| # SPDX-License-Identifier: GPL-2.0-only |
| 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 APPLE_MAILBOX |
| tristate "Apple Mailbox driver" |
| depends on ARCH_APPLE || (ARM64 && COMPILE_TEST) |
| default ARCH_APPLE |
| help |
| Apple SoCs have various co-processors required for certain |
| peripherals to work (NVMe, display controller, etc.). This |
| driver adds support for the mailbox controller used to |
| communicate with those. |
| |
| Say Y here if you have a Apple SoC. |
| |
| config ARM_MHU |
| tristate "ARM MHU Mailbox" |
| depends on ARM_AMBA |
| help |
| Say Y here if you want to build the ARM MHU controller driver. |
| The controller has 3 mailbox channels, the last of which can be |
| used in Secure mode only. |
| |
| config ARM_MHU_V2 |
| tristate "ARM MHUv2 Mailbox" |
| depends on ARM_AMBA |
| help |
| Say Y here if you want to build the ARM MHUv2 controller driver, |
| which provides unidirectional mailboxes between processing elements. |
| |
| config IMX_MBOX |
| tristate "i.MX Mailbox" |
| depends on ARCH_MXC || COMPILE_TEST |
| help |
| Mailbox implementation for i.MX Messaging Unit (MU). |
| |
| config PLATFORM_MHU |
| tristate "Platform MHU Mailbox" |
| depends on OF |
| depends on HAS_IOMEM |
| help |
| Say Y here if you want to build a platform specific variant MHU |
| controller driver. |
| The controller has a maximum of 3 mailbox channels, the last of |
| which can be used in Secure mode only. |
| |
| 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 ARMADA_37XX_RWTM_MBOX |
| tristate "Armada 37xx rWTM BIU Mailbox" |
| depends on ARCH_MVEBU || COMPILE_TEST |
| depends on OF |
| help |
| Mailbox implementation for communication with the the firmware |
| running on the Cortex-M3 rWTM secure processor of the Armada 37xx |
| SOC. Say Y here if you are building for such a device (for example |
| the Turris Mox router). |
| |
| config OMAP2PLUS_MBOX |
| tristate "OMAP2+ Mailbox framework support" |
| depends on ARCH_OMAP2PLUS || ARCH_K3 |
| 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 |
| 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). |
| |
| config ROCKCHIP_MBOX |
| bool "Rockchip Soc Integrated Mailbox Support" |
| depends on ARCH_ROCKCHIP || COMPILE_TEST |
| help |
| This driver provides support for inter-processor communication |
| between CPU cores and MCU processor on Some Rockchip SOCs. |
| Please check it that the Soc you use have Mailbox hardware. |
| Say Y here if you want to use the Rockchip Mailbox support. |
| |
| config PCC |
| bool "Platform Communication Channel Driver" |
| depends on ACPI |
| default n |
| help |
| ACPI 5.0+ spec defines a generic mode of communication |
| between the OS and a platform such as the BMC. This medium |
| (PCC) is typically used by CPPC (ACPI CPU Performance management), |
| RAS (ACPI reliability protocol) and MPST (ACPI Memory power |
| states). Select this driver if your platform implements the |
| PCC clients mentioned above. |
| |
| config ALTERA_MBOX |
| tristate "Altera Mailbox" |
| depends on HAS_IOMEM |
| help |
| An implementation of the Altera Mailbox soft core. It is used |
| to send message between processors. Say Y here if you want to use the |
| Altera mailbox support. |
| |
| config BCM2835_MBOX |
| tristate "BCM2835 Mailbox" |
| depends on ARCH_BCM2835 |
| help |
| An implementation of the BCM2385 Mailbox. It is used to invoke |
| the services of the Videocore. Say Y here if you want to use the |
| BCM2835 Mailbox. |
| |
| config STI_MBOX |
| tristate "STI Mailbox framework support" |
| depends on ARCH_STI && OF |
| help |
| Mailbox implementation for STMicroelectonics family chips with |
| hardware for interprocessor communication. |
| |
| config TI_MESSAGE_MANAGER |
| tristate "Texas Instruments Message Manager Driver" |
| depends on ARCH_KEYSTONE || ARCH_K3 |
| default ARCH_K3 |
| help |
| An implementation of Message Manager slave driver for Keystone |
| and K3 architecture SoCs from Texas Instruments. Message Manager |
| is a communication entity found on few of Texas Instrument's keystone |
| and K3 architecture SoCs. These may be used for communication between |
| multiple processors within the SoC. Select this driver if your |
| platform has support for the hardware block. |
| |
| config HI3660_MBOX |
| tristate "Hi3660 Mailbox" if EXPERT |
| depends on (ARCH_HISI || COMPILE_TEST) |
| depends on OF |
| default ARCH_HISI |
| help |
| An implementation of the hi3660 mailbox. It is used to send message |
| between application processors and other processors/MCU/DSP. Select |
| Y here if you want to use Hi3660 mailbox controller. |
| |
| config HI6220_MBOX |
| tristate "Hi6220 Mailbox" if EXPERT |
| depends on (ARCH_HISI || COMPILE_TEST) |
| depends on OF |
| default ARCH_HISI |
| help |
| An implementation of the hi6220 mailbox. It is used to send message |
| between application processors and MCU. Say Y here if you want to |
| build Hi6220 mailbox controller driver. |
| |
| config MAILBOX_TEST |
| tristate "Mailbox Test Client" |
| depends on OF |
| depends on HAS_IOMEM |
| help |
| Test client to help with testing new Controller driver |
| implementations. |
| |
| config POLARFIRE_SOC_MAILBOX |
| tristate "PolarFire SoC (MPFS) Mailbox" |
| depends on HAS_IOMEM |
| depends on ARCH_MICROCHIP_POLARFIRE || COMPILE_TEST |
| help |
| This driver adds support for the PolarFire SoC (MPFS) mailbox controller. |
| |
| To compile this driver as a module, choose M here. the |
| module will be called mailbox-mpfs. |
| |
| If unsure, say N. |
| |
| config QCOM_APCS_IPC |
| tristate "Qualcomm APCS IPC driver" |
| depends on ARCH_QCOM || COMPILE_TEST |
| help |
| Say y here to enable support for the APCS IPC mailbox driver, |
| providing an interface for invoking the inter-process communication |
| signals from the application processor to other masters. |
| |
| config TEGRA_HSP_MBOX |
| bool "Tegra HSP (Hardware Synchronization Primitives) Driver" |
| depends on ARCH_TEGRA |
| help |
| The Tegra HSP driver is used for the interprocessor communication |
| between different remote processors and host processors on Tegra186 |
| and later SoCs. Say Y here if you want to have this support. |
| If unsure say N. |
| |
| config XGENE_SLIMPRO_MBOX |
| tristate "APM SoC X-Gene SLIMpro Mailbox Controller" |
| depends on ARCH_XGENE |
| help |
| An implementation of the APM X-Gene Interprocessor Communication |
| Mailbox (IPCM) between the ARM 64-bit cores and SLIMpro controller. |
| It is used to send short messages between ARM64-bit cores and |
| the SLIMpro Management Engine, primarily for PM. Say Y here if you |
| want to use the APM X-Gene SLIMpro IPCM support. |
| |
| config BCM_PDC_MBOX |
| tristate "Broadcom FlexSparx DMA Mailbox" |
| depends on ARCH_BCM_IPROC || COMPILE_TEST |
| help |
| Mailbox implementation for the Broadcom FlexSparx DMA ring manager, |
| which provides access to various offload engines on Broadcom |
| SoCs, including FA2/FA+ on Northstar Plus and PDC on Northstar 2. |
| |
| config BCM_FLEXRM_MBOX |
| tristate "Broadcom FlexRM Mailbox" |
| depends on ARM64 |
| depends on ARCH_BCM_IPROC || COMPILE_TEST |
| select GENERIC_MSI_IRQ |
| default m if ARCH_BCM_IPROC |
| help |
| Mailbox implementation of the Broadcom FlexRM ring manager, |
| which provides access to various offload engines on Broadcom |
| SoCs. Say Y here if you want to use the Broadcom FlexRM. |
| |
| config STM32_IPCC |
| tristate "STM32 IPCC Mailbox" |
| depends on MACH_STM32MP157 || COMPILE_TEST |
| help |
| Mailbox implementation for STMicroelectonics STM32 family chips |
| with hardware for Inter-Processor Communication Controller (IPCC) |
| between processors. Say Y here if you want to have this support. |
| |
| config MTK_ADSP_MBOX |
| tristate "MediaTek ADSP Mailbox Controller" |
| depends on ARCH_MEDIATEK || COMPILE_TEST |
| help |
| Say yes here to add support for "MediaTek ADSP Mailbox Controller. |
| This mailbox driver is used to send notification or short message |
| between processors with ADSP. It will place the message to share |
| buffer and will access the ipc control. |
| |
| config MTK_CMDQ_MBOX |
| tristate "MediaTek CMDQ Mailbox Support" |
| depends on ARCH_MEDIATEK || COMPILE_TEST |
| select MTK_INFRACFG |
| help |
| Say yes here to add support for the MediaTek Command Queue (CMDQ) |
| mailbox driver. The CMDQ is used to help read/write registers with |
| critical time limitation, such as updating display configuration |
| during the vblank. |
| |
| config ZYNQMP_IPI_MBOX |
| tristate "Xilinx ZynqMP IPI Mailbox" |
| depends on ARCH_ZYNQMP && OF |
| help |
| Say yes here to add support for Xilinx IPI mailbox driver. |
| This mailbox driver is used to send notification or short message |
| between processors with Xilinx ZynqMP IPI. It will place the |
| message to the IPI buffer and will access the IPI control |
| registers to kick the other processor or enquire status. |
| |
| config SUN6I_MSGBOX |
| tristate "Allwinner sun6i/sun8i/sun9i/sun50i Message Box" |
| depends on ARCH_SUNXI || COMPILE_TEST |
| default ARCH_SUNXI |
| help |
| Mailbox implementation for the hardware message box present in |
| various Allwinner SoCs. This mailbox is used for communication |
| between the application CPUs and the power management coprocessor. |
| |
| config SPRD_MBOX |
| tristate "Spreadtrum Mailbox" |
| depends on ARCH_SPRD || COMPILE_TEST |
| help |
| Mailbox driver implementation for the Spreadtrum platform. It is used |
| to send message between application processors and MCU. Say Y here if |
| you want to build the Spreatrum mailbox controller driver. |
| |
| config QCOM_IPCC |
| tristate "Qualcomm Technologies, Inc. IPCC driver" |
| depends on ARCH_QCOM || COMPILE_TEST |
| help |
| Qualcomm Technologies, Inc. Inter-Processor Communication Controller |
| (IPCC) driver for MSM devices. The driver provides mailbox support for |
| sending interrupts to the clients. On the other hand, the driver also |
| acts as an interrupt controller for receiving interrupts from clients. |
| Say Y here if you want to build this driver. |
| |
| endif |
