This patch series adds bindings document for RPU subsystem found on Xilinx
ZynqMP platforms. It also adds device nodes and driver to enable RPU subsytem
in split mode and lockstep mode.
Xilinx ZynqMP platform contains Remote Processing Unit(RPU). RPU subsystem
contains two arm cortex r5f cores. RPU subsystem can be configured in
split mode, locsktep mode and single-cpu mode.
RPU subsystem also contains 4 Tightly Coupled Memory(TCM) banks. In lockstep
mode, all 4 banks are combined and total of 256KB memory is made available to
r5 core0. In split mode, both cores can access two TCM banks i.e. 128 KB.
RPU can also fetch data and execute instructions from DDR memory along with
TCM memory.
Changes in v2:
- Remove proprietary copyright footer from cover letter
Ben Levinsky (3):
firmware: xilinx: Add ZynqMP firmware ioctl enums for RPU
configuration.
firmware: xilinx: Add shutdown/wakeup APIs
firmware: xilinx: Add RPU configuration APIs
Tanmay Shah (3):
dt-bindings: remoteproc: Add Xilinx RPU subsystem bindings
arm64: dts: xilinx: zynqmp: Add RPU subsystem device node
drivers: remoteproc: Add Xilinx r5 remoteproc driver
.../bindings/remoteproc/xlnx,r5f-rproc.yaml | 139 +++
arch/arm64/boot/dts/xilinx/zynqmp.dtsi | 17 +
drivers/firmware/xilinx/zynqmp.c | 96 ++
drivers/remoteproc/Kconfig | 12 +
drivers/remoteproc/Makefile | 1 +
drivers/remoteproc/xlnx_r5_remoteproc.c | 959 ++++++++++++++++++
include/dt-bindings/power/xlnx-zynqmp-power.h | 6 +
include/linux/firmware/xlnx-zynqmp.h | 60 ++
8 files changed, 1290 insertions(+)
create mode 100644 Documentation/devicetree/bindings/remoteproc/xlnx,r5f-rproc.yaml
create mode 100644 drivers/remoteproc/xlnx_r5_remoteproc.c
base-commit: c1fe10d238c0256a77dbc4bf6493b9782b2a218d
--
2.25.1
