Re: Re: [PATCH] rockchip: rk3399: nanopc-t4: use 1600MHz sdram config

I'm not satisfied with this result. All of FriendlyARM's official system images use 800Mhz DDR binary. So they shouldn't found any problem when some boards' DRAM cannot run at 933Mhz. Although they tested them using 933Mhz DDR binary, my board will still pass the test. But now TPL initialized DRA

Re: Re: [PATCH] rockchip: rk3399: nanopc-t4: use 1600MHz sdram config

> Does the 1866M worked for your board before? 1866M ddr blobs from rkbin works fine on my board, but TPL works bad every time. I have never encountered an exception of this result. > I think this config should be fine for other people, it has been > submit for 4 years. For another tester, this co

Re: [PATCH] rockchip: rk3399: nanopc-t4: use 1600MHz sdram config

Hi Lu jicong,     Does the 1866M worked for your board before?     I think this config should be fine for other people, it has been submit for 4 years. Thanks, - Kever On 2023/7/5 21:58, Lu jicong wrote: Current 1866MHz sdram config is too high for NanoPC-T4. On this frequency, its lpddr3