set_global_assignment -name IP_TOOL_NAME "ALTPLL"
set_global_assignment -name IP_TOOL_VERSION "11.0"
set_global_assignment -name VERILOG_FILE [file join $::quartus(qip_path) "pll.v"]
set_global_assignment -name MISC_FILE [file join $::quartus(qip_path) "pll_bb.v"]
set_global_assignment -name MISC_FILE [file join $::quartus(qip_path) "pll.ppf"]