1. 19 May, 2015 1 commit
  2. 17 Dec, 2014 1 commit
  3. 13 Oct, 2014 1 commit
  4. 27 Jun, 2013 1 commit
    • Vineet Gupta's avatar
      ARC: Adjustments for gcc 4.8 · 5a45da02
      Vineet Gupta authored
      * 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: default avatarVineet Gupta <vgupta@synopsys.com>
      5a45da02
  5. 22 Jun, 2013 1 commit
  6. 07 May, 2013 1 commit
  7. 09 Apr, 2013 3 commits
  8. 15 Feb, 2013 6 commits
    • Vineet Gupta's avatar
      ARC: [Review] Multi-platform image #4: Isolate platform headers · e97ff121
      Vineet Gupta authored
      -Top level ARC makefile removes -I for platform headers
      -asm/irq.h no longer includes plat/irq.h
      
      -platform makefile adds -I for it's specfic platform headers
      -platform code to directly include it's plat/irq.h
      
      -Linker script needed plat/memmap.h for CCM info, already in .config
      Signed-off-by: default avatarVineet Gupta <vgupta@synopsys.com>
      Cc: Arnd Bergmann <arnd@arndb.de>
      Acked-by: default avatarArnd Bergmann <arnd@arndb.de>
      e97ff121
    • Vineet Gupta's avatar
    • Vineet Gupta's avatar
      ARC: SMP support · 41195d23
      Vineet Gupta authored
      ARC common code to enable a SMP system + ISS provided SMP extensions.
      
      ARC700 natively lacks SMP support, hence some of the core features are
      are only enabled if SoCs have the necessary h/w pixie-dust. This
      includes:
      -Inter Processor Interrupts (IPI)
      -Cache coherency
      -load-locked/store-conditional
      ...
      
      The low level exception handling would be completely broken in SMP
      because we don't have hardware assisted stack switching. Thus a fair bit
      of this code is repurposing the MMU_SCRATCH reg for event handler
      prologues to keep them re-entrant.
      
      Many thanks to Rajeshwar Ranga for his initial "major" contributions to
      SMP Port (back in 2008), and to Noam Camus and Gilad Ben-Yossef for help
      with resurrecting that in 3.2 kernel (2012).
      
      Note that this platform code is again singleton design pattern - so
      multiple SMP platforms won't build at the moment - this deficiency is
      addressed in subsequent patches within this series.
      Signed-off-by: default avatarVineet Gupta <vgupta@synopsys.com>
      Cc: Arnd Bergmann <arnd@arndb.de>
      Cc: Thomas Gleixner <tglx@linutronix.de>
      Cc: Rajeshwar Ranga <rajeshwar.ranga@gmail.com>
      Cc: Noam Camus <noamc@ezchip.com>
      Cc: Gilad Ben-Yossef <gilad@benyossef.com>
      41195d23
    • Vineet Gupta's avatar
      ARC: OProfile support · 769bc1fd
      Vineet Gupta authored
      Signed-off-by: default avatarVineet Gupta <vgupta@synopsys.com>
      Cc: Robert Richter <rric@kernel.org>
      Cc: oprofile-list@lists.sf.net
      Reviewed-by: default avatarJames Hogan <james.hogan@imgtec.com>
      769bc1fd
    • Vineet Gupta's avatar
      080c3747
    • Vineet Gupta's avatar
      ARC: [DeviceTree] Basic support · 999159a5
      Vineet Gupta authored
      This is minimal infrastructure needed for devicetree work.
      It uses an a sample "skeleton" devicetree - embedded in kernel image -
      to print the board, manufacturer by parsing the top-level "compatible"
      string.
      
      As of now we don't need any additional "board" specific "machine_desc".
      
      TODO: support interpreting the command line as boot-loader passed dtb
      Signed-off-by: default avatarVineet Gupta <vgupta@synopsys.com>
      Cc: Arnd Bergmann <arnd@arndb.de>
      Cc: Grant Likely <grant.likely@secretlab.ca>
      Cc: devicetree-discuss@lists.ozlabs.org
      Cc: Rob Herring <rob.herring@calxeda.com>
      Cc: James Hogan <james.hogan@imgtec.com>
      Reviewed-by: default avatarRob Herring <rob.herring@calxeda.com>
      Reviewed-by: default avatarJames Hogan <james.hogan@imgtec.com>
      999159a5
  9. 11 Feb, 2013 1 commit
    • Vineet Gupta's avatar
      ARC: Build system: Makefiles, Kconfig, Linker script · cfdbc2e1
      Vineet Gupta authored
      Arnd in his review pointed out that arch Kconfig organisation has several
      deficiencies:
      
      * Build time entries for things which can be runtime extracted from DT
        (e.g. SDRAM size, core clk frequency..)
      * Not multi-platform-image-build friendly (choice .. endchoice constructs)
      * cpu variants support (750/770) is exclusive.
      
      The first 2 have been fixed in subsequent patches.
      Due to the nature of the 750 and 770, it is not possible to build for
      both together, w/o special runtime glue code which would hurt
      performance.
      Signed-off-by: default avatarVineet Gupta <vgupta@synopsys.com>
      Cc: Arnd Bergmann <arnd@arndb.de>
      Cc: Sam Ravnborg <sam@ravnborg.org>
      Acked-by: Sam Ravnborg's avatarSam Ravnborg <sam@ravnborg.org>
      cfdbc2e1