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Add unconditional match blocks for force RAM

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This commit is contained in:
Eddie Hung 2019-12-16 13:31:15 -08:00
parent 6b384861e4
commit 5a00d5578c
2 changed files with 47 additions and 6 deletions
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44
techlibs/xilinx/xc7_xcu_brams.txt
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@ -77,7 +77,25 @@ endbram
# https://www.xilinx.com/support/documentation/user_guides/ug473_7Series_Memory_Resources.pdf
match $__XILINX_RAMB36_SDP
attribute !ram_style ram_style=block ram_block
attribute !ram_style
attribute !logic_block
min bits 1024
min efficiency 5
shuffle_enable B
make_transp
or_next_if_better
endmatch
match $__XILINX_RAMB36_SDP
attribute ram_style=block ram_block
attribute !logic_block
shuffle_enable B
make_transp
or_next_if_better
endmatch
match $__XILINX_RAMB18_SDP
attribute !ram_style
attribute !logic_block
min bits 1024
min efficiency 5
@ -87,7 +105,15 @@ match $__XILINX_RAMB36_SDP
endmatch
match $__XILINX_RAMB18_SDP
attribute !ram_style ram_style=block ram_block
attribute ram_style=block ram_block
attribute !logic_block
shuffle_enable B
make_transp
or_next_if_better
endmatch
match $__XILINX_RAMB36_TDP
attribute !ram_style
attribute !logic_block
min bits 1024
min efficiency 5
@ -97,7 +123,15 @@ match $__XILINX_RAMB18_SDP
endmatch
match $__XILINX_RAMB36_TDP
attribute !ram_style ram_style=block ram_block
attribute ram_style=block ram_block
attribute !logic_block
shuffle_enable B
make_transp
or_next_if_better
endmatch
match $__XILINX_RAMB18_TDP
attribute !ram_style
attribute !logic_block
min bits 1024
min efficiency 5
@ -107,10 +141,8 @@ match $__XILINX_RAMB36_TDP
endmatch
match $__XILINX_RAMB18_TDP
attribute !ram_style ram_style=block ram_block
attribute ram_style=block ram_block
attribute !logic_block
min bits 1024
min efficiency 5
shuffle_enable B
make_transp
endmatch