Tim Edwards | b86fc84 | 2020-10-13 17:11:54 -0400 | [diff] [blame] | 1 | puts stdout "Sourcing design .magicrc for technology sky130A ..." |
| 2 | |
| 3 | # Put grid on 0.005 pitch. This is important, as some commands don't |
| 4 | # rescale the grid automatically (such as lef read?). |
| 5 | |
| 6 | set scalefac [tech lambda] |
| 7 | if {[lindex $scalefac 1] < 2} { |
| 8 | scalegrid 1 2 |
| 9 | } |
| 10 | |
mkk | 91ada92 | 2020-12-02 09:08:26 -0800 | [diff] [blame] | 11 | drc off |
| 12 | # drc euclidean on |
Tim Edwards | b86fc84 | 2020-10-13 17:11:54 -0400 | [diff] [blame] | 13 | |
| 14 | # Allow override of PDK path from environment variable PDKPATH |
| 15 | if {[catch {set PDKPATH $env(PDKPATH)}]} { |
mkk | 91ada92 | 2020-12-02 09:08:26 -0800 | [diff] [blame] | 16 | set PDKPATH "$::env(PDK_ROOT)/sky130A" |
Tim Edwards | b86fc84 | 2020-10-13 17:11:54 -0400 | [diff] [blame] | 17 | } |
| 18 | |
| 19 | # loading technology |
| 20 | tech load $PDKPATH/libs.tech/magic/current/sky130A.tech |
| 21 | |
| 22 | # load device generator |
| 23 | source $PDKPATH/libs.tech/magic/current/sky130A.tcl |
| 24 | |
| 25 | # load bind keys (optional) |
| 26 | # source $PDKPATH/libs.tech/magic/current/sky130A-BindKeys |
| 27 | |
| 28 | # set units to lambda grid |
| 29 | snap lambda |
| 30 | |
| 31 | # set sky130 standard power, ground, and substrate names |
| 32 | set VDD VPWR |
| 33 | set GND VGND |
| 34 | set SUB VSUBS |
| 35 | |
| 36 | # Allow override of type of magic library views used, "mag" or "maglef", |
| 37 | # from environment variable MAGTYPE |
| 38 | |
| 39 | if {[catch {set MAGTYPE $env(MAGTYPE)}]} { |
| 40 | set MAGTYPE maglef |
| 41 | } |
| 42 | |
mkk | 91ada92 | 2020-12-02 09:08:26 -0800 | [diff] [blame] | 43 | path search [concat "../$MAGTYPE" [path search]] |
| 44 | |
| 45 | |
Tim Edwards | b86fc84 | 2020-10-13 17:11:54 -0400 | [diff] [blame] | 46 | # add path to reference cells |
| 47 | if {[file isdir ${PDKPATH}/libs.ref/${MAGTYPE}]} { |
| 48 | addpath ${PDKPATH}/libs.ref/${MAGTYPE}/sky130_fd_pr |
| 49 | addpath ${PDKPATH}/libs.ref/${MAGTYPE}/sky130_fd_io |
| 50 | addpath ${PDKPATH}/libs.ref/${MAGTYPE}/sky130_fd_sc_hd |
| 51 | addpath ${PDKPATH}/libs.ref/${MAGTYPE}/sky130_fd_sc_hdll |
| 52 | addpath ${PDKPATH}/libs.ref/${MAGTYPE}/sky130_fd_sc_hs |
| 53 | addpath ${PDKPATH}/libs.ref/${MAGTYPE}/sky130_fd_sc_hvl |
| 54 | addpath ${PDKPATH}/libs.ref/${MAGTYPE}/sky130_fd_sc_lp |
| 55 | addpath ${PDKPATH}/libs.ref/${MAGTYPE}/sky130_fd_sc_ls |
| 56 | addpath ${PDKPATH}/libs.ref/${MAGTYPE}/sky130_fd_sc_ms |
| 57 | addpath ${PDKPATH}/libs.ref/${MAGTYPE}/sky130_osu_sc |
| 58 | } else { |
| 59 | addpath ${PDKPATH}/libs.ref/sky130_fd_pr/${MAGTYPE} |
| 60 | addpath ${PDKPATH}/libs.ref/sky130_fd_io/${MAGTYPE} |
| 61 | addpath ${PDKPATH}/libs.ref/sky130_fd_sc_hd/${MAGTYPE} |
| 62 | addpath ${PDKPATH}/libs.ref/sky130_fd_sc_hdll/${MAGTYPE} |
| 63 | addpath ${PDKPATH}/libs.ref/sky130_fd_sc_hs/${MAGTYPE} |
| 64 | addpath ${PDKPATH}/libs.ref/sky130_fd_sc_hvl/${MAGTYPE} |
| 65 | addpath ${PDKPATH}/libs.ref/sky130_fd_sc_lp/${MAGTYPE} |
| 66 | addpath ${PDKPATH}/libs.ref/sky130_fd_sc_ls/${MAGTYPE} |
| 67 | addpath ${PDKPATH}/libs.ref/sky130_fd_sc_ms/${MAGTYPE} |
| 68 | addpath ${PDKPATH}/libs.ref/sky130_osu_sc/${MAGTYPE} |
| 69 | } |
| 70 | |
| 71 | # add path to GDS cells |
| 72 | |
| 73 | # add path to IP from catalog. This procedure defined in the PDK script. |
| 74 | catch {magic::query_mylib_ip} |
| 75 | # add path to local IP from user design space. Defined in the PDK script. |
| 76 | catch {magic::query_my_projects} |