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 "i.MX Mailbox"
21 depends on ARCH_MXC || COMPILE_TEST
23 Mailbox implementation for i.MX Messaging Unit (MU).
26 tristate "Platform MHU Mailbox"
30 Say Y here if you want to build a platform specific variant MHU
32 The controller has a maximum of 3 mailbox channels, the last of
33 which can be used in Secure mode only.
36 bool "ARM PL320 Mailbox"
39 An implementation of the ARM PL320 Interprocessor Communication
40 Mailbox (IPCM), tailored for the Calxeda Highbank. It is used to
41 send short messages between Highbank's A9 cores and the EnergyCore
42 Management Engine, primarily for cpufreq. Say Y here if you want
43 to use the PL320 IPCM support.
45 config ARMADA_37XX_RWTM_MBOX
46 tristate "Armada 37xx rWTM BIU Mailbox"
47 depends on ARCH_MVEBU || COMPILE_TEST
50 Mailbox implementation for communication with the the firmware
51 running on the Cortex-M3 rWTM secure processor of the Armada 37xx
52 SOC. Say Y here if you are building for such a device (for example
53 the Turris Mox router).
56 tristate "OMAP2+ Mailbox framework support"
57 depends on ARCH_OMAP2PLUS
59 Mailbox implementation for OMAP family chips with hardware for
60 interprocessor communication involving DSP, IVA1.0 and IVA2 in
61 OMAP2/3; or IPU, IVA HD and DSP in OMAP4/5. Say Y here if you
62 want to use OMAP2+ Mailbox framework support.
64 config OMAP_MBOX_KFIFO_SIZE
65 int "Mailbox kfifo default buffer size (bytes)"
66 depends on OMAP2PLUS_MBOX
69 Specify the default size of mailbox's kfifo buffers (bytes).
70 This can also be changed at runtime (via the mbox_kfifo_size
74 bool "Rockchip Soc Intergrated Mailbox Support"
75 depends on ARCH_ROCKCHIP || COMPILE_TEST
77 This driver provides support for inter-processor communication
78 between CPU cores and MCU processor on Some Rockchip SOCs.
79 Please check it that the Soc you use have Mailbox hardware.
80 Say Y here if you want to use the Rockchip Mailbox support.
83 bool "Platform Communication Channel Driver"
87 ACPI 5.0+ spec defines a generic mode of communication
88 between the OS and a platform such as the BMC. This medium
89 (PCC) is typically used by CPPC (ACPI CPU Performance management),
90 RAS (ACPI reliability protocol) and MPST (ACPI Memory power
91 states). Select this driver if your platform implements the
92 PCC clients mentioned above.
95 tristate "Altera Mailbox"
98 An implementation of the Altera Mailbox soft core. It is used
99 to send message between processors. Say Y here if you want to use the
100 Altera mailbox support.
103 tristate "BCM2835 Mailbox"
104 depends on ARCH_BCM2835
106 An implementation of the BCM2385 Mailbox. It is used to invoke
107 the services of the Videocore. Say Y here if you want to use the
111 tristate "STI Mailbox framework support"
112 depends on ARCH_STI && OF
114 Mailbox implementation for STMicroelectonics family chips with
115 hardware for interprocessor communication.
117 config TI_MESSAGE_MANAGER
118 tristate "Texas Instruments Message Manager Driver"
119 depends on ARCH_KEYSTONE || ARCH_K3
121 An implementation of Message Manager slave driver for Keystone
122 and K3 architecture SoCs from Texas Instruments. Message Manager
123 is a communication entity found on few of Texas Instrument's keystone
124 and K3 architecture SoCs. These may be used for communication between
125 multiple processors within the SoC. Select this driver if your
126 platform has support for the hardware block.
129 tristate "Hi3660 Mailbox" if EXPERT
130 depends on (ARCH_HISI || COMPILE_TEST)
134 An implementation of the hi3660 mailbox. It is used to send message
135 between application processors and other processors/MCU/DSP. Select
136 Y here if you want to use Hi3660 mailbox controller.
139 tristate "Hi6220 Mailbox" if EXPERT
140 depends on (ARCH_HISI || COMPILE_TEST)
144 An implementation of the hi6220 mailbox. It is used to send message
145 between application processors and MCU. Say Y here if you want to
146 build Hi6220 mailbox controller driver.
149 tristate "Mailbox Test Client"
153 Test client to help with testing new Controller driver
157 tristate "Qualcomm APCS IPC driver"
158 depends on ARCH_QCOM || COMPILE_TEST
160 Say y here to enable support for the APCS IPC mailbox driver,
161 providing an interface for invoking the inter-process communication
162 signals from the application processor to other masters.
164 config TEGRA_HSP_MBOX
165 bool "Tegra HSP (Hardware Synchronization Primitives) Driver"
166 depends on ARCH_TEGRA
168 The Tegra HSP driver is used for the interprocessor communication
169 between different remote processors and host processors on Tegra186
170 and later SoCs. Say Y here if you want to have this support.
173 config XGENE_SLIMPRO_MBOX
174 tristate "APM SoC X-Gene SLIMpro Mailbox Controller"
175 depends on ARCH_XGENE
177 An implementation of the APM X-Gene Interprocessor Communication
178 Mailbox (IPCM) between the ARM 64-bit cores and SLIMpro controller.
179 It is used to send short messages between ARM64-bit cores and
180 the SLIMpro Management Engine, primarily for PM. Say Y here if you
181 want to use the APM X-Gene SLIMpro IPCM support.
184 tristate "Broadcom FlexSparx DMA Mailbox"
185 depends on ARCH_BCM_IPROC || COMPILE_TEST
187 Mailbox implementation for the Broadcom FlexSparx DMA ring manager,
188 which provides access to various offload engines on Broadcom
189 SoCs, including FA2/FA+ on Northstar Plus and PDC on Northstar 2.
191 config BCM_FLEXRM_MBOX
192 tristate "Broadcom FlexRM Mailbox"
194 depends on ARCH_BCM_IPROC || COMPILE_TEST
195 select GENERIC_MSI_IRQ_DOMAIN
196 default m if ARCH_BCM_IPROC
198 Mailbox implementation of the Broadcom FlexRM ring manager,
199 which provides access to various offload engines on Broadcom
200 SoCs. Say Y here if you want to use the Broadcom FlexRM.
203 tristate "STM32 IPCC Mailbox"
204 depends on MACH_STM32MP157
206 Mailbox implementation for STMicroelectonics STM32 family chips
207 with hardware for Inter-Processor Communication Controller (IPCC)
208 between processors. Say Y here if you want to have this support.
211 tristate "MediaTek CMDQ Mailbox Support"
212 depends on ARCH_MEDIATEK || COMPILE_TEST
215 Say yes here to add support for the MediaTek Command Queue (CMDQ)
216 mailbox driver. The CMDQ is used to help read/write registers with
217 critical time limitation, such as updating display configuration
220 config ZYNQMP_IPI_MBOX
221 bool "Xilinx ZynqMP IPI Mailbox"
222 depends on ARCH_ZYNQMP && OF
224 Say yes here to add support for Xilinx IPI mailbox driver.
225 This mailbox driver is used to send notification or short message
226 between processors with Xilinx ZynqMP IPI. It will place the
227 message to the IPI buffer and will access the IPI control
228 registers to kick the other processor or enquire status.