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 "i.MX Mailbox"
41 depends on ARCH_MXC || COMPILE_TEST
43 Mailbox implementation for i.MX Messaging Unit (MU).
46 tristate "Platform MHU Mailbox"
50 Say Y here if you want to build a platform specific variant MHU
52 The controller has a maximum of 3 mailbox channels, the last of
53 which can be used in Secure mode only.
56 bool "ARM PL320 Mailbox"
59 An implementation of the ARM PL320 Interprocessor Communication
60 Mailbox (IPCM), tailored for the Calxeda Highbank. It is used to
61 send short messages between Highbank's A9 cores and the EnergyCore
62 Management Engine, primarily for cpufreq. Say Y here if you want
63 to use the PL320 IPCM support.
65 config ARMADA_37XX_RWTM_MBOX
66 tristate "Armada 37xx rWTM BIU Mailbox"
67 depends on ARCH_MVEBU || COMPILE_TEST
70 Mailbox implementation for communication with the the firmware
71 running on the Cortex-M3 rWTM secure processor of the Armada 37xx
72 SOC. Say Y here if you are building for such a device (for example
73 the Turris Mox router).
76 tristate "OMAP2+ Mailbox framework support"
77 depends on ARCH_OMAP2PLUS || ARCH_K3 || COMPILE_TEST
79 Mailbox implementation for OMAP family chips with hardware for
80 interprocessor communication involving DSP, IVA1.0 and IVA2 in
81 OMAP2/3; or IPU, IVA HD and DSP in OMAP4/5. Say Y here if you
82 want to use OMAP2+ Mailbox framework support.
85 bool "Rockchip Soc Integrated Mailbox Support"
86 depends on ARCH_ROCKCHIP || COMPILE_TEST
88 This driver provides support for inter-processor communication
89 between CPU cores and MCU processor on Some Rockchip SOCs.
90 Please check it that the Soc you use have Mailbox hardware.
91 Say Y here if you want to use the Rockchip Mailbox support.
94 bool "Platform Communication Channel Driver"
98 ACPI 5.0+ spec defines a generic mode of communication
99 between the OS and a platform such as the BMC. This medium
100 (PCC) is typically used by CPPC (ACPI CPU Performance management),
101 RAS (ACPI reliability protocol) and MPST (ACPI Memory power
102 states). Select this driver if your platform implements the
103 PCC clients mentioned above.
106 tristate "Altera Mailbox"
109 An implementation of the Altera Mailbox soft core. It is used
110 to send message between processors. Say Y here if you want to use the
111 Altera mailbox support.
114 tristate "BCM2835 Mailbox"
115 depends on ARCH_BCM2835
117 An implementation of the BCM2385 Mailbox. It is used to invoke
118 the services of the Videocore. Say Y here if you want to use the
122 tristate "STI Mailbox framework support"
123 depends on ARCH_STI && OF
125 Mailbox implementation for STMicroelectonics family chips with
126 hardware for interprocessor communication.
128 config TI_MESSAGE_MANAGER
129 tristate "Texas Instruments Message Manager Driver"
130 depends on ARCH_KEYSTONE || ARCH_K3
133 An implementation of Message Manager slave driver for Keystone
134 and K3 architecture SoCs from Texas Instruments. Message Manager
135 is a communication entity found on few of Texas Instrument's keystone
136 and K3 architecture SoCs. These may be used for communication between
137 multiple processors within the SoC. Select this driver if your
138 platform has support for the hardware block.
141 tristate "Hi3660 Mailbox" if EXPERT
142 depends on (ARCH_HISI || COMPILE_TEST)
146 An implementation of the hi3660 mailbox. It is used to send message
147 between application processors and other processors/MCU/DSP. Select
148 Y here if you want to use Hi3660 mailbox controller.
151 tristate "Hi6220 Mailbox" if EXPERT
152 depends on (ARCH_HISI || COMPILE_TEST)
156 An implementation of the hi6220 mailbox. It is used to send message
157 between application processors and MCU. Say Y here if you want to
158 build Hi6220 mailbox controller driver.
161 tristate "Mailbox Test Client"
165 Test client to help with testing new Controller driver
168 config POLARFIRE_SOC_MAILBOX
169 tristate "PolarFire SoC (MPFS) Mailbox"
171 depends on ARCH_MICROCHIP_POLARFIRE || COMPILE_TEST
173 This driver adds support for the PolarFire SoC (MPFS) mailbox controller.
175 To compile this driver as a module, choose M here. the
176 module will be called mailbox-mpfs.
181 tristate "Qualcomm APCS IPC driver"
182 depends on ARCH_QCOM || COMPILE_TEST
184 Say y here to enable support for the APCS IPC mailbox driver,
185 providing an interface for invoking the inter-process communication
186 signals from the application processor to other masters.
188 config TEGRA_HSP_MBOX
189 bool "Tegra HSP (Hardware Synchronization Primitives) Driver"
190 depends on ARCH_TEGRA
192 The Tegra HSP driver is used for the interprocessor communication
193 between different remote processors and host processors on Tegra186
194 and later SoCs. Say Y here if you want to have this support.
197 config XGENE_SLIMPRO_MBOX
198 tristate "APM SoC X-Gene SLIMpro Mailbox Controller"
199 depends on ARCH_XGENE
201 An implementation of the APM X-Gene Interprocessor Communication
202 Mailbox (IPCM) between the ARM 64-bit cores and SLIMpro controller.
203 It is used to send short messages between ARM64-bit cores and
204 the SLIMpro Management Engine, primarily for PM. Say Y here if you
205 want to use the APM X-Gene SLIMpro IPCM support.
208 tristate "Broadcom FlexSparx DMA Mailbox"
209 depends on ARCH_BCM_IPROC || COMPILE_TEST
211 Mailbox implementation for the Broadcom FlexSparx DMA ring manager,
212 which provides access to various offload engines on Broadcom
213 SoCs, including FA2/FA+ on Northstar Plus and PDC on Northstar 2.
215 config BCM_FLEXRM_MBOX
216 tristate "Broadcom FlexRM Mailbox"
218 depends on ARCH_BCM_IPROC || COMPILE_TEST
219 select GENERIC_MSI_IRQ
220 default m if ARCH_BCM_IPROC
222 Mailbox implementation of the Broadcom FlexRM ring manager,
223 which provides access to various offload engines on Broadcom
224 SoCs. Say Y here if you want to use the Broadcom FlexRM.
227 tristate "STM32 IPCC Mailbox"
228 depends on MACH_STM32MP157 || COMPILE_TEST
230 Mailbox implementation for STMicroelectonics STM32 family chips
231 with hardware for Inter-Processor Communication Controller (IPCC)
232 between processors. Say Y here if you want to have this support.
235 tristate "MediaTek ADSP Mailbox Controller"
236 depends on ARCH_MEDIATEK || COMPILE_TEST
238 Say yes here to add support for "MediaTek ADSP Mailbox Controller.
239 This mailbox driver is used to send notification or short message
240 between processors with ADSP. It will place the message to share
241 buffer and will access the ipc control.
244 tristate "MediaTek CMDQ Mailbox Support"
245 depends on ARCH_MEDIATEK || COMPILE_TEST
248 Say yes here to add support for the MediaTek Command Queue (CMDQ)
249 mailbox driver. The CMDQ is used to help read/write registers with
250 critical time limitation, such as updating display configuration
253 config ZYNQMP_IPI_MBOX
254 tristate "Xilinx ZynqMP IPI Mailbox"
255 depends on ARCH_ZYNQMP && OF
257 Say yes here to add support for Xilinx IPI mailbox driver.
258 This mailbox driver is used to send notification or short message
259 between processors with Xilinx ZynqMP IPI. It will place the
260 message to the IPI buffer and will access the IPI control
261 registers to kick the other processor or enquire status.
264 tristate "Allwinner sun6i/sun8i/sun9i/sun50i Message Box"
265 depends on ARCH_SUNXI || COMPILE_TEST
268 Mailbox implementation for the hardware message box present in
269 various Allwinner SoCs. This mailbox is used for communication
270 between the application CPUs and the power management coprocessor.
273 tristate "Spreadtrum Mailbox"
274 depends on ARCH_SPRD || COMPILE_TEST
276 Mailbox driver implementation for the Spreadtrum platform. It is used
277 to send message between application processors and MCU. Say Y here if
278 you want to build the Spreatrum mailbox controller driver.
280 config QCOM_CPUCP_MBOX
281 tristate "Qualcomm Technologies, Inc. CPUCP mailbox driver"
282 depends on (ARCH_QCOM || COMPILE_TEST) && 64BIT
284 Qualcomm Technologies, Inc. CPUSS Control Processor (CPUCP) mailbox
285 controller driver enables communication between AP and CPUCP. Say
286 Y here if you want to build this 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.