diff options
| author | David Shah <dave@ds0.me> | 2020-01-20 15:20:00 +0000 |
|---|---|---|
| committer | David Shah <dave@ds0.me> | 2020-11-30 08:45:27 +0000 |
| commit | 887d7c717b957a16e068d082a04d5da58d3eda84 (patch) | |
| tree | 1a3ad39bd4282e33bf955b9e34ddc1963c37ca6d /nexus/pins.cc | |
| parent | 46010f33ad1ffa1d1b7f6ec053fcb9c3596e514a (diff) | |
| download | nextpnr-887d7c717b957a16e068d082a04d5da58d3eda84.tar.gz nextpnr-887d7c717b957a16e068d082a04d5da58d3eda84.tar.bz2 nextpnr-887d7c717b957a16e068d082a04d5da58d3eda84.zip | |
nexus: Adding pin definitions
Signed-off-by: David Shah <dave@ds0.me>
Diffstat (limited to 'nexus/pins.cc')
| -rw-r--r-- | nexus/pins.cc | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/nexus/pins.cc b/nexus/pins.cc new file mode 100644 index 00000000..5627f557 --- /dev/null +++ b/nexus/pins.cc @@ -0,0 +1,53 @@ +/* + * nextpnr -- Next Generation Place and Route + * + * Copyright (C) 2020 David Shah <dave@ds0.me> + * + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + */ + +#include "nextpnr.h" + +NEXTPNR_NAMESPACE_BEGIN + +void Arch::get_invertible_pins(std::unordered_map<IdString, std::unordered_set<IdString>> &pins) const +{ + pins[id_OXIDE_FF] = {id_CLK, id_LSR, id_CE}; + pins[id_RAMW] = {id_WCK}; + pins[id_SEIO18_CORE] = {id_T}; + pins[id_SEIO33_CORE] = {id_T}; +} + +void Arch::get_pins_floating_value(std::unordered_map<IdString, std::unordered_map<IdString, bool>> &pins) const +{ + pins[id_OXIDE_COMB] = {{id_A, true}, {id_B, true}, {id_C, true}, {id_D, true}, {id_SEL, true}}; + pins[id_OXIDE_FF] = {{id_CLK, false}, {id_LSR, true}, {id_CE, true}}; + pins[id_SEIO18_CORE] = {{id_T, true}}; + pins[id_SEIO33_CORE] = {{id_T, true}}; +} + +void Arch::get_pins_default_value( + std::unordered_map<IdString, std::unordered_map<IdString, Property::State>> &pins) const +{ + pins[id_OXIDE_COMB] = {{id_A, Property::S1}, {id_B, Property::S1}, {id_C, Property::S1}, + {id_D, Property::S1}, {id_SEL, Property::S1}, {id_WAD0, Property::Sx}, + {id_WAD1, Property::Sx}, {id_WAD2, Property::Sx}, {id_WAD3, Property::Sx}, + {id_WCK, Property::Sx}, {id_WRE, Property::Sx}, {id_WD, Property::Sx}}; + pins[id_OXIDE_FF] = {{id_CE, Property::S1}, {id_DI, Property::Sx}}; + pins[id_SEIO18_CORE] = {{id_T, Property::S1}}; + pins[id_SEIO33_CORE] = {{id_T, Property::S1}}; +} + +NEXTPNR_NAMESPACE_END
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