Hi All, The following series adds a new K3 R5F remoteproc driver for all the R5F processor clusters/subsystems on TI AM65x and J721E SoCs. The AM65x has a single R5FSS cluster, while J721E has three R5FSS clusters. All clusters are capable of supporting either LockStep (safety compliant providing fault tolerance) or Split (performance mode) mode. The modes themselves are limited on some SoC variants through an eFUSE setting. The IP version and SoC integration is slightly different between AM65x and J721E SoC families leading to couple of functional behavior differences. The R5Fs are designed to boot out of TCMs with the initial boot-up code on the R5Fs configure the Memory Protection Unit (MPU) to run code from DDR. IPC is through the virtio-rpmsg transport. There is no error recovery or Power Management support at present. The J721E The patches are on top of the current rproc-next branch, and uses one patch from the OMAP remoteproc series [1]. It also leverages the fixed memory carveout fixes series [2]. The following is the patch summary: - Patch 1 is an old patch [3] from Loic posted previously to the upstream lists and allows the driver to perform the necessary sequencing w.r.t IP power-on and local resets and provide a balanced state machine across sysfs start/stop, and bind/unbind or module removal. - Patch 2 is a minor enhancement in remoteproc core to allow dynamically created platform devices to be registered with remoteproc core. - Patches 3 and 5 add the base binding and the the driver respectively. - Patch 4 is a common helper that will also be used by a TI K3 DSP remoteproc driver (to be posted in the near future) providing the interface to the System Controller software over TI-SCI for performing device-specific operations. - Patches 6 and 7 are couple of incremental features to the R5F driver. regards Suman [1] https://patchwork.kernel.org/patch/11455135/ [2] https://patchwork.kernel.org/cover/11447649/ [3] https://patchwork.kernel.org/patch/10251897/ Loic Pallardy (1): remoteproc: add prepare and unprepare ops Suman Anna (6): remoteproc: use a local copy for the name field dt-bindings: remoteproc: Add bindings for R5F subsystem on TI K3 SoCs remoteproc/k3-r5: Add TI-SCI processor control helper functions remoteproc/k3-r5: Add a remoteproc driver for R5F subsystem remoteproc/k3-r5: Initialize TCM memories for ECC remoteproc/k3-r5: Add loading support for on-chip SRAM regions .../bindings/remoteproc/ti,k3-r5f-rproc.yaml | 338 ++++ drivers/remoteproc/Kconfig | 16 + drivers/remoteproc/Makefile | 1 + drivers/remoteproc/remoteproc_core.c | 29 +- drivers/remoteproc/ti_k3_r5_remoteproc.c | 1461 +++++++++++++++++ drivers/remoteproc/ti_sci_proc.h | 102 ++ include/linux/remoteproc.h | 6 +- 7 files changed, 1950 insertions(+), 3 deletions(-) create mode 100644 Documentation/devicetree/bindings/remoteproc/ti,k3-r5f-rproc.yaml create mode 100644 drivers/remoteproc/ti_k3_r5_remoteproc.c create mode 100644 drivers/remoteproc/ti_sci_proc.h -- 2.23.0
