> >>On Sun, Oct 01, 2023 at 06:34:21AM +0800, Inochi Amaoto wrote: >>> Hi, Jisheng >> >>>> Add initial device tree for the CV1800B RISC-V SoC by SOPHGO. >> >>> >>> You add the clint dt-bindings of CV1800B clint, but I don't see the clint >>> node in this dt. The SBI needs this clint node to provide timer for linux. >>> AFAIK, the dt of SBI comes from the linux or the bootloader, and bootloader >>> may load the linux dt and pass it to the SBI. I think it is better to add >>> the clint node. >> >>> In addition, please separate the peripheral node to a different file, which >>> can be reused by both the CV1800 series and CV1810 series. >> >>How do these SoCs differ? > >AFAIK, the most peripheral of CV1800 and CV1810 are the same. there are >only a few difference between CV1800 and CV1810: >1. CV1810 have mmc interrupt, but CV1800 have none >2. CV1810 have more RAM and a more powerful TPU. >3. Some models of CV1810 support I2S. > >Also is some you have already mentioned, the video capabilities (including >encoding, output steam number, input steam number) are different. > >The only board with a CV1800 soc is Huashan Pi (CV1812H). > A mistake, I mean CV1810 soc, not the CV1800 one. >>Documentation seems rather lacking, but I was able to find something on >>github that suggests there is also a cv180zb. The difference between the >>three seems to, from a quick look, be their video encoding capabilities. >>Is that correct? >> > >Yes. it is correct. >It seems like you have forgot a chip called CV1801B, which has 128MB >RAM. But I see no board with this soc, so at now it is not necessary to >care it. > >
