DISPLAY_VGA)
- return;
-
- /* Is VGA routed to us? */
- bus = pdev->bus;
- while (bus) {
- bridge = bus->self;
- if (bridge) {
- pci_read_config_word(bridge, PCI_BRIDGE_CONTROL,
- &config);
- if (!(config & PCI_BRIDGE_CTL_VGA))
- return;
- }
- bus = bus->parent;
- }
- pci_read_config_word(pdev, PCI_COMMAND, &config);
- if (config & (PCI_COMMAND_IO | PCI_COMMAND_MEMORY)) {
- pdev->resource[PCI_ROM_RESOURCE].flags |= IORESOURCE_ROM_SHADOW;
- printk(KERN_DEBUG "Boot video device is %s\n", pci_name(pdev));
- }
-}
-DECLARE_PCI_FIXUP_HEADER(PCI_ANY_ID, PCI_ANY_ID, pci_fixup_video);
-
-/*
* Some Toshiba laptops need extra code to enable their TI TSB43AB22/A.
*
* We pretend to bring them out of full D3 state, and restore the proper
diff --git a/arch/i386/pci/pci.h b/arch/i386/pci/pci.h
index 1814f74..ad065ce 100644
--- a/arch/i386/pci/pci.h
+++ b/arch/i386/pci/pci.h
@@ -30,6 +30,13 @@
extern unsigned int pci_probe;
extern unsigned long pirq_table_addr;
+enum pci_bf_sort_state {
+ pci_bf_sort_default,
+ pci_force_nobf,
+ pci_force_bf,
+ pci_dmi_bf,
+};
+
/* pci-i386.c */
extern unsigned int pcibios_max_latency;
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