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ice40: after review

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This commit is contained in:
Sergiusz Bazanski 2018-07-25 11:57:10 +01:00
parent db4f2d2318
commit 2c34a50a7c
2 changed files with 3 additions and 3 deletions
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2
ice40/arch.h
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@ -749,7 +749,7 @@ struct Arch : BaseCtx
return src_bel;
}
}
NPNR_ASSERT(0);
NPNR_ASSERT_FALSE("Expected PLL pin to share an output with an SB_IO D_IN_{0,1}");
}
};

4
ice40/arch_place.cc
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@ -124,10 +124,10 @@ bool Arch::isValidBelForCell(CellInfo *cell, BelId bel) const
}
// Is there a PLL that shares this IO buffer?
if (pll_bel.index != -1) {
auto pll_cell = getBoundBelCell(pll_bel);
// Is a PLL placed in this PLL bel?
if (!checkBelAvail(pll_bel)) {
if (pll_cell != IdString()) {
// Is the shared port driving a net?
auto pll_cell = getBoundBelCell(pll_bel);
auto pi = cells.at(pll_cell)->ports[portPinToId(pll_bel_pin)];
if (pi.net != nullptr) {
// Are we perhaps a PAD INPUT Bel that can be placed here?