On 08/21/2011 09:40 AM, Albert ARIBAUD wrote: > Hi Rob, > > Le 21/08/2011 15:16, Rob Herring a écrit : >> From: Rob Herring<rob.herr...@calxeda.com> >> >> Add basic support for Calxeda Highbank platform. Only minimal support >> with >> serial and SATA are included. >> >> Signed-off-by: Jason Hobbs<jason.ho...@calxeda.com> >> Signed-off-by: Rob Herring<rob.herr...@calxeda.com> >> Cc: Albert ARIBAUD<albert.u.b...@aribaud.net> >> --- > > This applies to u-boot-arm/master, with three empty lines at end of new > files removed, but the compilation with ELDK 4.2 fails with: > > uboot@lilith:~/src/u-boot-arm$ ./MAKEALL highbank > Configuring for highbank board... > include/common.h:0: error: bad value (armv7-a) for -march= switch > include/common.h:0: error: bad value (armv7-a) for -march= switch > lib/asm-offsets.c:1: error: bad value (armv7-a) for -march= switch > make: *** [lib/asm-offsets.s] Erreur 1 > arm-linux-size: './u-boot': No such file > > --------------------- SUMMARY ---------------------------- > Boards compiled: 1 > Boards with warnings or errors: 1 ( highbank ) > ---------------------------------------------------------- > > Seems like ELDK 4.2 does not know armv7-a. Is it a requirement that this > board build with this march flag? >
With device tree, there are lots of endian conversions. With v7, those conversions are a single inline "rev" instruction vs. 10-20 assembly instructions. Since there is no state maintained in the fdt code, the conversions are done over and over. So there's not a hard requirement, but it is something I will always set and I imagine others with v7 platforms will want to also. I think Tegra prevents doing this change globally. Rob _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
