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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.c266
-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.h13
-rw-r--r--arch/x86/pci/visws.c28
16 files changed, 316 insertions, 298 deletions
diff --git a/arch/x86/pci/Makefile b/arch/x86/pci/Makefile
index c5c8e485fc44..e515e8db842a 100644
--- a/arch/x86/pci/Makefile
+++ b/arch/x86/pci/Makefile
@@ -1,5 +1,17 @@
1ifeq ($(CONFIG_X86_32),y) 1obj-y := i386.o init.o
2include ${srctree}/arch/x86/pci/Makefile_32 2
3else 3obj-$(CONFIG_PCI_BIOS) += pcbios.o
4include ${srctree}/arch/x86/pci/Makefile_64 4obj-$(CONFIG_PCI_MMCONFIG) += mmconfig_$(BITS).o direct.o mmconfig-shared.o
5endif 5obj-$(CONFIG_PCI_DIRECT) += direct.o
6obj-$(CONFIG_PCI_OLPC) += olpc.o
7
8pci-y := fixup.o
9pci-$(CONFIG_ACPI) += acpi.o
10pci-y += legacy.o irq.o
11
12pci-$(CONFIG_X86_VISWS) += visws.o
13
14pci-$(CONFIG_X86_NUMAQ) += numa.o
15
16obj-y += $(pci-y) common.o early.o
17obj-y += amd_bus.o
diff --git a/arch/x86/pci/Makefile_32 b/arch/x86/pci/Makefile_32
deleted file mode 100644
index 89ec35d00efd..000000000000
--- a/arch/x86/pci/Makefile_32
+++ /dev/null
@@ -1,24 +0,0 @@
1obj-y := i386.o init.o
2
3obj-$(CONFIG_PCI_BIOS) += pcbios.o
4obj-$(CONFIG_PCI_MMCONFIG) += mmconfig_32.o direct.o mmconfig-shared.o
5obj-$(CONFIG_PCI_DIRECT) += direct.o
6obj-$(CONFIG_PCI_OLPC) += olpc.o
7
8pci-y := fixup.o
9
10# Do not change the ordering here. There is a nasty init function
11# ordering dependency which breaks when you move acpi.o below
12# legacy/irq.o
13pci-$(CONFIG_ACPI) += acpi.o
14pci-y += legacy.o irq.o
15
16# Careful: VISWS and NUMAQ overrule the pci-y above. The colons are
17# therefor correct. This needs a proper fix by distangling the code.
18pci-$(CONFIG_X86_VISWS) := visws.o fixup.o
19pci-$(CONFIG_X86_NUMAQ) := numa.o irq.o
20
21# Necessary for NUMAQ as well
22pci-$(CONFIG_NUMA) += mp_bus_to_node.o
23
24obj-y += $(pci-y) common.o early.o
diff --git a/arch/x86/pci/Makefile_64 b/arch/x86/pci/Makefile_64
deleted file mode 100644
index 8fbd19832cf6..000000000000
--- a/arch/x86/pci/Makefile_64
+++ /dev/null
@@ -1,17 +0,0 @@
1#
2# Makefile for X86_64 specific PCI routines
3#
4# Reuse the i386 PCI subsystem
5#
6EXTRA_CFLAGS += -Iarch/x86/pci
7
8obj-y := i386.o
9obj-$(CONFIG_PCI_DIRECT)+= direct.o
10obj-y += fixup.o init.o
11obj-$(CONFIG_ACPI) += acpi.o
12obj-y += legacy.o irq.o common.o early.o
13# mmconfig has a 64bit special
14obj-$(CONFIG_PCI_MMCONFIG) += mmconfig_64.o direct.o mmconfig-shared.o
15
16obj-y += k8-bus_64.o
17
diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c
index d95de2f199cd..19af06927fbc 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
171 if (node != -1) 171 if (node != -1)
172 set_mp_bus_to_node(busnum, node); 172 set_mp_bus_to_node(busnum, node);
173 else 173 else
174 node = get_mp_bus_to_node(busnum);
175#endif 174#endif
175 node = get_mp_bus_to_node(busnum);
176
177 if (node != -1 && !node_online(node))
178 node = -1;
176 179
177 /* Allocate per-root-bus (not per bus) arch-specific data. 180 /* Allocate per-root-bus (not per bus) arch-specific data.
178 * TODO: leak; this memory is never freed. 181 * 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
204 if (!bus) 207 if (!bus)
205 kfree(sd); 208 kfree(sd);
206 209
210 if (bus && node != -1) {
207#ifdef CONFIG_ACPI_NUMA 211#ifdef CONFIG_ACPI_NUMA
208 if (bus) { 212 if (pxm >= 0)
209 if (pxm >= 0) {
210 printk(KERN_DEBUG "bus %02x -> pxm %d -> node %d\n", 213 printk(KERN_DEBUG "bus %02x -> pxm %d -> node %d\n",
211 busnum, pxm, pxm_to_node(pxm)); 214 busnum, pxm, node);
212 } 215#else
213 } 216 printk(KERN_DEBUG "bus %02x -> node %d\n",
217 busnum, node);
214#endif 218#endif
219 }
215 220
216 if (bus && (pci_probe & PCI_USE__CRS)) 221 if (bus && (pci_probe & PCI_USE__CRS))
217 get_current_resources(device, busnum, domain, bus); 222 get_current_resources(device, busnum, domain, bus);
218 return bus; 223 return bus;
219} 224}
220 225
221extern int pci_routeirq; 226int __init pci_acpi_init(void)
222static int __init pci_acpi_init(void)
223{ 227{
224 struct pci_dev *dev = NULL; 228 struct pci_dev *dev = NULL;
225 229
@@ -253,4 +257,3 @@ static int __init pci_acpi_init(void)
253 257
254 return 0; 258 return 0;
255} 259}
256subsys_initcall(pci_acpi_init);
diff --git a/arch/x86/pci/k8-bus_64.c b/arch/x86/pci/amd_bus.c
index 5c2799c20e47..a18141ae3f02 100644
--- a/arch/x86/pci/k8-bus_64.c
+++ b/arch/x86/pci/amd_bus.c
@@ -1,40 +1,25 @@
1#include <linux/init.h> 1#include <linux/init.h>
2#include <linux/pci.h> 2#include <linux/pci.h>
3#include <linux/topology.h>
4#include "pci.h"
5
6#ifdef CONFIG_X86_64
3#include <asm/pci-direct.h> 7#include <asm/pci-direct.h>
4#include <asm/mpspec.h> 8#include <asm/mpspec.h>
5#include <linux/cpumask.h> 9#include <linux/cpumask.h>
6#include <linux/topology.h> 10#endif
7 11
8/* 12/*
9 * This discovers the pcibus <-> node mapping on AMD K8. 13 * This discovers the pcibus <-> node mapping on AMD K8.
10 * also get peer root bus resource for io,mmio 14 * also get peer root bus resource for io,mmio
11 */ 15 */
12 16
13
14/*
15 * sub bus (transparent) will use entres from 3 to store extra from root,
16 * so need to make sure have enought slot there, increase PCI_BUS_NUM_RESOURCES?
17 */
18#define RES_NUM 16
19struct pci_root_info {
20 char name[12];
21 unsigned int res_num;
22 struct resource res[RES_NUM];
23 int bus_min;
24 int bus_max;
25 int node;
26 int link;
27};
28
29/* 4 at this time, it may become to 32 */
30#define PCI_ROOT_NR 4
31static int pci_root_num;
32static struct pci_root_info pci_root_info[PCI_ROOT_NR];
33
34#ifdef CONFIG_NUMA 17#ifdef CONFIG_NUMA
35 18
36#define BUS_NR 256 19#define BUS_NR 256
37 20
21#ifdef CONFIG_X86_64
22
38static int mp_bus_to_node[BUS_NR]; 23static int mp_bus_to_node[BUS_NR];
39 24
40void set_mp_bus_to_node(int busnum, int node) 25void set_mp_bus_to_node(int busnum, int node)
@@ -61,7 +46,52 @@ int get_mp_bus_to_node(int busnum)
61 46
62 return node; 47 return node;
63} 48}
64#endif 49
50#else /* CONFIG_X86_32 */
51
52static unsigned char mp_bus_to_node[BUS_NR];
53
54void set_mp_bus_to_node(int busnum, int node)
55{
56 if (busnum >= 0 && busnum < BUS_NR)
57 mp_bus_to_node[busnum] = (unsigned char) node;
58}
59
60int get_mp_bus_to_node(int busnum)
61{
62 int node;
63
64 if (busnum < 0 || busnum > (BUS_NR - 1))
65 return 0;
66 node = mp_bus_to_node[busnum];
67 return node;
68}
69
70#endif /* CONFIG_X86_32 */
71
72#endif /* CONFIG_NUMA */
73
74#ifdef CONFIG_X86_64
75
76/*
77 * sub bus (transparent) will use entres from 3 to store extra from root,
78 * so need to make sure have enought slot there, increase PCI_BUS_NUM_RESOURCES?
79 */
80#define RES_NUM 16
81struct pci_root_info {
82 char name[12];
83 unsigned int res_num;
84 struct resource res[RES_NUM];
85 int bus_min;
86 int bus_max;
87 int node;
88 int link;
89};
90
91/* 4 at this time, it may become to 32 */
92#define PCI_ROOT_NR 4
93static int pci_root_num;
94static struct pci_root_info pci_root_info[PCI_ROOT_NR];
65 95
66void set_pci_bus_resources_arch_default(struct pci_bus *b) 96void set_pci_bus_resources_arch_default(struct pci_bus *b)
67{ 97{
@@ -384,7 +414,7 @@ static int __init early_fill_mp_bus_info(void)
384 /* need to take out [0, TOM) for RAM*/ 414 /* need to take out [0, TOM) for RAM*/
385 address = MSR_K8_TOP_MEM1; 415 address = MSR_K8_TOP_MEM1;
386 rdmsrl(address, val); 416 rdmsrl(address, val);
387 end = (val & 0xffffff8000000ULL); 417 end = (val & 0xffffff800000ULL);
388 printk(KERN_INFO "TOM: %016lx aka %ldM\n", end, end>>20); 418 printk(KERN_INFO "TOM: %016lx aka %ldM\n", end, end>>20);
389 if (end < (1ULL<<32)) 419 if (end < (1ULL<<32))
390 update_range(range, 0, end - 1); 420 update_range(range, 0, end - 1);
@@ -478,7 +508,7 @@ static int __init early_fill_mp_bus_info(void)
478 /* TOP_MEM2 */ 508 /* TOP_MEM2 */
479 address = MSR_K8_TOP_MEM2; 509 address = MSR_K8_TOP_MEM2;
480 rdmsrl(address, val); 510 rdmsrl(address, val);
481 end = (val & 0xffffff8000000ULL); 511 end = (val & 0xffffff800000ULL);
482 printk(KERN_INFO "TOM2: %016lx aka %ldM\n", end, end>>20); 512 printk(KERN_INFO "TOM2: %016lx aka %ldM\n", end, end>>20);
483 update_range(range, 1ULL<<32, end - 1); 513 update_range(range, 1ULL<<32, end - 1);
484 } 514 }
@@ -526,3 +556,31 @@ static int __init early_fill_mp_bus_info(void)
526} 556}
527 557
528postcore_initcall(early_fill_mp_bus_info); 558postcore_initcall(early_fill_mp_bus_info);
559
560#endif
561
562/* common 32/64 bit code */
563
564#define ENABLE_CF8_EXT_CFG (1ULL << 46)
565
566static void enable_pci_io_ecs_per_cpu(void *unused)
567{
568 u64 reg;
569 rdmsrl(MSR_AMD64_NB_CFG, reg);
570 if (!(reg & ENABLE_CF8_EXT_CFG)) {
571 reg |= ENABLE_CF8_EXT_CFG;
572 wrmsrl(MSR_AMD64_NB_CFG, reg);
573 }
574}
575
576static int __init enable_pci_io_ecs(void)
577{
578 /* assume all cpus from fam10h have IO ECS */
579 if (boot_cpu_data.x86 < 0x10)
580 return 0;
581 on_each_cpu(enable_pci_io_ecs_per_cpu, NULL, 1, 1);
582 pci_probe |= PCI_HAS_IO_ECS;
583 return 0;
584}
585
586postcore_initcall(enable_pci_io_ecs);
diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c
index 6e64aaf00d1d..20b9f59f95df 100644
--- a/arch/x86/pci/common.c
+++ b/arch/x86/pci/common.c
@@ -384,7 +384,7 @@ struct pci_bus * __devinit pcibios_scan_root(int busnum)
384 384
385extern u8 pci_cache_line_size; 385extern u8 pci_cache_line_size;
386 386
387static int __init pcibios_init(void) 387int __init pcibios_init(void)
388{ 388{
389 struct cpuinfo_x86 *c = &boot_cpu_data; 389 struct cpuinfo_x86 *c = &boot_cpu_data;
390 390
@@ -411,8 +411,6 @@ static int __init pcibios_init(void)
411 return 0; 411 return 0;
412} 412}
413 413
414subsys_initcall(pcibios_init);
415
416char * __devinit pcibios_setup(char *str) 414char * __devinit pcibios_setup(char *str)
417{ 415{
418 if (!strcmp(str, "off")) { 416 if (!strcmp(str, "off")) {
diff --git a/arch/x86/pci/direct.c b/arch/x86/pci/direct.c
index 21d1e0e0d535..9915293500fb 100644
--- a/arch/x86/pci/direct.c
+++ b/arch/x86/pci/direct.c
@@ -8,18 +8,21 @@
8#include "pci.h" 8#include "pci.h"
9 9
10/* 10/*
11 * Functions for accessing PCI configuration space with type 1 accesses 11 * Functions for accessing PCI base (first 256 bytes) and extended
12 * (4096 bytes per PCI function) configuration space with type 1
13 * accesses.
12 */ 14 */
13 15
14#define PCI_CONF1_ADDRESS(bus, devfn, reg) \ 16#define PCI_CONF1_ADDRESS(bus, devfn, reg) \
15 (0x80000000 | (bus << 16) | (devfn << 8) | (reg & ~3)) 17 (0x80000000 | ((reg & 0xF00) << 16) | (bus << 16) \
18 | (devfn << 8) | (reg & 0xFC))
16 19
17static int pci_conf1_read(unsigned int seg, unsigned int bus, 20static int pci_conf1_read(unsigned int seg, unsigned int bus,
18 unsigned int devfn, int reg, int len, u32 *value) 21 unsigned int devfn, int reg, int len, u32 *value)
19{ 22{
20 unsigned long flags; 23 unsigned long flags;
21 24
22 if ((bus > 255) || (devfn > 255) || (reg > 255)) { 25 if ((bus > 255) || (devfn > 255) || (reg > 4095)) {
23 *value = -1; 26 *value = -1;
24 return -EINVAL; 27 return -EINVAL;
25 } 28 }
@@ -50,7 +53,7 @@ static int pci_conf1_write(unsigned int seg, unsigned int bus,
50{ 53{
51 unsigned long flags; 54 unsigned long flags;
52 55
53 if ((bus > 255) || (devfn > 255) || (reg > 255)) 56 if ((bus > 255) || (devfn > 255) || (reg > 4095))
54 return -EINVAL; 57 return -EINVAL;
55 58
56 spin_lock_irqsave(&pci_config_lock, flags); 59 spin_lock_irqsave(&pci_config_lock, flags);
@@ -260,10 +263,18 @@ void __init pci_direct_init(int type)
260 return; 263 return;
261 printk(KERN_INFO "PCI: Using configuration type %d for base access\n", 264 printk(KERN_INFO "PCI: Using configuration type %d for base access\n",
262 type); 265 type);
263 if (type == 1) 266 if (type == 1) {
264 raw_pci_ops = &pci_direct_conf1; 267 raw_pci_ops = &pci_direct_conf1;
265 else 268 if (raw_pci_ext_ops)
266 raw_pci_ops = &pci_direct_conf2; 269 return;
270 if (!(pci_probe & PCI_HAS_IO_ECS))
271 return;
272 printk(KERN_INFO "PCI: Using configuration type 1 "
273 "for extended access\n");
274 raw_pci_ext_ops = &pci_direct_conf1;
275 return;
276 }
277 raw_pci_ops = &pci_direct_conf2;
267} 278}
268 279
269int __init pci_direct_probe(void) 280int __init pci_direct_probe(void)
diff --git a/arch/x86/pci/i386.c b/arch/x86/pci/i386.c
index 10fb308fded8..2aafb67dc5f1 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,
299 return -EINVAL; 299 return -EINVAL;
300 300
301 prot = pgprot_val(vma->vm_page_prot); 301 prot = pgprot_val(vma->vm_page_prot);
302 if (pat_wc_enabled && write_combine) 302 if (pat_enabled && write_combine)
303 prot |= _PAGE_CACHE_WC; 303 prot |= _PAGE_CACHE_WC;
304 else if (pat_wc_enabled || boot_cpu_data.x86 > 3) 304 else if (pat_enabled || boot_cpu_data.x86 > 3)
305 /* 305 /*
306 * ioremap() and ioremap_nocache() defaults to UC MINUS for now. 306 * ioremap() and ioremap_nocache() defaults to UC MINUS for now.
307 * To avoid attribute conflicts, request UC MINUS here 307 * 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,
334 flags = new_flags; 334 flags = new_flags;
335 } 335 }
336 336
337 if (vma->vm_pgoff <= max_pfn_mapped && 337 if (((vma->vm_pgoff < max_low_pfn_mapped) ||
338 (vma->vm_pgoff >= (1UL<<(32 - PAGE_SHIFT)) &&
339 vma->vm_pgoff < max_pfn_mapped)) &&
338 ioremap_change_attr((unsigned long)__va(addr), len, flags)) { 340 ioremap_change_attr((unsigned long)__va(addr), len, flags)) {
339 free_memtype(addr, addr + len); 341 free_memtype(addr, addr + len);
340 return -EINVAL; 342 return -EINVAL;
diff --git a/arch/x86/pci/init.c b/arch/x86/pci/init.c
index b821f4462d99..d6c950f81858 100644
--- a/arch/x86/pci/init.c
+++ b/arch/x86/pci/init.c
@@ -4,7 +4,7 @@
4 4
5/* arch_initcall has too random ordering, so call the initializers 5/* arch_initcall has too random ordering, so call the initializers
6 in the right sequence from here. */ 6 in the right sequence from here. */
7static __init int pci_access_init(void) 7static __init int pci_arch_init(void)
8{ 8{
9#ifdef CONFIG_PCI_DIRECT 9#ifdef CONFIG_PCI_DIRECT
10 int type = 0; 10 int type = 0;
@@ -40,4 +40,4 @@ static __init int pci_access_init(void)
40 40
41 return 0; 41 return 0;
42} 42}
43arch_initcall(pci_access_init); 43arch_initcall(pci_arch_init);
diff --git a/arch/x86/pci/irq.c b/arch/x86/pci/irq.c
index ca8df9c260bc..dc568c6b83f8 100644
--- a/arch/x86/pci/irq.c
+++ b/arch/x86/pci/irq.c
@@ -11,8 +11,8 @@
11#include <linux/slab.h> 11#include <linux/slab.h>
12#include <linux/interrupt.h> 12#include <linux/interrupt.h>
13#include <linux/dmi.h> 13#include <linux/dmi.h>
14#include <asm/io.h> 14#include <linux/io.h>
15#include <asm/smp.h> 15#include <linux/smp.h>
16#include <asm/io_apic.h> 16#include <asm/io_apic.h>
17#include <linux/irq.h> 17#include <linux/irq.h>
18#include <linux/acpi.h> 18#include <linux/acpi.h>
@@ -61,7 +61,7 @@ void (*pcibios_disable_irq)(struct pci_dev *dev) = NULL;
61 * and perform checksum verification. 61 * and perform checksum verification.
62 */ 62 */
63 63
64static inline struct irq_routing_table * pirq_check_routing_table(u8 *addr) 64static inline struct irq_routing_table *pirq_check_routing_table(u8 *addr)
65{ 65{
66 struct irq_routing_table *rt; 66 struct irq_routing_table *rt;
67 int i; 67 int i;
@@ -74,7 +74,7 @@ static inline struct irq_routing_table * pirq_check_routing_table(u8 *addr)
74 rt->size < sizeof(struct irq_routing_table)) 74 rt->size < sizeof(struct irq_routing_table))
75 return NULL; 75 return NULL;
76 sum = 0; 76 sum = 0;
77 for (i=0; i < rt->size; i++) 77 for (i = 0; i < rt->size; i++)
78 sum += addr[i]; 78 sum += addr[i];
79 if (!sum) { 79 if (!sum) {
80 DBG(KERN_DEBUG "PCI: Interrupt Routing Table found at 0x%p\n", rt); 80 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)
100 return rt; 100 return rt;
101 printk(KERN_WARNING "PCI: PIRQ table NOT found at pirqaddr\n"); 101 printk(KERN_WARNING "PCI: PIRQ table NOT found at pirqaddr\n");
102 } 102 }
103 for(addr = (u8 *) __va(0xf0000); addr < (u8 *) __va(0x100000); addr += 16) { 103 for (addr = (u8 *) __va(0xf0000); addr < (u8 *) __va(0x100000); addr += 16) {
104 rt = pirq_check_routing_table(addr); 104 rt = pirq_check_routing_table(addr);
105 if (rt) 105 if (rt)
106 return rt; 106 return rt;
@@ -122,20 +122,20 @@ static void __init pirq_peer_trick(void)
122 struct irq_info *e; 122 struct irq_info *e;
123 123
124 memset(busmap, 0, sizeof(busmap)); 124 memset(busmap, 0, sizeof(busmap));
125 for(i=0; i < (rt->size - sizeof(struct irq_routing_table)) / sizeof(struct irq_info); i++) { 125 for (i = 0; i < (rt->size - sizeof(struct irq_routing_table)) / sizeof(struct irq_info); i++) {
126 e = &rt->slots[i]; 126 e = &rt->slots[i];
127#ifdef DEBUG 127#ifdef DEBUG
128 { 128 {
129 int j; 129 int j;
130 DBG(KERN_DEBUG "%02x:%02x slot=%02x", e->bus, e->devfn/8, e->slot); 130 DBG(KERN_DEBUG "%02x:%02x slot=%02x", e->bus, e->devfn/8, e->slot);
131 for(j=0; j<4; j++) 131 for (j = 0; j < 4; j++)
132 DBG(" %d:%02x/%04x", j, e->irq[j].link, e->irq[j].bitmap); 132 DBG(" %d:%02x/%04x", j, e->irq[j].link, e->irq[j].bitmap);
133 DBG("\n"); 133 DBG("\n");
134 } 134 }
135#endif 135#endif
136 busmap[e->bus] = 1; 136 busmap[e->bus] = 1;
137 } 137 }
138 for(i = 1; i < 256; i++) { 138 for (i = 1; i < 256; i++) {
139 int node; 139 int node;
140 if (!busmap[i] || pci_find_bus(0, i)) 140 if (!busmap[i] || pci_find_bus(0, i))
141 continue; 141 continue;
@@ -285,7 +285,7 @@ static int pirq_ite_get(struct pci_dev *router, struct pci_dev *dev, int pirq)
285 static const unsigned char pirqmap[4] = { 1, 0, 2, 3 }; 285 static const unsigned char pirqmap[4] = { 1, 0, 2, 3 };
286 286
287 WARN_ON_ONCE(pirq > 4); 287 WARN_ON_ONCE(pirq > 4);
288 return read_config_nybble(router,0x43, pirqmap[pirq-1]); 288 return read_config_nybble(router, 0x43, pirqmap[pirq-1]);
289} 289}
290 290
291static int pirq_ite_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq) 291static 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,
314 314
315/* 315/*
316 * Cyrix: nibble offset 0x5C 316 * Cyrix: nibble offset 0x5C
317 * 0x5C bits 7:4 is INTB bits 3:0 is INTA 317 * 0x5C bits 7:4 is INTB bits 3:0 is INTA
318 * 0x5D bits 7:4 is INTD bits 3:0 is INTC 318 * 0x5D bits 7:4 is INTD bits 3:0 is INTC
319 */ 319 */
320static int pirq_cyrix_get(struct pci_dev *router, struct pci_dev *dev, int pirq) 320static 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,
350 * Apparently there are systems implementing PCI routing table using 350 * Apparently there are systems implementing PCI routing table using
351 * link values 0x01-0x04 and others using 0x41-0x44 for PCI INTA..D. 351 * link values 0x01-0x04 and others using 0x41-0x44 for PCI INTA..D.
352 * We try our best to handle both link mappings. 352 * We try our best to handle both link mappings.
353 * 353 *
354 * Currently (2003-05-21) it appears most SiS chipsets follow the 354 * Currently (2003-05-21) it appears most SiS chipsets follow the
355 * definition of routing registers from the SiS-5595 southbridge. 355 * definition of routing registers from the SiS-5595 southbridge.
356 * According to the SiS 5595 datasheets the revision id's of the 356 * 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,
370 * 370 *
371 * 0x62: USBIRQ: 371 * 0x62: USBIRQ:
372 * bit 6 OHCI function disabled (0), enabled (1) 372 * bit 6 OHCI function disabled (0), enabled (1)
373 * 373 *
374 * 0x6a: ACPI/SCI IRQ: bits 4-6 reserved 374 * 0x6a: ACPI/SCI IRQ: bits 4-6 reserved
375 * 375 *
376 * 0x7e: Data Acq. Module IRQ - bits 4-6 reserved 376 * 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
487 u8 irq; 487 u8 irq;
488 irq = 0; 488 irq = 0;
489 if (pirq <= 4) 489 if (pirq <= 4)
490 {
491 irq = read_config_nybble(router, 0x56, pirq - 1); 490 irq = read_config_nybble(router, 0x56, pirq - 1);
492 }
493 printk(KERN_INFO "AMD756: dev %04x:%04x, router pirq : %d get irq : %2d\n", 491 printk(KERN_INFO "AMD756: dev %04x:%04x, router pirq : %d get irq : %2d\n",
494 dev->vendor, dev->device, pirq, irq); 492 dev->vendor, dev->device, pirq, irq);
495 return irq; 493 return irq;
@@ -497,12 +495,10 @@ static int pirq_amd756_get(struct pci_dev *router, struct pci_dev *dev, int pirq
497 495
498static int pirq_amd756_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq) 496static int pirq_amd756_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
499{ 497{
500 printk(KERN_INFO "AMD756: dev %04x:%04x, router pirq : %d SET irq : %2d\n", 498 printk(KERN_INFO "AMD756: dev %04x:%04x, router pirq : %d SET irq : %2d\n",
501 dev->vendor, dev->device, pirq, irq); 499 dev->vendor, dev->device, pirq, irq);
502 if (pirq <= 4) 500 if (pirq <= 4)
503 {
504 write_config_nybble(router, 0x56, pirq - 1, irq); 501 write_config_nybble(router, 0x56, pirq - 1, irq);
505 }
506 return 1; 502 return 1;
507} 503}
508 504
@@ -549,50 +545,49 @@ static __init int intel_router_probe(struct irq_router *r, struct pci_dev *route
549 if (pci_dev_present(pirq_440gx)) 545 if (pci_dev_present(pirq_440gx))
550 return 0; 546 return 0;
551 547
552 switch(device) 548 switch (device) {
553 { 549 case PCI_DEVICE_ID_INTEL_82371FB_0:
554 case PCI_DEVICE_ID_INTEL_82371FB_0: 550 case PCI_DEVICE_ID_INTEL_82371SB_0:
555 case PCI_DEVICE_ID_INTEL_82371SB_0: 551 case PCI_DEVICE_ID_INTEL_82371AB_0:
556 case PCI_DEVICE_ID_INTEL_82371AB_0: 552 case PCI_DEVICE_ID_INTEL_82371MX:
557 case PCI_DEVICE_ID_INTEL_82371MX: 553 case PCI_DEVICE_ID_INTEL_82443MX_0:
558 case PCI_DEVICE_ID_INTEL_82443MX_0: 554 case PCI_DEVICE_ID_INTEL_82801AA_0:
559 case PCI_DEVICE_ID_INTEL_82801AA_0: 555 case PCI_DEVICE_ID_INTEL_82801AB_0:
560 case PCI_DEVICE_ID_INTEL_82801AB_0: 556 case PCI_DEVICE_ID_INTEL_82801BA_0:
561 case PCI_DEVICE_ID_INTEL_82801BA_0: 557 case PCI_DEVICE_ID_INTEL_82801BA_10:
562 case PCI_DEVICE_ID_INTEL_82801BA_10: 558 case PCI_DEVICE_ID_INTEL_82801CA_0:
563 case PCI_DEVICE_ID_INTEL_82801CA_0: 559 case PCI_DEVICE_ID_INTEL_82801CA_12:
564 case PCI_DEVICE_ID_INTEL_82801CA_12: 560 case PCI_DEVICE_ID_INTEL_82801DB_0:
565 case PCI_DEVICE_ID_INTEL_82801DB_0: 561 case PCI_DEVICE_ID_INTEL_82801E_0:
566 case PCI_DEVICE_ID_INTEL_82801E_0: 562 case PCI_DEVICE_ID_INTEL_82801EB_0:
567 case PCI_DEVICE_ID_INTEL_82801EB_0: 563 case PCI_DEVICE_ID_INTEL_ESB_1:
568 case PCI_DEVICE_ID_INTEL_ESB_1: 564 case PCI_DEVICE_ID_INTEL_ICH6_0:
569 case PCI_DEVICE_ID_INTEL_ICH6_0: 565 case PCI_DEVICE_ID_INTEL_ICH6_1:
570 case PCI_DEVICE_ID_INTEL_ICH6_1: 566 case PCI_DEVICE_ID_INTEL_ICH7_0:
571 case PCI_DEVICE_ID_INTEL_ICH7_0: 567 case PCI_DEVICE_ID_INTEL_ICH7_1:
572 case PCI_DEVICE_ID_INTEL_ICH7_1: 568 case PCI_DEVICE_ID_INTEL_ICH7_30:
573 case PCI_DEVICE_ID_INTEL_ICH7_30: 569 case PCI_DEVICE_ID_INTEL_ICH7_31:
574 case PCI_DEVICE_ID_INTEL_ICH7_31: 570 case PCI_DEVICE_ID_INTEL_ESB2_0:
575 case PCI_DEVICE_ID_INTEL_ESB2_0: 571 case PCI_DEVICE_ID_INTEL_ICH8_0:
576 case PCI_DEVICE_ID_INTEL_ICH8_0: 572 case PCI_DEVICE_ID_INTEL_ICH8_1:
577 case PCI_DEVICE_ID_INTEL_ICH8_1: 573 case PCI_DEVICE_ID_INTEL_ICH8_2:
578 case PCI_DEVICE_ID_INTEL_ICH8_2: 574 case PCI_DEVICE_ID_INTEL_ICH8_3:
579 case PCI_DEVICE_ID_INTEL_ICH8_3: 575 case PCI_DEVICE_ID_INTEL_ICH8_4:
580 case PCI_DEVICE_ID_INTEL_ICH8_4: 576 case PCI_DEVICE_ID_INTEL_ICH9_0:
581 case PCI_DEVICE_ID_INTEL_ICH9_0: 577 case PCI_DEVICE_ID_INTEL_ICH9_1:
582 case PCI_DEVICE_ID_INTEL_ICH9_1: 578 case PCI_DEVICE_ID_INTEL_ICH9_2:
583 case PCI_DEVICE_ID_INTEL_ICH9_2: 579 case PCI_DEVICE_ID_INTEL_ICH9_3:
584 case PCI_DEVICE_ID_INTEL_ICH9_3: 580 case PCI_DEVICE_ID_INTEL_ICH9_4:
585 case PCI_DEVICE_ID_INTEL_ICH9_4: 581 case PCI_DEVICE_ID_INTEL_ICH9_5:
586 case PCI_DEVICE_ID_INTEL_ICH9_5: 582 case PCI_DEVICE_ID_INTEL_TOLAPAI_0:
587 case PCI_DEVICE_ID_INTEL_TOLAPAI_0: 583 case PCI_DEVICE_ID_INTEL_ICH10_0:
588 case PCI_DEVICE_ID_INTEL_ICH10_0: 584 case PCI_DEVICE_ID_INTEL_ICH10_1:
589 case PCI_DEVICE_ID_INTEL_ICH10_1: 585 case PCI_DEVICE_ID_INTEL_ICH10_2:
590 case PCI_DEVICE_ID_INTEL_ICH10_2: 586 case PCI_DEVICE_ID_INTEL_ICH10_3:
591 case PCI_DEVICE_ID_INTEL_ICH10_3: 587 r->name = "PIIX/ICH";
592 r->name = "PIIX/ICH"; 588 r->get = pirq_piix_get;
593 r->get = pirq_piix_get; 589 r->set = pirq_piix_set;
594 r->set = pirq_piix_set; 590 return 1;
595 return 1;
596 } 591 }
597 return 0; 592 return 0;
598} 593}
@@ -606,7 +601,7 @@ static __init int via_router_probe(struct irq_router *r,
606 * workarounds for some buggy BIOSes 601 * workarounds for some buggy BIOSes
607 */ 602 */
608 if (device == PCI_DEVICE_ID_VIA_82C586_0) { 603 if (device == PCI_DEVICE_ID_VIA_82C586_0) {
609 switch(router->device) { 604 switch (router->device) {
610 case PCI_DEVICE_ID_VIA_82C686: 605 case PCI_DEVICE_ID_VIA_82C686:
611 /* 606 /*
612 * Asus k7m bios wrongly reports 82C686A 607 * Asus k7m bios wrongly reports 82C686A
@@ -631,7 +626,7 @@ static __init int via_router_probe(struct irq_router *r,
631 } 626 }
632 } 627 }
633 628
634 switch(device) { 629 switch (device) {
635 case PCI_DEVICE_ID_VIA_82C586_0: 630 case PCI_DEVICE_ID_VIA_82C586_0:
636 r->name = "VIA"; 631 r->name = "VIA";
637 r->get = pirq_via586_get; 632 r->get = pirq_via586_get;
@@ -654,13 +649,12 @@ static __init int via_router_probe(struct irq_router *r,
654 649
655static __init int vlsi_router_probe(struct irq_router *r, struct pci_dev *router, u16 device) 650static __init int vlsi_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
656{ 651{
657 switch(device) 652 switch (device) {
658 { 653 case PCI_DEVICE_ID_VLSI_82C534:
659 case PCI_DEVICE_ID_VLSI_82C534: 654 r->name = "VLSI 82C534";
660 r->name = "VLSI 82C534"; 655 r->get = pirq_vlsi_get;
661 r->get = pirq_vlsi_get; 656 r->set = pirq_vlsi_set;
662 r->set = pirq_vlsi_set; 657 return 1;
663 return 1;
664 } 658 }
665 return 0; 659 return 0;
666} 660}
@@ -668,14 +662,13 @@ static __init int vlsi_router_probe(struct irq_router *r, struct pci_dev *router
668 662
669static __init int serverworks_router_probe(struct irq_router *r, struct pci_dev *router, u16 device) 663static __init int serverworks_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
670{ 664{
671 switch(device) 665 switch (device) {
672 { 666 case PCI_DEVICE_ID_SERVERWORKS_OSB4:
673 case PCI_DEVICE_ID_SERVERWORKS_OSB4: 667 case PCI_DEVICE_ID_SERVERWORKS_CSB5:
674 case PCI_DEVICE_ID_SERVERWORKS_CSB5: 668 r->name = "ServerWorks";
675 r->name = "ServerWorks"; 669 r->get = pirq_serverworks_get;
676 r->get = pirq_serverworks_get; 670 r->set = pirq_serverworks_set;
677 r->set = pirq_serverworks_set; 671 return 1;
678 return 1;
679 } 672 }
680 return 0; 673 return 0;
681} 674}
@@ -684,7 +677,7 @@ static __init int sis_router_probe(struct irq_router *r, struct pci_dev *router,
684{ 677{
685 if (device != PCI_DEVICE_ID_SI_503) 678 if (device != PCI_DEVICE_ID_SI_503)
686 return 0; 679 return 0;
687 680
688 r->name = "SIS"; 681 r->name = "SIS";
689 r->get = pirq_sis_get; 682 r->get = pirq_sis_get;
690 r->set = pirq_sis_set; 683 r->set = pirq_sis_set;
@@ -693,47 +686,43 @@ static __init int sis_router_probe(struct irq_router *r, struct pci_dev *router,
693 686
694static __init int cyrix_router_probe(struct irq_router *r, struct pci_dev *router, u16 device) 687static __init int cyrix_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
695{ 688{
696 switch(device) 689 switch (device) {
697 { 690 case PCI_DEVICE_ID_CYRIX_5520:
698 case PCI_DEVICE_ID_CYRIX_5520: 691 r->name = "NatSemi";
699 r->name = "NatSemi"; 692 r->get = pirq_cyrix_get;
700 r->get = pirq_cyrix_get; 693 r->set = pirq_cyrix_set;
701 r->set = pirq_cyrix_set; 694 return 1;
702 return 1;
703 } 695 }
704 return 0; 696 return 0;
705} 697}
706 698
707static __init int opti_router_probe(struct irq_router *r, struct pci_dev *router, u16 device) 699static __init int opti_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
708{ 700{
709 switch(device) 701 switch (device) {
710 { 702 case PCI_DEVICE_ID_OPTI_82C700:
711 case PCI_DEVICE_ID_OPTI_82C700: 703 r->name = "OPTI";
712 r->name = "OPTI"; 704 r->get = pirq_opti_get;
713 r->get = pirq_opti_get; 705 r->set = pirq_opti_set;
714 r->set = pirq_opti_set; 706 return 1;
715 return 1;
716 } 707 }
717 return 0; 708 return 0;
718} 709}
719 710
720static __init int ite_router_probe(struct irq_router *r, struct pci_dev *router, u16 device) 711static __init int ite_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
721{ 712{
722 switch(device) 713 switch (device) {
723 { 714 case PCI_DEVICE_ID_ITE_IT8330G_0:
724 case PCI_DEVICE_ID_ITE_IT8330G_0: 715 r->name = "ITE";
725 r->name = "ITE"; 716 r->get = pirq_ite_get;
726 r->get = pirq_ite_get; 717 r->set = pirq_ite_set;
727 r->set = pirq_ite_set; 718 return 1;
728 return 1;
729 } 719 }
730 return 0; 720 return 0;
731} 721}
732 722
733static __init int ali_router_probe(struct irq_router *r, struct pci_dev *router, u16 device) 723static __init int ali_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
734{ 724{
735 switch(device) 725 switch (device) {
736 {
737 case PCI_DEVICE_ID_AL_M1533: 726 case PCI_DEVICE_ID_AL_M1533:
738 case PCI_DEVICE_ID_AL_M1563: 727 case PCI_DEVICE_ID_AL_M1563:
739 printk(KERN_DEBUG "PCI: Using ALI IRQ Router\n"); 728 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,
747 736
748static __init int amd_router_probe(struct irq_router *r, struct pci_dev *router, u16 device) 737static __init int amd_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
749{ 738{
750 switch(device) 739 switch (device) {
751 { 740 case PCI_DEVICE_ID_AMD_VIPER_740B:
752 case PCI_DEVICE_ID_AMD_VIPER_740B: 741 r->name = "AMD756";
753 r->name = "AMD756"; 742 break;
754 break; 743 case PCI_DEVICE_ID_AMD_VIPER_7413:
755 case PCI_DEVICE_ID_AMD_VIPER_7413: 744 r->name = "AMD766";
756 r->name = "AMD766"; 745 break;
757 break; 746 case PCI_DEVICE_ID_AMD_VIPER_7443:
758 case PCI_DEVICE_ID_AMD_VIPER_7443: 747 r->name = "AMD768";
759 r->name = "AMD768"; 748 break;
760 break; 749 default:
761 default: 750 return 0;
762 return 0;
763 } 751 }
764 r->get = pirq_amd756_get; 752 r->get = pirq_amd756_get;
765 r->set = pirq_amd756_set; 753 r->set = pirq_amd756_set;
766 return 1; 754 return 1;
767} 755}
768 756
769static __init int pico_router_probe(struct irq_router *r, struct pci_dev *router, u16 device) 757static __init int pico_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
770{ 758{
771 switch (device) { 759 switch (device) {
@@ -807,7 +795,7 @@ static struct pci_dev *pirq_router_dev;
807 * FIXME: should we have an option to say "generic for 795 * FIXME: should we have an option to say "generic for
808 * chipset" ? 796 * chipset" ?
809 */ 797 */
810 798
811static void __init pirq_find_router(struct irq_router *r) 799static void __init pirq_find_router(struct irq_router *r)
812{ 800{
813 struct irq_routing_table *rt = pirq_table; 801 struct irq_routing_table *rt = pirq_table;
@@ -826,7 +814,7 @@ static void __init pirq_find_router(struct irq_router *r)
826 r->name = "default"; 814 r->name = "default";
827 r->get = NULL; 815 r->get = NULL;
828 r->set = NULL; 816 r->set = NULL;
829 817
830 DBG(KERN_DEBUG "PCI: Attempting to find IRQ router for %04x:%04x\n", 818 DBG(KERN_DEBUG "PCI: Attempting to find IRQ router for %04x:%04x\n",
831 rt->rtr_vendor, rt->rtr_device); 819 rt->rtr_vendor, rt->rtr_device);
832 820
@@ -837,7 +825,7 @@ static void __init pirq_find_router(struct irq_router *r)
837 return; 825 return;
838 } 826 }
839 827
840 for( h = pirq_routers; h->vendor; h++) { 828 for (h = pirq_routers; h->vendor; h++) {
841 /* First look for a router match */ 829 /* First look for a router match */
842 if (rt->rtr_vendor == h->vendor && h->probe(r, pirq_router_dev, rt->rtr_device)) 830 if (rt->rtr_vendor == h->vendor && h->probe(r, pirq_router_dev, rt->rtr_device))
843 break; 831 break;
@@ -889,7 +877,7 @@ static int pcibios_lookup_irq(struct pci_dev *dev, int assign)
889 877
890 if (!pirq_table) 878 if (!pirq_table)
891 return 0; 879 return 0;
892 880
893 DBG(KERN_DEBUG "IRQ for %s[%c]", pci_name(dev), 'A' + pin); 881 DBG(KERN_DEBUG "IRQ for %s[%c]", pci_name(dev), 'A' + pin);
894 info = pirq_get_info(dev); 882 info = pirq_get_info(dev);
895 if (!info) { 883 if (!info) {
@@ -928,8 +916,10 @@ static int pcibios_lookup_irq(struct pci_dev *dev, int assign)
928 */ 916 */
929 newirq = dev->irq; 917 newirq = dev->irq;
930 if (newirq && !((1 << newirq) & mask)) { 918 if (newirq && !((1 << newirq) & mask)) {
931 if ( pci_probe & PCI_USE_PIRQ_MASK) newirq = 0; 919 if (pci_probe & PCI_USE_PIRQ_MASK)
932 else printk("\n" KERN_WARNING 920 newirq = 0;
921 else
922 printk("\n" KERN_WARNING
933 "PCI: IRQ %i for device %s doesn't match PIRQ mask " 923 "PCI: IRQ %i for device %s doesn't match PIRQ mask "
934 "- try pci=usepirqmask\n" KERN_DEBUG, newirq, 924 "- try pci=usepirqmask\n" KERN_DEBUG, newirq,
935 pci_name(dev)); 925 pci_name(dev));
@@ -949,8 +939,8 @@ static int pcibios_lookup_irq(struct pci_dev *dev, int assign)
949 irq = pirq & 0xf; 939 irq = pirq & 0xf;
950 DBG(" -> hardcoded IRQ %d\n", irq); 940 DBG(" -> hardcoded IRQ %d\n", irq);
951 msg = "Hardcoded"; 941 msg = "Hardcoded";
952 } else if ( r->get && (irq = r->get(pirq_router_dev, dev, pirq)) && \ 942 } else if (r->get && (irq = r->get(pirq_router_dev, dev, pirq)) && \
953 ((!(pci_probe & PCI_USE_PIRQ_MASK)) || ((1 << irq) & mask)) ) { 943 ((!(pci_probe & PCI_USE_PIRQ_MASK)) || ((1 << irq) & mask))) {
954 DBG(" -> got IRQ %d\n", irq); 944 DBG(" -> got IRQ %d\n", irq);
955 msg = "Found"; 945 msg = "Found";
956 eisa_set_level_irq(irq); 946 eisa_set_level_irq(irq);
@@ -985,15 +975,15 @@ static int pcibios_lookup_irq(struct pci_dev *dev, int assign)
985 continue; 975 continue;
986 if (info->irq[pin].link == pirq) { 976 if (info->irq[pin].link == pirq) {
987 /* We refuse to override the dev->irq information. Give a warning! */ 977 /* We refuse to override the dev->irq information. Give a warning! */
988 if ( dev2->irq && dev2->irq != irq && \ 978 if (dev2->irq && dev2->irq != irq && \
989 (!(pci_probe & PCI_USE_PIRQ_MASK) || \ 979 (!(pci_probe & PCI_USE_PIRQ_MASK) || \
990 ((1 << dev2->irq) & mask)) ) { 980 ((1 << dev2->irq) & mask))) {
991#ifndef CONFIG_PCI_MSI 981#ifndef CONFIG_PCI_MSI
992 printk(KERN_INFO "IRQ routing conflict for %s, have irq %d, want irq %d\n", 982 printk(KERN_INFO "IRQ routing conflict for %s, have irq %d, want irq %d\n",
993 pci_name(dev2), dev2->irq, irq); 983 pci_name(dev2), dev2->irq, irq);
994#endif 984#endif
995 continue; 985 continue;
996 } 986 }
997 dev2->irq = irq; 987 dev2->irq = irq;
998 pirq_penalty[irq]++; 988 pirq_penalty[irq]++;
999 if (dev != dev2) 989 if (dev != dev2)
@@ -1031,8 +1021,7 @@ static void __init pcibios_fixup_irqs(void)
1031 /* 1021 /*
1032 * Recalculate IRQ numbers if we use the I/O APIC. 1022 * Recalculate IRQ numbers if we use the I/O APIC.
1033 */ 1023 */
1034 if (io_apic_assign_pci_irqs) 1024 if (io_apic_assign_pci_irqs) {
1035 {
1036 int irq; 1025 int irq;
1037 1026
1038 if (pin) { 1027 if (pin) {
@@ -1045,10 +1034,10 @@ static void __init pcibios_fixup_irqs(void)
1045 * busses itself so we should get into this branch reliably. 1034 * busses itself so we should get into this branch reliably.
1046 */ 1035 */
1047 if (irq < 0 && dev->bus->parent) { /* go back to the bridge */ 1036 if (irq < 0 && dev->bus->parent) { /* go back to the bridge */
1048 struct pci_dev * bridge = dev->bus->self; 1037 struct pci_dev *bridge = dev->bus->self;
1049 1038
1050 pin = (pin + PCI_SLOT(dev->devfn)) % 4; 1039 pin = (pin + PCI_SLOT(dev->devfn)) % 4;
1051 irq = IO_APIC_get_PCI_irq_vector(bridge->bus->number, 1040 irq = IO_APIC_get_PCI_irq_vector(bridge->bus->number,
1052 PCI_SLOT(bridge->devfn), pin); 1041 PCI_SLOT(bridge->devfn), pin);
1053 if (irq >= 0) 1042 if (irq >= 0)
1054 printk(KERN_WARNING "PCI: using PPB %s[%c] to get irq %d\n", 1043 printk(KERN_WARNING "PCI: using PPB %s[%c] to get irq %d\n",
@@ -1118,7 +1107,7 @@ static struct dmi_system_id __initdata pciirq_dmi_table[] = {
1118 { } 1107 { }
1119}; 1108};
1120 1109
1121static int __init pcibios_irq_init(void) 1110int __init pcibios_irq_init(void)
1122{ 1111{
1123 DBG(KERN_DEBUG "PCI: IRQ init\n"); 1112 DBG(KERN_DEBUG "PCI: IRQ init\n");
1124 1113
@@ -1138,7 +1127,7 @@ static int __init pcibios_irq_init(void)
1138 pirq_find_router(&pirq_router); 1127 pirq_find_router(&pirq_router);
1139 if (pirq_table->exclusive_irqs) { 1128 if (pirq_table->exclusive_irqs) {
1140 int i; 1129 int i;
1141 for (i=0; i<16; i++) 1130 for (i = 0; i < 16; i++)
1142 if (!(pirq_table->exclusive_irqs & (1 << i))) 1131 if (!(pirq_table->exclusive_irqs & (1 << i)))
1143 pirq_penalty[i] += 100; 1132 pirq_penalty[i] += 100;
1144 } 1133 }
@@ -1153,9 +1142,6 @@ static int __init pcibios_irq_init(void)
1153 return 0; 1142 return 0;
1154} 1143}
1155 1144
1156subsys_initcall(pcibios_irq_init);
1157
1158
1159static void pirq_penalize_isa_irq(int irq, int active) 1145static void pirq_penalize_isa_irq(int irq, int active)
1160{ 1146{
1161 /* 1147 /*
@@ -1203,10 +1189,10 @@ static int pirq_enable_irq(struct pci_dev *dev)
1203 */ 1189 */
1204 temp_dev = dev; 1190 temp_dev = dev;
1205 while (irq < 0 && dev->bus->parent) { /* go back to the bridge */ 1191 while (irq < 0 && dev->bus->parent) { /* go back to the bridge */
1206 struct pci_dev * bridge = dev->bus->self; 1192 struct pci_dev *bridge = dev->bus->self;
1207 1193
1208 pin = (pin + PCI_SLOT(dev->devfn)) % 4; 1194 pin = (pin + PCI_SLOT(dev->devfn)) % 4;
1209 irq = IO_APIC_get_PCI_irq_vector(bridge->bus->number, 1195 irq = IO_APIC_get_PCI_irq_vector(bridge->bus->number,
1210 PCI_SLOT(bridge->devfn), pin); 1196 PCI_SLOT(bridge->devfn), pin);
1211 if (irq >= 0) 1197 if (irq >= 0)
1212 printk(KERN_WARNING "PCI: using PPB %s[%c] to get irq %d\n", 1198 printk(KERN_WARNING "PCI: using PPB %s[%c] to get irq %d\n",
diff --git a/arch/x86/pci/legacy.c b/arch/x86/pci/legacy.c
index a67921ce60af..132876cc6fca 100644
--- a/arch/x86/pci/legacy.c
+++ b/arch/x86/pci/legacy.c
@@ -55,4 +55,18 @@ static int __init pci_legacy_init(void)
55 return 0; 55 return 0;
56} 56}
57 57
58subsys_initcall(pci_legacy_init); 58int __init pci_subsys_init(void)
59{
60#ifdef CONFIG_ACPI
61 pci_acpi_init();
62#endif
63 pci_legacy_init();
64 pcibios_irq_init();
65#ifdef CONFIG_X86_NUMAQ
66 pci_numa_init();
67#endif
68 pcibios_init();
69
70 return 0;
71}
72subsys_initcall(pci_subsys_init);
diff --git a/arch/x86/pci/mmconfig-shared.c b/arch/x86/pci/mmconfig-shared.c
index 0cfebecf2a8f..23faaa890ffc 100644
--- a/arch/x86/pci/mmconfig-shared.c
+++ b/arch/x86/pci/mmconfig-shared.c
@@ -374,7 +374,7 @@ reject:
374 374
375static int __initdata known_bridge; 375static int __initdata known_bridge;
376 376
377void __init __pci_mmcfg_init(int early) 377static void __init __pci_mmcfg_init(int early)
378{ 378{
379 /* MMCONFIG disabled */ 379 /* MMCONFIG disabled */
380 if ((pci_probe & PCI_PROBE_MMCONF) == 0) 380 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 022943999b84..000000000000
--- a/arch/x86/pci/mp_bus_to_node.c
+++ /dev/null
@@ -1,23 +0,0 @@
1#include <linux/pci.h>
2#include <linux/init.h>
3#include <linux/topology.h>
4
5#define BUS_NR 256
6
7static unsigned char mp_bus_to_node[BUS_NR];
8
9void set_mp_bus_to_node(int busnum, int node)
10{
11 if (busnum >= 0 && busnum < BUS_NR)
12 mp_bus_to_node[busnum] = (unsigned char) node;
13}
14
15int get_mp_bus_to_node(int busnum)
16{
17 int node;
18
19 if (busnum < 0 || busnum > (BUS_NR - 1))
20 return 0;
21 node = mp_bus_to_node[busnum];
22 return node;
23}
diff --git a/arch/x86/pci/numa.c b/arch/x86/pci/numa.c
index d9afbae5092b..8b5ca1966731 100644
--- a/arch/x86/pci/numa.c
+++ b/arch/x86/pci/numa.c
@@ -6,45 +6,21 @@
6#include <linux/init.h> 6#include <linux/init.h>
7#include <linux/nodemask.h> 7#include <linux/nodemask.h>
8#include <mach_apic.h> 8#include <mach_apic.h>
9#include <asm/mpspec.h>
9#include "pci.h" 10#include "pci.h"
10 11
11#define XQUAD_PORTIO_BASE 0xfe400000 12#define XQUAD_PORTIO_BASE 0xfe400000
12#define XQUAD_PORTIO_QUAD 0x40000 /* 256k per quad. */ 13#define XQUAD_PORTIO_QUAD 0x40000 /* 256k per quad. */
13 14
14int mp_bus_id_to_node[MAX_MP_BUSSES];
15#define BUS2QUAD(global) (mp_bus_id_to_node[global]) 15#define BUS2QUAD(global) (mp_bus_id_to_node[global])
16 16
17int mp_bus_id_to_local[MAX_MP_BUSSES];
18#define BUS2LOCAL(global) (mp_bus_id_to_local[global]) 17#define BUS2LOCAL(global) (mp_bus_id_to_local[global])
19 18
20void mpc_oem_bus_info(struct mpc_config_bus *m, char *name,
21 struct mpc_config_translation *translation)
22{
23 int quad = translation->trans_quad;
24 int local = translation->trans_local;
25
26 mp_bus_id_to_node[m->mpc_busid] = quad;
27 mp_bus_id_to_local[m->mpc_busid] = local;
28 printk(KERN_INFO "Bus #%d is %s (node %d)\n",
29 m->mpc_busid, name, quad);
30}
31
32int quad_local_to_mp_bus_id [NR_CPUS/4][4];
33#define QUADLOCAL2BUS(quad,local) (quad_local_to_mp_bus_id[quad][local]) 19#define QUADLOCAL2BUS(quad,local) (quad_local_to_mp_bus_id[quad][local])
34void mpc_oem_pci_bus(struct mpc_config_bus *m,
35 struct mpc_config_translation *translation)
36{
37 int quad = translation->trans_quad;
38 int local = translation->trans_local;
39
40 quad_local_to_mp_bus_id[quad][local] = m->mpc_busid;
41}
42 20
43/* Where the IO area was mapped on multiquad, always 0 otherwise */ 21/* Where the IO area was mapped on multiquad, always 0 otherwise */
44void *xquad_portio; 22void *xquad_portio;
45#ifdef CONFIG_X86_NUMAQ
46EXPORT_SYMBOL(xquad_portio); 23EXPORT_SYMBOL(xquad_portio);
47#endif
48 24
49#define XQUAD_PORT_ADDR(port, quad) (xquad_portio + (XQUAD_PORTIO_QUAD*quad) + port) 25#define XQUAD_PORT_ADDR(port, quad) (xquad_portio + (XQUAD_PORTIO_QUAD*quad) + port)
50 26
@@ -175,10 +151,13 @@ static void __devinit pci_fixup_i450nx(struct pci_dev *d)
175} 151}
176DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82451NX, pci_fixup_i450nx); 152DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82451NX, pci_fixup_i450nx);
177 153
178static int __init pci_numa_init(void) 154int __init pci_numa_init(void)
179{ 155{
180 int quad; 156 int quad;
181 157
158 if (!found_numaq)
159 return 0;
160
182 raw_pci_ops = &pci_direct_conf1_mq; 161 raw_pci_ops = &pci_direct_conf1_mq;
183 162
184 if (pcibios_scanned++) 163 if (pcibios_scanned++)
@@ -197,5 +176,3 @@ static int __init pci_numa_init(void)
197 } 176 }
198 return 0; 177 return 0;
199} 178}
200
201subsys_initcall(pci_numa_init);
diff --git a/arch/x86/pci/pci.h b/arch/x86/pci/pci.h
index 720c4c554534..b2270a55b0cf 100644
--- a/arch/x86/pci/pci.h
+++ b/arch/x86/pci/pci.h
@@ -27,6 +27,7 @@
27#define PCI_CAN_SKIP_ISA_ALIGN 0x8000 27#define PCI_CAN_SKIP_ISA_ALIGN 0x8000
28#define PCI_USE__CRS 0x10000 28#define PCI_USE__CRS 0x10000
29#define PCI_CHECK_ENABLE_AMD_MMCONF 0x20000 29#define PCI_CHECK_ENABLE_AMD_MMCONF 0x20000
30#define PCI_HAS_IO_ECS 0x40000
30 31
31extern unsigned int pci_probe; 32extern unsigned int pci_probe;
32extern unsigned long pirq_table_addr; 33extern unsigned long pirq_table_addr;
@@ -38,9 +39,6 @@ enum pci_bf_sort_state {
38 pci_dmi_bf, 39 pci_dmi_bf,
39}; 40};
40 41
41extern void __init dmi_check_pciprobe(void);
42extern void __init dmi_check_skip_isa_align(void);
43
44/* pci-i386.c */ 42/* pci-i386.c */
45 43
46extern unsigned int pcibios_max_latency; 44extern unsigned int pcibios_max_latency;
@@ -98,10 +96,19 @@ extern struct pci_raw_ops *raw_pci_ext_ops;
98 96
99extern struct pci_raw_ops pci_direct_conf1; 97extern struct pci_raw_ops pci_direct_conf1;
100 98
99/* arch_initcall level */
101extern int pci_direct_probe(void); 100extern int pci_direct_probe(void);
102extern void pci_direct_init(int type); 101extern void pci_direct_init(int type);
103extern void pci_pcbios_init(void); 102extern void pci_pcbios_init(void);
104extern int pci_olpc_init(void); 103extern int pci_olpc_init(void);
104extern void __init dmi_check_pciprobe(void);
105extern void __init dmi_check_skip_isa_align(void);
106
107/* some common used subsys_initcalls */
108extern int __init pci_acpi_init(void);
109extern int __init pcibios_irq_init(void);
110extern int __init pci_numa_init(void);
111extern int __init pcibios_init(void);
105 112
106/* pci-mmconfig.c */ 113/* pci-mmconfig.c */
107 114
diff --git a/arch/x86/pci/visws.c b/arch/x86/pci/visws.c
index c2df4e97eed6..1a7bed492bb1 100644
--- a/arch/x86/pci/visws.c
+++ b/arch/x86/pci/visws.c
@@ -8,18 +8,19 @@
8#include <linux/pci.h> 8#include <linux/pci.h>
9#include <linux/init.h> 9#include <linux/init.h>
10 10
11#include "cobalt.h" 11#include <asm/setup.h>
12#include "lithium.h" 12#include <asm/visws/cobalt.h>
13#include <asm/visws/lithium.h>
13 14
14#include "pci.h" 15#include "pci.h"
15 16
16static int pci_visws_enable_irq(struct pci_dev *dev) { return 0; } 17static int pci_visws_enable_irq(struct pci_dev *dev) { return 0; }
17static void pci_visws_disable_irq(struct pci_dev *dev) { } 18static void pci_visws_disable_irq(struct pci_dev *dev) { }
18 19
19int (*pcibios_enable_irq)(struct pci_dev *dev) = &pci_visws_enable_irq; 20/* int (*pcibios_enable_irq)(struct pci_dev *dev) = &pci_visws_enable_irq; */
20void (*pcibios_disable_irq)(struct pci_dev *dev) = &pci_visws_disable_irq; 21/* void (*pcibios_disable_irq)(struct pci_dev *dev) = &pci_visws_disable_irq; */
21 22
22void __init pcibios_penalize_isa_irq(int irq, int active) {} 23/* void __init pcibios_penalize_isa_irq(int irq, int active) {} */
23 24
24 25
25unsigned int pci_bus0, pci_bus1; 26unsigned int pci_bus0, pci_bus1;
@@ -85,7 +86,7 @@ void __init pcibios_update_irq(struct pci_dev *dev, int irq)
85 pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq); 86 pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq);
86} 87}
87 88
88static int __init pcibios_init(void) 89static int __init pci_visws_init(void)
89{ 90{
90 /* The VISWS supports configuration access type 1 only */ 91 /* The VISWS supports configuration access type 1 only */
91 pci_probe = (pci_probe | PCI_PROBE_CONF1) & 92 pci_probe = (pci_probe | PCI_PROBE_CONF1) &
@@ -105,4 +106,17 @@ static int __init pcibios_init(void)
105 return 0; 106 return 0;
106} 107}
107 108
108subsys_initcall(pcibios_init); 109static __init int pci_subsys_init(void)
110{
111 if (!is_visws_box())
112 return -1;
113
114 pcibios_enable_irq = &pci_visws_enable_irq;
115 pcibios_disable_irq = &pci_visws_disable_irq;
116
117 pci_visws_init();
118 pcibios_init();
119
120 return 0;
121}
122subsys_initcall(pci_subsys_init);
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-21 07:45:16 -0500