diff options
Diffstat (limited to 'arch/ppc64/kernel')
30 files changed, 278 insertions, 185 deletions
diff --git a/arch/ppc64/kernel/bpa_iic.c b/arch/ppc64/kernel/bpa_iic.c index c8f3dc3..0aaa878 100644 --- a/arch/ppc64/kernel/bpa_iic.c +++ b/arch/ppc64/kernel/bpa_iic.c @@ -205,6 +205,18 @@ static struct iic_regs __iomem *find_iic(int cpu) } #ifdef CONFIG_SMP + +/* Use the highest interrupt priorities for IPI */ +static inline int iic_ipi_to_irq(int ipi) +{ + return IIC_IPI_OFFSET + IIC_NUM_IPIS - 1 - ipi; +} + +static inline int iic_irq_to_ipi(int irq) +{ + return IIC_NUM_IPIS - 1 - (irq - IIC_IPI_OFFSET); +} + void iic_setup_cpu(void) { out_be64(&__get_cpu_var(iic).regs->prio, 0xff); @@ -212,18 +224,20 @@ void iic_setup_cpu(void) void iic_cause_IPI(int cpu, int mesg) { - out_be64(&per_cpu(iic, cpu).regs->generate, mesg); + out_be64(&per_cpu(iic, cpu).regs->generate, (IIC_NUM_IPIS - 1 - mesg) << 4); } static irqreturn_t iic_ipi_action(int irq, void *dev_id, struct pt_regs *regs) { - - smp_message_recv(irq - IIC_IPI_OFFSET, regs); + smp_message_recv(iic_irq_to_ipi(irq), regs); return IRQ_HANDLED; } -static void iic_request_ipi(int irq, const char *name) +static void iic_request_ipi(int ipi, const char *name) { + int irq; + + irq = iic_ipi_to_irq(ipi); /* IPIs are marked SA_INTERRUPT as they must run with irqs * disabled */ get_irq_desc(irq)->handler = &iic_pic; @@ -233,10 +247,10 @@ static void iic_request_ipi(int irq, const char *name) void iic_request_IPIs(void) { - iic_request_ipi(IIC_IPI_OFFSET + PPC_MSG_CALL_FUNCTION, "IPI-call"); - iic_request_ipi(IIC_IPI_OFFSET + PPC_MSG_RESCHEDULE, "IPI-resched"); + iic_request_ipi(PPC_MSG_CALL_FUNCTION, "IPI-call"); + iic_request_ipi(PPC_MSG_RESCHEDULE, "IPI-resched"); #ifdef CONFIG_DEBUGGER - iic_request_ipi(IIC_IPI_OFFSET + PPC_MSG_DEBUGGER_BREAK, "IPI-debug"); + iic_request_ipi(PPC_MSG_DEBUGGER_BREAK, "IPI-debug"); #endif /* CONFIG_DEBUGGER */ } #endif /* CONFIG_SMP */ diff --git a/arch/ppc64/kernel/cpu_setup_power4.S b/arch/ppc64/kernel/cpu_setup_power4.S index 0482c06..bfce609 100644 --- a/arch/ppc64/kernel/cpu_setup_power4.S +++ b/arch/ppc64/kernel/cpu_setup_power4.S @@ -15,7 +15,7 @@ #include <asm/ppc_asm.h> #include <asm/cputable.h> #include <asm/ppc_asm.h> -#include <asm/offsets.h> +#include <asm/asm-offsets.h> #include <asm/cache.h> _GLOBAL(__970_cpu_preinit) diff --git a/arch/ppc64/kernel/eeh.c b/arch/ppc64/kernel/eeh.c index 4c857a6..ba93fd7 100644 --- a/arch/ppc64/kernel/eeh.c +++ b/arch/ppc64/kernel/eeh.c @@ -254,6 +254,7 @@ pci_addr_cache_insert(struct pci_dev *dev, unsigned long alo, static void __pci_addr_cache_insert_device(struct pci_dev *dev) { struct device_node *dn; + struct pci_dn *pdn; int i; int inserted = 0; @@ -265,8 +266,9 @@ static void __pci_addr_cache_insert_device(struct pci_dev *dev) } /* Skip any devices for which EEH is not enabled. */ - if (!(dn->eeh_mode & EEH_MODE_SUPPORTED) || - dn->eeh_mode & EEH_MODE_NOCHECK) { + pdn = dn->data; + if (!(pdn->eeh_mode & EEH_MODE_SUPPORTED) || + pdn->eeh_mode & EEH_MODE_NOCHECK) { #ifdef DEBUG printk(KERN_INFO "PCI: skip building address cache for=%s\n", pci_name(dev)); @@ -415,6 +417,7 @@ int eeh_unregister_notifier(struct notifier_block *nb) static int read_slot_reset_state(struct device_node *dn, int rets[]) { int token, outputs; + struct pci_dn *pdn = dn->data; if (ibm_read_slot_reset_state2 != RTAS_UNKNOWN_SERVICE) { token = ibm_read_slot_reset_state2; @@ -424,8 +427,8 @@ static int read_slot_reset_state(struct device_node *dn, int rets[]) outputs = 3; } - return rtas_call(token, 3, outputs, rets, dn->eeh_config_addr, - BUID_HI(dn->phb->buid), BUID_LO(dn->phb->buid)); + return rtas_call(token, 3, outputs, rets, pdn->eeh_config_addr, + BUID_HI(pdn->phb->buid), BUID_LO(pdn->phb->buid)); } /** @@ -534,6 +537,7 @@ int eeh_dn_check_failure(struct device_node *dn, struct pci_dev *dev) unsigned long flags; int rc, reset_state; struct eeh_event *event; + struct pci_dn *pdn; __get_cpu_var(total_mmio_ffs)++; @@ -542,14 +546,15 @@ int eeh_dn_check_failure(struct device_node *dn, struct pci_dev *dev) if (!dn) return 0; + pdn = dn->data; /* Access to IO BARs might get this far and still not want checking. */ - if (!(dn->eeh_mode & EEH_MODE_SUPPORTED) || - dn->eeh_mode & EEH_MODE_NOCHECK) { + if (!pdn->eeh_capable || !(pdn->eeh_mode & EEH_MODE_SUPPORTED) || + pdn->eeh_mode & EEH_MODE_NOCHECK) { return 0; } - if (!dn->eeh_config_addr) { + if (!pdn->eeh_config_addr) { return 0; } @@ -557,7 +562,7 @@ int eeh_dn_check_failure(struct device_node *dn, struct pci_dev *dev) * If we already have a pending isolation event for this * slot, we know it's bad already, we don't need to check... */ - if (dn->eeh_mode & EEH_MODE_ISOLATED) { + if (pdn->eeh_mode & EEH_MODE_ISOLATED) { atomic_inc(&eeh_fail_count); if (atomic_read(&eeh_fail_count) >= EEH_MAX_FAILS) { /* re-read the slot reset state */ @@ -582,7 +587,7 @@ int eeh_dn_check_failure(struct device_node *dn, struct pci_dev *dev) } /* prevent repeated reports of this failure */ - dn->eeh_mode |= EEH_MODE_ISOLATED; + pdn->eeh_mode |= EEH_MODE_ISOLATED; reset_state = rets[0]; @@ -590,9 +595,9 @@ int eeh_dn_check_failure(struct device_node *dn, struct pci_dev *dev) memset(slot_errbuf, 0, eeh_error_buf_size); rc = rtas_call(ibm_slot_error_detail, - 8, 1, NULL, dn->eeh_config_addr, - BUID_HI(dn->phb->buid), - BUID_LO(dn->phb->buid), NULL, 0, + 8, 1, NULL, pdn->eeh_config_addr, + BUID_HI(pdn->phb->buid), + BUID_LO(pdn->phb->buid), NULL, 0, virt_to_phys(slot_errbuf), eeh_error_buf_size, 1 /* Temporary Error */); @@ -679,8 +684,9 @@ static void *early_enable_eeh(struct device_node *dn, void *data) u32 *device_id = (u32 *)get_property(dn, "device-id", NULL); u32 *regs; int enable; + struct pci_dn *pdn = dn->data; - dn->eeh_mode = 0; + pdn->eeh_mode = 0; if (status && strcmp(status, "ok") != 0) return NULL; /* ignore devices with bad status */ @@ -691,7 +697,7 @@ static void *early_enable_eeh(struct device_node *dn, void *data) /* There is nothing to check on PCI to ISA bridges */ if (dn->type && !strcmp(dn->type, "isa")) { - dn->eeh_mode |= EEH_MODE_NOCHECK; + pdn->eeh_mode |= EEH_MODE_NOCHECK; return NULL; } @@ -708,7 +714,7 @@ static void *early_enable_eeh(struct device_node *dn, void *data) enable = 0; if (!enable) - dn->eeh_mode |= EEH_MODE_NOCHECK; + pdn->eeh_mode |= EEH_MODE_NOCHECK; /* Ok... see if this device supports EEH. Some do, some don't, * and the only way to find out is to check each and every one. */ @@ -721,8 +727,8 @@ static void *early_enable_eeh(struct device_node *dn, void *data) EEH_ENABLE); if (ret == 0) { eeh_subsystem_enabled = 1; - dn->eeh_mode |= EEH_MODE_SUPPORTED; - dn->eeh_config_addr = regs[0]; + pdn->eeh_mode |= EEH_MODE_SUPPORTED; + pdn->eeh_config_addr = regs[0]; #ifdef DEBUG printk(KERN_DEBUG "EEH: %s: eeh enabled\n", dn->full_name); #endif @@ -730,10 +736,11 @@ static void *early_enable_eeh(struct device_node *dn, void *data) /* This device doesn't support EEH, but it may have an * EEH parent, in which case we mark it as supported. */ - if (dn->parent && (dn->parent->eeh_mode & EEH_MODE_SUPPORTED)) { + if (dn->parent && dn->parent->data + && (PCI_DN(dn->parent)->eeh_mode & EEH_MODE_SUPPORTED)) { /* Parent supports EEH. */ - dn->eeh_mode |= EEH_MODE_SUPPORTED; - dn->eeh_config_addr = dn->parent->eeh_config_addr; + pdn->eeh_mode |= EEH_MODE_SUPPORTED; + pdn->eeh_config_addr = PCI_DN(dn->parent)->eeh_config_addr; return NULL; } } @@ -790,11 +797,13 @@ void __init eeh_init(void) for (phb = of_find_node_by_name(NULL, "pci"); phb; phb = of_find_node_by_name(phb, "pci")) { unsigned long buid; + struct pci_dn *pci; buid = get_phb_buid(phb); - if (buid == 0) + if (buid == 0 || phb->data == NULL) continue; + pci = phb->data; info.buid_lo = BUID_LO(buid); info.buid_hi = BUID_HI(buid); traverse_pci_devices(phb, early_enable_eeh, &info); @@ -823,9 +832,9 @@ void eeh_add_device_early(struct device_node *dn) struct pci_controller *phb; struct eeh_early_enable_info info; - if (!dn) + if (!dn || !dn->data) return; - phb = dn->phb; + phb = PCI_DN(dn)->phb; if (NULL == phb || 0 == phb->buid) { printk(KERN_WARNING "EEH: Expected buid but found none\n"); return; diff --git a/arch/ppc64/kernel/entry.S b/arch/ppc64/kernel/entry.S index bf99b4a..d133a49 100644 --- a/arch/ppc64/kernel/entry.S +++ b/arch/ppc64/kernel/entry.S @@ -28,7 +28,7 @@ #include <asm/mmu.h> #include <asm/thread_info.h> #include <asm/ppc_asm.h> -#include <asm/offsets.h> +#include <asm/asm-offsets.h> #include <asm/cputable.h> #ifdef CONFIG_PPC_ISERIES diff --git a/arch/ppc64/kernel/head.S b/arch/ppc64/kernel/head.S index b436206..58c3147 100644 --- a/arch/ppc64/kernel/head.S +++ b/arch/ppc64/kernel/head.S @@ -30,7 +30,7 @@ #include <asm/mmu.h> #include <asm/systemcfg.h> #include <asm/ppc_asm.h> -#include <asm/offsets.h> +#include <asm/asm-offsets.h> #include <asm/bug.h> #include <asm/cputable.h> #include <asm/setup.h> diff --git a/arch/ppc64/kernel/idle_power4.S b/arch/ppc64/kernel/idle_power4.S index 97e4a26..ca02afe 100644 --- a/arch/ppc64/kernel/idle_power4.S +++ b/arch/ppc64/kernel/idle_power4.S @@ -20,7 +20,7 @@ #include <asm/cputable.h> #include <asm/thread_info.h> #include <asm/ppc_asm.h> -#include <asm/offsets.h> +#include <asm/asm-offsets.h> #undef DEBUG diff --git a/arch/ppc64/kernel/iomap.c b/arch/ppc64/kernel/iomap.c index 153cc8b..6160c8d 100644 --- a/arch/ppc64/kernel/iomap.c +++ b/arch/ppc64/kernel/iomap.c @@ -22,13 +22,23 @@ unsigned int fastcall ioread16(void __iomem *addr) { return readw(addr); } +unsigned int fastcall ioread16be(void __iomem *addr) +{ + return in_be16(addr); +} unsigned int fastcall ioread32(void __iomem *addr) { return readl(addr); } +unsigned int fastcall ioread32be(void __iomem *addr) +{ + return in_be32(addr); +} EXPORT_SYMBOL(ioread8); EXPORT_SYMBOL(ioread16); +EXPORT_SYMBOL(ioread16be); EXPORT_SYMBOL(ioread32); +EXPORT_SYMBOL(ioread32be); void fastcall iowrite8(u8 val, void __iomem *addr) { @@ -38,13 +48,23 @@ void fastcall iowrite16(u16 val, void __iomem *addr) { writew(val, addr); } +void fastcall iowrite16be(u16 val, void __iomem *addr) +{ + out_be16(addr, val); +} void fastcall iowrite32(u32 val, void __iomem *addr) { writel(val, addr); } +void fastcall iowrite32be(u32 val, void __iomem *addr) +{ + out_be32(addr, val); +} EXPORT_SYMBOL(iowrite8); EXPORT_SYMBOL(iowrite16); +EXPORT_SYMBOL(iowrite16be); EXPORT_SYMBOL(iowrite32); +EXPORT_SYMBOL(iowrite32be); /* * These are the "repeat read/write" functions. Note the @@ -56,15 +76,15 @@ EXPORT_SYMBOL(iowrite32); */ void ioread8_rep(void __iomem *addr, void *dst, unsigned long count) { - _insb((u8 __force *) addr, dst, count); + _insb((u8 __iomem *) addr, dst, count); } void ioread16_rep(void __iomem *addr, void *dst, unsigned long count) { - _insw_ns((u16 __force *) addr, dst, count); + _insw_ns((u16 __iomem *) addr, dst, count); } void ioread32_rep(void __iomem *addr, void *dst, unsigned long count) { - _insl_ns((u32 __force *) addr, dst, count); + _insl_ns((u32 __iomem *) addr, dst, count); } EXPORT_SYMBOL(ioread8_rep); EXPORT_SYMBOL(ioread16_rep); @@ -72,15 +92,15 @@ EXPORT_SYMBOL(ioread32_rep); void iowrite8_rep(void __iomem *addr, const void *src, unsigned long count) { - _outsb((u8 __force *) addr, src, count); + _outsb((u8 __iomem *) addr, src, count); } void iowrite16_rep(void __iomem *addr, const void *src, unsigned long count) { - _outsw_ns((u16 __force *) addr, src, count); + _outsw_ns((u16 __iomem *) addr, src, count); } void iowrite32_rep(void __iomem *addr, const void *src, unsigned long count) { - _outsl_ns((u32 __force *) addr, src, count); + _outsl_ns((u32 __iomem *) addr, src, count); } EXPORT_SYMBOL(iowrite8_rep); EXPORT_SYMBOL(iowrite16_rep); diff --git a/arch/ppc64/kernel/iommu.c b/arch/ppc64/kernel/iommu.c index 845eebd..9032b6b 100644 --- a/arch/ppc64/kernel/iommu.c +++ b/arch/ppc64/kernel/iommu.c @@ -438,7 +438,8 @@ struct iommu_table *iommu_init_table(struct iommu_table *tbl) void iommu_free_table(struct device_node *dn) { - struct iommu_table *tbl = dn->iommu_table; + struct pci_dn *pdn = dn->data; + struct iommu_table *tbl = pdn->iommu_table; unsigned long bitmap_sz, i; unsigned int order; diff --git a/arch/ppc64/kernel/maple_pci.c b/arch/ppc64/kernel/maple_pci.c index 5399399..5a8b4d8 100644 --- a/arch/ppc64/kernel/maple_pci.c +++ b/arch/ppc64/kernel/maple_pci.c @@ -447,9 +447,9 @@ void __init maple_pci_init(void) */ if (u3_agp) { struct device_node *np = u3_agp->arch_data; - np->busno = 0xf0; + PCI_DN(np)->busno = 0xf0; for (np = np->child; np; np = np->sibling) - np->busno = 0xf0; + PCI_DN(np)->busno = 0xf0; } /* Tell pci.c to use the common resource allocation mecanism */ diff --git a/arch/ppc64/kernel/misc.S b/arch/ppc64/kernel/misc.S index 6d860c1..e7241ad 100644 --- a/arch/ppc64/kernel/misc.S +++ b/arch/ppc64/kernel/misc.S @@ -26,7 +26,7 @@ #include <asm/page.h> #include <asm/cache.h> #include <asm/ppc_asm.h> -#include <asm/offsets.h> +#include <asm/asm-offsets.h> #include <asm/cputable.h> .text @@ -1431,9 +1431,9 @@ _GLOBAL(sys_call_table) .llong .sys_ni_syscall /* 195 - 32bit only stat64 */ .llong .sys_ni_syscall /* 32bit only lstat64 */ .llong .sys_ni_syscall /* 32bit only fstat64 */ - .llong .sys_ni_syscall /* 32bit only pciconfig_read */ - .llong .sys_ni_syscall /* 32bit only pciconfig_write */ - .llong .sys_ni_syscall /* 32bit only pciconfig_iobase */ + .llong .sys_pciconfig_read + .llong .sys_pciconfig_write + .llong .sys_pciconfig_iobase /* 200 - pciconfig_iobase */ .llong .sys_ni_syscall /* reserved for MacOnLinux */ .llong .sys_getdents64 .llong .sys_pivot_root diff --git a/arch/ppc64/kernel/pSeries_iommu.c b/arch/ppc64/kernel/pSeries_iommu.c index 9d5e1e7..f0fd7fb 100644 --- a/arch/ppc64/kernel/pSeries_iommu.c +++ b/arch/ppc64/kernel/pSeries_iommu.c @@ -295,7 +295,7 @@ static void iommu_table_setparms_lpar(struct pci_controller *phb, struct iommu_table *tbl, unsigned int *dma_window) { - tbl->it_busno = dn->bussubno; + tbl->it_busno = PCI_DN(dn)->bussubno; /* TODO: Parse field size properties properly. */ tbl->it_size = (((unsigned long)dma_window[4] << 32) | @@ -311,6 +311,7 @@ static void iommu_table_setparms_lpar(struct pci_controller *phb, static void iommu_bus_setup_pSeries(struct pci_bus *bus) { struct device_node *dn, *pdn; + struct pci_dn *pci; struct iommu_table *tbl; DBG("iommu_bus_setup_pSeries, bus %p, bus->self %p\n", bus, bus->self); @@ -325,6 +326,7 @@ static void iommu_bus_setup_pSeries(struct pci_bus *bus) */ dn = pci_bus_to_OF_node(bus); + pci = dn->data; if (!bus->self) { /* Root bus */ @@ -341,18 +343,18 @@ static void iommu_bus_setup_pSeries(struct pci_bus *bus) * alltogether. This leaves 768MB for the window. */ DBG("PHB has io-hole, reserving 256MB\n"); - dn->phb->dma_window_size = 3 << 28; - dn->phb->dma_window_base_cur = 1 << 28; + pci->phb->dma_window_size = 3 << 28; + pci->phb->dma_window_base_cur = 1 << 28; } else { /* 1GB window by default */ - dn->phb->dma_window_size = 1 << 30; - dn->phb->dma_window_base_cur = 0; + pci->phb->dma_window_size = 1 << 30; + pci->phb->dma_window_base_cur = 0; } tbl = kmalloc(sizeof(struct iommu_table), GFP_KERNEL); - iommu_table_setparms(dn->phb, dn, tbl); - dn->iommu_table = iommu_init_table(tbl); + iommu_table_setparms(pci->phb, dn, tbl); + pci->iommu_table = iommu_init_table(tbl); } else { /* Do a 128MB table at root. This is used for the IDE * controller on some SMP-mode POWER4 machines. It @@ -363,16 +365,16 @@ static void iommu_bus_setup_pSeries(struct pci_bus *bus) * Allocate at offset 128MB to avoid having to deal * with ISA holes; 128MB table for IDE is plenty. */ - dn->phb->dma_window_size = 1 << 27; - dn->phb->dma_window_base_cur = 1 << 27; + pci->phb->dma_window_size = 1 << 27; + pci->phb->dma_window_base_cur = 1 << 27; tbl = kmalloc(sizeof(struct iommu_table), GFP_KERNEL); - iommu_table_setparms(dn->phb, dn, tbl); - dn->iommu_table = iommu_init_table(tbl); + iommu_table_setparms(pci->phb, dn, tbl); + pci->iommu_table = iommu_init_table(tbl); /* All child buses have 256MB tables */ - dn->phb->dma_window_size = 1 << 28; + pci->phb->dma_window_size = 1 << 28; } } else { pdn = pci_bus_to_OF_node(bus->parent); @@ -386,12 +388,12 @@ static void iommu_bus_setup_pSeries(struct pci_bus *bus) tbl = kmalloc(sizeof(struct iommu_table), GFP_KERNEL); - iommu_table_setparms(dn->phb, dn, tbl); + iommu_table_setparms(pci->phb, dn, tbl); - dn->iommu_table = iommu_init_table(tbl); + pci->iommu_table = iommu_init_table(tbl); } else { /* Lower than first child or under python, use parent table */ - dn->iommu_table = pdn->iommu_table; + pci->iommu_table = PCI_DN(pdn)->iommu_table; } } } @@ -401,6 +403,7 @@ static void iommu_bus_setup_pSeriesLP(struct pci_bus *bus) { struct iommu_table *tbl; struct device_node *dn, *pdn; + struct pci_dn *ppci; unsigned int *dma_window = NULL; DBG("iommu_bus_setup_pSeriesLP, bus %p, bus->self %p\n", bus, bus->self); @@ -419,22 +422,24 @@ static void iommu_bus_setup_pSeriesLP(struct pci_bus *bus) return; } - if (!pdn->iommu_table) { + ppci = pdn->data; + if (!ppci->iommu_table) { /* Bussubno hasn't been copied yet. * Do it now because iommu_table_setparms_lpar needs it. */ - pdn->bussubno = bus->number; + + ppci->bussubno = bus->number; tbl = (struct iommu_table *)kmalloc(sizeof(struct iommu_table), GFP_KERNEL); - iommu_table_setparms_lpar(pdn->phb, pdn, tbl, dma_window); + iommu_table_setparms_lpar(ppci->phb, pdn, tbl, dma_window); - pdn->iommu_table = iommu_init_table(tbl); + ppci->iommu_table = iommu_init_table(tbl); } if (pdn != dn) - dn->iommu_table = pdn->iommu_table; + PCI_DN(dn)->iommu_table = ppci->iommu_table; } @@ -449,11 +454,11 @@ static void iommu_dev_setup_pSeries(struct pci_dev *dev) */ mydn = dn = pci_device_to_OF_node(dev); - while (dn && dn->iommu_table == NULL) + while (dn && dn->data && PCI_DN(dn)->iommu_table == NULL) dn = dn->parent; - if (dn) { - mydn->iommu_table = dn->iommu_table; + if (dn && dn->data) { + PCI_DN(mydn)->iommu_table = PCI_DN(dn)->iommu_table; } else { DBG("iommu_dev_setup_pSeries, dev %p (%s) has no iommu table\n", dev, dev->pretty_name); } @@ -463,10 +468,11 @@ static int iommu_reconfig_notifier(struct notifier_block *nb, unsigned long acti { int err = NOTIFY_OK; struct device_node *np = node; + struct pci_dn *pci = np->data; switch (action) { case PSERIES_RECONFIG_REMOVE: - if (np->iommu_table && + if (pci->iommu_table && get_property(np, "ibm,dma-window", NULL)) iommu_free_table(np); break; @@ -486,6 +492,7 @@ static void iommu_dev_setup_pSeriesLP(struct pci_dev *dev) struct device_node *pdn, *dn; struct iommu_table *tbl; int *dma_window = NULL; + struct pci_dn *pci; DBG("iommu_dev_setup_pSeriesLP, dev %p (%s)\n", dev, dev->pretty_name); @@ -497,8 +504,10 @@ static void iommu_dev_setup_pSeriesLP(struct pci_dev *dev) */ dn = pci_device_to_OF_node(dev); - for (pdn = dn; pdn && !pdn->iommu_table; pdn = pdn->parent) { - dma_window = (unsigned int *)get_property(pdn, "ibm,dma-window", NULL); + for (pdn = dn; pdn && pdn->data && !PCI_DN(pdn)->iommu_table; + pdn = pdn->parent) { + dma_window = (unsigned int *) + get_property(pdn, "ibm,dma-window", NULL); if (dma_window) break; } @@ -515,20 +524,21 @@ static void iommu_dev_setup_pSeriesLP(struct pci_dev *dev) DBG("Found DMA window, allocating table\n"); } - if (!pdn->iommu_table) { + pci = pdn->data; + if (!pci->iommu_table) { /* iommu_table_setparms_lpar needs bussubno. */ - pdn->bussubno = pdn->phb->bus->number; + pci->bussubno = pci->phb->bus->number; tbl = (struct iommu_table *)kmalloc(sizeof(struct iommu_table), GFP_KERNEL); - iommu_table_setparms_lpar(pdn->phb, pdn, tbl, dma_window); + iommu_table_setparms_lpar(pci->phb, pdn, tbl, dma_window); - pdn->iommu_table = iommu_init_table(tbl); + pci->iommu_table = iommu_init_table(tbl); } if (pdn != dn) - dn->iommu_table = pdn->iommu_table; + PCI_DN(dn)->iommu_table = pci->iommu_table; } static void iommu_bus_setup_null(struct pci_bus *b) { } diff --git a/arch/ppc64/kernel/pci.c b/arch/ppc64/kernel/pci.c index b5ca7d8..8447dcc 100644 --- a/arch/ppc64/kernel/pci.c +++ b/arch/ppc64/kernel/pci.c @@ -21,6 +21,7 @@ #include <linux/bootmem.h> #include <linux/mm.h> #include <linux/list.h> +#include <linux/syscalls.h> #include <asm/processor.h> #include <asm/io.h> @@ -837,9 +838,11 @@ int pcibios_scan_all_fns(struct pci_bus *bus, int devfn) * device tree. If they are then we need to scan all the * functions of this slot. */ - for (dn = busdn->child; dn; dn = dn->sibling) - if ((dn->devfn >> 3) == (devfn >> 3)) + for (dn = busdn->child; dn; dn = dn->sibling) { + struct pci_dn *pdn = dn->data; + if (pdn && (pdn->devfn >> 3) == (devfn >> 3)) return 1; + } return 0; } @@ -982,3 +985,62 @@ void pci_resource_to_user(const struct pci_dev *dev, int bar, } #endif /* CONFIG_PPC_MULTIPLATFORM */ + + +#define IOBASE_BRIDGE_NUMBER 0 +#define IOBASE_MEMORY 1 +#define IOBASE_IO 2 +#define IOBASE_ISA_IO 3 +#define IOBASE_ISA_MEM 4 + +long sys_pciconfig_iobase(long which, unsigned long in_bus, + unsigned long in_devfn) +{ + struct pci_controller* hose; + struct list_head *ln; + struct pci_bus *bus = NULL; + struct device_node *hose_node; + + /* Argh ! Please forgive me for that hack, but that's the + * simplest way to get existing XFree to not lockup on some + * G5 machines... So when something asks for bus 0 io base + * (bus 0 is HT root), we return the AGP one instead. + */ +#ifdef CONFIG_PPC_PMAC + if (systemcfg->platform == PLATFORM_POWERMAC && + machine_is_compatible("MacRISC4")) + if (in_bus == 0) + in_bus = 0xf0; +#endif /* CONFIG_PPC_PMAC */ + + /* That syscall isn't quite compatible with PCI domains, but it's + * used on pre-domains setup. We return the first match + */ + + for (ln = pci_root_buses.next; ln != &pci_root_buses; ln = ln->next) { + bus = pci_bus_b(ln); + if (in_bus >= bus->number && in_bus < (bus->number + bus->subordinate)) + break; + bus = NULL; + } + if (bus == NULL || bus->sysdata == NULL) + return -ENODEV; + + hose_node = (struct device_node *)bus->sysdata; + hose = PCI_DN(hose_node)->phb; + + switch (which) { + case IOBASE_BRIDGE_NUMBER: + return (long)hose->first_busno; + case IOBASE_MEMORY: + return (long)hose->pci_mem_offset; + case IOBASE_IO: + return (long)hose->io_base_phys; + case IOBASE_ISA_IO: + return (long)isa_io_base; + case IOBASE_ISA_MEM: + return -EINVAL; + } + + return -EOPNOTSUPP; +} diff --git a/arch/ppc64/kernel/pci.h b/arch/ppc64/kernel/pci.h index 26be78b..5eb2cc3 100644 --- a/arch/ppc64/kernel/pci.h +++ b/arch/ppc64/kernel/pci.h @@ -34,7 +34,6 @@ void *traverse_pci_devices(struct device_node *start, traverse_func pre, void pci_devs_phb_init(void); void pci_devs_phb_init_dynamic(struct pci_controller *phb); -struct device_node *fetch_dev_dn(struct pci_dev *dev); /* PCI address cache management routines */ void pci_addr_cache_insert_device(struct pci_dev *dev); diff --git a/arch/ppc64/kernel/pci_dn.c b/arch/ppc64/kernel/pci_dn.c index ec34546..a86389d 100644 --- a/arch/ppc64/kernel/pci_dn.c +++ b/arch/ppc64/kernel/pci_dn.c @@ -23,6 +23,8 @@ #include <linux/pci.h> #include <linux/string.h> #include <linux/init.h> +#include <linux/slab.h> +#include <linux/bootmem.h> #include <asm/io.h> #include <asm/prom.h> @@ -40,16 +42,26 @@ static void * __devinit update_dn_pci_info(struct device_node *dn, void *data) struct pci_controller *phb = data; int *type = (int *)get_property(dn, "ibm,pci-config-space-type", NULL); u32 *regs; - - dn->phb = phb; + struct pci_dn *pdn; + + if (phb->is_dynamic) + pdn = kmalloc(sizeof(*pdn), GFP_KERNEL); + else + pdn = alloc_bootmem(sizeof(*pdn)); + if (pdn == NULL) + return NULL; + memset(pdn, 0, sizeof(*pdn)); + dn->data = pdn; + pdn->node = dn; + pdn->phb = phb; regs = (u32 *)get_property(dn, "reg", NULL); if (regs) { /* First register entry is addr (00BBSS00) */ - dn->busno = (regs[0] >> 16) & 0xff; - dn->devfn = (regs[0] >> 8) & 0xff; + pdn->busno = (regs[0] >> 16) & 0xff; + pdn->devfn = (regs[0] >> 8) & 0xff; } - dn->pci_ext_config_space = (type && *type == 1); + pdn->pci_ext_config_space = (type && *type == 1); return NULL; } @@ -112,10 +124,15 @@ void *traverse_pci_devices(struct device_node *start, traverse_func pre, void __devinit pci_devs_phb_init_dynamic(struct pci_controller *phb) { struct device_node * dn = (struct device_node *) phb->arch_data; + struct pci_dn *pdn; /* PHB nodes themselves must not match */ - dn->devfn = dn->busno = -1; - dn->phb = phb; + update_dn_pci_info(dn, phb); + pdn = dn->data; + if (pdn) { + pdn->devfn = pdn->busno = -1; + pdn->phb = phb; + } /* Update dn->phb ptrs for new phb and children devices */ traverse_pci_devices(dn, update_dn_pci_info, phb); @@ -123,14 +140,17 @@ void __devinit pci_devs_phb_init_dynamic(struct pci_controller *phb) /* * Traversal func that looks for a <busno,devfcn> value. - * If found, the device_node is returned (thus terminating the traversal). + * If found, the pci_dn is returned (thus terminating the traversal). */ static void *is_devfn_node(struct device_node *dn, void *data) { int busno = ((unsigned long)data >> 8) & 0xff; int devfn = ((unsigned long)data) & 0xff; + struct pci_dn *pci = dn->data; - return ((devfn == dn->devfn) && (busno == dn->busno)) ? dn : NULL; + if (pci && (devfn == pci->devfn) && (busno == pci->busno)) + return dn; + return NULL; } /* @@ -149,13 +169,10 @@ static void *is_devfn_node(struct device_node *dn, void *data) struct device_node *fetch_dev_dn(struct pci_dev *dev) { struct device_node *orig_dn = dev->sysdata; - struct pci_controller *phb = orig_dn->phb; /* assume same phb as orig_dn */ - struct device_node *phb_dn; struct device_node *dn; unsigned long searchval = (dev->bus->number << 8) | dev->devfn; - phb_dn = phb->arch_data; - dn = traverse_pci_devices(phb_dn, is_devfn_node, (void *)searchval); + dn = traverse_pci_devices(orig_dn, is_devfn_node, (void *)searchval); if (dn) dev->sysdata = dn; return dn; @@ -165,11 +182,13 @@ EXPORT_SYMBOL(fetch_dev_dn); static int pci_dn_reconfig_notifier(struct notifier_block *nb, unsigned long action, void *node) { struct device_node *np = node; + struct pci_dn *pci; int err = NOTIFY_OK; switch (action) { case PSERIES_RECONFIG_ADD: - update_dn_pci_info(np, np->parent->phb); + pci = np->parent->data; + update_dn_pci_info(np, pci->phb); break; default: err = NOTIFY_DONE; diff --git a/arch/ppc64/kernel/pci_iommu.c b/arch/ppc64/kernel/pci_iommu.c index ef0a62b..14647e0 100644 --- a/arch/ppc64/kernel/pci_iommu.c +++ b/arch/ppc64/kernel/pci_iommu.c @@ -66,7 +66,7 @@ static inline struct iommu_table *devnode_table(struct device *dev) #endif /* CONFIG_PPC_ISERIES */ #ifdef CONFIG_PPC_MULTIPLATFORM - return PCI_GET_DN(pdev)->iommu_table; + return PCI_DN(PCI_GET_DN(pdev))->iommu_table; #endif /* CONFIG_PPC_MULTIPLATFORM */ } diff --git a/arch/ppc64/kernel/pmac_feature.c b/arch/ppc64/kernel/pmac_feature.c index 98ed2bc..eb4e6c3 100644 --- a/arch/ppc64/kernel/pmac_feature.c +++ b/arch/ppc64/kernel/pmac_feature.c @@ -674,6 +674,7 @@ void __init pmac_check_ht_link(void) #if 0 /* Disabled for now */ u32 ufreq, freq, ucfg, cfg; struct device_node *pcix_node; + struct pci_dn *pdn; u8 px_bus, px_devfn; struct pci_controller *px_hose; @@ -687,9 +688,10 @@ void __init pmac_check_ht_link(void) printk("No PCI-X bridge found\n"); return; } - px_hose = pcix_node->phb; - px_bus = pcix_node->busno; - px_devfn = pcix_node->devfn; + pdn = pcix_node->data; + px_hose = pdn->phb; + px_bus = pdn->busno; + px_devfn = pdn->devfn; early_read_config_dword(px_hose, px_bus, px_devfn, 0xc4, &cfg); early_read_config_dword(px_hose, px_bus, px_devfn, 0xcc, &freq); diff --git a/arch/ppc64/kernel/pmac_pci.c b/arch/ppc64/kernel/pmac_pci.c index 71fe911..d37bff2 100644 --- a/arch/ppc64/kernel/pmac_pci.c +++ b/arch/ppc64/kernel/pmac_pci.c @@ -242,7 +242,7 @@ static int u3_ht_skip_device(struct pci_controller *hose, else busdn = hose->arch_data; for (dn = busdn->child; dn; dn = dn->sibling) - if (dn->devfn == devfn) + if (dn->data && PCI_DN(dn)->devfn == devfn) break; if (dn == NULL) return -1; @@ -746,9 +746,9 @@ void __init pmac_pci_init(void) */ if (u3_agp) { struct device_node *np = u3_agp->arch_data; - np->busno = 0xf0; + PCI_DN(np)->busno = 0xf0; for (np = np->child; np; np = np->sibling) - np->busno = 0xf0; + PCI_DN(np)->busno = 0xf0; } pmac_check_ht_link(); diff --git a/arch/ppc64/kernel/pmc.c b/arch/ppc64/kernel/pmc.c index cdfec74..63d9481 100644 --- a/arch/ppc64/kernel/pmc.c +++ b/arch/ppc64/kernel/pmc.c @@ -26,7 +26,7 @@ static void dummy_perf(struct pt_regs *regs) mtspr(SPRN_MMCR0, mmcr0); } -static spinlock_t pmc_owner_lock = SPIN_LOCK_UNLOCKED; +static DEFINE_SPINLOCK(pmc_owner_lock); static void *pmc_owner_caller; /* mostly for debugging */ perf_irq_t perf_irq = dummy_perf; diff --git a/arch/ppc64/kernel/prom.c b/arch/ppc64/kernel/prom.c index 6ad5a84..7035deb 100644 --- a/arch/ppc64/kernel/prom.c +++ b/arch/ppc64/kernel/prom.c @@ -1733,6 +1733,7 @@ static void of_node_release(struct kref *kref) kfree(node->intrs); kfree(node->addrs); kfree(node->full_name); + kfree(node->data); kfree(node); } diff --git a/arch/ppc64/kernel/rtas_pci.c b/arch/ppc64/kernel/rtas_pci.c index 1dccada..4a9719b 100644 --- a/arch/ppc64/kernel/rtas_pci.c +++ b/arch/ppc64/kernel/rtas_pci.c @@ -48,7 +48,7 @@ static int write_pci_config; static int ibm_read_pci_config; static int ibm_write_pci_config; -static int config_access_valid(struct device_node *dn, int where) +static int config_access_valid(struct pci_dn *dn, int where) { if (where < 256) return 1; @@ -78,15 +78,17 @@ static int rtas_read_config(struct device_node *dn, int where, int size, u32 *va int returnval = -1; unsigned long buid, addr; int ret; + struct pci_dn *pdn; - if (!dn) + if (!dn || !dn->data) return PCIBIOS_DEVICE_NOT_FOUND; - if (!config_access_valid(dn, where)) + pdn = dn->data; + if (!config_access_valid(pdn, where)) return PCIBIOS_BAD_REGISTER_NUMBER; - addr = ((where & 0xf00) << 20) | (dn->busno << 16) | - (dn->devfn << 8) | (where & 0xff); - buid = dn->phb->buid; + addr = ((where & 0xf00) << 20) | (pdn->busno << 16) | + (pdn->devfn << 8) | (where & 0xff); + buid = pdn->phb->buid; if (buid) { ret = rtas_call(ibm_read_pci_config, 4, 2, &returnval, addr, buid >> 32, buid & 0xffffffff, size); @@ -98,8 +100,8 @@ static int rtas_read_config(struct device_node *dn, int where, int size, u32 *va if (ret) return PCIBIOS_DEVICE_NOT_FOUND; - if (returnval == EEH_IO_ERROR_VALUE(size) - && eeh_dn_check_failure (dn, NULL)) + if (returnval == EEH_IO_ERROR_VALUE(size) && + eeh_dn_check_failure (dn, NULL)) return PCIBIOS_DEVICE_NOT_FOUND; return PCIBIOS_SUCCESSFUL; @@ -118,24 +120,28 @@ static int rtas_pci_read_config(struct pci_bus *bus, /* Search only direct children of the bus */ for (dn = busdn->child; dn; dn = dn->sibling) - if (dn->devfn == devfn && of_device_available(dn)) + if (dn->data && PCI_DN(dn)->devfn == devfn + && of_device_available(dn)) return rtas_read_config(dn, where, size, val); + return PCIBIOS_DEVICE_NOT_FOUND; } -static int rtas_write_config(struct device_node *dn, int where, int size, u32 val) +int rtas_write_config(struct device_node *dn, int where, int size, u32 val) { unsigned long buid, addr; int ret; + struct pci_dn *pdn; - if (!dn) + if (!dn || !dn->data) return PCIBIOS_DEVICE_NOT_FOUND; - if (!config_access_valid(dn, where)) + pdn = dn->data; + if (!config_access_valid(pdn, where)) return PCIBIOS_BAD_REGISTER_NUMBER; - addr = ((where & 0xf00) << 20) | (dn->busno << 16) | - (dn->devfn << 8) | (where & 0xff); - buid = dn->phb->buid; + addr = ((where & 0xf00) << 20) | (pdn->busno << 16) | + (pdn->devfn << 8) | (where & 0xff); + buid = pdn->phb->buid; if (buid) { ret = rtas_call(ibm_write_pci_config, 5, 1, NULL, addr, buid >> 32, buid & 0xffffffff, size, (ulong) val); } else { @@ -161,7 +167,8 @@ static int rtas_pci_write_config(struct pci_bus *bus, /* Search only direct children of the bus */ for (dn = busdn->child; dn; dn = dn->sibling) - if (dn->devfn == devfn && of_device_available(dn)) + if (dn->data && PCI_DN(dn)->devfn == devfn + && of_device_available(dn)) return rtas_write_config(dn, where, size, val); return PCIBIOS_DEVICE_NOT_FOUND; } diff --git a/arch/ppc64/kernel/sys_ppc32.c b/arch/ppc64/kernel/sys_ppc32.c index 214914a..e93c134 100644 --- a/arch/ppc64/kernel/sys_ppc32.c +++ b/arch/ppc64/kernel/sys_ppc32.c @@ -708,62 +708,9 @@ asmlinkage int sys32_pciconfig_write(u32 bus, u32 dfn, u32 off, u32 len, u32 ubu compat_ptr(ubuf)); } -#define IOBASE_BRIDGE_NUMBER 0 -#define IOBASE_MEMORY 1 -#define IOBASE_IO 2 -#define IOBASE_ISA_IO 3 -#define IOBASE_ISA_MEM 4 - asmlinkage int sys32_pciconfig_iobase(u32 which, u32 in_bus, u32 in_devfn) { -#ifdef CONFIG_PCI - struct pci_controller* hose; - struct list_head *ln; - struct pci_bus *bus = NULL; - struct device_node *hose_node; - - /* Argh ! Please forgive me for that hack, but that's the - * simplest way to get existing XFree to not lockup on some - * G5 machines... So when something asks for bus 0 io base - * (bus 0 is HT root), we return the AGP one instead. - */ -#ifdef CONFIG_PPC_PMAC - if (systemcfg->platform == PLATFORM_POWERMAC && - machine_is_compatible("MacRISC4")) - if (in_bus == 0) - in_bus = 0xf0; -#endif /* CONFIG_PPC_PMAC */ - - /* That syscall isn't quite compatible with PCI domains, but it's - * used on pre-domains setup. We return the first match - */ - - for (ln = pci_root_buses.next; ln != &pci_root_buses; ln = ln->next) { - bus = pci_bus_b(ln); - if (in_bus >= bus->number && in_bus < (bus->number + bus->subordinate)) - break; - bus = NULL; - } - if (bus == NULL || bus->sysdata == NULL) - return -ENODEV; - - hose_node = (struct device_node *)bus->sysdata; - hose = hose_node->phb; - - switch (which) { - case IOBASE_BRIDGE_NUMBER: - return (long)hose->first_busno; - case IOBASE_MEMORY: - return (long)hose->pci_mem_offset; - case IOBASE_IO: - return (long)hose->io_base_phys; - case IOBASE_ISA_IO: - return (long)isa_io_base; - case IOBASE_ISA_MEM: - return -EINVAL; - } -#endif /* CONFIG_PCI */ - return -EOPNOTSUPP; + return sys_pciconfig_iobase(which, in_bus, in_devfn); } diff --git a/arch/ppc64/kernel/syscalls.c b/arch/ppc64/kernel/syscalls.c index a8cbb20..05f1663 100644 --- a/arch/ppc64/kernel/syscalls.c +++ b/arch/ppc64/kernel/syscalls.c @@ -46,10 +46,6 @@ extern unsigned long wall_jiffies; -void -check_bugs(void) -{ -} /* * sys_ipc() is the de-multiplexer for the SysV IPC calls.. diff --git a/arch/ppc64/kernel/u3_iommu.c b/arch/ppc64/kernel/u3_iommu.c index b6e3bca..41ea09c 100644 --- a/arch/ppc64/kernel/u3_iommu.c +++ b/arch/ppc64/kernel/u3_iommu.c @@ -276,7 +276,7 @@ static void iommu_dev_setup_u3(struct pci_dev *dev) dn = pci_device_to_OF_node(dev); if (dn) - dn->iommu_table = &iommu_table_u3; + PCI_DN(dn)->iommu_table = &iommu_table_u3; } static void iommu_bus_setup_u3(struct pci_bus *bus) @@ -291,7 +291,7 @@ static void iommu_bus_setup_u3(struct pci_bus *bus) dn = pci_bus_to_OF_node(bus); if (dn) - dn->iommu_table = &iommu_table_u3; + PCI_DN(dn)->iommu_table = &iommu_table_u3; } static void iommu_dev_setup_null(struct pci_dev *dev) { } diff --git a/arch/ppc64/kernel/udbg.c b/arch/ppc64/kernel/udbg.c index ed6766e..d49c361 100644 --- a/arch/ppc64/kernel/udbg.c +++ b/arch/ppc64/kernel/udbg.c @@ -158,14 +158,20 @@ static struct console udbg_console = { .index = -1, }; +static int early_console_initialized; + void __init disable_early_printk(void) { + if (!early_console_initialized) + return; unregister_console(&udbg_console); + early_console_initialized = 0; } /* called by setup_system */ void register_early_udbg_console(void) { + early_console_initialized = 1; register_console(&udbg_console); } diff --git a/arch/ppc64/kernel/vdso32/cacheflush.S b/arch/ppc64/kernel/vdso32/cacheflush.S index 0ed7ea7..c8db993 100644 --- a/arch/ppc64/kernel/vdso32/cacheflush.S +++ b/arch/ppc64/kernel/vdso32/cacheflush.S @@ -13,7 +13,7 @@ #include <asm/processor.h> #include <asm/ppc_asm.h> #include <asm/vdso.h> -#include <asm/offsets.h> +#include <asm/asm-offsets.h> .text diff --git a/arch/ppc64/kernel/vdso32/datapage.S b/arch/ppc64/kernel/vdso32/datapage.S index 29b6bd3..4f4eb0b 100644 --- a/arch/ppc64/kernel/vdso32/datapage.S +++ b/arch/ppc64/kernel/vdso32/datapage.S @@ -12,7 +12,7 @@ #include <linux/config.h> #include <asm/processor.h> #include <asm/ppc_asm.h> -#include <asm/offsets.h> +#include <asm/asm-offsets.h> #include <asm/unistd.h> #include <asm/vdso.h> diff --git a/arch/ppc64/kernel/vdso32/gettimeofday.S b/arch/ppc64/kernel/vdso32/gettimeofday.S index 2b48bf1..07f1c1c 100644 --- a/arch/ppc64/kernel/vdso32/gettimeofday.S +++ b/arch/ppc64/kernel/vdso32/gettimeofday.S @@ -13,7 +13,7 @@ #include <asm/processor.h> #include <asm/ppc_asm.h> #include <asm/vdso.h> -#include <asm/offsets.h> +#include <asm/asm-offsets.h> #include <asm/unistd.h> .text diff --git a/arch/ppc64/kernel/vdso64/cacheflush.S b/arch/ppc64/kernel/vdso64/cacheflush.S index e0725b7..d4a0ad2 100644 --- a/arch/ppc64/kernel/vdso64/cacheflush.S +++ b/arch/ppc64/kernel/vdso64/cacheflush.S @@ -13,7 +13,7 @@ #include <asm/processor.h> #include <asm/ppc_asm.h> #include <asm/vdso.h> -#include <asm/offsets.h> +#include <asm/asm-offsets.h> .text diff --git a/arch/ppc64/kernel/vdso64/datapage.S b/arch/ppc64/kernel/vdso64/datapage.S index 18afd97..ed6e599 100644 --- a/arch/ppc64/kernel/vdso64/datapage.S +++ b/arch/ppc64/kernel/vdso64/datapage.S @@ -12,7 +12,7 @@ #include <linux/config.h> #include <asm/processor.h> #include <asm/ppc_asm.h> -#include <asm/offsets.h> +#include <asm/asm-offsets.h> #include <asm/unistd.h> #include <asm/vdso.h> diff --git a/arch/ppc64/kernel/vdso64/gettimeofday.S b/arch/ppc64/kernel/vdso64/gettimeofday.S index ed3f970..f6df802 100644 --- a/arch/ppc64/kernel/vdso64/gettimeofday.S +++ b/arch/ppc64/kernel/vdso64/gettimeofday.S @@ -14,7 +14,7 @@ #include <asm/processor.h> #include <asm/ppc_asm.h> #include <asm/vdso.h> -#include <asm/offsets.h> +#include <asm/asm-offsets.h> .text /* |
