1menuconfig 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 9 10config ARM_MHU 11 tristate "ARM MHU Mailbox" 12 depends on ARM_AMBA 13 help 14 Say Y here if you want to build the ARM MHU controller driver. 15 The controller has 3 mailbox channels, the last of which can be 16 used in Secure mode only. 17 18config PL320_MBOX 19 bool "ARM PL320 Mailbox" 20 depends on ARM_AMBA 21 help 22 An implementation of the ARM PL320 Interprocessor Communication 23 Mailbox (IPCM), tailored for the Calxeda Highbank. It is used to 24 send short messages between Highbank's A9 cores and the EnergyCore 25 Management Engine, primarily for cpufreq. Say Y here if you want 26 to use the PL320 IPCM support. 27 28config OMAP2PLUS_MBOX 29 tristate "OMAP2+ Mailbox framework support" 30 depends on ARCH_OMAP2PLUS 31 help 32 Mailbox implementation for OMAP family chips with hardware for 33 interprocessor communication involving DSP, IVA1.0 and IVA2 in 34 OMAP2/3; or IPU, IVA HD and DSP in OMAP4/5. Say Y here if you 35 want to use OMAP2+ Mailbox framework support. 36 37config OMAP_MBOX_KFIFO_SIZE 38 int "Mailbox kfifo default buffer size (bytes)" 39 depends on OMAP2PLUS_MBOX 40 default 256 41 help 42 Specify the default size of mailbox's kfifo buffers (bytes). 43 This can also be changed at runtime (via the mbox_kfifo_size 44 module parameter). 45 46config ROCKCHIP_MBOX 47 bool "Rockchip Soc Intergrated Mailbox Support" 48 depends on ARCH_ROCKCHIP || COMPILE_TEST 49 help 50 This driver provides support for inter-processor communication 51 between CPU cores and MCU processor on Some Rockchip SOCs. 52 Please check it that the Soc you use have Mailbox hardware. 53 Say Y here if you want to use the Rockchip Mailbox support. 54 55config PCC 56 bool "Platform Communication Channel Driver" 57 depends on ACPI 58 default n 59 help 60 ACPI 5.0+ spec defines a generic mode of communication 61 between the OS and a platform such as the BMC. This medium 62 (PCC) is typically used by CPPC (ACPI CPU Performance management), 63 RAS (ACPI reliability protocol) and MPST (ACPI Memory power 64 states). Select this driver if your platform implements the 65 PCC clients mentioned above. 66 67config ALTERA_MBOX 68 tristate "Altera Mailbox" 69 depends on HAS_IOMEM 70 help 71 An implementation of the Altera Mailbox soft core. It is used 72 to send message between processors. Say Y here if you want to use the 73 Altera mailbox support. 74 75config BCM2835_MBOX 76 tristate "BCM2835 Mailbox" 77 depends on ARCH_BCM2835 78 help 79 An implementation of the BCM2385 Mailbox. It is used to invoke 80 the services of the Videocore. Say Y here if you want to use the 81 BCM2835 Mailbox. 82 83config STI_MBOX 84 tristate "STI Mailbox framework support" 85 depends on ARCH_STI && OF 86 help 87 Mailbox implementation for STMicroelectonics family chips with 88 hardware for interprocessor communication. 89 90config TI_MESSAGE_MANAGER 91 tristate "Texas Instruments Message Manager Driver" 92 depends on ARCH_KEYSTONE 93 help 94 An implementation of Message Manager slave driver for Keystone 95 architecture SoCs from Texas Instruments. Message Manager is a 96 communication entity found on few of Texas Instrument's keystone 97 architecture SoCs. These may be used for communication between 98 multiple processors within the SoC. Select this driver if your 99 platform has support for the hardware block. 100 101config HI6220_MBOX 102 tristate "Hi6220 Mailbox" 103 depends on ARCH_HISI 104 help 105 An implementation of the hi6220 mailbox. It is used to send message 106 between application processors and MCU. Say Y here if you want to 107 build Hi6220 mailbox controller driver. 108 109config MAILBOX_TEST 110 tristate "Mailbox Test Client" 111 depends on OF 112 depends on HAS_IOMEM 113 help 114 Test client to help with testing new Controller driver 115 implementations. 116 117config XGENE_SLIMPRO_MBOX 118 tristate "APM SoC X-Gene SLIMpro Mailbox Controller" 119 depends on ARCH_XGENE 120 help 121 An implementation of the APM X-Gene Interprocessor Communication 122 Mailbox (IPCM) between the ARM 64-bit cores and SLIMpro controller. 123 It is used to send short messages between ARM64-bit cores and 124 the SLIMpro Management Engine, primarily for PM. Say Y here if you 125 want to use the APM X-Gene SLIMpro IPCM support. 126 127config BCM_PDC_MBOX 128 tristate "Broadcom PDC Mailbox" 129 depends on ARM64 || COMPILE_TEST 130 default ARCH_BCM_IPROC 131 help 132 Mailbox implementation for the Broadcom PDC ring manager, 133 which provides access to various offload engines on Broadcom 134 SoCs. Say Y here if you want to use the Broadcom PDC. 135endif 136