diff options
Diffstat (limited to 'arch/powerpc')
28 files changed, 154 insertions, 88 deletions
diff --git a/arch/powerpc/boot/dts/fsl/mpc8536si-post.dtsi b/arch/powerpc/boot/dts/fsl/mpc8536si-post.dtsi index 89af6263770..b37da56018b 100644 --- a/arch/powerpc/boot/dts/fsl/mpc8536si-post.dtsi +++ b/arch/powerpc/boot/dts/fsl/mpc8536si-post.dtsi @@ -236,6 +236,10 @@ }; /include/ "pq3-esdhc-0.dtsi" + sdhc@2e000 { + compatible = "fsl,mpc8536-esdhc", "fsl,esdhc"; + }; + /include/ "pq3-sec3.0-0.dtsi" /include/ "pq3-mpic.dtsi" /include/ "pq3-mpic-timer-B.dtsi" diff --git a/arch/powerpc/boot/dts/fsl/p1010si-post.dtsi b/arch/powerpc/boot/dts/fsl/p1010si-post.dtsi index bd9e163c764..a97d1263372 100644 --- a/arch/powerpc/boot/dts/fsl/p1010si-post.dtsi +++ b/arch/powerpc/boot/dts/fsl/p1010si-post.dtsi @@ -158,7 +158,8 @@ /include/ "pq3-usb2-dr-0.dtsi" /include/ "pq3-esdhc-0.dtsi" sdhc@2e000 { - fsl,sdhci-auto-cmd12; + compatible = "fsl,p1010-esdhc", "fsl,esdhc"; + sdhci,auto-cmd12; }; /include/ "pq3-sec4.4-0.dtsi" diff --git a/arch/powerpc/boot/dts/fsl/p1020si-post.dtsi b/arch/powerpc/boot/dts/fsl/p1020si-post.dtsi index fc924c5ffeb..5de5fc35131 100644 --- a/arch/powerpc/boot/dts/fsl/p1020si-post.dtsi +++ b/arch/powerpc/boot/dts/fsl/p1020si-post.dtsi @@ -145,6 +145,10 @@ /include/ "pq3-usb2-dr-1.dtsi" /include/ "pq3-esdhc-0.dtsi" + sdhc@2e000 { + compatible = "fsl,p1020-esdhc", "fsl,esdhc"; + sdhci,auto-cmd12; + }; /include/ "pq3-sec3.3-0.dtsi" /include/ "pq3-mpic.dtsi" diff --git a/arch/powerpc/boot/dts/fsl/p1022si-post.dtsi b/arch/powerpc/boot/dts/fsl/p1022si-post.dtsi index 16239b199d0..ff9ed1d8792 100644 --- a/arch/powerpc/boot/dts/fsl/p1022si-post.dtsi +++ b/arch/powerpc/boot/dts/fsl/p1022si-post.dtsi @@ -203,7 +203,8 @@ /include/ "pq3-esdhc-0.dtsi" sdhc@2e000 { - fsl,sdhci-auto-cmd12; + compatible = "fsl,p1022-esdhc", "fsl,esdhc"; + sdhci,auto-cmd12; }; /include/ "pq3-sec3.3-0.dtsi" diff --git a/arch/powerpc/boot/dts/fsl/p2020si-post.dtsi b/arch/powerpc/boot/dts/fsl/p2020si-post.dtsi index c041050561a..332e9e75e6c 100644 --- a/arch/powerpc/boot/dts/fsl/p2020si-post.dtsi +++ b/arch/powerpc/boot/dts/fsl/p2020si-post.dtsi @@ -182,6 +182,10 @@ /include/ "pq3-etsec1-1.dtsi" /include/ "pq3-etsec1-2.dtsi" /include/ "pq3-esdhc-0.dtsi" + sdhc@2e000 { + compatible = "fsl,p2020-esdhc", "fsl,esdhc"; + }; + /include/ "pq3-sec3.1-0.dtsi" /include/ "pq3-mpic.dtsi" /include/ "pq3-mpic-timer-B.dtsi" diff --git a/arch/powerpc/boot/dts/p1020rdb.dtsi b/arch/powerpc/boot/dts/p1020rdb.dtsi index b5bd86f4baf..1fb7e0e0940 100644 --- a/arch/powerpc/boot/dts/p1020rdb.dtsi +++ b/arch/powerpc/boot/dts/p1020rdb.dtsi @@ -1,7 +1,7 @@ /* * P1020 RDB Device Tree Source stub (no addresses or top-level ranges) * - * Copyright 2011 Freescale Semiconductor Inc. + * Copyright 2011-2012 Freescale Semiconductor Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: @@ -190,17 +190,16 @@ usb@22000 { phy_type = "ulpi"; + dr_mode = "host"; }; - /* USB2 is shared with localbus, so it must be disabled - by default. We can't put 'status = "disabled";' here - since U-Boot doesn't clear the status property when - it enables USB2. OTOH, U-Boot does create a new node - when there isn't any. So, just comment it out. + /* USB2 is shared with localbus. It is used + only in case of SPI and SD boot after + appropriate device-tree fixup done by uboot */ usb@23000 { phy_type = "ulpi"; + dr_mode = "host"; }; - */ mdio@24000 { phy0: ethernet-phy@0 { diff --git a/arch/powerpc/boot/dts/p1021mds.dts b/arch/powerpc/boot/dts/p1021mds.dts index d9540791e43..97116f198a3 100644 --- a/arch/powerpc/boot/dts/p1021mds.dts +++ b/arch/powerpc/boot/dts/p1021mds.dts @@ -1,7 +1,7 @@ /* * P1021 MDS Device Tree Source * - * Copyright 2010 Freescale Semiconductor Inc. + * Copyright 2010,2012 Freescale Semiconductor Inc. * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -151,6 +151,7 @@ usb@22000 { phy_type = "ulpi"; + dr_mode = "host"; }; mdio@24000 { diff --git a/arch/powerpc/boot/dts/p2020ds.dtsi b/arch/powerpc/boot/dts/p2020ds.dtsi index c1cf6cef4dd..d3b939c573b 100644 --- a/arch/powerpc/boot/dts/p2020ds.dtsi +++ b/arch/powerpc/boot/dts/p2020ds.dtsi @@ -1,7 +1,7 @@ /* * P2020DS Device Tree Source stub (no addresses or top-level ranges) * - * Copyright 2011 Freescale Semiconductor Inc. + * Copyright 2011-2012 Freescale Semiconductor Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: @@ -134,6 +134,7 @@ &board_soc { usb@22000 { phy_type = "ulpi"; + dr_mode = "host"; }; mdio@24520 { diff --git a/arch/powerpc/boot/dts/p2020rdb.dts b/arch/powerpc/boot/dts/p2020rdb.dts index 26759a59171..eb8a6aa2bda 100644 --- a/arch/powerpc/boot/dts/p2020rdb.dts +++ b/arch/powerpc/boot/dts/p2020rdb.dts @@ -1,7 +1,7 @@ /* * P2020 RDB Device Tree Source * - * Copyright 2009-2011 Freescale Semiconductor Inc. + * Copyright 2009-2012 Freescale Semiconductor Inc. * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -197,6 +197,7 @@ usb@22000 { phy_type = "ulpi"; + dr_mode = "host"; }; mdio@24520 { diff --git a/arch/powerpc/configs/ppc64_defconfig b/arch/powerpc/configs/ppc64_defconfig index 2156e077859..1acf6502677 100644 --- a/arch/powerpc/configs/ppc64_defconfig +++ b/arch/powerpc/configs/ppc64_defconfig @@ -24,10 +24,6 @@ CONFIG_PPC_SPLPAR=y CONFIG_SCANLOG=m CONFIG_PPC_SMLPAR=y CONFIG_DTL=y -CONFIG_PPC_ISERIES=y -CONFIG_VIODASD=y -CONFIG_VIOCD=m -CONFIG_VIOTAPE=m CONFIG_PPC_MAPLE=y CONFIG_PPC_PASEMI=y CONFIG_PPC_PASEMI_IOMMU=y @@ -259,7 +255,6 @@ CONFIG_PASEMI_MAC=y CONFIG_MLX4_EN=m CONFIG_QLGE=m CONFIG_BE2NET=m -CONFIG_ISERIES_VETH=m CONFIG_PPP=m CONFIG_PPP_ASYNC=m CONFIG_PPP_SYNC_TTY=m diff --git a/arch/powerpc/include/asm/ppc-pci.h b/arch/powerpc/include/asm/ppc-pci.h index 43268f15004..6d422979eba 100644 --- a/arch/powerpc/include/asm/ppc-pci.h +++ b/arch/powerpc/include/asm/ppc-pci.h @@ -142,6 +142,11 @@ static inline const char *eeh_pci_name(struct pci_dev *pdev) return pdev ? pci_name(pdev) : "<null>"; } +static inline const char *eeh_driver_name(struct pci_dev *pdev) +{ + return (pdev && pdev->driver) ? pdev->driver->name : "<null>"; +} + #endif /* CONFIG_EEH */ #else /* CONFIG_PCI */ diff --git a/arch/powerpc/include/asm/ptrace.h b/arch/powerpc/include/asm/ptrace.h index 78a205162fd..84cc7840cd1 100644 --- a/arch/powerpc/include/asm/ptrace.h +++ b/arch/powerpc/include/asm/ptrace.h @@ -83,8 +83,18 @@ struct pt_regs { #ifndef __ASSEMBLY__ -#define instruction_pointer(regs) ((regs)->nip) -#define user_stack_pointer(regs) ((regs)->gpr[1]) +#define GET_IP(regs) ((regs)->nip) +#define GET_USP(regs) ((regs)->gpr[1]) +#define GET_FP(regs) (0) +#define SET_FP(regs, val) + +#ifdef CONFIG_SMP +extern unsigned long profile_pc(struct pt_regs *regs); +#define profile_pc profile_pc +#endif + +#include <asm-generic/ptrace.h> + #define kernel_stack_pointer(regs) ((regs)->gpr[1]) static inline int is_syscall_success(struct pt_regs *regs) { @@ -99,12 +109,6 @@ static inline long regs_return_value(struct pt_regs *regs) return -regs->gpr[3]; } -#ifdef CONFIG_SMP -extern unsigned long profile_pc(struct pt_regs *regs); -#else -#define profile_pc(regs) instruction_pointer(regs) -#endif - #ifdef __powerpc64__ #define user_mode(regs) ((((regs)->msr) >> MSR_PR_LG) & 0x1) #else diff --git a/arch/powerpc/kernel/crash.c b/arch/powerpc/kernel/crash.c index 28be3452e67..abef75176c0 100644 --- a/arch/powerpc/kernel/crash.c +++ b/arch/powerpc/kernel/crash.c @@ -46,7 +46,6 @@ /* This keeps a track of which one is the crashing cpu. */ int crashing_cpu = -1; -static atomic_t cpus_in_crash; static int time_to_dump; #define CRASH_HANDLER_MAX 3 @@ -66,6 +65,7 @@ static int handle_fault(struct pt_regs *regs) #ifdef CONFIG_SMP +static atomic_t cpus_in_crash; void crash_ipi_callback(struct pt_regs *regs) { static cpumask_t cpus_state_saved = CPU_MASK_NONE; diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S index d4be7bb3dbd..3844ca7c509 100644 --- a/arch/powerpc/kernel/exceptions-64s.S +++ b/arch/powerpc/kernel/exceptions-64s.S @@ -775,7 +775,7 @@ program_check_common: EXCEPTION_PROLOG_COMMON(0x700, PACA_EXGEN) bl .save_nvgprs addi r3,r1,STACK_FRAME_OVERHEAD - ENABLE_INTS + DISABLE_INTS bl .program_check_exception b .ret_from_except diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c index 701d4aceb4f..01e2877e8e0 100644 --- a/arch/powerpc/kernel/irq.c +++ b/arch/powerpc/kernel/irq.c @@ -118,10 +118,14 @@ static inline notrace void set_soft_enabled(unsigned long enable) static inline notrace void decrementer_check_overflow(void) { u64 now = get_tb_or_rtc(); - u64 *next_tb = &__get_cpu_var(decrementers_next_tb); + u64 *next_tb; + + preempt_disable(); + next_tb = &__get_cpu_var(decrementers_next_tb); if (now >= *next_tb) set_dec(1); + preempt_enable(); } notrace void arch_local_irq_restore(unsigned long en) diff --git a/arch/powerpc/kernel/legacy_serial.c b/arch/powerpc/kernel/legacy_serial.c index 3fea3689527..bedd12e1cfb 100644 --- a/arch/powerpc/kernel/legacy_serial.c +++ b/arch/powerpc/kernel/legacy_serial.c @@ -442,8 +442,10 @@ static void __init fixup_port_irq(int index, port->irq = virq; +#ifdef CONFIG_SERIAL_8250_FSL if (of_device_is_compatible(np, "fsl,ns16550")) port->handle_irq = fsl8250_handle_irq; +#endif } static void __init fixup_port_pio(int index, diff --git a/arch/powerpc/kernel/perf_event.c b/arch/powerpc/kernel/perf_event.c index 10a140f82cb..64483fde95c 100644 --- a/arch/powerpc/kernel/perf_event.c +++ b/arch/powerpc/kernel/perf_event.c @@ -865,6 +865,7 @@ static void power_pmu_start(struct perf_event *event, int ef_flags) { unsigned long flags; s64 left; + unsigned long val; if (!event->hw.idx || !event->hw.sample_period) return; @@ -880,7 +881,12 @@ static void power_pmu_start(struct perf_event *event, int ef_flags) event->hw.state = 0; left = local64_read(&event->hw.period_left); - write_pmc(event->hw.idx, left); + + val = 0; + if (left < 0x80000000L) + val = 0x80000000L - left; + + write_pmc(event->hw.idx, val); perf_event_update_userpage(event); perf_pmu_enable(event->pmu); diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index ebe5766781a..d817ab01848 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -566,12 +566,12 @@ static void show_instructions(struct pt_regs *regs) */ if (!__kernel_text_address(pc) || __get_user(instr, (unsigned int __user *)pc)) { - printk("XXXXXXXX "); + printk(KERN_CONT "XXXXXXXX "); } else { if (regs->nip == pc) - printk("<%08x> ", instr); + printk(KERN_CONT "<%08x> ", instr); else - printk("%08x ", instr); + printk(KERN_CONT "%08x ", instr); } pc += sizeof(int); diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c index 517b1d8f455..9f843cdfee9 100644 --- a/arch/powerpc/kernel/rtas.c +++ b/arch/powerpc/kernel/rtas.c @@ -716,7 +716,6 @@ static int __rtas_suspend_last_cpu(struct rtas_suspend_me_data *data, int wake_w int cpu; slb_set_size(SLB_MIN_SIZE); - stop_topology_update(); printk(KERN_DEBUG "calling ibm,suspend-me on cpu %i\n", smp_processor_id()); while (rc == H_MULTI_THREADS_ACTIVE && !atomic_read(&data->done) && @@ -732,7 +731,6 @@ static int __rtas_suspend_last_cpu(struct rtas_suspend_me_data *data, int wake_w rc = atomic_read(&data->error); atomic_set(&data->error, rc); - start_topology_update(); pSeries_coalesce_init(); if (wake_when_done) { @@ -846,6 +844,7 @@ int rtas_ibm_suspend_me(struct rtas_args *args) atomic_set(&data.error, 0); data.token = rtas_token("ibm,suspend-me"); data.complete = &done; + stop_topology_update(); /* Call function on all CPUs. One of us will make the * rtas call @@ -858,6 +857,8 @@ int rtas_ibm_suspend_me(struct rtas_args *args) if (atomic_read(&data.error) != 0) printk(KERN_ERR "Error doing global join\n"); + start_topology_update(); + return atomic_read(&data.error); } #else /* CONFIG_PPC_PSERIES */ diff --git a/arch/powerpc/platforms/85xx/p1022_ds.c b/arch/powerpc/platforms/85xx/p1022_ds.c index bb3d84f4046..b0984ada3f8 100644 --- a/arch/powerpc/platforms/85xx/p1022_ds.c +++ b/arch/powerpc/platforms/85xx/p1022_ds.c @@ -25,6 +25,7 @@ #include <sysdev/fsl_soc.h> #include <sysdev/fsl_pci.h> +#include <asm/udbg.h> #include <asm/fsl_guts.h> #include "smp.h" diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c index f31162cfdaa..5e155dfc432 100644 --- a/arch/powerpc/platforms/powernv/pci-ioda.c +++ b/arch/powerpc/platforms/powernv/pci-ioda.c @@ -204,11 +204,10 @@ static void __devinit pnv_ioda_offset_bus(struct pci_bus *bus, pr_devel(" -> OBR %s [%x] +%016llx\n", bus->self ? pci_name(bus->self) : "root", flags, offset); - for (i = 0; i < 2; i++) { - r = bus->resource[i]; + pci_bus_for_each_resource(bus, r, i) { if (r && (r->flags & flags)) { - bus->resource[i]->start += offset; - bus->resource[i]->end += offset; + r->start += offset; + r->end += offset; } } list_for_each_entry(dev, &bus->devices, bus_list) @@ -288,12 +287,17 @@ static void __devinit pnv_ioda_calc_bus(struct pci_bus *bus, unsigned int flags, * assignment algorithm is going to be uber-trivial for now, we * can try to be smarter later at filling out holes. */ - start = bus->self ? 0 : bus->resource[bres]->start; - - /* Don't hand out IO 0 */ - if ((flags & IORESOURCE_IO) && !bus->self) - start += 0x1000; - + if (bus->self) { + /* No offset for downstream bridges */ + start = 0; + } else { + /* Offset from the root */ + if (flags & IORESOURCE_IO) + /* Don't hand out IO 0 */ + start = hose->io_resource.start + 0x1000; + else + start = hose->mem_resources[0].start; + } while(!list_empty(&head)) { w = list_first_entry(&head, struct resource_wrap, link); list_del(&w->link); @@ -321,13 +325,20 @@ static void __devinit pnv_ioda_calc_bus(struct pci_bus *bus, unsigned int flags, empty: /* Only setup P2P's, not the PHB itself */ if (bus->self) { - WARN_ON(bus->resource[bres] == NULL); - bus->resource[bres]->start = 0; - bus->resource[bres]->flags = (*size) ? flags : 0; - bus->resource[bres]->end = (*size) ? (*size - 1) : 0; + struct resource *res = bus->resource[bres]; + + if (WARN_ON(res == NULL)) + return; - /* Clear prefetch bus resources for now */ - bus->resource[2]->flags = 0; + /* + * FIXME: We should probably export and call + * pci_bridge_check_ranges() to properly re-initialize + * the PCI portion of the flags here, and to detect + * what the bridge actually supports. + */ + res->start = 0; + res->flags = (*size) ? flags : 0; + res->end = (*size) ? (*size - 1) : 0; } pr_devel("<- CBR %s [%x] *size=%016llx *align=%016llx\n", diff --git a/arch/powerpc/platforms/powernv/pci.c b/arch/powerpc/platforms/powernv/pci.c index a70bc1e385e..f92b9ef7340 100644 --- a/arch/powerpc/platforms/powernv/pci.c +++ b/arch/powerpc/platforms/powernv/pci.c @@ -52,32 +52,38 @@ static int pnv_msi_check_device(struct pci_dev* pdev, int nvec, int type) static unsigned int pnv_get_one_msi(struct pnv_phb *phb) { - unsigned int id; + unsigned long flags; + unsigned int id, rc; + + spin_lock_irqsave(&phb->lock, flags); - spin_lock(&phb->lock); id = find_next_zero_bit(phb->msi_map, phb->msi_count, phb->msi_next); if (id >= phb->msi_count && phb->msi_next) id = find_next_zero_bit(phb->msi_map, phb->msi_count, 0); if (id >= phb->msi_count) { - spin_unlock(&phb->lock); - return 0; + rc = 0; + goto out; } __set_bit(id, phb->msi_map); - spin_unlock(&phb->lock); - return id + phb->msi_base; + rc = id + phb->msi_base; +out: + spin_unlock_irqrestore(&phb->lock, flags); + return rc; } static void pnv_put_msi(struct pnv_phb *phb, unsigned int hwirq) { + unsigned long flags; unsigned int id; if (WARN_ON(hwirq < phb->msi_base || hwirq >= (phb->msi_base + phb->msi_count))) return; id = hwirq - phb->msi_base; - spin_lock(&phb->lock); + + spin_lock_irqsave(&phb->lock, flags); __clear_bit(id, phb->msi_map); - spin_unlock(&phb->lock); + spin_unlock_irqrestore(&phb->lock, flags); } static int pnv_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type) diff --git a/arch/powerpc/platforms/pseries/Kconfig b/arch/powerpc/platforms/pseries/Kconfig index ae7b6d41fed..31f22c1f657 100644 --- a/arch/powerpc/platforms/pseries/Kconfig +++ b/arch/powerpc/platforms/pseries/Kconfig @@ -122,7 +122,7 @@ config DTL Say N if you are unsure. config PSERIES_IDLE - tristate "Cpuidle driver for pSeries platforms" + bool "Cpuidle driver for pSeries platforms" depends on CPU_IDLE depends on PPC_PSERIES default y diff --git a/arch/powerpc/platforms/pseries/eeh.c b/arch/powerpc/platforms/pseries/eeh.c index 565869022e3..c0b40af4ce4 100644 --- a/arch/powerpc/platforms/pseries/eeh.c +++ b/arch/powerpc/platforms/pseries/eeh.c @@ -551,9 +551,9 @@ int eeh_dn_check_failure(struct device_node *dn, struct pci_dev *dev) printk (KERN_ERR "EEH: %d reads ignored for recovering device at " "location=%s driver=%s pci addr=%s\n", pdn->eeh_check_count, location, - dev->driver->name, eeh_pci_name(dev)); + eeh_driver_name(dev), eeh_pci_name(dev)); printk (KERN_ERR "EEH: Might be infinite loop in %s driver\n", - dev->driver->name); + eeh_driver_name(dev)); dump_stack(); } goto dn_unlock; diff --git a/arch/powerpc/platforms/pseries/suspend.c b/arch/powerpc/platforms/pseries/suspend.c index b84a8b2238d..47226e04126 100644 --- a/arch/powerpc/platforms/pseries/suspend.c +++ b/arch/powerpc/platforms/pseries/suspend.c @@ -24,6 +24,7 @@ #include <asm/machdep.h> #include <asm/mmu.h> #include <asm/rtas.h> +#include <asm/topology.h> static u64 stream_id; static struct device suspend_dev; @@ -138,8 +139,11 @@ static ssize_t store_hibernate(struct device *dev, ssleep(1); } while (rc == -EAGAIN); - if (!rc) + if (!rc) { + stop_topology_update(); rc = pm_suspend(PM_SUSPEND_MEM); + start_topology_update(); + } stream_id = 0; diff --git a/arch/powerpc/platforms/wsp/ics.c b/arch/powerpc/platforms/wsp/ics.c index 57687439254..97fe82ee863 100644 --- a/arch/powerpc/platforms/wsp/ics.c +++ b/arch/powerpc/platforms/wsp/ics.c @@ -346,7 +346,7 @@ static int wsp_chip_set_affinity(struct irq_data *d, * For the moment only implement delivery to all cpus or one cpu. * Get current irq_server for the given irq */ - ret = cache_hwirq_map(ics, d->irq, cpumask); + ret = cache_hwirq_map(ics, hw_irq, cpumask); if (ret == -1) { char cpulist[128]; cpumask_scnprintf(cpulist, sizeof(cpulist), cpumask); diff --git a/arch/powerpc/platforms/wsp/wsp_pci.c b/arch/powerpc/platforms/wsp/wsp_pci.c index e0262cd0e2d..d24b3acf858 100644 --- a/arch/powerpc/platforms/wsp/wsp_pci.c +++ b/arch/powerpc/platforms/wsp/wsp_pci.c @@ -468,15 +468,15 @@ static void __init wsp_pcie_configure_hw(struct pci_controller *hose) #define DUMP_REG(x) \ pr_debug("%-30s : 0x%016llx\n", #x, in_be64(hose->cfg_data + x)) -#ifdef CONFIG_WSP_DD1_WORKAROUND_BAD_PCIE_CLASS - /* WSP DD1 has a bogus class code by default in the PCI-E - * root complex's built-in P2P bridge */ + /* + * Some WSP variants has a bogus class code by default in the PCI-E + * root complex's built-in P2P bridge + */ val = in_be64(hose->cfg_data + PCIE_REG_SYS_CFG1); pr_debug("PCI-E SYS_CFG1 : 0x%llx\n", val); out_be64(hose->cfg_data + PCIE_REG_SYS_CFG1, (val & ~PCIE_REG_SYS_CFG1_CLASS_CODE) | (PCI_CLASS_BRIDGE_PCI << 8)); pr_debug("PCI-E SYS_CFG1 : 0x%llx\n", in_be64(hose->cfg_data + PCIE_REG_SYS_CFG1)); -#endif /* CONFIG_WSP_DD1_WORKAROUND_BAD_PCIE_CLASS */ #ifdef CONFIG_WSP_DD1_WORKAROUND_DD1_TCE_BUGS /* XXX Disable TCE caching, it doesn't work on DD1 */ diff --git a/arch/powerpc/sysdev/fsl_pci.c b/arch/powerpc/sysdev/fsl_pci.c index 3b61e8cf342..6073288fed2 100644 --- a/arch/powerpc/sysdev/fsl_pci.c +++ b/arch/powerpc/sysdev/fsl_pci.c @@ -205,12 +205,12 @@ static void __init setup_pci_atmu(struct pci_controller *hose, if (paddr_hi == paddr_lo) { pr_err("%s: No outbound window space\n", name); - return ; + goto out; } if (paddr_lo == 0) { pr_err("%s: No space for inbound window\n", name); - return ; + goto out; } /* setup PCSRBAR/PEXCSRBAR */ @@ -357,6 +357,7 @@ static void __init setup_pci_atmu(struct pci_controller *hose, (u64)hose->dma_window_size); } +out: iounmap(pci); } @@ -384,26 +385,36 @@ static void __init setup_pci_cmd(struct pci_controller *hose) void fsl_pcibios_fixup_bus(struct pci_bus *bus) { struct pci_controller *hose = pci_bus_to_host(bus); - int i; - - if ((bus->parent == hose->bus) && - ((fsl_pcie_bus_fixup && - early_find_capability(hose, 0, 0, PCI_CAP_ID_EXP)) || - (hose->indirect_type & PPC_INDIRECT_TYPE_NO_PCIE_LINK))) - { - for (i = 0; i < 4; ++i) { + int i, is_pcie = 0, no_link; + + /* The root complex bridge comes up with bogus resources, + * we copy the PHB ones in. + * + * With the current generic PCI code, the PHB bus no longer + * has bus->resource[0..4] set, so things are a bit more + * tricky. + */ + + if (fsl_pcie_bus_fixup) + is_pcie = early_find_capability(hose, 0, 0, PCI_CAP_ID_EXP); + no_link = !!(hose->indirect_type & PPC_INDIRECT_TYPE_NO_PCIE_LINK); + + if (bus->parent == hose->bus && (is_pcie || no_link)) { + for (i = 0; i < PCI_BRIDGE_RESOURCE_NUM; ++i) { struct resource *res = bus->resource[i]; - struct resource *par = bus->parent->resource[i]; - if (res) { - res->start = 0; - res->end = 0; - res->flags = 0; - } - if (res && par) { - res->start = par->start; - res->end = par->end; - res->flags = par->flags; - } + struct resource *par; + + if (!res) + continue; + if (i == 0) + par = &hose->io_resource; + else if (i < 4) + par = &hose->mem_resources[i-1]; + else par = NULL; + + res->start = par ? par->start : 0; + res->end = par ? par->end : 0; + res->flags = par ? par->flags : 0; } } } |