DaveX13342 | 7d5d46a | 2022-09-11 19:17:47 +0000 | [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 | |
| 11 | # drc off |
| 12 | drc euclidean on |
| 13 | # Change this to a fixed number for repeatable behavior with GDS writes |
| 14 | # e.g., "random seed 12345" |
| 15 | catch {random seed} |
| 16 | |
| 17 | # Turn off the scale option on ext2spice or else it conflicts with the |
| 18 | # scale in the model files. |
| 19 | ext2spice scale off |
| 20 | |
| 21 | # Allow override of PDK path from environment variable PDK_ROOT |
| 22 | # "file nativename" guards against a local PDK_ROOT with "~" in the name |
| 23 | if {[catch {set PDK_ROOT [file nativename $env(PDK_ROOT)]}]} { |
| 24 | set PDK_ROOT /foss/pdk |
| 25 | } |
| 26 | |
| 27 | # loading technology |
| 28 | tech load $PDK_ROOT/sky130A/libs.tech/magic/sky130A.tech |
| 29 | |
| 30 | # load device generator |
| 31 | source $PDK_ROOT/sky130A/libs.tech/magic/sky130A.tcl |
| 32 | |
| 33 | # load bind keys (optional) |
| 34 | # source $PDK_ROOT/sky130A/libs.tech/magic/sky130A-BindKeys |
| 35 | |
| 36 | # set units to lambda grid |
| 37 | snap lambda |
| 38 | |
| 39 | # set sky130 standard power, ground, and substrate names |
| 40 | set VDD VPWR |
| 41 | set GND VGND |
| 42 | set SUB VSUBS |
| 43 | |
| 44 | # Allow override of type of magic library views used, "mag" or "maglef", |
| 45 | # from environment variable MAGTYPE |
| 46 | |
| 47 | if {[catch {set MAGTYPE $env(MAGTYPE)}]} { |
| 48 | set MAGTYPE mag |
| 49 | } |
| 50 | |
| 51 | # add path to reference cells |
| 52 | if {[file isdir ${PDK_ROOT}/sky130A/libs.ref/${MAGTYPE}]} { |
| 53 | addpath ${PDK_ROOT}/sky130A/libs.ref/${MAGTYPE}/sky130_fd_pr |
| 54 | addpath ${PDK_ROOT}/sky130A/libs.ref/${MAGTYPE}/sky130_fd_io |
| 55 | addpath ${PDK_ROOT}/sky130A/libs.ref/${MAGTYPE}/sky130_fd_sc_hd |
| 56 | addpath ${PDK_ROOT}/sky130A/libs.ref/${MAGTYPE}/sky130_fd_sc_hdll |
| 57 | addpath ${PDK_ROOT}/sky130A/libs.ref/${MAGTYPE}/sky130_fd_sc_hs |
| 58 | addpath ${PDK_ROOT}/sky130A/libs.ref/${MAGTYPE}/sky130_fd_sc_hvl |
| 59 | addpath ${PDK_ROOT}/sky130A/libs.ref/${MAGTYPE}/sky130_fd_sc_lp |
| 60 | addpath ${PDK_ROOT}/sky130A/libs.ref/${MAGTYPE}/sky130_fd_sc_ls |
| 61 | addpath ${PDK_ROOT}/sky130A/libs.ref/${MAGTYPE}/sky130_fd_sc_ms |
| 62 | addpath ${PDK_ROOT}/sky130A/libs.ref/${MAGTYPE}/sky130_osu_sc |
| 63 | addpath ${PDK_ROOT}/sky130A/libs.ref/${MAGTYPE}/sky130_osu_sc_t18 |
| 64 | addpath ${PDK_ROOT}/sky130A/libs.ref/${MAGTYPE}/sky130_ml_xx_hd |
| 65 | addpath ${PDK_ROOT}/sky130A/libs.ref/${MAGTYPE}/sky130_sram_macros |
| 66 | } else { |
| 67 | addpath ${PDK_ROOT}/sky130A/libs.ref/sky130_fd_pr/${MAGTYPE} |
| 68 | addpath ${PDK_ROOT}/sky130A/libs.ref/sky130_fd_io/${MAGTYPE} |
| 69 | addpath ${PDK_ROOT}/sky130A/libs.ref/sky130_fd_sc_hd/${MAGTYPE} |
| 70 | addpath ${PDK_ROOT}/sky130A/libs.ref/sky130_fd_sc_hdll/${MAGTYPE} |
| 71 | addpath ${PDK_ROOT}/sky130A/libs.ref/sky130_fd_sc_hs/${MAGTYPE} |
| 72 | addpath ${PDK_ROOT}/sky130A/libs.ref/sky130_fd_sc_hvl/${MAGTYPE} |
| 73 | addpath ${PDK_ROOT}/sky130A/libs.ref/sky130_fd_sc_lp/${MAGTYPE} |
| 74 | addpath ${PDK_ROOT}/sky130A/libs.ref/sky130_fd_sc_ls/${MAGTYPE} |
| 75 | addpath ${PDK_ROOT}/sky130A/libs.ref/sky130_fd_sc_ms/${MAGTYPE} |
| 76 | addpath ${PDK_ROOT}/sky130A/libs.ref/sky130_osu_sc/${MAGTYPE} |
| 77 | addpath ${PDK_ROOT}/sky130A/libs.ref/sky130_osu_sc_t18/${MAGTYPE} |
| 78 | addpath ${PDK_ROOT}/sky130A/libs.ref/sky130_ml_xx_hd/${MAGTYPE} |
| 79 | addpath ${PDK_ROOT}/sky130A/libs.ref/sky130_sram_macros/${MAGTYPE} |
| 80 | } |
| 81 | |
| 82 | # add path to GDS cells |
| 83 | |
| 84 | # add path to IP from catalog. This procedure defined in the PDK script. |
| 85 | catch {magic::query_mylib_ip} |
| 86 | # add path to local IP from user design space. Defined in the PDK script. |
| 87 | catch {magic::query_my_projects} |