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b6fc6072b1
PCC is made selectable only by clients which use it. e.g. CPPC Default it to disabled so that it is not included accidentally on platforms which dont use it. Signed-off-by: Ashwin Chaugule <ashwin.chaugule@linaro.org> Reviewed-by: Al Stone <al.stone@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
75 lines
2.4 KiB
Plaintext
75 lines
2.4 KiB
Plaintext
menuconfig MAILBOX
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bool "Mailbox Hardware Support"
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help
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Mailbox is a framework to control hardware communication between
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on-chip processors through queued messages and interrupt driven
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signals. Say Y if your platform supports hardware mailboxes.
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if MAILBOX
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config ARM_MHU
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tristate "ARM MHU Mailbox"
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depends on ARM_AMBA
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help
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Say Y here if you want to build the ARM MHU controller driver.
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The controller has 3 mailbox channels, the last of which can be
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used in Secure mode only.
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config PL320_MBOX
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bool "ARM PL320 Mailbox"
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depends on ARM_AMBA
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help
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An implementation of the ARM PL320 Interprocessor Communication
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Mailbox (IPCM), tailored for the Calxeda Highbank. It is used to
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send short messages between Highbank's A9 cores and the EnergyCore
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Management Engine, primarily for cpufreq. Say Y here if you want
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to use the PL320 IPCM support.
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config OMAP2PLUS_MBOX
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tristate "OMAP2+ Mailbox framework support"
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depends on ARCH_OMAP2PLUS
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help
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Mailbox implementation for OMAP family chips with hardware for
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interprocessor communication involving DSP, IVA1.0 and IVA2 in
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OMAP2/3; or IPU, IVA HD and DSP in OMAP4/5. Say Y here if you
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want to use OMAP2+ Mailbox framework support.
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config OMAP_MBOX_KFIFO_SIZE
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int "Mailbox kfifo default buffer size (bytes)"
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depends on OMAP2PLUS_MBOX
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default 256
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help
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Specify the default size of mailbox's kfifo buffers (bytes).
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This can also be changed at runtime (via the mbox_kfifo_size
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module parameter).
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config PCC
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bool "Platform Communication Channel Driver"
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depends on ACPI
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default n
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help
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ACPI 5.0+ spec defines a generic mode of communication
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between the OS and a platform such as the BMC. This medium
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(PCC) is typically used by CPPC (ACPI CPU Performance management),
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RAS (ACPI reliability protocol) and MPST (ACPI Memory power
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states). Select this driver if your platform implements the
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PCC clients mentioned above.
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config ALTERA_MBOX
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tristate "Altera Mailbox"
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depends on HAS_IOMEM
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help
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An implementation of the Altera Mailbox soft core. It is used
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to send message between processors. Say Y here if you want to use the
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Altera mailbox support.
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config BCM2835_MBOX
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tristate "BCM2835 Mailbox"
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depends on ARCH_BCM2835
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help
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An implementation of the BCM2385 Mailbox. It is used to invoke
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the services of the Videocore. Say Y here if you want to use the
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BCM2835 Mailbox.
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endif
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