[U-Boot] [PATCH v1] arm: socfpga: Enable load zImage and Linux DTB from USB

[Marek Vasut]

On Thursday, November 26, 2015 at 07:14:56 AM, Stefan Roese wrote:
> On 26.11.2015 04:17, Chin Liang See wrote:
> > Adding new environment usbload which will load zImage and
> > Linux DTB from USB mass storage through FAT file system.
> > 
> > Signed-off-by: Chin Liang See <clsee at altera.com>
> > Cc: Dinh Nguyen <dinguyen at opensource.altera.com>
> > Cc: Dinh Nguyen <dinh.linux at gmail.com>
> > Cc: Pavel Machek <pavel at denx.de>
> > Cc: Marek Vasut <marex at denx.de>
> > Cc: Stefan Roese <sr at denx.de>
> > ---
> > 
> >   include/configs/socfpga_arria5_socdk.h   | 5 ++++-
> >   include/configs/socfpga_cyclone5_socdk.h | 5 ++++-
> >   2 files changed, 8 insertions(+), 2 deletions(-)
> > 
> > diff --git a/include/configs/socfpga_arria5_socdk.h
> > b/include/configs/socfpga_arria5_socdk.h index 0506336..f488b00 100644
> > --- a/include/configs/socfpga_arria5_socdk.h
> > +++ b/include/configs/socfpga_arria5_socdk.h
> > @@ -100,7 +100,10 @@
> > 
> >   		"sf read ${fdt_addr} ${qspifdtaddr} ${fdtimagesize};\0" \
> >   	
> >   	"qspiboot=setenv bootargs " CONFIG_BOOTARGS \
> >   	
> >   		" root=${qspiroot} rw rootfstype=${qspirootfstype};"\
> > 
> > -		"bootm ${loadaddr} - ${fdt_addr}\0"
> > +		"bootm ${loadaddr} - ${fdt_addr}\0" \
> > +	"usbload=usb reset;" \
> > +		"fatload usb 0 ${loadaddr} ${bootimage};" \
> > +		"fatload usb 0 ${fdt_addr} ${fdtimage}\0"
> > 
> >   /* The rest of the configuration is shared */
> >   #include <configs/socfpga_common.h>
> > 
> > diff --git a/include/configs/socfpga_cyclone5_socdk.h
> > b/include/configs/socfpga_cyclone5_socdk.h index d7369ee..40a4f08 100644
> > --- a/include/configs/socfpga_cyclone5_socdk.h
> > +++ b/include/configs/socfpga_cyclone5_socdk.h
> > @@ -100,7 +100,10 @@
> > 
> >   		"sf read ${fdt_addr} ${qspifdtaddr} ${fdtimagesize};\0" \
> >   	
> >   	"qspiboot=setenv bootargs " CONFIG_BOOTARGS \
> >   	
> >   		" root=${qspiroot} rw rootfstype=${qspirootfstype};"\
> > 
> > -		"bootm ${loadaddr} - ${fdt_addr}\0"
> > +		"bootm ${loadaddr} - ${fdt_addr}\0" \
> > +	"usbload=usb reset;" \
> > +		"fatload usb 0 ${loadaddr} ${bootimage};" \
> > +		"fatload usb 0 ${fdt_addr} ${fdtimage}\0"
> 
> Again, please use the generic FS commands here, e.g. "load" instead
> of "fatload".
> 
> And doesn't it make sense to consolidate these common, identical
> commands into a common file (socfpga_common.h)?

Even better -- why not switch to distro_bootcmd and/or update it to support
booting from USB (it probably already does).

Best regards,
Marek Vasut