From 300586778d405f0a4d1f6dc51fcfb4fed567d020 Mon Sep 17 00:00:00 2001 From: Rob Herring Date: Mon, 28 Jan 2013 16:13:14 +0000 Subject: 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 Signed-off-by: Rob Herring Signed-off-by: Rafael J. Wysocki --- drivers/mailbox/Kconfig | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 drivers/mailbox/Kconfig (limited to 'drivers/mailbox/Kconfig') 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 -- cgit v1.2.3