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 "i.MX Mailbox"
28 depends on ARCH_MXC || COMPILE_TEST
30 Mailbox implementation for i.MX Messaging Unit (MU).
33 tristate "Platform MHU Mailbox"
37 Say Y here if you want to build a platform specific variant MHU
39 The controller has a maximum of 3 mailbox channels, the last of
40 which can be used in Secure mode only.
43 bool "ARM PL320 Mailbox"
46 An implementation of the ARM PL320 Interprocessor Communication
47 Mailbox (IPCM), tailored for the Calxeda Highbank. It is used to
48 send short messages between Highbank's A9 cores and the EnergyCore
49 Management Engine, primarily for cpufreq. Say Y here if you want
50 to use the PL320 IPCM support.
52 config ARMADA_37XX_RWTM_MBOX
53 tristate "Armada 37xx rWTM BIU Mailbox"
54 depends on ARCH_MVEBU || COMPILE_TEST
57 Mailbox implementation for communication with the the firmware
58 running on the Cortex-M3 rWTM secure processor of the Armada 37xx
59 SOC. Say Y here if you are building for such a device (for example
60 the Turris Mox router).
63 tristate "OMAP2+ Mailbox framework support"
64 depends on ARCH_OMAP2PLUS || ARCH_K3
66 Mailbox implementation for OMAP family chips with hardware for
67 interprocessor communication involving DSP, IVA1.0 and IVA2 in
68 OMAP2/3; or IPU, IVA HD and DSP in OMAP4/5. Say Y here if you
69 want to use OMAP2+ Mailbox framework support.
71 config OMAP_MBOX_KFIFO_SIZE
72 int "Mailbox kfifo default buffer size (bytes)"
73 depends on OMAP2PLUS_MBOX
76 Specify the default size of mailbox's kfifo buffers (bytes).
77 This can also be changed at runtime (via the mbox_kfifo_size
81 bool "Rockchip Soc Integrated Mailbox Support"
82 depends on ARCH_ROCKCHIP || COMPILE_TEST
84 This driver provides support for inter-processor communication
85 between CPU cores and MCU processor on Some Rockchip SOCs.
86 Please check it that the Soc you use have Mailbox hardware.
87 Say Y here if you want to use the Rockchip Mailbox support.
90 bool "Platform Communication Channel Driver"
94 ACPI 5.0+ spec defines a generic mode of communication
95 between the OS and a platform such as the BMC. This medium
96 (PCC) is typically used by CPPC (ACPI CPU Performance management),
97 RAS (ACPI reliability protocol) and MPST (ACPI Memory power
98 states). Select this driver if your platform implements the
99 PCC clients mentioned above.
102 tristate "Altera Mailbox"
105 An implementation of the Altera Mailbox soft core. It is used
106 to send message between processors. Say Y here if you want to use the
107 Altera mailbox support.
110 tristate "BCM2835 Mailbox"
111 depends on ARCH_BCM2835
113 An implementation of the BCM2385 Mailbox. It is used to invoke
114 the services of the Videocore. Say Y here if you want to use the
118 tristate "STI Mailbox framework support"
119 depends on ARCH_STI && OF
121 Mailbox implementation for STMicroelectonics family chips with
122 hardware for interprocessor communication.
124 config TI_MESSAGE_MANAGER
125 tristate "Texas Instruments Message Manager Driver"
126 depends on ARCH_KEYSTONE || ARCH_K3
128 An implementation of Message Manager slave driver for Keystone
129 and K3 architecture SoCs from Texas Instruments. Message Manager
130 is a communication entity found on few of Texas Instrument's keystone
131 and K3 architecture SoCs. These may be used for communication between
132 multiple processors within the SoC. Select this driver if your
133 platform has support for the hardware block.
136 tristate "Hi3660 Mailbox" if EXPERT
137 depends on (ARCH_HISI || COMPILE_TEST)
141 An implementation of the hi3660 mailbox. It is used to send message
142 between application processors and other processors/MCU/DSP. Select
143 Y here if you want to use Hi3660 mailbox controller.
146 tristate "Hi6220 Mailbox" if EXPERT
147 depends on (ARCH_HISI || COMPILE_TEST)
151 An implementation of the hi6220 mailbox. It is used to send message
152 between application processors and MCU. Say Y here if you want to
153 build Hi6220 mailbox controller driver.
156 tristate "Mailbox Test Client"
160 Test client to help with testing new Controller driver
163 config POLARFIRE_SOC_MAILBOX
164 tristate "PolarFire SoC (MPFS) Mailbox"
166 depends on SOC_MICROCHIP_POLARFIRE || COMPILE_TEST
168 This driver adds support for the PolarFire SoC (MPFS) mailbox controller.
170 To compile this driver as a module, choose M here. the
171 module will be called mailbox-mpfs.
176 tristate "Qualcomm APCS IPC driver"
177 depends on ARCH_QCOM || COMPILE_TEST
179 Say y here to enable support for the APCS IPC mailbox driver,
180 providing an interface for invoking the inter-process communication
181 signals from the application processor to other masters.
183 config TEGRA_HSP_MBOX
184 bool "Tegra HSP (Hardware Synchronization Primitives) Driver"
185 depends on ARCH_TEGRA
187 The Tegra HSP driver is used for the interprocessor communication
188 between different remote processors and host processors on Tegra186
189 and later SoCs. Say Y here if you want to have this support.
192 config XGENE_SLIMPRO_MBOX
193 tristate "APM SoC X-Gene SLIMpro Mailbox Controller"
194 depends on ARCH_XGENE
196 An implementation of the APM X-Gene Interprocessor Communication
197 Mailbox (IPCM) between the ARM 64-bit cores and SLIMpro controller.
198 It is used to send short messages between ARM64-bit cores and
199 the SLIMpro Management Engine, primarily for PM. Say Y here if you
200 want to use the APM X-Gene SLIMpro IPCM support.
203 tristate "Broadcom FlexSparx DMA Mailbox"
204 depends on ARCH_BCM_IPROC || COMPILE_TEST
206 Mailbox implementation for the Broadcom FlexSparx DMA ring manager,
207 which provides access to various offload engines on Broadcom
208 SoCs, including FA2/FA+ on Northstar Plus and PDC on Northstar 2.
210 config BCM_FLEXRM_MBOX
211 tristate "Broadcom FlexRM Mailbox"
213 depends on ARCH_BCM_IPROC || COMPILE_TEST
214 select GENERIC_MSI_IRQ_DOMAIN
215 default m if ARCH_BCM_IPROC
217 Mailbox implementation of the Broadcom FlexRM ring manager,
218 which provides access to various offload engines on Broadcom
219 SoCs. Say Y here if you want to use the Broadcom FlexRM.
222 tristate "STM32 IPCC Mailbox"
223 depends on MACH_STM32MP157 || COMPILE_TEST
225 Mailbox implementation for STMicroelectonics STM32 family chips
226 with hardware for Inter-Processor Communication Controller (IPCC)
227 between processors. Say Y here if you want to have this support.
230 tristate "MediaTek CMDQ Mailbox Support"
231 depends on ARCH_MEDIATEK || COMPILE_TEST
234 Say yes here to add support for the MediaTek Command Queue (CMDQ)
235 mailbox driver. The CMDQ is used to help read/write registers with
236 critical time limitation, such as updating display configuration
239 config ZYNQMP_IPI_MBOX
240 bool "Xilinx ZynqMP IPI Mailbox"
241 depends on ARCH_ZYNQMP && OF
243 Say yes here to add support for Xilinx IPI mailbox driver.
244 This mailbox driver is used to send notification or short message
245 between processors with Xilinx ZynqMP IPI. It will place the
246 message to the IPI buffer and will access the IPI control
247 registers to kick the other processor or enquire status.
250 tristate "Allwinner sun6i/sun8i/sun9i/sun50i Message Box"
251 depends on ARCH_SUNXI || COMPILE_TEST
254 Mailbox implementation for the hardware message box present in
255 various Allwinner SoCs. This mailbox is used for communication
256 between the application CPUs and the power management coprocessor.
259 tristate "Spreadtrum Mailbox"
260 depends on ARCH_SPRD || COMPILE_TEST
262 Mailbox driver implementation for the Spreadtrum platform. It is used
263 to send message between application processors and MCU. Say Y here if
264 you want to build the Spreatrum mailbox controller driver.
267 bool "Qualcomm Technologies, Inc. IPCC driver"
268 depends on ARCH_QCOM || COMPILE_TEST
270 Qualcomm Technologies, Inc. Inter-Processor Communication Controller
271 (IPCC) driver for MSM devices. The driver provides mailbox support for
272 sending interrupts to the clients. On the other hand, the driver also
273 acts as an interrupt controller for receiving interrupts from clients.
274 Say Y here if you want to build this driver.