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path: root/drivers/pci
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Diffstat (limited to 'drivers/pci')
-rw-r--r--drivers/pci/quirks.c105
1 files changed, 90 insertions, 15 deletions
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index e915a17b36c..d3a9e0f3868 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -449,7 +449,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801DB_12,
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801EB_0, quirk_ich4_lpc_acpi);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ESB_1, quirk_ich4_lpc_acpi);
-static void __devinit quirk_ich6_lpc_acpi(struct pci_dev *dev)
+static void __devinit ich6_lpc_acpi_gpio(struct pci_dev *dev)
{
u32 region;
@@ -459,20 +459,95 @@ static void __devinit quirk_ich6_lpc_acpi(struct pci_dev *dev)
pci_read_config_dword(dev, 0x48, &region);
quirk_io_region(dev, region, 64, PCI_BRIDGE_RESOURCES+1, "ICH6 GPIO");
}
-DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH6_0, quirk_ich6_lpc_acpi);
-DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH6_1, quirk_ich6_lpc_acpi);
-DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH7_0, quirk_ich6_lpc_acpi);
-DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH7_1, quirk_ich6_lpc_acpi);
-DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH7_31, quirk_ich6_lpc_acpi);
-DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH8_0, quirk_ich6_lpc_acpi);
-DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH8_2, quirk_ich6_lpc_acpi);
-DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH8_3, quirk_ich6_lpc_acpi);
-DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH8_1, quirk_ich6_lpc_acpi);
-DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH8_4, quirk_ich6_lpc_acpi);
-DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH9_2, quirk_ich6_lpc_acpi);
-DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH9_4, quirk_ich6_lpc_acpi);
-DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH9_7, quirk_ich6_lpc_acpi);
-DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH9_8, quirk_ich6_lpc_acpi);
+
+static void __devinit ich6_lpc_generic_decode(struct pci_dev *dev, unsigned reg, const char *name, int dynsize)
+{
+ u32 val;
+ u32 size, base;
+
+ pci_read_config_dword(dev, reg, &val);
+
+ /* Enabled? */
+ if (!(val & 1))
+ return;
+ base = val & 0xfffc;
+ if (dynsize) {
+ /*
+ * This is not correct. It is 16, 32 or 64 bytes depending on
+ * register D31:F0:ADh bits 5:4.
+ *
+ * But this gets us at least _part_ of it.
+ */
+ size = 16;
+ } else {
+ size = 128;
+ }
+ base &= ~(size-1);
+
+ /* Just print it out for now. We should reserve it after more debugging */
+ dev_info(&dev->dev, "%s PIO at %04x-%04x\n", name, base, base+size-1);
+}
+
+static void __devinit quirk_ich6_lpc(struct pci_dev *dev)
+{
+ /* Shared ACPI/GPIO decode with all ICH6+ */
+ ich6_lpc_acpi_gpio(dev);
+
+ /* ICH6-specific generic IO decode */
+ ich6_lpc_generic_decode(dev, 0x84, "LPC Generic IO decode 1", 0);
+ ich6_lpc_generic_decode(dev, 0x88, "LPC Generic IO decode 2", 1);
+}
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH6_0, quirk_ich6_lpc);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH6_1, quirk_ich6_lpc);
+
+static void __devinit ich7_lpc_generic_decode(struct pci_dev *dev, unsigned reg, const char *name)
+{
+ u32 val;
+ u32 mask, base;
+
+ pci_read_config_dword(dev, reg, &val);
+
+ /* Enabled? */
+ if (!(val & 1))
+ return;
+
+ /*
+ * IO base in bits 15:2, mask in bits 23:18, both
+ * are dword-based
+ */
+ base = val & 0xfffc;
+ mask = (val >> 16) & 0xfc;
+ mask |= 3;
+
+ /* Just print it out for now. We should reserve it after more debugging */
+ dev_info(&dev->dev, "%s PIO at %04x (mask %04x)\n", name, base, mask);
+}
+
+/* ICH7-10 has the same common LPC generic IO decode registers */
+static void __devinit quirk_ich7_lpc(struct pci_dev *dev)
+{
+ /* We share the common ACPI/DPIO decode with ICH6 */
+ ich6_lpc_acpi_gpio(dev);
+
+ /* And have 4 ICH7+ generic decodes */
+ ich7_lpc_generic_decode(dev, 0x84, "ICH7 LPC Generic IO decode 1");
+ ich7_lpc_generic_decode(dev, 0x88, "ICH7 LPC Generic IO decode 2");
+ ich7_lpc_generic_decode(dev, 0x8c, "ICH7 LPC Generic IO decode 3");
+ ich7_lpc_generic_decode(dev, 0x90, "ICH7 LPC Generic IO decode 4");
+}
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH7_0, quirk_ich7_lpc);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH7_1, quirk_ich7_lpc);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH7_31, quirk_ich7_lpc);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH8_0, quirk_ich7_lpc);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH8_2, quirk_ich7_lpc);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH8_3, quirk_ich7_lpc);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH8_1, quirk_ich7_lpc);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH8_4, quirk_ich7_lpc);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH9_2, quirk_ich7_lpc);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH9_4, quirk_ich7_lpc);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH9_7, quirk_ich7_lpc);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH9_8, quirk_ich7_lpc);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH10_1, quirk_ich7_lpc);
/*
* VIA ACPI: One IO region pointed to by longword at