diff options
| author |   Rob Herring <rob.herring@calxeda.com> | 2013-01-28 16:13:14 +0000 |
|---|---|---|
| committer |   Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-02-02 00:01:15 +0100 |
| commit | 300586778d405f0a4d1f6dc51fcfb4fed567d020 (patch) | |
| tree | f54593ff6668e89df990f2b4cbd2d55176ada437 /drivers/mailbox/Kconfig | |
| parent | clk / highbank: Prevent glitches in non-bypass reset mode (diff) | |
| download | linux-dev-300586778d405f0a4d1f6dc51fcfb4fed567d020.tar.xz linux-dev-300586778d405f0a4d1f6dc51fcfb4fed567d020.zip | |
ARM / highbank: add support for pl320 IPC
The pl320 IPC allows for interprocessor communication between the
highbank A9 and the EnergyCore Management Engine. The pl320 implements
a straightforward mailbox protocol.
Signed-off-by: Mark Langsdorf <mark.langsdorf@calxeda.com>
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/mailbox/Kconfig')
| -rw-r--r-- | drivers/mailbox/Kconfig | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/mailbox/Kconfig b/drivers/mailbox/Kconfig new file mode 100644 index 000000000000..9545c9f03809 --- /dev/null +++ b/drivers/mailbox/Kconfig @@ -0,0 +1,19 @@ +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. + +endif |