Docs for RISC-V

[Zong Li]

On Mon, Feb 6, 2023 at 3:58 PM Leo Liang <ycliang at andestech.com> wrote:
>
> Hi Simon,
>
> On Thu, Feb 02, 2023 at 10:25:36AM -0700, Simon Glass wrote:
> > Hi,
> >
> > On Thu, 2 Feb 2023 at 10:18, Simon Glass <sjg at chromium.org> wrote:
> > >
> > > Hi Rick & Leo,
> > >
> > > I see docs for one board at [1] but I'm not sure what to do with unleashed.
> > >
> > > It seems to need a 'genimage' tool, going on what I see in CI.
> > >
>
> It does seem like that accroding to "sifive_unleashed_sdcard test.py".
> (https://source.denx.de/u-boot/custodians/u-boot-riscv/-/jobs/568342)
>
> > > Could you adjust it to use binman to output an image suitable for
> > > writing to an SD card in a single 'dd' step, as Rockchip does?
> > >
>
> I think I will both take a look at it and forward this message to guys at sifive.

Add Nylon in this thread.

Hi Nylon, I think you took some time to take a look at this, do you
have any idea about that? Thanks.

>
> > > Also, how about adding a RISC-V section here?
> > >
> > > https://u-boot.readthedocs.io/en/latest/arch/index.html
> > >
>
> Sounds great!
> I will reference what other architectures have and create a RISC-V section.
>
> >
> > Also I notice that this is incorrect:
> >
> > https://u-boot.readthedocs.io/en/latest/board/sifive/unleashed.html?highlight=fw_dynamic.bin
> >
> > since 'make PLATFORM=generic' gives errors. I think it needs CROSS_COMPILE
> >
>
> There is already an 'export CROSS_COMPILE' in the previous "building" section
> before 'make PLATFROM=generic', so I guess that is why CROSS_COMPILE is omitted in make command.
>
> > One other thing...binman output is this:
> >
> > binman: Filename 'fw_dynamic.bin' not found in input path (...)
> >
> > You should add something to tools/binman/missing-blob-help so that it
> > tells the user where to find the blob.
> >
>
> Same as the above, I will forward this to guys at sifive to see what they would like to do.
>
>
> Thanks for all the catches!
> Best regards,
> Leo
>
> > Thanks again,
> > Simon
> >
> > > Thanks,
> > > Simon
> > >
> > > [1] https://u-boot.readthedocs.io/en/latest/board/sifive/unmatched.html