[PATCH] ARM: dts: hip04: move bootwrapper to SRAM

Frediano Ziglio frediano.ziglio at huawei.com
Tue Jan 13 06:18:16 PST 2015


> On Tuesday 13 January 2015 18:28:32 Wei Xu wrote:
> >
> > > Generally speaking it's not ok to change firmware interfaces in an
> > > incompatible way. The preferred way to handle this would be to have
> > > the firmware that puts the boot wrapper into a different place also
> > > update this property, if at all possible.
> >
> > I very agreed with you.
> >
> > But before we have two kind of firmwares one is boot from SVC
> > supporting PXE/NAND/SATA/GRUB booting and the other is boot from HYP
> > just supporting NAND booting.
> > This time we updated the firmware and made it boot from HYP
> supporting
> > PXE/NAND/SATA/GRUB as we hoped(thanks for Alex's supporting!).
> >
> > Since we have to publish a new firmware I think it is a chance to
> > update the dts of kernel. How do you think about it?
> 
> The intention is certainly good. If you expect no further incompatible
> changes, how about adding another .dts file for this machine that can
> work with the old firmware?
> 
> 	Arnd

Would much prefer to have PSCI support instead directly in the firmware.

Frediano




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