diff options
Diffstat (limited to 'arch/x86/pci')
| -rw-r--r-- | arch/x86/pci/amd_bus.c | 33 | ||||
| -rw-r--r-- | arch/x86/pci/broadcom_bus.c | 11 | ||||
| -rw-r--r-- | arch/x86/pci/common.c | 41 | ||||
| -rw-r--r-- | arch/x86/pci/irq.c | 3 |
4 files changed, 83 insertions, 5 deletions
diff --git a/arch/x86/pci/amd_bus.c b/arch/x86/pci/amd_bus.c index fc1e8fe07e5c..e27dffbbb1a7 100644 --- a/arch/x86/pci/amd_bus.c +++ b/arch/x86/pci/amd_bus.c @@ -4,6 +4,7 @@ #include <linux/cpu.h> #include <linux/range.h> +#include <asm/amd_nb.h> #include <asm/pci_x86.h> #include <asm/pci-direct.h> @@ -378,6 +379,34 @@ static struct notifier_block __cpuinitdata amd_cpu_notifier = { .notifier_call = amd_cpu_notify, }; +static void __init pci_enable_pci_io_ecs(void) +{ +#ifdef CONFIG_AMD_NB + unsigned int i, n; + + for (n = i = 0; !n && amd_nb_bus_dev_ranges[i].dev_limit; ++i) { + u8 bus = amd_nb_bus_dev_ranges[i].bus; + u8 slot = amd_nb_bus_dev_ranges[i].dev_base; + u8 limit = amd_nb_bus_dev_ranges[i].dev_limit; + + for (; slot < limit; ++slot) { + u32 val = read_pci_config(bus, slot, 3, 0); + + if (!early_is_amd_nb(val)) + continue; + + val = read_pci_config(bus, slot, 3, 0x8c); + if (!(val & (ENABLE_CF8_EXT_CFG >> 32))) { + val |= ENABLE_CF8_EXT_CFG >> 32; + write_pci_config(bus, slot, 3, 0x8c, val); + } + ++n; + } + } + pr_info("Extended Config Space enabled on %u nodes\n", n); +#endif +} + static int __init pci_io_ecs_init(void) { int cpu; @@ -386,6 +415,10 @@ static int __init pci_io_ecs_init(void) if (boot_cpu_data.x86 < 0x10) return 0; + /* Try the PCI method first. */ + if (early_pci_allowed()) + pci_enable_pci_io_ecs(); + register_cpu_notifier(&amd_cpu_notifier); for_each_online_cpu(cpu) amd_cpu_notify(&amd_cpu_notifier, (unsigned long)CPU_ONLINE, diff --git a/arch/x86/pci/broadcom_bus.c b/arch/x86/pci/broadcom_bus.c index 0846a5bbbfbd..ab8269b0da29 100644 --- a/arch/x86/pci/broadcom_bus.c +++ b/arch/x86/pci/broadcom_bus.c @@ -9,6 +9,7 @@ * option) any later version. */ +#include <linux/acpi.h> #include <linux/delay.h> #include <linux/dmi.h> #include <linux/pci.h> @@ -25,12 +26,14 @@ static void __devinit cnb20le_res(struct pci_dev *dev) u8 fbus, lbus; int i; +#ifdef CONFIG_ACPI /* - * The x86_pci_root_bus_res_quirks() function already refuses to use - * this information if ACPI _CRS was used. Therefore, we don't bother - * checking if ACPI is enabled, and just generate the information - * for both the ACPI _CRS and no ACPI cases. + * We should get host bridge information from ACPI unless the BIOS + * doesn't support it. */ + if (acpi_os_get_root_pointer()) + return; +#endif info = &pci_root_info[pci_root_num]; pci_root_num++; diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c index f7c8a399978c..5fe75026ecc2 100644 --- a/arch/x86/pci/common.c +++ b/arch/x86/pci/common.c @@ -22,6 +22,7 @@ unsigned int pci_probe = PCI_PROBE_BIOS | PCI_PROBE_CONF1 | PCI_PROBE_CONF2 | unsigned int pci_early_dump_regs; static int pci_bf_sort; +static int smbios_type_b1_flag; int pci_routeirq; int noioapicquirk; #ifdef CONFIG_X86_REROUTE_FOR_BROKEN_BOOT_IRQS @@ -185,6 +186,39 @@ static int __devinit set_bf_sort(const struct dmi_system_id *d) return 0; } +static void __devinit read_dmi_type_b1(const struct dmi_header *dm, + void *private_data) +{ + u8 *d = (u8 *)dm + 4; + + if (dm->type != 0xB1) + return; + switch (((*(u32 *)d) >> 9) & 0x03) { + case 0x00: + printk(KERN_INFO "dmi type 0xB1 record - unknown flag\n"); + break; + case 0x01: /* set pci=bfsort */ + smbios_type_b1_flag = 1; + break; + case 0x02: /* do not set pci=bfsort */ + smbios_type_b1_flag = 2; + break; + default: + break; + } +} + +static int __devinit find_sort_method(const struct dmi_system_id *d) +{ + dmi_walk(read_dmi_type_b1, NULL); + + if (smbios_type_b1_flag == 1) { + set_bf_sort(d); + return 0; + } + return -1; +} + /* * Enable renumbering of PCI bus# ranges to reach all PCI busses (Cardbus) */ @@ -213,6 +247,13 @@ static const struct dmi_system_id __devinitconst pciprobe_dmi_table[] = { }, #endif /* __i386__ */ { + .callback = find_sort_method, + .ident = "Dell System", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"), + }, + }, + { .callback = set_bf_sort, .ident = "Dell PowerEdge 1950", .matches = { diff --git a/arch/x86/pci/irq.c b/arch/x86/pci/irq.c index 9f9bfb705cf9..87e6c8323117 100644 --- a/arch/x86/pci/irq.c +++ b/arch/x86/pci/irq.c @@ -589,7 +589,8 @@ static __init int intel_router_probe(struct irq_router *r, struct pci_dev *route case PCI_DEVICE_ID_INTEL_ICH10_1: case PCI_DEVICE_ID_INTEL_ICH10_2: case PCI_DEVICE_ID_INTEL_ICH10_3: - case PCI_DEVICE_ID_INTEL_PATSBURG_LPC: + case PCI_DEVICE_ID_INTEL_PATSBURG_LPC_0: + case PCI_DEVICE_ID_INTEL_PATSBURG_LPC_1: r->name = "PIIX/ICH"; r->get = pirq_piix_get; r->set = pirq_piix_set; |