mirror of https://gitee.com/openkylin/linux.git
37 lines
1.2 KiB
Plaintext
37 lines
1.2 KiB
Plaintext
menuconfig MAILBOX
|
|
bool "Mailbox Hardware Support"
|
|
help
|
|
Mailbox is a framework to control hardware communication between
|
|
on-chip processors through queued messages and interrupt driven
|
|
signals. Say Y if your platform supports hardware mailboxes.
|
|
|
|
if MAILBOX
|
|
config PL320_MBOX
|
|
bool "ARM PL320 Mailbox"
|
|
depends on ARM_AMBA
|
|
help
|
|
An implementation of the ARM PL320 Interprocessor Communication
|
|
Mailbox (IPCM), tailored for the Calxeda Highbank. It is used to
|
|
send short messages between Highbank's A9 cores and the EnergyCore
|
|
Management Engine, primarily for cpufreq. Say Y here if you want
|
|
to use the PL320 IPCM support.
|
|
|
|
config OMAP2PLUS_MBOX
|
|
tristate "OMAP2+ Mailbox framework support"
|
|
depends on ARCH_OMAP2PLUS
|
|
help
|
|
Mailbox implementation for OMAP family chips with hardware for
|
|
interprocessor communication involving DSP, IVA1.0 and IVA2 in
|
|
OMAP2/3; or IPU, IVA HD and DSP in OMAP4/5. Say Y here if you
|
|
want to use OMAP2+ Mailbox framework support.
|
|
|
|
config OMAP_MBOX_KFIFO_SIZE
|
|
int "Mailbox kfifo default buffer size (bytes)"
|
|
depends on OMAP2PLUS_MBOX
|
|
default 256
|
|
help
|
|
Specify the default size of mailbox's kfifo buffers (bytes).
|
|
This can also be changed at runtime (via the mbox_kfifo_size
|
|
module parameter).
|
|
endif
|