diff options
author | Haavard Skinnemoen <haavard.skinnemoen@atmel.com> | 2008-10-23 15:24:10 +0200 |
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committer | Haavard Skinnemoen <haavard.skinnemoen@atmel.com> | 2008-10-23 15:24:10 +0200 |
commit | d9214556b11a8d18ff588e60824c12041d30f791 (patch) | |
tree | 04ab59d13961675811a55c96fb12b2b167b72318 /arch/x86/pci | |
parent | 72a1419a9d4c859a3345e4b83f8ef7d599d3818c (diff) | |
parent | e82c6106b04b85879d802bbbeaed30d9b10a92e2 (diff) |
Merge branches 'boards' and 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6
Diffstat (limited to 'arch/x86/pci')
-rw-r--r-- | arch/x86/pci/acpi.c | 5 | ||||
-rw-r--r-- | arch/x86/pci/amd_bus.c | 2 | ||||
-rw-r--r-- | arch/x86/pci/fixup.c | 28 | ||||
-rw-r--r-- | arch/x86/pci/i386.c | 3 | ||||
-rw-r--r-- | arch/x86/pci/irq.c | 86 | ||||
-rw-r--r-- | arch/x86/pci/mmconfig-shared.c | 12 |
6 files changed, 88 insertions, 48 deletions
diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c index 19af06927fb..1d88d2b3977 100644 --- a/arch/x86/pci/acpi.c +++ b/arch/x86/pci/acpi.c @@ -250,10 +250,5 @@ int __init pci_acpi_init(void) acpi_pci_irq_enable(dev); } -#ifdef CONFIG_X86_IO_APIC - if (acpi_ioapic) - print_IO_APIC(); -#endif - return 0; } diff --git a/arch/x86/pci/amd_bus.c b/arch/x86/pci/amd_bus.c index 6a0fca78c36..22e057665e5 100644 --- a/arch/x86/pci/amd_bus.c +++ b/arch/x86/pci/amd_bus.c @@ -580,7 +580,7 @@ static int __cpuinit amd_cpu_notify(struct notifier_block *self, unsigned long action, void *hcpu) { int cpu = (long)hcpu; - switch(action) { + switch (action) { case CPU_ONLINE: case CPU_ONLINE_FROZEN: smp_call_function_single(cpu, enable_pci_io_ecs, NULL, 0); diff --git a/arch/x86/pci/fixup.c b/arch/x86/pci/fixup.c index 4bdaa590375..3c27a809393 100644 --- a/arch/x86/pci/fixup.c +++ b/arch/x86/pci/fixup.c @@ -511,3 +511,31 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AMD, 0x1201, fam10h_pci_cfg_space_size); DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AMD, 0x1202, fam10h_pci_cfg_space_size); DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AMD, 0x1203, fam10h_pci_cfg_space_size); DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AMD, 0x1204, fam10h_pci_cfg_space_size); + +/* + * SB600: Disable BAR1 on device 14.0 to avoid HPET resources from + * confusing the PCI engine: + */ +static void sb600_disable_hpet_bar(struct pci_dev *dev) +{ + u8 val; + + /* + * The SB600 and SB700 both share the same device + * ID, but the PM register 0x55 does something different + * for the SB700, so make sure we are dealing with the + * SB600 before touching the bit: + */ + + pci_read_config_byte(dev, 0x08, &val); + + if (val < 0x2F) { + outb(0x55, 0xCD6); + val = inb(0xCD7); + + /* Set bit 7 in PM register 0x55 */ + outb(0x55, 0xCD6); + outb(val | 0x80, 0xCD7); + } +} +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_ATI, 0x4385, sb600_disable_hpet_bar); diff --git a/arch/x86/pci/i386.c b/arch/x86/pci/i386.c index 8791fc55e71..844df0cbbd3 100644 --- a/arch/x86/pci/i386.c +++ b/arch/x86/pci/i386.c @@ -33,6 +33,7 @@ #include <linux/bootmem.h> #include <asm/pat.h> +#include <asm/e820.h> #include "pci.h" @@ -227,6 +228,8 @@ void __init pcibios_resource_survey(void) pcibios_allocate_bus_resources(&pci_root_buses); pcibios_allocate_resources(0); pcibios_allocate_resources(1); + + e820_reserve_resources_late(); } /** diff --git a/arch/x86/pci/irq.c b/arch/x86/pci/irq.c index 8e077185e18..bf69dbe08bf 100644 --- a/arch/x86/pci/irq.c +++ b/arch/x86/pci/irq.c @@ -493,7 +493,7 @@ static int pirq_amd756_get(struct pci_dev *router, struct pci_dev *dev, int pirq if (pirq <= 4) irq = read_config_nybble(router, 0x56, pirq - 1); dev_info(&dev->dev, - "AMD756: dev [%04x/%04x], router PIRQ %d get IRQ %d\n", + "AMD756: dev [%04x:%04x], router PIRQ %d get IRQ %d\n", dev->vendor, dev->device, pirq, irq); return irq; } @@ -501,7 +501,7 @@ static int pirq_amd756_get(struct pci_dev *router, struct pci_dev *dev, int pirq static int pirq_amd756_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq) { dev_info(&dev->dev, - "AMD756: dev [%04x/%04x], router PIRQ %d set IRQ %d\n", + "AMD756: dev [%04x:%04x], router PIRQ %d set IRQ %d\n", dev->vendor, dev->device, pirq, irq); if (pirq <= 4) write_config_nybble(router, 0x56, pirq - 1, irq); @@ -590,13 +590,20 @@ static __init int intel_router_probe(struct irq_router *r, struct pci_dev *route case PCI_DEVICE_ID_INTEL_ICH10_1: case PCI_DEVICE_ID_INTEL_ICH10_2: case PCI_DEVICE_ID_INTEL_ICH10_3: - case PCI_DEVICE_ID_INTEL_PCH_0: - case PCI_DEVICE_ID_INTEL_PCH_1: r->name = "PIIX/ICH"; r->get = pirq_piix_get; r->set = pirq_piix_set; return 1; } + + if ((device >= PCI_DEVICE_ID_INTEL_PCH_LPC_MIN) && + (device <= PCI_DEVICE_ID_INTEL_PCH_LPC_MAX)) { + r->name = "PIIX/ICH"; + r->get = pirq_piix_get; + r->set = pirq_piix_set; + return 1; + } + return 0; } @@ -823,7 +830,7 @@ static void __init pirq_find_router(struct irq_router *r) r->get = NULL; r->set = NULL; - DBG(KERN_DEBUG "PCI: Attempting to find IRQ router for %04x:%04x\n", + DBG(KERN_DEBUG "PCI: Attempting to find IRQ router for [%04x:%04x]\n", rt->rtr_vendor, rt->rtr_device); pirq_router_dev = pci_get_bus_and_slot(rt->rtr_bus, rt->rtr_devfn); @@ -843,7 +850,7 @@ static void __init pirq_find_router(struct irq_router *r) h->probe(r, pirq_router_dev, pirq_router_dev->device)) break; } - dev_info(&pirq_router_dev->dev, "%s IRQ router [%04x/%04x]\n", + dev_info(&pirq_router_dev->dev, "%s IRQ router [%04x:%04x]\n", pirq_router.name, pirq_router_dev->vendor, pirq_router_dev->device); @@ -1043,35 +1050,44 @@ static void __init pcibios_fixup_irqs(void) if (io_apic_assign_pci_irqs) { int irq; - if (pin) { - /* - * interrupt pins are numbered starting - * from 1 - */ - pin--; - irq = IO_APIC_get_PCI_irq_vector(dev->bus->number, - PCI_SLOT(dev->devfn), pin); - /* - * Busses behind bridges are typically not listed in the MP-table. - * In this case we have to look up the IRQ based on the parent bus, - * parent slot, and pin number. The SMP code detects such bridged - * busses itself so we should get into this branch reliably. - */ - if (irq < 0 && dev->bus->parent) { /* go back to the bridge */ - struct pci_dev *bridge = dev->bus->self; - - pin = (pin + PCI_SLOT(dev->devfn)) % 4; - irq = IO_APIC_get_PCI_irq_vector(bridge->bus->number, - PCI_SLOT(bridge->devfn), pin); - if (irq >= 0) - dev_warn(&dev->dev, "using bridge %s INT %c to get IRQ %d\n", - pci_name(bridge), - 'A' + pin, irq); - } - if (irq >= 0) { - dev_info(&dev->dev, "PCI->APIC IRQ transform: INT %c -> IRQ %d\n", 'A' + pin, irq); - dev->irq = irq; - } + if (!pin) + continue; + + /* + * interrupt pins are numbered starting from 1 + */ + pin--; + irq = IO_APIC_get_PCI_irq_vector(dev->bus->number, + PCI_SLOT(dev->devfn), pin); + /* + * Busses behind bridges are typically not listed in the + * MP-table. In this case we have to look up the IRQ + * based on the parent bus, parent slot, and pin number. + * The SMP code detects such bridged busses itself so we + * should get into this branch reliably. + */ + if (irq < 0 && dev->bus->parent) { + /* go back to the bridge */ + struct pci_dev *bridge = dev->bus->self; + int bus; + + pin = (pin + PCI_SLOT(dev->devfn)) % 4; + bus = bridge->bus->number; + irq = IO_APIC_get_PCI_irq_vector(bus, + PCI_SLOT(bridge->devfn), pin); + if (irq >= 0) + dev_warn(&dev->dev, + "using bridge %s INT %c to " + "get IRQ %d\n", + pci_name(bridge), + 'A' + pin, irq); + } + if (irq >= 0) { + dev_info(&dev->dev, + "PCI->APIC IRQ transform: INT %c " + "-> IRQ %d\n", + 'A' + pin, irq); + dev->irq = irq; } } #endif diff --git a/arch/x86/pci/mmconfig-shared.c b/arch/x86/pci/mmconfig-shared.c index d9635764ce3..654a2234f8f 100644 --- a/arch/x86/pci/mmconfig-shared.c +++ b/arch/x86/pci/mmconfig-shared.c @@ -209,7 +209,7 @@ static int __init pci_mmcfg_check_hostbridge(void) return name != NULL; } -static void __init pci_mmcfg_insert_resources(unsigned long resource_flags) +static void __init pci_mmcfg_insert_resources(void) { #define PCI_MMCFG_RESOURCE_NAME_LEN 19 int i; @@ -233,7 +233,7 @@ static void __init pci_mmcfg_insert_resources(unsigned long resource_flags) cfg->pci_segment); res->start = cfg->address; res->end = res->start + (num_buses << 20) - 1; - res->flags = IORESOURCE_MEM | resource_flags; + res->flags = IORESOURCE_MEM | IORESOURCE_BUSY; insert_resource(&iomem_resource, res); names += PCI_MMCFG_RESOURCE_NAME_LEN; } @@ -434,11 +434,9 @@ static void __init __pci_mmcfg_init(int early) (pci_mmcfg_config[0].address == 0)) return; - if (pci_mmcfg_arch_init()) { - if (known_bridge) - pci_mmcfg_insert_resources(IORESOURCE_BUSY); + if (pci_mmcfg_arch_init()) pci_probe = (pci_probe & ~PCI_PROBE_MASK) | PCI_PROBE_MMCONF; - } else { + else { /* * Signal not to attempt to insert mmcfg resources because * the architecture mmcfg setup could not initialize. @@ -475,7 +473,7 @@ static int __init pci_mmcfg_late_insert_resources(void) * marked so it won't cause request errors when __request_region is * called. */ - pci_mmcfg_insert_resources(0); + pci_mmcfg_insert_resources(); return 0; } |