On Fri, Jul 28, 2023 at 2:47 PM Conor Dooley <conor.dooley@xxxxxxxxxxxxx> wrote: > > On Fri, Jul 28, 2023 at 02:01:28PM +0800, Eric Lin wrote: > > Hi Krzysztof, > > > > On Fri, Jul 21, 2023 at 4:35 PM Krzysztof Kozlowski > > <krzysztof.kozlowski@xxxxxxxxxx> wrote: > > > > > > On 20/07/2023 15:51, Eric Lin wrote: > > > > This add YAML DT binding documentation for SiFive Private L2 > > > > cache controller > > > > > > > > Signed-off-by: Eric Lin <eric.lin@xxxxxxxxxx> > > > > Reviewed-by: Zong Li <zong.li@xxxxxxxxxx> > > > > Reviewed-by: Nick Hu <nick.hu@xxxxxxxxxx> > > > > > > > > > ... > > > > > > > +properties: > > > > + compatible: > > > > + items: > > > > + - const: sifive,pl2cache1 > > > > > > I still have doubts that it is not used in any SoC. This is what you > > > said last time: "is not part of any SoC." > > > If not part of any SoC, then where is it? Why are you adding it to the > > > kernel? > > > > > > > Sorry for the late reply. I didn't describe it clearly last time. > > Currently, we have two hardware versions of pl2cache: pl2cache0 and pl2cache1. > > The pl2cache0 is used in unmatched board SoC. > > Wait a second, does the fu740 on the unmatched not have a ccache as > it's L2 cache? > Hi Conor, Sorry, I misremember the L2 cache on the unmatched board. I just check again. The unmatched board L2 cache is ccache not pl2cache0. You are right. Thanks. Best regards, Eric Lin > > The pl2cache1 is > > utilized in our internal FPGA platform for evaluation; it's our core > > IP.