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

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

Hi Stefan,

On Thu, 2015-11-26 at 07:12 +0100, Stefan Roese wrote:
> On 26.11.2015 03:32, Chin Liang See wrote:
> > Adding new environment qspiload which will load zImage and
> > Linux DTB from serial NOR flash. The default flash offset for
> > the images as below and they are configurable during run time.
> > 
> > - zImage located at 0xa0000 with assuming file size 6MB
> > - Linux DTB located at 0x50000 with assuming file size 28kB
> > 
> > Please adjust the file size env var if exceeding the default
> > 
> > Signed-off-by: Chin Liang See <clsee@altera.com>
> > Cc: Dinh Nguyen <dinguyen@opensource.altera.com>
> > Cc: Dinh Nguyen <dinh.linux@gmail.com>
> > Cc: Pavel Machek <pavel@denx.de>
> > Cc: Marek Vasut <marex@denx.de>
> > Cc: Stefan Roese <sr@denx.de>
> > ---
> >   include/configs/socfpga_arria5_socdk.h   | 10 +++++++++-
> >   include/configs/socfpga_cyclone5_socdk.h | 10 +++++++++-
> >   2 files changed, 18 insertions(+), 2 deletions(-)
> > 
> > diff --git a/include/configs/socfpga_arria5_socdk.h
> > b/include/configs/socfpga_arria5_socdk.h
> > index 91ecbf7..0506336 100644
> > --- a/include/configs/socfpga_arria5_socdk.h
> > +++ b/include/configs/socfpga_arria5_socdk.h
> > @@ -77,9 +77,11 @@
> >   	"ramboot=setenv bootargs " CONFIG_BOOTARGS ";" \
> >   		"bootm ${loadaddr} - ${fdt_addr}\0" \
> >   	"bootimage=zImage\0" \
> > +	"bootimagesize=0x600000\0" \
> >   	"fdt_addr=100\0" \
> >   	"fdtimage=socfpga.dtb\0" \
> > -		"fsloadcmd=ext2load\0" \
> > +	"fdtimagesize=0x7000\0" \
> > +	"fsloadcmd=ext2load\0" \
> >   	"bootm ${loadaddr} - ${fdt_addr}\0" \
> >   	"mmcroot=/dev/mmcblk0p2\0" \
> >   	"mmcboot=setenv bootargs " CONFIG_BOOTARGS \
> > @@ -90,6 +92,12 @@
> >   		"load mmc 0:1 ${fdt_addr} ${fdtimage}\0" \
> >   	"qspiroot=/dev/mtdblock0\0" \
> >   	"qspirootfstype=jffs2\0" \
> > +	"qspiloadcs=0\0" \
> > +	"qspibootimageaddr=0xa0000\0" \
> > +	"qspifdtaddr=0x50000\0" \
> > +	"qspiload=sf probe ${qspiloadcs};" \
> > +		"sf read ${loadaddr} ${qspibootimageaddr}
> > ${bootimagesize};" \
> > +		"sf read ${fdt_addr} ${qspifdtaddr}
> > ${fdtimagesize};\0" \
> >   	"qspiboot=setenv bootargs " CONFIG_BOOTARGS \
> >   		" root=${qspiroot} rw
> > rootfstype=${qspirootfstype};"\
> >   		"bootm ${loadaddr} - ${fdt_addr}\0"
> > diff --git a/include/configs/socfpga_cyclone5_socdk.h
> > b/include/configs/socfpga_cyclone5_socdk.h
> > index b5cf393..d7369ee 100644
> > --- a/include/configs/socfpga_cyclone5_socdk.h
> > +++ b/include/configs/socfpga_cyclone5_socdk.h
> > @@ -77,9 +77,11 @@
> >   	"ramboot=setenv bootargs " CONFIG_BOOTARGS ";" \
> >   		"bootm ${loadaddr} - ${fdt_addr}\0" \
> >   	"bootimage=zImage\0" \
> > +	"bootimagesize=0x600000\0" \
> >   	"fdt_addr=100\0" \
> >   	"fdtimage=socfpga.dtb\0" \
> > -		"fsloadcmd=ext2load\0" \
> > +	"fdtimagesize=0x7000\0" \
> > +	"fsloadcmd=ext2load\0" \
> >   	"bootm ${loadaddr} - ${fdt_addr}\0" \
> >   	"mmcroot=/dev/mmcblk0p2\0" \
> >   	"mmcboot=setenv bootargs " CONFIG_BOOTARGS \
> > @@ -90,6 +92,12 @@
> >   		"load mmc 0:1 ${fdt_addr} ${fdtimage}\0" \
> >   	"qspiroot=/dev/mtdblock0\0" \
> >   	"qspirootfstype=jffs2\0" \
> > +	"qspiloadcs=0\0" \
> > +	"qspibootimageaddr=0xa0000\0" \
> > +	"qspifdtaddr=0x50000\0" \
> > +	"qspiload=sf probe ${qspiloadcs};" \
> > +		"sf read ${loadaddr} ${qspibootimageaddr}
> > ${bootimagesize};" \
> > +		"sf read ${fdt_addr} ${qspifdtaddr}
> > ${fdtimagesize};\0" \
> >   	"qspiboot=setenv bootargs " CONFIG_BOOTARGS \
> >   		" root=${qspiroot} rw
> > rootfstype=${qspirootfstype};"\
> >   		"bootm ${loadaddr} - ${fdt_addr}\0"
> 
> I know that you didn't introduce this here, but wouldn't it make
> sense to switch to the generic FS commands, "load" and "ls" instead
> of using the specific ones "ext2load" etc? Especially since EXT2
> is a bit deprecated.
> 

Yah, we should be using newer ext command. Let me drop another patch to
use load command. Thanks for raising this.

Thanks
Chin Liang


> Thanks,
> Stefan
>