diff options
Diffstat (limited to 'arch/i386/kernel/pci-pc.c')
| -rw-r--r-- | arch/i386/kernel/pci-pc.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/arch/i386/kernel/pci-pc.c b/arch/i386/kernel/pci-pc.c index 6dbac9abd..d1f41ff0d 100644 --- a/arch/i386/kernel/pci-pc.c +++ b/arch/i386/kernel/pci-pc.c @@ -10,6 +10,7 @@ #include <linux/sched.h> #include <linux/pci.h> #include <linux/init.h> +#include <linux/ioport.h> #include <asm/segment.h> #include <asm/io.h> @@ -208,6 +209,7 @@ static struct pci_ops * __init pci_check_direct(void) outl (tmp, 0xCF8); __restore_flags(flags); printk("PCI: Using configuration type 1\n"); + request_region(0xCF8, 8, "PCI conf1"); return &pci_direct_conf1; } outl (tmp, 0xCF8); @@ -224,6 +226,7 @@ static struct pci_ops * __init pci_check_direct(void) pci_sanity_check(&pci_direct_conf2)) { __restore_flags(flags); printk("PCI: Using configuration type 2\n"); + request_region(0xCF8, 4, "PCI conf2"); return &pci_direct_conf2; } } @@ -912,6 +915,16 @@ static void __init pci_fixup_ide_trash(struct pci_dev *d) d->resource[i].start = d->resource[i].end = d->resource[i].flags = 0; } +static void __init pci_fixup_latency(struct pci_dev *d) +{ + /* + * SiS 5597 and 5598 chipsets require latency timer set to + * at most 32 to avoid lockups. + */ + DBG("PCI: Setting max latency to 32\n"); + pcibios_max_latency = 32; +} + struct pci_fixup pcibios_fixups[] = { { PCI_FIXUP_HEADER, PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82451NX, pci_fixup_i450nx }, { PCI_FIXUP_HEADER, PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82454GX, pci_fixup_i450gx }, @@ -921,6 +934,8 @@ struct pci_fixup pcibios_fixups[] = { { PCI_FIXUP_HEADER, PCI_VENDOR_ID_UMC, PCI_DEVICE_ID_UMC_UM8886BF, pci_fixup_umc_ide }, { PCI_FIXUP_HEADER, PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_5513, pci_fixup_ide_trash }, { PCI_FIXUP_HEADER, PCI_ANY_ID, PCI_ANY_ID, pci_fixup_ide_bases }, + { PCI_FIXUP_HEADER, PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_5597, pci_fixup_latency }, + { PCI_FIXUP_HEADER, PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_5598, pci_fixup_latency }, { 0 } }; @@ -969,8 +984,9 @@ void __init pcibios_init(void) printk("PCI: Probing PCI hardware\n"); pci_root_bus = pci_scan_bus(0, pci_root_ops, NULL); - pcibios_fixup_irqs(); + pcibios_irq_init(); pcibios_fixup_peer_bridges(); + pcibios_fixup_irqs(); pcibios_resource_survey(); #ifdef CONFIG_PCI_BIOS |