Wolfgang, On Mon, Nov 28, 2011 at 4:59 PM, Wolfgang Denk <w...@denx.de> wrote: > Dear Christian Riesch, > > In message > <cabkloboon_r_xwzorihbhnnrm4+jfykvkqdvtoih6cvckxs...@mail.gmail.com> you > wrote: > ... >> Then I commented out the lines >> #define CONFIG_SYS_ICACHE_OFF >> #define CONFIG_SYS_DCACHE_OFF >> #define CONFIG_SYS_L2CACHE_OFF >> re-built u-boot and tried the same, the Ethernet connection still >> worked and I could still load the kernel image. > > What does the "dc" command print in your configuration?
U-Boot > dc Unknown command 'dc' - try 'help' ;-) After rebuilding with #define CONFIG_CMD_CACHE I get U-Boot > dc Data writethrough) Cache is OFF no matter whether the #define CONFIG_SYS_xxCACHE_OFF lines are in the config file or not. If the CONFIG_SYS_xxxCACHE_OFF lines are commented out, I can enable d-cache with the dcache on command and then Ethernet access fails, e.g., ping runs into timeout. U-Boot > ping 10.0.0.5 Using DaVinci-EMAC device host 10.0.0.5 is alive U-Boot > dcache on Data (writethrough) Cache is ON U-Boot > ping 10.0.0.5 Using DaVinci-EMAC device ping failed; host 10.0.0.5 is not alive Regards, Christian _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot