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The resets for the DSP processors on K3 SoCs are managed through the Power and Sleep Controller (PSC) module. Each DSP typically has two resets - a global module reset for powering on the device, and a local reset that affects only the CPU while allowing access to the other sub-modules within the DSP processor sub-systems. The C66x DSPs have two levels of internal RAMs that can be used to boot from, and the firmware loading into these RAMs require the local reset to be asserted with the device powered on/enabled using the module reset. Enhance the K3 DSP remoteproc driver to add support for loading into the internal RAMs. The local reset is deasserted on SoC power-on-reset, so logic has to be added in probe in remoteproc mode to balance the remoteproc state-machine. Note that the local resets are a no-op on C71x cores, and the hardware does not supporting loading into its internal RAMs. Signed-off-by: Suman Anna <s-anna@ti.com> |
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| .. | ||
| k3_system_controller.c | ||
| Kconfig | ||
| Makefile | ||
| rproc-elf-loader.c | ||
| rproc-uclass.c | ||
| sandbox_testproc.c | ||
| stm32_copro.c | ||
| ti_k3_arm64_rproc.c | ||
| ti_k3_dsp_rproc.c | ||
| ti_k3_r5f_rproc.c | ||
| ti_power_proc.c | ||
| ti_sci_proc.h | ||