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authorClifford Wolf <clifford@clifford.at>2015-04-24 00:06:50 +0200
committerClifford Wolf <clifford@clifford.at>2015-04-24 00:06:50 +0200
commitd6f7698f591aa1957e263e13b66d0d808cf5a478 (patch)
treefd9e91d00c95ffb5eb6c0cd1797acd151721b724 /techlibs/ice40/brams.txt
parent11f77205f571cf4afb2ef3ba298444c2596cd81d (diff)
Added ice40 bram support
Diffstat (limited to 'techlibs/ice40/brams.txt')
-rw-r--r--techlibs/ice40/brams.txt40
1 files changed, 40 insertions, 0 deletions
diff --git a/techlibs/ice40/brams.txt b/techlibs/ice40/brams.txt
new file mode 100644
index 00000000..5d23ad16
--- /dev/null
+++ b/techlibs/ice40/brams.txt
@@ -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