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-rw-r--r--arch/x86/pci/Makefile_3212
-rw-r--r--arch/x86/pci/acpi.c41
-rw-r--r--arch/x86/pci/common.c77
-rw-r--r--arch/x86/pci/fixup.c2
-rw-r--r--arch/x86/pci/i386.c4
-rw-r--r--arch/x86/pci/init.c7
-rw-r--r--arch/x86/pci/irq.c7
-rw-r--r--arch/x86/pci/k8-bus_64.c8
-rw-r--r--arch/x86/pci/olpc.c5
-rw-r--r--arch/x86/pci/pci.h5
10 files changed, 87 insertions, 81 deletions
diff --git a/arch/x86/pci/Makefile_32 b/arch/x86/pci/Makefile_32
index 7fa5198..89ec35d 100644
--- a/arch/x86/pci/Makefile_32
+++ b/arch/x86/pci/Makefile_32
@@ -6,11 +6,19 @@ obj-$(CONFIG_PCI_DIRECT) += direct.o
obj-$(CONFIG_PCI_OLPC) += olpc.o
pci-y := fixup.o
+
+# Do not change the ordering here. There is a nasty init function
+# ordering dependency which breaks when you move acpi.o below
+# legacy/irq.o
pci-$(CONFIG_ACPI) += acpi.o
pci-y += legacy.o irq.o
-pci-$(CONFIG_X86_VISWS) += visws.o fixup.o
-pci-$(CONFIG_X86_NUMAQ) += numa.o irq.o
+# Careful: VISWS and NUMAQ overrule the pci-y above. The colons are
+# therefor correct. This needs a proper fix by distangling the code.
+pci-$(CONFIG_X86_VISWS) := visws.o fixup.o
+pci-$(CONFIG_X86_NUMAQ) := numa.o irq.o
+
+# Necessary for NUMAQ as well
pci-$(CONFIG_NUMA) += mp_bus_to_node.o
obj-y += $(pci-y) common.o early.o
diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c
index 1a9c0c6..d95de2f 100644
--- a/arch/x86/pci/acpi.c
+++ b/arch/x86/pci/acpi.c
@@ -6,45 +6,6 @@
#include <asm/numa.h>
#include "pci.h"
-static int __devinit can_skip_ioresource_align(const struct dmi_system_id *d)
-{
- pci_probe |= PCI_CAN_SKIP_ISA_ALIGN;
- printk(KERN_INFO "PCI: %s detected, can skip ISA alignment\n", d->ident);
- return 0;
-}
-
-static struct dmi_system_id acpi_pciprobe_dmi_table[] __devinitdata = {
-/*
- * Systems where PCI IO resource ISA alignment can be skipped
- * when the ISA enable bit in the bridge control is not set
- */
- {
- .callback = can_skip_ioresource_align,
- .ident = "IBM System x3800",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
- DMI_MATCH(DMI_PRODUCT_NAME, "x3800"),
- },
- },
- {
- .callback = can_skip_ioresource_align,
- .ident = "IBM System x3850",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
- DMI_MATCH(DMI_PRODUCT_NAME, "x3850"),
- },
- },
- {
- .callback = can_skip_ioresource_align,
- .ident = "IBM System x3950",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
- DMI_MATCH(DMI_PRODUCT_NAME, "x3950"),
- },
- },
- {}
-};
-
struct pci_root_info {
char *name;
unsigned int res_num;
@@ -196,8 +157,6 @@ struct pci_bus * __devinit pci_acpi_scan_root(struct acpi_device *device, int do
int pxm;
#endif
- dmi_check_system(acpi_pciprobe_dmi_table);
-
if (domain && !pci_domains_supported) {
printk(KERN_WARNING "PCI: Multiple domains not supported "
"(dom %d, bus %d)\n", domain, busnum);
diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c
index 2a4d751..6e64aaf 100644
--- a/arch/x86/pci/common.c
+++ b/arch/x86/pci/common.c
@@ -77,17 +77,48 @@ int pcibios_scanned;
*/
DEFINE_SPINLOCK(pci_config_lock);
-static void __devinit pcibios_fixup_device_resources(struct pci_dev *dev)
+static int __devinit can_skip_ioresource_align(const struct dmi_system_id *d)
{
- struct resource *rom_r = &dev->resource[PCI_ROM_RESOURCE];
-
- if (rom_r->parent)
- return;
- if (rom_r->start)
- /* we deal with BIOS assigned ROM later */
- return;
- if (!(pci_probe & PCI_ASSIGN_ROMS))
- rom_r->start = rom_r->end = rom_r->flags = 0;
+ pci_probe |= PCI_CAN_SKIP_ISA_ALIGN;
+ printk(KERN_INFO "PCI: %s detected, can skip ISA alignment\n", d->ident);
+ return 0;
+}
+
+static struct dmi_system_id can_skip_pciprobe_dmi_table[] __devinitdata = {
+/*
+ * Systems where PCI IO resource ISA alignment can be skipped
+ * when the ISA enable bit in the bridge control is not set
+ */
+ {
+ .callback = can_skip_ioresource_align,
+ .ident = "IBM System x3800",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "x3800"),
+ },
+ },
+ {
+ .callback = can_skip_ioresource_align,
+ .ident = "IBM System x3850",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "x3850"),
+ },
+ },
+ {
+ .callback = can_skip_ioresource_align,
+ .ident = "IBM System x3950",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "x3950"),
+ },
+ },
+ {}
+};
+
+void __init dmi_check_skip_isa_align(void)
+{
+ dmi_check_system(can_skip_pciprobe_dmi_table);
}
/*
@@ -97,11 +128,7 @@ static void __devinit pcibios_fixup_device_resources(struct pci_dev *dev)
void __devinit pcibios_fixup_bus(struct pci_bus *b)
{
- struct pci_dev *dev;
-
pci_read_bridge_bases(b);
- list_for_each_entry(dev, &b->devices, bus_list)
- pcibios_fixup_device_resources(dev);
}
/*
@@ -275,18 +302,18 @@ static struct dmi_system_id __devinitdata pciprobe_dmi_table[] = {
},
{
.callback = set_bf_sort,
- .ident = "HP ProLiant DL385 G2",
+ .ident = "HP ProLiant DL360",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "HP"),
- DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant DL385 G2"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant DL360"),
},
},
{
.callback = set_bf_sort,
- .ident = "HP ProLiant DL585 G2",
+ .ident = "HP ProLiant DL380",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "HP"),
- DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant DL585 G2"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant DL380"),
},
},
#ifdef __i386__
@@ -318,13 +345,16 @@ static struct dmi_system_id __devinitdata pciprobe_dmi_table[] = {
{}
};
+void __init dmi_check_pciprobe(void)
+{
+ dmi_check_system(pciprobe_dmi_table);
+}
+
struct pci_bus * __devinit pcibios_scan_root(int busnum)
{
struct pci_bus *bus = NULL;
struct pci_sysdata *sd;
- dmi_check_system(pciprobe_dmi_table);
-
while ((bus = pci_find_next_bus(bus)) != NULL) {
if (bus->number == busnum) {
/* Already scanned */
@@ -462,6 +492,9 @@ char * __devinit pcibios_setup(char *str)
} else if (!strcmp(str, "routeirq")) {
pci_routeirq = 1;
return NULL;
+ } else if (!strcmp(str, "skip_isa_align")) {
+ pci_probe |= PCI_CAN_SKIP_ISA_ALIGN;
+ return NULL;
}
return str;
}
@@ -489,7 +522,7 @@ void pcibios_disable_device (struct pci_dev *dev)
pcibios_disable_irq(dev);
}
-struct pci_bus *pci_scan_bus_on_node(int busno, struct pci_ops *ops, int node)
+struct pci_bus * __devinit pci_scan_bus_on_node(int busno, struct pci_ops *ops, int node)
{
struct pci_bus *bus = NULL;
struct pci_sysdata *sd;
@@ -512,7 +545,7 @@ struct pci_bus *pci_scan_bus_on_node(int busno, struct pci_ops *ops, int node)
return bus;
}
-struct pci_bus *pci_scan_bus_with_sysdata(int busno)
+struct pci_bus * __devinit pci_scan_bus_with_sysdata(int busno)
{
return pci_scan_bus_on_node(busno, &pci_root_ops, -1);
}
diff --git a/arch/x86/pci/fixup.c b/arch/x86/pci/fixup.c
index b60b2ab..ff3a6a3 100644
--- a/arch/x86/pci/fixup.c
+++ b/arch/x86/pci/fixup.c
@@ -502,7 +502,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_SIEMENS, 0x0015,
*/
static void fam10h_pci_cfg_space_size(struct pci_dev *dev)
{
- dev->cfg_size = pci_cfg_space_size_ext(dev, 0);
+ dev->cfg_size = pci_cfg_space_size_ext(dev);
}
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AMD, 0x1200, fam10h_pci_cfg_space_size);
diff --git a/arch/x86/pci/i386.c b/arch/x86/pci/i386.c
index 8af0f0b..10fb308 100644
--- a/arch/x86/pci/i386.c
+++ b/arch/x86/pci/i386.c
@@ -301,15 +301,13 @@ int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
prot = pgprot_val(vma->vm_page_prot);
if (pat_wc_enabled && write_combine)
prot |= _PAGE_CACHE_WC;
- else if (pat_wc_enabled)
+ else if (pat_wc_enabled || boot_cpu_data.x86 > 3)
/*
* ioremap() and ioremap_nocache() defaults to UC MINUS for now.
* To avoid attribute conflicts, request UC MINUS here
* aswell.
*/
prot |= _PAGE_CACHE_UC_MINUS;
- else if (boot_cpu_data.x86 > 3)
- prot |= _PAGE_CACHE_UC;
vma->vm_page_prot = __pgprot(prot);
diff --git a/arch/x86/pci/init.c b/arch/x86/pci/init.c
index dd30c60..b821f44 100644
--- a/arch/x86/pci/init.c
+++ b/arch/x86/pci/init.c
@@ -15,7 +15,8 @@ static __init int pci_access_init(void)
pci_mmcfg_early_init();
#ifdef CONFIG_PCI_OLPC
- pci_olpc_init();
+ if (!pci_olpc_init())
+ return 0; /* skip additional checks if it's an XO */
#endif
#ifdef CONFIG_PCI_BIOS
pci_pcbios_init();
@@ -33,6 +34,10 @@ static __init int pci_access_init(void)
printk(KERN_ERR
"PCI: Fatal: No config space access function found\n");
+ dmi_check_pciprobe();
+
+ dmi_check_skip_isa_align();
+
return 0;
}
arch_initcall(pci_access_init);
diff --git a/arch/x86/pci/irq.c b/arch/x86/pci/irq.c
index 0908fca..ca8df9c 100644
--- a/arch/x86/pci/irq.c
+++ b/arch/x86/pci/irq.c
@@ -621,6 +621,13 @@ static __init int via_router_probe(struct irq_router *r,
*/
device = PCI_DEVICE_ID_VIA_8235;
break;
+ case PCI_DEVICE_ID_VIA_8237:
+ /**
+ * Asus a7v600 bios wrongly reports 8237
+ * as 586-compatible
+ */
+ device = PCI_DEVICE_ID_VIA_8237;
+ break;
}
}
diff --git a/arch/x86/pci/k8-bus_64.c b/arch/x86/pci/k8-bus_64.c
index ab6d4b1..5c2799c 100644
--- a/arch/x86/pci/k8-bus_64.c
+++ b/arch/x86/pci/k8-bus_64.c
@@ -504,14 +504,6 @@ static int __init early_fill_mp_bus_info(void)
}
}
-#ifdef CONFIG_NUMA
- for (i = 0; i < BUS_NR; i++) {
- node = mp_bus_to_node[i];
- if (node >= 0)
- printk(KERN_DEBUG "bus: %02x to node: %02x\n", i, node);
- }
-#endif
-
for (i = 0; i < pci_root_num; i++) {
int res_num;
int busnum;
diff --git a/arch/x86/pci/olpc.c b/arch/x86/pci/olpc.c
index 5e76365..e11e9e8 100644
--- a/arch/x86/pci/olpc.c
+++ b/arch/x86/pci/olpc.c
@@ -302,12 +302,13 @@ static struct pci_raw_ops pci_olpc_conf = {
.write = pci_olpc_write,
};
-void __init pci_olpc_init(void)
+int __init pci_olpc_init(void)
{
if (!machine_is_olpc() || olpc_has_vsa())
- return;
+ return -ENODEV;
printk(KERN_INFO "PCI: Using configuration type OLPC\n");
raw_pci_ops = &pci_olpc_conf;
is_lx = is_geode_lx();
+ return 0;
}
diff --git a/arch/x86/pci/pci.h b/arch/x86/pci/pci.h
index c58805a..720c4c5 100644
--- a/arch/x86/pci/pci.h
+++ b/arch/x86/pci/pci.h
@@ -38,6 +38,9 @@ enum pci_bf_sort_state {
pci_dmi_bf,
};
+extern void __init dmi_check_pciprobe(void);
+extern void __init dmi_check_skip_isa_align(void);
+
/* pci-i386.c */
extern unsigned int pcibios_max_latency;
@@ -98,7 +101,7 @@ extern struct pci_raw_ops pci_direct_conf1;
extern int pci_direct_probe(void);
extern void pci_direct_init(int type);
extern void pci_pcbios_init(void);
-extern void pci_olpc_init(void);
+extern int pci_olpc_init(void);
/* pci-mmconfig.c */