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ice40/bitstream: Handle IoCtrl.IE_ polarity when configuring unused SB_IO

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Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
This commit is contained in:
Sylvain Munaut 2018-11-16 22:53:53 +01:00
parent 1851ebb1c6
commit 42fbb110fc
1 changed files with 7 additions and 2 deletions
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9
ice40/bitstream.cc
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@ -671,8 +671,13 @@ void write_asc(const Context *ctx, std::ostream &out)
if (lvds0cell != nullptr && lvds0cell->ioInfo.lvds) if (lvds0cell != nullptr && lvds0cell->ioInfo.lvds)
continue; continue;
} }
set_ie_bit_logical(ctx, ti, config.at(iey).at(iex), "IoCtrl.IE_" + std::to_string(iez), true); if (ctx->args.type == ArchArgs::LP1K || ctx->args.type == ArchArgs::HX1K) {
set_ie_bit_logical(ctx, ti, config.at(iey).at(iex), "IoCtrl.REN_" + std::to_string(iez), false); set_config(ti, config.at(iey).at(iex), "IoCtrl.IE_" + std::to_string(iez), true);
set_config(ti, config.at(iey).at(iex), "IoCtrl.REN_" + std::to_string(iez), false);
} else {
set_config(ti, config.at(iey).at(iex), "IoCtrl.IE_" + std::to_string(iez), false);
set_config(ti, config.at(iey).at(iex), "IoCtrl.REN_" + std::to_string(iez), false);
}
} }
} else if (ctx->bel_to_cell[bel.index] == nullptr && ctx->getBelType(bel) == id_ICESTORM_RAM) { } else if (ctx->bel_to_cell[bel.index] == nullptr && ctx->getBelType(bel) == id_ICESTORM_RAM) {
const BelInfoPOD &beli = ci.bel_data[bel.index]; const BelInfoPOD &beli = ci.bel_data[bel.index];