[U-Boot] [PATCH] add block write function to spartan3 slave serial load

Wolfgang Denk wd at denx.de
Wed Dec 2 22:44:55 CET 2009


Dear Wolfgang Wegner,

In message <1256918102-3760-1-git-send-email-w.wegner at astro-kom.de> you wrote:
> Using seperate function calls for each bit-bang of slave serial
> load can be painfully slow. This patch adds the possibility to
> supply a block write function that loads the complete block of
> data in one call (like it can already be done with Altera FPGAs).
> On an MCF5373L (240 MHz) loading an XC3S4000 this reduces the load
> time from around 15 seconds to around 3 seconds

Where is this block write function being implemented?

I don't see it anywhere in the patch, nor any code that actually uses
it?

Best regards,

Wolfgang Denk

-- 
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
You may call me by my name, Wirth, or by my value, Worth.
- Nicklaus Wirth


More information about the U-Boot mailing list