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Implement SB_DRIVE support

This commit is contained in:
Miodrag Milanovic 2025-02-03 11:50:33 +01:00
parent a31f1d7d7d
commit 0dde71212c
1 changed files with 14 additions and 4 deletions
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18
gatemate/die.py
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@ -403,6 +403,7 @@ def get_endpoints_for_type(type):
for i in range(1,5):
create_wire(f"SB_DRIVE.P{plane}.D{i}.IN", type="SB_DRIVE_WIRE")
create_wire(f"SB_DRIVE.P{plane}.D{i}.OUT", type="SB_DRIVE_WIRE")
create_wire(f"SB_DRIVE.P{plane}.D{i}.OUT_NOINV", type="SB_DRIVE_INT_WIRE")
if "SB_SML" in type:
for p in range(1,13):
@ -622,8 +623,9 @@ def get_mux_connections_for_type(type):
create_mux(f"SB_BIG.P{plane}.X12", f"SB_BIG.P{plane}.YDIAG", 3, 6, True)
create_mux(f"SB_BIG.P{plane}.X23", f"SB_BIG.P{plane}.YDIAG", 3, 7, True)
#for i in range(1,5):
# create_mux(f"SB_DRIVE.P{plane}.D{i}.IN", f"SB_DRIVE.P{plane}.D{i}.OUT", 1, 1, False, f"SB_DRIVE.P{plane}.D{i}")
for i in range(1,5):
create_mux(f"SB_DRIVE.P{plane}.D{i}.IN", f"SB_DRIVE.P{plane}.D{i}.OUT", 1, 1, True, f"SB_DRIVE.P{plane}.D{i}")
create_mux(f"SB_DRIVE.P{plane}.D{i}.IN", f"SB_DRIVE.P{plane}.D{i}.OUT_NOINV", 1, 1, False, f"SB_DRIVE.P{plane}.D{i}")
if "SB_SML" in type:
# SB_SML
@ -1086,8 +1088,16 @@ class Die:
if is_sb(sb_x,sb_y):
src = f"{get_sb_type(sb_x,sb_y)}.P{plane}.Y{direction+1}"
# Long distance signals are coming from SB_DRIVE
if (distance>4):
src = f"SB_DRIVE.P{plane}.D{direction+1}.OUT"
if distance > 4:
t1x, t1y = (sb_x+16-1) // 8, (sb_y+16-1) // 8
t2x, t2y = (x+16-1) // 8, (y+16-1) // 8
# depending on distance there are additional inverters
# that signal is passing through each 8x8 tile
dist = abs(t1x-t2x) + abs(t1y-t2y)
if dist % 2 == 1:
src = f"SB_DRIVE.P{plane}.D{direction+1}.OUT"
else:
src = f"SB_DRIVE.P{plane}.D{direction+1}.OUT_NOINV"
self.create_conn(sb_x,sb_y, src, x,y,f"{get_sb_type(x,y)}.P{plane}.D{i+2}_{direction+1}")
if is_sb_big(x,y):