Mohamed Kassem | 7a3f478 | 2020-10-27 12:31:18 -0700 | [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 $scalefac 1] < 2} { |
| 8 | scalegrid 1 2 |
| 9 | } |
| 10 | |
| 11 | # drc off |
| 12 | drc euclidean on |
| 13 | |
| 14 | # default pdk |
| 15 | # set SW_PDK_ROOT "/ef/tech/SW.2" |
| 16 | set PDK "sky130A" |
| 17 | set SCL_VARIANT "sky130_fd_sc_hd" |
| 18 | set IO_VARIANT "sky130_fd_io" |
| 19 | set PDKPATH "$::env(SW_PDK_ROOT)/$PDK" |
| 20 | |
| 21 | # loading technology |
| 22 | tech load "$PDKPATH/libs.tech/magic/current/$PDK.tech" |
| 23 | |
| 24 | # load device generator |
| 25 | source "$PDKPATH/libs.tech/magic/current/$PDK.tcl" |
| 26 | |
| 27 | |
| 28 | # load bind keys (optional) |
| 29 | source "$PDKPATH/libs.tech/magic/current/$PDK-BindKeys" |
| 30 | |
| 31 | # set units to lambda grid |
| 32 | snap lambda |
| 33 | |
| 34 | # add path to reference cells |
| 35 | set MAGPATH "$PDKPATH/libs.ref/$SCL_VARIANT/mag/*.mag" |
| 36 | |
| 37 | |
| 38 | addpath "$PDKPATH/libs.ref/sky130_fd_pr_base/mag" |
| 39 | addpath "$PDKPATH/libs.ref/$IO_VARIANT/mag" |
| 40 | addpath "$PDKPATH/libs.ref/$SCL_VARIANT/mag" |
| 41 | |
| 42 | # addpath ${MAGPATH}/s8fmlt |
| 43 | |
| 44 | # add path to GDS cells |
| 45 | |
| 46 | # add path to IP from catalog. This procedure defined in the PDK script. |
| 47 | catch {magic::query_mylib_ip} |
| 48 | # add path to local IP from user design space. Defined in the PDK script. |
| 49 | catch {magic::query_my_projects} |