summaryrefslogtreecommitdiffstats
path: root/drivers/pci/quirks.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/pci/quirks.c')
-rw-r--r--drivers/pci/quirks.c367
1 files changed, 235 insertions, 132 deletions
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 9ca9b9b..1e6eda2 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -36,7 +36,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_MELLANOX,PCI_DEVICE_ID_MELLANOX_TAVOR_BRID
/* Deal with broken BIOS'es that neglect to enable passive release,
which can cause problems in combination with the 82441FX/PPro MTRRs */
-static void __devinit quirk_passive_release(struct pci_dev *dev)
+static void quirk_passive_release(struct pci_dev *dev)
{
struct pci_dev *d = NULL;
unsigned char dlc;
@@ -53,6 +53,7 @@ static void __devinit quirk_passive_release(struct pci_dev *dev)
}
}
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82441, quirk_passive_release );
+DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82441, quirk_passive_release );
/* The VIA VP2/VP3/MVP3 seem to have some 'features'. There may be a workaround
but VIA don't answer queries. If you happen to have good contacts at VIA
@@ -60,7 +61,8 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82441, quirk_pa
This appears to be BIOS not version dependent. So presumably there is a
chipset level fix */
-int isa_dma_bridge_buggy; /* Exported */
+int isa_dma_bridge_buggy;
+EXPORT_SYMBOL(isa_dma_bridge_buggy);
static void __devinit quirk_isa_dma_hangs(struct pci_dev *dev)
{
@@ -82,6 +84,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NEC, PCI_DEVICE_ID_NEC_CBUS_2, quirk_isa_d
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NEC, PCI_DEVICE_ID_NEC_CBUS_3, quirk_isa_dma_hangs );
int pci_pci_problems;
+EXPORT_SYMBOL(pci_pci_problems);
/*
* Chipsets where PCI->PCI transfers vanish or hang
@@ -93,6 +96,8 @@ static void __devinit quirk_nopcipci(struct pci_dev *dev)
pci_pci_problems |= PCIPCI_FAIL;
}
}
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_5597, quirk_nopcipci );
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_496, quirk_nopcipci );
static void __devinit quirk_nopciamd(struct pci_dev *dev)
{
@@ -104,9 +109,6 @@ static void __devinit quirk_nopciamd(struct pci_dev *dev)
pci_pci_problems |= PCIAGP_FAIL;
}
}
-
-DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_5597, quirk_nopcipci );
-DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_496, quirk_nopcipci );
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_8151_0, quirk_nopciamd );
/*
@@ -134,7 +136,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82439TX, quir
* Updated based on further information from the site and also on
* information provided by VIA
*/
-static void __devinit quirk_vialatency(struct pci_dev *dev)
+static void quirk_vialatency(struct pci_dev *dev)
{
struct pci_dev *p;
u8 rev;
@@ -185,6 +187,10 @@ exit:
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8363_0, quirk_vialatency );
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8371_1, quirk_vialatency );
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8361, quirk_vialatency );
+/* Must restore this on a resume from RAM */
+DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8363_0, quirk_vialatency );
+DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8371_1, quirk_vialatency );
+DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8361, quirk_vialatency );
/*
* VIA Apollo VP3 needs ETBF on BT848/878
@@ -532,7 +538,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8235, quirk_vt8235
* TODO: When we have device-specific interrupt routers,
* this code will go away from quirks.
*/
-static void __devinit quirk_via_ioapic(struct pci_dev *dev)
+static void quirk_via_ioapic(struct pci_dev *dev)
{
u8 tmp;
@@ -548,6 +554,7 @@ static void __devinit quirk_via_ioapic(struct pci_dev *dev)
pci_write_config_byte (dev, 0x58, tmp);
}
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686, quirk_via_ioapic );
+DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686, quirk_via_ioapic );
/*
* VIA 8237: Some BIOSs don't set the 'Bypass APIC De-Assert Message' Bit.
@@ -555,7 +562,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686, quirk_via_i
* Set this bit to get rid of cycle wastage.
* Otherwise uncritical.
*/
-static void __devinit quirk_via_vt8237_bypass_apic_deassert(struct pci_dev *dev)
+static void quirk_via_vt8237_bypass_apic_deassert(struct pci_dev *dev)
{
u8 misc_control2;
#define BYPASS_APIC_DEASSERT 8
@@ -567,6 +574,7 @@ static void __devinit quirk_via_vt8237_bypass_apic_deassert(struct pci_dev *dev)
}
}
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8237, quirk_via_vt8237_bypass_apic_deassert);
+DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8237, quirk_via_vt8237_bypass_apic_deassert);
/*
* The AMD io apic can hang the box when an apic irq is masked.
@@ -600,7 +608,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_SI, PCI_ANY_ID, quirk_ioapic_rmw );
#define AMD8131_revB0 0x11
#define AMD8131_MISC 0x40
#define AMD8131_NIOAMODE_BIT 0
-static void __init quirk_amd_8131_ioapic(struct pci_dev *dev)
+static void quirk_amd_8131_ioapic(struct pci_dev *dev)
{
unsigned char revid, tmp;
@@ -616,6 +624,7 @@ static void __init quirk_amd_8131_ioapic(struct pci_dev *dev)
}
}
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_8131_BRIDGE, quirk_amd_8131_ioapic);
+DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_8131_BRIDGE, quirk_amd_8131_ioapic);
#endif /* CONFIG_X86_IO_APIC */
@@ -641,48 +650,67 @@ static void __devinit quirk_via_acpi(struct pci_dev *d)
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_3, quirk_via_acpi );
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686_4, quirk_via_acpi );
+
/*
- * Via 686A/B: The PCI_INTERRUPT_LINE register for the on-chip
- * devices, USB0/1, AC97, MC97, and ACPI, has an unusual feature:
- * when written, it makes an internal connection to the PIC.
- * For these devices, this register is defined to be 4 bits wide.
- * Normally this is fine. However for IO-APIC motherboards, or
- * non-x86 architectures (yes Via exists on PPC among other places),
- * we must mask the PCI_INTERRUPT_LINE value versus 0xf to get
- * interrupts delivered properly.
- *
- * Some of the on-chip devices are actually '586 devices' so they are
- * listed here.
+ * VIA bridges which have VLink
*/
-static int via_irq_fixup_needed = -1;
+static int via_vlink_dev_lo = -1, via_vlink_dev_hi = 18;
-/*
- * As some VIA hardware is available in PCI-card form, we need to restrict
- * this quirk to VIA PCI hardware built onto VIA-based motherboards only.
- * We try to locate a VIA southbridge before deciding whether the quirk
- * should be applied.
+static void quirk_via_bridge(struct pci_dev *dev)
+{
+ /* See what bridge we have and find the device ranges */
+ switch (dev->device) {
+ case PCI_DEVICE_ID_VIA_82C686:
+ /* The VT82C686 is special, it attaches to PCI and can have
+ any device number. All its subdevices are functions of
+ that single device. */
+ via_vlink_dev_lo = PCI_SLOT(dev->devfn);
+ via_vlink_dev_hi = PCI_SLOT(dev->devfn);
+ break;
+ case PCI_DEVICE_ID_VIA_8237:
+ case PCI_DEVICE_ID_VIA_8237A:
+ via_vlink_dev_lo = 15;
+ break;
+ case PCI_DEVICE_ID_VIA_8235:
+ via_vlink_dev_lo = 16;
+ break;
+ case PCI_DEVICE_ID_VIA_8231:
+ case PCI_DEVICE_ID_VIA_8233_0:
+ case PCI_DEVICE_ID_VIA_8233A:
+ case PCI_DEVICE_ID_VIA_8233C_0:
+ via_vlink_dev_lo = 17;
+ break;
+ }
+}
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686, quirk_via_bridge);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8231, quirk_via_bridge);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8233_0, quirk_via_bridge);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8233A, quirk_via_bridge);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8233C_0, quirk_via_bridge);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8235, quirk_via_bridge);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8237, quirk_via_bridge);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8237A, quirk_via_bridge);
+
+/**
+ * quirk_via_vlink - VIA VLink IRQ number update
+ * @dev: PCI device
+ *
+ * If the device we are dealing with is on a PIC IRQ we need to
+ * ensure that the IRQ line register which usually is not relevant
+ * for PCI cards, is actually written so that interrupts get sent
+ * to the right place.
+ * We only do this on systems where a VIA south bridge was detected,
+ * and only for VIA devices on the motherboard (see quirk_via_bridge
+ * above).
*/
-static const struct pci_device_id via_irq_fixup_tbl[] = {
- {
- .vendor = PCI_VENDOR_ID_VIA,
- .device = PCI_ANY_ID,
- .subvendor = PCI_ANY_ID,
- .subdevice = PCI_ANY_ID,
- .class = PCI_CLASS_BRIDGE_ISA << 8,
- .class_mask = 0xffff00,
- },
- { 0, },
-};
-
-static void quirk_via_irq(struct pci_dev *dev)
+
+static void quirk_via_vlink(struct pci_dev *dev)
{
u8 irq, new_irq;
- if (via_irq_fixup_needed == -1)
- via_irq_fixup_needed = pci_dev_present(via_irq_fixup_tbl);
-
- if (!via_irq_fixup_needed)
+ /* Check if we have VLink at all */
+ if (via_vlink_dev_lo == -1)
return;
new_irq = dev->irq;
@@ -691,15 +719,23 @@ static void quirk_via_irq(struct pci_dev *dev)
if (!new_irq || new_irq > 15)
return;
+ /* Internal device ? */
+ if (dev->bus->number != 0 || PCI_SLOT(dev->devfn) > via_vlink_dev_hi ||
+ PCI_SLOT(dev->devfn) < via_vlink_dev_lo)
+ return;
+
+ /* This is an internal VLink device on a PIC interrupt. The BIOS
+ ought to have set this but may not have, so we redo it */
+
pci_read_config_byte(dev, PCI_INTERRUPT_LINE, &irq);
if (new_irq != irq) {
- printk(KERN_INFO "PCI: VIA IRQ fixup for %s, from %d to %d\n",
+ printk(KERN_INFO "PCI: VIA VLink IRQ fixup for %s, from %d to %d\n",
pci_name(dev), irq, new_irq);
udelay(15); /* unknown if delay really needed */
pci_write_config_byte(dev, PCI_INTERRUPT_LINE, new_irq);
}
}
-DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_ANY_ID, quirk_via_irq);
+DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_ANY_ID, quirk_via_vlink);
/*
* VIA VT82C598 has its device ID settable and many BIOSes
@@ -720,13 +756,14 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C597_0, quirk_vt
* do this even if the Linux CardBus driver is not loaded, because
* the Linux i82365 driver does not (and should not) handle CardBus.
*/
-static void __devinit quirk_cardbus_legacy(struct pci_dev *dev)
+static void quirk_cardbus_legacy(struct pci_dev *dev)
{
if ((PCI_CLASS_BRIDGE_CARDBUS << 8) ^ dev->class)
return;
pci_write_config_dword(dev, PCI_CB_LEGACY_MODE_BASE, 0);
}
DECLARE_PCI_FIXUP_FINAL(PCI_ANY_ID, PCI_ANY_ID, quirk_cardbus_legacy);
+DECLARE_PCI_FIXUP_RESUME(PCI_ANY_ID, PCI_ANY_ID, quirk_cardbus_legacy);
/*
* Following the PCI ordering rules is optional on the AMD762. I'm not
@@ -735,7 +772,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_ANY_ID, PCI_ANY_ID, quirk_cardbus_legacy);
* To be fair to AMD, it follows the spec by default, its BIOS people
* who turn it off!
*/
-static void __devinit quirk_amd_ordering(struct pci_dev *dev)
+static void quirk_amd_ordering(struct pci_dev *dev)
{
u32 pcic;
pci_read_config_dword(dev, 0x4C, &pcic);
@@ -749,6 +786,7 @@ static void __devinit quirk_amd_ordering(struct pci_dev *dev)
}
}
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_FE_GATE_700C, quirk_amd_ordering );
+DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_FE_GATE_700C, quirk_amd_ordering );
/*
* DreamWorks provided workaround for Dunord I-3000 problem
@@ -784,7 +822,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_TOSHIBA, 0x605, quirk_transparent_bridge
* datasheets found at http://www.national.com/ds/GX for info on what
* these bits do. <christer@weinigel.se>
*/
-static void __init quirk_mediagx_master(struct pci_dev *dev)
+static void quirk_mediagx_master(struct pci_dev *dev)
{
u8 reg;
pci_read_config_byte(dev, 0x41, &reg);
@@ -795,13 +833,14 @@ static void __init quirk_mediagx_master(struct pci_dev *dev)
}
}
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CYRIX, PCI_DEVICE_ID_CYRIX_PCI_MASTER, quirk_mediagx_master );
+DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_CYRIX, PCI_DEVICE_ID_CYRIX_PCI_MASTER, quirk_mediagx_master );
/*
* Ensure C0 rev restreaming is off. This is normally done by
* the BIOS but in the odd case it is not the results are corruption
* hence the presence of a Linux check
*/
-static void __init quirk_disable_pxb(struct pci_dev *pdev)
+static void quirk_disable_pxb(struct pci_dev *pdev)
{
u16 config;
u8 rev;
@@ -817,7 +856,25 @@ static void __init quirk_disable_pxb(struct pci_dev *pdev)
}
}
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82454NX, quirk_disable_pxb );
+DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82454NX, quirk_disable_pxb );
+
+static void __devinit quirk_sb600_sata(struct pci_dev *pdev)
+{
+ /* set sb600 sata to ahci mode */
+ if ((pdev->class >> 8) == PCI_CLASS_STORAGE_IDE) {
+ u8 tmp;
+
+ pci_read_config_byte(pdev, 0x40, &tmp);
+ pci_write_config_byte(pdev, 0x40, tmp|1);
+ pci_write_config_byte(pdev, 0x9, 1);
+ pci_write_config_byte(pdev, 0xa, 6);
+ pci_write_config_byte(pdev, 0x40, tmp);
+
+ pdev->class = PCI_CLASS_STORAGE_SATA_AHCI;
+ }
+}
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP600_SATA, quirk_sb600_sata);
/*
* Serverworks CSB5 IDE does not fully support native mode
@@ -874,7 +931,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82375, quirk_e
* runs everywhere at present we suppress the printk output in most
* irrelevant cases.
*/
-static void __init k8t_sound_hostbridge(struct pci_dev *dev)
+static void k8t_sound_hostbridge(struct pci_dev *dev)
{
unsigned char val;
@@ -893,8 +950,8 @@ static void __init k8t_sound_hostbridge(struct pci_dev *dev)
}
}
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8237, k8t_sound_hostbridge);
+DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8237, k8t_sound_hostbridge);
-#ifndef CONFIG_ACPI_SLEEP
/*
* On ASUS P4B boards, the SMBus PCI Device within the ICH2/4 southbridge
* is not activated. The myth is that Asus said that they do not want the
@@ -906,12 +963,8 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8237, k8t_sound_ho
* bridge. Unfortunately, this device has no subvendor/subdevice ID. So it
* becomes necessary to do this tweak in two steps -- I've chosen the Host
* bridge as trigger.
- *
- * Actually, leaving it unhidden and not redoing the quirk over suspend2ram
- * will cause thermal management to break down, and causing machine to
- * overheat.
*/
-static int __initdata asus_hides_smbus;
+static int asus_hides_smbus;
static void __init asus_hides_smbus_hostbridge(struct pci_dev *dev)
{
@@ -924,47 +977,51 @@ static void __init asus_hides_smbus_hostbridge(struct pci_dev *dev)
case 0x1626: /* L3C notebook */
asus_hides_smbus = 1;
}
- if (dev->device == PCI_DEVICE_ID_INTEL_82845G_HB)
+ else if (dev->device == PCI_DEVICE_ID_INTEL_82845G_HB)
switch(dev->subsystem_device) {
case 0x80b1: /* P4GE-V */
case 0x80b2: /* P4PE */
case 0x8093: /* P4B533-V */
asus_hides_smbus = 1;
}
- if (dev->device == PCI_DEVICE_ID_INTEL_82850_HB)
+ else if (dev->device == PCI_DEVICE_ID_INTEL_82850_HB)
switch(dev->subsystem_device) {
case 0x8030: /* P4T533 */
asus_hides_smbus = 1;
}
- if (dev->device == PCI_DEVICE_ID_INTEL_7205_0)
+ else if (dev->device == PCI_DEVICE_ID_INTEL_7205_0)
switch (dev->subsystem_device) {
case 0x8070: /* P4G8X Deluxe */
asus_hides_smbus = 1;
}
- if (dev->device == PCI_DEVICE_ID_INTEL_E7501_MCH)
+ else if (dev->device == PCI_DEVICE_ID_INTEL_E7501_MCH)
switch (dev->subsystem_device) {
case 0x80c9: /* PU-DLS */
asus_hides_smbus = 1;
}
- if (dev->device == PCI_DEVICE_ID_INTEL_82855GM_HB)
+ else if (dev->device == PCI_DEVICE_ID_INTEL_82855GM_HB)
switch (dev->subsystem_device) {
case 0x1751: /* M2N notebook */
case 0x1821: /* M5N notebook */
asus_hides_smbus = 1;
}
- if (dev->device == PCI_DEVICE_ID_INTEL_82855PM_HB)
+ else if (dev->device == PCI_DEVICE_ID_INTEL_82855PM_HB)
switch (dev->subsystem_device) {
case 0x184b: /* W1N notebook */
case 0x186a: /* M6Ne notebook */
asus_hides_smbus = 1;
}
- if (dev->device == PCI_DEVICE_ID_INTEL_82915GM_HB) {
+ else if (dev->device == PCI_DEVICE_ID_INTEL_82865_HB)
+ switch (dev->subsystem_device) {
+ case 0x80f2: /* P4P800-X */
+ asus_hides_smbus = 1;
+ }
+ else if (dev->device == PCI_DEVICE_ID_INTEL_82915GM_HB)
switch (dev->subsystem_device) {
case 0x1882: /* M6V notebook */
case 0x1977: /* A6VA notebook */
asus_hides_smbus = 1;
}
- }
} else if (unlikely(dev->subsystem_vendor == PCI_VENDOR_ID_HP)) {
if (dev->device == PCI_DEVICE_ID_INTEL_82855PM_HB)
switch(dev->subsystem_device) {
@@ -972,25 +1029,24 @@ static void __init asus_hides_smbus_hostbridge(struct pci_dev *dev)
case 0x0890: /* HP Compaq nc6000 */
asus_hides_smbus = 1;
}
- if (dev->device == PCI_DEVICE_ID_INTEL_82865_HB)
+ else if (dev->device == PCI_DEVICE_ID_INTEL_82865_HB)
switch (dev->subsystem_device) {
case 0x12bc: /* HP D330L */
case 0x12bd: /* HP D530 */
asus_hides_smbus = 1;
}
- if (dev->device == PCI_DEVICE_ID_INTEL_82915GM_HB) {
+ else if (dev->device == PCI_DEVICE_ID_INTEL_82915GM_HB)
switch (dev->subsystem_device) {
case 0x099c: /* HP Compaq nx6110 */
asus_hides_smbus = 1;
}
- }
} else if (unlikely(dev->subsystem_vendor == PCI_VENDOR_ID_TOSHIBA)) {
if (dev->device == PCI_DEVICE_ID_INTEL_82855GM_HB)
switch(dev->subsystem_device) {
case 0x0001: /* Toshiba Satellite A40 */
asus_hides_smbus = 1;
}
- if (dev->device == PCI_DEVICE_ID_INTEL_82855PM_HB)
+ else if (dev->device == PCI_DEVICE_ID_INTEL_82855PM_HB)
switch(dev->subsystem_device) {
case 0x0001: /* Toshiba Tecra M2 */
asus_hides_smbus = 1;
@@ -1019,7 +1075,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82855PM_HB, as
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82855GM_HB, asus_hides_smbus_hostbridge );
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82915GM_HB, asus_hides_smbus_hostbridge );
-static void __init asus_hides_smbus_lpc(struct pci_dev *dev)
+static void asus_hides_smbus_lpc(struct pci_dev *dev)
{
u16 val;
@@ -1042,8 +1098,14 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801CA_0, asu
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801CA_12, asus_hides_smbus_lpc );
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801DB_12, asus_hides_smbus_lpc );
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801EB_0, asus_hides_smbus_lpc );
+DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801DB_0, asus_hides_smbus_lpc );
+DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_0, asus_hides_smbus_lpc );
+DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801CA_0, asus_hides_smbus_lpc );
+DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801CA_12, asus_hides_smbus_lpc );
+DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801DB_12, asus_hides_smbus_lpc );
+DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801EB_0, asus_hides_smbus_lpc );
-static void __init asus_hides_smbus_lpc_ich6(struct pci_dev *dev)
+static void asus_hides_smbus_lpc_ich6(struct pci_dev *dev)
{
u32 val, rcba;
void __iomem *base;
@@ -1059,20 +1121,28 @@ static void __init asus_hides_smbus_lpc_ich6(struct pci_dev *dev)
printk(KERN_INFO "PCI: Enabled ICH6/i801 SMBus device\n");
}
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH6_1, asus_hides_smbus_lpc_ich6 );
-
-#endif
+DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH6_1, asus_hides_smbus_lpc_ich6 );
/*
* SiS 96x south bridge: BIOS typically hides SMBus device...
*/
-static void __init quirk_sis_96x_smbus(struct pci_dev *dev)
+static void quirk_sis_96x_smbus(struct pci_dev *dev)
{
u8 val = 0;
- printk(KERN_INFO "Enabling SiS 96x SMBus.\n");
- pci_read_config_byte(dev, 0x77, &val);
- pci_write_config_byte(dev, 0x77, val & ~0x10);
pci_read_config_byte(dev, 0x77, &val);
+ if (val & 0x10) {
+ printk(KERN_INFO "Enabling SiS 96x SMBus.\n");
+ pci_write_config_byte(dev, 0x77, val & ~0x10);
+ }
}
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_961, quirk_sis_96x_smbus );
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_962, quirk_sis_96x_smbus );
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_963, quirk_sis_96x_smbus );
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_LPC, quirk_sis_96x_smbus );
+DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_961, quirk_sis_96x_smbus );
+DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_962, quirk_sis_96x_smbus );
+DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_963, quirk_sis_96x_smbus );
+DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_LPC, quirk_sis_96x_smbus );
/*
* ... This is further complicated by the fact that some SiS96x south
@@ -1082,11 +1152,9 @@ static void __init quirk_sis_96x_smbus(struct pci_dev *dev)
*
* We can also enable the sis96x bit in the discovery register..
*/
-static int __devinitdata sis_96x_compatible = 0;
-
#define SIS_DETECT_REGISTER 0x40
-static void __init quirk_sis_503(struct pci_dev *dev)
+static void quirk_sis_503(struct pci_dev *dev)
{
u8 reg;
u16 devid;
@@ -1099,36 +1167,25 @@ static void __init quirk_sis_503(struct pci_dev *dev)
return;
}
- /* Make people aware that we changed the config.. */
- printk(KERN_WARNING "Uncovering SIS%x that hid as a SIS503 (compatible=%d)\n", devid, sis_96x_compatible);
-
/*
- * Ok, it now shows up as a 96x.. The 96x quirks are after
- * the 503 quirk in the quirk table, so they'll automatically
- * run and enable things like the SMBus device
+ * Ok, it now shows up as a 96x.. run the 96x quirk by
+ * hand in case it has already been processed.
+ * (depends on link order, which is apparently not guaranteed)
*/
dev->device = devid;
+ quirk_sis_96x_smbus(dev);
}
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_503, quirk_sis_503 );
+DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_503, quirk_sis_503 );
-static void __init quirk_sis_96x_compatible(struct pci_dev *dev)
-{
- sis_96x_compatible = 1;
-}
-DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_645, quirk_sis_96x_compatible );
-DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_646, quirk_sis_96x_compatible );
-DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_648, quirk_sis_96x_compatible );
-DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_650, quirk_sis_96x_compatible );
-DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_651, quirk_sis_96x_compatible );
-DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_735, quirk_sis_96x_compatible );
-DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_503, quirk_sis_503 );
/*
* On ASUS A8V and A8V Deluxe boards, the onboard AC97 audio controller
* and MC97 modem controller are disabled when a second PCI soundcard is
* present. This patch, tweaking the VT8237 ISA bridge, enables them.
* -- bjd
*/
-static void __init asus_hides_ac97_lpc(struct pci_dev *dev)
+static void asus_hides_ac97_lpc(struct pci_dev *dev)
{
u8 val;
int asus_hides_ac97 = 0;
@@ -1152,12 +1209,7 @@ static void __init asus_hides_ac97_lpc(struct pci_dev *dev)
}
}
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8237, asus_hides_ac97_lpc );
-
-
-DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_961, quirk_sis_96x_smbus );
-DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_962, quirk_sis_96x_smbus );
-DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_963, quirk_sis_96x_smbus );
-DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_LPC, quirk_sis_96x_smbus );
+DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8237, asus_hides_ac97_lpc );
#if defined(CONFIG_ATA) || defined(CONFIG_ATA_MODULE)
@@ -1167,7 +1219,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_LPC, quirk_sis_96x_
* the PCI scanning.
*/
-static void __devinit quirk_jmicron_dualfn(struct pci_dev *pdev)
+static void quirk_jmicron_dualfn(struct pci_dev *pdev)
{
u32 conf;
u8 hdr;
@@ -1189,8 +1241,8 @@ static void __devinit quirk_jmicron_dualfn(struct pci_dev *pdev)
pci_read_config_dword(pdev, 0x40, &conf);
/* Enable dual function mode, AHCI on fn 0, IDE fn1 */
/* Set the class codes correctly and then direct IDE 0 */
- conf &= ~0x000F0200; /* Clear bit 9 and 16-19 */
- conf |= 0x00C20002; /* Set bit 1, 17, 22, 23 */
+ conf &= ~0x000FF200; /* Clear bit 9 and 12-19 */
+ conf |= 0x00C2A102; /* Set 1, 8, 13, 15, 17, 22, 23 */
pci_write_config_dword(pdev, 0x40, conf);
/* Reconfigure so that the PCI scanner discovers the
@@ -1203,8 +1255,8 @@ static void __devinit quirk_jmicron_dualfn(struct pci_dev *pdev)
break;
}
}
-
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_JMICRON, PCI_ANY_ID, quirk_jmicron_dualfn);
+DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_JMICRON, PCI_ANY_ID, quirk_jmicron_dualfn);
#endif
@@ -1346,6 +1398,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_ANY_ID, quirk_intel_ide_co
int pcie_mch_quirk;
+EXPORT_SYMBOL(pcie_mch_quirk);
static void __devinit quirk_pcie_mch(struct pci_dev *pdev)
{
@@ -1407,6 +1460,24 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x2609, quirk_intel_pcie_pm);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x260a, quirk_intel_pcie_pm);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x260b, quirk_intel_pcie_pm);
+/*
+ * Toshiba TC86C001 IDE controller reports the standard 8-byte BAR0 size
+ * but the PIO transfers won't work if BAR0 falls at the odd 8 bytes.
+ * Re-allocate the region if needed...
+ */
+static void __init quirk_tc86c001_ide(struct pci_dev *dev)
+{
+ struct resource *r = &dev->resource[0];
+
+ if (r->start & 0x8) {
+ r->start = 0;
+ r->end = 0xf;
+ }
+}
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_TOSHIBA_2,
+ PCI_DEVICE_ID_TOSHIBA_TC86C001_IDE,
+ quirk_tc86c001_ide);
+
static void __devinit quirk_netmos(struct pci_dev *dev)
{
unsigned int num_parallel = (dev->subsystem_device & 0xf0) >> 4;
@@ -1532,6 +1603,8 @@ extern struct pci_fixup __start_pci_fixups_final[];
extern struct pci_fixup __end_pci_fixups_final[];
extern struct pci_fixup __start_pci_fixups_enable[];
extern struct pci_fixup __end_pci_fixups_enable[];
+extern struct pci_fixup __start_pci_fixups_resume[];
+extern struct pci_fixup __end_pci_fixups_resume[];
void pci_fixup_device(enum pci_fixup_pass pass, struct pci_dev *dev)
@@ -1559,12 +1632,18 @@ void pci_fixup_device(enum pci_fixup_pass pass, struct pci_dev *dev)
end = __end_pci_fixups_enable;
break;
+ case pci_fixup_resume:
+ start = __start_pci_fixups_resume;
+ end = __end_pci_fixups_resume;
+ break;
+
default:
/* stupid compiler warning, you would think with an enum... */
return;
}
pci_do_fixups(dev, start, end);
}
+EXPORT_SYMBOL(pci_fixup_device);
/* Enable 1k I/O space granularity on the Intel P64H2 */
static void __devinit quirk_p64h2_1k_io(struct pci_dev *dev)
@@ -1592,11 +1671,36 @@ static void __devinit quirk_p64h2_1k_io(struct pci_dev *dev)
}
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x1460, quirk_p64h2_1k_io);
+/* Fix the IOBL_ADR for 1k I/O space granularity on the Intel P64H2
+ * The IOBL_ADR gets re-written to 4k boundaries in pci_setup_bridge()
+ * in drivers/pci/setup-bus.c
+ */
+static void __devinit quirk_p64h2_1k_io_fix_iobl(struct pci_dev *dev)
+{
+ u16 en1k, iobl_adr, iobl_adr_1k;
+ struct resource *res = dev->resource + PCI_BRIDGE_RESOURCES;
+
+ pci_read_config_word(dev, 0x40, &en1k);
+
+ if (en1k & 0x200) {
+ pci_read_config_word(dev, PCI_IO_BASE, &iobl_adr);
+
+ iobl_adr_1k = iobl_adr | (res->start >> 8) | (res->end & 0xfc00);
+
+ if (iobl_adr != iobl_adr_1k) {
+ printk(KERN_INFO "PCI: Fixing P64H2 IOBL_ADR from 0x%x to 0x%x for 1 KB Granularity\n",
+ iobl_adr,iobl_adr_1k);
+ pci_write_config_word(dev, PCI_IO_BASE, iobl_adr_1k);
+ }
+ }
+}
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x1460, quirk_p64h2_1k_io_fix_iobl);
+
/* Under some circumstances, AER is not linked with extended capabilities.
* Force it to be linked by setting the corresponding control bit in the
* config space.
*/
-static void __devinit quirk_nvidia_ck804_pcie_aer_ext_cap(struct pci_dev *dev)
+static void quirk_nvidia_ck804_pcie_aer_ext_cap(struct pci_dev *dev)
{
uint8_t b;
if (pci_read_config_byte(dev, 0xf41, &b) == 0) {
@@ -1610,11 +1714,10 @@ static void __devinit quirk_nvidia_ck804_pcie_aer_ext_cap(struct pci_dev *dev)
}
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_CK804_PCIE,
quirk_nvidia_ck804_pcie_aer_ext_cap);
+DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_CK804_PCIE,
+ quirk_nvidia_ck804_pcie_aer_ext_cap);
#ifdef CONFIG_PCI_MSI
-/* To disable MSI globally */
-int pci_msi_quirk;
-
/* The Serverworks PCI-X chipset does not support MSI. We cannot easily rely
* on setting PCI_BUS_FLAGS_NO_MSI in its bus flags because there are actually
* some other busses controlled by the chipset even if Linux is not aware of it.
@@ -1623,8 +1726,8 @@ int pci_msi_quirk;
*/
static void __init quirk_svw_msi(struct pci_dev *dev)
{
- pci_msi_quirk = 1;
- printk(KERN_WARNING "PCI: MSI quirk detected. pci_msi_quirk set.\n");
+ pci_no_msi();
+ printk(KERN_WARNING "PCI: MSI quirk detected. MSI deactivated.\n");
}
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_GCNB_LE, quirk_svw_msi);
@@ -1644,19 +1747,23 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_8131_BRIDGE, quirk_
* return 1 if a HT MSI capability is found and enabled */
static int __devinit msi_ht_cap_enabled(struct pci_dev *dev)
{
- u8 pos;
- int ttl;
- for (pos = pci_find_capability(dev, PCI_CAP_ID_HT), ttl = 48;
- pos && ttl;
- pos = pci_find_next_capability(dev, pos, PCI_CAP_ID_HT), ttl--) {
- u32 cap_hdr;
- /* MSI mapping section according to Hypertransport spec */
- if (pci_read_config_dword(dev, pos, &cap_hdr) == 0
- && (cap_hdr & 0xf8000000) == 0xa8000000 /* MSI mapping */) {
- printk(KERN_INFO "PCI: Found HT MSI mapping on %s with capability %s\n",
- pci_name(dev), cap_hdr & 0x10000 ? "enabled" : "disabled");
- return (cap_hdr & 0x10000) != 0; /* MSI mapping cap enabled */
+ int pos, ttl = 48;
+
+ pos = pci_find_ht_capability(dev, HT_CAPTYPE_MSI_MAPPING);
+ while (pos && ttl--) {
+ u8 flags;
+
+ if (pci_read_config_byte(dev, pos + HT_MSI_FLAGS,
+ &flags) == 0)
+ {
+ printk(KERN_INFO "PCI: Found %s HT MSI Mapping on %s\n",
+ flags & HT_MSI_FLAGS_ENABLE ?
+ "enabled" : "disabled", pci_name(dev));
+ return (flags & HT_MSI_FLAGS_ENABLE) != 0;
}
+
+ pos = pci_find_next_ht_capability(dev, pos,
+ HT_CAPTYPE_MSI_MAPPING);
}
return 0;
}
@@ -1688,8 +1795,9 @@ static void __devinit quirk_nvidia_ck804_msi_ht_cap(struct pci_dev *dev)
* a single one having MSI is enough to be sure that MSI are supported.
*/
pdev = pci_get_slot(dev->bus, 0);
- if (dev->subordinate && !msi_ht_cap_enabled(dev)
- && !msi_ht_cap_enabled(pdev)) {
+ if (!pdev)
+ return;
+ if (!msi_ht_cap_enabled(dev) && !msi_ht_cap_enabled(pdev)) {
printk(KERN_WARNING "PCI: MSI quirk detected. "
"MSI disabled on chipset %s.\n",
pci_name(dev));
@@ -1700,8 +1808,3 @@ static void __devinit quirk_nvidia_ck804_msi_ht_cap(struct pci_dev *dev)
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_CK804_PCIE,
quirk_nvidia_ck804_msi_ht_cap);
#endif /* CONFIG_PCI_MSI */
-
-EXPORT_SYMBOL(pcie_mch_quirk);
-#ifdef CONFIG_HOTPLUG
-EXPORT_SYMBOL(pci_fixup_device);
-#endif
OpenPOWER on IntegriCloud