On Mon, Jul 15, 2013 at 02:16:50PM +0200, Koen Kooi wrote: > > Op 15 jul. 2013, om 14:11 heeft Nishanth Menon <n...@ti.com> het volgende > geschreven: > > > For folks not using concatenated device tree with uImage, having > > an handy function to find and load device tree is very handy. > > > > So introduce findfdt and loadfdt and run findfdt by default to make > > it easier on user scripts. > > > > Signed-off-by: Nishanth Menon <n...@ti.com> > > --- > > V3: Fixes typo mistake reported in > > http://marc.info/?t=137358212300006&r=1&w=2 > > > > include/configs/omap3_beagle.h | 15 +++++++++++++++ > > 1 file changed, 15 insertions(+) > > > > diff --git a/include/configs/omap3_beagle.h b/include/configs/omap3_beagle.h > > index bdeee17..5ec8ade 100644 > > --- a/include/configs/omap3_beagle.h > > +++ b/include/configs/omap3_beagle.h > > @@ -210,6 +210,8 @@ > > #define CONFIG_EXTRA_ENV_SETTINGS \ > > "loadaddr=0x80200000\0" \ > > "rdaddr=0x81000000\0" \ > > + "fdt_high=0xffffffff\0" \ > > + "fdtaddr=0x80f80000\0" \ > > "usbtty=cdc_acm\0" \ > > "bootfile=uImage\0" \ > > "ramdisk=ramdisk.gz\0" \ > > @@ -250,6 +252,17 @@ > > "omapdss.def_disp=${defaultdisplay} " \ > > "root=${nandroot} " \ > > "rootfstype=${nandrootfstype}\0" \ > > + "findfdt=" \ > > + "if test $beaglerev = AxBx; then " \ > > + "setenv fdtfile omap3-beagle.dtb; fi; " \ > > + "if test $beaglerev = Cx; then " \ > > + "setenv fdtfile omap3-beagle.dtb; fi; " \ > > + "if test $beaglerev = xMAB; then " \ > > + "setenv fdtfile omap3-beagle-xm.dtb; fi; " \ > > + "if test $beaglerev = xMC; then " \ > > + "setenv fdtfile omap3-beagle-xm.dtb; fi; " \ > > + "if test $fdtfile = undefined; then " \ > > + "echo WARNING: Could not determine device tree to use; > > fi; \0" \ > > With the remote chance of a future xM rev D, can you make the > fallthrough be 'omap3-beagle-xm.dtb' intead of 'undefined'?
I don't like that idea. On am335x_evm configs we have undefined and then say "hey, it's undefined!" so it's clear that we don't know what to do. That in theory future xM rev D might need a different device tree for example. -- Tom
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