Docs for RISC-V

[Zong Li]

On Wed, Feb 8, 2023 at 4:07 PM Rick Chen <rickchen36 at gmail.com> wrote:
>
> Hi Zong,
>
> > From: Leo Yu-Chi Liang(梁育齊) <ycliang at andestech.com>
> > Sent: Monday, February 06, 2023 3:58 PM
> > To: Simon Glass <sjg at chromium.org>
> > Cc: U-Boot Mailing List <u-boot at lists.denx.de>; Rick Jian-Zhi Chen(陳建志) <rick at andestech.com>; zong.li at sifive.com; vincent.chen at sifive.com
> > Subject: Re: Docs for RISC-V
> >
> > 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.
>
> Would you please take a look at this item ?

Hi Rick,
No problem, let me take a look at it, and give you all some feedback
later. Thanks.

>
> Thanks,
> Rick
>
> > > >
> >
> > 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.
> >
> > > > 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?hi
> > > ghlight=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