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Towards Xilinx bram support

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This commit is contained in:
Clifford Wolf 2015-01-04 14:23:30 +01:00
parent daae35319b
commit 8898897f7b
4 changed files with 187 additions and 17 deletions
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128
techlibs/xilinx/brams.txt
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@ -1,20 +1,122 @@
# This is a very simplified description of the capabilities of
# the Xilinx RAMB36 core. But it is a start..
#
bram XILINX_RAMB36_SDP32
init 1
abits 10
dbits 32
bram $__XILINX_RAMB36_SDP72
abits 9
dbits 72
groups 2
ports 1 1
wrmode 1 0
enable 4 0
transp 0 2
clocks 1 2
wrmode 0 1
enable 0 8
transp 2 0
clocks 2 3
clkpol 2 3
endbram
match XILINX_RAMB36_SDP32
min bits 1024
bram $__XILINX_RAMB36_SDP36
abits 10
dbits 36
groups 2
ports 1 1
wrmode 0 1
enable 0 4
transp 2 0
clocks 2 3
clkpol 2 3
endbram
bram $__XILINX_RAMB36_SDP18
abits 11
dbits 18
groups 2
ports 1 1
wrmode 0 1
enable 0 2
transp 2 0
clocks 2 3
clkpol 2 3
endbram
bram $__XILINX_RAMB36_SDP9
abits 12
dbits 9
groups 2
ports 1 1
wrmode 0 1
enable 0 1
transp 2 0
clocks 2 3
clkpol 2 3
endbram
bram $__XILINX_RAMB36_SDP4
abits 13
dbits 4
groups 2
ports 1 1
wrmode 0 1
enable 0 1
transp 2 0
clocks 2 3
clkpol 2 3
endbram
bram $__XILINX_RAMB36_SDP2
abits 14
dbits 2
groups 2
ports 1 1
wrmode 0 1
enable 0 1
transp 2 0
clocks 2 3
clkpol 2 3
endbram
bram $__XILINX_RAMB36_SDP1
abits 15
dbits 1
groups 2
ports 1 1
wrmode 0 1
enable 0 1
transp 2 0
clocks 2 3
clkpol 2 3
endbram
match $__XILINX_RAMB36_SDP72
shuffle_enable 8
min efficiency 20
# or_next_if_better
endmatch
# match $__XILINX_RAMB36_SDP36
# shuffle_enable 4
# min efficiency 20
# or_next_if_better
# endmatch
#
# match $__XILINX_RAMB36_SDP18
# shuffle_enable 2
# min efficiency 20
# or_next_if_better
# endmatch
#
# match $__XILINX_RAMB36_SDP9
# min efficiency 20
# or_next_if_better
# endmatch
#
# match $__XILINX_RAMB36_SDP4
# min efficiency 20
# or_next_if_better
# endmatch
#
# match $__XILINX_RAMB36_SDP2
# min efficiency 20
# or_next_if_better
# endmatch
#
# match $__XILINX_RAMB36_SDP1
# min efficiency 20
# endmatch