Changes in Makefile

41845541 - firmware: arm_scmi: Add initial support for i.MX BBM protocol

Fri, 23 Aug 2024 09:05:18 +0000

firmware: arm_scmi: Add initial support for i.MX BBM protocoli.MX95 has a battery-backed module(BBM), which has persistent storage(GPR), an RTC, and the ON/OFF button. The System Manager(SM) firmwareuse SCMI vendor protocol(SCMI BBM) to let agent be able to use GPR, RTCand ON/OFF button.Reviewed-by: Cristian Marussi Signed-off-by: Peng Fan Message-Id: <20240823-imx95-bbm-misc-v2-v8-2-e600ed9e9271@nxp.com>Signed-off-by: Sudeep Holla List of files: /linux-6.15/drivers/firmware/arm_scmi/Makefile

20bda12a - firmware: arm_scmi: Make VirtIO transport a standalone driver

Mon, 12 Aug 2024 17:33:39 +0000

firmware: arm_scmi: Make VirtIO transport a standalone driverMake SCMI VirtIO transport a standalone driver that can be optionallyloaded as a module.CC: Michael S. Tsirkin CC: Igor Skalkin CC: Peter Hilber Signed-off-by: Cristian Marussi Message-Id: <20240812173340.3912830-9-cristian.marussi@arm.com>Signed-off-by: Sudeep Holla List of files: /linux-6.15/drivers/firmware/arm_scmi/Makefile

db9cc5e6 - firmware: arm_scmi: Make OPTEE transport a standalone driver

Mon, 12 Aug 2024 17:33:38 +0000

firmware: arm_scmi: Make OPTEE transport a standalone driverMake SCMI OPTEE transport a standalone driver that can be optionallyloaded as a module.CC: Etienne Carriere Signed-off-by: Cristian Marussi Message-Id: <20240812173340.3912830-8-cristian.marussi@arm.com>Signed-off-by: Sudeep Holla List of files: /linux-6.15/drivers/firmware/arm_scmi/Makefile

a4175950 - firmware: arm_scmi: Make SMC transport a standalone driver

Mon, 12 Aug 2024 17:33:37 +0000

firmware: arm_scmi: Make SMC transport a standalone driverMake SCMI SMC transport a standalone driver that can be optionallyloaded as a module.CC: Peng Fan CC: Nikunj Kela Signed-off-by: Cristian Marussi Message-Id: <20240812173340.3912830-7-cristian.marussi@arm.com>[sudeep.holla: moved Clang Thumb2 build fix to the new makefile]Signed-off-by: Sudeep Holla List of files: /linux-6.15/drivers/firmware/arm_scmi/Makefile

b53515fa - firmware: arm_scmi: Make MBOX transport a standalone driver

Mon, 12 Aug 2024 17:33:36 +0000

firmware: arm_scmi: Make MBOX transport a standalone driverMake SCMI mailbox transport a standalone driver that can be optionallyloaded as a module; while at it, create a dedicated subdirectory andsubmenu for SCMI Transports.Signed-off-by: Cristian Marussi Message-Id: <20240812173340.3912830-6-cristian.marussi@arm.com>Signed-off-by: Sudeep Holla List of files: /linux-6.15/drivers/firmware/arm_scmi/Makefile

2145af01 - firmware: arm_scmi: Add basic support for SCMI v3.2 pincontrol protocol

Thu, 18 Apr 2024 01:32:30 +0000

firmware: arm_scmi: Add basic support for SCMI v3.2 pincontrol protocolAdd basic implementation of the SCMI v3.2 pincontrol protocol.Co-developed-by: Oleksii Moisieiev Signed-off-by: Oleksii Moisieiev Co-developed-by: Cristian Marussi Signed-off-by: Cristian Marussi Signed-off-by: Peng Fan Link: https://lore.kernel.org/r/20240418-pinctrl-scmi-v11-3-499dca9864a7@nxp.comSigned-off-by: Sudeep Holla List of files: /linux-6.15/drivers/firmware/arm_scmi/Makefile

af78e5c3 - firmware: arm_scmi: Move power-domain driver to the pmdomain dir

Thu, 21 Sep 2023 11:24:15 +0000

firmware: arm_scmi: Move power-domain driver to the pmdomain dirTo simplify with maintenance let's move the Arm SCMI power-domain driverto the new pmdomain directory.Link: https://lore.kernel.org/all/20230921113328.3208651-1-sudeep.holla@arm.comReviewed-by: Ulf Hansson Cc: Cristian Marussi Signed-off-by: Sudeep Holla List of files: /linux-6.15/drivers/firmware/arm_scmi/Makefile

3c3d818a - firmware: arm_scmi: Add core raw transmission support

Wed, 18 Jan 2023 12:14:21 +0000

firmware: arm_scmi: Add core raw transmission supportAdd SCMI raw mode support which exposes a userspace interface to allow forbare SCMI command injection and snooping from userspace.Signed-off-by: Cristian Marussi Tested-by: Florian Fainelli Tested-by: Vincent Guittot Link: https://lore.kernel.org/r/20230118121426.492864-13-cristian.marussi@arm.comSigned-off-by: Sudeep Holla List of files: /linux-6.15/drivers/firmware/arm_scmi/Makefile

37b5be82 - firmware: arm_scmi: Split bus and driver into distinct modules

Thu, 22 Dec 2022 18:50:49 +0000

firmware: arm_scmi: Split bus and driver into distinct modulesMake the SCMI bus on its own as a distinct module initialized atsubsys_initcall level when builtin.Keep the SCMI driver core stack, together with any configured transport,in a different module initialized as module_init level.SCMI drivers initialization remain unchanged at module_init level.Signed-off-by: Cristian Marussi Link: https://lore.kernel.org/r/20221222185049.737625-10-cristian.marussi@arm.comSigned-off-by: Sudeep Holla List of files: /linux-6.15/drivers/firmware/arm_scmi/Makefile

0316f99c - firmware: arm_scmi: Add SCMI v3.1 powercap protocol basic support

Mon, 04 Jul 2022 10:22:36 +0000

firmware: arm_scmi: Add SCMI v3.1 powercap protocol basic supportAdd support for SCMI v3.1 powercap protocol, with the exception of powercapfast channels, exposing all the new related powercap protocol operations asusual in include/linux/scmi_protocol.h.Link: https://lore.kernel.org/r/20220704102241.2988447-3-cristian.marussi@arm.comSigned-off-by: Cristian Marussi Signed-off-by: Sudeep Holla List of files: /linux-6.15/drivers/firmware/arm_scmi/Makefile

2c4b97fe - firmware: arm_scmi: Add SCMI System Power Control driver

Mon, 04 Jul 2022 10:19:33 +0000

firmware: arm_scmi: Add SCMI System Power Control driverAdd an SCMI System Power control driver to handle platform's requestscarried by SYSTEM_POWER_STATE_NOTIFIER notifications: such platformrequested system-wide power state transitions are handled accordingly,gracefully or forcefully, depending on the notifications' message flags.Graceful requests are relayed to userspace using the same Kernel API usedto handle ACPI Shutdown bus events.Link: https://lore.kernel.org/r/20220704101933.2981635-5-cristian.marussi@arm.comReviewed-by: Greg Kroah-Hartman Signed-off-by: Cristian Marussi Signed-off-by: Sudeep Holla List of files: /linux-6.15/drivers/firmware/arm_scmi/Makefile

cdf157fa - firmware: arm_scmi: Disable ftrace for Clang Thumb2 builds

Thu, 03 Feb 2022 08:22:01 +0000

firmware: arm_scmi: Disable ftrace for Clang Thumb2 buildsThe SMC calling convention designates R0-R7 as input registers inAArch32 mode, and this conflicts with the compiler's use of R7 as aframe pointer when building in Thumb2 mode. Generally, we don't enablethe frame pointer, and GCC happily enables the -pg profiling hookswithout them. However, Clang refuses, and errors out with the messagebelow:drivers/firmware/arm_scmi/smc.c:152:2: error: write to reserved register 'R7' arm_smccc_1_1_invoke(scmi_info->func_id, 0, 0, 0, 0, 0, 0, 0, &res); ^include/linux/arm-smccc.h:550:4: note: expanded from macro 'arm_smccc_1_1_invoke' arm_smccc_1_1_smc(__VA_ARGS__); \ ^Let's just disable ftrace for the compilation unit when building thisconfiguration.Link: https://lore.kernel.org/r/20220203082204.1176734-11-ardb@kernel.orgReviewed-by: Nick Desaulniers Signed-off-by: Ard Biesheuvel Signed-off-by: Sudeep Holla List of files: /linux-6.15/drivers/firmware/arm_scmi/Makefile

5f90f189 - firmware: arm_scmi: Add optee transport

Thu, 28 Oct 2021 14:00:09 +0000

firmware: arm_scmi: Add optee transportAdd a new transport channel to the SCMI firmware interface driver forSCMI message exchange based on optee transport channel. The opteetransport is realized by connecting and invoking OP-TEE SCMI serviceinterface PTA.Optee transport support (CONFIG_ARM_SCMI_TRANSPORT_OPTEE) is defaultenabled when optee driver (CONFIG_OPTEE) is enabled. Effective opteetransport is setup upon OP-TEE SCMI service discovery at opteedevice initialization. For this SCMI UUID is registered to the opteebus for probing. This is done from the link_supplier operator of theSCMI optee transport.The optee transport can use a statically defined shared memory inwhich case SCMI device tree node defines it using an "arm,scmi-shmem"compatible phandle through property shmem. Alternatively, optee transportallocates the shared memory buffer from the optee driver when no shmemproperty is defined.The protocol used to exchange SCMI message over that shared memory isnegotiated between optee transport driver and the OP-TEE service throughcapabilities exchange.OP-TEE SCMI service is integrated in OP-TEE since its release tag 3.13.0.The service interface is published in [1].Link: [1] https://github.com/OP-TEE/optee_os/blob/3.13.0/lib/libutee/include/pta_scmi_client.hLink: https://lore.kernel.org/r/20211028140009.23331-2-etienne.carriere@linaro.orgCc: Cristian Marussi Cc: Sudeep Holla Reviewed-by: Cristian Marussi Signed-off-by: Etienne Carriere Signed-off-by: Sudeep Holla List of files: /linux-6.15/drivers/firmware/arm_scmi/Makefile

46abe13b - firmware: arm_scmi: Add virtio transport

Tue, 03 Aug 2021 13:10:24 +0000

firmware: arm_scmi: Add virtio transportThis transport enables communications with an SCMI platform through virtio;the SCMI platform will be represented by a virtio device.Implement an SCMI virtio driver according to the virtio SCMI device spec[1]. Virtio device id 32 has been reserved for the SCMI device [2].The virtio transport has one Tx channel (virtio cmdq, A2P channel) andat most one Rx channel (virtio eventq, P2A channel).The following feature bit defined in [1] is not implemented:VIRTIO_SCMI_F_SHARED_MEMORY.The number of messages which can be pending simultaneously is restrictedaccording to the virtqueue capacity negotiated at probing time.As soon as Rx channel message buffers are allocated or have been readout by the arm-scmi driver, feed them back to the virtio device.Since some virtio devices may not have the short response time exhibitedby SCMI platforms using other transports, set a generous responsetimeout.SCMI polling mode is not supported by this virtio transport since deemedmeaningless: polling mode operation is offered by the SCMI core to thosetransports that could not provide a completion interrupt on the TX path,which is never the case for virtio whose core callbacks can easily callinto core scmi_rx_callback upon messages reception.[1] https://github.com/oasis-tcs/virtio-spec/blob/master/virtio-scmi.tex[2] https://www.oasis-open.org/committees/ballot.php?id=3496Link: https://lore.kernel.org/r/20210803131024.40280-16-cristian.marussi@arm.comCc: "Michael S. Tsirkin" Cc: Jason Wang Co-developed-by: Peter Hilber Co-developed-by: Cristian Marussi Signed-off-by: Igor Skalkin [ Peter: Adapted patch for submission to upstream. ]Signed-off-by: Peter Hilber [ Cristian: simplified driver logic, changed link_supplier and channel available/setup logic, removed dummy callbacks ]Signed-off-by: Cristian Marussi Signed-off-by: Sudeep Holla List of files: /linux-6.15/drivers/firmware/arm_scmi/Makefile

f301bba0 - firmware: arm_scmi: Add message passing abstractions for transports

Tue, 03 Aug 2021 13:10:20 +0000

firmware: arm_scmi: Add message passing abstractions for transportsAdd abstractions for future transports using message passing, such asvirtio. Derive the abstractions from the shared memory abstractions.Abstract the transport SDU through the opaque struct scmi_msg_payld.Also enable the transport to determine all other required informationabout the transport SDU.Link: https://lore.kernel.org/r/20210803131024.40280-12-cristian.marussi@arm.comSigned-off-by: Peter Hilber [ Cristian: Adapted to new SCMI Kconfig layout, updated Copyrights ]Signed-off-by: Cristian Marussi Signed-off-by: Sudeep Holla List of files: /linux-6.15/drivers/firmware/arm_scmi/Makefile

a7b1138b - firmware: arm_scmi: Make shmem support optional for transports

Tue, 03 Aug 2021 13:10:18 +0000

firmware: arm_scmi: Make shmem support optional for transportsUpcoming new SCMI transports won't need any kind of shared memory support.Compile shmem.c only if a shmem based transport is selected.Link: https://lore.kernel.org/r/20210803131024.40280-10-cristian.marussi@arm.comCo-developed-by: Peter Hilber Signed-off-by: Igor Skalkin [ Peter: Adapted patch for submission to upstream. ]Signed-off-by: Peter Hilber [ Cristian: Adapted patch/commit_msg to new SCMI Kconfig layout ]Signed-off-by: Cristian Marussi Signed-off-by: Sudeep Holla List of files: /linux-6.15/drivers/firmware/arm_scmi/Makefile

e8419c24 - firmware: arm_scmi: Make SCMI transports configurable

Tue, 03 Aug 2021 13:10:17 +0000

firmware: arm_scmi: Make SCMI transports configurableAdd configuration options to be able to select which SCMI transports haveto be compiled into the SCMI stack.Mailbox and SMC are by default enabled if their related dependencies aresatisfied.While doing that move all SCMI related config options in their owndedicated submenu.Link: https://lore.kernel.org/r/20210803131024.40280-9-cristian.marussi@arm.comSigned-off-by: Cristian Marussi Signed-off-by: Sudeep Holla List of files: /linux-6.15/drivers/firmware/arm_scmi/Makefile

2add5cac - firmware: arm_scmi: Add voltage domain management protocol support

Thu, 19 Nov 2020 19:10:47 +0000

firmware: arm_scmi: Add voltage domain management protocol supportSCMI v3.0 introduces voltage domain protocol which provides commands to: - Discover the voltage levels supported by a domain - Get the configuration and voltage level of a domain - Set the configuration and voltage level of a domainLet us add support for the same.Link: https://lore.kernel.org/r/20201119191051.46363-2-cristian.marussi@arm.comSigned-off-by: Cristian Marussi Signed-off-by: Sudeep Holla List of files: /linux-6.15/drivers/firmware/arm_scmi/Makefile

66d90f6e - firmware: arm_scmi: Enable building as a single module

Mon, 07 Sep 2020 11:09:23 +0000

firmware: arm_scmi: Enable building as a single moduleNow, with all the plumbing in place to enable building scmi as a moduleinstead of built-in modules, let us enable the same.Link: https://lore.kernel.org/r/20200907195046.56615-5-sudeep.holla@arm.comTested-by: Cristian Marussi Signed-off-by: Sudeep Holla List of files: /linux-6.15/drivers/firmware/arm_scmi/Makefile

a8803055 - firmware: arm_scmi: Add system power protocol support

Mon, 07 Sep 2020 17:46:55 +0000

firmware: arm_scmi: Add system power protocol supportAdd bare protocol support for SCMI system power protocol as needed byan OSPM agent: basic initialization and SYSTEM_POWER_STATE_NOTIFIERcore notification support.No event-handling logic is attached to such notification..Link: https://lore.kernel.org/r/20200907174657.32466-2-cristian.marussi@arm.comSigned-off-by: Cristian Marussi Signed-off-by: Sudeep Holla List of files: /linux-6.15/drivers/firmware/arm_scmi/Makefile