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-rw-r--r--arch/x86/pci/Makefile_321
-rw-r--r--arch/x86/pci/Makefile_642
-rw-r--r--arch/x86/pci/acpi.c1
-rw-r--r--arch/x86/pci/amd_bus.c (renamed from arch/x86/pci/k8-bus_64.c)32
-rw-r--r--arch/x86/pci/direct.c25
-rw-r--r--arch/x86/pci/i386.c4
-rw-r--r--arch/x86/pci/irq.c261
-rw-r--r--arch/x86/pci/mmconfig-shared.c2
-rw-r--r--arch/x86/pci/pci.h1
9 files changed, 181 insertions, 148 deletions
diff --git a/arch/x86/pci/Makefile_32 b/arch/x86/pci/Makefile_32
index 89ec35d00ef..f647e7e56da 100644
--- a/arch/x86/pci/Makefile_32
+++ b/arch/x86/pci/Makefile_32
@@ -22,3 +22,4 @@ pci-$(CONFIG_X86_NUMAQ) := numa.o irq.o
pci-$(CONFIG_NUMA) += mp_bus_to_node.o
obj-y += $(pci-y) common.o early.o
+obj-y += amd_bus.o
diff --git a/arch/x86/pci/Makefile_64 b/arch/x86/pci/Makefile_64
index 8fbd19832cf..fd47068c95d 100644
--- a/arch/x86/pci/Makefile_64
+++ b/arch/x86/pci/Makefile_64
@@ -13,5 +13,5 @@ obj-y += legacy.o irq.o common.o early.o
# mmconfig has a 64bit special
obj-$(CONFIG_PCI_MMCONFIG) += mmconfig_64.o direct.o mmconfig-shared.o
-obj-y += k8-bus_64.o
+obj-y += amd_bus.o
diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c
index d95de2f199c..464279da49c 100644
--- a/arch/x86/pci/acpi.c
+++ b/arch/x86/pci/acpi.c
@@ -218,7 +218,6 @@ struct pci_bus * __devinit pci_acpi_scan_root(struct acpi_device *device, int do
return bus;
}
-extern int pci_routeirq;
static int __init pci_acpi_init(void)
{
struct pci_dev *dev = NULL;
diff --git a/arch/x86/pci/k8-bus_64.c b/arch/x86/pci/amd_bus.c
index 5c2799c20e4..15f505d3a78 100644
--- a/arch/x86/pci/k8-bus_64.c
+++ b/arch/x86/pci/amd_bus.c
@@ -1,5 +1,9 @@
#include <linux/init.h>
#include <linux/pci.h>
+#include "pci.h"
+
+#ifdef CONFIG_X86_64
+
#include <asm/pci-direct.h>
#include <asm/mpspec.h>
#include <linux/cpumask.h>
@@ -526,3 +530,31 @@ static int __init early_fill_mp_bus_info(void)
}
postcore_initcall(early_fill_mp_bus_info);
+
+#endif
+
+/* common 32/64 bit code */
+
+#define ENABLE_CF8_EXT_CFG (1ULL << 46)
+
+static void enable_pci_io_ecs_per_cpu(void *unused)
+{
+ u64 reg;
+ rdmsrl(MSR_AMD64_NB_CFG, reg);
+ if (!(reg & ENABLE_CF8_EXT_CFG)) {
+ reg |= ENABLE_CF8_EXT_CFG;
+ wrmsrl(MSR_AMD64_NB_CFG, reg);
+ }
+}
+
+static int __init enable_pci_io_ecs(void)
+{
+ /* assume all cpus from fam10h have IO ECS */
+ if (boot_cpu_data.x86 < 0x10)
+ return 0;
+ on_each_cpu(enable_pci_io_ecs_per_cpu, NULL, 1, 1);
+ pci_probe |= PCI_HAS_IO_ECS;
+ return 0;
+}
+
+postcore_initcall(enable_pci_io_ecs);
diff --git a/arch/x86/pci/direct.c b/arch/x86/pci/direct.c
index 21d1e0e0d53..9915293500f 100644
--- a/arch/x86/pci/direct.c
+++ b/arch/x86/pci/direct.c
@@ -8,18 +8,21 @@
#include "pci.h"
/*
- * Functions for accessing PCI configuration space with type 1 accesses
+ * Functions for accessing PCI base (first 256 bytes) and extended
+ * (4096 bytes per PCI function) configuration space with type 1
+ * accesses.
*/
#define PCI_CONF1_ADDRESS(bus, devfn, reg) \
- (0x80000000 | (bus << 16) | (devfn << 8) | (reg & ~3))
+ (0x80000000 | ((reg & 0xF00) << 16) | (bus << 16) \
+ | (devfn << 8) | (reg & 0xFC))
static int pci_conf1_read(unsigned int seg, unsigned int bus,
unsigned int devfn, int reg, int len, u32 *value)
{
unsigned long flags;
- if ((bus > 255) || (devfn > 255) || (reg > 255)) {
+ if ((bus > 255) || (devfn > 255) || (reg > 4095)) {
*value = -1;
return -EINVAL;
}
@@ -50,7 +53,7 @@ static int pci_conf1_write(unsigned int seg, unsigned int bus,
{
unsigned long flags;
- if ((bus > 255) || (devfn > 255) || (reg > 255))
+ if ((bus > 255) || (devfn > 255) || (reg > 4095))
return -EINVAL;
spin_lock_irqsave(&pci_config_lock, flags);
@@ -260,10 +263,18 @@ void __init pci_direct_init(int type)
return;
printk(KERN_INFO "PCI: Using configuration type %d for base access\n",
type);
- if (type == 1)
+ if (type == 1) {
raw_pci_ops = &pci_direct_conf1;
- else
- raw_pci_ops = &pci_direct_conf2;
+ if (raw_pci_ext_ops)
+ return;
+ if (!(pci_probe & PCI_HAS_IO_ECS))
+ return;
+ printk(KERN_INFO "PCI: Using configuration type 1 "
+ "for extended access\n");
+ raw_pci_ext_ops = &pci_direct_conf1;
+ return;
+ }
+ raw_pci_ops = &pci_direct_conf2;
}
int __init pci_direct_probe(void)
diff --git a/arch/x86/pci/i386.c b/arch/x86/pci/i386.c
index 10fb308fded..6ccd7a108cd 100644
--- a/arch/x86/pci/i386.c
+++ b/arch/x86/pci/i386.c
@@ -299,9 +299,9 @@ int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
return -EINVAL;
prot = pgprot_val(vma->vm_page_prot);
- if (pat_wc_enabled && write_combine)
+ if (pat_enabled && write_combine)
prot |= _PAGE_CACHE_WC;
- else if (pat_wc_enabled || boot_cpu_data.x86 > 3)
+ else if (pat_enabled || boot_cpu_data.x86 > 3)
/*
* ioremap() and ioremap_nocache() defaults to UC MINUS for now.
* To avoid attribute conflicts, request UC MINUS here
diff --git a/arch/x86/pci/irq.c b/arch/x86/pci/irq.c
index ca8df9c260b..f0859de23e2 100644
--- a/arch/x86/pci/irq.c
+++ b/arch/x86/pci/irq.c
@@ -11,8 +11,8 @@
#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/dmi.h>
-#include <asm/io.h>
-#include <asm/smp.h>
+#include <linux/io.h>
+#include <linux/smp.h>
#include <asm/io_apic.h>
#include <linux/irq.h>
#include <linux/acpi.h>
@@ -61,7 +61,7 @@ void (*pcibios_disable_irq)(struct pci_dev *dev) = NULL;
* and perform checksum verification.
*/
-static inline struct irq_routing_table * pirq_check_routing_table(u8 *addr)
+static inline struct irq_routing_table *pirq_check_routing_table(u8 *addr)
{
struct irq_routing_table *rt;
int i;
@@ -74,7 +74,7 @@ static inline struct irq_routing_table * pirq_check_routing_table(u8 *addr)
rt->size < sizeof(struct irq_routing_table))
return NULL;
sum = 0;
- for (i=0; i < rt->size; i++)
+ for (i = 0; i < rt->size; i++)
sum += addr[i];
if (!sum) {
DBG(KERN_DEBUG "PCI: Interrupt Routing Table found at 0x%p\n", rt);
@@ -100,7 +100,7 @@ static struct irq_routing_table * __init pirq_find_routing_table(void)
return rt;
printk(KERN_WARNING "PCI: PIRQ table NOT found at pirqaddr\n");
}
- for(addr = (u8 *) __va(0xf0000); addr < (u8 *) __va(0x100000); addr += 16) {
+ for (addr = (u8 *) __va(0xf0000); addr < (u8 *) __va(0x100000); addr += 16) {
rt = pirq_check_routing_table(addr);
if (rt)
return rt;
@@ -122,20 +122,20 @@ static void __init pirq_peer_trick(void)
struct irq_info *e;
memset(busmap, 0, sizeof(busmap));
- for(i=0; i < (rt->size - sizeof(struct irq_routing_table)) / sizeof(struct irq_info); i++) {
+ for (i = 0; i < (rt->size - sizeof(struct irq_routing_table)) / sizeof(struct irq_info); i++) {
e = &rt->slots[i];
#ifdef DEBUG
{
int j;
DBG(KERN_DEBUG "%02x:%02x slot=%02x", e->bus, e->devfn/8, e->slot);
- for(j=0; j<4; j++)
+ for (j = 0; j < 4; j++)
DBG(" %d:%02x/%04x", j, e->irq[j].link, e->irq[j].bitmap);
DBG("\n");
}
#endif
busmap[e->bus] = 1;
}
- for(i = 1; i < 256; i++) {
+ for (i = 1; i < 256; i++) {
int node;
if (!busmap[i] || pci_find_bus(0, i))
continue;
@@ -285,7 +285,7 @@ static int pirq_ite_get(struct pci_dev *router, struct pci_dev *dev, int pirq)
static const unsigned char pirqmap[4] = { 1, 0, 2, 3 };
WARN_ON_ONCE(pirq > 4);
- return read_config_nybble(router,0x43, pirqmap[pirq-1]);
+ return read_config_nybble(router, 0x43, pirqmap[pirq-1]);
}
static int pirq_ite_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
@@ -314,7 +314,7 @@ static int pirq_opti_set(struct pci_dev *router, struct pci_dev *dev, int pirq,
/*
* Cyrix: nibble offset 0x5C
- * 0x5C bits 7:4 is INTB bits 3:0 is INTA
+ * 0x5C bits 7:4 is INTB bits 3:0 is INTA
* 0x5D bits 7:4 is INTD bits 3:0 is INTC
*/
static int pirq_cyrix_get(struct pci_dev *router, struct pci_dev *dev, int pirq)
@@ -350,7 +350,7 @@ static int pirq_cyrix_set(struct pci_dev *router, struct pci_dev *dev, int pirq,
* Apparently there are systems implementing PCI routing table using
* link values 0x01-0x04 and others using 0x41-0x44 for PCI INTA..D.
* We try our best to handle both link mappings.
- *
+ *
* Currently (2003-05-21) it appears most SiS chipsets follow the
* definition of routing registers from the SiS-5595 southbridge.
* According to the SiS 5595 datasheets the revision id's of the
@@ -370,7 +370,7 @@ static int pirq_cyrix_set(struct pci_dev *router, struct pci_dev *dev, int pirq,
*
* 0x62: USBIRQ:
* bit 6 OHCI function disabled (0), enabled (1)
- *
+ *
* 0x6a: ACPI/SCI IRQ: bits 4-6 reserved
*
* 0x7e: Data Acq. Module IRQ - bits 4-6 reserved
@@ -487,9 +487,7 @@ static int pirq_amd756_get(struct pci_dev *router, struct pci_dev *dev, int pirq
u8 irq;
irq = 0;
if (pirq <= 4)
- {
irq = read_config_nybble(router, 0x56, pirq - 1);
- }
printk(KERN_INFO "AMD756: dev %04x:%04x, router pirq : %d get irq : %2d\n",
dev->vendor, dev->device, pirq, irq);
return irq;
@@ -497,12 +495,10 @@ static int pirq_amd756_get(struct pci_dev *router, struct pci_dev *dev, int pirq
static int pirq_amd756_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
{
- printk(KERN_INFO "AMD756: dev %04x:%04x, router pirq : %d SET irq : %2d\n",
+ printk(KERN_INFO "AMD756: dev %04x:%04x, router pirq : %d SET irq : %2d\n",
dev->vendor, dev->device, pirq, irq);
if (pirq <= 4)
- {
write_config_nybble(router, 0x56, pirq - 1, irq);
- }
return 1;
}
@@ -549,50 +545,49 @@ static __init int intel_router_probe(struct irq_router *r, struct pci_dev *route
if (pci_dev_present(pirq_440gx))
return 0;
- switch(device)
- {
- case PCI_DEVICE_ID_INTEL_82371FB_0:
- case PCI_DEVICE_ID_INTEL_82371SB_0:
- case PCI_DEVICE_ID_INTEL_82371AB_0:
- case PCI_DEVICE_ID_INTEL_82371MX:
- case PCI_DEVICE_ID_INTEL_82443MX_0:
- case PCI_DEVICE_ID_INTEL_82801AA_0:
- case PCI_DEVICE_ID_INTEL_82801AB_0:
- case PCI_DEVICE_ID_INTEL_82801BA_0:
- case PCI_DEVICE_ID_INTEL_82801BA_10:
- case PCI_DEVICE_ID_INTEL_82801CA_0:
- case PCI_DEVICE_ID_INTEL_82801CA_12:
- case PCI_DEVICE_ID_INTEL_82801DB_0:
- case PCI_DEVICE_ID_INTEL_82801E_0:
- case PCI_DEVICE_ID_INTEL_82801EB_0:
- case PCI_DEVICE_ID_INTEL_ESB_1:
- case PCI_DEVICE_ID_INTEL_ICH6_0:
- case PCI_DEVICE_ID_INTEL_ICH6_1:
- case PCI_DEVICE_ID_INTEL_ICH7_0:
- case PCI_DEVICE_ID_INTEL_ICH7_1:
- 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:
- case PCI_DEVICE_ID_INTEL_ICH9_0:
- case PCI_DEVICE_ID_INTEL_ICH9_1:
- case PCI_DEVICE_ID_INTEL_ICH9_2:
- case PCI_DEVICE_ID_INTEL_ICH9_3:
- case PCI_DEVICE_ID_INTEL_ICH9_4:
- case PCI_DEVICE_ID_INTEL_ICH9_5:
- case PCI_DEVICE_ID_INTEL_TOLAPAI_0:
- case PCI_DEVICE_ID_INTEL_ICH10_0:
- case PCI_DEVICE_ID_INTEL_ICH10_1:
- case PCI_DEVICE_ID_INTEL_ICH10_2:
- case PCI_DEVICE_ID_INTEL_ICH10_3:
- r->name = "PIIX/ICH";
- r->get = pirq_piix_get;
- r->set = pirq_piix_set;
- return 1;
+ switch (device) {
+ case PCI_DEVICE_ID_INTEL_82371FB_0:
+ case PCI_DEVICE_ID_INTEL_82371SB_0:
+ case PCI_DEVICE_ID_INTEL_82371AB_0:
+ case PCI_DEVICE_ID_INTEL_82371MX:
+ case PCI_DEVICE_ID_INTEL_82443MX_0:
+ case PCI_DEVICE_ID_INTEL_82801AA_0:
+ case PCI_DEVICE_ID_INTEL_82801AB_0:
+ case PCI_DEVICE_ID_INTEL_82801BA_0:
+ case PCI_DEVICE_ID_INTEL_82801BA_10:
+ case PCI_DEVICE_ID_INTEL_82801CA_0:
+ case PCI_DEVICE_ID_INTEL_82801CA_12:
+ case PCI_DEVICE_ID_INTEL_82801DB_0:
+ case PCI_DEVICE_ID_INTEL_82801E_0:
+ case PCI_DEVICE_ID_INTEL_82801EB_0:
+ case PCI_DEVICE_ID_INTEL_ESB_1:
+ case PCI_DEVICE_ID_INTEL_ICH6_0:
+ case PCI_DEVICE_ID_INTEL_ICH6_1:
+ case PCI_DEVICE_ID_INTEL_ICH7_0:
+ case PCI_DEVICE_ID_INTEL_ICH7_1:
+ 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:
+ case PCI_DEVICE_ID_INTEL_ICH9_0:
+ case PCI_DEVICE_ID_INTEL_ICH9_1:
+ case PCI_DEVICE_ID_INTEL_ICH9_2:
+ case PCI_DEVICE_ID_INTEL_ICH9_3:
+ case PCI_DEVICE_ID_INTEL_ICH9_4:
+ case PCI_DEVICE_ID_INTEL_ICH9_5:
+ case PCI_DEVICE_ID_INTEL_TOLAPAI_0:
+ case PCI_DEVICE_ID_INTEL_ICH10_0:
+ case PCI_DEVICE_ID_INTEL_ICH10_1:
+ case PCI_DEVICE_ID_INTEL_ICH10_2:
+ case PCI_DEVICE_ID_INTEL_ICH10_3:
+ r->name = "PIIX/ICH";
+ r->get = pirq_piix_get;
+ r->set = pirq_piix_set;
+ return 1;
}
return 0;
}
@@ -606,7 +601,7 @@ static __init int via_router_probe(struct irq_router *r,
* workarounds for some buggy BIOSes
*/
if (device == PCI_DEVICE_ID_VIA_82C586_0) {
- switch(router->device) {
+ switch (router->device) {
case PCI_DEVICE_ID_VIA_82C686:
/*
* Asus k7m bios wrongly reports 82C686A
@@ -631,7 +626,7 @@ static __init int via_router_probe(struct irq_router *r,
}
}
- switch(device) {
+ switch (device) {
case PCI_DEVICE_ID_VIA_82C586_0:
r->name = "VIA";
r->get = pirq_via586_get;
@@ -654,13 +649,12 @@ static __init int via_router_probe(struct irq_router *r,
static __init int vlsi_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
{
- switch(device)
- {
- case PCI_DEVICE_ID_VLSI_82C534:
- r->name = "VLSI 82C534";
- r->get = pirq_vlsi_get;
- r->set = pirq_vlsi_set;
- return 1;
+ switch (device) {
+ case PCI_DEVICE_ID_VLSI_82C534:
+ r->name = "VLSI 82C534";
+ r->get = pirq_vlsi_get;
+ r->set = pirq_vlsi_set;
+ return 1;
}
return 0;
}
@@ -668,14 +662,13 @@ static __init int vlsi_router_probe(struct irq_router *r, struct pci_dev *router
static __init int serverworks_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
{
- switch(device)
- {
- case PCI_DEVICE_ID_SERVERWORKS_OSB4:
- case PCI_DEVICE_ID_SERVERWORKS_CSB5:
- r->name = "ServerWorks";
- r->get = pirq_serverworks_get;
- r->set = pirq_serverworks_set;
- return 1;
+ switch (device) {
+ case PCI_DEVICE_ID_SERVERWORKS_OSB4:
+ case PCI_DEVICE_ID_SERVERWORKS_CSB5:
+ r->name = "ServerWorks";
+ r->get = pirq_serverworks_get;
+ r->set = pirq_serverworks_set;
+ return 1;
}
return 0;
}
@@ -684,7 +677,7 @@ static __init int sis_router_probe(struct irq_router *r, struct pci_dev *router,
{
if (device != PCI_DEVICE_ID_SI_503)
return 0;
-
+
r->name = "SIS";
r->get = pirq_sis_get;
r->set = pirq_sis_set;
@@ -693,47 +686,43 @@ static __init int sis_router_probe(struct irq_router *r, struct pci_dev *router,
static __init int cyrix_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
{
- switch(device)
- {
- case PCI_DEVICE_ID_CYRIX_5520:
- r->name = "NatSemi";
- r->get = pirq_cyrix_get;
- r->set = pirq_cyrix_set;
- return 1;
+ switch (device) {
+ case PCI_DEVICE_ID_CYRIX_5520:
+ r->name = "NatSemi";
+ r->get = pirq_cyrix_get;
+ r->set = pirq_cyrix_set;
+ return 1;
}
return 0;
}
static __init int opti_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
{
- switch(device)
- {
- case PCI_DEVICE_ID_OPTI_82C700:
- r->name = "OPTI";
- r->get = pirq_opti_get;
- r->set = pirq_opti_set;
- return 1;
+ switch (device) {
+ case PCI_DEVICE_ID_OPTI_82C700:
+ r->name = "OPTI";
+ r->get = pirq_opti_get;
+ r->set = pirq_opti_set;
+ return 1;
}
return 0;
}
static __init int ite_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
{
- switch(device)
- {
- case PCI_DEVICE_ID_ITE_IT8330G_0:
- r->name = "ITE";
- r->get = pirq_ite_get;
- r->set = pirq_ite_set;
- return 1;
+ switch (device) {
+ case PCI_DEVICE_ID_ITE_IT8330G_0:
+ r->name = "ITE";
+ r->get = pirq_ite_get;
+ r->set = pirq_ite_set;
+ return 1;
}
return 0;
}
static __init int ali_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
{
- switch(device)
- {
+ switch (device) {
case PCI_DEVICE_ID_AL_M1533:
case PCI_DEVICE_ID_AL_M1563:
printk(KERN_DEBUG "PCI: Using ALI IRQ Router\n");
@@ -747,25 +736,24 @@ static __init int ali_router_probe(struct irq_router *r, struct pci_dev *router,
static __init int amd_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
{
- switch(device)
- {
- case PCI_DEVICE_ID_AMD_VIPER_740B:
- r->name = "AMD756";
- break;
- case PCI_DEVICE_ID_AMD_VIPER_7413:
- r->name = "AMD766";
- break;
- case PCI_DEVICE_ID_AMD_VIPER_7443:
- r->name = "AMD768";
- break;
- default:
- return 0;
+ switch (device) {
+ case PCI_DEVICE_ID_AMD_VIPER_740B:
+ r->name = "AMD756";
+ break;
+ case PCI_DEVICE_ID_AMD_VIPER_7413:
+ r->name = "AMD766";
+ break;
+ case PCI_DEVICE_ID_AMD_VIPER_7443:
+ r->name = "AMD768";
+ break;
+ default:
+ return 0;
}
r->get = pirq_amd756_get;
r->set = pirq_amd756_set;
return 1;
}
-
+
static __init int pico_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
{
switch (device) {
@@ -807,7 +795,7 @@ static struct pci_dev *pirq_router_dev;
* FIXME: should we have an option to say "generic for
* chipset" ?
*/
-
+
static void __init pirq_find_router(struct irq_router *r)
{
struct irq_routing_table *rt = pirq_table;
@@ -826,7 +814,7 @@ static void __init pirq_find_router(struct irq_router *r)
r->name = "default";
r->get = NULL;
r->set = NULL;
-
+
DBG(KERN_DEBUG "PCI: Attempting to find IRQ router for %04x:%04x\n",
rt->rtr_vendor, rt->rtr_device);
@@ -837,7 +825,7 @@ static void __init pirq_find_router(struct irq_router *r)
return;
}
- for( h = pirq_routers; h->vendor; h++) {
+ for (h = pirq_routers; h->vendor; h++) {
/* First look for a router match */
if (rt->rtr_vendor == h->vendor && h->probe(r, pirq_router_dev, rt->rtr_device))
break;
@@ -889,7 +877,7 @@ static int pcibios_lookup_irq(struct pci_dev *dev, int assign)
if (!pirq_table)
return 0;
-
+
DBG(KERN_DEBUG "IRQ for %s[%c]", pci_name(dev), 'A' + pin);
info = pirq_get_info(dev);
if (!info) {
@@ -928,8 +916,10 @@ static int pcibios_lookup_irq(struct pci_dev *dev, int assign)
*/
newirq = dev->irq;
if (newirq && !((1 << newirq) & mask)) {
- if ( pci_probe & PCI_USE_PIRQ_MASK) newirq = 0;
- else printk("\n" KERN_WARNING
+ if (pci_probe & PCI_USE_PIRQ_MASK)
+ newirq = 0;
+ 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));
@@ -949,8 +939,8 @@ static int pcibios_lookup_irq(struct pci_dev *dev, int assign)
irq = pirq & 0xf;
DBG(" -> hardcoded IRQ %d\n", irq);
msg = "Hardcoded";
- } else if ( r->get && (irq = r->get(pirq_router_dev, dev, pirq)) && \
- ((!(pci_probe & PCI_USE_PIRQ_MASK)) || ((1 << irq) & mask)) ) {
+ } else if (r->get && (irq = r->get(pirq_router_dev, dev, pirq)) && \
+ ((!(pci_probe & PCI_USE_PIRQ_MASK)) || ((1 << irq) & mask))) {
DBG(" -> got IRQ %d\n", irq);
msg = "Found";
eisa_set_level_irq(irq);
@@ -985,15 +975,15 @@ static int pcibios_lookup_irq(struct pci_dev *dev, int assign)
continue;
if (info->irq[pin].link == pirq) {
/* We refuse to override the dev->irq information. Give a warning! */
- if ( dev2->irq && dev2->irq != irq && \
+ if (dev2->irq && dev2->irq != irq && \
(!(pci_probe & PCI_USE_PIRQ_MASK) || \
- ((1 << dev2->irq) & mask)) ) {
+ ((1 << dev2->irq) & mask))) {
#ifndef CONFIG_PCI_MSI
- printk(KERN_INFO "IRQ routing conflict for %s, have irq %d, want irq %d\n",
+ printk(KERN_INFO "IRQ routing conflict for %s, have irq %d, want irq %d\n",
pci_name(dev2), dev2->irq, irq);
#endif
- continue;
- }
+ continue;
+ }
dev2->irq = irq;
pirq_penalty[irq]++;
if (dev != dev2)
@@ -1031,8 +1021,7 @@ static void __init pcibios_fixup_irqs(void)
/*
* Recalculate IRQ numbers if we use the I/O APIC.
*/
- if (io_apic_assign_pci_irqs)
- {
+ if (io_apic_assign_pci_irqs) {
int irq;
if (pin) {
@@ -1045,10 +1034,10 @@ static void __init pcibios_fixup_irqs(void)
* busses itself so we should get into this branch reliably.
*/
if (irq < 0 && dev->bus->parent) { /* go back to the bridge */
- struct pci_dev * bridge = dev->bus->self;
+ struct pci_dev *bridge = dev->bus->self;
pin = (pin + PCI_SLOT(dev->devfn)) % 4;
- irq = IO_APIC_get_PCI_irq_vector(bridge->bus->number,
+ irq = IO_APIC_get_PCI_irq_vector(bridge->bus->number,
PCI_SLOT(bridge->devfn), pin);
if (irq >= 0)
printk(KERN_WARNING "PCI: using PPB %s[%c] to get irq %d\n",
@@ -1138,7 +1127,7 @@ static int __init pcibios_irq_init(void)
pirq_find_router(&pirq_router);
if (pirq_table->exclusive_irqs) {
int i;
- for (i=0; i<16; i++)
+ for (i = 0; i < 16; i++)
if (!(pirq_table->exclusive_irqs & (1 << i)))
pirq_penalty[i] += 100;
}
@@ -1203,10 +1192,10 @@ static int pirq_enable_irq(struct pci_dev *dev)
*/
temp_dev = dev;
while (irq < 0 && dev->bus->parent) { /* go back to the bridge */
- struct pci_dev * bridge = dev->bus->self;
+ struct pci_dev *bridge = dev->bus->self;
pin = (pin + PCI_SLOT(dev->devfn)) % 4;
- irq = IO_APIC_get_PCI_irq_vector(bridge->bus->number,
+ irq = IO_APIC_get_PCI_irq_vector(bridge->bus->number,
PCI_SLOT(bridge->devfn), pin);
if (irq >= 0)
printk(KERN_WARNING "PCI: using PPB %s[%c] to get irq %d\n",
diff --git a/arch/x86/pci/mmconfig-shared.c b/arch/x86/pci/mmconfig-shared.c
index 0cfebecf2a8..23faaa890ff 100644
--- a/arch/x86/pci/mmconfig-shared.c
+++ b/arch/x86/pci/mmconfig-shared.c
@@ -374,7 +374,7 @@ reject:
static int __initdata known_bridge;
-void __init __pci_mmcfg_init(int early)
+static void __init __pci_mmcfg_init(int early)
{
/* MMCONFIG disabled */
if ((pci_probe & PCI_PROBE_MMCONF) == 0)
diff --git a/arch/x86/pci/pci.h b/arch/x86/pci/pci.h
index 720c4c55453..ba263e626a6 100644
--- a/arch/x86/pci/pci.h
+++ b/arch/x86/pci/pci.h
@@ -27,6 +27,7 @@
#define PCI_CAN_SKIP_ISA_ALIGN 0x8000
#define PCI_USE__CRS 0x10000
#define PCI_CHECK_ENABLE_AMD_MMCONF 0x20000
+#define PCI_HAS_IO_ECS 0x40000
extern unsigned int pci_probe;
extern unsigned long pirq_table_addr;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-27 21:27:16 +0000