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Added ice40 bram support

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This commit is contained in:
Clifford Wolf 2015-04-24 00:06:50 +02:00
parent 11f77205f5
commit d6f7698f59
4 changed files with 192 additions and 1 deletions
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40
techlibs/ice40/brams.txt Normal file
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@ -0,0 +1,40 @@
bram $__ICE40_RAM4K_M0
init 0
abits 8
dbits 16
groups 2
ports 1 1
wrmode 0 1
enable 0 16
transp 0 0
clocks 2 3
clkpol 2 3
endbram
bram $__ICE40_RAM4K_M123
init 0
abits 9 @M1
dbits 8 @M1
abits 10 @M2
dbits 4 @M2
abits 11 @M3
dbits 2 @M3
groups 2
ports 1 1
wrmode 0 1
enable 0 1
transp 0 0
clocks 2 3
clkpol 2 3
endbram
match $__ICE40_RAM4K_M0
min efficiency 10
make_transp
or_next_if_better
endmatch
match $__ICE40_RAM4K_M123
min efficiency 10
make_transp
endmatch