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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 OMAP_MBOX
 20         tristate
 21         help
 22           This option is selected by any OMAP architecture specific mailbox
 23           driver such as CONFIG_OMAP1_MBOX or CONFIG_OMAP2PLUS_MBOX. This
 24           enables the common OMAP mailbox framework code.
 25 
 26 config OMAP1_MBOX
 27         tristate "OMAP1 Mailbox framework support"
 28         depends on ARCH_OMAP1
 29         select OMAP_MBOX
 30         help
 31           Mailbox implementation for OMAP chips with hardware for
 32           interprocessor communication involving DSP in OMAP1. Say Y here
 33           if you want to use OMAP1 Mailbox framework support.
 34 
 35 config OMAP2PLUS_MBOX
 36         tristate "OMAP2+ Mailbox framework support"
 37         depends on ARCH_OMAP2PLUS
 38         select OMAP_MBOX
 39         help
 40           Mailbox implementation for OMAP family chips with hardware for
 41           interprocessor communication involving DSP, IVA1.0 and IVA2 in
 42           OMAP2/3; or IPU, IVA HD and DSP in OMAP4/5. Say Y here if you
 43           want to use OMAP2+ Mailbox framework support.
 44 
 45 config OMAP_MBOX_KFIFO_SIZE
 46         int "Mailbox kfifo default buffer size (bytes)"
 47         depends on OMAP2PLUS_MBOX || OMAP1_MBOX
 48         default 256
 49         help
 50           Specify the default size of mailbox's kfifo buffers (bytes).
 51           This can also be changed at runtime (via the mbox_kfifo_size
 52           module parameter).
 53 endif

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