summaryrefslogtreecommitdiff
path: root/drivers/pci/quirks.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/pci/quirks.c')
-rw-r--r--drivers/pci/quirks.c32
1 files changed, 20 insertions, 12 deletions
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index c74694345b6e..039e87b71442 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -25,14 +25,9 @@
#include <linux/dmi.h>
#include <linux/pci-aspm.h>
#include <linux/ioport.h>
+#include <asm/dma.h> /* isa_dma_bridge_buggy */
#include "pci.h"
-int isa_dma_bridge_buggy;
-EXPORT_SYMBOL(isa_dma_bridge_buggy);
-int pci_pci_problems;
-EXPORT_SYMBOL(pci_pci_problems);
-
-#ifdef CONFIG_PCI_QUIRKS
/*
* This quirk function disables memory decoding and releases memory resources
* of the device specified by kernel's boot parameter 'pci=resource_alignment='.
@@ -338,6 +333,23 @@ static void __devinit quirk_s3_64M(struct pci_dev *dev)
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_S3, PCI_DEVICE_ID_S3_868, quirk_s3_64M);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_S3, PCI_DEVICE_ID_S3_968, quirk_s3_64M);
+/*
+ * Some CS5536 BIOSes (for example, the Soekris NET5501 board w/ comBIOS
+ * ver. 1.33 20070103) don't set the correct ISA PCI region header info.
+ * BAR0 should be 8 bytes; instead, it may be set to something like 8k
+ * (which conflicts w/ BAR1's memory range).
+ */
+static void __devinit quirk_cs5536_vsa(struct pci_dev *dev)
+{
+ if (pci_resource_len(dev, 0) != 8) {
+ struct resource *res = &dev->resource[0];
+ res->end = res->start + 8 - 1;
+ dev_info(&dev->dev, "CS5536 ISA bridge bug detected "
+ "(incorrect header); workaround applied.\n");
+ }
+}
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CS5536_ISA, quirk_cs5536_vsa);
+
static void __devinit quirk_io_region(struct pci_dev *dev, unsigned region,
unsigned size, int nr, const char *name)
{
@@ -2517,6 +2529,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x10e7, quirk_i82576_sriov);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x10e8, quirk_i82576_sriov);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x150a, quirk_i82576_sriov);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x150d, quirk_i82576_sriov);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x1518, quirk_i82576_sriov);
#endif /* CONFIG_PCI_IOV */
@@ -2595,6 +2608,7 @@ void pci_fixup_device(enum pci_fixup_pass pass, struct pci_dev *dev)
}
pci_do_fixups(dev, start, end);
}
+EXPORT_SYMBOL(pci_fixup_device);
static int __init pci_apply_final_quirks(void)
{
@@ -2706,9 +2720,3 @@ int pci_dev_specific_reset(struct pci_dev *dev, int probe)
return -ENOTTY;
}
-
-#else
-void pci_fixup_device(enum pci_fixup_pass pass, struct pci_dev *dev) {}
-int pci_dev_specific_reset(struct pci_dev *dev, int probe) { return -ENOTTY; }
-#endif
-EXPORT_SYMBOL(pci_fixup_device);