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 "ARM MHU Mailbox"
15 Say Y here if you want to build the ARM MHU controller driver.
16 The controller has 3 mailbox channels, the last of which can be
17 used in Secure mode only.
20 tristate "ARM MHUv2 Mailbox"
23 Say Y here if you want to build the ARM MHUv2 controller driver,
24 which provides unidirectional mailboxes between processing elements.
27 tristate "ARM MHUv3 Mailbox"
28 depends on ARM64 || COMPILE_TEST
29 depends on HAS_IOMEM || COMPILE_TEST
32 Say Y here if you want to build the ARM MHUv3 controller driver,
33 which provides unidirectional mailboxes between processing elements.
35 ARM MHUv3 controllers can implement a varying number of extensions
36 that provides different means of transports: supported extensions
37 will be discovered and possibly managed at probe-time.
40 tristate "Exynos Mailbox"
41 depends on ARCH_EXYNOS || COMPILE_TEST
43 Say Y here if you want to build the Samsung Exynos Mailbox controller
44 driver. The controller has 16 flag bits for hardware interrupt
45 generation and a shared register for passing mailbox messages.
46 When the controller is used by the ACPM interface the shared register
47 is ignored and the mailbox controller acts as a doorbell that raises
48 the interrupt to the ACPM firmware.
51 tristate "i.MX Mailbox"
52 depends on ARCH_MXC || COMPILE_TEST
54 Mailbox implementation for i.MX Messaging Unit (MU).
57 tristate "Platform MHU Mailbox"
61 Say Y here if you want to build a platform specific variant MHU
63 The controller has a maximum of 3 mailbox channels, the last of
64 which can be used in Secure mode only.
67 bool "ARM PL320 Mailbox"
70 An implementation of the ARM PL320 Interprocessor Communication
71 Mailbox (IPCM), tailored for the Calxeda Highbank. It is used to
72 send short messages between Highbank's A9 cores and the EnergyCore
73 Management Engine, primarily for cpufreq. Say Y here if you want
74 to use the PL320 IPCM support.
76 config ARMADA_37XX_RWTM_MBOX
77 tristate "Armada 37xx rWTM BIU Mailbox"
78 depends on ARCH_MVEBU || COMPILE_TEST
81 Mailbox implementation for communication with the the firmware
82 running on the Cortex-M3 rWTM secure processor of the Armada 37xx
83 SOC. Say Y here if you are building for such a device (for example
84 the Turris Mox router).
87 tristate "OMAP2+ Mailbox framework support"
88 depends on ARCH_OMAP2PLUS || ARCH_K3 || COMPILE_TEST
90 Mailbox implementation for OMAP family chips with hardware for
91 interprocessor communication involving DSP, IVA1.0 and IVA2 in
92 OMAP2/3; or IPU, IVA HD and DSP in OMAP4/5. Say Y here if you
93 want to use OMAP2+ Mailbox framework support.
96 bool "Rockchip Soc Integrated Mailbox Support"
97 depends on ARCH_ROCKCHIP || COMPILE_TEST
99 This driver provides support for inter-processor communication
100 between CPU cores and MCU processor on Some Rockchip SOCs.
101 Please check it that the Soc you use have Mailbox hardware.
102 Say Y here if you want to use the Rockchip Mailbox support.
105 bool "Platform Communication Channel Driver"
109 ACPI 5.0+ spec defines a generic mode of communication
110 between the OS and a platform such as the BMC. This medium
111 (PCC) is typically used by CPPC (ACPI CPU Performance management),
112 RAS (ACPI reliability protocol) and MPST (ACPI Memory power
113 states). Select this driver if your platform implements the
114 PCC clients mentioned above.
117 tristate "Altera Mailbox"
120 An implementation of the Altera Mailbox soft core. It is used
121 to send message between processors. Say Y here if you want to use the
122 Altera mailbox support.
125 tristate "BCM2835 Mailbox"
126 depends on ARCH_BCM2835
128 An implementation of the BCM2385 Mailbox. It is used to invoke
129 the services of the Videocore. Say Y here if you want to use the
133 tristate "STI Mailbox framework support"
134 depends on ARCH_STI && OF
136 Mailbox implementation for STMicroelectonics family chips with
137 hardware for interprocessor communication.
139 config TI_MESSAGE_MANAGER
140 tristate "Texas Instruments Message Manager Driver"
141 depends on ARCH_KEYSTONE || ARCH_K3 || COMPILE_TEST
144 An implementation of Message Manager slave driver for Keystone
145 and K3 architecture SoCs from Texas Instruments. Message Manager
146 is a communication entity found on few of Texas Instrument's keystone
147 and K3 architecture SoCs. These may be used for communication between
148 multiple processors within the SoC. Select this driver if your
149 platform has support for the hardware block.
152 tristate "Hi3660 Mailbox" if EXPERT
153 depends on (ARCH_HISI || COMPILE_TEST)
157 An implementation of the hi3660 mailbox. It is used to send message
158 between application processors and other processors/MCU/DSP. Select
159 Y here if you want to use Hi3660 mailbox controller.
162 tristate "Hi6220 Mailbox" if EXPERT
163 depends on (ARCH_HISI || COMPILE_TEST)
167 An implementation of the hi6220 mailbox. It is used to send message
168 between application processors and MCU. Say Y here if you want to
169 build Hi6220 mailbox controller driver.
172 tristate "Mailbox Test Client"
176 Test client to help with testing new Controller driver
179 config POLARFIRE_SOC_MAILBOX
180 tristate "PolarFire SoC (MPFS) Mailbox"
182 depends on MFD_SYSCON
183 depends on ARCH_MICROCHIP_POLARFIRE || COMPILE_TEST
185 This driver adds support for the PolarFire SoC (MPFS) mailbox controller.
187 To compile this driver as a module, choose M here. the
188 module will be called mailbox-mpfs.
192 config MCHP_SBI_IPC_MBOX
193 tristate "Microchip Inter-processor Communication (IPC) SBI driver"
194 depends on RISCV_SBI || COMPILE_TEST
195 depends on ARCH_MICROCHIP
197 Mailbox implementation for Microchip devices with an
198 Inter-process communication (IPC) controller.
200 To compile this driver as a module, choose M here. the
201 module will be called mailbox-mchp-ipc-sbi.
206 tristate "Qualcomm APCS IPC driver"
207 depends on ARCH_QCOM || COMPILE_TEST
209 Say y here to enable support for the APCS IPC mailbox driver,
210 providing an interface for invoking the inter-process communication
211 signals from the application processor to other masters.
213 config TEGRA_HSP_MBOX
214 bool "Tegra HSP (Hardware Synchronization Primitives) Driver"
215 depends on ARCH_TEGRA
217 The Tegra HSP driver is used for the interprocessor communication
218 between different remote processors and host processors on Tegra186
219 and later SoCs. Say Y here if you want to have this support.
222 config XGENE_SLIMPRO_MBOX
223 tristate "APM SoC X-Gene SLIMpro Mailbox Controller"
224 depends on ARCH_XGENE
226 An implementation of the APM X-Gene Interprocessor Communication
227 Mailbox (IPCM) between the ARM 64-bit cores and SLIMpro controller.
228 It is used to send short messages between ARM64-bit cores and
229 the SLIMpro Management Engine, primarily for PM. Say Y here if you
230 want to use the APM X-Gene SLIMpro IPCM support.
233 tristate "Broadcom FlexSparx DMA Mailbox"
234 depends on ARCH_BCM_IPROC || COMPILE_TEST
236 Mailbox implementation for the Broadcom FlexSparx DMA ring manager,
237 which provides access to various offload engines on Broadcom
238 SoCs, including FA2/FA+ on Northstar Plus and PDC on Northstar 2.
240 config BCM_FLEXRM_MBOX
241 tristate "Broadcom FlexRM Mailbox"
243 depends on ARCH_BCM_IPROC || COMPILE_TEST
244 select GENERIC_MSI_IRQ
245 default m if ARCH_BCM_IPROC
247 Mailbox implementation of the Broadcom FlexRM ring manager,
248 which provides access to various offload engines on Broadcom
249 SoCs. Say Y here if you want to use the Broadcom FlexRM.
252 tristate "STM32 IPCC Mailbox"
253 depends on MACH_STM32MP157 || COMPILE_TEST
255 Mailbox implementation for STMicroelectonics STM32 family chips
256 with hardware for Inter-Processor Communication Controller (IPCC)
257 between processors. Say Y here if you want to have this support.
260 tristate "MediaTek ADSP Mailbox Controller"
261 depends on ARCH_MEDIATEK || COMPILE_TEST
263 Say yes here to add support for "MediaTek ADSP Mailbox Controller.
264 This mailbox driver is used to send notification or short message
265 between processors with ADSP. It will place the message to share
266 buffer and will access the ipc control.
269 tristate "MediaTek CMDQ Mailbox Support"
270 depends on ARCH_MEDIATEK || COMPILE_TEST
273 Say yes here to add support for the MediaTek Command Queue (CMDQ)
274 mailbox driver. The CMDQ is used to help read/write registers with
275 critical time limitation, such as updating display configuration
278 config ZYNQMP_IPI_MBOX
279 tristate "Xilinx ZynqMP IPI Mailbox"
280 depends on ARCH_ZYNQMP && OF
282 Say yes here to add support for Xilinx IPI mailbox driver.
283 This mailbox driver is used to send notification or short message
284 between processors with Xilinx ZynqMP IPI. It will place the
285 message to the IPI buffer and will access the IPI control
286 registers to kick the other processor or enquire status.
289 tristate "Allwinner sun6i/sun8i/sun9i/sun50i Message Box"
290 depends on ARCH_SUNXI || COMPILE_TEST
293 Mailbox implementation for the hardware message box present in
294 various Allwinner SoCs. This mailbox is used for communication
295 between the application CPUs and the power management coprocessor.
298 tristate "Spreadtrum Mailbox"
299 depends on ARCH_SPRD || COMPILE_TEST
301 Mailbox driver implementation for the Spreadtrum platform. It is used
302 to send message between application processors and MCU. Say Y here if
303 you want to build the Spreatrum mailbox controller driver.
305 config QCOM_CPUCP_MBOX
306 tristate "Qualcomm Technologies, Inc. CPUCP mailbox driver"
307 depends on (ARCH_QCOM || COMPILE_TEST) && 64BIT
309 Qualcomm Technologies, Inc. CPUSS Control Processor (CPUCP) mailbox
310 controller driver enables communication between AP and CPUCP. Say
311 Y here if you want to build this driver.
314 tristate "Qualcomm Technologies, Inc. IPCC driver"
315 depends on ARCH_QCOM || COMPILE_TEST
317 Qualcomm Technologies, Inc. Inter-Processor Communication Controller
318 (IPCC) driver for MSM devices. The driver provides mailbox support for
319 sending interrupts to the clients. On the other hand, the driver also
320 acts as an interrupt controller for receiving interrupts from clients.
321 Say Y here if you want to build this driver.
323 config THEAD_TH1520_MBOX
324 tristate "T-head TH1520 Mailbox"
325 depends on ARCH_THEAD || COMPILE_TEST
327 Mailbox driver implementation for the Thead TH-1520 platform. Enables
328 two cores within the SoC to communicate and coordinate by passing
329 messages. Could be used to communicate between E910 core, on which the
330 kernel is running, and E902 core used for power management among other