| # Copyright 2020 Efabless Corporation |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| read_lef $::env(MERGED_LEF_UNPADDED) |
| read_def $::env(CURRENT_DEF) |
| |
| set ::env(_SPACING) 1.7 |
| set ::env(_WIDTH) 3 |
| |
| set power_domains [list {vccd1 vssd1} {vccd2 vssd2} {vdda1 vssa1} {vdda2 vssa2}] |
| |
| set ::env(_VDD_NET_NAME) vccd1 |
| set ::env(_GND_NET_NAME) vssd1 |
| set ::env(_V_OFFSET) 14 |
| set ::env(_H_OFFSET) $::env(_V_OFFSET) |
| set ::env(_V_PITCH) 180 |
| set ::env(_H_PITCH) 180 |
| set ::env(_V_PDN_OFFSET) 0 |
| set ::env(_H_PDN_OFFSET) 0 |
| |
| foreach domain $power_domains { |
| set ::env(_VDD_NET_NAME) [lindex $domain 0] |
| set ::env(_GND_NET_NAME) [lindex $domain 1] |
| |
| pdngen $::env(PDN_CFG) -verbose |
| |
| set ::env(_V_OFFSET) \ |
| [expr $::env(_V_OFFSET) + 2*($::env(_WIDTH)+$::env(_SPACING))] |
| set ::env(_H_OFFSET) \ |
| [expr $::env(_H_OFFSET) + 2*($::env(_WIDTH)+$::env(_SPACING))] |
| set ::env(_V_PDN_OFFSET) [expr $::env(_V_PDN_OFFSET)+6*$::env(_WIDTH)] |
| set ::env(_H_PDN_OFFSET) [expr $::env(_H_PDN_OFFSET)+6*$::env(_WIDTH)] |
| } |
| |
| write_def $::env(pdn_tmp_file_tag).def |