[U-Boot-Users] [PATCH] Fixed reset for syscon3

York Sun yorksun at freescale.com
Fri May 9 21:31:15 CEST 2008


On Fri, 2008-05-09 at 19:43 +0200, Wolfgang Denk wrote:
> In message <1210354701.2948.14.camel at r54964-12.am.freescale.net> you wrote:
> > 
> > I don't think this patch is necessary because for all e500v2 core,
> > setting RSTCR is the right way to reset the board.
> 
> Agreed,t hat's how it should wor. But it doesn't on the syscon3 board.
> 
> > I think you should check board FPGA. I met the similar problem before.
> > Since FPGA did not correctly route the HRESET_REQ signal, setting RSTCR
> > did not cause reset. After hardware person fixed the FPGA code, it
> > worked fine.
> 
> Ummm... This is on a custom design, the syscon3 board.  There  is  no
> FPGA there...
> 

There must be some mechanism to reset the board if the HRESET_REQ is
connected. If not connected, the board design must accomplish it in
another way. Then the platform code should take care of that.

York





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