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-rw-r--r--arch/i386/pci/acpi.c2
-rw-r--r--arch/i386/pci/fixup.c23
-rw-r--r--arch/i386/pci/irq.c49
-rw-r--r--arch/i386/pci/mmconfig.c15
4 files changed, 66 insertions, 23 deletions
diff --git a/arch/i386/pci/acpi.c b/arch/i386/pci/acpi.c
index 4c4522b..b33aea8 100644
--- a/arch/i386/pci/acpi.c
+++ b/arch/i386/pci/acpi.c
@@ -53,7 +53,7 @@ static int __init pci_acpi_init(void)
* don't use pci_enable_device().
*/
printk(KERN_INFO "PCI: Routing PCI interrupts for all devices because \"pci=routeirq\" specified\n");
- while ((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL)
+ for_each_pci_dev(dev)
acpi_pci_irq_enable(dev);
} else
printk(KERN_INFO "PCI: If a device doesn't work, try \"pci=routeirq\". If it helps, post a report\n");
diff --git a/arch/i386/pci/fixup.c b/arch/i386/pci/fixup.c
index eeb1b1f..83c3645 100644
--- a/arch/i386/pci/fixup.c
+++ b/arch/i386/pci/fixup.c
@@ -413,6 +413,13 @@ static struct dmi_system_id __devinitdata toshiba_ohci1394_dmi_table[] = {
DMI_MATCH(DMI_PRODUCT_VERSION, "PSM4"),
},
},
+ {
+ .ident = "Toshiba A40 based laptop",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
+ DMI_MATCH(DMI_PRODUCT_VERSION, "PSA40U"),
+ },
+ },
{ }
};
@@ -442,3 +449,19 @@ static void __devinit pci_post_fixup_toshiba_ohci1394(struct pci_dev *dev)
}
DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_TI, 0x8032,
pci_post_fixup_toshiba_ohci1394);
+
+
+/*
+ * Prevent the BIOS trapping accesses to the Cyrix CS5530A video device
+ * configuration space.
+ */
+static void __devinit pci_early_fixup_cyrix_5530(struct pci_dev *dev)
+{
+ u8 r;
+ /* clear 'F4 Video Configuration Trap' bit */
+ pci_read_config_byte(dev, 0x42, &r);
+ r &= 0xfd;
+ pci_write_config_byte(dev, 0x42, r);
+}
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_CYRIX, PCI_DEVICE_ID_CYRIX_5530_LEGACY,
+ pci_early_fixup_cyrix_5530);
diff --git a/arch/i386/pci/irq.c b/arch/i386/pci/irq.c
index 19e6f48..3ca59ca 100644
--- a/arch/i386/pci/irq.c
+++ b/arch/i386/pci/irq.c
@@ -78,7 +78,7 @@ static inline struct irq_routing_table * pirq_check_routing_table(u8 *addr)
for (i=0; i < rt->size; i++)
sum += addr[i];
if (!sum) {
- DBG("PCI: Interrupt Routing Table found at 0x%p\n", rt);
+ DBG(KERN_DEBUG "PCI: Interrupt Routing Table found at 0x%p\n", rt);
return rt;
}
return NULL;
@@ -128,7 +128,7 @@ static void __init pirq_peer_trick(void)
#ifdef DEBUG
{
int j;
- DBG("%02x:%02x slot=%02x", e->bus, e->devfn/8, e->slot);
+ DBG(KERN_DEBUG "%02x:%02x slot=%02x", e->bus, e->devfn/8, e->slot);
for(j=0; j<4; j++)
DBG(" %d:%02x/%04x", j, e->irq[j].link, e->irq[j].bitmap);
DBG("\n");
@@ -160,10 +160,10 @@ void eisa_set_level_irq(unsigned int irq)
return;
eisa_irq_mask |= (1 << irq);
- printk("PCI: setting IRQ %u as level-triggered\n", irq);
+ printk(KERN_DEBUG "PCI: setting IRQ %u as level-triggered\n", irq);
val = inb(port);
if (!(val & mask)) {
- DBG(" -> edge");
+ DBG(KERN_DEBUG " -> edge");
outb(val | mask, port);
}
}
@@ -539,6 +539,11 @@ static __init int intel_router_probe(struct irq_router *r, struct pci_dev *route
case PCI_DEVICE_ID_INTEL_ICH7_30:
case PCI_DEVICE_ID_INTEL_ICH7_31:
case PCI_DEVICE_ID_INTEL_ESB2_0:
+ case PCI_DEVICE_ID_INTEL_ICH8_0:
+ case PCI_DEVICE_ID_INTEL_ICH8_1:
+ case PCI_DEVICE_ID_INTEL_ICH8_2:
+ case PCI_DEVICE_ID_INTEL_ICH8_3:
+ case PCI_DEVICE_ID_INTEL_ICH8_4:
r->name = "PIIX/ICH";
r->get = pirq_piix_get;
r->set = pirq_piix_set;
@@ -677,11 +682,11 @@ static __init int ali_router_probe(struct irq_router *r, struct pci_dev *router,
{
case PCI_DEVICE_ID_AL_M1533:
case PCI_DEVICE_ID_AL_M1563:
- printk("PCI: Using ALI IRQ Router\n");
- r->name = "ALI";
- r->get = pirq_ali_get;
- r->set = pirq_ali_set;
- return 1;
+ printk(KERN_DEBUG "PCI: Using ALI IRQ Router\n");
+ r->name = "ALI";
+ r->get = pirq_ali_get;
+ r->set = pirq_ali_set;
+ return 1;
}
return 0;
}
@@ -749,12 +754,13 @@ static void __init pirq_find_router(struct irq_router *r)
r->get = NULL;
r->set = NULL;
- DBG("PCI: Attempting to find IRQ router for %04x:%04x\n",
+ DBG(KERN_DEBUG "PCI: Attempting to find IRQ router for %04x:%04x\n",
rt->rtr_vendor, rt->rtr_device);
pirq_router_dev = pci_find_slot(rt->rtr_bus, rt->rtr_devfn);
if (!pirq_router_dev) {
- DBG("PCI: Interrupt router not found at %02x:%02x\n", rt->rtr_bus, rt->rtr_devfn);
+ DBG(KERN_DEBUG "PCI: Interrupt router not found at "
+ "%02x:%02x\n", rt->rtr_bus, rt->rtr_devfn);
return;
}
@@ -799,7 +805,7 @@ static int pcibios_lookup_irq(struct pci_dev *dev, int assign)
/* Find IRQ pin */
pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin);
if (!pin) {
- DBG(" -> no interrupt pin\n");
+ DBG(KERN_DEBUG " -> no interrupt pin\n");
return 0;
}
pin = pin - 1;
@@ -809,16 +815,16 @@ static int pcibios_lookup_irq(struct pci_dev *dev, int assign)
if (!pirq_table)
return 0;
- DBG("IRQ for %s[%c]", pci_name(dev), 'A' + pin);
+ DBG(KERN_DEBUG "IRQ for %s[%c]", pci_name(dev), 'A' + pin);
info = pirq_get_info(dev);
if (!info) {
- DBG(" -> not found in routing table\n");
+ DBG(" -> not found in routing table\n" KERN_DEBUG);
return 0;
}
pirq = info->irq[pin].link;
mask = info->irq[pin].bitmap;
if (!pirq) {
- DBG(" -> not routed\n");
+ DBG(" -> not routed\n" KERN_DEBUG);
return 0;
}
DBG(" -> PIRQ %02x, mask %04x, excl %04x", pirq, mask, pirq_table->exclusive_irqs);
@@ -846,9 +852,12 @@ static int pcibios_lookup_irq(struct pci_dev *dev, int assign)
* reported by the device if possible.
*/
newirq = dev->irq;
- if (!((1 << newirq) & mask)) {
+ if (newirq && !((1 << newirq) & mask)) {
if ( pci_probe & PCI_USE_PIRQ_MASK) newirq = 0;
- else printk(KERN_WARNING "PCI: IRQ %i for device %s doesn't match PIRQ mask - try pci=usepirqmask\n", newirq, pci_name(dev));
+ else printk("\n" KERN_WARNING
+ "PCI: IRQ %i for device %s doesn't match PIRQ mask "
+ "- try pci=usepirqmask\n" KERN_DEBUG, newirq,
+ pci_name(dev));
}
if (!newirq && assign) {
for (i = 0; i < 16; i++) {
@@ -923,14 +932,14 @@ static void __init pcibios_fixup_irqs(void)
struct pci_dev *dev = NULL;
u8 pin;
- DBG("PCI: IRQ fixup\n");
+ DBG(KERN_DEBUG "PCI: IRQ fixup\n");
while ((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) {
/*
* If the BIOS has set an out of range IRQ number, just ignore it.
* Also keep track of which IRQ's are already in use.
*/
if (dev->irq >= 16) {
- DBG("%s: ignoring bogus IRQ %d\n", pci_name(dev), dev->irq);
+ DBG(KERN_DEBUG "%s: ignoring bogus IRQ %d\n", pci_name(dev), dev->irq);
dev->irq = 0;
}
/* If the IRQ is already assigned to a PCI device, ignore its ISA use penalty */
@@ -1039,7 +1048,7 @@ static struct dmi_system_id __initdata pciirq_dmi_table[] = {
static int __init pcibios_irq_init(void)
{
- DBG("PCI: IRQ init\n");
+ DBG(KERN_DEBUG "PCI: IRQ init\n");
if (pcibios_enable_irq || raw_pci_ops == NULL)
return 0;
diff --git a/arch/i386/pci/mmconfig.c b/arch/i386/pci/mmconfig.c
index 4bb4d4b..0ee8a98 100644
--- a/arch/i386/pci/mmconfig.c
+++ b/arch/i386/pci/mmconfig.c
@@ -36,8 +36,7 @@ static u32 get_base_addr(unsigned int seg, int bus, unsigned devfn)
while (1) {
++cfg_num;
if (cfg_num >= pci_mmcfg_config_num) {
- /* Not found - fallback to type 1 */
- return 0;
+ break;
}
cfg = &pci_mmcfg_config[cfg_num];
if (cfg->pci_segment_group_number != seg)
@@ -46,6 +45,18 @@ static u32 get_base_addr(unsigned int seg, int bus, unsigned devfn)
(cfg->end_bus_number >= bus))
return cfg->base_address;
}
+
+ /* Handle more broken MCFG tables on Asus etc.
+ They only contain a single entry for bus 0-0. Assume
+ this applies to all busses. */
+ cfg = &pci_mmcfg_config[0];
+ if (pci_mmcfg_config_num == 1 &&
+ cfg->pci_segment_group_number == 0 &&
+ (cfg->start_bus_number | cfg->end_bus_number) == 0)
+ return cfg->base_address;
+
+ /* Fall back to type 0 */
+ return 0;
}
static inline void pci_exp_set_dev_base(unsigned int base, int bus, int devfn)
generated by cgit v1.1 at 2025-08-17 10:04:58 +0000