[PATCH 08/11] ARM: socfpga: Add FPGA programming command

[Sascha Hauer]

Hi Steffen,

On Mon, Sep 16, 2013 at 12:40:41PM +0200, Steffen Trumtrar wrote:
> Hi!
> 
> On Mon, Sep 16, 2013 at 10:48:17AM +0200, Sascha Hauer wrote:
> > This adds a simple socfpga specific 'fpga' command to load a firmware
> > to the FPGA. For the moment this is enough, but should we get more
> > FPGA support it might be a good idea to introduce some generic framework
> > and command.
> > 
> > Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
> > ---
> >  arch/arm/mach-socfpga/Kconfig                     |   5 +
> >  arch/arm/mach-socfpga/Makefile                    |   1 +
> >  arch/arm/mach-socfpga/fpga.c                      | 422 ++++++++++++++++++++++
> >  arch/arm/mach-socfpga/include/mach/socfpga-regs.h |   2 +
> >  4 files changed, 430 insertions(+)
> >  create mode 100644 arch/arm/mach-socfpga/fpga.c
> > 
> 
> Why did you chose to have an extra command for fpga loading instead of having
> just a (block)device? Do you see any future advantage in that or is it just
> because of the port from u-boot? I know that they need an extra fpga command, but
> they also have an extra mmcload command and stuff.

Main reason was that I was unsure how good a block device will be when
we get a different firmware format to load (rbf vs. sof vs. something
else)

Sascha

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