[PATCH v8 2/4] fpga manager: add sysfs interface document

Pavel Machek pavel at denx.de
Thu Jan 15 21:52:59 UTC 2015


On Tue 2015-01-13 16:21:33, One Thousand Gnomes wrote:
> On Mon, 12 Jan 2015 11:06:08 -0700
> Jason Gunthorpe <jgunthorpe at obsidianresearch.com> wrote:
> 
> > On Sun, Jan 11, 2015 at 10:29:00AM -0600, atull wrote:
> > > the FPGA image.  If someone wants there to be only one FPGA image on
> > > the FGPA forever, they will probably not be using this framework; their
> > > FPGA will probably be loaded before Linux boots up.
> > 
> > Nonsense, loading the FPGA through Linux is much better
> 
> You need both. There are platforms where the FPGA must be loaded to even
> boot the OS (for example Linux running an FPGA soft 486 can't run until
> the FPGA has the CPU loaded into it.

Well, but then the thing that programs FPGA is not Linux, so this is
little off-topic here. [But yes, there are systems where you want to
program FPGA from bootloader, because it is easier that way, or maybe
because it provides your video card.]

									Pavel

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