[U-Boot] [PATCH 06/12] armv8: ls2080aqds: Config QSPI pin mux via FPGA in NAND boot

[Yao Yuan]

On 03/03/2016 12:52 AM, York Sun wrote:
> On 03/02/2016 02:41 AM, Yuan Yao wrote:
> > From: Yuan Yao <yao.yuan at nxp.com>
> >
> > If we want to access QSPI flash when boot from NAND,
> 
> Is this "either this or that" choice? Is there any limitation after configuring pin
> mux?

No, there is no any limitation.
Just make a distinction between the different NAND source.
And deasserted unused ISO will approve the performance.

Such as for LS2080AQDS, the last three bits for brdcfg[9] should be set to 
0b'001.

> > we need below board configuration:
> > Boot Source             ISO1    ISO2    IBOOT
> > On-board NAND   1       0       0
> > IFCCARD NAND    0       0       1
> 
> This should be added to README file.
> 

So I need remove it from the uboot code?