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| author | David Shah <dave@ds0.me> | 2020-01-13 12:17:34 +0000 |
|---|---|---|
| committer | David Shah <dave@ds0.me> | 2020-11-30 08:45:27 +0000 |
| commit | f8f3ee06c71aa1726f32821a42193705b8056b82 (patch) | |
| tree | e80510b9f83f34d526390b4634786b4978f6bc79 /nexus | |
| parent | 44f98c545b353c823692f91953c1ca74b6be2d4f (diff) | |
| download | nextpnr-f8f3ee06c71aa1726f32821a42193705b8056b82.tar.gz nextpnr-f8f3ee06c71aa1726f32821a42193705b8056b82.tar.bz2 nextpnr-f8f3ee06c71aa1726f32821a42193705b8056b82.zip | |
nexus: Add SEIO18 support
Signed-off-by: David Shah <dave@ds0.me>
Diffstat (limited to 'nexus')
| -rw-r--r-- | nexus/fasm.cc | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/nexus/fasm.cc b/nexus/fasm.cc index 45c02514..5a2880da 100644 --- a/nexus/fasm.cc +++ b/nexus/fasm.cc @@ -205,6 +205,23 @@ struct NexusFasmWriter write_bit(stringf("BASE_TYPE.%s_%s", iodir, str_or_default(cell->attrs, id_IO_TYPE, "LVCMOS33").c_str())); pop(2); } + void write_io18(const CellInfo *cell) + { + BelId bel = cell->bel; + push_tile(bel.tile); + push_belname(bel); + push("SEIO18"); + const NetInfo *t = get_net_or_empty(cell, id_T); + bool is_input = false, is_output = false; + if (t == nullptr || t->name == ctx->id("$PACKER_VCC_NET")) { + is_input = true; + } else if (t->name == ctx->id("$PACKER_GND_NET")) { + is_output = true; + } + const char *iodir = is_input ? "INPUT" : (is_output ? "OUTPUT" : "BIDIR"); + write_bit(stringf("BASE_TYPE.%s_%s", iodir, str_or_default(cell->attrs, id_IO_TYPE, "LVCMOS18H").c_str())); + pop(3); + } void operator()() { // Write routing @@ -221,6 +238,8 @@ struct NexusFasmWriter write_ff(ci); else if (ci->type == id_SEIO33_CORE) write_io33(ci); + else if (ci->type == id_SEIO18_CORE) + write_io18(ci); blank(); } } |