[PATCH 3/5] arm: initial support for Marvell Dove SoCs

[Thomas Petazzoni]

Dear Sebastian Hesselbarth,

On Mon, 13 May 2013 18:30:08 +0200, Sebastian Hesselbarth wrote:

> > No, I did not test that, it was just a supposition from me that it
> > would work. I was under the impression that the SoC would load the
> > entire image in SRAM, and then go through the DATA commands and
> > apply them. But of course, if it does apply each and every DATA
> > command as soon as it receives them, then it cannot work, and
> > Barebox will have to do its remapping and give up the possibility
> > of being booted by itself.
> 
> Hmm, Dove spec says about BootROM Address Decoding:
> "BootROM firmware uses the default address map, and does not change it
> throughout the entire boot process."
> 
> And of course, if you change the address map early, BootROM will fail
> to access peripherals (SPI, I2C, NAND, ...).
> 
> Remap by kwbimage.cfg looks like a no-go.

Looks like, yes. Thanks for the testing and investigation!

Thomas
-- 
Thomas Petazzoni, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
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