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ice40: PLLs can't conflict with themselves

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Fixes error building testcase from #145

Signed-off-by: David Shah <dave@ds0.me>
This commit is contained in:
David Shah 2019-02-09 19:27:52 +00:00
parent a520b38424
commit 054be887ae
1 changed files with 2 additions and 0 deletions
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2
ice40/pack.cc
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@ -770,6 +770,8 @@ static void place_plls(Context *ctx)
io_cell->name.c_str(ctx));
if (pll_used_bels.count(found_bel)) {
CellInfo *conflict_cell = pll_used_bels.at(found_bel);
if (conflict_cell == ci)
continue;
log_error("PLL '%s' PACKAGEPIN forces it to BEL %s but BEL is already assigned to PLL '%s'\n",
ci->name.c_str(ctx), ctx->getBelName(found_bel).c_str(ctx), conflict_cell->name.c_str(ctx));
}