| Rob Herring | 3005867 | 2013-01-28 16:13:14 +0000 | [diff] [blame] | 1 | menuconfig 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 | |
| 8 | if MAILBOX |
| 9 | config 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 Anna | c869c75 | 2013-03-12 17:55:29 -0500 | [diff] [blame] | 19 | config OMAP_MBOX |
| 20 | tristate |
| 21 | help |
| 22 | This option is selected by any OMAP architecture specific mailbox |
| Suman Anna | 7985909 | 2014-06-24 19:43:38 -0500 | [diff] [blame^] | 23 | driver such as CONFIG_OMAP2PLUS_MBOX. This enables the common OMAP |
| 24 | mailbox framework code. |
| Suman Anna | c869c75 | 2013-03-12 17:55:29 -0500 | [diff] [blame] | 25 | |
| 26 | config OMAP2PLUS_MBOX |
| 27 | tristate "OMAP2+ Mailbox framework support" |
| 28 | depends on ARCH_OMAP2PLUS |
| 29 | select OMAP_MBOX |
| 30 | help |
| 31 | Mailbox implementation for OMAP family chips with hardware for |
| 32 | interprocessor communication involving DSP, IVA1.0 and IVA2 in |
| 33 | OMAP2/3; or IPU, IVA HD and DSP in OMAP4/5. Say Y here if you |
| 34 | want to use OMAP2+ Mailbox framework support. |
| 35 | |
| 36 | config OMAP_MBOX_KFIFO_SIZE |
| 37 | int "Mailbox kfifo default buffer size (bytes)" |
| Suman Anna | 7985909 | 2014-06-24 19:43:38 -0500 | [diff] [blame^] | 38 | depends on OMAP2PLUS_MBOX |
| Suman Anna | c869c75 | 2013-03-12 17:55:29 -0500 | [diff] [blame] | 39 | default 256 |
| 40 | help |
| 41 | Specify the default size of mailbox's kfifo buffers (bytes). |
| 42 | This can also be changed at runtime (via the mbox_kfifo_size |
| 43 | module parameter). |
| Rob Herring | 3005867 | 2013-01-28 16:13:14 +0000 | [diff] [blame] | 44 | endif |