1. 08 Jun, 2009 1 commit
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  7. 23 Mar, 2009 1 commit
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  9. 13 Mar, 2009 1 commit
  10. 11 Mar, 2009 1 commit
    • Shinya Kuribayashi's avatar
      MIPS: NEC VR5500 processor support fixup · a644b277
      Shinya Kuribayashi authored
      
      
      Current VR5500 processor support lacks of some functions which are
      expected to be configured/synthesized on arch initialization.
      
      Here're some VR5500A spec notes:
      
      * All execution hazards are handled in hardware.
      
      * Once VR5500A stops the operation of the pipeline by WAIT instruction,
        it could return from the standby mode only when either a reset, NMI
        request, or all enabled interrupts is/are detected.  In other words,
        if interrupts are disabled by Status.IE=0, it keeps in standby mode
        even when interrupts are internally asserted.
      
        Notes on WAIT: The operation of the processor is undefined if WAIT
        insn is in the branch delay slot.  The operation is also undefined
        if WAIT insn is executed when Status.EXL and Status.ERL are set to 1.
      
      * VR5500A core only implements the Load prefetch.
      
      With these changes, it boots fine.
      Signed-off-by: default avatarShinya Kuribayashi <shinya.kuribayashi@necel.com>
      Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
      a644b277
  11. 10 Mar, 2009 1 commit
    • Phil Sutter's avatar
      Input: add driver for S1 button of rb532 · d9bdffd2
      Phil Sutter authored
      
      
      Mikrotik's Routerboard 532 has two builtin buttons, from which one
      triggers a hardware reset. The other one is accessible through GPIO
      pin 1. Sadly, this pin is being multiplexed with UART0 input, so
      enabling it as interrupt source (as implied by the gpio-keys driver)
      is not possible unless UART0 has been turned off. The later one though
      is a rather bad idea as the Routerboard is an embedded device with
      only a single serial port, so it's almost always used as serial
      console device.
      
      This patch adds a driver based on INPUT_POLLDEV, which disables the
      UART and reconfigures GPIO pin 1 temporarily while reading the button
      state.  This procedure works fine and has been tested as part of
      another, unpublished driver for this device.
      Signed-off-by: default avatarPhil Sutter <n0-1@freewrt.org>
      Signed-off-by: default avatarDmitry Torokhov <dtor@mail.ru>
      d9bdffd2