mirror of https://github.com/efabless/caravel.git
98 lines
3.3 KiB
Plaintext
98 lines
3.3 KiB
Plaintext
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# SPDX-FileCopyrightText: 2020 Efabless Corporation
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# SPDX-License-Identifier: Apache-2.0
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puts stdout "Sourcing design .magicrc for technology sky130A ..."
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# Put grid on 0.005 pitch. This is important, as some commands don't
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# rescale the grid automatically (such as lef read?).
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set scalefac [tech lambda]
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if {[lindex $scalefac 1] < 2} {
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scalegrid 1 2
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}
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drc off
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drc euclidean on
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# Allow override of PDK path from environment variable PDKPATH
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if {[catch {set PDKPATH $env(PDKPATH)}]} {
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set PDKPATH "$::env(PDK_ROOT)/sky130A"
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}
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# loading technology
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tech load $PDKPATH/libs.tech/magic/sky130A.tech
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# load device generator
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source $PDKPATH/libs.tech/magic/sky130A.tcl
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# load bind keys (optional)
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# source $PDKPATH/libs.tech/magic/sky130A-BindKeys
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# set units to lambda grid
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snap lambda
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# set sky130 standard power, ground, and substrate names
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set VDD VPWR
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set GND VGND
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set SUB VSUBS
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# Allow override of type of magic library views used, "mag" or "maglef",
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# from environment variable MAGTYPE
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if {[catch {set MAGTYPE $env(MAGTYPE)}]} {
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set MAGTYPE maglef
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}
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path search [concat "../$MAGTYPE" [path search]]
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# add path to reference cells
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if {[file isdir ${PDKPATH}/libs.ref/${MAGTYPE}]} {
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addpath ${PDKPATH}/libs.ref/${MAGTYPE}/sky130_fd_pr
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addpath ${PDKPATH}/libs.ref/${MAGTYPE}/sky130_fd_io
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addpath ${PDKPATH}/libs.ref/${MAGTYPE}/sky130_fd_sc_hd
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addpath ${PDKPATH}/libs.ref/${MAGTYPE}/sky130_fd_sc_hdll
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addpath ${PDKPATH}/libs.ref/${MAGTYPE}/sky130_fd_sc_hs
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addpath ${PDKPATH}/libs.ref/${MAGTYPE}/sky130_fd_sc_hvl
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addpath ${PDKPATH}/libs.ref/${MAGTYPE}/sky130_fd_sc_lp
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addpath ${PDKPATH}/libs.ref/${MAGTYPE}/sky130_fd_sc_ls
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addpath ${PDKPATH}/libs.ref/${MAGTYPE}/sky130_fd_sc_ms
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addpath ${PDKPATH}/libs.ref/${MAGTYPE}/sky130_osu_sc
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addpath ${PDKPATH}/libs.ref/mag/sky130_ml_xx_hd
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} else {
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addpath ${PDKPATH}/libs.ref/sky130_fd_pr/${MAGTYPE}
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addpath ${PDKPATH}/libs.ref/sky130_fd_io/${MAGTYPE}
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addpath ${PDKPATH}/libs.ref/sky130_fd_sc_hd/${MAGTYPE}
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addpath ${PDKPATH}/libs.ref/sky130_fd_sc_hdll/${MAGTYPE}
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addpath ${PDKPATH}/libs.ref/sky130_fd_sc_hs/${MAGTYPE}
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addpath ${PDKPATH}/libs.ref/sky130_fd_sc_hvl/${MAGTYPE}
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addpath ${PDKPATH}/libs.ref/sky130_fd_sc_lp/${MAGTYPE}
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addpath ${PDKPATH}/libs.ref/sky130_fd_sc_ls/${MAGTYPE}
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addpath ${PDKPATH}/libs.ref/sky130_fd_sc_ms/${MAGTYPE}
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addpath ${PDKPATH}/libs.ref/sky130_osu_sc/${MAGTYPE}
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addpath ${PDKPATH}/libs.ref/sky130_ml_xx_hd/mag
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}
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addpath hexdigits
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addpath ../subcells/simple_por/mag
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# add path to GDS cells
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# add path to IP from catalog. This procedure defined in the PDK script.
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catch {magic::query_mylib_ip}
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# add path to local IP from user design space. Defined in the PDK script.
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catch {magic::query_my_projects}
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