diff options
64 files changed, 796 insertions, 681 deletions
diff --git a/Documentation/devicetree/bindings/pci/ti-pci.txt b/Documentation/devicetree/bindings/pci/ti-pci.txt index 3d217911b313..60e25161f351 100644 --- a/Documentation/devicetree/bindings/pci/ti-pci.txt +++ b/Documentation/devicetree/bindings/pci/ti-pci.txt @@ -23,6 +23,9 @@ PCIe Designware Controller interrupt-map-mask, interrupt-map : as specified in ../designware-pcie.txt +Optional Property: + - gpios : Should be added if a gpio line is required to drive PERST# line + Example: axi { compatible = "simple-bus"; diff --git a/arch/alpha/kernel/pci.c b/arch/alpha/kernel/pci.c index 82f738e5d54c..cded02c890aa 100644 --- a/arch/alpha/kernel/pci.c +++ b/arch/alpha/kernel/pci.c @@ -242,12 +242,7 @@ pci_restore_srm_config(void) void pcibios_fixup_bus(struct pci_bus *bus) { - struct pci_dev *dev = bus->self; - - if (pci_has_flag(PCI_PROBE_ONLY) && dev && - (dev->class >> 8) == PCI_CLASS_BRIDGE_PCI) { - pci_read_bridge_bases(bus); - } + struct pci_dev *dev; list_for_each_entry(dev, &bus->devices, bus_list) { pdev_save_srm_config(dev); diff --git a/arch/arm/boot/dts/am57xx-beagle-x15.dts b/arch/arm/boot/dts/am57xx-beagle-x15.dts index a63bf78191ea..f9a4b317ed2f 100644 --- a/arch/arm/boot/dts/am57xx-beagle-x15.dts +++ b/arch/arm/boot/dts/am57xx-beagle-x15.dts @@ -693,3 +693,7 @@ }; }; }; + +&pcie1 { + gpios = <&gpio2 8 GPIO_ACTIVE_LOW>; +}; diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi index e60677e25d62..b058b3146874 100644 --- a/arch/arm/boot/dts/dra7.dtsi +++ b/arch/arm/boot/dts/dra7.dtsi @@ -211,7 +211,7 @@ #address-cells = <1>; ranges = <0x51000000 0x51000000 0x3000 0x0 0x20000000 0x10000000>; - pcie@51000000 { + pcie1: pcie@51000000 { compatible = "ti,dra7-pcie"; reg = <0x51000000 0x2000>, <0x51002000 0x14c>, <0x1000 0x2000>; reg-names = "rc_dbics", "ti_conf", "config"; diff --git a/arch/arm/include/asm/mach/pci.h b/arch/arm/include/asm/mach/pci.h index 28b9bb35949e..8857d2869a5f 100644 --- a/arch/arm/include/asm/mach/pci.h +++ b/arch/arm/include/asm/mach/pci.h @@ -19,9 +19,7 @@ struct pci_bus; struct device; struct hw_pci { -#ifdef CONFIG_PCI_MSI struct msi_controller *msi_ctrl; -#endif struct pci_ops *ops; int nr_controllers; void **private_data; @@ -42,9 +40,6 @@ struct hw_pci { * Per-controller structure */ struct pci_sys_data { -#ifdef CONFIG_PCI_MSI - struct msi_controller *msi_ctrl; -#endif struct list_head node; int busnr; /* primary bus number */ u64 mem_offset; /* bus->cpu memory mapping offset */ diff --git a/arch/arm/kernel/bios32.c b/arch/arm/kernel/bios32.c index fcbbbb1b9e95..874e1823f803 100644 --- a/arch/arm/kernel/bios32.c +++ b/arch/arm/kernel/bios32.c @@ -18,15 +18,6 @@ static int debug_pci; -#ifdef CONFIG_PCI_MSI -struct msi_controller *pcibios_msi_controller(struct pci_dev *dev) -{ - struct pci_sys_data *sysdata = dev->bus->sysdata; - - return sysdata->msi_ctrl; -} -#endif - /* * We can't use pci_get_device() here since we are * called from interrupt context. @@ -459,12 +450,9 @@ static void pcibios_init_hw(struct device *parent, struct hw_pci *hw, for (nr = busnr = 0; nr < hw->nr_controllers; nr++) { sys = kzalloc(sizeof(struct pci_sys_data), GFP_KERNEL); - if (!sys) - panic("PCI: unable to allocate sys data!"); + if (WARN(!sys, "PCI: unable to allocate sys data!")) + break; -#ifdef CONFIG_PCI_MSI - sys->msi_ctrl = hw->msi_ctrl; -#endif sys->busnr = busnr; sys->swizzle = hw->swizzle; sys->map_irq = hw->map_irq; @@ -486,11 +474,14 @@ static void pcibios_init_hw(struct device *parent, struct hw_pci *hw, if (hw->scan) sys->bus = hw->scan(nr, sys); else - sys->bus = pci_scan_root_bus(parent, sys->busnr, - hw->ops, sys, &sys->resources); + sys->bus = pci_scan_root_bus_msi(parent, + sys->busnr, hw->ops, sys, + &sys->resources, hw->msi_ctrl); - if (!sys->bus) - panic("PCI: unable to scan bus!"); + if (WARN(!sys->bus, "PCI: unable to scan bus!")) { + kfree(sys); + break; + } busnr = sys->bus->busn_res.end + 1; @@ -521,6 +512,8 @@ void pci_common_init_dev(struct device *parent, struct hw_pci *hw) struct pci_bus *bus = sys->bus; if (!pci_has_flag(PCI_PROBE_ONLY)) { + struct pci_bus *child; + /* * Size the bridge windows. */ @@ -530,25 +523,15 @@ void pci_common_init_dev(struct device *parent, struct hw_pci *hw) * Assign resources. */ pci_bus_assign_resources(bus); - } + list_for_each_entry(child, &bus->children, node) + pcie_bus_configure_settings(child); + } /* * Tell drivers about devices found. */ pci_bus_add_devices(bus); } - - list_for_each_entry(sys, &head, node) { - struct pci_bus *bus = sys->bus; - - /* Configure PCI Express settings */ - if (bus && !pci_has_flag(PCI_PROBE_ONLY)) { - struct pci_bus *child; - - list_for_each_entry(child, &bus->children, node) - pcie_bus_configure_settings(child); - } - } } #ifndef CONFIG_PCI_HOST_ITE8152 diff --git a/arch/arm64/boot/dts/apm/apm-storm.dtsi b/arch/arm64/boot/dts/apm/apm-storm.dtsi index 58093edeea2e..d831bc2ac204 100644 --- a/arch/arm64/boot/dts/apm/apm-storm.dtsi +++ b/arch/arm64/boot/dts/apm/apm-storm.dtsi @@ -490,7 +490,8 @@ 0xe0 0xd0000000 0x0 0x00040000>; /* PCI config space */ reg-names = "csr", "cfg"; ranges = <0x01000000 0x00 0x00000000 0xe0 0x10000000 0x00 0x00010000 /* io */ - 0x02000000 0x00 0x80000000 0xe1 0x80000000 0x00 0x80000000>; /* mem */ + 0x02000000 0x00 0x80000000 0xe1 0x80000000 0x00 0x80000000 /* mem */ + 0x43000000 0xf0 0x00000000 0xf0 0x00000000 0x10 0x00000000>; /* mem */ dma-ranges = <0x42000000 0x80 0x00000000 0x80 0x00000000 0x00 0x80000000 0x42000000 0x00 0x00000000 0x00 0x00000000 0x80 0x00000000>; interrupt-map-mask = <0x0 0x0 0x0 0x7>; @@ -513,8 +514,9 @@ reg = < 0x00 0x1f2c0000 0x0 0x00010000 /* Controller registers */ 0xd0 0xd0000000 0x0 0x00040000>; /* PCI config space */ reg-names = "csr", "cfg"; - ranges = <0x01000000 0x0 0x00000000 0xd0 0x10000000 0x00 0x00010000 /* io */ - 0x02000000 0x0 0x80000000 0xd1 0x80000000 0x00 0x80000000>; /* mem */ + ranges = <0x01000000 0x00 0x00000000 0xd0 0x10000000 0x00 0x00010000 /* io */ + 0x02000000 0x00 0x80000000 0xd1 0x80000000 0x00 0x80000000 /* mem */ + 0x43000000 0xd8 0x00000000 0xd8 0x00000000 0x08 0x00000000>; /* mem */ dma-ranges = <0x42000000 0x80 0x00000000 0x80 0x00000000 0x00 0x80000000 0x42000000 0x00 0x00000000 0x00 0x00000000 0x80 0x00000000>; interrupt-map-mask = <0x0 0x0 0x0 0x7>; @@ -537,8 +539,9 @@ reg = < 0x00 0x1f2d0000 0x0 0x00010000 /* Controller registers */ 0x90 0xd0000000 0x0 0x00040000>; /* PCI config space */ reg-names = "csr", "cfg"; - ranges = <0x01000000 0x0 0x00000000 0x90 0x10000000 0x0 0x00010000 /* io */ - 0x02000000 0x0 0x80000000 0x91 0x80000000 0x0 0x80000000>; /* mem */ + ranges = <0x01000000 0x00 0x00000000 0x90 0x10000000 0x00 0x00010000 /* io */ + 0x02000000 0x00 0x80000000 0x91 0x80000000 0x00 0x80000000 /* mem */ + 0x43000000 0x94 0x00000000 0x94 0x00000000 0x04 0x00000000>; /* mem */ dma-ranges = <0x42000000 0x80 0x00000000 0x80 0x00000000 0x00 0x80000000 0x42000000 0x00 0x00000000 0x00 0x00000000 0x80 0x00000000>; interrupt-map-mask = <0x0 0x0 0x0 0x7>; @@ -561,8 +564,9 @@ reg = < 0x00 0x1f500000 0x0 0x00010000 /* Controller registers */ 0xa0 0xd0000000 0x0 0x00040000>; /* PCI config space */ reg-names = "csr", "cfg"; - ranges = <0x01000000 0x0 0x00000000 0xa0 0x10000000 0x0 0x00010000 /* io */ - 0x02000000 0x0 0x80000000 0xa1 0x80000000 0x0 0x80000000>; /* mem */ + ranges = <0x01000000 0x00 0x00000000 0xa0 0x10000000 0x00 0x00010000 /* io */ + 0x02000000 0x00 0x80000000 0xa1 0x80000000 0x00 0x80000000 /* mem */ + 0x43000000 0xb0 0x00000000 0xb0 0x00000000 0x10 0x00000000>; /* mem */ dma-ranges = <0x42000000 0x80 0x00000000 0x80 0x00000000 0x00 0x80000000 0x42000000 0x00 0x00000000 0x00 0x00000000 0x80 0x00000000>; interrupt-map-mask = <0x0 0x0 0x0 0x7>; @@ -585,8 +589,9 @@ reg = < 0x00 0x1f510000 0x0 0x00010000 /* Controller registers */ 0xc0 0xd0000000 0x0 0x00200000>; /* PCI config space */ reg-names = "csr", "cfg"; - ranges = <0x01000000 0x0 0x00000000 0xc0 0x10000000 0x0 0x00010000 /* io */ - 0x02000000 0x0 0x80000000 0xc1 0x80000000 0x0 0x80000000>; /* mem */ + ranges = <0x01000000 0x00 0x00000000 0xc0 0x10000000 0x00 0x00010000 /* io */ + 0x02000000 0x00 0x80000000 0xc1 0x80000000 0x00 0x80000000 /* mem */ + 0x43000000 0xc8 0x00000000 0xc8 0x00000000 0x08 0x00000000>; /* mem */ dma-ranges = <0x42000000 0x80 0x00000000 0x80 0x00000000 0x00 0x80000000 0x42000000 0x00 0x00000000 0x00 0x00000000 0x80 0x00000000>; interrupt-map-mask = <0x0 0x0 0x0 0x7>; diff --git a/arch/frv/mb93090-mb00/pci-frv.c b/arch/frv/mb93090-mb00/pci-frv.c index 0635bd6c2af3..34bb4b13e079 100644 --- a/arch/frv/mb93090-mb00/pci-frv.c +++ b/arch/frv/mb93090-mb00/pci-frv.c @@ -175,14 +175,6 @@ static void __init pcibios_assign_resources(void) if (!r->start && r->end) pci_assign_resource(dev, idx); } - - if (pci_probe & PCI_ASSIGN_ROMS) { - r = &dev->resource[PCI_ROM_RESOURCE]; - r->end -= r->start; - r->start = 0; - if (r->end) - pci_assign_resource(dev, PCI_ROM_RESOURCE); - } } } diff --git a/arch/frv/mb93090-mb00/pci-frv.h b/arch/frv/mb93090-mb00/pci-frv.h index a7e487fe76ed..d51992ff5a61 100644 --- a/arch/frv/mb93090-mb00/pci-frv.h +++ b/arch/frv/mb93090-mb00/pci-frv.h @@ -14,14 +14,6 @@ #define DBG(x...) #endif -#define PCI_PROBE_BIOS 0x0001 -#define PCI_PROBE_CONF1 0x0002 -#define PCI_PROBE_CONF2 0x0004 -#define PCI_NO_CHECKS 0x0400 -#define PCI_ASSIGN_ROMS 0x1000 -#define PCI_BIOS_IRQ_SCAN 0x2000 -#define PCI_ASSIGN_ALL_BUSSES 0x4000 - extern unsigned int __nongpreldata pci_probe; /* pci-frv.c */ diff --git a/arch/frv/mb93090-mb00/pci-vdk.c b/arch/frv/mb93090-mb00/pci-vdk.c index f211839e2cae..f9c86c475bbd 100644 --- a/arch/frv/mb93090-mb00/pci-vdk.c +++ b/arch/frv/mb93090-mb00/pci-vdk.c @@ -294,8 +294,6 @@ void pcibios_fixup_bus(struct pci_bus *bus) printk("### PCIBIOS_FIXUP_BUS(%d)\n",bus->number); #endif - pci_read_bridge_bases(bus); - if (bus->number == 0) { struct pci_dev *dev; list_for_each_entry(dev, &bus->devices, bus_list) { diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c index 7cc3be9fa7c6..d89b6013c941 100644 --- a/arch/ia64/pci/pci.c +++ b/arch/ia64/pci/pci.c @@ -533,10 +533,9 @@ void pcibios_fixup_bus(struct pci_bus *b) { struct pci_dev *dev; - if (b->self) { - pci_read_bridge_bases(b); + if (b->self) pcibios_fixup_bridge_resources(b->self); - } + list_for_each_entry(dev, &b->devices, bus_list) pcibios_fixup_device_resources(dev); platform_pci_fixup_bus(b); diff --git a/arch/microblaze/pci/pci-common.c b/arch/microblaze/pci/pci-common.c index ae838ed5fcf2..6b8b75266801 100644 --- a/arch/microblaze/pci/pci-common.c +++ b/arch/microblaze/pci/pci-common.c @@ -863,14 +863,7 @@ void pcibios_setup_bus_devices(struct pci_bus *bus) void pcibios_fixup_bus(struct pci_bus *bus) { - /* When called from the generic PCI probe, read PCI<->PCI bridge - * bases. This is -not- called when generating the PCI tree from - * the OF device-tree. - */ - if (bus->self != NULL) - pci_read_bridge_bases(bus); - - /* Now fixup the bus bus */ + /* Fixup the bus */ pcibios_setup_bus_self(bus); /* Now fixup devices on that bus */ diff --git a/arch/mips/pci/pci.c b/arch/mips/pci/pci.c index b8a0bf5766f2..c6996cf67a5c 100644 --- a/arch/mips/pci/pci.c +++ b/arch/mips/pci/pci.c @@ -311,12 +311,6 @@ int pcibios_enable_device(struct pci_dev *dev, int mask) void pcibios_fixup_bus(struct pci_bus *bus) { - struct pci_dev *dev = bus->self; - - if (pci_has_flag(PCI_PROBE_ONLY) && dev && - (dev->class >> 8) == PCI_CLASS_BRIDGE_PCI) { - pci_read_bridge_bases(bus); - } } EXPORT_SYMBOL(PCIBIOS_MIN_IO); diff --git a/arch/mn10300/unit-asb2305/pci-asb2305.c b/arch/mn10300/unit-asb2305/pci-asb2305.c index b5b036f64275..b7ab8378964c 100644 --- a/arch/mn10300/unit-asb2305/pci-asb2305.c +++ b/arch/mn10300/unit-asb2305/pci-asb2305.c @@ -183,18 +183,16 @@ static int __init pcibios_assign_resources(void) struct pci_dev *dev = NULL; struct resource *r; - if (!(pci_probe & PCI_ASSIGN_ROMS)) { - /* Try to use BIOS settings for ROMs, otherwise let - pci_assign_unassigned_resources() allocate the new - addresses. */ - for_each_pci_dev(dev) { - r = &dev->resource[PCI_ROM_RESOURCE]; - if (!r->flags || !r->start) - continue; - if (pci_claim_resource(dev, PCI_ROM_RESOURCE) < 0) { - r->end -= r->start; - r->start = 0; - } + /* Try to use BIOS settings for ROMs, otherwise let + pci_assign_unassigned_resources() allocate the new + addresses. */ + for_each_pci_dev(dev) { + r = &dev->resource[PCI_ROM_RESOURCE]; + if (!r->flags || !r->start) + continue; + if (pci_claim_resource(dev, PCI_ROM_RESOURCE) < 0) { + r->end -= r->start; + r->start = 0; } } diff --git a/arch/mn10300/unit-asb2305/pci-asb2305.h b/arch/mn10300/unit-asb2305/pci-asb2305.h index 9e17aca5a2a1..96c484b12226 100644 --- a/arch/mn10300/unit-asb2305/pci-asb2305.h +++ b/arch/mn10300/unit-asb2305/pci-asb2305.h @@ -20,13 +20,6 @@ #define DBG(x...) #endif -#define PCI_PROBE_BIOS 1 -#define PCI_PROBE_CONF1 2 -#define PCI_PROBE_CONF2 4 -#define PCI_NO_CHECKS 0x400 -#define PCI_ASSIGN_ROMS 0x1000 -#define PCI_BIOS_IRQ_SCAN 0x2000 - extern unsigned int pci_probe; /* pci-asb2305.c */ diff --git a/arch/mn10300/unit-asb2305/pci.c b/arch/mn10300/unit-asb2305/pci.c index 3dfe2d31c67b..deaa893efba5 100644 --- a/arch/mn10300/unit-asb2305/pci.c +++ b/arch/mn10300/unit-asb2305/pci.c @@ -324,7 +324,6 @@ void pcibios_fixup_bus(struct pci_bus *bus) struct pci_dev *dev; if (bus->self) { - pci_read_bridge_bases(bus); pcibios_fixup_bridge_resources(bus->self); } diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c index b9de34d44fcb..02c1d5dcee4d 100644 --- a/arch/powerpc/kernel/pci-common.c +++ b/arch/powerpc/kernel/pci-common.c @@ -1044,13 +1044,7 @@ void pcibios_set_master(struct pci_dev *dev) void pcibios_fixup_bus(struct pci_bus *bus) { - /* When called from the generic PCI probe, read PCI<->PCI bridge - * bases. This is -not- called when generating the PCI tree from - * the OF device-tree. - */ - pci_read_bridge_bases(bus); - - /* Now fixup the bus bus */ + /* Fixup the bus */ pcibios_setup_bus_self(bus); /* Now fixup devices on that bus */ diff --git a/arch/powerpc/kernel/pci_of_scan.c b/arch/powerpc/kernel/pci_of_scan.c index efc3fa54c90b..c8c62c7fc31c 100644 --- a/arch/powerpc/kernel/pci_of_scan.c +++ b/arch/powerpc/kernel/pci_of_scan.c @@ -126,7 +126,6 @@ struct pci_dev *of_create_pci_dev(struct device_node *node, { struct pci_dev *dev; const char *type; - struct pci_slot *slot; dev = pci_alloc_dev(bus); if (!dev) @@ -145,10 +144,7 @@ struct pci_dev *of_create_pci_dev(struct device_node *node, dev->needs_freset = 0; /* pcie fundamental reset required */ set_pcie_port_type(dev); - list_for_each_entry(slot, &dev->bus->slots, list) - if (PCI_SLOT(dev->devfn) == slot->number) - dev->slot = slot; - + pci_dev_assign_slot(dev); dev->vendor = get_int_prop(node, "vendor-id", 0xffff); dev->device = get_int_prop(node, "device-id", 0xffff); dev->subsystem_vendor = get_int_prop(node, "subsystem-vendor-id", 0); diff --git a/arch/sh/drivers/pci/pci-sh4.h b/arch/sh/drivers/pci/pci-sh4.h index cbf763b3015e..0288efc17ff3 100644 --- a/arch/sh/drivers/pci/pci-sh4.h +++ b/arch/sh/drivers/pci/pci-sh4.h @@ -11,14 +11,6 @@ #include <asm/io.h> -/* startup values */ -#define PCI_PROBE_BIOS 1 -#define PCI_PROBE_CONF1 2 -#define PCI_PROBE_CONF2 4 -#define PCI_NO_CHECKS 0x400 -#define PCI_ASSIGN_ROMS 0x1000 -#define PCI_BIOS_IRQ_SCAN 0x2000 - #define SH4_PCICR 0x100 /* PCI Control Register */ #define SH4_PCICR_PREFIX 0xA5000000 /* CR prefix for write */ #define SH4_PCICR_FTO 0x00000400 /* TRDY/IRDY Enable */ diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c index c928bc64b4ba..3a0e1a986bfe 100644 --- a/arch/sparc/kernel/pci.c +++ b/arch/sparc/kernel/pci.c @@ -249,7 +249,6 @@ static struct pci_dev *of_create_pci_dev(struct pci_pbm_info *pbm, struct pci_bus *bus, int devfn) { struct dev_archdata *sd; - struct pci_slot *slot; struct platform_device *op; struct pci_dev *dev; const char *type; @@ -290,10 +289,7 @@ static struct pci_dev *of_create_pci_dev(struct pci_pbm_info *pbm, dev->multifunction = 0; /* maybe a lie? */ set_pcie_port_type(dev); - list_for_each_entry(slot, &dev->bus->slots, list) - if (PCI_SLOT(dev->devfn) == slot->number) - dev->slot = slot; - + pci_dev_assign_slot(dev); dev->vendor = of_getintprop_default(node, "vendor-id", 0xffff); dev->device = of_getintprop_default(node, "device-id", 0xffff); dev->subsystem_vendor = diff --git a/arch/x86/include/asm/pci_x86.h b/arch/x86/include/asm/pci_x86.h index 164e3f8d3c3d..fa1195dae425 100644 --- a/arch/x86/include/asm/pci_x86.h +++ b/arch/x86/include/asm/pci_x86.h @@ -93,8 +93,6 @@ extern raw_spinlock_t pci_config_lock; extern int (*pcibios_enable_irq)(struct pci_dev *dev); extern void (*pcibios_disable_irq)(struct pci_dev *dev); -extern bool mp_should_keep_irq(struct device *dev); - |