| # Copyright (C) 2017-2020  The Project X-Ray Authors | 
 | # | 
 | # Use of this source code is governed by a ISC-style | 
 | # license that can be found in the LICENSE file or at | 
 | # https://opensource.org/licenses/ISC | 
 | # | 
 | # SPDX-License-Identifier: ISC | 
 | proc print_tile_pips {tile_type filename} { | 
 |     set fp [open $filename w] | 
 |     set pips [dict create] | 
 |     foreach tile [get_tiles -filter "TYPE == $tile_type"] { | 
 |         foreach pip [lsort [get_pips -of_objects  $tile]] { | 
 |             set src [get_wires -uphill -of_objects $pip] | 
 |             set dst [get_wires -downhill -of_objects $pip] | 
 |  | 
 |             # Skip pips with disconnected nodes | 
 |             set src_node [get_nodes -of_objects $src] | 
 |  | 
 |             if { $src_node == {} } { | 
 |                 continue | 
 |             } | 
 |  | 
 |             set dst_node [get_nodes -of_objects $dst] | 
 |             if { $dst_node == {} } { | 
 |                 continue | 
 |             } | 
 |  | 
 |             set dst_wire [regsub {.*/} $dst ""] | 
 |             set dst_hclk_match [regexp {HCLK_GTP_CK_IN[0-9]+} $dst_wire] | 
 |  | 
 |             set src_wire [regsub {.*/} $src ""] | 
 |             set src_cmt_match [regexp {HCLK_GTP_CK_MUX[0-9]+} $src_wire] | 
 |  | 
 |             if { $dst_hclk_match && $src_cmt_match } { | 
 |                 set pip_string "GTP_COMMON.[regsub {.*/} $dst ""].[regsub {.*/} $src ""]" | 
 |                 if ![dict exists $pips $pip_string] { | 
 |                     puts $fp $pip_string | 
 |                     dict set pips $pip_string 1 | 
 |                 } | 
 |             } | 
 |         } | 
 |     } | 
 |     close $fp | 
 | } | 
 |  | 
 | create_project -force -part $::env(XRAY_PART) design_ck_mux design_ck_mux | 
 | set_property design_mode PinPlanning [current_fileset] | 
 | open_io_design -name io_1 | 
 |  | 
 | print_tile_pips GTP_COMMON_MID_LEFT gtp_common_mid_ck_mux.txt |