[U-Boot] [PATCH] ls1088a: qspi: Enable XIP mode above 16 MB addresses

[Rajat Srivastava]

> -----Original Message-----
> From: York Sun
> Sent: Tuesday, February 06, 2018 10:38 PM
> To: Rajat Srivastava <rajat.srivastava at nxp.com>; u-boot at lists.denx.de
> Subject: Re: [PATCH] ls1088a: qspi: Enable XIP mode above 16 MB addresses
> 
> On 02/06/2018 02:59 AM, Rajat Srivastava wrote:
> >
> >
> <snip>
> 
> >> How do you put the image into it to begin with? Don't tell me you
> >> were using an external tool or a hacked version of older U-Boot.
> >>
> > This patch enables data read above 16MB using AHB (on Uboot prompt)
> > and does not involve our QSPI driver. It is equivalent to reading from DDR via
> cp or md commands.
> > Whereas writing to flash is possible via IPS mode which involves our
> > driver (using sf commands).
> >
> OK. So we are still far away to have the full flash supported.
> 
AHB Write is not supported by QSPI hardware.

Rajat