David Gibson wrote:
> On Thu, Jun 05, 2008 at 08:43:51AM -0500, Kumar Gala wrote:
>> On Jun 5, 2008, at 4:05 AM, Wolfgang Grandegger wrote:
> [snip]
>>> + timebase-frequency = <0>; // from U-Boot
>>> + bus-frequency = <0>; // from U-Boot
>>> + clock-frequency = <0>; // from U-Boot
>> u-boot will add this for us so no need for them.
>
> I think it's worth including them (with the comments) for
> documentation purposes though. Plus allowing the bootloader and
> bootwrapper to just replace property values without resizing or
> inserting is somewhat worthwhile of itself.
I understand your point and while testing the new blob, I realized that
the DTB image created with
$ make ARCH=powerpc tqm8548.dtb
does not work because work space is missing:
## Flattened Device Tree blob at 00900000
Booting using the fdt blob at 0x900000
Loading Device Tree to 007fe000, end 007ff8e0 ... OK
WARNING: could not create /chosen FDT_ERR_NOSPACE.
ERROR: /chosen node create failed - must RESET the board to recover.
As I see it, I have to define DTS_FLAGS manually
$ export DTS_FLAGS="-R4 -S0x3000"
$ make ARCH=powerpc tqm8548.dtb
to get a working blob. Is that the intended behavior?
Wolfgang.
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