summaryrefslogtreecommitdiffstats
path: root/arch/i386/kernel/pci-pc.c
diff options
context:
space:
mode:
authorRalf Baechle <ralf@linux-mips.org>2000-05-12 21:05:59 +0000
committerRalf Baechle <ralf@linux-mips.org>2000-05-12 21:05:59 +0000
commitba2dacab305c598cd4c34a604f8e276bf5bab5ff (patch)
tree78670a0139bf4d5ace617b29b7eba82bbc74d602 /arch/i386/kernel/pci-pc.c
parentb77bf69998121e689c5e86cc5630d39a0a9ee6ca (diff)
Merge with Linux 2.3.99-pre7 and various other bits.
Diffstat (limited to 'arch/i386/kernel/pci-pc.c')
-rw-r--r--arch/i386/kernel/pci-pc.c18
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