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Add a workaround for DCI for now 

Signed-off-by: gatecat <gatecat@ds0.me>
This commit is contained in:
gatecat 2026-02-21 19:49:45 +01:00
parent fc1f50937c
commit 1f4d3fdc91
1 changed files with 10 additions and 0 deletions
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10
himbaechel/uarch/xilinx/fasm.cc
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@ -742,6 +742,8 @@ struct FasmBackend
dict<int, BankIoConfig> ioconfig_by_hclk;
bool warned_dci = false;
void write_io_config(CellInfo *pad)
{
NetInfo *pad_net = pad->getPort(id_PAD);
@ -760,6 +762,13 @@ struct FasmBackend
std::string tile = uarch->tile_name(pad->bel.tile);
push(tile);
if (boost::ends_with(iostandard, "_T_DCI")) {
if (!warned_dci)
log_warning("DCI is not supported, will be removed.\n");
warned_dci = true;
iostandard.erase(iostandard.size() - 6, iostandard.size());
}
bool is_riob18 = boost::starts_with(tile, "RIOB18_");
bool is_sing = boost::contains(tile, "_SING_");
bool is_top_sing = pad->bel.tile < uarch->hclk_for_iob(pad->bel);
@ -780,6 +789,7 @@ struct FasmBackend
iostandard.erase(0, 5);
bool is_sstl = iostandard == "SSTL12" || iostandard == "SSTL135" || iostandard == "SSTL15";
int hclk = uarch->hclk_for_iob(pad->bel);
if (only_diff)