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ecp5: Add support for mapping 36-bit wide PDP BRAMs

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Signed-off-by: David Shah <dave@ds0.me>
This commit is contained in:
David Shah 2019-10-01 13:46:36 +01:00
parent d963e8c2c6
commit 7a1538cd36
6 changed files with 183 additions and 1 deletions
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23
techlibs/ecp5/bram.txt
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@ -1,3 +1,18 @@
bram $__ECP5_PDPW16KD
init 1
abits 9
dbits 36
groups 2
ports 1 1
wrmode 1 0
enable 4 1
transp 0 0
clocks 2 3
clkpol 2 3
endbram
bram $__ECP5_DP16KD
init 1
@ -22,6 +37,14 @@ bram $__ECP5_DP16KD
clkpol 2 3
endbram
match $__ECP5_PDPW16KD
min bits 2048
min efficiency 5
shuffle_enable B
make_transp
or_next_if_better
endmatch
match $__ECP5_DP16KD
min bits 2048
min efficiency 5