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roi_harness: parameter to spread out nets 

Signed-off-by: John McMaster <johndmcmaster@gmail.com>
This commit is contained in:
John McMaster 2018-01-05 12:10:16 -08:00
parent df125e1b99
commit b662f72bc3
1 changed files with 22 additions and 7 deletions
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29
minitests/roi_harness/runme.tcl
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@ -1,20 +1,35 @@
# WARNING: this is somewhat paramaterized, but is only tested on A50T/A35T with the traditional ROI
# Your ROI should at least have a SLICEL on the left
# Number of package inputs going to ROI
set DIN_N 8
# Number of ROI outputs going to package
set DOUT_N 8
# How many rows between pins
# Reduces routing pressure
set PITCH 3
# X12 in the ROI, X10 just to the left
# Start at bottom left of ROI and work up
# (IOs are to left)
# SLICE_X12Y100:SLICE_X27Y149
# set X_BASE 12
set X_BASE [lindex [split [lindex [split "$::env(XRAY_ROI)" Y] 0] X] 1]
set Y_BASE [lindex [split [lindex [split "$::env(XRAY_ROI)" Y] 1] :] 0]
set XRAY_ROI_X0 [lindex [split [lindex [split "$::env(XRAY_ROI)" Y] 0] X] 1]
set XRAY_ROI_Y0 [lindex [split [lindex [split "$::env(XRAY_ROI)" Y] 1] :] 0]
set XRAY_ROI_Y1 [lindex [split "$::env(XRAY_ROI)" Y] 2]
set X_BASE $XRAY_ROI_X0
set Y_BASE $XRAY_ROI_Y0
# set Y_DIN_BASE 100
set Y_CLK_BASE $Y_BASE
# Clock lut in middle
set Y_DIN_BASE [expr "$Y_CLK_BASE + 1"]
set Y_DOUT_BASE [expr "$Y_DIN_BASE + $DIN_N"]
# Sequential
# set Y_DOUT_BASE [expr "$Y_DIN_BASE + $DIN_N"]
# At top. This relieves routing pressure by spreading things out
# Note: can actually go up one more if we want
set Y_DOUT_BASE [expr "$XRAY_ROI_Y1 - $DIN_N * $PITCH"]
puts "Environment"
puts " XRAY_ROI: $::env(XRAY_ROI)"
@ -164,7 +179,7 @@ if {1} {
set y $Y_DIN_BASE
for {set i 0} {$i < $DIN_N} {incr i} {
loc_roi_in_left $i $x $y
set y [expr {$y + 1}]
set y [expr {$y + $PITCH}]
}
# Place ROI outputs
@ -172,7 +187,7 @@ if {1} {
puts "Placing ROI outputs"
for {set i 0} {$i < $DOUT_N} {incr i} {
loc_roi_out_left $i $x $y
set y [expr {$y + 1}]
set y [expr {$y + $PITCH}]
}
}
@ -257,7 +272,7 @@ if {1} {
set net "din[$i]"
set pin "$net2pin($net)"
puts $fp "$net $node $pin"
set y [expr {$y + 1}]
set y [expr {$y + $PITCH}]
}
puts "Routing ROI outputs"
@ -279,7 +294,7 @@ if {1} {
set net "dout[$i]"
set pin "$net2pin($net)"
puts $fp "$net $node $pin"
set y [expr {$y + 1}]
set y [expr {$y + $PITCH}]
}
}
close $fp