u-boot.git/drivers/mailbox/Makefile, branch v2025.07

Kbuild: Always use $(PHASE_)

2025-04-11T18:16:44Z

It is confusing to have both "$(PHASE_)" and "$(XPL_)" be used in our Makefiles as part of the macros to determine when to do something in our Makefiles based on what phase of the build we are in. For consistency, bring this down to a single macro and use "$(PHASE_)" only. Signed-off-by: Tom Rini

mailbox: add i.MX Messaging Unit (MU) driver

2025-03-13T18:15:50Z

This patch provides a driver for i.MX Messaging Unit (MU) using the commom mailbox framework. This is ported from Linux (v6.12.8) driver drivers/mailbox/imx-mailbox.c. Its commit SHA is: 39d7d6177f0c ("mailbox: imx: use device name in interrupt name") Signed-off-by: Viorel Suman Signed-off-by: Peng Fan Signed-off-by: Alice Guo Reviewed-by: Ye Li

global: Rename SPL_ to XPL_

2024-10-11T17:44:48Z

Use XPL_ as the symbol to indicate an SPL build. This means that SPL_ is no-longer set. Signed-off-by: Simon Glass

mailbox: apple: Add driver for Apple IOP mailbox

2022-02-10T21:44:23Z

This mailbox driver provides a communication channel with the Apple IOP controllers found on Apple SoCs. These IOP controllers are used to implement various functions such as the System Manegement Controller (SMC) and NVMe storage. It allows sending and receiving a 96-bit message over a single channel. The header file with the struct used for mailbox messages is taken straight from Linux. Signed-off-by: Mark Kettenis Signed-off-by: Sven Peter Reviewed-by: Simon Glass Tested on: Macbook Air M1 Tested-by: Simon Glass

mailbox: zynqmp: ipi mailbox driver

2019-10-08T07:55:11Z

ZynqMP mailbox driver implementing IPI communication with PMU. This would allow U-Boot SPL to communicate with PMUFW to request privileged operations. Signed-off-by: Ibai Erkiaga Signed-off-by: Michal Simek

mailbox: introduce stm32-ipcc driver

2019-07-12T09:18:53Z

On STM32 family, the IPCC peripheral allows the communication between 2 processors offering doorbells mechanism. Signed-off-by: Fabien Dessenne Signed-off-by: Loic Pallardy Reviewed-by: Patrice Chotard

drivers: cosmetic: Convert SPDX license tags to Linux Kernel style

2018-10-28T13:26:39Z

Complete in the drivers directory the work started with commit 83d290c56fab ("SPDX: Convert all of our single license tags to Linux Kernel style"). Reviewed-by: Simon Glass Signed-off-by: Patrick Delaunay

spl: Allow mailbox drivers to be used within SPL

2018-09-11T12:32:55Z

Add an option for building mailbox drivers within SPL. Reviewed-by: Tom Rini Signed-off-by: Lokesh Vutla

mailbox: Introduce K3 Secure Proxy Driver

2018-09-11T12:32:55Z

Secure Proxy module manages hardware threads that are meant for communication between the processor entities. Adding support for this driver. Reviewed-by: Tom Rini Signed-off-by: Lokesh Vutla Signed-off-by: Andreas Dannenberg

mailbox: add Tegra186 HSP driver

2016-06-19T23:05:55Z

Tegra186's HSP module implements doorbells, mailboxes, semaphores, and shared interrupts. This patch provides a driver for HSP, and hooks it into the mailbox API. Currently, only doorbells are supported. Signed-off-by: Stephen Warren Reviewed-by: Simon Glass Acked-by: Simon Glass