On Thu, Apr 20, 2023 at 04:38:48PM +0800, Jiawen Wu wrote: > It needs to implement compat->pma_config, and add a flag in struct dw_xpcs > to indicate board with specific pma configuration. For 10GBASE-R interface, it > relatively simple, but a bit more complicate for 1000BASE-X since there are > logic conflicts in xpcs_do_config(), I haven't resolved yet. > > In addition, reconfiguring XPCS will cause some known issues that I need to > workaround in the ethernet driver. So I'd like to add configuration when I > implement rate switching. > > There is a piece codes for my test: The PMA initialization procedure looks pretty clean to me (although I'm not clear why it depends upon xpcs->flags & DW_MODEL_WANGXUN_SP when the registers seem to be present in the common databook), and having it in the XPCS driver seems much preferable to depending on an unknown previous initialization stage. Could you detail a bit the known issues and the 1000BASE-X conflicts in xpcs_do_config()?
