1menuconfig MAILBOX
   2        bool "Mailbox Hardware Support"
   3        help
   4          Mailbox is a framework to control hardware communication between
   5          on-chip processors through queued messages and interrupt driven
   6          signals. Say Y if your platform supports hardware mailboxes.
   8if MAILBOX
   9config PL320_MBOX
  10        bool "ARM PL320 Mailbox"
  11        depends on ARM_AMBA
  12        help
  13          An implementation of the ARM PL320 Interprocessor Communication
  14          Mailbox (IPCM), tailored for the Calxeda Highbank. It is used to
  15          send short messages between Highbank's A9 cores and the EnergyCore
  16          Management Engine, primarily for cpufreq. Say Y here if you want
  17          to use the PL320 IPCM support.
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