[U-Boot] [PATCH] doc: socfpga: Update README.socfpga for Preloader development flow

[Chin Liang See <clsee@altera.com>]

On Wed, 2016-09-21 at 11:59 +0200, Marek Vasut wrote:
> On 09/21/2016 04:35 AM, Chin Liang See wrote:
> > Update documentation to include the Cyclone V SoC Preloader
> > development flow. This include the update of Preloader handoff
> > through qts-filter.sh script. At same time, removed the SDMMC
> > documentation as its using DM now.
> 
> Good stuff . s/folder/directory/ , this is not windows.

haha sound like a habit using windows term :)

> 
> > Signed-off-by: Chin Liang See <clsee@altera.com>
> > Cc: Marek Vasut <marex@denx.de>
> > Cc: Dinh Nguyen <dinguyen@opensource.altera.com>
> > ---
> >  doc/README.socfpga | 69 +++++++++++++++++++++++-------------------
> > ------------
> >  1 file changed, 29 insertions(+), 40 deletions(-)
> > 
> > diff --git a/doc/README.socfpga b/doc/README.socfpga
> > index cfcbbfe..04c5c0e 100644
> > --- a/doc/README.socfpga
> > +++ b/doc/README.socfpga
> > @@ -9,45 +9,34 @@ www.altera.com.
> 
> [...]
> 
> > +1. Please refer to SOCEDS documentation on generating handoff for
> > Preloader
> > +   Upon successful generation, there will be a folder
> > "software/preloader" at
>                                                   ^^^^^^
> > +   the directory of your Qsys project.
> > +
> > +2. Then, you need to invoke qts-filter.sh at arch/arm/mach-socfpga
> > folder to
> > +   process the generated handoff files into Preloader source code.
> > +   $ sh arch/arm/mach-socfpga/qts-filter.sh <device> <your Qsys
> > directory> \
> > +     <your Qsys directory>/software/preloader> <destination of
> > handoff files>
> > +
> > +   Example:
> > +
> > +   $ cd <u-boot directory>
> > +   $ sh arch/arm/mach-socfpga/qts-filter.sh cyclone5 \
> > +     /hardware/cv_soc_devkit_ghrd/ \
> > +     /hardware/cv_soc_devkit_ghrd/software/preloader/ \
> > +     board/altera/cyclone5-socdk/qts/
> 
> You should be explicit that these are two separate examples , one for
> CV
> and the other one for AV .

Sure, always to good to explain in detailed

> 
> > +   $ cd <u-boot directory>
> > +   $ sh arch/arm/mach-socfpga/qts-filter.sh arria5 \
> > +     /hardware/av_soc_devkit_ghrd/ \
> > +     /hardware/av_soc_devkit_ghrd/software/preloader/
> > +     board/altera/arria5-socdk/qts/
> > +
> > +3. Build the Preloader + U-Boot
> 
> It's called U-Boot SPL , not preloader .

Will fix

> 
> > +   $ export CROSS_COMPILE=arm-altera-eabi-
> > +   $ make mrproper
> > +   $ make socfpga_cyclone5_defconfig
> > +   $ make
> 
> It's worth mentioning the generated u-boot-with-spl.sfp and how to
> install it onto a card (mention partitioning layout) and into QSPI
> NOR (just write the binary at the beginning). Regarding QSPI NOR, it
> might be worth mentioning quartus_hps, see :
> https://rocketboards.org/foswiki/view/Documentation/GSRD131QspiProgra
> m
> 

Sure, I will add more as I just received email to explain these steps
:)

Thanks
Chin Liang

> 
>