Bridge the ATM sub-interface and the respective VLAN.bridge 1 protocol ieeeinterface atm0/0.1bridge-group 1atm route-bridged ipCheck this link also:http://www.cisco.com/en/US/products/sw/iosswrel/ps5014/products_feature_guide09186a0080087970.html ...
Well the SVI interface in the Supervisor will be use for management of the switch and internal/external routing. You will always need an SVI with an IP to manage the switch, but doesn't have to be in a vlan assign to the FWSM.