Re: [U-Boot] [WIP PATCH 0/2] arm: socfpga: Add Cadence QSPI support

2014-09-23 Thread Stefan Roese

Hi Chin Liang,

On 23.09.2014 12:20, Chin Liang See wrote:

Perhaps somebody from Altera with deeper Cadence SPI controller knowledge
can take a quick look at this. Could be a pretty obvious mistake that I
made while copying / porting the code. Or something else thats simply
missing.

Any hints are really appretiated!



Dear Stefan,

I can help to take a look as I was trying to upstream this code
previously. But it was later on hold as the SPI driver / framework is
under going some revamp. Hopefully I have some bandwidth tomorrow to
start looking into Marek and your patches.


Thanks! That would be great. I'll continue a bit this afternoon with 
this task as its a bit pressing right now. I'll let you know if I find 
the problem.


Thanks,
Stefan

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Re: [U-Boot] [WIP PATCH 0/2] arm: socfpga: Add Cadence QSPI support

2014-09-23 Thread Chin Liang See
On Mon, 2014-09-22 at 16:28 +0200, ZY - sr wrote:
> Hi SoCFPGA-developers!
> 
> I'm currently using Marek's latest SoCFPGA port. This works really great so 
> far.
> Thank you all for this effort.
> 
> What I need additionally is SPI NOR flash support. So I talked a bit with 
> Marek
> and tried to port the Cadence QSPI driver to mainline U-Boot (on-top of 
> Marek's
> patch set of course). This version in these patches now compiles clean. And
> detecting of the SPI flash also works good. Reading also seems to be okay.
> Only easing and writing have some problems.
> 
> Perhaps somebody from Altera with deeper Cadence SPI controller knowledge
> can take a quick look at this. Could be a pretty obvious mistake that I
> made while copying / porting the code. Or something else thats simply
> missing.
> 
> Any hints are really appretiated!
> 

Dear Stefan,

I can help to take a look as I was trying to upstream this code
previously. But it was later on hold as the SPI driver / framework is
under going some revamp. Hopefully I have some bandwidth tomorrow to
start looking into Marek and your patches.

Chin Liang


> BTW: I'm currently testing this on the EBV SoCrates board.
> 
> Thanks,
> Stefan
> 
> Cc: Chin Liang See 
> Cc: Dinh Nguyen 
> Cc: Vince Bridgers 
> Cc: Marek Vasut 
> Cc: Pavel Machek 


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[U-Boot] [WIP PATCH 0/2] arm: socfpga: Add Cadence QSPI support

2014-09-22 Thread Stefan Roese
Hi SoCFPGA-developers!

I'm currently using Marek's latest SoCFPGA port. This works really great so far.
Thank you all for this effort.

What I need additionally is SPI NOR flash support. So I talked a bit with Marek
and tried to port the Cadence QSPI driver to mainline U-Boot (on-top of Marek's
patch set of course). This version in these patches now compiles clean. And
detecting of the SPI flash also works good. Reading also seems to be okay.
Only easing and writing have some problems.

Perhaps somebody from Altera with deeper Cadence SPI controller knowledge
can take a quick look at this. Could be a pretty obvious mistake that I
made while copying / porting the code. Or something else thats simply
missing.

Any hints are really appretiated!

BTW: I'm currently testing this on the EBV SoCrates board.

Thanks,
Stefan

Cc: Chin Liang See 
Cc: Dinh Nguyen 
Cc: Vince Bridgers 
Cc: Marek Vasut 
Cc: Pavel Machek 
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