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Original question:

TMS320C6674: custom PCIe board & bus reset

TMS320C6674: Options for resetting DSP in PCIe bootmode

antti
Prodigy 220 points
Part Number: TMS320C6674

Hi,

What are the available options for resetting TMS320C6674 when used in PCIe bootmode?

Processor SDK pdk_c667x_2_0_16\packages\ti\boot\examples\pcie uses "local reset" to reset DSP. During development we have found that sometimes local reset hasn't worked and we have had to power off / on the whole PC to get DSP back to working. Should the local reset be 100% reliable?

In the production use, we want avoid powering off the whole PC. So what are the available options for resetting TMS320C6674 through PCIe? 

Br, Antti