diff options
Diffstat (limited to 'ice40/arch.cc')
| -rw-r--r-- | ice40/arch.cc | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/ice40/arch.cc b/ice40/arch.cc index 7baaef8d..ba02ff9f 100644 --- a/ice40/arch.cc +++ b/ice40/arch.cc @@ -21,7 +21,7 @@ #include <cmath> #include "log.h" #include "nextpnr.h" - +#include "util.h" NEXTPNR_NAMESPACE_BEGIN // ----------------------------------------------------------------------- @@ -414,26 +414,39 @@ std::vector<GraphicElement> Arch::getPipGraphics(PipId pip) const std::vector<GraphicElement> ret; // FIXME return ret; -} +}; // ----------------------------------------------------------------------- bool Arch::getCellDelay(const CellInfo *cell, IdString fromPort, IdString toPort, delay_t &delay) const { - // TODO + if (cell->type == id("ICESTORM_LC")) { + if (fromPort == id("I0") || fromPort == id("I1") || + fromPort == id("I2") || fromPort == id("I3")) { + if (toPort == id("O") || toPort == id("LO")) { + delay = 450; + return true; + } + } + } return false; } IdString Arch::getPortClock(const CellInfo *cell, IdString port) const { - // TODO + if (cell->type == id("ICESTORM_LC") && + bool_or_default(cell->params, id("DFF_ENABLE"))) { + if (port != id("LO") && port != id("CIN") && port != id("COUT")) + return id("CLK"); + } return IdString(); } bool Arch::isClockPort(const CellInfo *cell, IdString port) const { - // TODO + if (cell->type == id("ICESTORM_LC") && port == id("CLK")) + return true; return false; } |