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2016-05-30arc: Get rid of root core-frequency propertyAlexey Brodkin15-17/+0
Now when we switched to usage of real clk devices for CPU core frequency those root properties make no sense any longer. Se we're just getting rid of them here to not confuse readers of our .dts files. Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com> Cc: Christian Ruppert <christian.ruppert@alitech.com> Cc: Noam Camus <noamca@mellanox.com> Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2016-05-23Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linuxLinus Torvalds4-2/+109
Pull drm updates from Dave Airlie: "Here's the main drm pull request for 4.7, it's been a busy one, and I've been a bit more distracted in real life this merge window. Lots more ARM drivers, not sure if it'll ever end. I think I've at least one more coming the next merge window. But changes are all over the place, support for AMD Polaris GPUs is in here, some missing GM108 support for nouveau (found in some Lenovos), a bunch of MST and skylake fixes. I've also noticed a few fixes from Arnd in my inbox, that I'll try and get in asap, but I didn't think they should hold this up. New drivers: - Hisilicon kirin display driver - Mediatek MT8173 display driver - ARC PGU - bitstreamer on Synopsys ARC SDP boards - Allwinner A13 initial RGB output driver - Analogix driver for DisplayPort IP found in exynos and rockchip DRM Core: - UAPI headers fixes and C++ safety - DRM connector reference counting - DisplayID mode parsing for Dell 5K monitors - Removal of struct_mutex from drivers - Connector registration cleanups - MST robustness fixes - MAINTAINERS updates - Lockless GEM object freeing - Generic fbdev deferred IO support panel: - Support for a bunch of new panels i915: - VBT refactoring - PLL computation cleanups - DSI support for BXT - Color manager support - More atomic patches - GEM improvements - GuC fw loading fixes - DP detection fixes - SKL GPU hang fixes - Lots of BXT fixes radeon/amdgpu: - Initial Polaris support - GPUVM/Scheduler/Clock/Power improvements - ASYNC pageflip support - New mesa feature support nouveau: - GM108 support - Power sensor support improvements - GR init + ucode fixes. - Use GPU provided topology information vmwgfx: - Add host messaging support gma500: - Some cleanups and fixes atmel: - Bridge support - Async atomic commit support fsl-dcu: - Timing controller for LCD support - Pixel clock polarity support rcar-du: - Misc fixes exynos: - Pipeline clock support - Exynoss4533 SoC support - HW trigger mode support - export HDMI_PHY clock - DECON5433 fixes - Use generic prime functions - use DMA mapping APIs rockchip: - Lots of little fixes vc4: - Render node support - Gamma ramp support - DPI output support msm: - Mostly cleanups and fixes - Conversion to generic struct fence etnaviv: - Fix for prime buffer handling - Allow hangcheck to be coalesced with other wakeups tegra: - Gamme table size fix" * 'drm-next' of git://people.freedesktop.org/~airlied/linux: (1050 commits) drm/edid: add displayid detailed 1 timings to the modelist. (v1.1) drm/edid: move displayid validation to it's own function. drm/displayid: Iterate over all DisplayID blocks drm/edid: move displayid tiled block parsing into separate function. drm: Nuke ->vblank_disable_allowed drm/vmwgfx: Report vmwgfx version to vmware.log drm/vmwgfx: Add VMWare host messaging capability drm/vmwgfx: Kill some lockdep warnings drm/nouveau/gr/gf100-: fix race condition in fecs/gpccs ucode drm/nouveau/core: recognise GM108 chipsets drm/nouveau/gr/gm107-: fix touching non-existent ppcs in attrib cb setup drm/nouveau/gr/gk104-: share implementation of ppc exception init drm/nouveau/gr/gk104-: move rop_active_fbps init to nonctx drm/nouveau/bios/pll: check BIT table version before trying to parse it drm/nouveau/bios/pll: prevent oops when limits table can't be parsed drm/nouveau/volt/gk104: round up in gk104_volt_set drm/nouveau/fb/gm200: setup mmu debug buffer registers at init() drm/nouveau/fb/gk20a,gm20b: setup mmu debug buffer registers at init() drm/nouveau/fb/gf100-: allocate mmu debug buffers drm/nouveau/fb: allow chipset-specific actions for oneinit() ...
2016-05-19Merge tag 'dmaengine-4.7-rc1' of git://git.infradead.org/users/vkoul/slave-dmaLinus Torvalds1-1/+1
Pull dmaengine updates from Vinod Koul: "This time round the update brings in following changes: - new tegra driver for ADMA device - support for Xilinx AXI Direct Memory Access Engine and Xilinx AXI Central Direct Memory Access Engine and few updates to this driver - new cyclic capability to sun6i and few updates - slave-sg support in bcm2835 - updates to many drivers like designware, hsu, mv_xor, pxa, edma, qcom_hidma & bam" * tag 'dmaengine-4.7-rc1' of git://git.infradead.org/users/vkoul/slave-dma: (84 commits) dmaengine: ioatdma: disable relaxed ordering for ioatdma dmaengine: of_dma: approximate an average distribution dmaengine: core: Use IS_ENABLED() instead of checking for built-in or module dmaengine: edma: Re-evaluate errors when ccerr is triggered w/o error event dmaengine: qcom_hidma: add support for object hierarchy dmaengine: qcom_hidma: add debugfs hooks dmaengine: qcom_hidma: implement lower level hardware interface dmaengine: vdma: Add clock support Documentation: DT: vdma: Add clock support for dmas dmaengine: vdma: Add config structure to differentiate dmas MAINTAINERS: Update Tegra DMA maintainers dmaengine: tegra-adma: Add support for Tegra210 ADMA Documentation: DT: Add binding documentation for NVIDIA ADMA dmaengine: vdma: Add Support for Xilinx AXI Central Direct Memory Access Engine Documentation: DT: vdma: update binding doc for AXI CDMA dmaengine: vdma: Add Support for Xilinx AXI Direct Memory Access Engine Documentation: DT: vdma: update binding doc for AXI DMA dmaengine: vdma: Rename xilinx_vdma_ prefix to xilinx_dma dmaengine: slave means at least one of DMA_SLAVE, DMA_CYCLIC dmaengine: mv_xor: Allow selecting mv_xor for mvebu only compatible SoC ...
2016-05-18arc: axs103_smp: Fix CPU frequency to 100MHz for dual-coreAlexey Brodkin1-1/+1
The most recent release of AXS103 [v1.1] is proven to work at 100 MHz in dual-core mode so this change uses mentioned feature. For that we: * Update axc003_idu.dtsi with mention of really-used CPU clock freq * Remove clock override in AXS platform code for dual-core HW Note we're still leaving a hack for clock "downgrade" on early boot for quad-core hardware. Also note this change will break functionality of AXS103 v1.0 hardware. That means all users of AXS103 __must__ upgrade their boards with the most recent firmware. Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com> Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2016-05-16Merge branch 'topic-arcpgu-updates' of ↵Dave Airlie4-3/+49
https://github.com/foss-for-synopsys-dwc-arc-processors/linux into drm-next Please pull this mini-series that allows ARC PGU to use dedicated memory location as framebuffer backing storage. * 'topic-arcpgu-updates' of https://github.com/foss-for-synopsys-dwc-arc-processors/linux: ARC: [axs10x] Specify reserved memory for frame buffer drm/arcpgu: use dedicated memory area for frame buffer
2016-05-13arc: axs10x: Add DT bindings for I2S PLL ClockJose Abreu1-0/+13
Add device tree bindings for AXS10X I2S PLL Clock driver. Acked-by: Alexey Brodkin <abrodkin@synopsys.com> Acked-by: Vineet Gupta <vgupta@synopsys.com> Signed-off-by: Jose Abreu <joabreu@synopsys.com>
2016-05-09ARC: [plat-eznps] Add eznps board defconfig and dtsNoam Camus1-0/+96
Adding default configuration file and DTS file Signed-off-by: Noam Camus <noamc@ezchip.com>
2016-05-09ARC: [dts] Introduce Timer bindingsVineet Gupta4-0/+62
ARC Timers have historically been probed directly. As precursor to start probing Timers thru DT introduce these bindings Note that to keep series bisectable, these bindings are not yet used in code. Cc: Daniel Lezcano <daniel.lezcano@linaro.org> Cc: devicetree@vger.kernel.org Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2016-05-09ARC: [dts] Add clk feeding into timers to DTsVineet Gupta11-0/+66
This allows us to introduce timers in DT in next commit The core clk frequency hack in AXS103 platform is also extended, where the core clk feeding into timers is updated in-place in FDT. Cc: Daniel Lezcano <daniel.lezcano@linaro.org> Cc: Rob Herring <robh@kernel.org> Cc: devicetree@vger.kernel.org Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2016-05-09ARC: [dts] Rename cpu_intc -> core_intcVineet Gupta7-19/+19
This is again for future changes to use common DTSI for timers which refer to @core_intc Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2016-05-09ARCv2: [dts]: Introduce HS38 specific include DTS ...Vineet Gupta11-4/+78
... and add them to plat-sim DTS. This allows for future change to introduce timers in DT in single place Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2016-05-09Merge tag 'v4.6-rc7' into drm-nextDave Airlie1-8/+0
Merge this back as we've built up a fair few conflicts, and I have some newer trees to pull in.
2016-05-02dmaengine: dw: revisit data_width propertyAndy Shevchenko1-1/+1
There several changes are done here: - Convert the property to be in bytes Besides that this is a common practice for such property, the use of a value in bytes much more convenient than handling the encoded one. - Rename data_width to data-width in the device tree bindings The change leaves the support for the old format as well just in case someone will use a newer kernel with an old device tree blob. - While here, replace dwc_fast_ffs() by __ffs() Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2016-04-29ARC: [axs10x] Specify reserved memory for frame bufferAlexey Brodkin4-3/+49
Allocation of a frame buffer memory in a special memory region allows bypassing of so-called IO Coherency aperture which is typically set as a range 0x8z-0xAz. I.e. all data traffic to PGU bypasses IO Coherency block and saves its bandwidth for other peripherals. Even though for AXS101 (which sorts ARC770 CPU) IOC is not an option for a sake of keeping one DT description for the base-board (axs10x_mb.dtsi) we're still defining reserved memory location in the very end of DDR. Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com> Acked-by: Vineet Gupta <vgupta@synopsys.com> Cc: devicetree@vger.kernel.org
2016-04-26arc: axs10x - add support of ARC PGUAlexey Brodkin1-0/+61
Synopsys DesignWare ARC SDP boards sport ARC SDP display controller attached to ADV7511 HDMI encoder. That change adds desctiption of both ARC PGU and ADV7511 in ARC SDP'd base-board Device Tree. Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com> Cc: Rob Herring <robh+dt@kernel.org> Cc: Pawel Moll <pawel.moll@arm.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Ian Campbell <ijc+devicetree@hellion.org.uk> Cc: Kumar Gala <galak@codeaurora.org> Cc: Vineet Gupta <vgupta@synopsys.com> Cc: devicetree@vger.kernel.org Cc: linux-snps-arc@lists.infradead.org
2016-04-07Revert "ARC: [plat-axs10x] add Ethernet PHY description in .dts"Vineet Gupta1-8/+0
This reverts commit 667a490bdb6e27db0887d2ca515b907d6aa87118. This is needed to get ethernet(stmmac) working in 4.6-rc2 on axs103. 4.5 needed this fix, but apprently stmmac has gained some fixes which warrant reversal of this. Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2016-03-17ARC: [plat-axs10x] add Ethernet PHY description in .dtsAlexey Brodkin1-0/+8
Commit e34d65696d2e ("stmmac: create of compatible mdio bus for stmmac driver") broke DW GMAC functionality on ARC AXS10x boards: That's what happens on eth0 up: --------------------------->8------------------------ | libphy: PHY stmmac-0:ffffffff not found | eth0: Could not attach to PHY | stmmac_open: Cannot attach to PHY (error: -19) --------------------------->8------------------------ Simplest solution is to add PHY description in board's .dts. And so we do here. Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com> Cc: Rob Herring <robh@kernel.org> Cc: Phil Reid <preid@electromag.com.au> Cc: David S. Miller <davem@davemloft.net> Cc: linux-kernel@vger.kernel.org Cc: netdev@vger.kernel.org Cc: stable@vger.kernel.org # 4.5 Reviewed-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2016-03-15arc: [plat-nsimosci*] use ezchip network driverLada Trimasova3-9/+6
Since ezchip network driver was adapted to little endian architecture this patch provides the corresponding arch/arc/{boot/dts,configs}/ updates so we can switch over to this device-model/driver for OSCI platform. Cc: Alexey Brodkin <abrodkin@synopsys.com> Signed-off-by: Lada Trimasova <ltrimas@synopsys.com> Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2016-03-12ARC: [plat-nsim] document rangesVineet Gupta1-1/+2
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2015-12-17ARC: [plat-sim] unbork non default CONFIG_LINUX_LINK_BASEVineet Gupta1-1/+2
HIGHMEM support bumped the default memory size for nsim platform to 1G. Thus total memory ended at the very edge of start of peripherals address space. With linux link base shifted, memory started bleeding into peripheral space which caused early boot bad_page spew ! Fixes: 29e332261d2 ("ARC: mm: HIGHMEM: populate high memory from DT") Reported-by: Anton Kolesov <akolesov@synopsys.com> Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2015-12-07ARC: [axs10x] cap ethernet phy to 100 Mbit/secAlexey Brodkin1-0/+1
Current ARC SDP boards cannot reliably handle 1Gbit Ethernet connections due to limitations in hardware. To make sure networking is stable on the board we're limiting phy to 100 Mbit. Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com> Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2015-11-06Merge tag 'devicetree-for-4.4' of ↵Linus Torvalds1-2/+4
git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux Pull DeviceTree updates from Rob Herring: "A fairly large (by DT standards) pull request this time with the majority being some overdue moving DT binding docs around to consolidate similar bindings. - DT binding doc consolidation moving similar bindings to common locations. The majority of these are display related which were scattered in video/, fb/, drm/, gpu/, and panel/ directories. - Add new config option, CONFIG_OF_ALL_DTBS, to enable building all dtbs in the tree for most arches with dts files (except powerpc for now). - OF_IRQ=n fixes for user enabled CONFIG_OF. - of_node_put ref counting fixes from Julia Lawall. - Common DT binding for wakeup-source and deprecation of all similar bindings. - DT binding for PXA LCD controller. - Allow ignoring failed PCI resource translations in order to ignore 64-bit addresses on non-LPAE 32-bit kernels. - Support setting the NUMA node from DT instead of only from parent device. - Couple of earlycon DT parsing fixes for address and options" * tag 'devicetree-for-4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (45 commits) MAINTAINERS: update DT binding doc locations devicetree: add Sigma Designs vendor prefix of: simplify arch_find_n_match_cpu_physical_id() function Documentation: arm: Fixed typo in socfpga fpga mgr example Documentation: devicetree: fix reference to legacy wakeup properties Documentation: devicetree: standardize/consolidate on "wakeup-source" property drivers: of: removing assignment of 0 to static variable xtensa: enable building of all dtbs mips: enable building of all dtbs metag: enable building of all dtbs metag: use common make variables for dtb builds h8300: enable building of all dtbs arm64: enable building of all dtbs arm: enable building of all dtbs arc: enable building of all dtbs arc: use common make variables for dtb builds of: add config option to enable building of all dtbs of/fdt: fix error checking for earlycon address of/overlay: add missing of_node_put of/platform: add missing of_node_put ...
2015-10-28ARC: mm: HIGHMEM: populate high memory from DTVineet Gupta1-2/+10
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2015-10-28ARC: Ensure DT mem base is same as what kernel is built withVineet Gupta6-6/+6
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2015-10-28arc: enable building of all dtbsRob Herring1-0/+2
Enable building all dtb files when CONFIG_OF_ALL_DTBS is enabled. The dtbs are not really dependent on a platform being enabled or any other kernel config, so for testing coverage it is convenient to build all of the dtbs. This builds all dts files in the tree, not just targets listed. Signed-off-by: Rob Herring <robh@kernel.org> Acked-by: Vineet Gupta <vgupta@synopsys.com>
2015-10-28arc: use common make variables for dtb buildsRob Herring1-2/+2
Use dtb-y and always make variables to build dtbs instead of explicit dtbs rule. This is in preparation to support building all dtbs. Signed-off-by: Rob Herring <robh@kernel.org> Acked-by: Vineet Gupta <vgupta@synopsys.com>
2015-08-20ARC: add/fix some comments in code - no functional changeVineet Gupta1-6/+7
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2015-07-09ARCv2: [axs103] bump CPU frequency from 75 to 90 MHZAlexey Brodkin2-2/+2
With up-to-date FPGA builds ARC cores are supposed to correctly operate even with 90 MHz clock (which is a target frequency for AXS103 release). Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com> Cc: arc-linux-dev@synopsys.com
2015-06-25ARCv2: [vdk] dts files and defconfig for HS38 VDKRuud Derwig5-0/+272
- CONFIG_ARC_UBOOT_SUPPORT to handle arguments passed in r0, r1, r2 - CONFIG_DEVTMPFS_MOUNT for mouting rootfs since it uses external cpio for rootfs Cc: Grant Likely <grant.likely@linaro.org> Cc: Rob Herring <robh+dt@kernel.org> Cc: devicetree@vger.kernel.org Signed-off-by: Ruud Derwig <rderwig@synopsys.com> [vgupta: folded the Main baord DT files for smp/up into one] Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2015-06-25ARCv2: [axs103] Support ARC SDP FPGA platform for HS38x coresVineet Gupta4-0/+276
Cc: Grant Likely <grant.likely@linaro.org> Cc: Rob Herring <robh+dt@kernel.org> Cc: devicetree@vger.kernel.org Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2015-06-25ARC: [axs101] Prepare for AXS103Alexey Brodkin2-17/+21
To avoid duplicating the MB DTS file, move the MB intc entry into cpu card specific file Cc: Grant Likely <grant.likely@linaro.org> Cc: Rob Herring <robh+dt@kernel.org> Cc: devicetree@vger.kernel.org Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2015-06-25ARCv2: [nsim*hs*] Support simulation platforms for HS38x coresVineet Gupta4-0/+306
Cc: Grant Likely <grant.likely@linaro.org> Cc: Rob Herring <robh+dt@kernel.org> Cc: devicetree@vger.kernel.org Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2015-06-19ARC: [axs101] STAR 9000799830: Fix SD cards supportAlexey Brodkin1-1/+19
As DW Mobile Storage databook says it's required to use "Hold Register" if card is enumerated in SDR12 or SDR25 modes. It means we need to act in the same way as in Altera's Socfpga implementation - set "use hold reg" bit in commad. Note that for upstream proper solution would be to remove dw_mci_pltfm_prepare_command() at all and set the bit right in dw_mci_prepare_command() for all platforms. Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com> Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2015-06-19ARC: [axs101] support early 8250 uartVineet Gupta1-2/+2
Earlycon calculates UART clock as "BASE_BAUD * 16". In case of ARC "BASE_BAUD" is calculated dynamically in runtime, basically it is an alias to arc_early_base_baud(), which in turn just does "arc_base_baud/16". 8250 UART on AXS/SDP board uses 33.3MHz clock source which is set in "arc_base_baud" with this change. Additional compatibility string "snps,arc-sdp" is introduced as well because there're different flavours of AXS boards but they all share the same motherboard and so it's possible to re-use the same code for motherbord even if CPU daughterboard changes. Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2015-06-19ARC: [axs101] Add support for AXS101 SDP (software development platform)Alexey Brodkin3-0/+323
The AXS10x platforms consist of a mainboard with peripherals, on which several daughter cards can be placed. The daughter cards typically contain a CPU and memory. Signed-off-by: Mischa Jonker <mjonker@synopsys.com> Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com> Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2015-06-19ARC: [plat_arcfpga]->[plat_sim]Vineet Gupta2-2/+2
* Remove remanants of legacy ARC FPGA platforms (AA4, ML509...) * Only nsim simulation platform is left, rename platform accordingly * AA4 DT stuff is compatible with nsim for ARC700 so rename it too Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2015-04-20ARC: perf: Rename DT binding to not confuse with power mgmtVineet Gupta1-1/+1
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2015-02-05dmaengine: dw: define DW_DMA_MAX_NR_MASTERSAndy Shevchenko1-1/+1
Instead of using magic number in the code the patch provides DW_DMA_MAX_NR_MASTERS constant. While here, restrict the reading of data width array by amount of the actual number of AHB masters. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2014-12-15ARC: [nsimosci] move peripherals to match model to FPGAVineet Gupta1-9/+9
This allows the sdplite/Zebu images to run on OSCI simulation platform Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Cc: <stable@vger.kernel.org> #3.10, 3.12, 3.14, 3.16
2014-10-13ARC: [nsimosci] Allow "headless" models to bootVineet Gupta1-1/+1
There are certain test configuration of virtual platform which don't have any real console device (uart/pgu). So add tty0 as a fallback console device to allow system to boot and be accessible via telnet Otherwise with ttyS0 as only console, but 8250 disabled in kernel build, init chokes. Reported-by: Anton Kolesov <akolesov@synopsys.com> Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Cc: <stable@vger.kernel.org> #3.10, 3.12, 3.14, 3.16
2014-10-13ARC: [arcfpga] consolidate machine description, DTVineet Gupta2-10/+0
* AA4/ML509 have same machine descriptions * Rename simulation machine description Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2014-07-28Revert "ARC: [arcfpga] stdout-path now suffices for earlycon/console"Greg Kroah-Hartman1-2/+1
This reverts commit 9da433c0a0b5f71ac92dc9dca778295649675f08. Vineet writes: Could you please revert this single patch from tty-next for 3.17 as the needed core changes are not yet finalized. Cc: Vineet Gupta <vgupta@synopsys.com> Cc: Rob Herring <robh@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-07-11ARC: [arcfpga] stdout-path now suffices for earlycon/consoleVineet Gupta1-1/+2
With recent improvements to serial/of core from Grant and Rob, stdout-path alone suffices for setting up earlycon/console. arc_uart driver is already equipped to handle that, switch the DT now. Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-07-11serial/arc: remove earlyprintk support and switch to earlyconVineet Gupta1-1/+1
Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-06-03ARC: [arcfpga] Early ARC UART to be only activated by cmdlineVineet Gupta1-1/+1
Earlier CONFIG_SERIAL_ARC_CONSOLE would unconditionally enable the legacy ARC UART based early console even if platform lacked that UART (e.g. nSIM OSCI platform). So a multi-platform image containing the 2 UART drivers won't work. Fix that by probing the driver only if "earlyprintk=ttyARC0" is present in cmdline. Reported-by: Chuck Jordan <cjordan@synopsys.com> Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2014-04-05ARC: [nsimosci] Unbork consoleVineet Gupta1-1/+4
Despite the switch to right UART driver (prev patch), serial console still doesn't work due to missing CONFIG_SERIAL_OF_PLATFORM Also fix the default cmdline in DT to not refer to out-of-tree ARC framebuffer driver for console. Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Cc: <stable@vger.kernel.org> #3.10, 3.12, 3.13, 3.14 Cc: Francois Bedard <Francois.Bedard@synopsys.com>
2014-04-05ARC: [nsimosci] Change .dts to use generic 8250 UARTMischa Jonker1-4/+3
The Synopsys APB DW UART has a couple of special features that are not in the System C model. In 3.8, the 8250_dw driver didn't really use these features, but from 3.9 onwards, the 8250_dw driver has become incompatible with our model. Signed-off-by: Mischa Jonker <mjonker@synopsys.com> Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Cc: <stable@vger.kernel.org> #3.10, 3.12, 3.13, 3.14 Cc: Francois Bedard <Francois.Bedard@synopsys.com>
2014-03-31ARC: Remove unused DT template fileVineet Gupta1-10/+0
Commit abe11ddea1d759f9 "Enabling DeviceTree for Angel4 board" made angel4.dts as default leaving the orphan skeleton file behind. Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2013-11-12ARC: Add perf support for ARC700 coresMischa Jonker1-0/+4
This adds basic perf support for ARC700 cores. Most PERF_COUNT_HW* events are supported now. Signed-off-by: Mischa Jonker <mjonker@synopsys.com> Acked-by: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2013-11-11ARC: [TB10x] Updates for GPIO and pinctrlChristian Ruppert5-187/+214
Device tree and Kconfig updates for GPIO and pinctrl drivers. Signed-off-by: Christian Ruppert <christian.ruppert@abilis.com> Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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