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nexus: Use memory_libmap pass.

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This commit is contained in:
Marcelina Kościelnicka 2022-02-08 03:52:50 +01:00
parent a04b025abf
commit 0a8eaca322
11 changed files with 661 additions and 501 deletions
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38
techlibs/nexus/lutrams.txt
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@ -1,26 +1,12 @@
bram $__NEXUS_DPR16X4
init 1
abits 4
dbits 4
groups 2
ports 1 1
wrmode 0 1
enable 0 1
transp 0 0
clocks 0 1
clkpol 0 2
endbram
# The syn_* attributes are described in:
# https://www.latticesemi.com/-/media/LatticeSemi/Documents/Tutorials/AK/LatticeDiamondTutorial311.ashx
attr_icase 1
match $__NEXUS_DPR16X4
attribute !syn_ramstyle syn_ramstyle=auto syn_ramstyle=distributed
attribute !syn_romstyle syn_romstyle=auto
attribute !ram_block
attribute !rom_block
attribute !logic_block
make_outreg
min wports 1
endmatch
ram distributed $__NEXUS_DPR16X4_ {
abits 4;
width 4;
cost 4;
init no_undef;
prune_rom;
port sw "W" {
clock posedge;
}
port ar "R" {
}
}