> Wouldn't the fact that you're accessing the same address -- and > that it's cache inhibited -- eliminate the need for a sync instruction > between the stw and lwz?
You are right. If st and ld the same address, e300 core have a address collision inside. It will make sure the order. Here we don't need the sync. I meant we should access the IMMR register with something like I/O accessors to have a correct access order. Thanks, Dave _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot