[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

> 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
Office:  Kirchenstr. 5,       D-82194 Groebenzell,            Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
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