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path: root/drivers/pci/quirks.c
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Diffstat (limited to 'drivers/pci/quirks.c')
-rw-r--r--drivers/pci/quirks.c112
1 files changed, 89 insertions, 23 deletions
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 06b96562396..7cfa7c38d31 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -31,8 +31,6 @@ int isa_dma_bridge_buggy;
EXPORT_SYMBOL(isa_dma_bridge_buggy);
int pci_pci_problems;
EXPORT_SYMBOL(pci_pci_problems);
-int pcie_mch_quirk;
-EXPORT_SYMBOL(pcie_mch_quirk);
#ifdef CONFIG_PCI_QUIRKS
/*
@@ -359,7 +357,7 @@ static void __devinit quirk_io_region(struct pci_dev *dev, unsigned region,
pcibios_bus_to_resource(dev, res, &bus_region);
pci_claim_resource(dev, nr);
- dev_info(&dev->dev, "quirk: region %04x-%04x claimed by %s\n", region, region + size - 1, name);
+ dev_info(&dev->dev, "quirk: %pR claimed by %s\n", res, name);
}
}
@@ -672,6 +670,25 @@ static void __devinit quirk_vt8235_acpi(struct pci_dev *dev)
}
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8235, quirk_vt8235_acpi);
+/*
+ * TI XIO2000a PCIe-PCI Bridge erroneously reports it supports fast back-to-back:
+ * Disable fast back-to-back on the secondary bus segment
+ */
+static void __devinit quirk_xio2000a(struct pci_dev *dev)
+{
+ struct pci_dev *pdev;
+ u16 command;
+
+ dev_warn(&dev->dev, "TI XIO2000a quirk detected; "
+ "secondary bus fast back-to-back transfers disabled\n");
+ list_for_each_entry(pdev, &dev->subordinate->devices, bus_list) {
+ pci_read_config_word(pdev, PCI_COMMAND, &command);
+ if (command & PCI_COMMAND_FAST_BACK)
+ pci_write_config_word(pdev, PCI_COMMAND, command & ~PCI_COMMAND_FAST_BACK);
+ }
+}
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_XIO2000A,
+ quirk_xio2000a);
#ifdef CONFIG_X86_IO_APIC
@@ -992,7 +1009,7 @@ DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82454NX,
static void __devinit quirk_amd_ide_mode(struct pci_dev *pdev)
{
- /* set sb600/sb700/sb800 sata to ahci mode */
+ /* set SBX00/Hudson-2 SATA in IDE mode to AHCI mode */
u8 tmp;
pci_read_config_byte(pdev, PCI_CLASS_DEVICE, &tmp);
@@ -1011,6 +1028,8 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP600_SATA, quirk
DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP600_SATA, quirk_amd_ide_mode);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP700_SATA, quirk_amd_ide_mode);
DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP700_SATA, quirk_amd_ide_mode);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_HUDSON2_SATA_IDE, quirk_amd_ide_mode);
+DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_HUDSON2_SATA_IDE, quirk_amd_ide_mode);
/*
* Serverworks CSB5 IDE does not fully support native mode
@@ -1201,6 +1220,7 @@ static void __init asus_hides_smbus_hostbridge(struct pci_dev *dev)
switch(dev->subsystem_device) {
case 0x00b8: /* Compaq Evo D510 CMT */
case 0x00b9: /* Compaq Evo D510 SFF */
+ case 0x00ba: /* Compaq Evo D510 USDT */
/* Motherboard doesn't have Host bridge
* subvendor/subdevice IDs and on-board VGA
* controller is disabled if an AGP card is
@@ -1499,7 +1519,8 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_EESSC, quirk_a
static void __devinit quirk_pcie_mch(struct pci_dev *pdev)
{
- pcie_mch_quirk = 1;
+ pci_msi_off(pdev);
+ pdev->no_msi = 1;
}
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_E7520_MCH, quirk_pcie_mch);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_E7320_MCH, quirk_pcie_mch);
@@ -1567,10 +1588,8 @@ static void quirk_reroute_to_boot_interrupts_intel(struct pci_dev *dev)
return;
dev->irq_reroute_variant = INTEL_IRQ_REROUTE_VARIANT;
-
- printk(KERN_INFO "PCI quirk: reroute interrupts for 0x%04x:0x%04x\n",
- dev->vendor, dev->device);
- return;
+ dev_info(&dev->dev, "rerouting interrupts for [%04x:%04x]\n",
+ dev->vendor, dev->device);
}
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_80333_0, quirk_reroute_to_boot_interrupts_intel);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_80333_1, quirk_reroute_to_boot_interrupts_intel);
@@ -1612,8 +1631,8 @@ static void quirk_disable_intel_boot_interrupt(struct pci_dev *dev)
pci_config_word |= INTEL_6300_DISABLE_BOOT_IRQ;
pci_write_config_word(dev, INTEL_6300_IOAPIC_ABAR, pci_config_word);
- printk(KERN_INFO "disabled boot interrupt on device 0x%04x:0x%04x\n",
- dev->vendor, dev->device);
+ dev_info(&dev->dev, "disabled boot interrupts on device [%04x:%04x]\n",
+ dev->vendor, dev->device);
}
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ESB_10, quirk_disable_intel_boot_interrupt);
DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ESB_10, quirk_disable_intel_boot_interrupt);
@@ -1645,8 +1664,8 @@ static void quirk_disable_broadcom_boot_interrupt(struct pci_dev *dev)
pci_write_config_dword(dev, BC_HT1000_FEATURE_REG, pci_config_dword);
- printk(KERN_INFO "disabled boot interrupts on PCI device"
- "0x%04x:0x%04x\n", dev->vendor, dev->device);
+ dev_info(&dev->dev, "disabled boot interrupts on device [%04x:%04x]\n",
+ dev->vendor, dev->device);
}
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_HT1000SB, quirk_disable_broadcom_boot_interrupt);
DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_HT1000SB, quirk_disable_broadcom_boot_interrupt);
@@ -1661,6 +1680,7 @@ DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_
*/
#define AMD_813X_MISC 0x40
#define AMD_813X_NOIOAMODE (1<<0)
+#define AMD_813X_REV_B1 0x12
#define AMD_813X_REV_B2 0x13
static void quirk_disable_amd_813x_boot_interrupt(struct pci_dev *dev)
@@ -1669,18 +1689,21 @@ static void quirk_disable_amd_813x_boot_interrupt(struct pci_dev *dev)
if (noioapicquirk)
return;
- if (dev->revision == AMD_813X_REV_B2)
+ if ((dev->revision == AMD_813X_REV_B1) ||
+ (dev->revision == AMD_813X_REV_B2))
return;
pci_read_config_dword(dev, AMD_813X_MISC, &pci_config_dword);
pci_config_dword &= ~AMD_813X_NOIOAMODE;
pci_write_config_dword(dev, AMD_813X_MISC, pci_config_dword);
- printk(KERN_INFO "disabled boot interrupts on PCI device "
- "0x%04x:0x%04x\n", dev->vendor, dev->device);
+ dev_info(&dev->dev, "disabled boot interrupts on device [%04x:%04x]\n",
+ dev->vendor, dev->device);
}
-DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_8131_BRIDGE, quirk_disable_amd_813x_boot_interrupt);
-DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_8132_BRIDGE, quirk_disable_amd_813x_boot_interrupt);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_8131_BRIDGE, quirk_disable_amd_813x_boot_interrupt);
+DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_8131_BRIDGE, quirk_disable_amd_813x_boot_interrupt);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_8132_BRIDGE, quirk_disable_amd_813x_boot_interrupt);
+DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_8132_BRIDGE, quirk_disable_amd_813x_boot_interrupt);
#define AMD_8111_PCI_IRQ_ROUTING 0x56
@@ -1693,14 +1716,13 @@ static void quirk_disable_amd_8111_boot_interrupt(struct pci_dev *dev)
pci_read_config_word(dev, AMD_8111_PCI_IRQ_ROUTING, &pci_config_word);
if (!pci_config_word) {
- printk(KERN_INFO "boot interrupts on PCI device 0x%04x:0x%04x "
- "already disabled\n",
- dev->vendor, dev->device);
+ dev_info(&dev->dev, "boot interrupts on device [%04x:%04x] "
+ "already disabled\n", dev->vendor, dev->device);
return;
}
pci_write_config_word(dev, AMD_8111_PCI_IRQ_ROUTING, 0);
- printk(KERN_INFO "disabled boot interrupts on PCI device "
- "0x%04x:0x%04x\n", dev->vendor, dev->device);
+ dev_info(&dev->dev, "disabled boot interrupts on device [%04x:%04x]\n",
+ dev->vendor, dev->device);
}
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_8111_SMBUS, quirk_disable_amd_8111_boot_interrupt);
DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_8111_SMBUS, quirk_disable_amd_8111_boot_interrupt);
@@ -2382,8 +2404,10 @@ static void __devinit nv_msi_ht_cap_quirk_leaf(struct pci_dev *dev)
}
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID, nv_msi_ht_cap_quirk_leaf);
+DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID, nv_msi_ht_cap_quirk_leaf);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AL, PCI_ANY_ID, nv_msi_ht_cap_quirk_all);
+DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_AL, PCI_ANY_ID, nv_msi_ht_cap_quirk_all);
static void __devinit quirk_msi_intx_disable_bug(struct pci_dev *dev)
{
@@ -2492,6 +2516,7 @@ 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);
#endif /* CONFIG_PCI_IOV */
@@ -2570,6 +2595,47 @@ void pci_fixup_device(enum pci_fixup_pass pass, struct pci_dev *dev)
}
pci_do_fixups(dev, start, end);
}
+
+static int __init pci_apply_final_quirks(void)
+{
+ struct pci_dev *dev = NULL;
+ u8 cls = 0;
+ u8 tmp;
+
+ if (pci_cache_line_size)
+ printk(KERN_DEBUG "PCI: CLS %u bytes\n",
+ pci_cache_line_size << 2);
+
+ while ((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) {
+ pci_fixup_device(pci_fixup_final, dev);
+ /*
+ * If arch hasn't set it explicitly yet, use the CLS
+ * value shared by all PCI devices. If there's a
+ * mismatch, fall back to the default value.
+ */
+ if (!pci_cache_line_size) {
+ pci_read_config_byte(dev, PCI_CACHE_LINE_SIZE, &tmp);
+ if (!cls)
+ cls = tmp;
+ if (!tmp || cls == tmp)
+ continue;
+
+ printk(KERN_DEBUG "PCI: CLS mismatch (%u != %u), "
+ "using %u bytes\n", cls << 2, tmp << 2,
+ pci_dfl_cache_line_size << 2);
+ pci_cache_line_size = pci_dfl_cache_line_size;
+ }
+ }
+ if (!pci_cache_line_size) {
+ printk(KERN_DEBUG "PCI: CLS %u bytes, default %u\n",
+ cls << 2, pci_dfl_cache_line_size << 2);
+ pci_cache_line_size = cls;
+ }
+
+ return 0;
+}
+
+fs_initcall_sync(pci_apply_final_quirks);
#else
void pci_fixup_device(enum pci_fixup_pass pass, struct pci_dev *dev) {}
#endif
generated by cgit v1.2.3 (git 2.39.1) at 2025-11-28 09:20:51 +0000