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| author | David Shah <dave@ds0.me> | 2018-11-04 15:11:01 +0000 |
|---|---|---|
| committer | David Shah <dave@ds0.me> | 2018-11-12 14:03:58 +0000 |
| commit | 11579a1046640a21b79aa6a1f579d3464267d0a1 (patch) | |
| tree | ecab9cf70afbda1b5a50f2d61bbcdcc76cd49f02 /ecp5/arch.cc | |
| parent | dab70466cdce724611904e066197feef564f3eea (diff) | |
| download | nextpnr-11579a1046640a21b79aa6a1f579d3464267d0a1.tar.gz nextpnr-11579a1046640a21b79aa6a1f579d3464267d0a1.tar.bz2 nextpnr-11579a1046640a21b79aa6a1f579d3464267d0a1.zip | |
ecp5: EBR clocking fix
Signed-off-by: David Shah <dave@ds0.me>
Diffstat (limited to 'ecp5/arch.cc')
| -rw-r--r-- | ecp5/arch.cc | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/ecp5/arch.cc b/ecp5/arch.cc index a7bebd61..e035c0f4 100644 --- a/ecp5/arch.cc +++ b/ecp5/arch.cc @@ -683,15 +683,18 @@ TimingClockingInfo Arch::getPortClockingInfo(const CellInfo *cell, IdString port info.clockToQ.delay = 395; } } else if (cell->type == id_DP16KD) { - for (auto c : boost::adaptors::reverse(port.str(this))) { + std::string port_name = port.str(this); + for (auto c : boost::adaptors::reverse(port_name)) { if (std::isdigit(c)) continue; - if (c == 'A') + if (c == 'A') { info.clock_port = id_CLKA; - else if (c == 'B') + break; + } else if (c == 'B') { info.clock_port = id_CLKB; - else - NPNR_ASSERT_FALSE_STR("bad ram port"); + break; + } else + NPNR_ASSERT_FALSE_STR("bad ram port " + port.str(this)); } info.edge = (str_or_default(cell->params, info.clock_port == id_CLKB ? id("CLKBMUX") : id("CLKAMUX"), "CLK") == "INV") |