On Fri, May 2, 2014 at 3:15 PM, robertcnelson <robertcnel...@gmail.com> wrote: > From: Robert Nelson <robertcnel...@gmail.com> > > Fall back to previous dtb used when omap3-beagle-xm-ab.dtb doesn't exist in > file system > > Signed-off-by: Robert Nelson <robertcnel...@gmail.com> > CC: Tom Rini <tr...@ti.com> > CC: Nishanth Menon <n...@ti.com> > --- > include/configs/omap3_beagle.h | 8 +++++++- > 1 file changed, 7 insertions(+), 1 deletion(-) > > diff --git a/include/configs/omap3_beagle.h b/include/configs/omap3_beagle.h > index a1d38ff..06b9006 100644 > --- a/include/configs/omap3_beagle.h > +++ b/include/configs/omap3_beagle.h > @@ -248,6 +248,12 @@ > "setenv fdtfile omap3-beagle-xm.dtb; fi; " \ > "if test $fdtfile = undefined; then " \ > "echo WARNING: Could not determine device tree to > use; fi; \0" \ > + "validatefdt=" \ > + "if test $beaglerev = xMAB; then " \ > + "if test ! -e mmc ${bootpart} ${bootdir}/${fdtfile}; > then " \ > + "setenv fdtfile omap3-beagle-xm.dtb; " \ > + "fi; " \ > + "fi; \0" \ > "bootenv=uEnv.txt\0" \ > "loadbootenv=fatload mmc ${mmcdev} ${loadaddr} ${bootenv}\0" \ > "importbootenv=echo Importing environment from mmc ...; " \ > @@ -263,7 +269,7 @@ > "rootfstype=${ramrootfstype}\0" \ > "loadramdisk=load mmc ${bootpart} ${rdaddr} ${bootdir}/${ramdisk}\0" \ > "loadimage=load mmc ${bootpart} ${loadaddr} ${bootdir}/${bootfile}\0" > \ > - "loadfdt=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \ > + "loadfdt=run validatefdt; load mmc ${bootpart} ${fdtaddr} > ${bootdir}/${fdtfile}\0" \ > "mmcboot=echo Booting from mmc ...; " \ > "run mmcargs; " \ > "bootm ${loadaddr}\0" \ > -- > 1.9.2
Little git send-email failure here, I was trying to send this second as patch as [RFC]. This is my first thoughts of keeping backward compatibility with less then v3.15-rc3 kernels. Thoughts? Regards, -- Robert Nelson http://www.rcn-ee.com/ _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot