Hi Shawn, On 2016?08?05? 10:53, Shawn Lin wrote: > Currently pl330 use single mode defaultly. But burst > mode can improve efficiency of memory accessing. We > couldn't enable it by defalut in case of breaking any > Socs which don't support it. > > With burst mode supported, we could see the improvement > significantly when tesing SPI transfer etc. > > default single mode > [ 88.292550] spi write 65536*1 cost 32402us speed:2022KB/S > > After applied with burst mode(len 16) > [ 17.625296] spi write 65536*1 cost 17830us speed:3675KB/S > > Cc: Huibin Hong <huibin.hong at rock-chips.com> > Cc: Xing Zheng <zhengxing at rock-chips.com> > Signed-off-by: Shawn Lin <shawn.lin at rock-chips.com> > --- > Tested-by: Xing Zheng <zhengxing at rock-chips.com> Thanks -- - Xing Zheng