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move macro pos to config.yaml

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This commit is contained in:
matt venn
2023-03-16 15:55:52 +01:00
parent b5745ccf4d
commit fd0d177a56
3 changed files with 36 additions and 29 deletions
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caravel.py
+14 -28
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@@ -5,7 +5,8 @@ import os
class CaravelConfig():
def __init__(self, projects, num_projects):
def __init__(self, config, projects, num_projects):
self.config = config
self.projects = projects
self.num_projects = num_projects
self.script_dir = os.path.dirname(os.path.realpath(__file__))
@@ -13,42 +14,27 @@ class CaravelConfig():
# create macro file & positions, power hooks
def create_macro_config(self):
# array size
rows = 18
cols = 14
# start point (lower left)
start_x = 50
start_y = 95
# module block sizes
scanchain_w = 30
scanchain_spc = 6
module_w = 150
module_h = 170
# how much x & y space to leave between blocks
space_x = 15
space_y = 15
c = self.config['layout']
# step sizes
step_x = scanchain_w + module_w + scanchain_spc + space_x
step_y = module_h + space_y
step_x = c['scanchain_w'] + c['module_w'] + c['scanchain_spc'] +c['space_x']
step_y = c['module_h'] + c['space_y']
logging.info(f"start_x {start_x} start_y {start_y} step_x {step_x} step_y {step_y }")
logging.info(f"start_x {c['start_x']} start_y {c['start_y']} step_x {step_x} step_y {step_y}")
num_macros_placed = 0
# macro.cfg: where macros are placed
logging.info("creating macro.cfg")
with open("openlane/user_project_wrapper/macro.cfg", 'w') as fh:
fh.write("scan_controller 100 100 N\n")
for row in range(rows):
fh.write(f"scan_controller {c['scan_control_x']} {c['scan_control_y']} N\n")
for row in range(c['rows']):
if row % 2 == 0:
col_order = range(cols)
col_order = range(c['cols'])
orientation = 'N'
else:
# reverse odd rows to place instances in a zig zag pattern, shortening the scan chain wires
col_order = range(cols - 1, -1, -1)
col_order = range(c['cols'] - 1, -1, -1)
orientation = 'S'
for col in col_order:
# skip the space where the scan controller goes on the first row
@@ -62,26 +48,26 @@ class CaravelConfig():
# co-ords are bottom left corner
macro_instance = self.projects[num_macros_placed].get_scanchain_instance()
instance = "{} {:<4} {:<4} {}\n".format(
macro_instance, start_x + col * step_x, start_y + row * step_y, orientation
macro_instance, c['start_x'] + col * step_x, c['start_y'] + row * step_y, orientation
)
fh.write(instance)
macro_instance = self.projects[num_macros_placed].get_macro_instance()
instance = "{} {:<4} {:<4} {}\n".format(
macro_instance, start_x + scanchain_spc + scanchain_w + col * step_x, start_y + row * step_y, orientation
macro_instance, c['start_x'] + c['scanchain_spc'] + c['scanchain_w'] + col * step_x, c['start_y'] + row * step_y, orientation
)
fh.write(instance)
else:
# macro first
macro_instance = self.projects[num_macros_placed].get_macro_instance()
instance = "{} {:<4} {:<4} {}\n".format(
macro_instance, start_x + col * step_x, start_y + row * step_y, orientation
macro_instance, c['start_x'] + col * step_x, c['start_y'] + row * step_y, orientation
)
fh.write(instance)
macro_instance = self.projects[num_macros_placed].get_scanchain_instance()
instance = "{} {:<4} {:<4} {}\n".format(
macro_instance, start_x + module_w + scanchain_spc + col * step_x, start_y + row * step_y, orientation
macro_instance, c['start_x'] + c['module_w'] + c['scanchain_spc'] + col * step_x, c['start_y'] + row * step_y, orientation
)
fh.write(instance)