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| author | David Shah <dave@ds0.me> | 2019-02-11 11:21:19 +0000 |
|---|---|---|
| committer | David Shah <davey1576@gmail.com> | 2019-02-24 10:28:25 +0100 |
| commit | 5cfc7674c139f52826fd5f0267dfba691cd3351d (patch) | |
| tree | f17743be85f716bcd617298d041587542dce6ef7 | |
| parent | 92a4a48f47fc544950201935db9532a970e2d5b8 (diff) | |
| download | nextpnr-5cfc7674c139f52826fd5f0267dfba691cd3351d.tar.gz nextpnr-5cfc7674c139f52826fd5f0267dfba691cd3351d.tar.bz2 nextpnr-5cfc7674c139f52826fd5f0267dfba691cd3351d.zip | |
ecp5: Add DQS groupings to database
Signed-off-by: David Shah <dave@ds0.me>
| -rw-r--r-- | ecp5/arch.h | 2 | ||||
| -rwxr-xr-x | ecp5/trellis_import.py | 17 |
2 files changed, 15 insertions, 4 deletions
diff --git a/ecp5/arch.h b/ecp5/arch.h index 713c320e..61cc8283 100644 --- a/ecp5/arch.h +++ b/ecp5/arch.h @@ -103,7 +103,7 @@ NPNR_PACKED_STRUCT(struct PIOInfoPOD { int32_t bel_index; RelPtr<char> function_name; int16_t bank; - int16_t padding; + int16_t dqsgroup; }); NPNR_PACKED_STRUCT(struct PackagePinPOD { diff --git a/ecp5/trellis_import.py b/ecp5/trellis_import.py index cdd3bd06..6acc32c5 100755 --- a/ecp5/trellis_import.py +++ b/ecp5/trellis_import.py @@ -119,9 +119,20 @@ def process_pio_db(ddrg, device): pinfunc = metaitem["function"] else: pinfunc = None + dqs = -1 + if "dqs" in metaitem: + tdqs = metaitem["dqs"] + if tdqs[0] == "L": + dqs = 0 + elif tdqs[0] == "R": + dqs = 2048 + suffix_size = 0 + while tdqs[-(suffix_size+1)].isdigit(): + suffix_size += 1 + dqs |= int(tdqs[-suffix_size:]) bel_idx = get_bel_index(ddrg, loc, pio) if bel_idx is not None: - pindata.append((loc, bel_idx, bank, pinfunc)) + pindata.append((loc, bel_idx, bank, pinfunc, dqs)) global_data = {} quadrants = ["UL", "UR", "LL", "LR"] @@ -360,7 +371,7 @@ def write_database(dev_name, chip, ddrg, endianness): bba.l("pio_info", "PIOInfoPOD") for pin in pindata: - loc, bel_idx, bank, func = pin + loc, bel_idx, bank, func, dqs = pin write_loc(loc, "abs_loc") bba.u32(bel_idx, "bel_index") if func is not None: @@ -368,7 +379,7 @@ def write_database(dev_name, chip, ddrg, endianness): else: bba.r(None, "function_name") bba.u16(bank, "bank") - bba.u16(0, "padding") + bba.u16(dqs, "dqsgroup") bba.l("tiletype_names", "RelPtr<char>") for tt, idx in sorted(tiletype_names.items(), key=lambda x: x[1]): |