[U-Boot-Users] Command "dcache on" for MPC850 isn't valid

Wolfgang Denk wd at denx.de
Wed Apr 11 15:09:42 CEST 2007


In message <461C6D9A.7010001 at alcatel-lucent.com> you wrote:
> 
> As everyone knew, uboot for MPC850 didn't turn on data cache, but 

Yes, and for a very good reason, which is explained in detail in the
README.

> instruction cache is on. In order to test data cache, I added 
> CFG_CMD_CACHE  for CONFIG_COMMANDS. However, the CPU is spinning once I 
> issue command "dcache on".
> 
> Any ideas on this?

Read the README.

Best regards,

Wolfgang Denk

-- 
DENX Software Engineering GmbH, HRB 165235 Munich, CEO: Wolfgang Denk
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