Good morning, I have received your patchset but currently don't see having the time to look at it before the middle of March. Thanks, Mathieu On Tue, 23 Feb 2021 at 08:44, Ben Levinsky <ben.levinsky@xxxxxxxxxx> wrote: > > R5 is included in Xilinx Zynq UltraScale MPSoC so by adding this > remotproc driver, we can boot the R5 sub-system in two different > configurations - > * Split > * Lockstep > > The Xilinx R5 Remoteproc Driver boots the R5's via calls to the Xilinx > Platform Management Unit that handles the R5 configuration, memory access > and R5 lifecycle management. The interface to this manager is done in this > driver via zynqmp_pm_* function calls. > > v26: > - add prepare and unprepare to handle Xilinx platform management's > request_node and release node using each core's list of srams > that is constructed in each core's zynqmp_r5_probe. > - add new field sram to zynqmp_r5_rproc to store each core's srams > being used as described in device tree. This helps to reduce unneeded looping > of the sram prop in device tree. As now only zynqmp_r5_probe has to parse > and validate each core's sram property. The ensuing prepare, unprepare > and parse_fw logic are now much simpler. > - similarly add 'size' field to struct sram_addr_data to simplify > prepare, unprepare and parse_fw. > > Previous version: > https://patchwork.kernel.org/project/linux-remoteproc/list/?series=412083 > > > Ben Levinsky (5): > firmware: xilinx: Add ZynqMP firmware ioctl enums for RPU > configuration. > firmware: xilinx: Add shutdown/wakeup APIs > firmware: xilinx: Add RPU configuration APIs > dt-bindings: remoteproc: Add documentation for ZynqMP R5 rproc > bindings > remoteproc: Add initial zynqmp R5 remoteproc driver > > .../xilinx,zynqmp-r5-remoteproc.yaml | 223 ++++ > drivers/firmware/xilinx/zynqmp.c | 96 ++ > drivers/remoteproc/Kconfig | 8 + > drivers/remoteproc/Makefile | 1 + > drivers/remoteproc/zynqmp_r5_remoteproc.c | 954 ++++++++++++++++++ > include/linux/firmware/xlnx-zynqmp.h | 64 ++ > 6 files changed, 1356 insertions(+) > create mode 100644 Documentation/devicetree/bindings/remoteproc/xilinx,zynqmp-r5-remoteproc.yaml > create mode 100644 drivers/remoteproc/zynqmp_r5_remoteproc.c > > -- > 2.17.1 >
