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2017-02-06arc: vdk: Add support of UIOAlexey Brodkin1-0/+2
ARC VDK for EVSS uses UIO for communication with Embedded Vision Subsystem. Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com> Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2017-02-06arc: vdk: Add support of MMC controllerAlexey Brodkin1-0/+4
ARC VDK virtual platform emulates host MMC controller (DW Mobile Storage) and moreover rootfs is situated on that virtual card. Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com> Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2017-02-06arc: vdk: Disable halt on resetAlexey Brodkin1-2/+1
In recent VDKs ARC cores are configured as "run on reset" which made existing kernel configuration outdated to effect that slave cores never start execution of the code keeping only master online. With that fix we're again in sync with VDK platform. And while at it we regenerate defconfig via savedefconfig so default options are now excluded. Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com> Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2016-11-30ARC: axs10x: really enable ARC PGUAlexey Brodkin2-2/+6
Up until now we had ARC PGU not enabled in axs10x defconfigs trying to not bloat kernel image again with yet another drivers and subsystems. This change configures ARC PGU (as well as DRM bits it depends on) to be built as a module and so those who need LCD screen to work on axs10x may bundle built .ko files in their target's file-system with help of the following command on host: ------------->8------------- make INSTALL_MOD_PATH=_path_to_target_fs_ modules_install ------------->8------------- and later on target with commands as simple as: ------------->8------------- modprobe adv7511.ko modprobe arcpgu.ko ------------->8------------- get LCD working. Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com> Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2016-11-30ARC: rename Zebu platform support to HAPSVineet Gupta2-2/+2
There are more ARC Linux HAPS users than Zebu ones. Same kernel would work fine on both, even with embedded DT, assuming the FPGA bitfile configuration is same Suggested-by: Francois Bedard <fbedard@ynopsys.com> Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2016-11-30ARC: timer: gfrc, rtc: build under same option (64-bit timers)Vineet Gupta2-2/+2
The original distinction was done as they were developed at different times and primarily because they are specific to UP (RTC) and SMP (GFRC). But given that driver handles that at runtime, (i.e. not allowing RTC as clocksource in SMP), we can simplify things a bit. Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2016-10-31ARC: Enable PERF_EVENTS in nSIM driven platformsAlexey Brodkin6-2/+6
Now when we have properly working performance counters in nSIM even with interrupt support (fix should be a part of upcoming nSIM engineering build 2016.12-005) we may enable perf support by default for all platforms that use nSIM for ARC cores simulation. Note 1: PCT node was missing for some reason in nsimosci.dts while all other nSIM-related .dts files already had PCT node for quite some time, so adding it now. Note 2: All defconfigs were regenerated with "make savedefconfig" which led to some clean-ups in nsimosci_hs_smp_defconfig: CONFIG_FRAMEBUFFER_CONSOLE=y was removed because it is automatically selected now by DRM. Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com> Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2016-09-30ARC: [plat*] enables MODULE*Vineet Gupta5-1/+16
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2016-09-30ARCv2: Add support for ZeBu Emulation platform for HS coresVineet Gupta2-0/+175
The cool thing is that same kernel image can run on - nsim OSCI simulation platform - SDPlite FPGA setups Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2016-06-13ARC: [nsimosci] Enable ARC PGU on nSIM OSCI virtual platformsAlexey Brodkin3-3/+6
With required ARC PGU updates that allow it to be used on simulation platforms we may finally utilize ARC PGU in nSIM OSCI virtual platforms with modern Linux kernels. Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
2016-06-13ARCv2: [vdk] Enable ARC PGU on HS38 VDKAlexey Brodkin1-5/+2
With required ARC PGU updates that allow it to be used on simulation platforms we may finally utilize ARC PGU in HS38 VDK with modern Linux kernels. Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
2016-05-09ARC: [plat-eznps] Add eznps board defconfig and dtsNoam Camus1-0/+84
Adding default configuration file and DTS file Signed-off-by: Noam Camus <noamc@ezchip.com>
2016-04-07ARC: [plat-axs103] Enable loop block devicesAlexey Brodkin2-0/+2
As mentioned in LTP's README.ARC: ------------->8------------ Requirements for the environment * Linux must be built with support of loop block devices. Thus it's necessary to enable these Linux kernel options: CONFIG_BLK_DEV CONFIG_BLK_DEV_LOOP ------------->8------------ enabling loop block devices. That among other things lead to additional 10 fatal signals appearing during LTP run. Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com> Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2016-03-15arc: [plat-nsimosci*] use ezchip network driverLada Trimasova3-0/+4
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>
2016-03-11ARC: [*defconfig] No need to specify CONFIG_CROSS_COMPILEVineet Gupta12-12/+0
The problem is with CONFIG_CPU_BIG_ENDIAN=y we still needed .config fixup to override the the defconfig prefix to arceb-linux- So remove these from defconfig and let user pass this via CROSS_COMPILE environment var or use the default for ENDIAN (per previous patch) No other arch carries them in defconfigs anyways ! Cc: Noam Camus <noamc@ezchip.com> Cc: Alexey Brodkin <abrodkin@synopsys.com> Cc: Anton Kolesov <akolesov@synosys.com> Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2016-02-23arc: get rid of DEVTMPFS dependency on INITRAMFS_SOURCEAlexey Brodkin10-55/+18
Even though DEVTMPFS is required when our pre-built initramfs is used it is not the case in general. It is perfectly possible to use initramfs with device nodes already populated or there could be other usages, see discussion below for more detials: http://thread.gmane.org/gmane.comp.embedded.openwrt.devel/37819/focus=37821 This change removes mentioned dependency from arch/arc/Kconfig updating instead those defconfigs that are usually used with this kind of pre-build initramfs. And while at it all touched defconfigs were regenerated via savedefconfig and some options were removed: * USB is selected by other options implicitly * VGA_CONSOLE is disableb for ARC since 031e29b5877f31676739dc2f847d04c2c0732034 * EXT3_FS automatically selects EXT4_FS * MTDxxx and JFFS2_FS make no sense for AXS because AXS NAND controller is not upstreamed * NET_OSCI_LAN is not in upstream as well * ARCPGU_xxx options make no sense because ARC PGU is not yet in upstream and when it gets there all config options would be taken from devicetree Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com> Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2016-01-29ARCv2: clocksource: Rename GRTC -> GFRC ...Vineet Gupta1-1/+1
... it is now called Global Free Running Counter Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2015-11-16ARC: switch to arc-linux- CROSS_COMPILE prefix across all configssujayraaj9-9/+9
When building kernel with buildroot built toolchain, CROSS_COMPILE currently needs adjustment even if minor. This is because the defconfigs prefer "arc-linux-uclibc-" prefix from hand built (non buildroot) toolchain while buildroot provides "arc-buildroot-linux-uclibc-" To avoid this use the common "arc-linux-" prefix which is provided by buildroot and has also been in hand built tools for quite some time. Signed-off-by: sujayraaj <sujayraaj@gmail.com> Signed-off-by: Vineet Gupta <vgupta@synopsys.com> [vgupta: updated changelog]
2015-10-26arc: axs10x_defconfig: remove CONFIG_MMC_DW_IDMACShawn Lin3-3/+0
DesignWare MMC Controller's transfer mode should be decided at runtime instead of compile-time. So we remove this config option and read dw_mmc's register to select DMA master. Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com> Acked-by: Vineet Gupta <vgupta@synopsys.com> Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2015-06-25ARCv2: [vdk] dts files and defconfig for HS38 VDKRuud Derwig2-0/+206
- 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 Gupta2-0/+235
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/+293
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] Add support for AXS101 SDP (software development platform)Alexey Brodkin1-0/+111
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 Gupta2-3/+3
* 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>
2015-06-19ARC: RIP broken 64bit RTSCVineet Gupta3-3/+0
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2015-05-19ARC: switch to simpler CROSS_COMPILE prefixVineet Gupta3-3/+3
ARC GNU tools have had support for arc-linux-* driver for some time now. This is functionally similar to arc-linux-uclibc-* but uclibc prefix seemed weird at best when trying to compile the kernel itself. Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2015-04-13ARC: [nsimosci] Update defconfigMischa Jonker1-10/+9
Signed-off-by: Mischa Jonker <mjonker@synopsys.com>
2014-12-17ARC: rename default defconfigVineet Gupta2-63/+0
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2014-10-13ARC: [arcfpga] Get rid of ARC_BOARD_ANGEL4 and ARC_BOARD_ML509Paul Bolle3-3/+0
Commit c00bfd974fb0 ("ARC: [arcfpga] Get rid of legacy BVCI latency unit support") removed the Kconfig symbol ARC_HAS_BVCI_LAT_UNIT. And that symbol's entry was the only place were the symbols ARC_BOARD_ANGEL4 and ARC_BOARD_ML509 were used. So ARC_BOARD_ANGEL4 and ARC_BOARD_ML509 can be removed too. Signed-off-by: Paul Bolle <pebolle@tiscali.nl> Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2014-04-05ARC: [nsimosci] Unbork consoleVineet Gupta1-0/+1
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>
2013-11-19Merge tag 'arc-v3.13-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arcLinus Torvalds1-0/+64
Pull second set of ARC changes from Vineet Gupta: - Support for Perf from Mischa - Enabling GPIO/Pinctrl drivers for Abilis TB10x platform - New defconfig for buildroot * tag 'arc-v3.13-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc: ARC: [plat-arcfpga] Add defconfig without initramfs location ARC: perf: ARC 700 PMU doesn't support sampling events ARC: Add documentation on DT binding for ARC700 PMU ARC: Add perf support for ARC700 cores ARC: [TB10x] Updates for GPIO and pinctrl
2013-11-15ARC: [plat-arcfpga] Add defconfig without initramfs locationMischa Jonker1-0/+64
This is useful if you want to build a kernel without a ramfs, or if you want to test the kernel build without having an initramfs available at the hardcoded location. Cc: Vineet Gupta <vgupta@synopsys.com> Signed-off-by: Mischa Jonker <mjonker@synopsys.com> Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2013-11-07ARC: [plat-arcfpga] defconfig updateVineet Gupta1-0/+3
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2013-07-10Merge tag 'arc-v3.11-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arcLinus Torvalds1-0/+3
Pull second set of ARC architecture updates from Vineet Gupta: "Couple of Platform updates (Device Tree files primarily) given that the corresponding drivers (net/ethernet/arc/*, irqctl/irq-tb10x.c) have now been merged into your tree. Ideally these shd have been part of same submissions, oh well..." * tag 'arc-v3.11-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc: ARC: [TB10x] Updates for irqchip driver ARC: [plat-arcfpga] Enable arc_emac for ARCAngle4 Board
2013-06-28ARC: [plat-arcfpga] Enable arc_emac for ARCAngle4 BoardAlexey Brodkin1-0/+3
* Add arc_emac to DeviceTree DT description "Documentation/devicetree/bindings/net/arc_emac.txt". * Update defconfig correspondingly [vgupta: tweaked changelog] Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com> Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2013-06-27ARC: Adjustments for gcc 4.8Vineet Gupta3-3/+3
* DWARF unwinder related + Force DWARF2 compliant .debug_frame (gcc 4.8 defaults to DWARF4 which kernel unwinder can't grok). + Discard the additional .eh_frame generated + Discard the dwarf4 debug info generated by -gdwarf-2 for normal no debug case * 4.8 already uses arc600 multilibs for -mno-mpy * switch to using uclibc compiler (to get -mmedium-calls and -mno-sdata) and also since buildroot can only use 1 toolchain Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2013-05-07ARC: Add support for nSIM OSCI System C modelMischa Jonker1-0/+75
This adds support for an ARC Virtual Platform. This platform is based on the System C standard promoted by the OSCI (Open System C Initiative) and uses nSIM to simulate the ARC CPU core itself. Users can build a virtual SoC by combining System C models of peripherals and CPU cores. Signed-off-by: Mischa Jonker <mjonker@synopsys.com> Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2013-05-07ARC: [TB10x] Add support for TB10x platformChristian Ruppert1-0/+117
Infrastructure required to make the Linux kernel compile and boot on the Abilis Systems TB10x series of SOCs based on ARC700 CPUs: - Kmake related files (Kconfig, Makefile, tb10x_defconfig) - TB10x platform initialisation Signed-off-by: Christian Ruppert <christian.ruppert@abilis.com> Signed-off-by: Pierrick Hascoet <pierrick.hascoet@abilis.com> Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2013-05-07ARC: [plat-arcfpga] defconfig updateVineet Gupta1-1/+2
* Allow initramfs path to be symlink * CONFIG_PREEMPT be default Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2013-02-15ARC: [plat-arcfpga] defconfig for fully loaded ARC LinuxVineet Gupta1-4/+19
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2013-02-15ARC: [plat-arcfpga] defconfigVineet Gupta1-0/+46
With this we get to a running kernel on ISS ---------------------------------->8----------------------------------- Linux version 3.8.0-rc3+ (vineetg@vineetg-Latitude) (gcc version 4.4.7 (ARCompact elf32 toolchain (built 20121213)) ) #3 Thu Jan 17 14:22:05 IST 2013 Board "arc-angel4" from snps (Manufacturer) Memory size set via devicetree 256M [plat-arcfpga]: registering early dev resources bootconsole [early_ARCuart0] enabled pcpu-alloc: s0 r0 d32768 u32768 alloc=1*32768 pcpu-alloc: [0] 0 Built 1 zonelists in Zone order, mobility grouping on. Total pages: 32624 Kernel command line: console=ttyARC0,115200n8 PID hash table entries: 1024 (order: -1, 4096 bytes) Dentry cache hash table entries: 32768 (order: 4, 131072 bytes) Inode-cache hash table entries: 16384 (order: 3, 65536 bytes) Memory Available: 248M / 256M (1312K code, 463K data, 4184K init, 1400K reserv) SLUB: Genslabs=12, HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1 NR_IRQS:16 Console: colour dummy device 80x25 Calibrating delay loop... 39.73 BogoMIPS (lpj=198656) pid_max: default: 32768 minimum: 301 Mount-cache hash table entries: 1024 devtmpfs: initialized [plat-arcfpga]: registering device resources bio: create slab <bio-0> at 0 Switching to clocksource ARC RTSC io scheduler noop registered (default) arc-uart: ttyARC0 at MMIO 0xc0fc1000 (irq = 5) is a arc-uart console [ttyARC0] enabled, bootconsole disabled console [ttyARC0] enabled, bootconsole disabled mousedev: PS/2 mouse device common for all mice Warning: unable to open an initial console. Freeing unused kernel memory: 4184k [80002000] to [80418000] Mounting proc Mounting sysfs Mounting devpts Setting hostname to ARCLinux Starting System logger (syslogd) Bringing up loopback device ifconfig: socket: Function not implemented route: socket: Function not implemented Disk not detected ! Mounting tmpfs mount: mounting tmpfs on /dev/shm failed: Invalid argument /etc/init.d/rcS: line 76: can't create /proc/sys/kernel/msgmni: nonexistent directory Please press Enter to activate this console. *********************************************************************** Welcome to ARCLinux *********************************************************************** [ARCLinux]$ ---------------------------------->8----------------------------------- Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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