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Rob Herring30058672013-01-28 16:13:14 +00001menuconfig 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
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.
18
Suman Annac869c752013-03-12 17:55:29 -050019config 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
26config 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
35config 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
45config 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).
Rob Herring30058672013-01-28 16:13:14 +000053endif