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-rw-r--r--ice40/chipdb.py20
1 files changed, 20 insertions, 0 deletions
diff --git a/ice40/chipdb.py b/ice40/chipdb.py
index 1477c78a..3c3dc078 100644
--- a/ice40/chipdb.py
+++ b/ice40/chipdb.py
@@ -293,6 +293,16 @@ def add_bel_ram(x, y):
add_bel_input(bel, wire_names[(x, y1, "ram/RCLKE")], "RCLKE")
add_bel_input(bel, wire_names[(x, y1, "ram/RE")], "RE")
+def add_bel_gb(x, y, g):
+ bel = len(bel_name)
+ bel_name.append("%d_%d_gb" % (x, y))
+ bel_type.append("SB_GB")
+ bel_pos.append((x, y, 0))
+ bel_wires.append(list())
+
+ add_bel_input(bel, wire_names[(x, y, "fabout")], "USER_SIGNAL_TO_GLOBAL_BUFFER")
+ add_bel_output(bel, wire_names[(x, y, "glb_netwk_%d" % g)], "GLOBAL_BUFFER_OUTPUT")
+
for tile_xy, tile_type in sorted(tiles.items()):
if tile_type == "logic":
for i in range(8):
@@ -303,6 +313,16 @@ for tile_xy, tile_type in sorted(tiles.items()):
if tile_type == "ramb":
add_bel_ram(tile_xy[0], tile_xy[1])
+if dev_name == "1k":
+ add_bel_gb( 7, 0, 0)
+ add_bel_gb( 7, 17, 1)
+ add_bel_gb(13, 9, 2)
+ add_bel_gb( 0, 9, 3)
+ add_bel_gb( 6, 17, 4)
+ add_bel_gb( 6, 0, 5)
+ add_bel_gb( 0, 8, 6)
+ add_bel_gb(13, 8, 7)
+
print('#include "chip.h"')
for bel in range(len(bel_name)):