| 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 OMAP_MBOX |
| tristate |
| help |
| This option is selected by any OMAP architecture specific mailbox |
| driver such as CONFIG_OMAP1_MBOX or CONFIG_OMAP2PLUS_MBOX. This |
| enables the common OMAP mailbox framework code. |
| |
| config OMAP1_MBOX |
| tristate "OMAP1 Mailbox framework support" |
| depends on ARCH_OMAP1 |
| select OMAP_MBOX |
| help |
| Mailbox implementation for OMAP chips with hardware for |
| interprocessor communication involving DSP in OMAP1. Say Y here |
| if you want to use OMAP1 Mailbox framework support. |
| |
| config OMAP2PLUS_MBOX |
| tristate "OMAP2+ Mailbox framework support" |
| depends on ARCH_OMAP2PLUS |
| select OMAP_MBOX |
| 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 || OMAP1_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 |