[U-Boot-Users] ARM VersatilePB - Fixed flash support

[Shawn <shawnxjin@gmail.com>]

Philippe,

> > One issue I've encoutered is flash write timeout of a big
> > chunk of data (> 128KB). Write always times out no matter how
> > big the value of CFG_FLASH_WRITE_TOUT is. The issue hasn't
> > been solved yet. Any hints are appreciated.
> 
> I have tried with removing the test for timeout in the write_data()
> routine, just looping on the status:
> 
>    while (((status = *addr) & (FPW) 0x00800080) != (FPW) 0x00800080) ;
> 
> This worked fine for large amounts of data so the timeout value is
> probably too low. Let me know if this is the same with your setting.

Good try. I'm not sure if this is a decent fix. It's possible that
Flash write gets stuck in while loop if there is a real problem. It
may be other factor(s) that cause this problem. For example, timer is
not accurate?

Best regards,
-Shawn.