[U-Boot] [PATCH 3/4 v2] arm: Support new Xilinx Zynq platform

Marek Vasut marex at denx.de
Thu Sep 13 14:32:21 CEST 2012


Dear Michal Simek,

> On 09/13/2012 12:31 PM, Marek Vasut wrote:
> > Dear Michal Simek,
> > 
> >> On 09/13/2012 11:31 AM, Marek Vasut wrote:
> >>> Dear Michal Simek,
> >>> 
> >>> [...]
> >>> 
> >>>> +#include <config.h>
> >>>> +#include <linux/linkage.h>
> >>>> +
> >>>> +ENTRY(lowlevel_init)
> >>>> +        mov     pc, lr
> >>>> +ENDPROC(lowlevel_init)
> >>> 
> >>> inline void lowlevel_init(void) {} works as well and you don't need the
> >>> assembly file.
> >>> 
> >> :-) yes. The reason why I have done it in this way that we have some asm
> >> :code
> >> 
> >> which will go to this area. That's why I have kept it in asm instead of
> >> C.
> > 
> > What code? Will the code go into lowlevel_init() ?
> 
> For example SLCR locking if is not locked from the first stage bootloader.
> Also if necessary OCM and DDR remap, FPGA reset can be also there
> based on configuration.

Can it not be in C code ?

> Thanks,
> Michal

Best regards,
Marek Vasut


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