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2015-01-20arm64: Add dtb files to archclean ruleJungseok Lee
As dts files have been reorganised under vendor subdirs, dtb files cannot be removed with "make distclean" now. Thus, this patch moves dtb files under archclean rule and removes unnecessary entries. Cc: Robert Richter <rrichter@cavium.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will.deacon@arm.com> Signed-off-by: Jungseok Lee <jungseoklee85@gmail.com> Signed-off-by: Will Deacon <will.deacon@arm.com>
2014-12-09Merge tag 'arm64-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM64 SoC changes from Arnd Bergmann: "This adds support for two new ARM64 platforms: - ARM Juno - AMD Seattle We had submissions for a number of additional platforms from Samsung, Freescale and Spreadtrum but are still working out the best process for getting these merged" * tag 'arm64-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: arm64: amd-seattle: Fix PCI bus range due to SMMU limitation arm64: ARM: Fix the Generic Timers interrupt active level description arm64: amd-seattle: Adding device tree for AMD Seattle platform arm64: Add Juno board device tree. arm64: Create link to include/dt-bindings to enable C preprocessor use.
2014-12-09Merge tag 'cleanup-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC cleanups from Arnd Bergmann: "The remaining cleanups for 3.19 are to a large part result of devicetree conversion nearing completion on two other platforms besides AT91: - Like AT91, Renesas shmobile is in the process to migrate to DT and multiplatform, but using a different approach of doing it one SoC at a time. For 3.19, the r8a7791 platform and associated "Koelsch" board are considered complete and we remove the non-DT non-multiplatform support for this. - The ARM Versatile Express has supported DT and multiplatform for a long time, but we have still kept the legacy board files around, because not all drivers were fully working before. We have finally taken the last step to remove the board files. Other changes in this branch are preparation for the later branches or just unrelated to the more interesting changes: - The dts files for arm64 get moved into per-vendor directories for a clearer structure. - Some dead code removal (zynq, exynos, davinci, imx) - Using pr_*() macros more consistently instead of printk(KERN_*) in some platform code" * tag 'cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (71 commits) ARM: zynq: Remove secondary_startup() declaration from header ARM: vexpress: Enable regulator framework when MMCI is in use ARM: vexpress: Remove non-DT code ARM: imx: Remove unneeded .map_io initialization ARM: dts: imx6qdl-sabresd: Fix the microphone route ARM: imx: refactor mxc_iomux_mode() ARM: imx: simplify clk_pllv3_prepare() ARM: imx6q: drop unnecessary semicolon ARM: imx: clean up machine mxc_arch_reset_init_dt reset init ARM: dts: imx6qdl-rex: Remove unneeded 'fsl,mode' property ARM: dts: imx6qdl-gw5x: Remove unneeded 'fsl,mode' property ARM: dts: imx6qdl-sabresd: Use IMX6QDL_CLK_CKO define ARM: at91: remove useless init_time for DT-only SoCs ARM: davinci: Remove redundant casts ARM: davinci: Use standard logging styles ARM: shmobile: r8a7779: Spelling/grammar s/entity/identity/, s/map/mapping/ ARM: shmobile: sh7372: Spelling/grammar s/entity map/identity mapping/ ARM: shmobile: sh73a0: Spelling/grammar s/entity map/identity mapping/ ARM: EXYNOS: Remove unused static iomapping ARM: at91: fix build breakage due to legacy board removals ...
2014-12-04arm64: amd-seattle: Fix PCI bus range due to SMMU limitationSuravee Suthikulpanit
Since PCIe is using SMMUv1 which only supports 15-bit stream ID, only 7-bit PCI bus id is used to specify stream ID. Therefore, we only limit the PCI bus range to 0x7f. Signed-off-by: Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-11-28arm64: ARM: Fix the Generic Timers interrupt active level descriptionLiviu Dudau
The Cortex-A5x TRM states in paragraph "9.2 Generic Timer functional description" that generic timers provide an active-LOW interrupt output. Fix the device trees to correctly describe this. While doing this update the CPU mask to match the number of described CPUs as well. Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-11-28arm64: amd-seattle: Adding device tree for AMD Seattle platformSuravee Suthikulpanit
Initial revision of device tree for AMD Seattle Development platform. Cc: Marc Zyngier <marc.zyngier@arm.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Will Deacon <will.deacon@arm.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com> Signed-off-by: Thomas Lendacky <Thomas.Lendacky@amd.com> Signed-off-by: Joel Schopp <Joel.Schopp@amd.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-11-20arm64: Add Juno board device tree.Liviu Dudau
This adds support for ARM's Juno development board (rev 0). It enables most of the board peripherals: UART, I2C, USB, MMC and 100Mb ethernet. There is no support at the moment for clock setting and HDLCD driver which depends on it. Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-11-20arm64: Create link to include/dt-bindings to enable C preprocessor use.Liviu Dudau
DT files used in the compilation phase can be preprocessed by the C preprocessor. This requires an include/dt-bindings directory to be present in the arch/arm64/boot/dts directory. Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-11-20Merge branch 'cleanup/dts-subdirs' into next/arm64Arnd Bergmann
Dependency for Juno support, from cleanup branch. Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-11-04dtb: xgene: fix: Backward compatibility with older firmwareIyappan Subramanian
The following kernel crash was reported when using older firmware (<= 1.13.28). [ 0.980000] libphy: APM X-Gene MDIO bus: probed [ 1.130000] Unhandled fault: synchronous external abort (0x96000010) at 0xffffff800009a17c [ 1.140000] Internal error: : 96000010 [#1] SMP [ 1.140000] Modules linked in: [ 1.140000] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.17.0+ #21 [ 1.140000] task: ffffffc3f0110000 ti: ffffffc3f0064000 task.ti: ffffffc3f0064000 [ 1.140000] PC is at ioread32+0x58/0x68 [ 1.140000] LR is at xgene_enet_setup_ring+0x18c/0x1cc [ 1.140000] pc : [<ffffffc0003cec68>] lr : [<ffffffc00053dad8>] pstate: a0000045 [ 1.140000] sp : ffffffc3f0067b20 [ 1.140000] x29: ffffffc3f0067b20 x28: ffffffc000aa8ea0 [ 1.140000] x27: ffffffc000bb2000 x26: ffffffc000a64270 [ 1.140000] x25: ffffffc000b05ad8 x24: ffffffc0ff99ba58 [ 1.140000] x23: 0000000000004000 x22: 0000000000004000 [ 1.140000] x21: 0000000000000200 x20: 0000000000200000 [ 1.140000] x19: ffffffc0ff99ba18 x18: ffffffc0007a6000 [ 1.140000] x17: 0000000000000007 x16: 000000000000000e [ 1.140000] x15: 0000000000000001 x14: 0000000000000000 [ 1.140000] x13: ffffffbeedb71320 x12: 00000000ffffff80 [ 1.140000] x11: 0000000000000002 x10: 0000000000000000 [ 1.140000] x9 : 0000000000000000 x8 : ffffffc3eb2a4000 [ 1.140000] x7 : 0000000000000000 x6 : 0000000000000000 [ 1.140000] x5 : 0000000001080000 x4 : 000000007d654010 [ 1.140000] x3 : ffffffffffffffff x2 : 000000000003ffff [ 1.140000] x1 : ffffff800009a17c x0 : ffffff800009a17c The issue was that the older firmware does not support 10GbE and SGMII based 1GBE interfaces. This patch changes the address length of the reg property of sgmii0 and xgmii nodes and serves as preparatory patch for the fix. Signed-off-by: Iyappan Subramanian <isubramanian@apm.com> Signed-off-by: Keyur Chudgar <kchudgar@apm.com> Reported-by: Dann Frazier <dann.frazier@canonical.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-03Merge tag 'dts-subdirs-for-arm-soc-v3.19' of ↵Olof Johansson
git://git.kernel.org/pub/scm/linux/kernel/git/rric/linux into next/cleanup Pull "dts, kbuild: Implement support for dtb vendor subdirs" from Robert Richter: dts, kbuild: Implement support for dtb vendor subdirs For arm64 we want to put dts files into vendor's subdirectories from the beginning. This patch set implements this. As this is a generic kbuild implementation, vendor subdirs will be also available for arch/arm and other architectures. The subdirectory tree is also reflected in the install path. A new makefile variable dts-dirs is introduced to point to dts subdirs. This variable is used by kbuild for building and installation of dtb files. A dts Makefile looks now as follows: ---- dtb-$(CONFIG_...) += some_file_1.dtb dtb-$(CONFIG_...) += some_file_2.dtb dts-dirs += dir_vendor_a dts-dirs += dir_vendor_b always := $(dtb-y) subdir-y := $(dts-dirs) clean-files := *.dtb ---- This patches also introduces the dtbs_install make target for arm64. Install rules are moved to Makefile.dtbinst using the same style and calling convention like for modinst and fwinst. * tag 'dts-subdirs-for-arm-soc-v3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/rric/linux: dts, arm: Remove $(MACHINE) variable from dtbs make recipes dts, arm64: Move dts files to vendor subdirs dts, kbuild: Implement support for dtb vendor subdirs dts, arm/arm64: Remove dtbs build rules in sub-makes dts, kbuild: Factor out dtbs install rules to Makefile.dtbinst dts, arm64: Add dtbs_install make target Signed-off-by: Olof Johansson <olof@lixom.net>
2014-10-22arm64: vexpress: Add CLCD support to the ARMv8 model platformCatalin Marinas
This patch enables CLCD support for the VE platform emulated by the ARMv8 software model (DT bindings are based on Pawel's vexpress patches) together with defconfig entries for SERIO_AMBAKMI and FB_ARMCLCD. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Pawel Moll <pawel.moll@arm.com>
2014-10-21dts, arm64: Move dts files to vendor subdirsRobert Richter
Moving dts files to vendor subdirs. Acked-by: Rob Herring <robh@kernel.org> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Robert Richter <rrichter@cavium.com>
2014-10-21dts, kbuild: Implement support for dtb vendor subdirsRobert Richter
This patch adds support of vendor sub directories for dtb files. Subdirectories can be specified in $(dts-dirs). Kbuild traverses over all directories while building and installing dtb files. The directory tree is also reflected in the install path. Tested-by: Andrew Bresticker <abrestic@chromium.org> Signed-off-by: Robert Richter <rrichter@cavium.com>
2014-10-21dts, arm/arm64: Remove dtbs build rules in sub-makesRobert Richter
Add dtb files to build targets and let kbuild handle them. Thus, special dtbs rules can be removed. This eases Makefiles and the implementation of the support of vendor dtb subdirectories. Signed-off-by: Robert Richter <rrichter@cavium.com>
2014-10-21dts, kbuild: Factor out dtbs install rules to Makefile.dtbinstRobert Richter
Move dtbs install rules to Makefile.dtbinst. This change is needed to implement support for dts vendor subdirs. The change makes Makefiles easier and smaller as no longer the dtbs_install rule needs to be defined. Another advantage is that install goals are not encoded in targets anymore (%.dtb_dtbinst_). Signed-off-by: Robert Richter <rrichter@cavium.com>
2014-10-21dts, arm64: Add dtbs_install make targetRobert Richter
This adds the dtbs_install make target to arm64. The target has been introduced already to arch/arm with the following commit: f4d4ffc03efc kbuild: dtbs_install: new make target Implementation for arm64 is the same as for arm. With 'dtbs_install' all config enabled dtb files are installed to either the INSTALL_DTBS_PATH directory or the default location: $INSTALL_PATH/dtbs/$KERNELRELEASE Signed-off-by: Robert Richter <rrichter@cavium.com>
2014-10-18Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds
Pull networking fixes from David Miller: 1) Include fixes for netrom and dsa (Fabian Frederick and Florian Fainelli) 2) Fix FIXED_PHY support in stmmac, from Giuseppe CAVALLARO. 3) Several SKB use after free fixes (vxlan, openvswitch, vxlan, ip_tunnel, fou), from Li ROngQing. 4) fec driver PTP support fixes from Luwei Zhou and Nimrod Andy. 5) Use after free in virtio_net, from Michael S Tsirkin. 6) Fix flow mask handling for megaflows in openvswitch, from Pravin B Shelar. 7) ISDN gigaset and capi bug fixes from Tilman Schmidt. 8) Fix route leak in ip_send_unicast_reply(), from Vasily Averin. 9) Fix two eBPF JIT bugs on x86, from Alexei Starovoitov. 10) TCP_SKB_CB() reorganization caused a few regressions, fixed by Cong Wang and Eric Dumazet. 11) Don't overwrite end of SKB when parsing malformed sctp ASCONF chunks, from Daniel Borkmann. 12) Don't call sock_kfree_s() with NULL pointers, this function also has the side effect of adjusting the socket memory usage. From Cong Wang. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (90 commits) bna: fix skb->truesize underestimation net: dsa: add includes for ethtool and phy_fixed definitions openvswitch: Set flow-key members. netrom: use linux/uaccess.h dsa: Fix conversion from host device to mii bus tipc: fix bug in bundled buffer reception ipv6: introduce tcp_v6_iif() sfc: add support for skb->xmit_more r8152: return -EBUSY for runtime suspend ipv4: fix a potential use after free in fou.c ipv4: fix a potential use after free in ip_tunnel_core.c hyperv: Add handling of IP header with option field in netvsc_set_hash() openvswitch: Create right mask with disabled megaflows vxlan: fix a free after use openvswitch: fix a use after free ipv4: dst_entry leak in ip_send_unicast_reply() ipv4: clean up cookie_v4_check() ipv4: share tcp_v4_save_options() with cookie_v4_check() ipv4: call __ip_options_echo() in cookie_v4_check() atm: simplify lanai.c by using module_pci_driver ...
2014-10-14dtb: Add SGMII based 1GbE node to APM X-Gene SoC device treeIyappan Subramanian
Signed-off-by: Iyappan Subramanian <isubramanian@apm.com> Signed-off-by: Keyur Chudgar <kchudgar@apm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-10-11Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds
Pull networking fixes from David Miller: "This set fixes a bunch of fallout from the changes that went in during this merge window, particularly: - Fix fsl_pq_mdio (Claudiu Manoil) and fm10k (Pranith Kumar) build failures. - Several networking drivers do atomic_set() on page counts where that's not exactly legal. From Eric Dumazet. - Make __skb_flow_get_ports() work cleanly with unaligned data, from Alexander Duyck. - Fix some kernel-doc buglets in rfkill and netlabel, from Fabian Frederick. - Unbalanced enable_irq_wake usage in bcmgenet and systemport drivers, from Florian Fainelli. - pxa168_eth needs to depend on HAS_DMA, from Geert Uytterhoeven. - Multi-dequeue in the qdisc layer severely bypasses the fairness limits the previous code used to enforce, reintroduce in a way that at the same time doesn't compromise bulk dequeue opportunities. From Jesper Dangaard Brouer. - macvlan receive path unnecessarily hops through a softirq by using netif_rx() instead of netif_receive_skb(). From Jason Baron" * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (51 commits) net: systemport: avoid unbalanced enable_irq_wake calls net: bcmgenet: avoid unbalanced enable_irq_wake calls net: bcmgenet: fix off-by-one in incrementing read pointer net: fix races in page->_count manipulation mlx4: fix race accessing page->_count ixgbe: fix race accessing page->_count igb: fix race accessing page->_count fm10k: fix race accessing page->_count net/phy: micrel: Add clock support for KSZ8021/KSZ8031 flow-dissector: Fix alignment issue in __skb_flow_get_ports net: filter: fix the comments Documentation: replace __sk_run_filter with __bpf_prog_run macvlan: optimize the receive path macvlan: pass 'bool' type to macvlan_count_rx() drivers: net: xgene: Add 10GbE ethtool support drivers: net: xgene: Add 10GbE support drivers: net: xgene: Preparing for adding 10GbE support dtb: Add 10GbE node to APM X-Gene SoC device tree Documentation: dts: Update section header for APM X-Gene MAINTAINERS: Update APM X-Gene section ...
2014-10-10dtb: Add 10GbE node to APM X-Gene SoC device treeIyappan Subramanian
Added 10GbE interface and clock nodes. Signed-off-by: Iyappan Subramanian <isubramanian@apm.com> Signed-off-by: Keyur Chudgar <kchudgar@apm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-10-09Merge tag 'pci-v3.18-changes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci Pull PCI updates from Bjorn Helgaas: "The interesting things here are: - Turn on Config Request Retry Status Software Visibility. This caused hangs last time, but we included a fix this time. - Rework PCI device configuration to use _HPP/_HPX more aggressively - Allow PCI devices to be put into D3cold during system suspend - Add arm64 PCI support - Add APM X-Gene host bridge driver - Add TI Keystone host bridge driver - Add Xilinx AXI host bridge driver More detailed summary: Enumeration - Check Vendor ID only for Config Request Retry Status (Rajat Jain) - Enable Config Request Retry Status when supported (Rajat Jain) - Add generic domain handling (Catalin Marinas) - Generate uppercase hex for modalias interface class (Ricardo Ribalda Delgado) Resource management - Add missing MEM_64 mask in pci_assign_unassigned_bridge_resources() (Yinghai Lu) - Increase IBM ipr SAS Crocodile BARs to at least system page size (Douglas Lehr) PCI device hotplug - Prevent NULL dereference during pciehp probe (Andreas Noever) - Move _HPP & _HPX handling into core (Bjorn Helgaas) - Apply _HPP to PCIe devices as well as PCI (Bjorn Helgaas) - Apply _HPP/_HPX to display devices (Bjorn Helgaas) - Preserve SERR & PARITY settings when applying _HPP/_HPX (Bjorn Helgaas) - Preserve MPS and MRRS settings when applying _HPP/_HPX (Bjorn Helgaas) - Apply _HPP/_HPX to all devices, not just hot-added ones (Bjorn Helgaas) - Fix wait time in pciehp timeout message (Yinghai Lu) - Add more pciehp Slot Control debug output (Yinghai Lu) - Stop disabling pciehp notifications during init (Yinghai Lu) MSI - Remove arch_msi_check_device() (Alexander Gordeev) - Rename pci_msi_check_device() to pci_msi_supported() (Alexander Gordeev) - Move D0 check into pci_msi_check_device() (Alexander Gordeev) - Remove unused kobject from struct msi_desc (Yijing Wang) - Remove "pos" from the struct msi_desc msi_attrib (Yijing Wang) - Add "msi_bus" sysfs MSI/MSI-X control for endpoints (Yijing Wang) - Use __get_cached_msi_msg() instead of get_cached_msi_msg() (Yijing Wang) - Use __read_msi_msg() instead of read_msi_msg() (Yijing Wang) - Use __write_msi_msg() instead of write_msi_msg() (Yijing Wang) Power management - Drop unused runtime PM support code for PCIe ports (Rafael J. Wysocki) - Allow PCI devices to be put into D3cold during system suspend (Rafael J. Wysocki) AER - Add additional AER error strings (Gong Chen) - Make <linux/aer.h> standalone includable (Thierry Reding) Virtualization - Add ACS quirk for Solarflare SFC9120 & SFC9140 (Alex Williamson) - Add ACS quirk for Intel 10G NICs (Alex Williamson) - Add ACS quirk for AMD A88X southbridge (Marti Raudsepp) - Remove unused pci_find_upstream_pcie_bridge(), pci_get_dma_source() (Alex Williamson) - Add device flag helpers (Ethan Zhao) - Assume all Mellanox devices have broken INTx masking (Gavin Shan) Generic host bridge driver - Fix ioport_map() for !CONFIG_GENERIC_IOMAP (Liviu Dudau) - Add pci_register_io_range() and pci_pio_to_address() (Liviu Dudau) - Define PCI_IOBASE as the base of virtual PCI IO space (Liviu Dudau) - Fix the conversion of IO ranges into IO resources (Liviu Dudau) - Add pci_get_new_domain_nr() and of_get_pci_domain_nr() (Liviu Dudau) - Add support for parsing PCI host bridge resources from DT (Liviu Dudau) - Add pci_remap_iospace() to map bus I/O resources (Liviu Dudau) - Add arm64 architectural support for PCI (Liviu Dudau) APM X-Gene - Add APM X-Gene PCIe driver (Tanmay Inamdar) - Add arm64 DT APM X-Gene PCIe device tree nodes (Tanmay Inamdar) Freescale i.MX6 - Probe in module_init(), not fs_initcall() (Lucas Stach) - Delay enabling reference clock for SS until it stabilizes (Tim Harvey) Marvell MVEBU - Fix uninitialized variable in mvebu_get_tgt_attr() (Thomas Petazzoni) NVIDIA Tegra - Make sure the PCIe PLL is really reset (Eric Yuen) - Add error path tegra_msi_teardown_irq() cleanup (Jisheng Zhang) - Fix extended configuration space mapping (Peter Daifuku) - Implement resource hierarchy (Thierry Reding) - Clear CLKREQ# enable on port disable (Thierry Reding) - Add Tegra124 support (Thierry Reding) ST Microelectronics SPEAr13xx - Pass config resource through reg property (Pratyush Anand) Synopsys DesignWare - Use NULL instead of false (Fabio Estevam) - Parse bus-range property from devicetree (Lucas Stach) - Use pci_create_root_bus() instead of pci_scan_root_bus() (Lucas Stach) - Remove pci_assign_unassigned_resources() (Lucas Stach) - Check private_data validity in single place (Lucas Stach) - Setup and clear exactly one MSI at a time (Lucas Stach) - Remove open-coded bitmap operations (Lucas Stach) - Fix configuration base address when using 'reg' (Minghuan Lian) - Fix IO resource end address calculation (Minghuan Lian) - Rename get_msi_data() to get_msi_addr() (Minghuan Lian) - Add get_msi_data() to pcie_host_ops (Minghuan Lian) - Add support for v3.65 hardware (Murali Karicheri) - Fold struct pcie_port_info into struct pcie_port (Pratyush Anand) TI Keystone - Add TI Keystone PCIe driver (Murali Karicheri) - Limit MRSS for all downstream devices (Murali Karicheri) - Assume controller is already in RC mode (Murali Karicheri) - Set device ID based on SoC to support multiple ports (Murali Karicheri) Xilinx AXI - Add Xilinx AXI PCIe driver (Srikanth Thokala) - Fix xilinx_pcie_assign_msi() return value test (Dan Carpenter) Miscellaneous - Clean up whitespace (Quentin Lambert) - Remove assignments from "if" conditions (Quentin Lambert) - Move PCI_VENDOR_ID_VMWARE to pci_ids.h (Francesco Ruggeri) - x86: Mark DMI tables as initialization data (Mathias Krause) - x86: Move __init annotation to the correct place (Mathias Krause) - x86: Mark constants of pci_mmcfg_nvidia_mcp55() as __initconst (Mathias Krause) - x86: Constify pci_mmcfg_probes[] array (Mathias Krause) - x86: Mark PCI BIOS initialization code as such (Mathias Krause) - Parenthesize PCI_DEVID and PCI_VPD_LRDT_ID parameters (Megan Kamiya) - Remove unnecessary variable in pci_add_dynid() (Tobias Klauser)" * tag 'pci-v3.18-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (109 commits) arm64: dts: Add APM X-Gene PCIe device tree nodes PCI: Add ACS quirk for AMD A88X southbridge devices PCI: xgene: Add APM X-Gene PCIe driver PCI: designware: Remove open-coded bitmap operations PCI/MSI: Remove unnecessary temporary variable PCI/MSI: Use __write_msi_msg() instead of write_msi_msg() MSI/powerpc: Use __read_msi_msg() instead of read_msi_msg() PCI/MSI: Use __get_cached_msi_msg() instead of get_cached_msi_msg() PCI/MSI: Add "msi_bus" sysfs MSI/MSI-X control for endpoints PCI/MSI: Remove "pos" from the struct msi_desc msi_attrib PCI/MSI: Remove unused kobject from struct msi_desc PCI/MSI: Rename pci_msi_check_device() to pci_msi_supported() PCI/MSI: Move D0 check into pci_msi_check_device() PCI/MSI: Remove arch_msi_check_device() irqchip: armada-370-xp: Remove arch_msi_check_device() PCI/MSI/PPC: Remove arch_msi_check_device() arm64: Add architectural support for PCI PCI: Add pci_remap_iospace() to map bus I/O resources of/pci: Add support for parsing PCI host bridge resources from DT of/pci: Add pci_get_new_domain_nr() and of_get_pci_domain_nr() ... Conflicts: arch/arm64/boot/dts/apm-storm.dtsi
2014-10-08Merge tag 'arm64-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM64 SoC changes from Arnd Bergmann: "Starting with 3.18, we are merging SoC-specific changes for arm64 through the arm-soc tree, like we have been doing for arm32. This time, there is only one set of changes, adding support for the Cavium "Thunder" Soc family. Since the changes are relatively small, this includes Kconfig, defconfig and DT changes. If all goes well, we will never require adding actual C source code for platform support in arm64, given that the architecture is more clearly defined and we have moved out a lot of the platform specifics into device drivers for arm32 already" * tag 'arm64-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: arm64, defconfig: Enable Cavium Thunder SoC in defconfig arm64, thunder: Add Kconfig option for Cavium Thunder SoC Family arm64, thunder: Document devicetree bindings for Cavium Thunder SoC arm64, thunder: Add initial dts for Cavium Thunder SoC
2014-10-06arm64: dts: Add APM X-Gene PCIe device tree nodesTanmay Inamdar
Add the device tree nodes for APM X-Gene PCIe host controller and PCIe clock interface. Since X-Gene SOC supports maximum 5 ports, 5 dts nodes are added. Signed-off-by: Tanmay Inamdar <tinamdar@apm.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Arnd Bergmann <arnd@arndb.de>
2014-10-02arm64, thunder: Add Kconfig option for Cavium Thunder SoC FamilyRadha Mohan Chintakuntla
This introduces ARCH_THUNDER to enable soc specific drivers and dtb files. Signed-off-by: Radha Mohan Chintakuntla <rchintakuntla@cavium.com> Signed-off-by: Robert Richter <rrichter@cavium.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-10-02arm64, thunder: Add initial dts for Cavium Thunder SoCRadha Mohan Chintakuntla
Add initial device tree nodes for Cavium Thunder SoCs with support of 48 cores and gicv3. The dtsi file requires further changes, esp. for pci, gicv3-its and smmu. This changes will be added later together with the device drivers. Signed-off-by: Radha Mohan Chintakuntla <rchintakuntla@cavium.com> Signed-off-by: Robert Richter <rrichter@cavium.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-08-29arm64: dts: add random number generator dts node to APM X-Gene platform.Feng Kan
This adds random number generator dts node to APM X-Gene platform. Signed-off-by: Feng Kan <fkan@apm.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2014-08-11dts: Add bindings for APM X-Gene SoC ethernet driverIyappan Subramanian
This patch adds bindings for APM X-Gene SoC ethernet driver. Signed-off-by: Iyappan Subramanian <isubramanian@apm.com> Signed-off-by: Ravi Patel <rapatel@apm.com> Signed-off-by: Keyur Chudgar <kchudgar@apm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-06-18arm64: dts: Add more serial port nodes in APM X-Gene device treeVinayak Kale
APM X-Gene Storm SoC supports 4 serial ports. This patch adds device nodes for serial ports 1 to 3 (a device node for serial port 0 is already present in the dts file). This patch also sets the compatible property of serial nodes to "ns16550a". Signed-off-by: Vinayak Kale <vkale@apm.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2014-06-06arm64: add APM X-Gene SoC RTC DTS entryLoc Ho
This patch adds APM X-Gene SoC RTC DTS entry Signed-off-by: Rameshwar Prasad Sahu <rsahu@apm.com> Signed-off-by: Loc Ho <lho@apm.com> Cc: Jon Masters <jcm@redhat.com> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will.deacon@arm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-05-15mfd: vexpress: Convert custom func API to regmapPawel Moll
Components of the Versatile Express platform (configuration microcontrollers on motherboard and daughterboards in particular) talk to each other over a custom configuration bus. They provide miscellaneous functions (from clock generator control to energy sensors) which are represented as platform devices (and Device Tree nodes). The transactions on the bus can be generated by different "bridges" in the system, some of which are universal for the whole platform (for the price of high transfer latencies), others restricted to a subsystem (but much faster). Until now drivers for such functions were using custom "func" API, which is being replaced in this patch by regmap calls. This required: * a rework (and move to drivers/bus directory, as suggested by Samuel and Arnd) of the config bus core, which is much simpler now and uses device model infrastructure (class) to keep track of the bridges; non-DT case (soon to be retired anyway) is simply covered by a special device registration function * the new config-bus driver also takes over device population, so there is no need for special matching table for of_platform_populate nor "simple-bus" hack in the arm64 model dtsi file (relevant bindings documentation has been updated); this allows all the vexpress devices fit into normal device model, making it possible to remove plenty of early inits and other hacks in the near future * adaptation of the syscfg bridge implementation in the sysreg driver, again making it much simpler; there is a special case of the "energy" function spanning two registers, where they should be both defined in the tree now, but backward compatibility is maintained in the code * modification of the relevant drivers: * hwmon - just a straight-forward API change * power/reset driver - API change * regulator - API change plus error handling simplification * osc clock driver - this one required larger rework in order to turn in into a standard platform driver Signed-off-by: Pawel Moll <pawel.moll@arm.com> Acked-by: Mark Brown <broonie@linaro.org> Acked-by: Lee Jones <lee.jones@linaro.org> Acked-by: Guenter Roeck <linux@roeck-us.net> Acked-by: Mike Turquette <mturquette@linaro.org>
2014-05-03arm64: Mark the Applied Micro X-Gene SATA controller as DMA coherentCatalin Marinas
Since the default DMA ops for arm64 are non-coherent, mark the X-Gene controller explicitly as dma-coherent to avoid additional cache maintenance. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Cc: Loc Ho <lho@apm.com>
2014-03-17arm64: Add APM X-Gene SoC AHCI SATA host controller DTS entriesLoc Ho
This patch adds APM X-Gene SoC AHCI SATA host controller DTS entries. Signed-off-by: Loc Ho <lho@apm.com> Signed-off-by: Tuan Phan <tphan@apm.com> Signed-off-by: Suman Tripathi <stripathi@apm.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Tejun Heo <tj@kernel.org>
2014-03-17arm64: Add APM X-Gene SoC 15Gbps Multi-purpose PHY DTS entriesLoc Ho
This patch adds the DTS entries for the APM X-Gene SoC 15Gbps Multi-purpose PHY driver. The PHY for SATA controller 2 and 3 are enabled by default. Signed-off-by: Loc Ho <lho@apm.com> Signed-off-by: Tuan Phan <tphan@apm.com> Signed-off-by: Suman Tripathi <stripathi@apm.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Tejun Heo <tj@kernel.org>
2013-12-20arm64: dts: Reduce size of virtio block device for foundation modelMark Brown
Will Deacon observed that kvmtool uses a size of 0x200 for virtio block memory region and that the virtio block spec only uses 31 bytes in the device specific region at 0x100 so reduce the region to a less wasteful 0x200. Signed-off-by: Mark Brown <broonie@linaro.org> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2013-12-19arm64: dts: Add a virtio disk to the RTSM motherboardMark Hambleton
Describe the virtio device so we can mount disk images in the simulator. [Reduced the size of the region based on feedback from review -- broonie] Signed-off-by: Mark Hambleton <mahamble@broadcom.com> Signed-off-by: Mark Brown <broonie@linaro.org> Acked-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2013-11-25arm64: dts: Reserve the memory used for secondary CPU release addressCatalin Marinas
With the spin-table SMP booting method, secondary CPUs poll a location passed in the DT. The foundation-v8.dts file doesn't have this memory reserved and there is a risk of Linux using it before secondary CPUs are started. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2013-10-07clk: arm64: Add DTS clock entry for APM X-Gene Storm SoCLoc Ho
clk: arm64: Add DTS clock entry for APM X-Gene Storm SoC with reference to reference, PCP PLL, SoC PLL, and Ethernet clocks. Signed-off-by: Loc Ho <lho@apm.com> Signed-off-by: Kumar Sankaran <ksankaran@apm.com> Signed-off-by: Vinayak Kale <vkale@apm.com> Signed-off-by: Feng Kan <fkan@apm.com> Signed-off-by: Mike Turquette <mturquette@linaro.org>
2013-06-20arm64: Add initial DTS for APM X-Gene Storm SOC and APM Mustang boardVinayak Kale
This patch adds initial DTS files required for APM Mustang board. Signed-off-by: Kumar Sankaran <ksankaran@apm.com> Signed-off-by: Loc Ho <lho@apm.com> Signed-off-by: Feng Kan <fkan@apm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2013-05-08arm64: dts: fix #address-cells for foundation-v8Mark Rutland
Commit 90556ca1 ("arm64: vexpress: Add dts files for the ARMv8 RTSM models") added foundation-v8.dts, but erroneously set /cpus/#address-cells = <1> while providing two cells in each cpus/cpu@N node's reg property. As of commit ea393a2e ("arm64: smp: honour #address-size when parsing CPU reg property") we read in as many address cells as specified rather than always reading two. This means that for foundation-v8.dts, we only read the first reg cell (zero) for each cpu node, and receive a lot of warnings at boot of the form "/cpus/cpu@1: duplicate cpu reg properties in the DT". This patch corrects foundation-v8.dts to have the correct value for /cpus/#address-cells. Signed-off-by: Mark Rutland <mark.rutland@arm.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Pawel Moll <pawel.moll@arm.com> Cc: Will Deacon <will.deacon@arm.com> Tested-by: Marc Zyngier <marc.zyngier@arm.com> Acked-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2013-04-26arm64: vexpress: Add dts files for the ARMv8 RTSM modelsPawel Moll
This patch adds the DTS files for the ARMv8 RTSM and Foundation models. Signed-off-by: Pawel Moll <Pawel.Moll@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Arnd Bergmann <arnd@arndb.de>
2013-01-14arm64: dts: prevent *.dtb from always being rebuiltStephen Warren
if_changed (used by the *.dts->*.dtc rule) rebuilds files if they aren't contained in $(targets). (make V=2 indicates this). Add $(dtb-y) to $(targets) to prevent *.dtb from always being rebuilt. Note This fixes a regression introduced by the .dtb rule rework in da4cbc6 "arm64: use new common dtc rule", although since arm64 doesn't actually have any *.dts yet, this isn't a critical issue. Signed-off-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Rob Herring <rob.herring@calxeda.com>
2012-12-03arm64: Add dtbs target for building all the enabled dtb filesRob Herring
Based on Rob Herring's patches for arch/arm, this patch adds a dtbs target to arch/arm64/boot/Makefile. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Rob Herring <rob.herring@calxeda.com>
2012-12-03arm64: use new common dtc ruleStephen Warren
The current rules have the .dtb files build in a different directory from the .dts files. This patch changes arm64 to use the generic dtb rule which builds .dtb files in the same directory as the source .dts. This requires moving parts of arch/arm64/boot/Makefile into newly created arch/arm64/boot/dts/Makefile, and updating arch/arm64/Makefile to call the new Makefile. Acked-by: Catalin Marinas <catalin.marinas@arm.com> Cc: linux-arm-kernel@lists.infradead.org Signed-off-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Rob Herring <rob.herring@calxeda.com>
2012-09-17arm64: Build infrastructureCatalin Marinas
This patch adds Makefile and Kconfig files required for building an AArch64 kernel. Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Tony Lindgren <tony@atomide.com> Acked-by: Nicolas Pitre <nico@linaro.org> Acked-by: Olof Johansson <olof@lixom.net> Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Acked-by: Arnd Bergmann <arnd@arndb.de>