aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/pci
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/pci')
-rw-r--r--drivers/pci/hotplug/Kconfig9
-rw-r--r--drivers/pci/hotplug/cpci_hotplug_pci.c54
-rw-r--r--drivers/pci/hotplug/pciehp.h5
-rw-r--r--drivers/pci/hotplug/pciehp_hpc.c4
-rw-r--r--drivers/pci/pci-driver.c3
-rw-r--r--drivers/pci/quirks.c59
6 files changed, 107 insertions, 27 deletions
diff --git a/drivers/pci/hotplug/Kconfig b/drivers/pci/hotplug/Kconfig
index 3fae77ffb2fa..8a60f391ffcf 100644
--- a/drivers/pci/hotplug/Kconfig
+++ b/drivers/pci/hotplug/Kconfig
@@ -76,7 +76,7 @@ config HOTPLUG_PCI_IBM
76 76
77config HOTPLUG_PCI_ACPI 77config HOTPLUG_PCI_ACPI
78 tristate "ACPI PCI Hotplug driver" 78 tristate "ACPI PCI Hotplug driver"
79 depends on ACPI_DOCK && HOTPLUG_PCI 79 depends on (!ACPI_DOCK && ACPI && HOTPLUG_PCI) || (ACPI_DOCK && HOTPLUG_PCI)
80 help 80 help
81 Say Y here if you have a system that supports PCI Hotplug using 81 Say Y here if you have a system that supports PCI Hotplug using
82 ACPI. 82 ACPI.
@@ -153,13 +153,6 @@ config HOTPLUG_PCI_SHPC_POLL_EVENT_MODE
153 153
154 When in doubt, say N. 154 When in doubt, say N.
155 155
156config HOTPLUG_PCI_SHPC_PHPRM_LEGACY
157 bool "For AMD SHPC only: Use $HRT for resource/configuration"
158 depends on HOTPLUG_PCI_SHPC && !ACPI
159 help
160 Say Y here for AMD SHPC. You have to select this option if you are
161 using this driver on platform with AMD SHPC.
162
163config HOTPLUG_PCI_RPA 156config HOTPLUG_PCI_RPA
164 tristate "RPA PCI Hotplug driver" 157 tristate "RPA PCI Hotplug driver"
165 depends on HOTPLUG_PCI && PPC_PSERIES && PPC64 && !HOTPLUG_PCI_FAKE 158 depends on HOTPLUG_PCI && PPC_PSERIES && PPC64 && !HOTPLUG_PCI_FAKE
diff --git a/drivers/pci/hotplug/cpci_hotplug_pci.c b/drivers/pci/hotplug/cpci_hotplug_pci.c
index 02be74caa89f..4afcaffd031c 100644
--- a/drivers/pci/hotplug/cpci_hotplug_pci.c
+++ b/drivers/pci/hotplug/cpci_hotplug_pci.c
@@ -254,8 +254,8 @@ int cpci_led_off(struct slot* slot)
254 254
255int cpci_configure_slot(struct slot* slot) 255int cpci_configure_slot(struct slot* slot)
256{ 256{
257 unsigned char busnr; 257 struct pci_bus *parent;
258 struct pci_bus *child; 258 int fn;
259 259
260 dbg("%s - enter", __FUNCTION__); 260 dbg("%s - enter", __FUNCTION__);
261 261
@@ -276,23 +276,53 @@ int cpci_configure_slot(struct slot* slot)
276 */ 276 */
277 n = pci_scan_slot(slot->bus, slot->devfn); 277 n = pci_scan_slot(slot->bus, slot->devfn);
278 dbg("%s: pci_scan_slot returned %d", __FUNCTION__, n); 278 dbg("%s: pci_scan_slot returned %d", __FUNCTION__, n);
279 if (n > 0)
280 pci_bus_add_devices(slot->bus);
281 slot->dev = pci_get_slot(slot->bus, slot->devfn); 279 slot->dev = pci_get_slot(slot->bus, slot->devfn);
282 if (slot->dev == NULL) { 280 if (slot->dev == NULL) {
283 err("Could not find PCI device for slot %02x", slot->number); 281 err("Could not find PCI device for slot %02x", slot->number);
284 return 1; 282 return -ENODEV;
285 } 283 }
286 } 284 }
287 285 parent = slot->dev->bus;
288 if (slot->dev->hdr_type == PCI_HEADER_TYPE_BRIDGE) { 286
289 pci_read_config_byte(slot->dev, PCI_SECONDARY_BUS, &busnr); 287 for (fn = 0; fn < 8; fn++) {
290 child = pci_add_new_bus(slot->dev->bus, slot->dev, busnr); 288 struct pci_dev *dev;
291 pci_do_scan_bus(child); 289
292 pci_bus_size_bridges(child); 290 dev = pci_get_slot(parent, PCI_DEVFN(PCI_SLOT(slot->devfn), fn));
291 if (!dev)
292 continue;
293 if ((dev->hdr_type == PCI_HEADER_TYPE_BRIDGE) ||
294 (dev->hdr_type == PCI_HEADER_TYPE_CARDBUS)) {
295 /* Find an unused bus number for the new bridge */
296 struct pci_bus *child;
297 unsigned char busnr, start = parent->secondary;
298 unsigned char end = parent->subordinate;
299
300 for (busnr = start; busnr <= end; busnr++) {
301 if (!pci_find_bus(pci_domain_nr(parent),
302 busnr))
303 break;
304 }
305 if (busnr >= end) {
306 err("No free bus for hot-added bridge\n");
307 pci_dev_put(dev);
308 continue;
309 }
310 child = pci_add_new_bus(parent, dev, busnr);
311 if (!child) {
312 err("Cannot add new bus for %s\n",
313 pci_name(dev));
314 pci_dev_put(dev);
315 continue;
316 }
317 child->subordinate = pci_do_scan_bus(child);
318 pci_bus_size_bridges(child);
319 }
320 pci_dev_put(dev);
293 } 321 }
294 322
295 pci_bus_assign_resources(slot->dev->bus); 323 pci_bus_assign_resources(parent);
324 pci_bus_add_devices(parent);
325 pci_enable_bridges(parent);
296 326
297 dbg("%s - exit", __FUNCTION__); 327 dbg("%s - exit", __FUNCTION__);
298 return 0; 328 return 0;
diff --git a/drivers/pci/hotplug/pciehp.h b/drivers/pci/hotplug/pciehp.h
index ce89f5815861..eaea9d36a1bb 100644
--- a/drivers/pci/hotplug/pciehp.h
+++ b/drivers/pci/hotplug/pciehp.h
@@ -279,6 +279,11 @@ struct hpc_ops {
279 279
280 280
281#ifdef CONFIG_ACPI 281#ifdef CONFIG_ACPI
282#include <acpi/acpi.h>
283#include <acpi/acpi_bus.h>
284#include <acpi/actypes.h>
285#include <linux/pci-acpi.h>
286
282#define pciehp_get_hp_hw_control_from_firmware(dev) \ 287#define pciehp_get_hp_hw_control_from_firmware(dev) \
283 pciehp_acpi_get_hp_hw_control_from_firmware(dev) 288 pciehp_acpi_get_hp_hw_control_from_firmware(dev)
284static inline int pciehp_get_hp_params_from_firmware(struct pci_dev *dev, 289static inline int pciehp_get_hp_params_from_firmware(struct pci_dev *dev,
diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c
index 0d8fb6e607a1..6ab3b6cd2b54 100644
--- a/drivers/pci/hotplug/pciehp_hpc.c
+++ b/drivers/pci/hotplug/pciehp_hpc.c
@@ -38,10 +38,6 @@
38 38
39#include "../pci.h" 39#include "../pci.h"
40#include "pciehp.h" 40#include "pciehp.h"
41#include <acpi/acpi.h>
42#include <acpi/acpi_bus.h>
43#include <acpi/actypes.h>
44#include <linux/pci-acpi.h>
45#ifdef DEBUG 41#ifdef DEBUG
46#define DBG_K_TRACE_ENTRY ((unsigned int)0x00000001) /* On function entry */ 42#define DBG_K_TRACE_ENTRY ((unsigned int)0x00000001) /* On function entry */
47#define DBG_K_TRACE_EXIT ((unsigned int)0x00000002) /* On function exit */ 43#define DBG_K_TRACE_EXIT ((unsigned int)0x00000002) /* On function exit */
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
index 10e1a905c144..474e9cd0e9e4 100644
--- a/drivers/pci/pci-driver.c
+++ b/drivers/pci/pci-driver.c
@@ -139,9 +139,8 @@ const struct pci_device_id *pci_match_id(const struct pci_device_id *ids,
139/** 139/**
140 * pci_match_device - Tell if a PCI device structure has a matching 140 * pci_match_device - Tell if a PCI device structure has a matching
141 * PCI device id structure 141 * PCI device id structure
142 * @ids: array of PCI device id structures to search in
143 * @dev: the PCI device structure to match against
144 * @drv: the PCI driver to match against 142 * @drv: the PCI driver to match against
143 * @dev: the PCI device structure to match against
145 * 144 *
146 * Used by a driver to check whether a PCI device present in the 145 * Used by a driver to check whether a PCI device present in the
147 * system is in its list of supported devices. Returns the matching 146 * system is in its list of supported devices. Returns the matching
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index fb08bc951ac0..73177429fe74 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -438,6 +438,7 @@ static void __devinit quirk_ich6_lpc_acpi(struct pci_dev *dev)
438 pci_read_config_dword(dev, 0x48, &region); 438 pci_read_config_dword(dev, 0x48, &region);
439 quirk_io_region(dev, region, 64, PCI_BRIDGE_RESOURCES+1, "ICH6 GPIO"); 439 quirk_io_region(dev, region, 64, PCI_BRIDGE_RESOURCES+1, "ICH6 GPIO");
440} 440}
441DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH6_0, quirk_ich6_lpc_acpi );
441DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH6_1, quirk_ich6_lpc_acpi ); 442DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH6_1, quirk_ich6_lpc_acpi );
442 443
443/* 444/*
@@ -1091,7 +1092,6 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801CA_0, asu
1091DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801CA_12, asus_hides_smbus_lpc ); 1092DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801CA_12, asus_hides_smbus_lpc );
1092DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801DB_12, asus_hides_smbus_lpc ); 1093DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801DB_12, asus_hides_smbus_lpc );
1093DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801EB_0, asus_hides_smbus_lpc ); 1094DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801EB_0, asus_hides_smbus_lpc );
1094DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH6_1, asus_hides_smbus_lpc );
1095 1095
1096static void __init asus_hides_smbus_lpc_ich6(struct pci_dev *dev) 1096static void __init asus_hides_smbus_lpc_ich6(struct pci_dev *dev)
1097{ 1097{
@@ -1518,6 +1518,63 @@ static void __devinit quirk_netmos(struct pci_dev *dev)
1518} 1518}
1519DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NETMOS, PCI_ANY_ID, quirk_netmos); 1519DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NETMOS, PCI_ANY_ID, quirk_netmos);
1520 1520
1521static void __devinit quirk_e100_interrupt(struct pci_dev *dev)
1522{
1523 u16 command;
1524 u32 bar;
1525 u8 __iomem *csr;
1526 u8 cmd_hi;
1527
1528 switch (dev->device) {
1529 /* PCI IDs taken from drivers/net/e100.c */
1530 case 0x1029:
1531 case 0x1030 ... 0x1034:
1532 case 0x1038 ... 0x103E:
1533 case 0x1050 ... 0x1057:
1534 case 0x1059:
1535 case 0x1064 ... 0x106B:
1536 case 0x1091 ... 0x1095:
1537 case 0x1209:
1538 case 0x1229:
1539 case 0x2449:
1540 case 0x2459:
1541 case 0x245D:
1542 case 0x27DC:
1543 break;
1544 default:
1545 return;
1546 }
1547
1548 /*
1549 * Some firmware hands off the e100 with interrupts enabled,
1550 * which can cause a flood of interrupts if packets are
1551 * received before the driver attaches to the device. So
1552 * disable all e100 interrupts here. The driver will
1553 * re-enable them when it's ready.
1554 */
1555 pci_read_config_word(dev, PCI_COMMAND, &command);
1556 pci_read_config_dword(dev, PCI_BASE_ADDRESS_0, &bar);
1557
1558 if (!(command & PCI_COMMAND_MEMORY) || !bar)
1559 return;
1560
1561 csr = ioremap(bar, 8);
1562 if (!csr) {
1563 printk(KERN_WARNING "PCI: Can't map %s e100 registers\n",
1564 pci_name(dev));
1565 return;
1566 }
1567
1568 cmd_hi = readb(csr + 3);
1569 if (cmd_hi == 0) {
1570 printk(KERN_WARNING "PCI: Firmware left %s e100 interrupts "
1571 "enabled, disabling\n", pci_name(dev));
1572 writeb(1, csr + 3);
1573 }
1574
1575 iounmap(csr);
1576}
1577DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, PCI_ANY_ID, quirk_e100_interrupt);
1521 1578
1522static void __devinit fixup_rev1_53c810(struct pci_dev* dev) 1579static void __devinit fixup_rev1_53c810(struct pci_dev* dev)
1523{ 1580{