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Linux/drivers/mailbox/Kconfig

  1 menuconfig 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.
  7 
  8 if MAILBOX
  9 config 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.
 18 
 19 config OMAP2PLUS_MBOX
 20         tristate "OMAP2+ Mailbox framework support"
 21         depends on ARCH_OMAP2PLUS
 22         help
 23           Mailbox implementation for OMAP family chips with hardware for
 24           interprocessor communication involving DSP, IVA1.0 and IVA2 in
 25           OMAP2/3; or IPU, IVA HD and DSP in OMAP4/5. Say Y here if you
 26           want to use OMAP2+ Mailbox framework support.
 27 
 28 config OMAP_MBOX_KFIFO_SIZE
 29         int "Mailbox kfifo default buffer size (bytes)"
 30         depends on OMAP2PLUS_MBOX
 31         default 256
 32         help
 33           Specify the default size of mailbox's kfifo buffers (bytes).
 34           This can also be changed at runtime (via the mbox_kfifo_size
 35           module parameter).
 36 endif

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