On Tue, Jan 25, 2005 at 09:49:13AM -0800, annamaya wrote: > I have read in the specs for the MPC8280 that it has a > G2_LE core which has 4 additional data and instruction > BATs. However, I dont see these BATS being cleared > early in the kernel. I only see that the first 4 pairs > are cleared using the mtspr instructions. But my > kernel comes up just fine and everything seems to work > OK. Dont we need to clear the other set of I/DBATS? > What happens when we dont do this? Thanks in advance.
Additional BATs in G2_LE core must be explicitly enabled in HID2 (HBE bit), until then they "don't exist" :). -- Eugene
