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Gowin. BUGFIX. Timing

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Signed-off-by: YRabbit <rabbit@yrabbit.cyou>
This commit is contained in:
YRabbit 2024-08-21 20:22:07 +10:00 committed by Lofty
parent 01737a400c
commit 32e2d9223c
1 changed files with 3 additions and 5 deletions
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8
himbaechel/uarch/gowin/gowin_arch_gen.py
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@ -364,8 +364,6 @@ def create_switch_matrix(tt: TileType, db: chipdb, x: int, y: int):
tt.create_wire(src, "GLOBAL_CLK") tt.create_wire(src, "GLOBAL_CLK")
src_tm_class = get_tm_class(db, src) src_tm_class = get_tm_class(db, src)
if src_tm_class in {'CENT_SPINE_PCLK', 'SPINE_TAP_PCLK', 'TAP_BRANCH_PCLK', 'BRANCH_PCLK'}: if src_tm_class in {'CENT_SPINE_PCLK', 'SPINE_TAP_PCLK', 'TAP_BRANCH_PCLK', 'BRANCH_PCLK'}:
tt.create_pip(src, dst, src_tm_class, flags = PIP_FLAG_FIXED_DELAY)
else:
tt.create_pip(src, dst, src_tm_class) tt.create_pip(src, dst, src_tm_class)
def create_hclk_switch_matrix(tt: TileType, db: chipdb, x: int, y: int): def create_hclk_switch_matrix(tt: TileType, db: chipdb, x: int, y: int):
@ -379,7 +377,7 @@ def create_hclk_switch_matrix(tt: TileType, db: chipdb, x: int, y: int):
if not tt.has_wire(src): if not tt.has_wire(src):
tt.create_wire(src, "HCLK") tt.create_wire(src, "HCLK")
tt.create_pip(src, dst, get_tm_class(db, "X01")) # XXX tt.create_pip(src, dst, get_tm_class(db, "X01")) # XXX
hclk_bel_zs = { hclk_bel_zs = {
"CLKDIV2_HCLK0_SECT0": CLKDIV2_0_Z, "CLKDIV2_HCLK0_SECT0": CLKDIV2_0_Z,
"CLKDIV2_HCLK0_SECT1": CLKDIV2_1_Z, "CLKDIV2_HCLK0_SECT1": CLKDIV2_1_Z,
@ -390,7 +388,7 @@ def create_hclk_switch_matrix(tt: TileType, db: chipdb, x: int, y: int):
"CLKDIV_HCLK1_SECT0": CLKDIV_2_Z, "CLKDIV_HCLK1_SECT0": CLKDIV_2_Z,
"CLKDIV_HCLK1_SECT1": CLKDIV_3_Z "CLKDIV_HCLK1_SECT1": CLKDIV_3_Z
} }
for bel_name, bel_props in db.grid[y][x].bels.items(): for bel_name, bel_props in db.grid[y][x].bels.items():
if (bel_name not in hclk_bel_zs): if (bel_name not in hclk_bel_zs):
continue continue
@ -402,7 +400,7 @@ def create_hclk_switch_matrix(tt: TileType, db: chipdb, x: int, y: int):
bel_type = "CLKDIV" bel_type = "CLKDIV"
this_bel = tt.create_bel(bel_name, bel_type, hclk_bel_zs[bel_name]) this_bel = tt.create_bel(bel_name, bel_type, hclk_bel_zs[bel_name])
if (bel_name in ["CLKDIV_HCLK0_SECT1", "CLKDIV_HCLK1_SECT1"]): if (bel_name in ["CLKDIV_HCLK0_SECT1", "CLKDIV_HCLK1_SECT1"]):
this_bel.flags |= BEL_FLAG_HIDDEN this_bel.flags |= BEL_FLAG_HIDDEN
if bel_type=="CLKDIV": if bel_type=="CLKDIV":
this_bel.flags |= BEL_FLAG_GLOBAL this_bel.flags |= BEL_FLAG_GLOBAL