On Fri, Jan 30, 2015 at 07:51:19PM +0100, Robert Jarzmik wrote: > Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> writes: > > > On Thu, Jan 29, 2015 at 08:25:54PM +0100, Robert Jarzmik wrote: > >> Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> writes: > >> I think the solution in arch/arm/boards/mioa701/board.c (remapping the 0x0 > >> address) should work here : > >> docg3_iospace = map_io_sections(0x0, (void *)0xe0000000, 0x2000); > > > > We could create a /dev/zeropage with the code above. That would make the > > zero page generally available. I don't know if this is worth the effort > > though. > > Yeah, I don't know if it's worth it either. And how "big" should this > /dev/zeropage be (4k, 1M, ...) ? It should be one page, so 4k. But as Jan said, special casing the first page in /dev/mem sounds better. Sascha -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
