--- drivers/pci/quirks.c
+++ drivers/pci/quirks.c
@@ -506,17 +506,6 @@ static void __devinit quirk_piix4_acpi(s
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82371AB_3, quirk_piix4_acpi);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82443MX_3, quirk_piix4_acpi);
-#define ICH_PMBASE 0x40
-#define ICH_ACPI_CNTL 0x44
-#define ICH4_ACPI_EN 0x10
-#define ICH6_ACPI_EN 0x80
-#define ICH4_GPIOBASE 0x58
-#define ICH4_GPIO_CNTL 0x5c
-#define ICH4_GPIO_EN 0x10
-#define ICH6_GPIOBASE 0x48
-#define ICH6_GPIO_CNTL 0x4c
-#define ICH6_GPIO_EN 0x10
-
/*
* ICH4, ICH4-M, ICH5, ICH5-M ACPI: Three IO regions pointed to by longwords at
* 0x40 (128 bytes of ACPI, GPIO & TCO registers)
@@ -525,33 +514,12 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_I
static void __devinit quirk_ich4_lpc_acpi(struct pci_dev *dev)
{
u32 region;
- u8 enable;
- /*
- * The check for PCIBIOS_MIN_IO is to ensure we won't create a conflict
- * with low legacy (and fixed) ports. We don't know the decoding
- * priority and can't tell whether the legacy device or the one created
- * here is really at that address. This happens on boards with broken
- * BIOSes.
- */
-
- pci_read_config_byte(dev, ICH_ACPI_CNTL, &enable);
- if (enable & ICH4_ACPI_EN) {
- pci_read_config_dword(dev, ICH_PMBASE, ®ion);
- region &= PCI_BASE_ADDRESS_IO_MASK;
- if (region >= PCIBIOS_MIN_IO)
- quirk_io_region(dev, region, 128, PCI_BRIDGE_RESOURCES,
- "ICH4 ACPI/GPIO/TCO");
- }
+ pci_read_config_dword(dev, 0x40, ®ion);
+ quirk_io_region(dev, region, 128, PCI_BRIDGE_RESOURCES, "ICH4 ACPI/GPIO/TCO");
- pci_read_config_byte(dev, ICH4_GPIO_CNTL, &enable);
- if (enable & ICH4_GPIO_EN) {
- pci_read_config_dword(dev, ICH4_GPIOBASE, ®ion);
- region &= PCI_BASE_ADDRESS_IO_MASK;
- if (region >= PCIBIOS_MIN_IO)
- quirk_io_region(dev, region, 64,
- PCI_BRIDGE_RESOURCES + 1, "ICH4 GPIO");
- }
+ pci_read_config_dword(dev, 0x58, ®ion);
+ quirk_io_region(dev, region, 64, PCI_BRIDGE_RESOURCES+1, "ICH4 GPIO");
}
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AA_0, quirk_ich4_lpc_acpi);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AB_0, quirk_ich4_lpc_acpi);
@@ -567,25 +535,12 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_I
static void __devinit ich6_lpc_acpi_gpio(struct pci_dev *dev)
{
u32 region;
- u8 enable;
- pci_read_config_byte(dev, ICH_ACPI_CNTL, &enable);
- if (enable & ICH6_ACPI_EN) {
- pci_read_config_dword(dev, ICH_PMBASE, ®ion);
- region &= PCI_BASE_ADDRESS_IO_MASK;
- if (region >= PCIBIOS_MIN_IO)
- quirk_io_region(dev, region, 128, PCI_BRIDGE_RESOURCES,
- "ICH6 ACPI/GPIO/TCO");
- }
+ pci_read_config_dword(dev, 0x40, ®ion);
+ quirk_io_region(dev, region, 128, PCI_BRIDGE_RESOURCES, "ICH6 ACPI/GPIO/TCO");
- pci_read_config_byte(dev, ICH6_GPIO_CNTL, &enable);
- if (enable & ICH4_GPIO_EN) {
- pci_read_config_dword(dev, ICH6_GPIOBASE, ®ion);
- region &= PCI_BASE_ADDRESS_IO_MASK;
- if (region >= PCIBIOS_MIN_IO)
- quirk_io_region(dev, region, 64,
- PCI_BRIDGE_RESOURCES + 1, "ICH6 GPIO");
- }
+ pci_read_config_dword(dev, 0x48, ®ion);
+ quirk_io_region(dev, region, 64, PCI_BRIDGE_RESOURCES+1, "ICH6 GPIO");
}
static void __devinit ich6_lpc_generic_decode(struct pci_dev *dev, unsigned reg, const char *name, int dynsize)
@@ -2540,6 +2495,58 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AT
#endif /* CONFIG_PCI_MSI */
+#ifdef CONFIG_PCI_IOV
+
+/*
+ * For Intel 82576 SR-IOV NIC, if BIOS doesn't allocate resources for the
+ * SR-IOV BARs, zero the Flash BAR and program the SR-IOV BARs to use the
+ * old Flash Memory Space.
+ */
+static void __devinit quirk_i82576_sriov(struct pci_dev *dev)
+{
+ int pos, flags;
+ u32 bar, start, size;
+
+ if (PAGE_SIZE > 0x10000)
+ return;
+
+ flags = pci_resource_flags(dev, 0);
+ if ((flags & PCI_BASE_ADDRESS_SPACE) !=
+ PCI_BASE_ADDRESS_SPACE_MEMORY ||
+ (flags & PCI_BASE_ADDRESS_MEM_TYPE_MASK) !=
+ PCI_BASE_ADDRESS_MEM_TYPE_32)
+ return;
+
+ pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_SRIOV);
+ if (!pos)
+ return;
+
+ pci_read_config_dword(dev, pos + PCI_SRIOV_BAR, &bar);
+ if (bar & PCI_BASE_ADDRESS_MEM_MASK)
+ return;
+
+ start = pci_resource_start(dev, 1);
+ size = pci_resource_len(dev, 1);
+ if (!start || size != 0x400000 || start & (size - 1))
+ return;
+
+ pci_resource_flags(dev, 1) = 0;
+ pci_write_config_dword(dev, PCI_BASE_ADDRESS_1, 0);
+ pci_write_config_dword(dev, pos + PCI_SRIOV_BAR, start);
+ pci_write_config_dword(dev, pos + PCI_SRIOV_BAR + 12, start + size / 2);
+
+ dev_info(&dev->dev, "use Flash Memory Space for SR-IOV BARs\n");
+}
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x10c9, quirk_i82576_sriov);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x10e6, quirk_i82576_sriov);
+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 */
+
static void pci_do_fixups(struct pci_dev *dev, struct pci_fixup *f,
struct pci_fixup *end)
{
projects / ziggy471-frankenstein-kernel.git / blobdiff