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-rw-r--r--arch/x86/pci/Makefile22
-rw-r--r--arch/x86/pci/Makefile_3224
-rw-r--r--arch/x86/pci/Makefile_6417
-rw-r--r--arch/x86/pci/acpi.c21
-rw-r--r--arch/x86/pci/amd_bus.c (renamed from arch/x86/pci/k8-bus_64.c)108
-rw-r--r--arch/x86/pci/common.c4
-rw-r--r--arch/x86/pci/direct.c25
-rw-r--r--arch/x86/pci/i386.c8
-rw-r--r--arch/x86/pci/init.c4
-rw-r--r--arch/x86/pci/irq.c143
-rw-r--r--arch/x86/pci/legacy.c16
-rw-r--r--arch/x86/pci/mmconfig-shared.c2
-rw-r--r--arch/x86/pci/mp_bus_to_node.c23
-rw-r--r--arch/x86/pci/numa.c33
-rw-r--r--arch/x86/pci/pci.h15
-rw-r--r--arch/x86/pci/visws.c28
16 files changed, 239 insertions, 254 deletions
diff --git a/arch/x86/pci/Makefile b/arch/x86/pci/Makefile
index c5c8e485fc4..e515e8db842 100644
--- a/arch/x86/pci/Makefile
+++ b/arch/x86/pci/Makefile
@@ -1,5 +1,17 @@
-ifeq ($(CONFIG_X86_32),y)
-include ${srctree}/arch/x86/pci/Makefile_32
-else
-include ${srctree}/arch/x86/pci/Makefile_64
-endif
+obj-y := i386.o init.o
+
+obj-$(CONFIG_PCI_BIOS) += pcbios.o
+obj-$(CONFIG_PCI_MMCONFIG) += mmconfig_$(BITS).o direct.o mmconfig-shared.o
+obj-$(CONFIG_PCI_DIRECT) += direct.o
+obj-$(CONFIG_PCI_OLPC) += olpc.o
+
+pci-y := fixup.o
+pci-$(CONFIG_ACPI) += acpi.o
+pci-y += legacy.o irq.o
+
+pci-$(CONFIG_X86_VISWS) += visws.o
+
+pci-$(CONFIG_X86_NUMAQ) += numa.o
+
+obj-y += $(pci-y) common.o early.o
+obj-y += amd_bus.o
diff --git a/arch/x86/pci/Makefile_32 b/arch/x86/pci/Makefile_32
deleted file mode 100644
index 89ec35d00ef..00000000000
--- a/arch/x86/pci/Makefile_32
+++ /dev/null
@@ -1,24 +0,0 @@
-obj-y := i386.o init.o
-
-obj-$(CONFIG_PCI_BIOS) += pcbios.o
-obj-$(CONFIG_PCI_MMCONFIG) += mmconfig_32.o direct.o mmconfig-shared.o
-obj-$(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
-
-# 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 += $(pci-y) common.o early.o
diff --git a/arch/x86/pci/Makefile_64 b/arch/x86/pci/Makefile_64
deleted file mode 100644
index 8fbd19832cf..00000000000
--- a/arch/x86/pci/Makefile_64
+++ /dev/null
@@ -1,17 +0,0 @@
-#
-# Makefile for X86_64 specific PCI routines
-#
-# Reuse the i386 PCI subsystem
-#
-EXTRA_CFLAGS += -Iarch/x86/pci
-
-obj-y := i386.o
-obj-$(CONFIG_PCI_DIRECT)+= direct.o
-obj-y += fixup.o init.o
-obj-$(CONFIG_ACPI) += acpi.o
-obj-y += legacy.o irq.o common.o early.o
-# mmconfig has a 64bit special
-obj-$(CONFIG_PCI_MMCONFIG) += mmconfig_64.o direct.o mmconfig-shared.o
-
-obj-y += k8-bus_64.o
-
diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c
index d95de2f199c..19af06927fb 100644
--- a/arch/x86/pci/acpi.c
+++ b/arch/x86/pci/acpi.c
@@ -171,8 +171,11 @@ struct pci_bus * __devinit pci_acpi_scan_root(struct acpi_device *device, int do
if (node != -1)
set_mp_bus_to_node(busnum, node);
else
- node = get_mp_bus_to_node(busnum);
#endif
+ node = get_mp_bus_to_node(busnum);
+
+ if (node != -1 && !node_online(node))
+ node = -1;
/* Allocate per-root-bus (not per bus) arch-specific data.
* TODO: leak; this memory is never freed.
@@ -204,22 +207,23 @@ struct pci_bus * __devinit pci_acpi_scan_root(struct acpi_device *device, int do
if (!bus)
kfree(sd);
+ if (bus && node != -1) {
#ifdef CONFIG_ACPI_NUMA
- if (bus) {
- if (pxm >= 0) {
+ if (pxm >= 0)
printk(KERN_DEBUG "bus %02x -> pxm %d -> node %d\n",
- busnum, pxm, pxm_to_node(pxm));
- }
- }
+ busnum, pxm, node);
+#else
+ printk(KERN_DEBUG "bus %02x -> node %d\n",
+ busnum, node);
#endif
+ }
if (bus && (pci_probe & PCI_USE__CRS))
get_current_resources(device, busnum, domain, bus);
return bus;
}
-extern int pci_routeirq;
-static int __init pci_acpi_init(void)
+int __init pci_acpi_init(void)
{
struct pci_dev *dev = NULL;
@@ -253,4 +257,3 @@ static int __init pci_acpi_init(void)
return 0;
}
-subsys_initcall(pci_acpi_init);
diff --git a/arch/x86/pci/k8-bus_64.c b/arch/x86/pci/amd_bus.c
index 5c2799c20e4..dbf53236971 100644
--- a/arch/x86/pci/k8-bus_64.c
+++ b/arch/x86/pci/amd_bus.c
@@ -1,40 +1,25 @@
#include <linux/init.h>
#include <linux/pci.h>
+#include <linux/topology.h>
+#include "pci.h"
+
+#ifdef CONFIG_X86_64
#include <asm/pci-direct.h>
#include <asm/mpspec.h>
#include <linux/cpumask.h>
-#include <linux/topology.h>
+#endif
/*
* This discovers the pcibus <-> node mapping on AMD K8.
* also get peer root bus resource for io,mmio
*/
-
-/*
- * sub bus (transparent) will use entres from 3 to store extra from root,
- * so need to make sure have enought slot there, increase PCI_BUS_NUM_RESOURCES?
- */
-#define RES_NUM 16
-struct pci_root_info {
- char name[12];
- unsigned int res_num;
- struct resource res[RES_NUM];
- int bus_min;
- int bus_max;
- int node;
- int link;
-};
-
-/* 4 at this time, it may become to 32 */
-#define PCI_ROOT_NR 4
-static int pci_root_num;
-static struct pci_root_info pci_root_info[PCI_ROOT_NR];
-
#ifdef CONFIG_NUMA
#define BUS_NR 256
+#ifdef CONFIG_X86_64
+
static int mp_bus_to_node[BUS_NR];
void set_mp_bus_to_node(int busnum, int node)
@@ -61,7 +46,52 @@ int get_mp_bus_to_node(int busnum)
return node;
}
-#endif
+
+#else /* CONFIG_X86_32 */
+
+static unsigned char mp_bus_to_node[BUS_NR];
+
+void set_mp_bus_to_node(int busnum, int node)
+{
+ if (busnum >= 0 && busnum < BUS_NR)
+ mp_bus_to_node[busnum] = (unsigned char) node;
+}
+
+int get_mp_bus_to_node(int busnum)
+{
+ int node;
+
+ if (busnum < 0 || busnum > (BUS_NR - 1))
+ return 0;
+ node = mp_bus_to_node[busnum];
+ return node;
+}
+
+#endif /* CONFIG_X86_32 */
+
+#endif /* CONFIG_NUMA */
+
+#ifdef CONFIG_X86_64
+
+/*
+ * sub bus (transparent) will use entres from 3 to store extra from root,
+ * so need to make sure have enought slot there, increase PCI_BUS_NUM_RESOURCES?
+ */
+#define RES_NUM 16
+struct pci_root_info {
+ char name[12];
+ unsigned int res_num;
+ struct resource res[RES_NUM];
+ int bus_min;
+ int bus_max;
+ int node;
+ int link;
+};
+
+/* 4 at this time, it may become to 32 */
+#define PCI_ROOT_NR 4
+static int pci_root_num;
+static struct pci_root_info pci_root_info[PCI_ROOT_NR];
void set_pci_bus_resources_arch_default(struct pci_bus *b)
{
@@ -384,7 +414,7 @@ static int __init early_fill_mp_bus_info(void)
/* need to take out [0, TOM) for RAM*/
address = MSR_K8_TOP_MEM1;
rdmsrl(address, val);
- end = (val & 0xffffff8000000ULL);
+ end = (val & 0xffffff800000ULL);
printk(KERN_INFO "TOM: %016lx aka %ldM\n", end, end>>20);
if (end < (1ULL<<32))
update_range(range, 0, end - 1);
@@ -478,7 +508,7 @@ static int __init early_fill_mp_bus_info(void)
/* TOP_MEM2 */
address = MSR_K8_TOP_MEM2;
rdmsrl(address, val);
- end = (val & 0xffffff8000000ULL);
+ end = (val & 0xffffff800000ULL);
printk(KERN_INFO "TOM2: %016lx aka %ldM\n", end, end>>20);
update_range(range, 1ULL<<32, end - 1);
}
@@ -526,3 +556,31 @@ 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);
+ pci_probe |= PCI_HAS_IO_ECS;
+ return 0;
+}
+
+postcore_initcall(enable_pci_io_ecs);
diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c
index 86aff81a082..b67732bbb85 100644
--- a/arch/x86/pci/common.c
+++ b/arch/x86/pci/common.c
@@ -404,7 +404,7 @@ struct pci_bus * __devinit pcibios_scan_root(int busnum)
extern u8 pci_cache_line_size;
-static int __init pcibios_init(void)
+int __init pcibios_init(void)
{
struct cpuinfo_x86 *c = &boot_cpu_data;
@@ -431,8 +431,6 @@ static int __init pcibios_init(void)
return 0;
}
-subsys_initcall(pcibios_init);
-
char * __devinit pcibios_setup(char *str)
{
if (!strcmp(str, "off")) {
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..2aafb67dc5f 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
@@ -334,7 +334,9 @@ int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
flags = new_flags;
}
- if (vma->vm_pgoff <= max_pfn_mapped &&
+ if (((vma->vm_pgoff < max_low_pfn_mapped) ||
+ (vma->vm_pgoff >= (1UL<<(32 - PAGE_SHIFT)) &&
+ vma->vm_pgoff < max_pfn_mapped)) &&
ioremap_change_attr((unsigned long)__va(addr), len, flags)) {
free_memtype(addr, addr + len);
return -EINVAL;
diff --git a/arch/x86/pci/init.c b/arch/x86/pci/init.c
index b821f4462d9..d6c950f8185 100644
--- a/arch/x86/pci/init.c
+++ b/arch/x86/pci/init.c
@@ -4,7 +4,7 @@
/* arch_initcall has too random ordering, so call the initializers
in the right sequence from here. */
-static __init int pci_access_init(void)
+static __init int pci_arch_init(void)
{
#ifdef CONFIG_PCI_DIRECT
int type = 0;
@@ -40,4 +40,4 @@ static __init int pci_access_init(void)
return 0;
}
-arch_initcall(pci_access_init);
+arch_initcall(pci_arch_init);
diff --git a/arch/x86/pci/irq.c b/arch/x86/pci/irq.c
index c422e10337b..6a06a2eb059 100644
--- a/arch/x86/pci/irq.c
+++ b/arch/x86/pci/irq.c
@@ -102,8 +102,7 @@ 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;
@@ -125,17 +124,14 @@ 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);
+ 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(" %d:%02x/%04x", j, e->irq[j].link, e->irq[j].bitmap);
DBG("\n");
}
#endif
@@ -180,8 +176,7 @@ void eisa_set_level_irq(unsigned int irq)
* Common IRQ routing practice: nibbles in config space,
* offset by some magic constant.
*/
-static unsigned int
-read_config_nybble(struct pci_dev *router, unsigned offset, unsigned nr)
+static unsigned int read_config_nybble(struct pci_dev *router, unsigned offset, unsigned nr)
{
u8 x;
unsigned reg = offset + (nr >> 1);
@@ -208,18 +203,15 @@ static void write_config_nybble(struct pci_dev *router, unsigned offset,
*/
static int pirq_ali_get(struct pci_dev *router, struct pci_dev *dev, int pirq)
{
- static const unsigned char irqmap[16] = { 0, 9, 3, 10, 4, 5, 7, 6, 1,
- 11, 0, 12, 0, 14, 0, 15 };
+ static const unsigned char irqmap[16] = { 0, 9, 3, 10, 4, 5, 7, 6, 1, 11, 0, 12, 0, 14, 0, 15 };
WARN_ON_ONCE(pirq > 16);
return irqmap[read_config_nybble(router, 0x48, pirq-1)];
}
-static int
-pirq_ali_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
+static int pirq_ali_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
{
- static const unsigned char irqmap[16] = { 0, 8, 0, 2, 4, 5, 7, 6, 0, 1,
- 3, 9, 11, 0, 13, 15 };
+ static const unsigned char irqmap[16] = { 0, 8, 0, 2, 4, 5, 7, 6, 0, 1, 3, 9, 11, 0, 13, 15 };
unsigned int val = irqmap[irq];
WARN_ON_ONCE(pirq > 16);
@@ -242,8 +234,7 @@ static int pirq_piix_get(struct pci_dev *router, struct pci_dev *dev, int pirq)
return (x < 16) ? x : 0;
}
-static int
-pirq_piix_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
+static int pirq_piix_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
{
pci_write_config_byte(router, pirq, irq);
return 1;
@@ -259,8 +250,7 @@ static int pirq_via_get(struct pci_dev *router, struct pci_dev *dev, int pirq)
return read_config_nybble(router, 0x55, pirq == 4 ? 5 : pirq);
}
-static int
-pirq_via_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
+static int pirq_via_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
{
write_config_nybble(router, 0x55, pirq == 4 ? 5 : pirq, irq);
return 1;
@@ -271,8 +261,7 @@ pirq_via_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
* but without the ugly irq number munging.
* However, for 82C586, nibble map is different .
*/
-static int
-pirq_via586_get(struct pci_dev *router, struct pci_dev *dev, int pirq)
+static int pirq_via586_get(struct pci_dev *router, struct pci_dev *dev, int pirq)
{
static const unsigned int pirqmap[5] = { 3, 2, 5, 1, 1 };
@@ -280,8 +269,7 @@ pirq_via586_get(struct pci_dev *router, struct pci_dev *dev, int pirq)
return read_config_nybble(router, 0x55, pirqmap[pirq-1]);
}
-static int
-pirq_via586_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
+static int pirq_via586_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
{
static const unsigned int pirqmap[5] = { 3, 2, 5, 1, 1 };
@@ -303,8 +291,7 @@ static int pirq_ite_get(struct pci_dev *router, struct pci_dev *dev, int pirq)
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)
+static int pirq_ite_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
{
static const unsigned char pirqmap[4] = { 1, 0, 2, 3 };
@@ -322,8 +309,7 @@ static int pirq_opti_get(struct pci_dev *router, struct pci_dev *dev, int pirq)
return read_config_nybble(router, 0xb8, pirq >> 4);
}
-static int
-pirq_opti_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
+static int pirq_opti_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
{
write_config_nybble(router, 0xb8, pirq >> 4, irq);
return 1;
@@ -339,8 +325,7 @@ static int pirq_cyrix_get(struct pci_dev *router, struct pci_dev *dev, int pirq)
return read_config_nybble(router, 0x5C, (pirq-1)^1);
}
-static int
-pirq_cyrix_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
+static int pirq_cyrix_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
{
write_config_nybble(router, 0x5C, (pirq-1)^1, irq);
return 1;
@@ -423,8 +408,7 @@ static int pirq_sis_get(struct pci_dev *router, struct pci_dev *dev, int pirq)
return (x & PIRQ_SIS_IRQ_DISABLE) ? 0 : (x & PIRQ_SIS_IRQ_MASK);
}
-static int
-pirq_sis_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
+static int pirq_sis_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
{
u8 x;
int reg;
@@ -458,8 +442,7 @@ static int pirq_vlsi_get(struct pci_dev *router, struct pci_dev *dev, int pirq)
return read_config_nybble(router, 0x74, pirq-1);
}
-static int
-pirq_vlsi_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
+static int pirq_vlsi_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
{
WARN_ON_ONCE(pirq >= 9);
if (pirq > 8) {
@@ -481,8 +464,7 @@ pirq_vlsi_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
* 0x00 for ACPI (SCI), 0x01 for USB, 0x02 for IDE0, 0x04 for IDE1,
* and 0x03 for SMBus.
*/
-static int
-pirq_serverworks_get(struct pci_dev *router, struct pci_dev *dev, int pirq)
+static int pirq_serverworks_get(struct pci_dev *router, struct pci_dev *dev, int pirq)
{
outb(pirq, 0xc00);
return inb(0xc01) & 0xf;
@@ -504,24 +486,20 @@ static int pirq_serverworks_set(struct pci_dev *router, struct pci_dev *dev,
* offset 0x56 0-3 PIRQA 4-7 PIRQB
* offset 0x57 0-3 PIRQC 4-7 PIRQD
*/
-static int
-pirq_amd756_get(struct pci_dev *router, struct pci_dev *dev, int pirq)
+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",
+ printk(KERN_INFO "AMD756: dev %04x:%04x, router pirq : %d get irq : %2d\n",
dev->vendor, dev->device, pirq, irq);
return irq;
}
-static int
-pirq_amd756_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
+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);
@@ -550,8 +528,7 @@ static int pirq_pico_set(struct pci_dev *router, struct pci_dev *dev, int pirq,
#ifdef CONFIG_PCI_BIOS
-static int
-pirq_bios_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
+static int pirq_bios_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
{
struct pci_dev *bridge;
int pin = pci_get_interrupt_pin(dev, &bridge);
@@ -560,14 +537,11 @@ pirq_bios_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
#endif
-static __init int
-intel_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
+static __init int intel_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
{
static struct pci_device_id __initdata pirq_440gx[] = {
- { PCI_DEVICE(PCI_VENDOR_ID_INTEL,
- PCI_DEVICE_ID_INTEL_82443GX_0) },
- { PCI_DEVICE(PCI_VENDOR_ID_INTEL,
- PCI_DEVICE_ID_INTEL_82443GX_2) },
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82443GX_0) },
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82443GX_2) },
{ },
};
@@ -677,8 +651,7 @@ static __init int via_router_probe(struct irq_router *r,
return 0;
}
-static __init int
-vlsi_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
+static __init int vlsi_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
{
switch (device) {
case PCI_DEVICE_ID_VLSI_82C534:
@@ -705,8 +678,7 @@ static __init int serverworks_router_probe(struct irq_router *r,
return 0;
}
-static __init int
-sis_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
+static __init int sis_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
{
if (device != PCI_DEVICE_ID_SI_503)
return 0;
@@ -717,8 +689,7 @@ sis_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
return 1;
}
-static __init int
-cyrix_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
+static __init int cyrix_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
{
switch (device) {
case PCI_DEVICE_ID_CYRIX_5520:
@@ -730,8 +701,7 @@ cyrix_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
return 0;
}
-static __init int
-opti_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
+static __init int opti_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
{
switch (device) {
case PCI_DEVICE_ID_OPTI_82C700:
@@ -743,8 +713,7 @@ opti_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
return 0;
}
-static __init int
-ite_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
+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:
@@ -756,8 +725,7 @@ ite_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
return 0;
}
-static __init int
-ali_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
+static __init int ali_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
{
switch (device) {
case PCI_DEVICE_ID_AL_M1533:
@@ -771,8 +739,7 @@ ali_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
return 0;
}
-static __init int
-amd_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
+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:
@@ -792,8 +759,7 @@ amd_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
return 1;
}
-static __init int
-pico_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
+static __init int pico_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
{
switch (device) {
case PCI_DEVICE_ID_PICOPOWER_PT86C523:
@@ -1030,9 +996,8 @@ static int pcibios_lookup_irq(struct pci_dev *dev, int assign)
(!(pci_probe & PCI_USE_PIRQ_MASK) || \
((1 << dev2->irq) & mask))) {
#ifndef CONFIG_PCI_MSI
- printk(KERN_INFO
- "IRQ routing conflict for %s, have irq %d, want irq %d\n",
- pci_name(dev2), dev2->irq, irq);
+ printk(KERN_INFO "IRQ routing conflict for %s, have irq %d, want irq %d\n",
+ pci_name(dev2), dev2->irq, irq);
#endif
continue;
}
@@ -1098,23 +1063,18 @@ static void __init pcibios_fixup_irqs(void)
* parent slot, and pin number. The SMP code detects such bridged
* busses itself so we should get into this branch reliably.
*/
- if (irq < 0 && dev->bus->parent) {
- /* go back to the bridge */
+ if (irq < 0 && dev->bus->parent) { /* go back to the bridge */
struct pci_dev *bridge = dev->bus->self;
pin = (pin + PCI_SLOT(dev->devfn)) % 4;
irq = IO_APIC_get_PCI_irq_vector(bridge->bus->number,
- PCI_SLOT(bridge->devfn),
- pin);
+ PCI_SLOT(bridge->devfn), pin);
if (irq >= 0)
- printk(KERN_WARNING
- "PCI: using PPB %s[%c] to get irq %d\n",
- pci_name(bridge),
- 'A' + pin, irq);
+ printk(KERN_WARNING "PCI: using PPB %s[%c] to get irq %d\n",
+ pci_name(bridge), 'A' + pin, irq);
}
if (irq >= 0) {
- printk(KERN_INFO
- "PCI->APIC IRQ transform: %s[%c] -> IRQ %d\n",
+ printk(KERN_INFO "PCI->APIC IRQ transform: %s[%c] -> IRQ %d\n",
pci_name(dev), 'A' + pin, irq);
dev->irq = irq;
}
@@ -1180,7 +1140,7 @@ static struct dmi_system_id __initdata pciirq_dmi_table[] = {
{ }
};
-static int __init pcibios_irq_init(void)
+int __init pcibios_irq_init(void)
{
DBG(KERN_DEBUG "PCI: IRQ init\n");
@@ -1218,9 +1178,6 @@ static int __init pcibios_irq_init(void)
return 0;
}
-subsys_initcall(pcibios_irq_init);
-
-
static void pirq_penalize_isa_irq(int irq, int active)
{
/*
@@ -1259,19 +1216,15 @@ static int pirq_enable_irq(struct pci_dev *dev)
if (io_apic_assign_pci_irqs) {
int irq;
- irq = IO_APIC_get_PCI_irq_vector(dev->bus->number,
- PCI_SLOT(dev->devfn), pin);
+ irq = IO_APIC_get_PCI_irq_vector(dev->bus->number, PCI_SLOT(dev->devfn), pin);
/*
- * Busses behind bridges are typically not
- * listed in the MP-table. In this case we have
- * to look up the IRQ based on the parent bus,
- * parent slot, and pin number. The SMP code
- * detects such bridged busses itself so we
- * should get into this branch reliably.
+ * Busses behind bridges are typically not listed in the MP-table.
+ * In this case we have to look up the IRQ based on the parent bus,
+ * parent slot, and pin number. The SMP code detects such bridged
+ * busses itself so we should get into this branch reliably.
*/
temp_dev = dev;
- while (irq < 0 && dev->bus->parent) {
- /* go back to the bridge */
+ while (irq < 0 && dev->bus->parent) { /* go back to the bridge */
struct pci_dev *bridge = dev->bus->self;
pin = (pin + PCI_SLOT(dev->devfn)) % 4;
diff --git a/arch/x86/pci/legacy.c b/arch/x86/pci/legacy.c
index a67921ce60a..132876cc6fc 100644
--- a/arch/x86/pci/legacy.c
+++ b/arch/x86/pci/legacy.c
@@ -55,4 +55,18 @@ static int __init pci_legacy_init(void)
return 0;
}
-subsys_initcall(pci_legacy_init);
+int __init pci_subsys_init(void)
+{
+#ifdef CONFIG_ACPI
+ pci_acpi_init();
+#endif
+ pci_legacy_init();
+ pcibios_irq_init();
+#ifdef CONFIG_X86_NUMAQ
+ pci_numa_init();
+#endif
+ pcibios_init();
+
+ return 0;
+}
+subsys_initcall(pci_subsys_init);
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/mp_bus_to_node.c b/arch/x86/pci/mp_bus_to_node.c
deleted file mode 100644
index 022943999b8..00000000000
--- a/arch/x86/pci/mp_bus_to_node.c
+++ /dev/null
@@ -1,23 +0,0 @@
-#include <linux/pci.h>
-#include <linux/init.h>
-#include <linux/topology.h>
-
-#define BUS_NR 256
-
-static unsigned char mp_bus_to_node[BUS_NR];
-
-void set_mp_bus_to_node(int busnum, int node)
-{
- if (busnum >= 0 && busnum < BUS_NR)
- mp_bus_to_node[busnum] = (unsigned char) node;
-}
-
-int get_mp_bus_to_node(int busnum)
-{
- int node;
-
- if (busnum < 0 || busnum > (BUS_NR - 1))
- return 0;
- node = mp_bus_to_node[busnum];
- return node;
-}
diff --git a/arch/x86/pci/numa.c b/arch/x86/pci/numa.c
index d9afbae5092..8b5ca196673 100644
--- a/arch/x86/pci/numa.c
+++ b/arch/x86/pci/numa.c
@@ -6,45 +6,21 @@
#include <linux/init.h>
#include <linux/nodemask.h>
#include <mach_apic.h>
+#include <asm/mpspec.h>
#include "pci.h"
#define XQUAD_PORTIO_BASE 0xfe400000
#define XQUAD_PORTIO_QUAD 0x40000 /* 256k per quad. */
-int mp_bus_id_to_node[MAX_MP_BUSSES];
#define BUS2QUAD(global) (mp_bus_id_to_node[global])
-int mp_bus_id_to_local[MAX_MP_BUSSES];
#define BUS2LOCAL(global) (mp_bus_id_to_local[global])
-void mpc_oem_bus_info(struct mpc_config_bus *m, char *name,
- struct mpc_config_translation *translation)
-{
- int quad = translation->trans_quad;
- int local = translation->trans_local;
-
- mp_bus_id_to_node[m->mpc_busid] = quad;
- mp_bus_id_to_local[m->mpc_busid] = local;
- printk(KERN_INFO "Bus #%d is %s (node %d)\n",
- m->mpc_busid, name, quad);
-}
-
-int quad_local_to_mp_bus_id [NR_CPUS/4][4];
#define QUADLOCAL2BUS(quad,local) (quad_local_to_mp_bus_id[quad][local])
-void mpc_oem_pci_bus(struct mpc_config_bus *m,
- struct mpc_config_translation *translation)
-{
- int quad = translation->trans_quad;
- int local = translation->trans_local;
-
- quad_local_to_mp_bus_id[quad][local] = m->mpc_busid;
-}
/* Where the IO area was mapped on multiquad, always 0 otherwise */
void *xquad_portio;
-#ifdef CONFIG_X86_NUMAQ
EXPORT_SYMBOL(xquad_portio);
-#endif
#define XQUAD_PORT_ADDR(port, quad) (xquad_portio + (XQUAD_PORTIO_QUAD*quad) + port)
@@ -175,10 +151,13 @@ static void __devinit pci_fixup_i450nx(struct pci_dev *d)
}
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82451NX, pci_fixup_i450nx);
-static int __init pci_numa_init(void)
+int __init pci_numa_init(void)
{
int quad;
+ if (!found_numaq)
+ return 0;
+
raw_pci_ops = &pci_direct_conf1_mq;
if (pcibios_scanned++)
@@ -197,5 +176,3 @@ static int __init pci_numa_init(void)
}
return 0;
}
-
-subsys_initcall(pci_numa_init);
diff --git a/arch/x86/pci/pci.h b/arch/x86/pci/pci.h
index 291dafec07b..3e25deb821a 100644
--- a/arch/x86/pci/pci.h
+++ b/arch/x86/pci/pci.h
@@ -27,7 +27,8 @@
#define PCI_CAN_SKIP_ISA_ALIGN 0x8000
#define PCI_USE__CRS 0x10000
#define PCI_CHECK_ENABLE_AMD_MMCONF 0x20000
-#define PCI_NOASSIGN_ROMS 0x40000
+#define PCI_HAS_IO_ECS 0x40000
+#define PCI_NOASSIGN_ROMS 0x80000
extern unsigned int pci_probe;
extern unsigned long pirq_table_addr;
@@ -39,9 +40,6 @@ 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;
@@ -99,10 +97,19 @@ extern struct pci_raw_ops *raw_pci_ext_ops;
extern struct pci_raw_ops pci_direct_conf1;
+/* arch_initcall level */
extern int pci_direct_probe(void);
extern void pci_direct_init(int type);
extern void pci_pcbios_init(void);
extern int pci_olpc_init(void);
+extern void __init dmi_check_pciprobe(void);
+extern void __init dmi_check_skip_isa_align(void);
+
+/* some common used subsys_initcalls */
+extern int __init pci_acpi_init(void);
+extern int __init pcibios_irq_init(void);
+extern int __init pci_numa_init(void);
+extern int __init pcibios_init(void);
/* pci-mmconfig.c */
diff --git a/arch/x86/pci/visws.c b/arch/x86/pci/visws.c
index c2df4e97eed..1a7bed492bb 100644
--- a/arch/x86/pci/visws.c
+++ b/arch/x86/pci/visws.c
@@ -8,18 +8,19 @@
#include <linux/pci.h>
#include <linux/init.h>
-#include "cobalt.h"
-#include "lithium.h"
+#include <asm/setup.h>
+#include <asm/visws/cobalt.h>
+#include <asm/visws/lithium.h>
#include "pci.h"
static int pci_visws_enable_irq(struct pci_dev *dev) { return 0; }
static void pci_visws_disable_irq(struct pci_dev *dev) { }
-int (*pcibios_enable_irq)(struct pci_dev *dev) = &pci_visws_enable_irq;
-void (*pcibios_disable_irq)(struct pci_dev *dev) = &pci_visws_disable_irq;
+/* int (*pcibios_enable_irq)(struct pci_dev *dev) = &pci_visws_enable_irq; */
+/* void (*pcibios_disable_irq)(struct pci_dev *dev) = &pci_visws_disable_irq; */
-void __init pcibios_penalize_isa_irq(int irq, int active) {}
+/* void __init pcibios_penalize_isa_irq(int irq, int active) {} */
unsigned int pci_bus0, pci_bus1;
@@ -85,7 +86,7 @@ void __init pcibios_update_irq(struct pci_dev *dev, int irq)
pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq);
}
-static int __init pcibios_init(void)
+static int __init pci_visws_init(void)
{
/* The VISWS supports configuration access type 1 only */
pci_probe = (pci_probe | PCI_PROBE_CONF1) &
@@ -105,4 +106,17 @@ static int __init pcibios_init(void)
return 0;
}
-subsys_initcall(pcibios_init);
+static __init int pci_subsys_init(void)
+{
+ if (!is_visws_box())
+ return -1;
+
+ pcibios_enable_irq = &pci_visws_enable_irq;
+ pcibios_disable_irq = &pci_visws_disable_irq;
+
+ pci_visws_init();
+ pcibios_init();
+
+ return 0;
+}
+subsys_initcall(pci_subsys_init);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-27 21:02:32 +0000