why is there two groups for BDMA lanuch registers?

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why is there two groups for BDMA lanuch registers? #252

Closed zhouweiscut closed 5 years ago

zhouweiscut commented 5 years ago

hi all, does anyone know why is there two groups for BDMA lanuch registers CFG_LAUNCH0/1, STAUS_GRP0/1_READ_STALL, etc.? and it seems that it is not the same as these duplicated registers groups for ping-pong registers, because other registers in BDMA just has one group.