aboutsummaryrefslogtreecommitdiffstats
path: root/arch/powerpc/platforms
Commit message (Collapse)AuthorAge
...
| * | | | | | | | | | | | powerpc/85xx: Add support for the "socrates" board (MPC8544).Wolfgang Grandegger2009-03-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Supported are Ethernet, serial console, I2C, I2C-based RTC and temperature sensors, NOR and NAND flash, PCI, USB, CAN and Lime display controller. The multiplexing of FPGA interrupts onto PowerPC interrupt lines is supported through our own fpga_pic interrupt controller driver. For example the SJA1000 controller is level low sensitive connected to fpga_pic line 2 and is routed to the second (of three) irq lines to the CPU: can@3,100 { compatible = "philips,sja1000"; reg = <3 0x100 0x80>; interrupts = <2 2>; interrupts = <2 8 1>; // number, type, routing interrupt-parent = <&fpga_pic>; }; Signed-off-by: Sergei Poselenov <sposelenov@emcraft.com> Signed-off-by: Yuri Tikhonov <yur@emcraft.com> Signed-off-by: Ilya Yanok <yanok@emcraft.com> Signed-off-by: Wolfgang Grandegger <wg@grandegger.com> Signed-off-by: Anatolij Gustschin <agust@denx.de> Signed-off-by: Dmitry Rakhchev <rda@emcraft.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
| * | | | | | | | | | | | powerpc/86xx: Move gianfar mdio nodes under the ethernet nodesAnton Vorontsov2009-03-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently it doesn't matter where the mdio nodes are placed, but with power management support (i.e. when sleep = <> properties will take effect), mdio nodes placement will become important: mdio controller is a part of the ethernet block, so the mdio nodes should be placed correctly. Otherwise we may wrongly assume that MDIO controllers are available during sleep. Suggested-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
| * | | | | | | | | | | | powerpc/85xx: Move gianfar mdio nodes under the ethernet nodesAnton Vorontsov2009-03-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently it doesn't matter where the mdio nodes are placed, but with power management support (i.e. when sleep = <> properties will take effect), mdio nodes placement will become important: mdio controller is a part of the ethernet block, so the mdio nodes should be placed correctly. Otherwise we may wrongly assume that MDIO controllers are available during sleep. Suggested-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
| * | | | | | | | | | | | powerpc/83xx: Move gianfar mdio nodes under the ethernet nodesAnton Vorontsov2009-03-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently it doesn't matter where the mdio nodes are placed, but with power management support (i.e. when sleep = <> properties will take effect), mdio nodes placement will become important: mdio controller is a part of the ethernet block, so the mdio nodes should be placed correctly. Otherwise we may wrongly assume that MDIO controllers are available during sleep. Suggested-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
* | | | | | | | | | | | | powerpc: Add write barrier before enabling DTL flagsJeremy Kerr2009-03-27
|/ / / / / / / / / / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently, we don't enforce any ordering for updates to the lppaca when enabling dtl logging, so we may end up enabling logging before the index fields have been established. This change adds a smp_wmb() before doing the actual enable. Signed-off-by: Jeremy Kerr <jk@ozlabs.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* | | | | | | | | | | | powerpc/cell: Fix iommu exception reportingJeremy Kerr2009-03-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently, we will report a page fault as a segment fault, and report a segment fault as both a page and segment fault. Fix the SPF_P definition to be correct according to the iommu docs, and mask before comparing. Signed-off-by: Jeremy Kerr <jk@ozlabs.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* | | | | | | | | | | | powerpc: setup default archdata for {of_}platform via bus_register_notifierKumar Gala2009-03-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since a number of powerpc chips are SoCs we end up having dma-able devices that are registered as platform or of_platform devices. We need to hook the archdata to setup proper dma_ops for these devices. Rather than having to add a bus_notify to each platform we add a default one at the highest priority (called first) to set the default dma_ops for of_platform and platform devices to dma_direct_ops. This allows platform code to override the ops by providing their own notifier call back. In the future to enable >4G DMA support on ppc32 we can hook swiotlb ops. Signed-off-by: Kumar Gala <galak@kernel.crashing.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* | | | | | | | | | | | cpumask: Use mm_cpumask() wrapper instead of cpu_vm_maskRusty Russell2009-03-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Makes code futureproof against the impending change to mm->cpu_vm_mask. It's also a chance to use the new cpumask_ ops which take a pointer (the older ones are deprecated, but there's no hurry for arch code). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* | | | | | | | | | | | powerpc/cell: Make axonram depends on BLOCKMichael Ellerman2009-03-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix axonram driver dependency Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* | | | | | | | | | | | powerpc: Add virtual processor dispatch trace logJeremy Kerr2009-03-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | pseries SPLPAR machines are able to retrieve a log of dispatch and preempt events from the hypervisor. With this information, we can see when and why each dispatch & preempt is occuring. This change adds a set of debugfs files allowing userspace to read this dispatch log. Based on initial patches from Nishanth Aravamudan <nacc@us.ibm.com>. Signed-off-by: Jeremy Kerr <jk@ozlabs.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* | | | | | | | | | | | powerpc/pseries: Failed reconfig notifier chain call cleanupNathan Fontenot2009-03-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The return code from invoking the notifier chain when updating the ibm,dynamic-memory property is not handled properly. In failure cases (rc == NOTIFY_BAD) we should be restoring the original value of the property. In success (rc == NOTIFY_OK) we should be returning zero from the calling routine. Signed-off-by: Nathan Fontenot <nfont@austin.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* | | | | | | | | | | | Merge commit 'origin/master' into nextBenjamin Herrenschmidt2009-03-23
|\| | | | | | | | | | |
| * | | | | | | | | | | ps3/block: Replace mtd/ps3vram by block/ps3vramGeert Uytterhoeven2009-03-13
| | |_|_|_|_|/ / / / / | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Convert the PS3 Video RAM Storage Driver from an MTD driver to a plain block device driver. The ps3vram driver exposes unused video RAM on the PS3 as a block device suitable for storage or swap. Fast data transfer is achieved using a local cache in system RAM and DMA transfers via the GPU. The new driver is ca. 50% faster for reading, and ca. 10% for writing. Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com> Acked-by: Geoff Levand <geoffrey.levand@am.sony.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
| * | | | | | | | | | powerpc: fix linkstation and storcenter compilation breakageGuennadi Liakhovetski2009-03-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Defining flash partition table in platform code is deprecated, and due to recent changes linkstation and storcenter do not compile any more with their default configurations because of undefined references to physmap_set_partitions(). Instead of fixing them by using the correct kernel configuration macro in preprocessor conditional, remove partition table definitions altogether. Instead add support for partition definition on the command-line and in device tree to the default configurations. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
* | | | | | | | | | | Merge commit 'gcl/next' into nextBenjamin Herrenschmidt2009-03-20
|\ \ \ \ \ \ \ \ \ \ \
| * | | | | | | | | | | powerpc/5200: add Phytec phyCORE-MPC5200B-IO board (pcm032)Wolfram Sang2009-03-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
| * | | | | | | | | | | powerpc/5200: add function to return external clock frequencyWolfgang Grandegger2009-03-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds the utility function mpc52xx_get_xtal_freq() to get the frequency of the external oscillator clock connected to the pin SYS_XTAL_IN. The MSCAN may us it as clock source. Unfortunately, this value is not available from the FDT blob, but it can be determined from the IPB frequency. Signed-off-by: Wolfgang Grandegger <wg@grandegger.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
| * | | | | | | | | | | powerpc/5200: remove sysfs debug file from GPT driverGrant Likely2009-03-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Remove poorly designed debug sysfs attribute entry from the GPT driver. Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Acked-by: Wolfram Sang <w.sang@pengutronix.de>
* | | | | | | | | | | | Merge commit 'kumar/next' into nextBenjamin Herrenschmidt2009-03-20
|\ \ \ \ \ \ \ \ \ \ \ \
| * | | | | | | | | | | | powerpc/86xx: Board support for GE Fanuc's PPC9AMartyn Welch2009-03-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Support for the PPC9A VME Single Board Computer from GE Fanuc (PowerPC MPC8641D). This is the basic board support for GE Fanuc's PPC9A, a 6U single board computer, based on Freescale's MPC8641D. Signed-off-by: Martyn Welch <martyn.welch@gefanuc.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
| * | | | | | | | | | | | powerpc/86xx: Run sbc310 USB fixup code only on the appropriate platform.Martyn Welch2009-03-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch to limit NEC fixup to SBC310, following similar patch to SBC610 by Tony Breeds: 368a12117dd8abf6eaefa37c21ac313b517128b9 Signed-off-by: Martyn Welch <martyn.welch@gefanuc.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
| * | | | | | | | | | | | powerpc/85xx: Update smp support to handle doorbells and non-mpic initKumar Gala2009-03-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use device tree to determine if we actually have an MPIC and use CPU feature to decide if we should use doorbells for IPIs. Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
| * | | | | | | | | | | | powerpc/85xx: remove setup_irq(NULL action) in ksi8560Thomas Gleixner2009-03-11
| |/ / / / / / / / / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | setup_irq(0, NULL) is broken as setup_irq() dereferences action unconditionally. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
* | | | | | | | | | | | powerpc/kconfig: Kill PPC_MULTIPLATFORMBenjamin Herrenschmidt2009-03-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | CONFIG_PPC_MULTIPLATFORM is a remain of the pre-powerpc days and isn't really meaningful anymore. It was basically equivalent to PPC64 || 6xx. This removes it along with the following changes: - 32-bit platforms that relied on PPC32 && PPC_MULTIPLATFORM now rely on 6xx which is what they want anyway. - A new symbol, PPC_BOOK3S, is defined that represent compliance with the "Server" variant of the architecture. This is set when either 6xx or PPC64 is set and open the door for future BOOK3E 64-bit. - 64-bit platforms that relied on PPC64 && PPC_MULTIPLATFORM now use PPC64 && PPC_BOOK3S - A separate and selectable CONFIG_PPC_OF_BOOT_TRAMPOLINE option is now used to control the use of prom_init.c Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* | | | | | | | | | | | powerpc/irq: Convert obsolete hw_interrupt_type to struct irq_chipThomas Gleixner2009-03-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: cleanup Convert the last remaining users to struct irq_chip. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> CC: Benjamin Herrenschmidt <benh@kernel.crashing.org> CC: linuxppc-dev@ozlabs.org Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* | | | | | | | | | | | powerpc/irq: Convert obsolete irq_desc_t to struct irq_descThomas Gleixner2009-03-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: cleanup Convert the last remaining users. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> CC: Benjamin Herrenschmidt <benh@kernel.crashing.org> CC: linuxppc-dev@ozlabs.org Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* | | | | | | | | | | | powerpc/cell: Fix Axon MSI driver dependenciesMichael Ellerman2009-03-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The Axon MSI driver depends on more than just PCI_MSI, so add a Kconfig fragment for it. Fixes randconfig build failures. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* | | | | | | | | | | | powerpc/pseries: The pseries MSI code depends on EEHMichael Ellerman2009-03-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* | | | | | | | | | | | powerpc/pseries: Reject discontiguous/non-zero based MSI-X requestsMichael Ellerman2009-03-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There's no way for us to express to firmware that we want a discontiguous, or non-zero based, range of MSI-X entries. So we must reject such requests. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* | | | | | | | | | | | powerpc/spufs: Fix incorrect buffer offset in regs writeJeremy Kerr2009-03-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We need to offset by *pos bytes, not *pos words. Signed-off-by: Jeremy Kerr <jk@ozlabs.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* | | | | | | | | | | | powerpc/spufs: Check file offset before calculating write size in ↵Jeremy Kerr2009-03-11
|/ / / / / / / / / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | fixed-sized files Based on an original patch from Roel Kluin <roel.kluin@gmail.com>. The write size calculated during regs and fpcr writes may currently go negative. Because size is unsigned, this will wrap, and our check for EFBIG will fail. Instead, do the check for EFBIG before subtracting from size. Signed-off-by: Jeremy Kerr <jk@ozlabs.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* | | | | | | | | | | powerpc/ps3: Print memory hotplug errorsGeoff Levand2009-03-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | To help users diagnose hotpug memory problems, change the printing of memory hotplug errors from DBG() to pr_err(). Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* | | | | | | | | | | powerpc/spufs: Initialize ctx->stats.tstamp correctlyArnd Bergmann2009-03-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | spuctx_switch_state() warns if ktime goes backwards, but it sometimes compares an uninitialized value, which showed that the data was unreliable when we actually saw the warning. Initialize it to the current time in order to get correct data. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Jeremy Kerr <jk@ozlabs.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* | | | | | | | | | | powerpc: Wire up /proc/vmallocinfo to our ioremap()Benjamin Herrenschmidt2009-03-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This adds the necessary bits and pieces to powerpc implementation of ioremap to benefit from caller tracking in /proc/vmallocinfo, at least for ioremap's done after mem init as the older ones aren't tracked. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* | | | | | | | | | | powerpc: Estimate G5 cpufreq transition latencyNick Piggin2009-03-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Setting G5's cpu frequency transition latency to CPUFREQ_ETERNAL stops ondemand governor from working. I measured the latency using sched_clock and haven't seen much higher than 11000ns, so I set this to 12000ns for my configuration. Possibly other configurations will be different? Ideally the generic code would be able to measure it in case the platform does not provide it. But this simple patch at least makes it throttle again. Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* | | | | | | | | | | Merge commit 'origin/master' into nextBenjamin Herrenschmidt2009-03-11
|\| | | | | | | | | |
| * | | | | | | | | | powerpc: Run sbc610 USB fixup code only on the appropriate platform.Tony Breeds2009-03-04
| |/ / / / / / / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | commit a969e76a7101bf5f3d369563df1ca1253dd6131b (powerpc: Correct USB support for GE Fanuc SBC610) introduced a fixup for NEC usb controllers. This fixup should only run on GEF SBC610 boards. Fixes Fedora bug #486511. (https://bugzilla.redhat.com/show_bug.cgi?id=486511) Signed-off-by: Tony Breeds <tony@bakeyournoodle.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* | | | | | | | | | Merge commit 'gcl/next' into nextBenjamin Herrenschmidt2009-03-11
|\ \ \ \ \ \ \ \ \ \
| * | | | | | | | | | powerpc/5200: Add 'simple-bus' to the of_platform probe list.Grant Likely2009-02-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | To better match the ePAPR specification, device nodes which claim "simple-bus" compatibility should be probed by default. Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
* | | | | | | | | | | powerpc/83xx: Do not configure or probe disabled FSL DR USB controllersAnton Vorontsov2009-03-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | On MPC837X CPUs Dual-Role USB isn't always available (for example DR USB pins can be muxed away to eSDHC). U-Boot adds status = "disabled" property into the DR USB nodes to indicate that we must not try to configure or probe Dual-Role USB, otherwise we'll break eSDHC support on targets with MPC837X CPUs. Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
* | | | | | | | | | | Merge commit 'jwb/next' into nextBenjamin Herrenschmidt2009-03-02
|\ \ \ \ \ \ \ \ \ \ \
| * | | | | | | | | | | AMCC PPC 460SX redwood SoC platform initial frameworkMadhulika Madishetty2009-02-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch contains initial framework for the AMCC Redwood board. Signed-off-by: Madhulika Madishetty <mmadishetty@amcc.com> Signed-off-by: Tirumala Marri <tmarri@amcc.com> Signed-off-by: Feng Kan <fkan@amcc.com> Signed-off-by: Vidhyananth Venkatasamy <vvenkatasamy@amcc.com> Signed-off-by: Preetesh Parekh <pparekh@amcc.com> Acked-by: Loc Ho <lho@amcc.com> Acked-by: Feng Kan <fkan@amcc.com> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* | | | | | | | | | | | powerpc/powermac: Hotplug /sys entries are missingGiuliano Pochini2009-02-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | On Wed, 18 Feb 2009 22:18:21 +0100 Giuliano Pochini <pochini@shiny.it> wrote: Since 2.6.28, /sys/devices/system/cpu/cpu*/online don't exist anymore on 32-bit PowerMacs due to change in the generic powerpc code. Signed-off-by: Giuliano Pochini <pochini@shiny.it> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* | | | | | | | | | | | powerpc/cell: Add rtas rtc calls for the QPACE platformBenjamin Krill2009-02-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The new firmware release exports further RTC calls. This patch adds these calls to the QPACE platform setup file. Signed-off-by: Benjamin Krill <ben@codiert.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* | | | | | | | | | | | powerpc/pseries: Implement a quota system for MSIsMichael Ellerman2009-02-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There are hardware limitations on the number of available MSIs, which firmware expresses using a property named "ibm,pe-total-#msi". This property tells us how many MSIs are available for devices below the point in the PCI tree where we find the property. For old firmwares which don't have the property, we assume there are 8 MSIs available per "partitionable endpoint" (PE). The PE can be found using existing EEH code, which uses the methods described in PAPR. For our purposes we want the parent of the node that's identified using this method. When a driver requests n MSIs for a device, we first establish where the "ibm,pe-total-#msi" property above that device is, or we find the PE if the property is not found. In both cases we call this node the "pe_dn". We then count all non-bridge devices below the pe_dn, to establish how many devices in total may need MSIs. The quota is then simply the total available divided by the number of devices, if the request is less than or equal to the quota, the request is fine and we're done. If the request is greater than the quota, we try to determine if there are any "spare" MSIs which we can give to this device. Spare MSIs are found by looking for other devices which can never use their full quota, because their "req#msi(-x)" property is less than the quota. If we find any spare, we divide the spares by the number of devices that could request more than their quota. This ensures the spare MSIs are spread evenly amongst all over-quota requestors. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* | | | | | | | | | | | powerpc/pseries: Return req#msi(-x) if request is largerMichael Ellerman2009-02-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If a driver asks for more MSIs than the devices "req#msi(-x)" property, we currently return -ENOSPC. This doesn't give the driver any chance to make a new request with a number that might work. So if "req#msi(-x)" is less than the request, return its value. To be 100% safe, make sure we return an error if req_msi == 0. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* | | | | | | | | | | | powerpc/cell: Fix dependency in cpufreqArnd Bergmann2009-02-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | cbe_cpufreq has a partial dependency on cbe_cpufreq_pmi, which cannot be easily expressed in Kconfig. This fixes it by introducing an extra Kconfig symbol CBE_CPUFREQ_PMI_ENABLE. To make the dependency clearer, turn PPC_PMI into an automatic symbol. Reported-by: Michael Neuling <mikey@neuling.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Michael Neuling <mikey@neuling.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* | | | | | | | | | | | powerpc/spufs: Constify context contents and coredump callback constantsJeremy Kerr2009-02-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The spufs context directory contents definitions are not changed after initialisation, so we can declare them as const. We can do the same with the spu coredump reader callbacks too. Signed-off-by: Jeremy Kerr <jk@ozlabs.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* | | | | | | | | | | | powerpc/spufs: Clear purge status before setting up isolated modeJeremy Kerr2009-02-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently, we may setup the MFC for isolated mode initilaisation with the purge still active. This means that DMAs required to perform the init do not happen. This change clears the purge status after doing the purge, so that the isolated init can proceed. Signed-off-by: Jeremy Kerr <jk@ozlabs.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* | | | | | | | | | | | powerpc/spufs: Use correct return value for spu_handle_mm_faultJeremy Kerr2009-02-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently, spu_handle_mm_fault disregards the 'ret' variable and always returns -EFAULT on error. This change refactos spu_handle_mm_fault a little, to return the ret variable as appropriate. This allows us to combine the error and sucess paths. Also, remove the #if-0-ed IS_VALID_EA() check, it has never been used. Signed-off-by: Jeremy Kerr <jk@ozlabs.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
generated by cgit v1.2.2 (git 2.25.0) at 2025-04-11 08:50:59 -0400