diff options
Diffstat (limited to 'arch/i386/pci')
| -rw-r--r-- | arch/i386/pci/common.c | 59 | ||||
| -rw-r--r-- | arch/i386/pci/direct.c | 2 | ||||
| -rw-r--r-- | arch/i386/pci/fixup.c | 45 | ||||
| -rw-r--r-- | arch/i386/pci/init.c | 4 | ||||
| -rw-r--r-- | arch/i386/pci/irq.c | 38 | ||||
| -rw-r--r-- | arch/i386/pci/pci.h | 7 |
6 files changed, 70 insertions, 85 deletions
diff --git a/arch/i386/pci/common.c b/arch/i386/pci/common.c index 68bce194e688..6d5ace845e44 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/direct.c b/arch/i386/pci/direct.c index 5acf0b4743cf..431c9a51b157 100644 --- a/arch/i386/pci/direct.c +++ b/arch/i386/pci/direct.c @@ -256,6 +256,8 @@ static int __init pci_check_type2(void) void __init pci_direct_init(int type) { + if (type == 0) + return; printk(KERN_INFO "PCI: Using configuration type %d\n", type); if (type == 1) raw_pci_ops = &pci_direct_conf1; diff --git a/arch/i386/pci/fixup.c b/arch/i386/pci/fixup.c index b60d7e8689ed..908b410f4c93 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/init.c b/arch/i386/pci/init.c index d028e1b05c36..b21b6da8ab1d 100644 --- a/arch/i386/pci/init.c +++ b/arch/i386/pci/init.c @@ -28,6 +28,10 @@ static __init int pci_access_init(void) #ifdef CONFIG_PCI_DIRECT pci_direct_init(type); #endif + if (!raw_pci_ops) + printk(KERN_ERR + "PCI: Fatal: No config space access function found\n"); + return 0; } arch_initcall(pci_access_init); diff --git a/arch/i386/pci/irq.c b/arch/i386/pci/irq.c index 4a8995c9c762..dbc4aae91959 100644 --- a/arch/i386/pci/irq.c +++ b/arch/i386/pci/irq.c @@ -981,10 +981,6 @@ static void __init pcibios_fixup_irqs(void) pci_name(bridge), 'A' + pin, irq); } if (irq >= 0) { - if (use_pci_vector() && - !platform_legacy_irq(irq)) - irq = IO_APIC_VECTOR(irq); - printk(KERN_INFO "PCI->APIC IRQ transform: %s[%c] -> IRQ %d\n", pci_name(dev), 'A' + pin, irq); dev->irq = irq; @@ -1145,10 +1141,6 @@ static int pirq_enable_irq(struct pci_dev *dev) } dev = temp_dev; if (irq >= 0) { -#ifdef CONFIG_PCI_MSI - if (!platform_legacy_irq(irq)) - irq = IO_APIC_VECTOR(irq); -#endif printk(KERN_INFO "PCI->APIC IRQ transform: %s[%c] -> IRQ %d\n", pci_name(dev), 'A' + pin, irq); dev->irq = irq; @@ -1169,33 +1161,3 @@ static int pirq_enable_irq(struct pci_dev *dev) } return 0; } - -int pci_vector_resources(int last, int nr_released) -{ - int count = nr_released; - - int next = last; - int offset = (last % 8); - - while (next < FIRST_SYSTEM_VECTOR) { - next += 8; -#ifdef CONFIG_X86_64 - if (next == IA32_SYSCALL_VECTOR) - continue; -#else - if (next == SYSCALL_VECTOR) - continue; -#endif - count++; - if (next >= FIRST_SYSTEM_VECTOR) { - if (offset%8) { - next = FIRST_DEVICE_VECTOR + offset; - offset++; - continue; - } - count--; - } - } - - return count; -} diff --git a/arch/i386/pci/pci.h b/arch/i386/pci/pci.h index 1814f74569c6..ad065cebd7b9 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; |
