1 # SPDX-License-Identifier: GPL-2.0-only
3 bool "Mailbox Hardware Support"
5 Mailbox is a framework to control hardware communication between
6 on-chip processors through queued messages and interrupt driven
7 signals. Say Y if your platform supports hardware mailboxes.
12 tristate "Apple Mailbox driver"
13 depends on ARCH_APPLE || (ARM64 && COMPILE_TEST)
16 Apple SoCs have various co-processors required for certain
17 peripherals to work (NVMe, display controller, etc.). This
18 driver adds support for the mailbox controller used to
19 communicate with those.
21 Say Y here if you have a Apple SoC.
24 tristate "ARM MHU Mailbox"
27 Say Y here if you want to build the ARM MHU controller driver.
28 The controller has 3 mailbox channels, the last of which can be
29 used in Secure mode only.
32 tristate "ARM MHUv2 Mailbox"
35 Say Y here if you want to build the ARM MHUv2 controller driver,
36 which provides unidirectional mailboxes between processing elements.
39 tristate "i.MX Mailbox"
40 depends on ARCH_MXC || COMPILE_TEST
42 Mailbox implementation for i.MX Messaging Unit (MU).
45 tristate "Platform MHU Mailbox"
49 Say Y here if you want to build a platform specific variant MHU
51 The controller has a maximum of 3 mailbox channels, the last of
52 which can be used in Secure mode only.
55 bool "ARM PL320 Mailbox"
58 An implementation of the ARM PL320 Interprocessor Communication
59 Mailbox (IPCM), tailored for the Calxeda Highbank. It is used to
60 send short messages between Highbank's A9 cores and the EnergyCore
61 Management Engine, primarily for cpufreq. Say Y here if you want
62 to use the PL320 IPCM support.
64 config ARMADA_37XX_RWTM_MBOX
65 tristate "Armada 37xx rWTM BIU Mailbox"
66 depends on ARCH_MVEBU || COMPILE_TEST
69 Mailbox implementation for communication with the the firmware
70 running on the Cortex-M3 rWTM secure processor of the Armada 37xx
71 SOC. Say Y here if you are building for such a device (for example
72 the Turris Mox router).
75 tristate "OMAP2+ Mailbox framework support"
76 depends on ARCH_OMAP2PLUS || ARCH_K3
78 Mailbox implementation for OMAP family chips with hardware for
79 interprocessor communication involving DSP, IVA1.0 and IVA2 in
80 OMAP2/3; or IPU, IVA HD and DSP in OMAP4/5. Say Y here if you
81 want to use OMAP2+ Mailbox framework support.
83 config OMAP_MBOX_KFIFO_SIZE
84 int "Mailbox kfifo default buffer size (bytes)"
85 depends on OMAP2PLUS_MBOX
88 Specify the default size of mailbox's kfifo buffers (bytes).
89 This can also be changed at runtime (via the mbox_kfifo_size
93 bool "Rockchip Soc Integrated Mailbox Support"
94 depends on ARCH_ROCKCHIP || COMPILE_TEST
96 This driver provides support for inter-processor communication
97 between CPU cores and MCU processor on Some Rockchip SOCs.
98 Please check it that the Soc you use have Mailbox hardware.
99 Say Y here if you want to use the Rockchip Mailbox support.
102 bool "Platform Communication Channel Driver"
106 ACPI 5.0+ spec defines a generic mode of communication
107 between the OS and a platform such as the BMC. This medium
108 (PCC) is typically used by CPPC (ACPI CPU Performance management),
109 RAS (ACPI reliability protocol) and MPST (ACPI Memory power
110 states). Select this driver if your platform implements the
111 PCC clients mentioned above.
114 tristate "Altera Mailbox"
117 An implementation of the Altera Mailbox soft core. It is used
118 to send message between processors. Say Y here if you want to use the
119 Altera mailbox support.
122 tristate "BCM2835 Mailbox"
123 depends on ARCH_BCM2835
125 An implementation of the BCM2385 Mailbox. It is used to invoke
126 the services of the Videocore. Say Y here if you want to use the
130 tristate "STI Mailbox framework support"
131 depends on ARCH_STI && OF
133 Mailbox implementation for STMicroelectonics family chips with
134 hardware for interprocessor communication.
136 config TI_MESSAGE_MANAGER
137 tristate "Texas Instruments Message Manager Driver"
138 depends on ARCH_KEYSTONE || ARCH_K3
141 An implementation of Message Manager slave driver for Keystone
142 and K3 architecture SoCs from Texas Instruments. Message Manager
143 is a communication entity found on few of Texas Instrument's keystone
144 and K3 architecture SoCs. These may be used for communication between
145 multiple processors within the SoC. Select this driver if your
146 platform has support for the hardware block.
149 tristate "Hi3660 Mailbox" if EXPERT
150 depends on (ARCH_HISI || COMPILE_TEST)
154 An implementation of the hi3660 mailbox. It is used to send message
155 between application processors and other processors/MCU/DSP. Select
156 Y here if you want to use Hi3660 mailbox controller.
159 tristate "Hi6220 Mailbox" if EXPERT
160 depends on (ARCH_HISI || COMPILE_TEST)
164 An implementation of the hi6220 mailbox. It is used to send message
165 between application processors and MCU. Say Y here if you want to
166 build Hi6220 mailbox controller driver.
169 tristate "Mailbox Test Client"
173 Test client to help with testing new Controller driver
176 config POLARFIRE_SOC_MAILBOX
177 tristate "PolarFire SoC (MPFS) Mailbox"
179 depends on SOC_MICROCHIP_POLARFIRE || COMPILE_TEST
181 This driver adds support for the PolarFire SoC (MPFS) mailbox controller.
183 To compile this driver as a module, choose M here. the
184 module will be called mailbox-mpfs.
189 tristate "Qualcomm APCS IPC driver"
190 depends on ARCH_QCOM || COMPILE_TEST
192 Say y here to enable support for the APCS IPC mailbox driver,
193 providing an interface for invoking the inter-process communication
194 signals from the application processor to other masters.
196 config TEGRA_HSP_MBOX
197 bool "Tegra HSP (Hardware Synchronization Primitives) Driver"
198 depends on ARCH_TEGRA
200 The Tegra HSP driver is used for the interprocessor communication
201 between different remote processors and host processors on Tegra186
202 and later SoCs. Say Y here if you want to have this support.
205 config XGENE_SLIMPRO_MBOX
206 tristate "APM SoC X-Gene SLIMpro Mailbox Controller"
207 depends on ARCH_XGENE
209 An implementation of the APM X-Gene Interprocessor Communication
210 Mailbox (IPCM) between the ARM 64-bit cores and SLIMpro controller.
211 It is used to send short messages between ARM64-bit cores and
212 the SLIMpro Management Engine, primarily for PM. Say Y here if you
213 want to use the APM X-Gene SLIMpro IPCM support.
216 tristate "Broadcom FlexSparx DMA Mailbox"
217 depends on ARCH_BCM_IPROC || COMPILE_TEST
219 Mailbox implementation for the Broadcom FlexSparx DMA ring manager,
220 which provides access to various offload engines on Broadcom
221 SoCs, including FA2/FA+ on Northstar Plus and PDC on Northstar 2.
223 config BCM_FLEXRM_MBOX
224 tristate "Broadcom FlexRM Mailbox"
226 depends on ARCH_BCM_IPROC || COMPILE_TEST
227 select GENERIC_MSI_IRQ
228 default m if ARCH_BCM_IPROC
230 Mailbox implementation of the Broadcom FlexRM ring manager,
231 which provides access to various offload engines on Broadcom
232 SoCs. Say Y here if you want to use the Broadcom FlexRM.
235 tristate "STM32 IPCC Mailbox"
236 depends on MACH_STM32MP157 || COMPILE_TEST
238 Mailbox implementation for STMicroelectonics STM32 family chips
239 with hardware for Inter-Processor Communication Controller (IPCC)
240 between processors. Say Y here if you want to have this support.
243 tristate "MediaTek ADSP Mailbox Controller"
244 depends on ARCH_MEDIATEK || COMPILE_TEST
246 Say yes here to add support for "MediaTek ADSP Mailbox Controller.
247 This mailbox driver is used to send notification or short message
248 between processors with ADSP. It will place the message to share
249 buffer and will access the ipc control.
252 tristate "MediaTek CMDQ Mailbox Support"
253 depends on ARCH_MEDIATEK || COMPILE_TEST
256 Say yes here to add support for the MediaTek Command Queue (CMDQ)
257 mailbox driver. The CMDQ is used to help read/write registers with
258 critical time limitation, such as updating display configuration
261 config ZYNQMP_IPI_MBOX
262 bool "Xilinx ZynqMP IPI Mailbox"
263 depends on ARCH_ZYNQMP && OF
265 Say yes here to add support for Xilinx IPI mailbox driver.
266 This mailbox driver is used to send notification or short message
267 between processors with Xilinx ZynqMP IPI. It will place the
268 message to the IPI buffer and will access the IPI control
269 registers to kick the other processor or enquire status.
272 tristate "Allwinner sun6i/sun8i/sun9i/sun50i Message Box"
273 depends on ARCH_SUNXI || COMPILE_TEST
276 Mailbox implementation for the hardware message box present in
277 various Allwinner SoCs. This mailbox is used for communication
278 between the application CPUs and the power management coprocessor.
281 tristate "Spreadtrum Mailbox"
282 depends on ARCH_SPRD || COMPILE_TEST
284 Mailbox driver implementation for the Spreadtrum platform. It is used
285 to send message between application processors and MCU. Say Y here if
286 you want to build the Spreatrum mailbox controller driver.
289 tristate "Qualcomm Technologies, Inc. IPCC driver"
290 depends on ARCH_QCOM || COMPILE_TEST
292 Qualcomm Technologies, Inc. Inter-Processor Communication Controller
293 (IPCC) driver for MSM devices. The driver provides mailbox support for
294 sending interrupts to the clients. On the other hand, the driver also
295 acts as an interrupt controller for receiving interrupts from clients.
296 Say Y here if you want to build this driver.