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authorN. Engelhardt <nak@symbioticeda.com>2020-01-03 12:28:48 +0100
committerN. Engelhardt <nak@symbioticeda.com>2020-01-03 12:28:48 +0100
commit341fd872b59e8f95aa14afd9f17225d2c03a4283 (patch)
tree21802e73ca767d124971d43d3f78d9f4cf7d62e2 /techlibs/xilinx/xc7_xcu_brams.txt
parentc8bc1793a4e8230c29fca4a34862414e8ab8722b (diff)
parentf8d5920a7e61f78873b7bf49dd7e8f3a83f7adf3 (diff)
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Merge branch 'master' of https://github.com/YosysHQ/yosys into abc_scratchpad_script
Diffstat (limited to 'techlibs/xilinx/xc7_xcu_brams.txt')
-rw-r--r--techlibs/xilinx/xc7_xcu_brams.txt54
1 files changed, 49 insertions, 5 deletions
diff --git a/techlibs/xilinx/xc7_xcu_brams.txt b/techlibs/xilinx/xc7_xcu_brams.txt
index f1161114e..c63218ae1 100644
--- a/techlibs/xilinx/xc7_xcu_brams.txt
+++ b/techlibs/xilinx/xc7_xcu_brams.txt
@@ -1,4 +1,3 @@
-
bram $__XILINX_RAMB36_SDP
init 1
abits 9
@@ -72,34 +71,79 @@ bram $__XILINX_RAMB18_TDP
clkpol 2 3
endbram
+# The "min bits" value were taken from:
+# [[CITE]] 7 Series FPGAs Memory Resources User Guide (UG473),
+# v1.14 ed., p 29-30, July, 2019.
+# https://www.xilinx.com/support/documentation/user_guides/ug473_7Series_Memory_Resources.pdf
+
match $__XILINX_RAMB36_SDP
- min bits 4096
+ 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
- min bits 4096
+ attribute !ram_style
+ attribute !logic_block
+ min bits 1024
min efficiency 5
shuffle_enable B
make_transp
or_next_if_better
endmatch
+match $__XILINX_RAMB18_SDP
+ attribute ram_style=block ram_block
+ attribute !logic_block
+ shuffle_enable B
+ make_transp
+ or_next_if_better
+endmatch
+
match $__XILINX_RAMB36_TDP
- min bits 4096
+ 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_TDP
+ attribute ram_style=block ram_block
+ attribute !logic_block
+ shuffle_enable B
+ make_transp
+ or_next_if_better
+endmatch
+
match $__XILINX_RAMB18_TDP
- min bits 4096
+ attribute !ram_style
+ attribute !logic_block
+ min bits 1024
min efficiency 5
shuffle_enable B
make_transp
+ or_next_if_better
+endmatch
+
+match $__XILINX_RAMB18_TDP
+ attribute ram_style=block ram_block
+ attribute !logic_block
+ shuffle_enable B
+ make_transp
endmatch